WO2024199054A1 - 通信方法以及相关装置 - Google Patents
通信方法以及相关装置 Download PDFInfo
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- WO2024199054A1 WO2024199054A1 PCT/CN2024/082814 CN2024082814W WO2024199054A1 WO 2024199054 A1 WO2024199054 A1 WO 2024199054A1 CN 2024082814 W CN2024082814 W CN 2024082814W WO 2024199054 A1 WO2024199054 A1 WO 2024199054A1
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- network element
- terminal device
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- tag
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/186—Processing of subscriber group data
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/08—User group management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
Definitions
- the present application relates to the field of communication technology, and in particular to a communication method and related devices.
- Passive IoT (P-IoT) system refers to an IoT system that includes passive network nodes.
- the passive network node is a network node that is not equipped with or does not rely on power equipment and can complete data perception, data transmission and distributed computing based on solar energy, radio frequency, wind energy, water energy or tidal energy obtained from the environment.
- the P-IoT system may include tags, terminal devices, and network devices.
- the tag is a passive network node in the P-IoT system
- the terminal device is used to provide carrier excitation for the tag
- the network device is used to interact with the tag.
- the tag can reflect the carrier emitted by the terminal device to interact with the network device, thereby completing the corresponding tag operation (such as inventory operation, read and write operation, or deactivation operation, etc.). Therefore, how to instruct the terminal device to trigger the corresponding carrier excitation is an urgent problem to be solved.
- the embodiments of the present application provide a communication method and related apparatus, which can effectively instruct a terminal device to trigger a corresponding carrier excitation.
- an embodiment of the present application provides a communication method, the method comprising: an access network (Radio Access Network, RAN) device determines a plurality of terminal device groups capable of stimulating a P-IoT tag, and respectively determines first information for the plurality of terminal device groups, and respectively sends corresponding first information to the plurality of terminal device groups, wherein the first information is used to indicate that the terminal device in the corresponding terminal device group triggers a corresponding carrier excitation; the carrier excitation is used to stimulate the P-IoT tag.
- an access network Radio Access Network, RAN
- RAN Radio Access Network
- the communication method may be applied to a RAN device, or to a chip in the RAN device, or to a logic module or software that can implement all or part of the functions of the RAN device.
- the RAN device of the embodiment of the present application can determine multiple terminal device groups that have the ability to stimulate P-IoT tags, and instruct the terminal devices in the corresponding terminal device group to trigger the corresponding carrier excitation through the first information, which can effectively instruct the terminal device to trigger the corresponding carrier excitation.
- the RAN device indicates different first information for different terminal device groups, different first information is used to instruct the terminal devices in different terminal device groups to use different carriers to stimulate the P-IoT tags, and the RAN device can efficiently allocate communication resources.
- the use of multiple carriers can effectively reduce the possibility of tag transmission conflicts (for example, multiple tags are reported simultaneously in a time unit, and the use of multiple carriers allows the RAN device to correctly demodulate and identify the information of different tags), thereby effectively improving the efficiency of tag access when communication resources are limited, that is, the capacity of tags can be effectively improved when communication resources are limited.
- the RAN device determines a plurality of terminal device groups capable of stimulating a P-IoT tag, including: the RAN device receives a first request message from an access and mobility management function (AMF) network element, the first request message is used to request the RAN device to trigger the tag for random access, and the first request message includes grouping information of a plurality of terminal device groups capable of stimulating a P-IoT tag.
- the grouping information includes one or more terminal device identifiers and/or corresponding group numbers.
- the terminal device identifier is used to identify a terminal device capable of stimulating a P-IoT tag, and the group number is used to indicate a terminal device group corresponding to the terminal device.
- the terminal device identifier may include one or more of a permanent identifier (such as Subscription Permanent Identifier, SUPI; Permanent Equipment Identifier, PEI, etc.) of the terminal, a temporary identifier (such as SUPI; 5G-GUTI, etc.), an internal identifier, or an external identifier (such as Internet Protocol, IP address).
- a permanent identifier such as Subscription Permanent Identifier, SUPI; Permanent Equipment Identifier, PEI, etc.
- a temporary identifier such as SUPI; 5G-GUTI, etc.
- an internal identifier such as Internet Protocol, IP address
- the RAN device determines a plurality of terminal device groups capable of stimulating the P-IoT tag, including: the RAN device receives a first request message from the AMF network element, and classifies the terminal devices in the terminal device list based on the air interface connection state. Group, to obtain multiple terminal device groups.
- the first request message is used to request the RAN device to trigger the tag for random access, and the first request message includes a list of terminal devices capable of stimulating the P-IoT tag, and the terminal device list includes one or more terminal device identifiers.
- the air interface connection status of terminal devices in the same group in multiple terminal device groups is the same. It can be seen that in this embodiment, the first request message received by the RAN device includes a terminal device list, and the RAN device can group the terminal devices in the terminal device list based on the air interface connection status to obtain multiple terminal device groups.
- the method before the RAN device receives the first request message from the AMF network element, the method also includes: the tag management function (TMF) network element receives a second request message from the application function (AF) network element, the second request message being used to request an operation on the tags in the first area; the TMF network element determines a list of terminal devices or multiple terminal device groups capable of stimulating P-IoT tags in the first area, and sends a third request message to the AMF network element, the third request message being used to request an operation on the tags in the first area; the third request message includes a list of terminal devices or multiple terminal device groups capable of stimulating P-IoT tags in the first area; when the AMF network element receives the third request message, it may send a first request message to the RAN device, the first request message including a list of terminal devices or multiple terminal device groups.
- TMF tag management function
- AF application function
- the third request message includes the list of terminal devices, and the first request message also includes the list of terminal devices; optionally, when the TMF network element determines multiple terminal device groups capable of stimulating P-IoT tags in the first area, the third request message includes grouping information of the multiple terminal device groups, and the first request message also includes grouping information of the multiple terminal device groups.
- the TMF network element in the communication method may also be a chip in the TMF network element, or a logic module or software that can implement all or part of the TMF network element, or an AMF network element that can implement all or part of the TMF network element.
- the TMF network element may be another AMF network element with P-IoT interaction capability.
- the AMF network element in the communication method may also be a chip in the AMF network element, or a logic module or software that can implement all or part of the AMF network element.
- the TMF network element can send the terminal device list or the grouping information of multiple terminal device groups to the RAN device through the AMF network element, which is beneficial for the RAN device to process the terminal device list or the grouping information of multiple terminal device groups and determine multiple terminal device groups.
- the method before the RAN device receives the first request message from the AMF network element, the method further includes: the RAN device receives second information of the terminal device connected to the RAN device, the second information including the P-IoT capability information of the terminal device; the P-IoT capability information is used to indicate that the terminal device has the ability to stimulate the P-IoT tag; the RAN device selects an AMF network element with P-IoT interaction capability, and sends third information to the AMF network element, the third information including the P-IoT capability information of the terminal device connected to the RAN device. It can be seen that in this implementation, when the RAN device receives the P-IoT capability information reported by the terminal device, the P-IoT capability information of the terminal device can be sent to the AMF network element with P-IoT interaction capability.
- the method further includes: the RAN device sends the fourth information to the multiple terminal device groups respectively, and the fourth information is used to instruct the terminal devices in the corresponding terminal device group to turn off the corresponding carrier excitation. It can be seen that in this implementation, the RAN device can instruct the terminal devices in the terminal device group to turn off the corresponding carrier excitation through the fourth information, so as to avoid the terminal devices continuing to send the carrier for stimulating the P-IoT tag when the tag operation is completed, thereby effectively saving resources.
- an embodiment of the present application provides another communication method, which includes: a TMF network element receives a second request message from an AF network element, the second request message being used to request an operation on a tag within a first area; the TMF network element determines a plurality of terminal device groups within the first area that have the capability of stimulating a P-IoT tag, and sends a third request message to an AMF network element, the third request message being used to request an operation on a tag within the first area; the third request message includes grouping information of a plurality of terminal device groups within the first area that have the capability of stimulating a P-IoT tag; the grouping information is used to determine corresponding carrier excitation.
- the method may be applied to a TMF network element, a chip in a TMF network element, or a logic module or software that can implement all or part of the functions of a TMF network element.
- the TMF network element can determine multiple terminal device groups and generate grouping information of multiple terminal device groups.
- the TMF network element sends the grouping information of multiple terminal device groups to the RAN device through the AMF network element, it is beneficial for the RAN device to determine multiple terminal device groups according to the grouping information, and determine the corresponding first information for the multiple terminal device groups respectively, so that when the RAN device sends the corresponding first information to the multiple terminal device groups respectively, it can effectively instruct the terminal device to trigger the corresponding carrier excitation.
- the TMF network element determines multiple terminal device groups in the first area that have the ability to stimulate P-IoT tags, including: the TMF network element determines a list of terminal devices in the first area that have the ability to stimulate P-IoT tags; and based on location information and/or service type, grouping the terminal devices in the terminal device list to obtain multiple terminal device groups.
- the distance between terminal devices in the same group of multiple terminal device groups is greater than or equal to a preset threshold, and/or the multiple terminal devices
- the total excitation range of the terminal devices in the same group covers the first area.
- the service types of terminal devices in the same group of multiple terminal device groups are the same.
- the TMF network element determines a list of terminal devices capable of stimulating P-IoT tags in the first area, including: the TMF network element selects an AMF network element that has P-IoT interaction capability and covers the first area, and sends a fourth request message to the AMF network element, the fourth request message is used to request a list of terminal devices capable of stimulating P-IoT tags in the first area; the TMF network element receives fifth information from the AMF network element, the fifth information includes a list of terminal devices capable of stimulating P-IoT tags in the first area.
- the TMF network element can directly obtain a list of terminal devices capable of stimulating P-IoT tags in the first area from the AMF network element that has P-IoT interaction capability and covers the first area. Therefore, when the TMF network element sends the list of terminal devices to the RAN device, it is beneficial for the RAN device to identify terminal devices capable of stimulating P-IoT tags.
- the fourth request message is a subscription request message, which is used to subscribe to a list of terminal devices capable of stimulating P-IoT tags in the first area.
- the step of the TMF network element receiving the fifth information from the AMF network element is performed when the AMF network element receives the subscription request message, or when the AMF network element has received the subscription request message and the subscribed terminal device list is updated.
- the TMF network element determines a list of terminal devices in the first area that have the ability to stimulate a P-IoT tag, including: the TMF network element selects an AMF network element that has the P-IoT interaction capability and covers the first area, and sends a fifth request message to the AMF network element, where the fifth request message is used to request a list of terminal devices in the first area; the TMF network element receives sixth information from the AMF network element, where the sixth information includes a list of terminal devices in the first area, and sends a sixth request message to a unified data management (UDM) network element, where the sixth request message includes a list of terminal devices in the first area; the sixth request message is used to request P-IoT capability information of terminal devices in the first area; the TMF network element receives seventh information from the UDM network element, and determines a list of terminal devices in the first area that have the ability to stimulate a P-IoT tag based on the seventh information, where the seventh information includes P-Io
- the TMF network element obtains the terminal device list in the first area from the AMF network element, and obtains the P-IoT capability information of each terminal device in the terminal device list from the UDM network element, and determines the terminal device list capable of stimulating the P-IoT tag in the first area according to the P-IoT capability information. Therefore, when the TMF network element sends the terminal device list to the RAN device, it is beneficial for the RAN device to identify the terminal device capable of stimulating the P-IoT tag.
- an embodiment of the present application provides another communication method, which includes: a TMF network element receives a second request message from an AF network element, and the second request message is used to request an operation on a tag within a first area; the TMF network element determines a list of terminal devices within the first area that have the ability to stimulate P-IoT tags, and sends a third request message to an AMF network element, and the third request message is used to request an operation on a tag within the first area; the third request message includes a list of terminal devices within the first area that have the ability to stimulate P-IoT tags; the terminal device list includes one or more terminal device identifiers, and the terminal device identified by the terminal device identifier is used to stimulate the P-IoT tag.
- the method may be applied to a TMF network element, a chip in a TMF network element, or a logic module or software that can implement all or part of the functions of a TMF network element.
- the TMF network element can determine the terminal device list.
- the TMF network element sends the terminal device list to the RAN device through the AMF network element, it is beneficial for the RAN device to group the terminal devices in the terminal device list based on the air interface connection state to obtain multiple terminal device groups, and determine the corresponding first information for the multiple terminal device groups, so that when the RAN device sends the corresponding first information to the multiple terminal device groups, it can effectively instruct the terminal device to trigger the corresponding carrier excitation.
- the TMF network element determines a list of terminal devices capable of stimulating P-IoT tags in the first area, including: the TMF network element selects an AMF network element that has P-IoT interaction capability and covers the first area, and sends a fourth request message to the AMF network element, the fourth request message is used to request a list of terminal devices capable of stimulating P-IoT tags in the first area; the TMF network element receives fifth information from the AMF network element, the fifth information includes a list of terminal devices capable of stimulating P-IoT tags in the first area.
- the TMF network element can directly obtain a list of terminal devices capable of stimulating P-IoT tags in the first area from the AMF network element that has P-IoT interaction capability and covers the first area. Therefore, when the TMF network element sends the list of terminal devices to the RAN device, it is beneficial for the RAN device to identify terminal devices capable of stimulating P-IoT tags.
- the TMF network element determines a list of terminal devices in the first area that have the ability to stimulate P-IoT tags, including: the TMF network element selects an AMF network element that has P-IoT interaction capabilities and covers the first area, and sends a fifth request message to the AMF network element, the fifth request message is used to request a list of terminal devices in the first area; the TMF network element receives sixth information from the AMF network element, the sixth information includes a list of terminal devices in the first area, and sends a sixth request message to the UDM network element, the sixth request message includes a list of terminal devices in the first area; the sixth request message is used to request P-IoT capability information of terminal devices in the first area; the TMF network element receives seventh information from the UDM network element, and determines a list of terminal devices in the first area that have the ability to stimulate P-IoT tags based on the seventh information, the seventh information includes P-IoT capability information of terminal devices in the first area.
- the TMF network element can obtain a list of terminal devices in the first area from the AMF network element, and obtain P-IoT capability information of each terminal device in the terminal device list from the UDM network element.
- the TMF network element receives the information of the terminal device and determines the terminal device list capable of stimulating the P-IoT tag in the first area according to the P-IoT capability information. Therefore, when the TMF network element sends the terminal device list to the RAN device, it is helpful for the RAN device to identify the terminal device capable of stimulating the P-IoT tag.
- an embodiment of the present application provides another communication method, which includes: a terminal device receives first information from an accessed RAN device, and triggers corresponding carrier excitation based on the first information; the first information is used to instruct a terminal device in a corresponding terminal device group to trigger corresponding carrier excitation; the carrier excitation is used to excite a P-IoT tag.
- the method may be applied to a terminal device, or to a chip in the terminal device, or to a logic module or software of the terminal device that can implement all or part of the functions.
- the terminal device when the terminal device receives the first information of the corresponding terminal device group, the terminal device can use the carrier of the corresponding terminal device group to trigger the corresponding carrier excitation.
- the terminal devices in the same group use the same carrier to excite the P-IoT tag, which can effectively save resources and improve resource utilization.
- the method further includes: the terminal device sends second information to the connected RAN device, the second information including P-IoT capability information of the terminal device; the P-IoT capability information is used to indicate that the terminal device has the ability to stimulate the P-IoT tag.
- the second information may be AN information.
- the terminal device sends the second information to the accessed RAN device via an AN message, the AN message includes a NAS registration request message and AN information, the AN information includes the P-IoT capability information of the terminal device, and the NAS registration request message is used to request access to the RAN device.
- the terminal device can report its own P-IoT capability information to the connected RAN device through the registration process.
- the method further includes: the terminal device receives fourth information from the connected RAN device, and turns off the corresponding carrier excitation according to the second information; the fourth information is used to instruct the terminal device in the corresponding terminal device group to turn off the corresponding carrier excitation. It can be seen that when the terminal device receives the fourth information, the corresponding carrier excitation can be turned off in time to avoid the terminal device continuing to send the carrier used to excite the P-IoT tag when the tag operation is completed, effectively saving resources.
- the present application also provides a communication device.
- the communication device has the function of implementing some or all of the implementation methods described in the first aspect above, or has the function of implementing some or all of the functional implementation methods described in the second aspect above, or has the function of implementing some or all of the functional implementation methods described in the third aspect above.
- the functions can be implemented by hardware, or by hardware executing corresponding software implementations.
- the hardware or software includes one or more units or modules corresponding to the above functions.
- the structure of the communication device may include a processing unit and a communication unit, and the processing unit is configured to support the communication device to perform the corresponding functions in the above method.
- the processing unit can be used to control the communication unit to send and receive data/signaling.
- the communication unit is used to support communication between the communication device and other communication devices.
- the communication device may also include a storage unit, which is used to couple with the processing unit and the communication unit, and store the necessary program instructions and data of the communication device.
- a processing unit is used to determine multiple terminal device groups capable of stimulating a P-IoT tag; the processing unit is also used to determine first information for each of the multiple terminal device groups, the first information being used to instruct the terminal devices in the corresponding terminal device group to trigger corresponding carrier excitation; the carrier excitation is used to stimulate the P-IoT tag; and the communication unit is used to send corresponding first information to each of the multiple terminal device groups.
- the communication unit is used to receive a second request message from the AF network element, and the second request message is used to request an operation on the tags in the first area;
- the processing unit is used to determine multiple terminal device groups in the first area that have the ability to stimulate the P-IoT tags;
- the communication unit is also used to send a third request message to the AMF network element, and the third request message is used to request an operation on the tags in the first area;
- the third request message includes grouping information of multiple terminal device groups in the first area that have the ability to stimulate the P-IoT tags; the grouping information is used to determine the corresponding carrier excitation.
- the communication unit is used to receive a second request message from the AF network element, and the second request message is used to request an operation on the tags in the first area;
- the processing unit is used to determine a list of terminal devices in the first area that have the ability to stimulate the P-IoT tags;
- the communication unit is also used to send a third request message to the AMF network element, and the third request message is used to request an operation on the tags in the first area;
- the third request message includes a list of terminal devices in the first area that have the ability to stimulate the P-IoT tags;
- the terminal device list includes one or more terminal device identifiers, and the terminal device identified by the terminal device identifier is used to stimulate the P-IoT tag.
- the communication unit may be a transceiver or a communication interface
- the storage unit may be a memory
- the processing unit may be a processor.
- the processor may be used to execute the method described in the first aspect, the second aspect, or the third aspect through a logic circuit or running a computer program
- the transceiver may be used to send and receive signals
- the memory may be used to store the computer program.
- the processor is used to determine a plurality of terminal device groups capable of stimulating a P-IoT tag; the processor is also used to The first information is determined for each of the multiple terminal device groups, where the first information is used to instruct the terminal devices in the corresponding terminal device group to trigger the corresponding carrier excitation; the carrier excitation is used to excite the P-IoT tag; and the transceiver is used to send the corresponding first information to each of the multiple terminal device groups.
- the transceiver is used to receive a second request message from the AF network element, and the second request message is used to request an operation on the tags in the first area;
- the processor is used to determine multiple terminal device groups in the first area that have the ability to stimulate the P-IoT tags;
- the transceiver is also used to send a third request message to the AMF network element, and the third request message is used to request an operation on the tags in the first area;
- the third request message includes grouping information of multiple terminal device groups in the first area that have the ability to stimulate the P-IoT tags; the grouping information is used to determine the corresponding carrier excitation.
- the transceiver is used to receive a second request message from the AF network element, where the second request message is used to request an operation on the tags within the first area; the processor is used to determine a list of terminal devices in the first area that have the ability to stimulate the P-IoT tags; the transceiver is also used to send a third request message to the AMF network element, where the third request message is used to request an operation on the tags within the first area; the third request message includes a list of terminal devices in the first area that have the ability to stimulate the P-IoT tags; the terminal device list includes one or more terminal device identifiers, and the terminal device identified by the terminal device identifier is used to stimulate the P-IoT tag.
- the communication device is a chip or a chip system.
- the processing unit may also be embodied as a processing circuit or a logic circuit; the transceiver unit may be an input/output interface, an interface circuit, an output circuit, an input circuit, a pin or a related circuit on the chip or the chip system.
- the processor can be used to perform, for example, but not limited to, baseband-related processing
- the transceiver can be used to perform, for example, but not limited to, radio frequency transceiver.
- the above-mentioned devices can be respectively arranged on chips independent of each other, or at least partially or completely arranged on the same chip.
- the processor can be further divided into an analog baseband processor and a digital baseband processor.
- the analog baseband processor can be integrated with the transceiver on the same chip, and the digital baseband processor can be arranged on an independent chip. With the continuous development of integrated circuit technology, more and more devices can be integrated on the same chip.
- a digital baseband processor can be integrated with a variety of application processors (such as but not limited to a graphics processor, a multimedia processor, etc.) on the same chip.
- application processors such as but not limited to a graphics processor, a multimedia processor, etc.
- SoC system on a chip
- the embodiment of the present application does not limit the implementation form of the above-mentioned devices.
- the present application also provides another communication device.
- the communication device has the function of implementing some or all of the embodiments described in the fourth aspect above.
- the functions can be implemented by hardware, or by hardware executing corresponding software.
- the hardware or software includes one or more units or modules corresponding to the above functions.
- the structure of the communication device may include a processing unit and a communication unit, and the processing unit is configured to support the communication device to perform the corresponding functions in the above method.
- the processing unit can be used to control the communication unit to send and receive data/signaling.
- the communication unit is used to support communication between the communication device and other communication devices.
- the communication device may also include a storage unit, which is used to couple with the processing unit and the communication unit, and stores necessary program instructions and data for the communication device.
- a communication unit is used to receive first information from an accessed RAN device; the first information is used to instruct a terminal device in a corresponding terminal device group to trigger a corresponding carrier excitation; the carrier excitation is used to excite a P-IoT tag; and a processing unit is used to trigger the corresponding carrier excitation according to the first information.
- the communication unit may be a transceiver or a communication interface
- the storage unit may be a memory
- the processing unit may be a processor.
- the processor may be used to execute the method described in the fourth aspect above through a logic circuit or running a computer program
- the transceiver may be used to send and receive signals
- the memory may be used to store the computer program.
- a transceiver is used to receive first information from an accessed RAN device; the first information is used to instruct a terminal device in a corresponding terminal device group to trigger a corresponding carrier excitation; the carrier excitation is used to excite a P-IoT tag; and a processor is used to trigger the corresponding carrier excitation according to the first information.
- the communication device is a chip or a chip system.
- the processing unit may also be embodied as a processing circuit or a logic circuit; the transceiver unit may be an input/output interface, an interface circuit, an output circuit, an input circuit, a pin or a related circuit on the chip or the chip system.
- the processor can be used to perform, for example but not limited to, baseband related processing
- the transceiver can be used to perform, for example but not limited to, radio frequency transceiver.
- the above devices can be respectively arranged on independent chips, or at least partially or completely arranged on the same chip.
- the processor can be further divided into an analog baseband processor and a digital baseband processor.
- the analog baseband processor can be integrated with the transceiver on the same chip, and the digital baseband processor can be set on an independent chip. With the continuous development of integrated circuit technology, more and more devices can be integrated on the same chip.
- a digital baseband processor can be integrated with a variety of application processors (such as but not limited to a graphics processor, a multimedia processor, etc.) on the same chip.
- application processors such as but not limited to a graphics processor, a multimedia processor, etc.
- SoC system on a chip
- the embodiments of the present application do not limit the implementation form of the above-mentioned devices.
- the present application also provides a processor for executing the above-mentioned various methods.
- the process of sending the above-mentioned signal and receiving the above-mentioned signal in the above-mentioned method can be understood as the process of the processor outputting the above-mentioned signal and the process of the processor inputting the above-mentioned signal.
- the processor When outputting the above-mentioned signal, the processor outputs the above-mentioned signal to the transceiver so that it can be transmitted by the transceiver. After being output by the processor, the above-mentioned signal may also need to be processed in other ways before it reaches the transceiver.
- the transceiver receives the above-mentioned signal and inputs it into the processor. Furthermore, after the transceiver receives the above-mentioned signal, the above-mentioned signal may need to be processed in other ways before it is input into the processor.
- the processor may be a processor specifically used to execute these methods, or a processor that executes computer instructions in a memory to execute these methods, such as a general-purpose processor.
- the memory may be a non-transitory memory, such as a read-only memory (ROM), which may be integrated with the processor on the same chip or may be separately arranged on different chips.
- ROM read-only memory
- the present application provides a computer-readable storage medium for storing instructions, and when the instructions are executed by a computer, the method described in any one of the first aspect, the second aspect, the third aspect or the fourth aspect is executed.
- the present application also provides a computer program product comprising instructions, which, when executed on a computer, enables the method described in any one of the first, second, third or fourth aspects above to be executed.
- the present application provides a chip system, which includes a processor and an interface, wherein the interface is used to obtain a program or instruction, and the processor is used to call the program or instruction to implement the function involved in the first aspect, or to call the program or instruction to implement the function involved in the second aspect, or to call the program or instruction to implement the function involved in the third aspect, or to call the program or instruction to implement the function involved in the fourth aspect.
- the chip system also includes a memory, which is used to store program instructions and data necessary for the terminal.
- the chip system can be composed of chips, or it can include chips and other discrete devices.
- FIG1 is a schematic diagram of the architecture of a communication system provided in an embodiment of the present application.
- FIG2 is a schematic diagram of a random access process provided by an embodiment of the present application.
- FIG3 is a flow chart of a communication method provided in an embodiment of the present application.
- FIG4 is a schematic diagram of a grouping method provided in an embodiment of the present application.
- FIG5 is a flow chart of another communication method provided in an embodiment of the present application.
- FIG6 is a flow chart of another communication method provided in an embodiment of the present application.
- FIG7 is a flow chart of another communication method provided in an embodiment of the present application.
- FIG8 is a flow chart of another communication method provided in an embodiment of the present application.
- FIG9 is a flow chart of another communication method provided in an embodiment of the present application.
- FIG10 is a schematic diagram of the structure of a communication device provided in an embodiment of the present application.
- FIG. 11 is a schematic diagram of the structure of another communication device provided in an embodiment of the present application.
- the embodiments of the present application can be applied to a long term evolution (LTE) system, and can also be applied to a new radio (New Radio, NR) system, and with the continuous development of communication technology, the technical solution of the embodiment of the present application can also be applied to subsequently evolved communication systems, such as the sixth-generation (6G) mobile communication technology system, the seventh-generation (7G) mobile communication technology system, and the like.
- LTE long term evolution
- NR new Radio
- the network architecture is the network architecture of a P-IoT system.
- the P-IoT system may include but is not limited to: Radio Frequency Identification (RFID), passive Internet of Things technology, semi-active Internet of Things technology and other systems.
- RFID Radio Frequency Identification
- passive Internet of Things technology passive Internet of Things technology
- semi-active Internet of Things technology other systems.
- the method of the embodiment of the present application can be applied to the communication system shown in Figure 1.
- the network architecture includes a tag, a terminal device and a network device, and the network device may include a (radio) access network (RAN) device, an access and mobility management function (AMF) network element, a tag management function (TMF) network element, a network exposure function (NEF) network element, an application function (AF) network element, a location management function (LMF) network element and a unified data management (UDM) network element.
- RAN radio access network
- AMF access and mobility management function
- TMF tag management function
- NEF network exposure function
- AF application function
- LMF location management function
- UDM unified data management
- the AMF network element communicates with the RAN device through the N2 interface
- the RAN device communicates with the terminal device through the Uu interface
- the terminal device provides carrier excitation to the tag
- the tag reflects the carrier and communicates with the RAN device through the Uu ⁇ P-IoT interface.
- the AF network element, NEF network element, LMF network element, UDM network element and AMF network element can use the service interface provided to the outside to achieve communication.
- the service interface provided by the AF network element to the outside is the Naf interface
- the service interface provided by the NEF network element to the outside is the Nnef interface
- the service interface provided by the LMF network element to the outside is the Nlmf interface
- the service interface provided by the UDM network element to the outside is the Nudm interface
- the service interface provided by the AMF network element to the outside is the Namf interface.
- the tag is a passive network node in the P-IoT system, which can reflect the carrier excitation emitted by the terminal device and communicate with the RAN device by means of the energy obtained by the induced current. It should be noted that in other embodiments, the tag can also store part of the electrical energy by means of solar energy, etc., and communicate with the RAN device by means of the stored energy, which is not described in detail in the present application.
- the terminal device is a device with wireless transceiver functions, and the terminal device may also be referred to as user equipment (UE), terminal, access terminal device, vehicle-mounted terminal, industrial control terminal, user unit, user station, mobile station, mobile station (MS), remote station, remote terminal device, mobile terminal (MT), mobile device, wireless communication device, user terminal, user agent or user device, etc.
- the terminal device may be deployed on land, including indoors or outdoors, handheld, wearable or vehicle-mounted; it may also be deployed on the water (such as ships, etc.); it may also be deployed in the air (such as airplanes, balloons, etc.).
- the terminal device can be a mobile phone, a tablet computer, a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal in industrial control, a vehicle-mounted terminal device, a wireless terminal in self-driving, a wireless terminal in remote medical, a wireless terminal in smart grid, a wireless terminal in transportation safety, a wireless terminal in a smart city, a wireless terminal in a smart home, a wearable terminal device, etc., and this application does not impose any restrictions.
- VR virtual reality
- AR augmented reality
- the RAN device is mainly responsible for the terminal device to access the 3rd Generation Partnership Project (3GPP) network through wireless communication.
- RAN devices include but are not limited to: evolved node B (eNB), radio network controller (RNC), node B (NB), base station controller (BSC), base transceiver station (BTS), home network equipment (e.g., home evolved Node B, or home Node B, HNB), baseband unit (BBU), access point (AP) in wireless fidelity (WIFI) system, wireless relay node, wireless backhaul node, transmission point (TP)
- the base station may be a base station (or a transmission point, or ...
- the AMF network element is used to manage the signaling processing part, such as access control, mobility management, attachment and detachment, and gateway selection.
- the AMF network element provides services for the session of the terminal device, it will provide the storage resources of the control plane for the session, as well as store the session identifier, the session management function (SMF) network element identifier associated with the session identifier, etc.
- SMF session management function
- the TMF network element is mainly responsible for the tag management service of the P-IoT system.
- the NEF network element can be used to provide the capability opening of the 5G core network, allowing external network elements to communicate with the 5G core through the network element.
- the NEF network element is used to manage the secure interaction between the 3GPP network and third-party applications. NEF can safely expose network capabilities and events to third parties to enhance or improve the quality of application services.
- the 3GPP network can also securely obtain relevant data from third parties to enhance the network's intelligent decision-making.
- the network element supports the recovery of structured data from a unified database or the storage of structured data in a unified database.
- the AF network element is used to provide support for interaction with the 3GPP core network to provide services, such as influencing data routing decisions, policy control functions, or providing some third-party services to the network side.
- the AF network element of the present application can also be a server, an application server (AS) or a passive Internet of Things application function (P-IoT AF) network element, etc.
- the LMF network element is used to provide location information management services.
- the UDM network element is used to store structured data, and the stored content includes contract data and policy data, externally exposed structured data, and application-related data.
- the network elements in the core network can be co-located.
- the AMF network element can be co-located with the TMF network element.
- the interaction between the two network elements provided in the embodiment of the present application becomes the internal operation of the co-located network element or can be omitted.
- Tag operation refers to the operation performed on the tag.
- the tag operation includes but is not limited to one or more of an inventory operation (also known as an inventory operation), a read operation, a positioning operation, a write operation, or an inactivation operation.
- the inventory operation refers to taking inventory of the existing tags, which can also be understood as obtaining the tag's identifier.
- Each tag will have its corresponding identifier.
- the tag's identifier can be assigned by the enterprise (that is, written into the tag when the enterprise prints the label), or it can be assigned by the operator.
- the tag's identifier can be a globally unique code "Electronic Product Code" (EPC), or it can be a temporary identifier or an identifier that is not globally unique.
- EPC Electronic Product Code
- the network device can generate an inventory instruction and perform an inventory on the tag according to the inventory instruction.
- the read operation refers to reading the data stored in the tag.
- the data can be sensor data, and the read operation is used to read the sensor data stored in the tag.
- the tag can have a storage function, and its storage area is used to store data. If the network device wants to perform a read operation on the tag, it will generate a read instruction, and perform a read operation on the tag according to the read instruction to read data from the tag storage area.
- the positioning operation refers to the operation of obtaining the location information of the tag.
- the network device can generate a positioning instruction, and perform a positioning operation on the tag according to the positioning instruction to obtain the location information of the tag.
- the write operation refers to writing data to the tag.
- the network device can generate a write instruction, and perform a write operation on the tag according to the write instruction to write data to the storage area of the tag.
- the deactivation operation can make the tag invalid or inactivated.
- the network device can send a deactivation instruction, and the deactivation instruction can include a tag identifier (that is, the identifier of the tag that you want to deactivate or invalidate).
- the network device performs an invalidation operation on the tag according to the instruction. After the operation is completed, the tag will be invalidated or inactivated, and it shall no longer be counted or subjected to other operations.
- the random access process refers to the process of randomly accessing the reader/writer before the tag performs a tag operation. Please refer to Figure 2, which shows a schematic diagram of a random access process. As shown in Figure 2, the random access process includes but is not limited to steps s201-s204:
- the reader broadcasts a selection message, which is used to indicate the range of selected tags.
- the selection message may indicate the tag range through one or more of a tag identifier (such as EPC), a network identifier (such as PLMN ID), or a user identifier (such as AF identifier).
- a tag identifier such as EPC
- a network identifier such as PLMN ID
- a user identifier such as AF identifier
- the reader broadcasts a query message, which is used to query the random number of the tag.
- the tag sends the corresponding random number to the reader in a competitive manner.
- the reader receives the random number from the tag.
- the tag determines whether it belongs to the tag range indicated by the selection message. If so, the tag feeds back the corresponding random number to the reader through a competitive manner; if not, the tag does not execute steps s203 and s204.
- the present application does not limit the length of the random number, for example, the random number can be 16 bits.
- the reader sends a response message, which includes the random number of the tag.
- the tag can access the reader through steps s201 to s204.
- the reader can be a terminal device or a RAN device.
- the embodiment of the present application takes the RAN device as an example, that is, before the tag performs the tag operation, the tag can access the RAN device through the random access process described in Figure 2.
- the P-IoT capability information of the terminal device is used to indicate that the terminal device has the ability to stimulate the P-IoT tag.
- Terminal devices that have the ability to stimulate the P-IoT tag may share carrier resources with ordinary terminal devices, and the carrier resources used to stimulate the P-IoT tag can no longer be used to transmit other cellular services. Due to power consumption considerations, ordinary terminal devices cannot be used to stimulate the P-IoT tag. Therefore, it is necessary to determine the terminal device that has the ability to stimulate the P-IoT tag based on the P-IoT capability information of the terminal device.
- the P-IoT capability information of the terminal device may also include two types, which are respectively used to indicate that the terminal device has or does not have the ability to stimulate the P-IoT tag.
- the embodiment of the present application provides a communication method, which can group terminal devices capable of stimulating P-IoT tags to obtain multiple terminal device groups, and send corresponding first information to the multiple terminal device groups, respectively, wherein the first information is used to instruct the terminal devices in the corresponding terminal device group to trigger the corresponding carrier excitation; the carrier excitation is used to stimulate the P-IoT tag.
- the RAN device can effectively instruct the terminal device to trigger the corresponding carrier excitation and efficiently allocate communication resources.
- the RAN device indicates different carriers for different terminal device groups, the use of multiple carriers can effectively reduce the possibility of tag transmission conflicts, thereby effectively improving the access efficiency of the tag when communication resources are limited. In other words, the capacity of the tag can be effectively improved when communication resources are limited.
- the TMF network element in the communication method can determine multiple terminal device groups in the first area that have the ability to stimulate P-IoT tags.
- the TMF network element sends the grouping information of multiple terminal device groups to the RAN device through the AMF network element, it is beneficial for the RAN device to determine the corresponding carrier excitation according to the grouping information, thereby performing efficient communication resource allocation.
- the communication method includes but is not limited to the following steps:
- the AF network element sends a second request message to the TMF network element.
- the TMF network element receives the second request message from the AF network element.
- the second request message is used to request an operation on a label in a first area.
- the second request message includes an AF identifier, which may be an external identifier of an enterprise (such as an IP address, port number, etc. of the enterprise) or an identifier of an AF network element.
- an AF identifier may be an external identifier of an enterprise (such as an IP address, port number, etc. of the enterprise) or an identifier of an AF network element.
- the second request message may include location information, for example, one or more of base station information, cell information, coordinate information, or longitude and latitude information, and the location information may indicate the first area.
- the second request message may include a service type.
- the service type of the embodiment of the present application may include an inventory service, a read service (such as a sensor service), a positioning service, a write service, or an inactivation service.
- the service types here correspond to different label operations (for example, the inventory service corresponds to the inventory operation).
- the read service, the positioning service, the write service, or the inactivation service please refer to the corresponding label operation in the previous text, which will not be repeated; for another example, the service type of the embodiment of the present application may also include a data-not-out-of-park service or a data-out-of-park service; for another example, the service type of the embodiment of the present application may also include a delay-sensitive service or a delay-insensitive service, which is not limited in the present application.
- the second request message is used to request operations to be performed on tags in the first area, including but not limited to: one or more of an inventory operation, a read operation, a positioning operation, a write operation or a deactivation operation.
- the AF network element sends the second request message to the TMF network element, including: the AF network element sends the second request message to the TMF network element via the NEF network element, and correspondingly, the TMF network element receives the second request message from the AF network element via the NEF network element. It can be seen that the TMF network element can interact securely with the AF network element with the help of the NEF network element, effectively enhancing or improving the quality of application services.
- the TMF network element determines a list of terminal devices in the first area that are capable of stimulating the P-IoT tag.
- the terminal device list includes one or more terminal device identifiers.
- the terminal device identifier is used to identify the terminal device in the first area that has the ability to stimulate the P-IoT tag.
- the terminal device identifier may include one or more of the permanent identifier (such as SUPI, PEI, etc.), temporary identifier (such as SUPI, 5G-GUTI, etc.), internal identifier, or external identifier (such as IP address) of the terminal device.
- the permanent identifier of the terminal device is used to permanently identify the terminal device, and the permanent identifier of the terminal device will not change.
- the temporary identifier of the terminal device is used to identify the terminal device temporarily or for a period of time.
- the temporary identifier of the terminal device may change, and the temporary identifier of the terminal device may be temporarily generated for the terminal device.
- the internal identifier of the terminal device can be used to identify the terminal device in the 3GPP network.
- the external identifier of the terminal device can be used to identify the terminal device in a network outside the 3GPP network.
- the TMF network element sends the seventh request message to the LMF network element.
- the LMF network element receives the seventh request message from the TMF network element.
- the seventh request message includes a terminal device list and an LCS association identifier corresponding to each terminal device in the terminal device list.
- the LCS association identifier corresponding to each terminal device can be obtained by the TMF network element from the AMF network element.
- S304 The LMF network element executes the positioning process to obtain the location information of the terminal device.
- the LMF network element can perform a positioning process on each terminal device in the terminal list based on the LCS association identifier to obtain location information.
- the LMF network element sends the eighth information to the TMF network element.
- the TMF network element receives the eighth information from the LMF network element.
- the eighth information includes the location information of each terminal device in the terminal device list.
- the TMF network element groups the terminal devices in the terminal device list based on the location information and/or the service type to obtain a plurality of terminal device groups.
- the service types of the terminal devices in the same group in the multiple terminal device groups are the same.
- the multiple terminal device groups may include a terminal device group for inventory service, a terminal device group for read service, a terminal device group for write service, or a terminal device group for deactivation service.
- the current service type refers to the service type included in the second request message.
- the service type included in the second request message is inventory service
- it is possible to effectively avoid terminal device groups of other service types from occupying the carrier resources of the terminal device group for the inventory service effectively improve the execution efficiency of the inventory service, and quickly complete the inventory.
- the multiple terminal device groups include a terminal device group for data not leaving the park service and a terminal device group for data leaving the park service.
- the current service type refers to the service type included in the second request message.
- the service type included in the second request message is data leaving the park service
- the multiple terminal device groups may include a terminal device group for delay-sensitive services and a terminal device group for delay-insensitive services.
- the terminal device group for delay-sensitive services and the terminal device group for delay-insensitive services correspond to different carriers, and the number of terminal device groups for delay-sensitive services is greater than the number of terminal device groups for delay-insensitive services, the number of carriers for delay-sensitive services is greater than the number of carriers for delay-insensitive services, so that the tags used to execute delay-sensitive services can use more carriers for communication, which can effectively reduce the delay caused by random access conflicts and ensure the quality requirements of delay-sensitive services.
- terminal devices whose adjacent distances are less than a preset threshold are located in different groups (it can also be said that the distance between terminal devices in the same group in multiple terminal device groups is greater than or equal to the preset threshold), and/or, the total excitation range of terminal devices in the same group in multiple terminal device groups covers the first area.
- the total excitation range of terminal devices in the same group refers to the union of the excitation ranges of terminal devices in the same group.
- the excitation range of a terminal device refers to a circular area with the terminal device as the center and the excitation distance as the radius.
- the preset threshold can be pre-configured or obtained from a request message from the enterprise (such as obtained from the second request message).
- the relevant embodiments of obtaining multiple terminal device groups by grouping the terminal devices in the terminal device list based on the location information in step S306 are described in detail in conjunction with FIG4.
- the first area is represented by a dotted frame
- the terminal devices in the first terminal device group are represented by a black terminal device graphic
- the terminal devices in the second terminal device group are represented by a gray terminal device graphic
- the excitation range of the terminal device is represented by a circle (the excitation range of the terminal device in the first terminal device group is represented by a black circle
- the excitation range of the terminal device in the second terminal device group is represented by a gray circle).
- the tag 410 can be simultaneously in the excitation range of the terminal device 401 and the excitation range of the terminal device 402.
- the tag 410 can use multiple carriers to communicate with the RAN device at the same time (that is, the tag 410 can use the first carrier corresponding to the first terminal device group and the second carrier corresponding to the second terminal device group at the same time).
- the use of multiple carriers can effectively reduce the possibility of transmission conflicts between the tag 410 and other tags, and improve the efficiency of tag access.
- the tag 410 reflects the random contention access process of the carrier of the terminal device 401 communicating with the RAN device, and the tag 410 reflects the random contention access process of the carrier of the terminal device 402 communicating with the RAN device, which belongs to the same random contention access process, and no additional gain is generated. Therefore, when the terminal devices whose adjacent distance is less than the preset threshold are divided into different groups, the efficiency of tag access can be effectively improved.
- the total excitation range of the terminal devices 401, 403 and 405 covers the first area
- the total excitation range of the terminal devices 402, 404 and 405 covers the first area
- the total excitation range of the terminal device 406 also covers the first area.
- the TMF network element groups the terminal devices in the terminal device list only based on the service type to obtain multiple terminal device groups, since the TMF network element does not need to group the terminal devices in the terminal device list based on the location information, there is no need to initiate a positioning request for the terminal device or obtain the location information about the terminal device, that is, the communication method does not need to execute steps S303 to S305.
- the TMF network element may also group each terminal device in the terminal device list based on location information and service type to obtain multiple terminal device groups. For example, the TMF network element first groups each terminal device in the terminal device list based on location information to obtain multiple intermediate terminal device groups, and then further groups each terminal device in the multiple intermediate terminal device groups based on service type to obtain multiple terminal device groups. For another example, the TMF network element first groups each terminal device in the terminal device list based on service type to obtain multiple intermediate terminal device groups, and then further groups each terminal device in the multiple intermediate terminal device groups based on location information to obtain multiple terminal device groups. No further details will be given.
- the TMF network element may also obtain a terminal device group by grouping the terminal devices in the terminal device list based on location information and/or service type, which will not be described in detail.
- the TMF network element sends a third request message to the AMF network element, and correspondingly, the AMF network element receives the third request message from the TMF network element.
- the third request message is used to request an operation on the tag in the first area.
- the third request message includes grouping information of multiple terminal device groups in the first area that have the ability to stimulate the P-IoT tag.
- the grouping information is used to determine the corresponding carrier excitation.
- the grouping information includes one or more terminal device identifiers and/or corresponding group numbers, and the group number is used to indicate the terminal device group corresponding to the terminal device.
- the group number can be represented by a number, for example: the group numbers of the three terminal device groups are 0, 1, and 2 respectively.
- the group number can be represented by a number and a symbol, for example: the group numbers of the three terminal device groups are 0-0, 0-1, and 1-0 respectively.
- the group number can also be represented by Chinese characters, for example: the group numbers of the three terminal device groups are A, B, and C respectively.
- the group number can also have more representation forms, which does not constitute a limitation here. It should be noted that the explanation of the terminal device identifier can be found in step S302 and will not be repeated here.
- the grouping information may include one or more terminal device identifiers and/or corresponding group numbers.
- the grouping information may include one or more terminal device identifiers.
- the third request message is used to request operations to be performed on tags in the first area, including but not limited to: one or more of an inventory operation, a read operation, a positioning operation, a write operation or a deactivation operation.
- tag operations requested by the second request message and the third request message described in the embodiment of the present application may be the same.
- the second request message and the third request message are both used to request an inventory operation on the tag.
- the AMF network element sends a first request message to the RAN device, and correspondingly, the RAN device receives the first request message from the AMF network element.
- the first request message includes grouping information of multiple terminal device groups, and the first request message is used to request the RAN device to trigger a tag for random access.
- the RAN device may trigger the tag to perform random access.
- random access please refer to FIG. 2 and will not be repeated here.
- the first request message includes the NGAP identifier corresponding to the terminal device identifier. Therefore, before the AMF network element executes step S308, the AMF network element also needs to perform: based on the correspondence between the terminal device identifier and the NGAP identifier, perform an identifier conversion on the terminal device identifier in the third request message to obtain the corresponding NGAP identifier. Among them, the NGAP identifier is used to indicate the transmission interface of the terminal device.
- the RAN device determines a plurality of terminal device groups capable of stimulating the P-IoT tag.
- the RAN device may determine multiple terminal device groups capable of stimulating the P-IoT tag based on the grouping information of the multiple terminal device groups included in the first request message.
- the RAN device determines first information for each of the plurality of terminal device groups, where the first information is used to instruct the terminal devices in the corresponding terminal device group to trigger corresponding carrier excitation; the carrier excitation is used to excite the P-IoT tag.
- the terminal devices in the same group among the multiple terminal device groups correspond to the same carrier, that is, the terminal devices in different groups among the multiple terminal device groups correspond to different carriers.
- multiple terminal device groups include a first terminal device group, a second terminal device group and a third terminal device group, and the first terminal device group corresponds to a first carrier, the second terminal device group corresponds to a second carrier, and the third terminal device group corresponds to a third carrier.
- the RAN device determines the first information corresponding to the first terminal device group, the first information corresponding to the second terminal device group, and the first information corresponding to the third terminal device group for the multiple terminal device groups.
- the first information for the first terminal device group is used to instruct the terminal devices in the first terminal device group to use the first carrier to stimulate the P-IoT tag
- the first information for the second terminal device group is used to instruct the second terminal device group to
- the inner terminal device uses the second carrier to excite the P-IoT tag
- the first information for the third terminal device group is used to instruct the terminal devices in the third terminal device group to excite the P-IoT tag using the third carrier.
- first carrier, the second carrier and the third carrier are different carriers. Different carriers include carriers with different numbers and/or carriers with different frequencies.
- the carriers to which the multiple terminal device groups respectively correspond may be indicated by the RAN device.
- the RAN device may indicate the carriers to which the multiple terminal device groups respectively correspond through the first information.
- the RAN device sends corresponding first information to multiple terminal device groups respectively, and correspondingly, the terminal device receives the first information of the connected RAN device.
- the RAN device may send the first information corresponding to each terminal device group to each terminal device group, and correspondingly, the terminal devices in each terminal device group receive the first information corresponding to the terminal device group.
- the RAN device may send the first information for the first terminal device group to the terminal device, and the terminal device may receive the first information for the first terminal device group, and the first information is used to instruct the terminal device to use the first carrier to stimulate the P-IoT tag.
- S312 The terminal device triggers corresponding carrier excitation according to the first information.
- the terminal device may use the first carrier to excite the P-IoT tag.
- S313 The tag randomly accesses the RAN device and performs tag operation.
- a tag when a tag receives a selection message broadcast by a RAN device, the tag can determine whether it belongs to the tag range indicated by the selection message broadcast by the RAN device. If so, it feeds back a corresponding random number to the RAN device through a competitive manner, thereby randomly accessing the RAN device.
- the tag operation refers to the operation requested by the second request message and/or the third request message. For example, when the second request message is used to request an inventory operation on tags in the first area, the tags randomly access the RAN device and perform the inventory operation.
- the frequency of the carrier in the uplink transmission direction may be different from the frequency of the carrier in the downlink transmission direction.
- the tag uses the FDD frequency band of the terminal device for uplink transmission
- the RAN device uses the FDD downlink frequency band for transmission.
- the RAN device sends the uplink label data to the AMF network element; when the AMF network element receives the uplink label data from the RAN device, it sends the uplink label data to the TMF network element; when the TMF network element receives the uplink label data from the AMF network element, it sends the uplink label data to the AF network element.
- the specific content of the uplink tag data is related to the tag operation. For example, when the tag operation is an inventory operation, the uplink tag data is the tag identification; for another example, when the tag operation is a read operation, the uplink tag data is the tag storage data.
- the RAN device sends corresponding fourth information to multiple terminal device groups respectively, and correspondingly, the terminal device receives the fourth information of the connected RAN device, wherein the fourth information is used to instruct the terminal devices in the corresponding terminal device group to turn off the corresponding carrier excitation.
- the RAN device may also send corresponding fourth information to multiple terminal device groups respectively, and correspondingly, the terminal device receives the fourth information of the connected RAN device.
- the fourth information is used to instruct the terminal devices in the corresponding terminal device group to turn off the corresponding carrier excitation.
- step S315 is performed when at least one of the following conditions is met: (1) the RAN device determines that the label operation is completed, (2) the RAN device receives indication information from a core network device (such as an AMF network element), and the indication information is used to instruct the RAN device to send corresponding fourth information to multiple terminal device groups respectively.
- a core network device such as an AMF network element
- the RAN device may determine that the tag operation has been completed according to the service process corresponding to the tag operation. For example, if the tag operation is an inventory operation, the RAN device may determine that the inventory operation has been completed when it receives a NAS message once. For another example, if the tag operation is a read operation, the RAN device may determine that the read operation has been completed when it receives three NAS messages.
- the terminal device turns off the corresponding carrier excitation according to the fourth information, which can also be understood as the terminal device can no longer use the carrier excitation P-IoT tag of the terminal device group corresponding to the terminal device.
- the RAN device can instruct the terminal devices in the terminal device group to turn off the corresponding carrier excitation through the fourth information, thereby avoiding the terminal devices continuing to send the carrier used to excite the P-IoT tag when the tag operation is completed, thereby effectively saving resources.
- the terminal devices can be deployed more flexibly, when the P-IoT tags are stimulated by the terminal devices, the communication distance of the passive tags can be effectively guaranteed, thereby effectively improving the stimulation distance.
- the carrier used to stimulate the P-IoT tags belongs to the authorized uplink FDD frequency band of the terminal device, the tag can reflect the authorized uplink FDD frequency band to communicate with the RAN device, and when the transmission power is increased, the communication distance can be further increased, thereby further improving the stimulation distance.
- the TMF network element of the embodiment of the present application can group the terminal devices capable of stimulating the P-IoT tag to obtain multiple terminal devices.
- Terminal device group When the TMF network element sends the grouping information of multiple terminal device groups to the RAN device through the AMF network element, the RAN device can directly determine multiple terminal device groups based on the grouping information. Since the RAN device can determine the corresponding first information for multiple terminal device groups respectively, and instruct the terminal devices in the corresponding terminal device group to trigger the corresponding carrier excitation through the first information, it can effectively instruct the terminal device to trigger the corresponding carrier excitation.
- the RAN device since the RAN device indicates different first information for different terminal device groups, different first information is used to instruct the terminal devices in different terminal device groups to use different carriers to stimulate the P-IoT tag, and the RAN device can efficiently allocate communication resources.
- the RAN device since the RAN device indicates different carriers for different terminal device groups, the use of multiple carriers can effectively reduce the possibility of tag sending conflicts, thereby effectively improving the efficiency of tag access when communication resources are limited. In other words, the capacity of the tag can be effectively improved when communication resources are limited.
- the communication method described in Figure 5 shows a flow chart of another communication method.
- the communication method described in Figure 5 describes that the terminal device reports P-IoT capability information to the connected RAN device during the registration process.
- the P-IoT capability information is used to indicate that the terminal device itself is a terminal device capable of stimulating P-IoT tags, so that the subsequent TMF network element determines a list of terminal devices capable of stimulating P-IoT tags in the first area, and groups the terminal devices in the terminal device list to obtain multiple terminal device groups, so that when the TMF network element sends the grouping information of multiple terminal device groups to the RAN device through the AMF network element, it is beneficial for the RAN device to perform efficient communication resource allocation according to the grouping information.
- the communication method may include but is not limited to the following steps:
- the terminal device sends second information to the connected RAN device, and correspondingly, the RAN device receives the second information, where the second information includes P-IoT capability information of the terminal device.
- the second information may be AN information.
- the terminal device sends the second information to the accessed RAN device via an AN message, the AN message includes a NAS registration request message and AN information, the AN information includes the P-IoT capability information of the terminal device, and the NAS registration request message is used to request access to the RAN device.
- the RAN device selects an AMF network element with P-IoT interaction capability.
- the RAN device when the RAN device receives the AN message, it can select an AMF network element with P-IoT interaction capability based on the parameters in the AN message.
- the RAN device sends the third information to the AMF network element, and correspondingly, the AMF network element receives the third information from the RAN device, wherein the third information includes the P-IoT capability information of the terminal device accessing the RAN device.
- the third information may be carried in an N2 message.
- the N2 message includes a NAS registration request message and third information
- the NAS registration request message is used to request access to a core network device
- the third information includes P-IoT capability information of the terminal device.
- step S501 to step S503 the terminal device can report the P-IoT capability information to the connected RAN device, so that the RAN device can send the P-IoT capability information of the terminal device to the AMF network element with P-IoT interaction capability.
- S504 trigger the authentication process and complete the registration process with the corresponding device network element.
- the registration process includes but is not limited to at least one of the following: two-way authentication, authorization or authorization. It should be noted that in the process of two-way authentication, authorization or authorization between the terminal device and the network device, the participation of the terminal device and the network device is required.
- the network device may include the following network elements: RAN device, AMF network element, AUSF network element and UDM network element, etc.
- the AF network element sends a second request message to the TMF network element.
- the TMF network element receives the second request message from the AF network element.
- the second request message is used to request an operation to be performed on the labels in the first area.
- step S301 in FIG. 3 please refer to step S301 in FIG. 3 , which will not be described in detail.
- the TMF network element selects an AMF network element that has P-IoT interaction capability and covers the first area.
- the AMF network element selected by the TMF network element in step S506 has the P-IoT interaction capability and covers the first area
- the AMF network element selected by the RAN device in step S502 has the P-IoT interaction capability.
- the AMF network element selected in step S506 may be the same as the AMF network element selected by the RAN device in step S502, or the AMF network element selected in step S506 is a subset of the AMF network element selected by the RAN device in step S502.
- the TMF network element sends a fourth request message to the AMF network element.
- the AMF network element receives a fourth request message from the TMF network element.
- the fourth request message is used to request a list of terminal devices in the first area that have the ability to stimulate the P-IoT tag.
- the fourth request message may include location information, for example, one or more of base station information, cell information, coordinate information, or longitude and latitude information, and the location information may indicate the first area.
- the AMF network element sends the fifth information to the TMF network element.
- the TMF network element receives the fifth information from the AMF network element.
- the fifth information includes a list of terminal devices in the first area that are capable of stimulating the P-IoT tag.
- step S302 of FIG. 3 For the relevant description of the terminal device list, please refer to step S302 of FIG. 3 , which will not be described in detail.
- the AMF network element needs to execute: according to the P-IoT capability information of each terminal device in the first area, Determine the terminal devices in the first area that have the ability to stimulate the P-IoT tag.
- the P-IoT capability information of each terminal device in the first area is determined by the third information in step S503.
- the AMF network element may send a prompt message to the TMF network element, where the prompt message is used to indicate that there is no terminal device list.
- the TMF network element may reselect the AMF or provide feedback to the AF network element to end the process.
- the TMF network element determines a list of terminal devices in the first area that are capable of stimulating the P-IoT tag according to the fifth information.
- step S509 in the communication method may not be performed and is not limited.
- the TMF network element sends the seventh request message to the LMF network element.
- the LMF network element receives the seventh request message from the TMF network element.
- the seventh request message includes a terminal device list and an LCS association identifier corresponding to each terminal device in the terminal device list.
- the LCS association identifier corresponding to each terminal device in the terminal device list can be sent by the AMF network element to the TMF network element through the fifth information, that is, the fifth information in step S508 also includes the LCS association identifier corresponding to each terminal device in the terminal device list.
- the LMF network element executes the positioning process to obtain the location information of the terminal device.
- the LMF network element sends the eighth information to the TMF network element.
- the TMF network element receives the eighth information from the LMF network element.
- the eighth information includes the location information of each terminal device in the terminal device list.
- the TMF network element groups the terminal devices in the terminal device list based on the location information and/or the service type to obtain a plurality of terminal device groups.
- the TMF network element sends a third request message to the AMF network element, and correspondingly, the AMF network element receives the third request message from the TMF network element.
- the third request message is used to request an operation on the tag in the first area.
- the third request message includes grouping information of multiple terminal device groups in the first area that have the ability to stimulate the P-IoT tag.
- the AMF network element sends a first request message to the RAN device.
- the first request message includes grouping information of multiple terminal device groups.
- the first request message is used to request the RAN device to trigger a tag for random access.
- the RAN device determines a plurality of terminal device groups capable of stimulating the P-IoT tag.
- the RAN device may determine multiple terminal device groups capable of stimulating the P-IoT tag based on the grouping information of the multiple terminal device groups included in the first request message.
- the RAN device determines first information for each of the plurality of terminal device groups, where the first information is used to instruct the terminal devices in the corresponding terminal device group to trigger corresponding carrier excitation; the carrier excitation is used to excite the P-IoT tag.
- the RAN device sends corresponding first information to the multiple terminal device groups respectively, and correspondingly, the terminal device receives the first information of the connected RAN device.
- S519 The terminal device triggers corresponding carrier excitation according to the first information.
- S520 The tag randomly accesses the RAN device and performs tag operation.
- the RAN device sends uplink label data to the AMF network element; when the AMF network element receives the uplink label data from the RAN device, it sends the uplink label data to the TMF network element; when the TMF network element receives the uplink label data from the AMF network element, it sends the uplink label data to the AF network element.
- the RAN device sends corresponding fourth information to multiple terminal device groups respectively, and correspondingly, the terminal device receives the fourth information of the connected RAN device, wherein the fourth information is used to instruct the terminal devices in the corresponding terminal device group to turn off the corresponding carrier excitation.
- S523 The terminal device turns off the corresponding carrier excitation according to the fourth information.
- steps S510 to S523 please refer to steps S303 to S316 in Figure 3, which will not be repeated here.
- the terminal device can report its own P-IoT capability information to the connected RAN device through the registration process.
- the RAN device receives the P-IoT capability information of the terminal device
- the P-IoT capability information of the terminal device can be sent to the AMF network element with P-IoT interaction capability, so that the AMF network element can determine the terminal devices with the ability to stimulate P-IoT tags in the first area according to the P-IoT capability information of the terminal device, and generate a corresponding terminal device list.
- the TMF network element When the AMF network element sends the terminal device list to the TMF network element through the fifth information, it is beneficial for the TMF network element to determine the terminal device list with the ability to stimulate P-IoT tags in the first area.
- the TMF network element sends the terminal device list to the RAN device, the RAN device can effectively identify the terminal devices with the ability to stimulate P-IoT tags.
- Figure 6 shows a flow chart of another communication method.
- the TMF network element determines the AMF network element with P-IoT interaction capability
- the TMF network element can obtain a list of terminal devices in the first area that have the ability to stimulate the P-IoT tag from the AMF network element by subscription.
- the communication method may include but is not limited to the following steps:
- the terminal device sends second information to the connected RAN device, and correspondingly, the RAN device receives the second information, where the second information includes P-IoT capability information of the terminal device.
- the RAN device selects an AMF network element with P-IoT interaction capability.
- the RAN device sends the third information to the AMF network element, and correspondingly, the AMF network element receives the third information from the RAN device, wherein the third information includes the P-IoT capability information of the terminal device accessing the RAN device.
- S604 trigger the authentication process and complete the registration process with the corresponding device network element.
- steps S601 to S604 please refer to steps S501 to S504 in Figure 5, which will not be repeated here.
- the AF network element sends a second request message to the TMF network element.
- the TMF network element receives the second request message from the AF network element.
- the second request message is used to request an operation on the label in the first area.
- step S301 in FIG. 3 please refer to step S301 in FIG. 3 , which will not be described in detail.
- the TMF network element selects an AMF network element that has P-IoT interaction capability and covers the first area.
- step S506 in FIG. 5 please refer to step S506 in FIG. 5 , which will not be described in detail.
- the TMF network element sends a fourth request message to the AMF network element.
- the AMF network element receives a fourth request message from the TMF network element, wherein the fourth request message is a subscription request message, and the subscription request message is used to subscribe to a list of terminal devices in the first area that have the ability to stimulate the P-IoT tag.
- the AMF network element sends the fifth information to the TMF network element.
- the TMF network element receives the fifth information from the AMF network element.
- the fifth information includes a list of terminal devices in the first area that are capable of stimulating the P-IoT tag.
- step S608 is executed when the AMF network element receives a subscription request message, or when the AMF network element has received a subscription request message and the subscribed terminal device list is updated.
- the TMF network element determines a list of terminal devices in the first area that are capable of stimulating the P-IoT tag according to the fifth information.
- the TMF network element has sent a subscription request message to the AMF network element corresponding to the first area.
- the TMF network element locally stores a list of terminal devices in the corresponding first area that have the ability to stimulate the P-IoT tag.
- the TMF network element does not need to send a subscription request message to the AMF network element again, that is, steps S606 to S609 can be omitted at this time.
- the TMF network element may also send a subscription request message to all AMFs with P-IoT interaction capabilities in advance to subscribe to a list of terminal devices in all areas that have the ability to stimulate P-IoT tags.
- the TMF network element receives the second request message, regardless of whether it is the first tag operation, the TMF network element does not need to send a subscription request message to the AMF network element to obtain a list of relevant terminal devices, which can effectively improve business efficiency.
- the AMF network element needs to detect changes in the P-IoT capability information of all terminal devices connected to the RAN device in real time, which increases the overhead of the AMF network element.
- the TMF network element sends the seventh request message to the LMF network element.
- the LMF network element receives the seventh request message from the TMF network element.
- the seventh request message includes a terminal device list and an LCS association identifier corresponding to each terminal device in the terminal device list.
- the LMF network element executes the positioning process to obtain the location information of the terminal device.
- the LMF network element sends the eighth information to the TMF network element.
- the TMF network element receives the eighth information from the LMF network element.
- the eighth information includes the location information of each terminal device in the terminal device list.
- the TMF network element groups the terminal devices in the terminal device list based on the location information and/or service type to obtain multiple terminal device groups.
- the TMF network element sends a third request message to the AMF network element, and correspondingly, the AMF network element receives the third request message from the TMF network element.
- the third request message is used to request an operation on the tag in the first area.
- the third request message includes grouping information of multiple terminal device groups in the first area that have the ability to stimulate the P-IoT tag.
- the AMF network element sends a first request message to the RAN device.
- the first request message includes grouping information of multiple terminal device groups.
- the first request message is used to request the RAN device to trigger a tag for random access.
- the RAN device determines a plurality of terminal device groups capable of stimulating the P-IoT tag.
- the RAN device determines multiple terminal device groups capable of stimulating the P-IoT tag based on the grouping information of the multiple terminal device groups included in the first request message.
- the RAN device determines first information for each of the plurality of terminal device groups, where the first information is used to instruct the terminal devices in the corresponding terminal device group to trigger corresponding carrier excitation; the carrier excitation is used to excite the P-IoT tag.
- the RAN device sends corresponding first information to multiple terminal device groups respectively, and correspondingly, the terminal device receives the first information of the connected RAN device.
- S619 The terminal device triggers corresponding carrier excitation according to the first information.
- S620 The tag randomly accesses the RAN device and performs tag operation.
- the RAN device sends uplink label data to the AMF network element; when the AMF network element receives the uplink label data from the RAN device, it sends the uplink label data to the TMF network element; when the TMF network element receives the uplink label data from the AMF network element, it sends the uplink label data to the AF network element.
- the RAN device sends corresponding fourth information to multiple terminal device groups respectively, and correspondingly, the terminal device receives the fourth information of the connected RAN device, wherein the fourth information is used to instruct the terminal devices in the corresponding terminal device group to turn off the corresponding carrier excitation.
- steps S610 to S623 please refer to steps S510 to S523 in Figure 5, which will not be repeated here.
- the TMF network element can obtain a list of terminal devices in the first area that have the ability to stimulate P-IoT tags from the AMF network element by subscription, thereby reducing the signaling interaction between the TMF network element and the AMF network element, and at the same time can effectively improve the operational efficiency when performing tag operations in the same area.
- Figure 7 shows a flow chart of another communication method.
- the communication method described in Figure 7 does not report the P-IoT capability information in the registration process, but includes the P-IoT capability information in the contract information of the terminal device.
- the TMF network element After the TMF network element obtains the list of terminal devices in the first area from the AMF network element, the TMF network element can obtain the P-IoT capability information of the terminal device from the contract information managed by the UDM network element to determine the list of terminal devices in the first area that have the ability to stimulate the P-IoT tag.
- the communication method may include but is not limited to the following steps:
- the AF network element sends a second request message to the TMF network element.
- the TMF network element receives the second request message from the AF network element.
- the second request message is used to request an operation on a label in a first area.
- step S301 in FIG. 3 please refer to step S301 in FIG. 3 , which will not be described in detail.
- the TMF network element selects an AMF network element that has P-IoT interaction capability and covers the first area.
- step S506 in FIG. 5 please refer to step S506 in FIG. 5 , which will not be described in detail.
- the TMF network element sends a fifth request message to the AMF network element.
- the AMF network element receives a fifth request message from the TMF network element.
- the fifth request message is used to request a list of terminal devices in the first area.
- the fifth request message may include location information, for example, one or more of base station information, cell information, coordinate information, or longitude and latitude information, and the location information may indicate the first area.
- the fifth request message may also be a subscription request message, which may be used to subscribe to a list of terminal devices in the first area.
- a subscription request message which may be used to subscribe to a list of terminal devices in the first area.
- the AMF network element sends the sixth information to the TMF network element.
- the TMF network element receives the sixth information from the AMF network element.
- the sixth information includes a list of terminal devices in the first area.
- the terminal device identifier included in the terminal device list in the sixth information is used to identify the terminal device in the first area.
- the TMF network element sends a sixth request message to the UDM network element.
- the UDM network element receives a sixth request message from the TMF network element.
- the sixth request message includes a list of terminal devices in the first area.
- the sixth request message is used to request P-IoT capability information of the terminal devices in the first area.
- the UDM network element when the UDM network element receives the sixth request message from the TMF network element, the UDM network element may obtain the P-IoT capability information of each terminal device in the first area from the contract information of each terminal device.
- S706 The UDM network element sends the seventh information to the TMF network element, and correspondingly, the TMF network element receives the seventh information from the UDM network element, where the seventh information includes the P-IoT capability information of the terminal devices in the first area.
- S707 The TMF network element determines a list of terminal devices in the first area that have the capability to activate the P-IoT tag based on the seventh information.
- the TMF network element can determine the terminal devices in the first area that have the ability to stimulate the P-IoT tag based on the seventh information, and generate a corresponding terminal device list.
- the TMF network element can obtain a list of terminal devices in the first area from the AMF network element, and obtain the P-IoT capability information of each terminal device in the terminal device list from the UDM network element, so that the TMF network element can determine a list of terminal devices in the first area that have the ability to stimulate the P-IoT tag.
- the TMF network element can directly obtain the list of terminal devices capable of stimulating the P-IoT tag in the first area from the UDM network element, reducing the signaling interaction between the TMF network element and the AMF network element.
- S708 The TMF network element sends the seventh request message to the LMF network element, and correspondingly, the LMF network element receives the seventh request message from the TMF network element, and the seventh request message includes the terminal device list and the LCS association identifier corresponding to each terminal device in the terminal device list.
- the LCS association identifier corresponding to each terminal device in the terminal device list can be sent by the AMF network element to the TMF network element through the sixth information, that is, the sixth information in step S704 also includes the LCS association identifier corresponding to each terminal device in the terminal device list.
- the LMF network element executes the positioning process to obtain the location information of the terminal device.
- the LMF network element sends the eighth information to the TMF network element.
- the TMF network element receives the eighth information from the LMF network element.
- the eighth information includes the location information of each terminal device in the terminal device list.
- the TMF network element groups the terminal devices in the terminal device list based on the location information and/or service type to obtain multiple terminal device groups.
- the TMF network element sends a third request message to the AMF network element, and the AMF network element receives the third request message from the TMF network element.
- the third request message is used to request an operation on the tag in the first area.
- the third request message includes grouping information of multiple terminal device groups in the first area that have the ability to stimulate the P-IoT tag.
- the AMF network element sends a first request message to the RAN device.
- the first request message includes grouping information of multiple terminal device groups.
- the first request message is used to request the RAN device to trigger a tag for random access.
- the RAN device determines a plurality of terminal device groups capable of stimulating the P-IoT tag.
- the RAN device determines multiple terminal device groups capable of stimulating the P-IoT tag based on the grouping information of the multiple terminal device groups included in the first request message.
- the RAN device determines first information for each of the plurality of terminal device groups, where the first information is used to instruct the terminal devices in the corresponding terminal device group to trigger corresponding carrier excitation; the carrier excitation is used to excite the P-IoT tag.
- the RAN device sends corresponding first information to multiple terminal device groups respectively, and correspondingly, the terminal device receives the first information of the connected RAN device.
- S717 The terminal device triggers corresponding carrier excitation according to the first information.
- S718 The tag randomly accesses the RAN device and performs tag operation.
- the RAN device sends the uplink label data to the AMF network element; when the AMF network element receives the uplink label data from the RAN device, it sends the uplink label data to the TMF network element; when the TMF network element receives the uplink label data from the AMF network element, it sends the uplink label data to the AF network element.
- the RAN device sends corresponding fourth information to multiple terminal device groups respectively, and correspondingly, the terminal device receives the fourth information of the connected RAN device, wherein the fourth information is used to instruct the terminal devices in the corresponding terminal device group to turn off the corresponding carrier excitation.
- S721 The terminal device turns off the corresponding carrier excitation according to the fourth information.
- steps S709 to S721 please refer to steps S511 to S523 in Figure 5, which will not be repeated here.
- the terminal device does not report its own P-IoT capability information, but carries the P-IoT capability information in the contract information managed by the UDM network element, so that the TMF network element can obtain the P-IoT capability information of each terminal device from the UDM network element, which is beneficial for the TMF network element to determine the terminal devices in the first area that have the ability to stimulate the P-IoT tag according to the P-IoT capability information, and generate a corresponding terminal device list.
- the terminal device Since the P-IoT capability information of the terminal device is carried in the contract information managed by the UDM network element, there is no need for the terminal device to report the P-IoT capability information through the registration process, which can avoid the terminal device affecting the execution of the registration service when reporting the P-IoT capability information.
- the communication method described in Figure 8 also includes an NGAP identifier corresponding to the terminal device identifier in the fifth information.
- the grouping information of the multiple terminal device groups sent by the TMF network element to the AMF network element also includes the NGAP identifier corresponding to the terminal device identifier. Therefore, the AMF network element can directly transparently transmit the grouping information to the RAN device without the need for identifier conversion.
- the communication method may include but is not limited to the following steps:
- the terminal device sends second information to the connected RAN device, and correspondingly, the RAN device receives the second information, where the second information includes P-IoT capability information of the terminal device.
- the RAN device selects an AMF network element with P-IoT interaction capability.
- the RAN device sends the third information to the AMF network element, and correspondingly, the AMF network element receives the third information from the RAN device, wherein the third information includes the P-IoT capability information of the terminal device accessing the RAN device.
- S804 Trigger the authentication process and complete the registration process with the corresponding device network element.
- steps S801 to S804 please refer to steps S501 to S504 in FIG. 5 , which will not be repeated here.
- the AF network element sends a second request message to the TMF network element.
- the TMF network element receives the second request message from the AF network element.
- the second request message is used to request an operation on the labels in the first area.
- step S301 in FIG. 3 please refer to step S301 in FIG. 3 , which will not be described in detail.
- the TMF network element selects an AMF network element that has P-IoT interaction capability and covers the first area.
- the TMF network element sends a fourth request message to the AMF network element.
- the AMF network element receives a fourth request message from the TMF network element.
- the fourth request message is used to request a list of terminal devices in the first area that have the ability to stimulate the P-IoT tag.
- step S806 to step S807 please refer to step S506 to step S507 in Figure 5, which will not be repeated here.
- the AMF network element sends the fifth information to the TMF network element.
- the TMF network element receives the fifth information from the AMF network element.
- the fifth information includes a list of terminal devices in the first area that are capable of stimulating the P-IoT tag.
- the fifth information also includes an NGAP identifier corresponding to the terminal device identifier.
- the TMF network element determines, based on the fifth information, a list of terminal devices in the first area that are capable of stimulating the P-IoT tag, and a NGAP identifier corresponding to each terminal device identifier.
- the TMF network element sends the seventh request message to the LMF network element.
- the LMF network element receives the seventh request message from the TMF network element.
- the seventh request message includes a terminal device list and an LCS association identifier corresponding to each terminal device in the terminal device list.
- the LMF network element executes the positioning process to obtain the location information of the terminal device.
- the LMF network element sends the eighth information to the TMF network element.
- the TMF network element receives the eighth information from the LMF network element.
- the eighth information includes the location information of each terminal device in the terminal device list.
- the TMF network element groups the terminal devices in the terminal device list based on the location information and/or service type to obtain multiple terminal device groups.
- steps S810 to S813 please refer to steps S510 to S513 in Figure 5, which will not be repeated here.
- the TMF network element sends a third request message to the AMF network element, and correspondingly, the AMF network element receives the third request message from the TMF network element.
- the third request message is used to request an operation on the tag in the first area.
- the third request message includes grouping information of multiple terminal device groups in the first area that have the ability to stimulate the P-IoT tag, and the grouping information also includes the NGAP identifier corresponding to each terminal device identifier.
- the AMF network element sends a first request message to the RAN device.
- the first request message includes grouping information of multiple terminal device groups.
- the first request message is used to request the RAN device to trigger a tag for random access.
- the RAN device determines multiple terminal device groups capable of stimulating the P-IoT tag according to the grouping information of the multiple terminal device groups included in the first request message.
- the RAN device determines first information for each of the plurality of terminal device groups, where the first information is used to instruct the terminal devices in the corresponding terminal device group to trigger corresponding carrier excitation; the carrier excitation is used to excite the P-IoT tag.
- the RAN device sends corresponding first information to multiple terminal device groups respectively, and correspondingly, the terminal device receives the first information of the connected RAN device.
- S819 The terminal device triggers corresponding carrier excitation according to the first information.
- S820 The tag randomly accesses the RAN device and performs tag operation.
- the RAN device sends uplink label data to the AMF network element; when the AMF network element receives the uplink label data from the RAN device, it sends the uplink label data to the TMF network element; when the TMF network element receives the uplink label data from the AMF network element, it sends the uplink label data to the AF network element.
- the RAN device sends corresponding fourth information to multiple terminal device groups respectively, and correspondingly, the terminal device receives the fourth information of the connected RAN device, wherein the fourth information is used to instruct the terminal devices in the corresponding terminal device group to turn off the corresponding carrier excitation.
- steps S815 to S823 please refer to steps S515 to S523 in Figure 5, which will not be repeated here.
- the fifth information also includes the NGAP identifier corresponding to the terminal device identifier.
- the grouping information of the multiple terminal device groups sent by the TMF network element to the AMF network element also includes the NGAP identifier corresponding to the terminal device identifier.
- the AMF network element can directly transparently transmit the grouping information to the RAN device without the need for identifier conversion, so that the AMF network element can transparently transmit the grouping information from the TMF network element, which can effectively reduce the workload of the AMF network element.
- it can also avoid the relevant information of the AMF perception label operation.
- FIG. 9 shows a flow chart of another communication method.
- the TMF network element in the communication method described in Figure 9 only determines a list of terminal devices in the first area that have the ability to stimulate the P-IoT tag.
- the RAN device can group the terminal devices in the terminal device list based on the air interface connection status to obtain multiple terminal device groups.
- the communication method may include but is not limited to the following steps:
- the terminal device sends second information to the connected RAN device, and the RAN device receives the second information accordingly. Includes P-IoT capability information of terminal devices.
- the RAN device selects an AMF network element with P-IoT interaction capability.
- the RAN device sends the third information to the AMF network element, and correspondingly, the AMF network element receives the third information from the RAN device, wherein the third information includes the P-IoT capability information of the terminal device accessing the RAN device.
- S904 Trigger the authentication process and complete the registration process with the corresponding device network element.
- steps S901 to S904 please refer to steps S501 to S504 in Figure 5, which will not be repeated here.
- the AF network element sends a second request message to the TMF network element.
- the TMF network element receives the second request message from the AF network element.
- the second request message is used to request an operation on the label in the first area.
- step S301 in FIG. 3 please refer to step S301 in FIG. 3 , which will not be described in detail.
- the TMF network element selects an AMF network element that has P-IoT interaction capability and covers the first area.
- the TMF network element sends a fourth request message to the AMF network element.
- the AMF network element receives a fourth request message from the TMF network element.
- the fourth request message is used to request a list of terminal devices in the first area that are capable of stimulating the P-IoT tag.
- the AMF network element sends the fifth information to the TMF network element.
- the TMF network element receives the fifth information from the AMF network element.
- the fifth information includes a list of terminal devices in the first area that are capable of stimulating the P-IoT tag.
- the TMF network element determines a list of terminal devices in the first area that are capable of stimulating the P-IoT tag according to the fifth information.
- steps S906 to S909 please refer to steps S506 to S509 in Figure 5, which will not be repeated here.
- the TMF network element sends a third request message to the AMF network element, and correspondingly, the AMF network element receives the third request message from the TMF network element.
- the third request message is used to request an operation on a label in the first area, and the third request message includes a terminal device list.
- the TMF network element does not need to group the terminal devices in the terminal device list or directly group all the terminal devices in the terminal device list into one group.
- the terminal device list can be directly sent to the AMF network element so that the AMF network element sends the terminal device list to the RAN device.
- the AMF network element sends a first request message to the RAN device.
- the RAN device receives the first request message from the AMF network element.
- the first request message includes a list of terminal devices.
- the first request message is used to request the RAN device to trigger a tag for random access.
- the RAN device groups the terminal devices in the terminal device list based on the air interface connection status to obtain multiple terminal device groups.
- the air interface connection states of the terminal devices in the same group of the multiple terminal device groups are the same, that is, the air interface connection states of the terminal devices in different groups of the multiple terminal device groups are different.
- the air interface connection state is used to indicate the air interface connection status of the terminal device, for example, the air interface connection state may include the distribution of beams.
- the RAN device determines first information for each of the plurality of terminal device groups, where the first information is used to instruct the terminal devices in the corresponding terminal device group to trigger corresponding carrier excitation; the carrier excitation is used to excite the P-IoT tag.
- the RAN device sends corresponding first information to the multiple terminal device groups respectively, and correspondingly, the terminal device receives the first information of the connected RAN device.
- S915 The terminal device triggers corresponding carrier excitation according to the first information.
- S916 The tag randomly accesses the RAN device and performs tag operation.
- the RAN device sends the uplink label data to the AMF network element; when the AMF network element receives the uplink label data from the RAN device, it sends the uplink label data to the TMF network element; when the TMF network element receives the uplink label data from the AMF network element, it sends the uplink label data to the AF network element.
- the RAN device sends corresponding fourth information to multiple terminal device groups respectively, and correspondingly, the terminal device receives the fourth information of the connected RAN device, wherein the fourth information is used to instruct the terminal devices in the corresponding terminal device group to turn off the corresponding carrier excitation.
- steps S913 to S919 please refer to steps S517 to S523 in Figure 5, which will not be repeated here.
- the TMF network element obtains the list of terminal devices capable of stimulating P-IoT tags in the first area, since the TMF network element does not need to group the terminal devices in the terminal device list based on the location information, there is no need to initiate a positioning request for the terminal device or obtain the location information of the terminal device.
- the fifth information provided by the AMF network element to the TMF network element may not include the LCS association identifier corresponding to each terminal device.
- the TMF network element can determine a list of terminal devices that have the ability to stimulate the P-IoT tag, without grouping the terminal devices in the terminal device list or grouping all the terminal devices in the terminal device list together.
- the RAN device can group the terminal devices in the terminal device list based on the air interface connection status to obtain multiple terminal device groups, and indicate different carriers for stimulating the P-IoT tag for different terminal device groups, that is, indicate different carriers for stimulating the P-IoT tag for terminal device groups with different air interface connection statuses. Since the RAN device combines the terminal devices when grouping them The air interface connection status can effectively ensure the efficient use of air interface resources.
- the RAN device, TMF network element or AMF network element may include a hardware structure and/or a software module, and implement the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module. Whether one of the above functions is executed in the form of a hardware structure, a software module, or a hardware structure plus a software module depends on the specific application and design constraints of the technical solution.
- an embodiment of the present application provides a communication device 1000, which may include: a communication unit 1001 and a processing unit 1002.
- the processing unit 1002 is used to control the communication unit 1001 to send and receive data/signaling.
- the communication device 1000 may also include a storage unit 1003.
- the processing unit 1002 is used to determine a plurality of terminal device groups capable of stimulating a P-IoT tag;
- the processing unit 1002 is further configured to determine first information for each of the plurality of terminal device groups, the first information being used to instruct a terminal device in the corresponding terminal device group to trigger a corresponding carrier excitation; the carrier excitation being used to excite the P-IoT tag;
- the communication unit 1001 is used to send corresponding first information to multiple terminal device groups respectively.
- the communication device 1000 may include a RAN device or a component in the RAN device (eg, an integrated circuit, a chip, etc.).
- the processing unit 1002 is configured to determine a plurality of terminal device groups capable of stimulating a P-IoT tag, including:
- the communication unit 1001 is used to receive a first request message, where the first request message is used to request the RAN device to trigger a tag for random access, and the first request message includes grouping information of multiple terminal device groups capable of stimulating a P-IoT tag.
- the processing unit 1002 is configured to determine a plurality of terminal device groups capable of stimulating a P-IoT tag, including:
- the communication unit 1001 is used to receive a first request message, where the first request message is used to request the RAN device to trigger a tag for random access, where the first request message includes a list of terminal devices capable of stimulating a P-IoT tag;
- the processing unit 1002 is used to group the terminal devices in the terminal device list based on the air interface connection status to obtain the multiple terminal device groups.
- the communication unit 1001 before the communication unit 1001 is used to receive the first request message, it also includes:
- the communication unit 1001 is used to receive a second request message, where the second request message is used to request to operate a tag in the first area;
- the processing unit 1002 is used to determine a list of terminal devices or multiple terminal device groups capable of stimulating the P-IoT tag in the first area;
- the communication unit 1001 is used to send a third request message, where the third request message is used to request an operation on a tag in the first area;
- the third request message includes a list of terminal devices capable of stimulating a P-IoT tag in the first area or grouping information of multiple terminal device groups;
- the communication unit 1001 is used to send a first request message, where the first request message includes a terminal device list or grouping information of multiple terminal device groups.
- the communication device 1000 may further include a TMF network element and an AMF network element.
- the TMF network element may be a component in the TMF network element.
- the AMF network element may be a component in the AMF network element.
- the communication unit 1001 before the communication unit 1001 is used to receive the first request message, it also includes:
- the communication unit 1001 is used to receive second information of a terminal device connected to the communication apparatus 1000, where the second information includes P-IoT capability information of the terminal device; the P-IoT capability information is used to indicate that the terminal device has the capability to stimulate a P-IoT tag;
- the processing unit 1002 is used to select an AMF network element with P-IoT interaction capability
- the communication unit 1001 is used to send third information, which includes P-IoT capability information of the terminal device accessing the communication device 1000.
- the communication unit 1001 after the communication unit 1001 is used to send corresponding first information to multiple terminal device groups respectively, it also includes:
- the communication unit 1001 is used to send fourth information to multiple terminal device groups respectively, where the fourth information is used to instruct the terminal devices in the corresponding terminal device group to turn off the corresponding carrier excitation.
- the communication unit 1001 is used to receive a second request message, where the second request message is used to request an operation to be performed on a tag in the first area;
- the processing unit 1002 is used to determine a plurality of terminal device groups capable of stimulating a P-IoT tag in the first area;
- the communication unit 1001 is also used to send a third request message, which is used to request an operation on the tags in the first area; the third request message includes grouping information of multiple terminal device groups capable of stimulating P-IoT tags in the first area; The group information is used to determine the corresponding carrier excitation.
- the communication device 1000 may include a TMF network element or a component in a TMF network element (eg, an integrated circuit, a chip, etc.).
- the processing unit 1002 is configured to determine a plurality of terminal device groups capable of stimulating a P-IoT tag in the first area, including:
- the processing unit 1002 is used to determine a list of terminal devices capable of stimulating the P-IoT tag in the first area;
- the processing unit 1002 is used to group the terminal devices in the terminal device list based on location information and/or service type to obtain multiple terminal device groups.
- the processing unit 1002 is configured to determine a list of terminal devices capable of stimulating a P-IoT tag in the first area, including:
- the processing unit 1002 is used to select an AMF network element that has a P-IoT interaction capability and covers the first area;
- the communication unit 1001 is used to send a fourth request message, where the fourth request message is used to request a list of terminal devices capable of stimulating the P-IoT tag in the first area;
- the communication unit 1001 is used to receive fifth information, which includes a list of terminal devices in the first area that have the ability to stimulate the P-IoT tag.
- the processing unit 1002 is configured to determine a list of terminal devices capable of stimulating a P-IoT tag in the first area, including:
- the processing unit 1002 is used to select an AMF network element that has a P-IoT interaction capability and covers the first area;
- the communication unit 1001 is used to send a fifth request message, where the fifth request message is used to request a list of terminal devices in the first area;
- the communication unit 1001 is used to receive sixth information, where the sixth information includes a list of terminal devices in the first area;
- the communication unit 1001 is used to send a sixth request message to the UDM network element, where the sixth request message includes a list of terminal devices in the first area; the sixth request message is used to request P-IoT capability information of the terminal devices in the first area;
- the communication unit 1001 is used to receive seventh information from the UDM network element, where the seventh information includes P-IoT capability information of the terminal device in the first area;
- the processing unit 1002 is used to determine a list of terminal devices in the first area that are capable of stimulating the P-IoT tag based on the seventh information.
- the communication unit 1001 is used to receive a second request message, where the second request message is used to request an operation to be performed on a tag in the first area;
- the processing unit 1002 is used to determine a list of terminal devices capable of stimulating the P-IoT tag in the first area;
- the communication unit 1001 is also used to send a third request message, which is used to request an operation on a tag within the first area;
- the third request message includes a list of terminal devices in the first area that have the ability to stimulate the P-IoT tag;
- the terminal device list includes one or more terminal device identifiers, and the terminal device identified by the terminal device identifier is used to stimulate the P-IoT tag.
- the communication device 1000 may include a TMF network element or a component in a TMF network element (eg, an integrated circuit, a chip, etc.).
- the processing unit 1002 is configured to determine a list of terminal devices capable of stimulating a P-IoT tag in the first area, including:
- the processing unit 1002 is used to select an AMF network element that has a P-IoT interaction capability and covers the first area;
- the communication unit 1001 is used to send a fourth request message, where the fourth request message is used to request a list of terminal devices capable of stimulating the P-IoT tag in the first area;
- the communication unit 1001 is used to receive fifth information, which includes a list of terminal devices in the first area that have the ability to stimulate the P-IoT tag.
- the processing unit 1002 is configured to determine a list of terminal devices capable of stimulating a P-IoT tag in the first area, including:
- the processing unit 1002 is used to select an AMF network element that has a P-IoT interaction capability and covers the first area;
- the communication unit 1001 is used to send a fifth request message, where the fifth request message is used to request a list of terminal devices in the first area;
- the communication unit 1001 is used to receive sixth information, where the sixth information includes a list of terminal devices in the first area;
- the communication unit 1001 is used to send a sixth request message to the UDM network element, where the sixth request message includes a list of terminal devices in the first area; the sixth request message is used to request P-IoT capability information of the terminal devices in the first area;
- the communication unit 1001 is used to receive the seventh information from the UDM network element, where the seventh information includes the P-IoT capability of the terminal device in the first area. force information;
- the processing unit 1002 is used to determine a list of terminal devices in the first area that are capable of stimulating the P-IoT tag based on the seventh information.
- the embodiment of the present application further provides a communication device 1100, as shown in Figure 11.
- the communication device 1100 can be used to implement the method described in the above method embodiment, and the details can refer to the description in the above method embodiment.
- the communication device 1100 may include one or more processors 1101.
- the processor may be used to implement some or all of the functions of the above-mentioned RAN equipment, TMF network element and/or AMF network element through logic circuits or running computer programs.
- the processor 1101 may be a general-purpose processor or a dedicated processor, etc. For example, it may be a baseband processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component or a central processing unit (CPU).
- CPU central processing unit
- the baseband processor may be used to process communication protocols and communication data
- the central processing unit may be used to control communication devices (such as base stations, baseband chips, terminals, terminal chips, DUs or CUs, etc.), execute software programs, and process data of software programs.
- the communication device 1100 may include one or more memories 1102, on which instructions 1104 may be stored, and the instructions may be executed on the processor 1101, so that the communication device 1100 performs the method described in the above method embodiment.
- data may also be stored in the memory 1102.
- the processor 1101 and the memory 1102 may be provided separately or integrated together.
- the memory 1102 may include, but is not limited to, non-volatile memories such as a hard disk drive (HDD) or a solid-state drive (SSD), random access memory (RAM), erasable programmable ROM (EPROM), ROM or portable read-only memory (compact disc read-only memory, CD-ROM), etc.
- non-volatile memories such as a hard disk drive (HDD) or a solid-state drive (SSD), random access memory (RAM), erasable programmable ROM (EPROM), ROM or portable read-only memory (compact disc read-only memory, CD-ROM), etc.
- the communication device 1100 may further include a transceiver 1105 and an antenna 1106.
- the transceiver 1105 may be referred to as a transceiver unit, a transceiver, or a transceiver circuit, etc., for implementing a transceiver function.
- the transceiver 1105 may include a receiver and a transmitter, the receiver may be referred to as a receiver or a receiving circuit, etc., for implementing a receiving function; the transmitter may be referred to as a transmitter or a transmitting circuit, etc., for implementing a transmitting function.
- the processor 1101 is used to determine a plurality of terminal device groups capable of stimulating a P-IoT tag
- the processor 1101 is further configured to determine first information for each of the plurality of terminal device groups, the first information being used to instruct a terminal device in the corresponding terminal device group to trigger a corresponding carrier excitation; the carrier excitation being used to excite the P-IoT tag;
- the transceiver 1105 is used to send corresponding first information to multiple terminal device groups respectively.
- the communication device 1100 may include a RAN device or a component in the RAN device (eg, an integrated circuit, a chip, etc.).
- the processor 1101 is configured to determine a plurality of terminal device groups capable of stimulating a P-IoT tag, including:
- the transceiver 1105 is used to receive a first request message, where the first request message is used to request the RAN device to trigger a tag for random access, and the first request message includes grouping information of multiple terminal device groups capable of stimulating the P-IoT tag.
- the processor 1101 is configured to determine a plurality of terminal device groups capable of stimulating a P-IoT tag, including:
- the transceiver 1105 is used to receive a first request message, where the first request message is used to request the RAN device to trigger the tag for random access, where the first request message includes a list of terminal devices capable of stimulating the P-IoT tag;
- the processor 1101 is configured to group the terminal devices in the terminal device list based on the air interface connection status to obtain the multiple terminal device groups.
- the transceiver 1105 before the transceiver 1105 is used to receive the first request message, it also includes:
- the transceiver 1105 is used to receive a second request message, where the second request message is used to request to operate the tags in the first area;
- the processor 1101 is configured to determine a list of terminal devices or a plurality of terminal device groups capable of stimulating a P-IoT tag in a first area;
- the transceiver 1105 is used to send a third request message, where the third request message is used to request an operation on a tag in the first area; the third request message includes a list of terminal devices capable of stimulating a P-IoT tag in the first area or grouping information of multiple terminal device groups;
- the transceiver 1105 is used to send a first request message, where the first request message includes a terminal device list or grouping information of multiple terminal device groups.
- the communication device 1100 may further include a TMF network element and an AMF network element.
- the TMF network element may be a component in the TMF network element.
- the AMF network element may be a component in the AMF network element.
- the transceiver 1105 before the transceiver 1105 is used to receive the first request message, it also includes:
- the transceiver 1105 is used to receive second information of a terminal device accessing the communication apparatus 1100, where the second information includes P-IoT capability information of the terminal device; the P-IoT capability information is used to indicate that the terminal device has the capability to stimulate the P-IoT tag;
- the processor 1101 is used to select an AMF network element with P-IoT interaction capability
- the transceiver 1105 is used to send third information, which includes P-IoT capability information of the terminal device accessing the communication device 1100.
- the transceiver 1105 after the transceiver 1105 is used to send corresponding first information to multiple terminal device groups respectively, it also includes:
- the transceiver 1105 is used to send fourth information to multiple terminal device groups respectively, where the fourth information is used to instruct the terminal devices in the corresponding terminal device group to turn off the corresponding carrier excitation.
- the transceiver 1105 is used to receive a second request message, where the second request message is used to request an operation to be performed on a tag within the first area;
- the processor 1101 is configured to determine a plurality of terminal device groups capable of stimulating a P-IoT tag in a first area;
- the transceiver 1105 is also used to send a third request message, which is used to request an operation on a tag within the first area; the third request message includes grouping information of multiple terminal device groups within the first area that have the ability to excite the P-IoT tag; the grouping information is used to determine the corresponding carrier excitation.
- the communication device 1100 may include a TMF network element or a component in a TMF network element (eg, an integrated circuit, a chip, etc.).
- the processor 1101 is configured to determine a plurality of terminal device groups capable of stimulating a P-IoT tag in the first area, including:
- the processor 1101 is configured to determine a list of terminal devices capable of stimulating a P-IoT tag in a first area
- the processor 1101 is used to group the terminal devices in the terminal device list based on location information and/or service type to obtain multiple terminal device groups.
- the processor 1101 is configured to determine a list of terminal devices capable of stimulating a P-IoT tag in the first area, including:
- the processor 1101 is configured to select an AMF network element having a P-IoT interaction capability and covering the first area;
- the transceiver 1105 is used to send a fourth request message, where the fourth request message is used to request a list of terminal devices capable of stimulating the P-IoT tag in the first area;
- the transceiver 1105 is used to receive fifth information, which includes a list of terminal devices in the first area that have the ability to stimulate the P-IoT tag.
- the processor 1101 is configured to determine a list of terminal devices capable of stimulating a P-IoT tag in the first area, including:
- the processor 1101 is configured to select an AMF network element having a P-IoT interaction capability and covering the first area;
- the transceiver 1105 is used to send a fifth request message, where the fifth request message is used to request a list of terminal devices in the first area;
- the transceiver 1105 is used to receive sixth information, where the sixth information includes a list of terminal devices in the first area;
- the transceiver 1105 is used to send a sixth request message to the UDM network element, where the sixth request message includes a list of terminal devices in the first area; the sixth request message is used to request P-IoT capability information of the terminal devices in the first area;
- the transceiver 1105 is used to receive seventh information from the UDM network element, where the seventh information includes P-IoT capability information of the terminal device in the first area;
- the processor 1101 is used to determine a list of terminal devices in the first area that are capable of stimulating the P-IoT tag based on the seventh information.
- the transceiver 1105 is used to receive a second request message, where the second request message is used to request an operation to be performed on a tag within the first area;
- the processor 1101 is configured to determine a list of terminal devices capable of stimulating a P-IoT tag in a first area
- the transceiver 1105 is also used to send a third request message, which is used to request an operation on a tag within the first area;
- the third request message includes a list of terminal devices in the first area that have the ability to stimulate the P-IoT tag;
- the terminal device list includes one or more terminal device identifiers, and the terminal device identified by the terminal device identifier is used to stimulate the P-IoT tag.
- the communication device 1000 may include a TMF network element or a component in a TMF network element (eg, an integrated circuit, a chip, etc.).
- the processor 1101 is configured to determine a list of terminal devices capable of stimulating a P-IoT tag in the first area, including:
- the processor 1101 is configured to select an AMF network element having a P-IoT interaction capability and covering the first area;
- the transceiver 1105 is used to send a fourth request message, where the fourth request message is used to request a list of terminal devices capable of stimulating the P-IoT tag in the first area;
- the transceiver 1105 is used to receive fifth information, which includes a list of terminal devices in the first area that have the ability to stimulate the P-IoT tag.
- the processor 1101 is configured to determine a list of terminal devices capable of stimulating a P-IoT tag in the first area, including:
- the processor 1101 is configured to select an AMF network element having a P-IoT interaction capability and covering the first area;
- the transceiver 1105 is used to send a fifth request message, where the fifth request message is used to request a list of terminal devices in the first area;
- the transceiver 1105 is used to receive sixth information, where the sixth information includes a list of terminal devices in the first area;
- the transceiver 1105 is used to send a sixth request message to the UDM network element, where the sixth request message includes a list of terminal devices in the first area; the sixth request message is used to request P-IoT capability information of the terminal devices in the first area;
- the transceiver 1105 is used to receive seventh information from the UDM network element, where the seventh information includes P-IoT capability information of the terminal device in the first area;
- the processor 1101 is used to determine a list of terminal devices in the first area that are capable of stimulating the P-IoT tag based on the seventh information.
- the processor 1101 may include a transceiver for implementing the receiving and sending functions.
- the transceiver may be a transceiver circuit, or an interface, or an interface circuit.
- the transceiver circuit, interface, or interface circuit for implementing the receiving and sending functions may be separate or integrated.
- the above-mentioned transceiver circuit, interface, or interface circuit may be used for reading and writing code/data, or the above-mentioned transceiver circuit, interface, or interface circuit may be used for transmitting or delivering signals.
- the processor 1101 may store an instruction 1103, and the instruction 1103 runs on the processor 1101, so that the communication device 1100 can execute the method described in the above method embodiment.
- the instruction 1103 may be solidified in the processor 1101, in which case the processor 1101 may be implemented by hardware.
- the communication device 1100 may include a circuit that can implement the functions of sending or receiving or communicating in the aforementioned method embodiments.
- the processor and transceiver described in the embodiments of the present application can be implemented in an integrated circuit (IC), an analog IC, a radio frequency integrated circuit (RFIC), a mixed signal IC, an application specific integrated circuit (ASIC), a printed circuit board (PCB), an electronic device, etc.
- IC integrated circuit
- RFIC radio frequency integrated circuit
- ASIC application specific integrated circuit
- PCB printed circuit board
- the processor and transceiver can also be manufactured using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), N-type metal oxide semiconductor (nMetal-oxide-semiconductor, NMOS), P-type metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (bipolar junction transistor, BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
- CMOS complementary metal oxide semiconductor
- N-type metal oxide semiconductor nMetal-oxide-semiconductor
- PMOS bipolar junction transistor
- BJT bipolar junction transistor
- BiCMOS bipolar CMOS
- SiGe silicon germanium
- GaAs gallium arsenide
- the communication device 1100 can execute the implementation method described in the above communication device 1000.
- the various illustrative logical blocks and steps listed in the embodiment of the present application can be implemented by electronic hardware, computer software, or a combination of the two. Whether such functions are implemented by hardware or software depends on the specific application and the design requirements of the entire system. Those skilled in the art can use various methods to implement the described functions for each specific application, but such implementation should not be understood as exceeding the scope of protection of the embodiment of the present application.
- the present application also provides a computer-readable storage medium for storing computer software instructions, which, when executed by a communication device, implement the functions of any of the above method embodiments.
- the present application also provides a computer program product for storing computer software instructions, which, when executed by a communication device, implement the functions of any of the above method embodiments.
- the present application also provides a computer program, which, when executed on a computer, implements the functions of any of the above method embodiments.
- all or part of the embodiments may be implemented by software, hardware, firmware or any combination thereof.
- all or part of the embodiments may be implemented in the form of a computer program product.
- the computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, the process or function described in the embodiments of the present application is generated in whole or in part.
- the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
- the computer instructions may be stored in a computer.
- the computer instructions may be transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server or data center to another website, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means.
- the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or data center that includes one or more available media integrated therein.
- the available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a high-density digital video disc (DVD)), or a semiconductor medium (e.g., an SSD), etc.
- a magnetic medium e.g., a floppy disk, a hard disk, a magnetic tape
- an optical medium e.g., a high-density digital video disc (DVD)
- DVD high-density digital video disc
- SSD semiconductor medium
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Abstract
Description
Claims (14)
- 一种通信方法,其特征在于,所述方法包括:接入网设备确定具备激励无源物联网标签的能力的多个终端设备组;所述接入网设备针对所述多个终端设备组分别确定第一信息,所述第一信息用于指示对应终端设备组中的终端设备触发对应的载波激励;所述载波激励用于激励无源物联网标签;所述接入网设备向所述多个终端设备组分别发送对应的第一信息。
- 如权利要求1所述的方法,其特征在于,所述接入网设备确定具备激励无源物联网标签的能力的多个终端设备组,包括:所述接入网设备接收来自接入和移动性管理网元的第一请求消息,所述第一请求消息用于请求所述接入网设备触发标签进行随机接入,所述第一请求消息中包括具备激励无源物联网标签的能力的多个终端设备组的分组信息。
- 如权利要求1所述的方法,其特征在于,所述接入网设备确定具备激励无源物联网标签的能力的多个终端设备组,包括:所述接入网设备接收来自接入和移动性管理网元的第一请求消息,所述第一请求消息用于请求所述接入网设备触发标签进行随机接入,所述第一请求消息中包括具备激励无源物联网标签的能力的终端设备列表;所述接入网设备基于空口连接状态对所述终端设备列表中的终端设备进行分组,得到所述多个终端设备组。
- 如权利要求2或3所述的方法,其特征在于,在所述接入网设备接收来自接入和移动性管理网元的第一请求消息之前,所述方法还包括:标签管理功能网元接收来自应用功能网元的第二请求消息,所述第二请求消息用于请求对第一区域内的标签进行操作;所述标签管理功能网元确定所述第一区域内具备激励无源物联网标签的能力的终端设备列表或多个终端设备组;所述标签管理功能网元发送第三请求消息至所述接入和移动性管理网元,所述第三请求消息用于请求对所述第一区域内的标签进行操作;所述第三请求消息中包括所述第一区域内具备激励无源物联网标签的能力的终端设备列表或多个终端设备组的分组信息;所述接入和移动性管理网元向所述接入网设备发送所述第一请求消息,所述第一请求消息中包括所述终端设备列表或者所述多个终端设备组的分组信息。
- 如权利要求2-4任一项所述的方法,其特征在于,所述接入网设备接收来自接入和移动性管理网元的第一请求消息之前,所述方法还包括:所述接入网设备接收接入所述接入网设备的终端设备的第二信息,所述第二信息包括所述终端设备的无源物联网能力信息;所述无源物联网能力信息用于指示所述终端设备具备激励无源物联网标签的能力;所述接入网设备选择具备无源物联网交互能力的接入和移动性管理网元;所述接入网设备向所述接入和移动性管理网元发送第三信息,所述第三信息包括接入所述接入网设备的终端设备的无源物联网能力信息。
- 如权利要求1-5任一项所述的方法,其特征在于,在所述接入网设备向所述多个终端设备组分别发送对应的第一信息之后,所述方法还包括:所述接入网设备向所述多个终端设备组分别发送第四信息,所述第四信息用于指示对应终端设备组中的终端设备关闭对应的载波激励。
- 一种通信方法,其特征在于,所述方法包括:标签管理功能网元接收来自应用功能网元的第二请求消息,所述第二请求消息用于请求对第一区域内的标签进行操作;所述标签管理功能网元确定所述第一区域内具备激励无源物联网标签的能力的多个终端设备组;所述标签管理功能网元发送第三请求消息至接入和移动性管理网元,所述第三请求消息用于请求对所述第一区域内的标签进行操作;所述第三请求消息中包括所述第一区域内具备激励无源物联网标签的能力的多个终端设备组的分组信息;所述分组信息被用于确定相应的载波激励。
- 如权利要求7所述的方法,其特征在于,所述标签管理功能网元确定所述第一区域内具备激励无源物联网标签的能力的多个终端设备组,包括:所述标签管理功能网元确定所述第一区域内具备激励无源物联网标签的能力的终端设备列表;所述标签管理功能网元基于位置信息和/或业务类型,对所述终端设备列表中的终端设备进行分组,得到所述多个终端设备组。
- 如权利要求7或8所述的方法,其特征在于,所述标签管理功能网元确定所述第一区域内具备激励无源物联网标签的能力的终端设备列表,包括:所述标签管理功能网元选择具备无源物联网交互能力,且覆盖所述第一区域的接入和移动性管理网元;所述标签管理功能网元发送第四请求消息至所述接入和移动性管理网元,所述第四请求消息用于请求所述第一区域内具备激励无源物联网标签的能力的终端设备列表;所述标签管理功能网元接收来自所述接入和移动性管理网元的第五信息,所述第五信息包括所述第一区域内具备激励无源物联网标签的能力的终端设备列表。
- 如权利要求7或8所述的方法,其特征在于,所述标签管理功能网元确定所述第一区域内具备激励无源物联网标签的能力的终端设备列表,包括:所述标签管理功能网元选择具备无源物联网交互能力,且覆盖所述第一区域的接入和移动性管理网元;所述标签管理功能网元发送第五请求消息至所述接入和移动性管理网元,所述第五请求消息用于请求所述第一区域内的终端设备列表;所述标签管理功能网元接收来自所述接入和移动性管理网元的第六信息,所述第六信息包括所述第一区域内的终端设备列表;所述标签管理功能网元发送第六请求消息至统一数据管理网元,所述第六请求消息包括所述第一区域内的终端设备列表;所述第六请求消息用于请求所述第一区域内终端设备的无源物联网能力信息;所述标签管理功能网元接收来自所述统一数据管理网元的第七信息,所述第七信息包括所述第一区域内终端设备的无源物联网能力信息;所述标签管理功能网元根据所述第七信息,确定所述第一区域内具备激励无源物联网标签的能力的终端设备列表。
- 一种通信装置,其特征在于,所述装置包括用于实现权利要求1至6任一项所述的方法的模块或单元,或者,所述装置包括用于实现权利要求7至10任一项所述的方法的模块或单元。
- 一种通信装置,其特征在于,包括存储器和处理器;所述存储器,用于存储指令或计算机程序;所述处理器,用于执行所述存储器所存储的计算机程序或指令,以使所述通信装置执行权利要求1至6任一项所述的方法,或者,以使所述通信装置执行权利要求7至10任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质存储有计算机程序,当所述计算机程序被运行时,实现如权利要求1至6任一项所述的方法,或者,实现如权利要求7至10任一项所述的方法。
- 一种计算机程序产品,所述计算机程序产品包括:计算机程序代码,当所述计算机程序代码并运行时,实现如权利要求1至6任一项所述的方法,或者,实现如权利要求7至10任一项所述的方法。
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| CN109446864A (zh) * | 2018-12-11 | 2019-03-08 | 深圳市联智物联网科技有限公司 | 一种实现快速盘点无线终端的系统 |
| CN111294929A (zh) * | 2018-12-06 | 2020-06-16 | 成都华为技术有限公司 | 一种通信方法、装置及系统 |
| WO2022110184A1 (zh) * | 2020-11-30 | 2022-06-02 | 华为技术有限公司 | 一种通信方法、装置及系统 |
| WO2022227098A1 (zh) * | 2021-04-30 | 2022-11-03 | 华为技术有限公司 | 一种信息传输方法、系统及装置 |
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| CN111294929A (zh) * | 2018-12-06 | 2020-06-16 | 成都华为技术有限公司 | 一种通信方法、装置及系统 |
| CN109446864A (zh) * | 2018-12-11 | 2019-03-08 | 深圳市联智物联网科技有限公司 | 一种实现快速盘点无线终端的系统 |
| WO2022110184A1 (zh) * | 2020-11-30 | 2022-06-02 | 华为技术有限公司 | 一种通信方法、装置及系统 |
| WO2022227098A1 (zh) * | 2021-04-30 | 2022-11-03 | 华为技术有限公司 | 一种信息传输方法、系统及装置 |
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| US20260032429A1 (en) | 2026-01-29 |
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