WO2024254747A1 - Procédé, dispositif et système de communication et support de stockage - Google Patents

Procédé, dispositif et système de communication et support de stockage Download PDF

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Publication number
WO2024254747A1
WO2024254747A1 PCT/CN2023/099768 CN2023099768W WO2024254747A1 WO 2024254747 A1 WO2024254747 A1 WO 2024254747A1 CN 2023099768 W CN2023099768 W CN 2023099768W WO 2024254747 A1 WO2024254747 A1 WO 2024254747A1
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WO
WIPO (PCT)
Prior art keywords
information
tag
value
indication information
preamble code
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2023/099768
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English (en)
Chinese (zh)
Inventor
张振宇
吴昱民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to CN202380009663.7A priority Critical patent/CN117223349A/zh
Priority to PCT/CN2023/099768 priority patent/WO2024254747A1/fr
Publication of WO2024254747A1 publication Critical patent/WO2024254747A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a communication method, communication equipment, system and storage medium.
  • M-TRP multiple TRP
  • TRP transmission reception points
  • Embodiments of the present disclosure provide a communication method, a communication device, a system, and a storage medium.
  • a communication method comprising:
  • the first information includes at least one of first indication information and second indication information, wherein the first indication information is used to indicate the association relationship between the preamble code and the TAG, and the second indication information is used to indicate the TAG information associated with the TA value.
  • a second aspect of the embodiments of the present disclosure provides a communication method, the method comprising:
  • Sending first information wherein the first information includes at least one of first indication information and second indication information, wherein the first indication information is used to indicate an association relationship between a preamble code and a TAG, and the second indication information is used to indicate TAG information associated with a TA value.
  • a terminal including:
  • a processing module configured to determine a timing advance group TAG corresponding to the timing advance TA value according to the first information
  • the first information includes at least one of first indication information and second indication information, wherein the first indication information is used to indicate the association relationship between the preamble code and the TAG, and the second indication information is used to indicate the TAG information associated with the TA value.
  • a fourth aspect of the embodiments of the present disclosure provides a network device, including:
  • the second transceiver module is configured to send first information, wherein the first information includes at least one of first indication information and second indication information, wherein the first indication information is used to indicate the association relationship between the preamble code and the TAG, and the second indication information is used to indicate the TAG information associated with the TA value.
  • a terminal including:
  • processors one or more processors
  • the terminal is used to execute the optional implementation of the aforementioned first aspect.
  • a sixth aspect of the embodiments of the present disclosure provides a network device, including:
  • processors one or more processors
  • the network device is used to execute the optional implementation mode of the aforementioned second aspect.
  • a communication system including a terminal and a network device, wherein the terminal is configured to implement the method described in the optional implementation manner of the first aspect, and the network device is configured to implement the method described in the optional implementation manner of the second aspect.
  • a computer-readable storage medium in which executable instructions are stored.
  • the executable instructions are loaded and executed by the processor to implement the method described in the optional implementation of the first aspect or the second aspect mentioned above.
  • FIG1 is a schematic diagram of the architecture of a communication system shown in an embodiment of the present disclosure
  • FIG2 is a flow chart of a communication method provided by an embodiment of the present disclosure.
  • FIG3a is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG3b is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG3c is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG3d is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG4a is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG4b is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG5 is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG6a is a schematic diagram of the structure of an apparatus for determining a timing advance value proposed in an embodiment of the present disclosure
  • FIG6b is a schematic diagram of the structure of an apparatus for determining a timing advance value proposed in an embodiment of the present disclosure
  • FIG7a is a schematic diagram of the structure of a communication device provided in an embodiment of the present disclosure.
  • FIG. 7 b is a schematic diagram of the structure of a chip proposed in an embodiment of the present disclosure.
  • the embodiments of the present disclosure provide a communication method, a communication device, a communication system, and a storage medium.
  • an embodiment of the present disclosure provides a communication method, the method comprising:
  • the first information includes at least one of first indication information and second indication information, wherein the first indication information is used to indicate the association relationship between the preamble code and the TAG, and the second indication information is used to indicate the TAG information associated with the TA value.
  • the TAG corresponding to the TA value is determined according to the information indicating the association relationship between the TAG and the preamble or the TA value, so as to distinguish the TAG associated with the M-TRP, which can improve the system performance.
  • the first indication information is included in at least one of the second information and the third information, wherein the second information is information for establishing a network connection, and the third information is information for triggering a random access process;
  • the second indication information is included in feedback information corresponding to the first preamble code, wherein the first preamble code is a preamble code in the preamble code indicated by the preamble code identifier included in the third information.
  • transmission resources can be effectively saved, and at the same time, successful transmission of information can be ensured, thereby providing a guarantee for the subsequent determination of the TAG corresponding to the TA value.
  • the indication method of the TAG information associated with the TA value includes any one of the following:
  • the completeness of the TAG information associated with the TA value is guaranteed, which provides a guarantee for the subsequent determination of the TAG corresponding to the TA value.
  • the first information includes the second indication information
  • determining the TAG corresponding to the TA value includes:
  • the feedback information includes a TAG associated with the TA value, and it is determined that the TAG corresponding to the TA value is the TAG included in the feedback information.
  • the feedback information further includes fourth information, and the fourth information is used to indicate a TAG among multiple TAGs associated with the TA value.
  • the fourth information is included in the feedback information to indicate one TAG among multiple TAGs associated with the TA value, thereby ensuring that the terminal can accurately determine the TAG corresponding to the TA value.
  • the first information includes the second indication information
  • determining the TAG corresponding to the TA value includes:
  • the feedback information includes multiple TAGs associated with the TA value, and it is determined that the TAG corresponding to the TA value is the TAG indicated by the fourth information.
  • the TAG corresponding to the TA value is determined to be the TAG indicated by the fourth information, thereby achieving the purpose of accurately determining the TAG corresponding to the TA value.
  • the first information includes the first indication information
  • the determining the TAG corresponding to the TA value includes:
  • the association relationship between the preamble code and the TAG is that the preamble code is associated with one TAG, and the TAG corresponding to the TA value is determined to be the TAG associated with the preamble code.
  • the TAG corresponding to the TA value can be quickly determined to be the TAG associated with the preamble, thereby improving system efficiency.
  • the feedback information further includes a fifth signal corresponding to the TA value.
  • the fifth information is used to indicate a TAG among multiple TAGs associated with the preamble code.
  • the fifth information is included in the feedback information to indicate one TAG among multiple TAGs associated with the preamble code, thereby ensuring that the terminal can accurately determine the TAG corresponding to the TA value.
  • the first information includes the first indication information
  • the determining the TAG corresponding to the TA value includes:
  • the association relationship between the preamble code and the TAG is that the preamble code is associated with multiple TAGs, and it is determined that the TAG corresponding to the TA value is the TAG indicated by the fifth information.
  • the TAG corresponding to the TA value is determined to be the TAG indicated by the fifth information, thereby achieving the purpose of accurately determining the TAG corresponding to the TA value.
  • the first information includes the first indication information and the second indication information
  • determining the TAG corresponding to the TA value includes:
  • the TAG corresponding to the TA value is determined.
  • the TAG corresponding to the TA value can be determined more accurately according to the priority.
  • the PDCCH command further includes information for indicating a TAG identifier, and indicates the TAG identifier in any of the following ways:
  • a 1-bit field is used to indicate one of the two TAG identifiers associated with the M-TRP;
  • a 2-bit field is used to indicate two TAG identifiers associated with the M-TRP.
  • the TAG ID can be obtained, and then the TAG corresponding to the TA value can be determined to be the TAG associated with the preamble code, which is consistent with the TAG indicated by the TAG ID.
  • the present invention further includes:
  • Feedback information corresponding to the first preamble code is received, where the feedback information includes the TA value.
  • the terminal by including the TA value in the feedback information corresponding to the first preamble code, it is ensured that the terminal can obtain the TA value.
  • the feedback information is a random access response message, and the feedback information is included in a timing advance command media access control-control unit.
  • an embodiment of the present disclosure provides a communication method, the method comprising:
  • Sending first information wherein the first information includes at least one of first indication information and second indication information, wherein the first indication information is used to indicate an association relationship between a preamble code and a TAG, and the second indication information is used to indicate TAG information associated with a TA value.
  • the first indication information and the second indication information are sent through different signaling.
  • the first indication information is included in at least one of the second information and the third information, wherein the second information is information for establishing a network connection, and the third information is information for triggering a random access process;
  • the second indication information is included in feedback information corresponding to the first preamble code, wherein the first preamble code is a preamble code in the preamble code indicated by the preamble code identifier included in the third information.
  • the indication method of the TAG information associated with the TA value includes any one of the following:
  • the first information includes the second indication information
  • the feedback information includes a TAG associated with the TA value
  • the TAG included in the feedback information is determined to be the TAG corresponding to the TA value.
  • the feedback information also includes fourth information, and the fourth information is used to indicate a TAG among multiple TAGs associated with the TA value.
  • the first information includes the second indication information
  • the feedback information includes multiple TAGs associated with the TA value
  • the TAG indicated by the fourth information is determined to be the TAG corresponding to the TA value.
  • the first information includes the first indication information
  • the The association relationship between the preamble code and the TAG indicated by the first indication information includes that the first preamble code is associated with a TAG, and the TAG associated with the first preamble code is determined to be the TAG corresponding to the TA value.
  • the feedback information also includes fifth information corresponding to the TA value, and the fifth information is used to indicate one TAG among multiple TAGs associated with the first preamble code.
  • the first information includes the first indication information
  • the association relationship between the preamble code indicated by the first indication information and the TAG includes the association of the first preamble code with multiple TAGs
  • the TAG indicated by the fifth information is determined to be the TAG corresponding to the TA value.
  • the first information includes the first indication information and the second indication information, and the TAG corresponding to the TA value is determined according to the priority.
  • the third information further includes information used to indicate a TAG identifier, and indicates the TAG identifier in any of the following ways:
  • a 1-bit field is used to indicate one of the two TAG identifiers associated with the M-TRP;
  • a 2-bit field is used to indicate two TAG identifiers associated with the M-TRP.
  • the present invention further includes:
  • the feedback information is a random access response message, and the feedback information is included in a timing advance command media access control-control unit.
  • an embodiment of the present disclosure provides a terminal, including:
  • a processing module configured to determine a timing advance group TAG corresponding to the timing advance TA value according to the first information
  • the first information includes at least one of first indication information and second indication information, wherein the first indication information is used to indicate the association relationship between the preamble code and the TAG, and the second indication information is used to indicate the TAG information associated with the TA value.
  • an embodiment of the present disclosure provides a network device, including:
  • the second transceiver module is configured to send first information to the terminal, wherein the first information includes at least one of first indication information and second indication information, wherein the first indication information is used to indicate the association relationship between the preamble code and the TAG, and the second indication information is used to indicate the TAG information associated with the TA value.
  • an embodiment of the present disclosure provides a terminal, including:
  • processors one or more processors
  • the terminal executes the method described in the optional implementation manner of the first aspect.
  • a network device including:
  • processors one or more processors
  • the network device executes the method described in the optional implementation manner of the second aspect.
  • an embodiment of the present disclosure proposes a communication system, including a terminal and a network device, wherein the terminal is configured to implement the method described in the optional implementation mode of the first aspect, and the network device is configured to implement the method described in the optional implementation mode of the second aspect.
  • an embodiment of the present disclosure proposes a storage medium, wherein the storage medium stores instructions, and when the instructions are executed on a communication device, the communication device executes a method as described in an optional implementation of the first aspect or the second aspect.
  • an embodiment of the present disclosure proposes a program product.
  • the communication device executes the method described in the optional implementation manner of the first aspect or the second aspect.
  • an embodiment of the present disclosure proposes a computer program, which, when executed on a computer, enables the computer to execute the method described in the optional implementation of the first aspect or the second aspect.
  • an embodiment of the present disclosure proposes a chip or a chip system, which includes a processing circuit configured to execute the method described in the optional implementation manner of the first aspect or the second aspect above.
  • the communication equipment can be a terminal or a network device.
  • the embodiments of the present disclosure propose communication methods, devices, communication equipment, communication systems, and storage media.
  • the terms such as communication method, information processing method, and communication method can be replaced with each other, the terms such as device for determining timing advance, information processing device, and communication device can be replaced with each other, and the terms such as information processing system and communication system can be replaced with each other.
  • each step in an embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined.
  • a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged.
  • the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined. For example, part or all of the steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
  • elements expressed in the singular form such as “a”, “an”, “the”, “above”, “said”, “aforementioned”, “this”, etc., may mean “one and only one", or “one or more”, “at least one”, etc.
  • the noun after the article may be understood as a singular expression or a plural expression.
  • plurality refers to two or more.
  • the terms “at least one of”, “at least one of”, “at least one of”, “one or more”, “a plurality of”, “multiple”, etc. can be used interchangeably.
  • descriptions such as “at least one of A, B, C...”, “A and/or B and/or C...”, etc. include the situation where any one of A, B, C... exists alone, and also include the situation where any multiple of A, B, C... exist in any combination, and each situation can exist alone; for example, “at least one of A, B, C” includes the situation where A exists alone, B exists alone, C exists alone, the combination of A and B, the combination of A and C, the combination of B and C, and the combination of A, B and C; for example, A and/or B includes the situation where A exists alone, B exists alone, and the combination of A and B.
  • the description methods such as “in one case A, in another case B", “in response to one case A, in response to another case B”, etc. may include the following technical solutions according to the situation: A is executed independently of B, that is, in some embodiments A; B is executed independently of A, that is, in some embodiments B; A and B are selectively executed, that is, selected from A and B in some embodiments; A and B are both executed, that is, A and B in some embodiments.
  • branches such as A, B, C, etc., it is similar to the above.
  • prefixes such as “first” and “second” in the embodiments of the present disclosure are only used to distinguish different description objects, and do not constitute restrictions on the position, order, priority, quantity or content of the description objects.
  • the statement of the description object refers to the description in the context of the claims or embodiments, and should not constitute unnecessary restrictions due to the use of prefixes.
  • the description object is a "field”
  • the ordinal number before the "field” in the "first field” and the "second field” does not limit the position or order between the "fields”
  • the "first” and “second” do not limit whether the "fields” they modify are in the same message, nor do they limit the order of the "first field” and the "second field”.
  • the description object is a "level”
  • the ordinal number before the "level” in the “first level” and the “second level” does not limit the priority between the "levels”.
  • the number of description objects is not limited by the ordinal number, and can be one or more. Taking the "first device” as an example, the number of "devices” can be one or more.
  • the objects modified by different prefixes may be the same or different. For example, if the description object is "device”, then the “first device” and the “second device” may be the same device or different devices, and their types may be the same or different. For another example, if the description object is "information”, then the "first configuration” and the “second configuration” may be the same information or different information, and their contents may be the same or different.
  • “including A”, “comprising A”, “used to indicate A”, and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
  • terms such as “greater than”, “greater than or equal to”, “not less than”, “more than”, “more than or equal to”, “not less than”, “higher than”, “higher than or equal to”, “not lower than”, and “above” can be replaced with each other, and terms such as “less than”, “less than or equal to”, “not greater than”, “less than”, “less than or equal to”, “no more than”, “lower than”, “lower than or equal to”, “not higher than”, and “below” can be replaced with each other.
  • devices, etc. can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments.
  • Terms such as “device”, “equipment”, “device”, “circuit”, “network element”, “node”, “function”, “unit”, “section”, “system”, “network”, “chip”, “chip system”, “entity”, and “subject” can be used interchangeably.
  • panel "antenna panel”, “antenna array”, “cell”, “macro cell”, “small cell”, “femto cell”, “pico cell”, “sector”, “cell group”, “carrier”, “component carrier”, and “bandwidth part (BWP)” may be used interchangeably.
  • terminal In some embodiments, the terms "terminal”, “terminal device”, “user equipment (UE)”, “user terminal” “mobile station (MS)”, “mobile terminal (MT)", subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client and the like can be used interchangeably.
  • the access network device, the core network device, or the network device can be replaced by a terminal.
  • the various embodiments of the embodiments of the present disclosure can also be applied to a structure in which the communication between the access network device, the core network device, or the network device and the terminal is replaced by communication between multiple terminals (for example, it can also be called device-to-device (D2D), vehicle-to-everything (V2X), etc.).
  • D2D device-to-device
  • V2X vehicle-to-everything
  • languages such as "uplink” and "downlink” can also be replaced by languages corresponding to communication between terminals (for example, "side").
  • an uplink channel, a downlink channel, etc. may be replaced by a sidelink channel, and an uplink, a downlink, etc. may be replaced by a sidelink.
  • terms such as “uplink”, “uplink”, “physical uplink” can be interchangeable, and terms such as “downlink”, “downlink”, “physical downlink” can be interchangeable, and terms such as “side”, “sidelink”, “side communication”, “sidelink communication”, “direct connection”, “direct link”, “direct communication”, “direct link communication” can be interchangeable.
  • DCI downlink control information
  • DL downlink
  • UL uplink
  • UL DCI uplink
  • the terms “physical downlink shared channel (PDSCH)”, “DL data” and the like can be interchangeable with each other, and the terms “physical uplink shared channel (PUSCH)”, “UL data” and the like can be interchangeable with each other.
  • predetermined or “preset” may be interpreted as being pre-specified in a protocol, etc., or may be interpreted as a pre-set action performed by a device, etc.
  • determining can be interpreted as judging, deciding, calculating, computing, processing, deriving, investigating, searching, looking up, searching, inquiring, ascertaining, receiving, transmitting, inputting, outputting, accessing, resolving, selecting, choosing, establishing, comparing, “assuming,” “expecting,” “considering,” broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, assigning, etc., but is not limited to the foregoing.
  • network may be interpreted as devices included in the network (eg, access network equipment, core network equipment, etc.).
  • acquisition of data, information, etc. may comply with the laws and regulations of the country where the data is obtained.
  • data, information, etc. may be obtained with the user's consent.
  • each element, each row, or each column in the table of the embodiments of the present disclosure may be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns may also be implemented as an independent embodiment.
  • FIG1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.
  • a communication system 100 includes a terminal 101 and a network device 102 .
  • the terminal 101 includes, for example, a mobile phone, a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer, a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, and a wireless terminal device in a smart home. At least one of the above, but not limited to this.
  • the network device 102 may include at least one of an access network device and a core network device.
  • the access network device is, for example, a node or device that accesses a terminal to a wireless network.
  • the network device may include an evolved Node B (eNB), a next generation evolved Node B (ng-eNB), a next generation Node B (gNB), a node B (NB), a home node B (HNB), a home evolved node B (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud RAN), a base station in other communication systems, and at least one of an access node in a wireless fidelity (WiFi) system, but is not limited thereto.
  • eNB evolved Node B
  • ng-eNB next generation evolved Node B
  • gNB next generation Node B
  • the technical solutions of the embodiments of the present disclosure may be applicable to the Open RAN architecture.
  • the interfaces between or within network devices involved in the embodiments of the present disclosure may become internal interfaces of Open RAN, and the processes and information interactions between these internal interfaces may be implemented through software or programs.
  • the access network device may be composed of a centralized unit (central unit, CU) and a distributed unit (distributed unit, DU), wherein the CU may also be called a control unit (control unit).
  • the CU-DU structure may be used to split the protocol layers of the network device, with some functions of the protocol layers being centrally controlled by the CU, and the remaining part or all of the functions of the protocol layers being distributed in the DU, which is centrally controlled by the CU, but is not limited to this.
  • the access network device may be one device, or may be a plurality of devices or a group of devices, including all or part of the first network element, the second network element, etc.
  • the network element may be virtual or physical.
  • the network device may include, for example, at least one of an Evolved Packet Core (EPC), a 5G Core Network (5GCN), and a Next Generation Core (NGC).
  • EPC Evolved Packet Core
  • 5GCN 5G Core Network
  • NGC Next Generation Core
  • the core network device may be a device including one or more network elements, or may be multiple devices or device groups, each including all or part of the one or more network elements.
  • the network element may be virtual or physical.
  • the core network may include, for example, at least one of the Evolved Packet Core (EPC), the 5G Core Network (5GCN), and the Next Generation Core (NGC).
  • EPC Evolved Packet Core
  • 5GCN 5G Core Network
  • NGC Next Generation Core
  • the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure.
  • a person of ordinary skill in the art can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.
  • the following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG1 , or part of the subject, but are not limited thereto.
  • the subjects shown in FIG1 are examples, and the communication system may include all or part of the subjects in FIG1 , or may include other subjects other than FIG1 , and the number and form of the subjects are arbitrary, and the connection relationship between the subjects is an example, and the subjects may be connected or disconnected, and the connection may be in any manner, which may be a direct connection or an indirect connection, and may be a wired connection or a wireless connection.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • LTE-B LTE-Beyond
  • SUPER 3G IMT-Advanced
  • 4G the fourth generation mobile communication system
  • 5G 5G new radio
  • FAA Future Radio Access
  • RAT New Radio
  • NR New Radio
  • NX New radio access
  • Future generation radio access 5G and the like.
  • GSM Global System for Mobile communications
  • CDMA2000 Code Division Multiple Access 2000
  • UMB Ultra Mobile Broadband
  • IEEE 802.11 Wi-Fi (registered trademark)
  • IEEE 802.16 WiMAX (registered trademark)
  • IEEE 802.20 Ultra-WideBand (UWB)
  • Bluetooth registered trademark
  • PLMN Public Land Mobile Network
  • D2D Device to Device
  • M2M Machine to Machine to Machine
  • IoT Internet of Things
  • V2X Vehicle-to-Everything
  • V2X Vehicle-to-Everything
  • a number of systems may also be applied in combination (for example, combination of LTE or LTE-A with 5G, and the like).
  • MIMO Multiple Input Multiple Output
  • M-TRP Multiple TRP
  • TRP Transmission Reception Points
  • uplink and downlink time synchronization can be achieved only at one TRP.
  • the two TRPs are usually in different geographical areas, and the distances between the terminal and the two TRPs are different, so there are different transmission delays.
  • uplink and downlink time synchronization cannot be achieved at the other TRP, which will cause ISI (Inter Symbol Interference) between uplink and downlink symbols, thereby causing system performance loss.
  • ISI Inter Symbol Interference
  • the solution provided by the embodiment of the present disclosure determines the TA value pair according to the information indicating the association relationship between the TAG and the preamble or the TA value.
  • the corresponding TAG is identified to distinguish the TAG associated with M-TRP.
  • FIG2 is an interactive schematic diagram of a communication method provided according to an embodiment of the present disclosure. As shown in FIG2 , the communication method is used in a communication system 100, and the method includes:
  • the network device 102 sends at least one of second information and third information to the terminal 101 .
  • terminal 101 receives at least one of the second information and the third information.
  • the terminal may be replaced by an access network device, a core network device, or a network device.
  • the access network device, the core network device, or the network device may also be configured to have a structure that has all or part of the functions of the terminal.
  • the names of information, etc. are not limited to the names recorded in the embodiments, and terms such as “information”, “message”, “signal”, “signaling”, “report”, “configuration”, “indication”, “instruction”, “command”, “channel”, “parameter”, “domain”, “field”, “symbol”, and “data” can be used interchangeably.
  • At least one of the second information and the third information includes first indication information, where the first indication information is used to indicate an association relationship between a preamble and a TAG.
  • the association relationship between the preamble and the TAG may include any of the following:
  • a preamble is associated with one or more TAGs
  • Each of the plurality of preambles is associated with one or more TAGs.
  • the second information is information for establishing a network connection.
  • the second information is information related to Radio Resource Control (RRC) configuration
  • RRC Radio Resource Control
  • exemplary information related to RRC configuration includes, for example, RRC configuration information, but is not limited thereto, and may also be other information related to RRC configuration.
  • radio wireless
  • RAN radio access network
  • AN access network
  • RAN-based and the like
  • the third information is information used to trigger a random access procedure.
  • the third information is information used to send a preamble code.
  • the third information is a physical downlink control channel (PDCCH) order, but is not limited to this, and can also be other information used to trigger a random access process.
  • PDCCH physical downlink control channel
  • the third information also includes information for indicating the TAG identifier.
  • the TAG identifier is indicated by introducing a TAG ID field in the PDCCH command.
  • the PDCCH order indicates the TAG identifier in any of the following ways:
  • the PDCCH command also includes information for indicating a preamble identifier.
  • the preamble identifier is indicated by a random access preamble index (Random Access Preamble index).
  • the first preamble code is indicated by a random access preamble index, for example: a random access preamble index 1 indicates the first preamble code.
  • Terminal 101 sends a first preamble code to network device 102 .
  • terminal 101 sends a preamble to network device 102 according to the preamble identifier indicated in the PDCCH command.
  • the preamble identifier indicated in the PDCCH command is preamble 1
  • terminal 101 sends preamble 1 to network device 102 (which may correspond to the first preamble mentioned above).
  • the network device 102 sends feedback information corresponding to the first preamble code to the terminal 101.
  • the network device 102 sends feedback information corresponding to the preamble code 1 to the terminal 101.
  • the feedback information includes a TA value.
  • the TA value included in the feedback information is one or more.
  • the feedback information includes second indication information, where the second indication information is used to indicate TAG information associated with the TA value.
  • the feedback information includes at least one of the following:
  • the feedback information includes a TA value, and the second indication information indicates one or more TAGs associated with the TA value;
  • the feedback information includes multiple TA values, and the second indication information indicates one or more TAGs associated with each of the multiple TA values.
  • the feedback information includes a TA value
  • the second indication information indicates one or more associated TA values. TAG.
  • the second indication information indicates one or more TAGs associated with the TA value.
  • the second indication information indicates one or more TAGs associated with the TA value;
  • the feedback information includes multiple TA values
  • the second indication information indicates one or more TAGs associated with each of the multiple TA values.
  • the second indication information indicates one or more TAGs associated with each of the multiple TA values.
  • the second indication information indicates one or more TAGs associated with each of the multiple TA values.
  • the feedback information includes a TA value, and the second indication information indicates one or more TAGs associated with the TA value; the feedback information includes multiple TA values, and the second indication information indicates one or more TAGs associated with each of the multiple TA values.
  • the second indication information indicates one or more TAGs associated with the TA value; when the feedback information includes multiple TA values, the second indication information indicates one or more TAGs associated with each of the multiple TA values.
  • the second indication information indicates one or more TAGs associated with the TA value; when the feedback information includes multiple TA values, the second indication information indicates one or more TAGs associated with each of the multiple TA values.
  • the determination or judgment can be performed by a value represented by 1 bit (0 or 1), by a true or false value (Boolean value) represented by true or false, or by comparison of numerical values (for example, comparison with a predetermined value), but is not limited to this.
  • the TAG information corresponding to the TA value can be indicated in the feedback information corresponding to the first preamble code.
  • the feedback information may be a random access response message (Random Access Response, RAR).
  • RAR Random Access Response
  • the RAR includes any one of the following information: 4-step RACH Msg2 RAR, 2-step RACH, MsgB fallback RAR, 2-step RACH MsgB success RAR.
  • the feedback information may be included in a Timing Advance Command MAC CE (TAC MAC CE).
  • TAC MAC CE Timing Advance Command MAC CE
  • the feedback information also includes: fifth information corresponding to the TA value, and the fifth information is used to indicate a TAG among the multiple TAGs associated with the preamble code.
  • the second indication information indicates multiple TAGs associated with a TA value
  • the feedback information further includes: fourth information corresponding to the TA value, where the fourth information is used to indicate one TAG among the multiple TAGs associated with the TA value.
  • the terminal 101 determines a TAG corresponding to the TA value in the feedback information according to at least one of the second information, the third information and the feedback information.
  • a TAG corresponding to the TA value in the feedback information is determined.
  • step S201 can be omitted.
  • the feedback information including the second indication information is first information related to the TAG, and the second indication information is used to indicate TAG information associated with the TA value.
  • the indication method of the TAG information associated with the TA value includes any of the following:
  • the second indication information is used to indicate TAG information associated with the TA value received by the terminal.
  • the TAG corresponding to the TA value in the feedback information is determined according to the second indication information included in the feedback information.
  • the feedback information includes a TAG associated with the TA value, and the terminal 101 determines that the TAG corresponding to the TA value is the TAG included in the feedback information.
  • the feedback information includes the TA value 1 and TAG1 corresponding to the TA value 1, and the terminal 101 determines that the TAG corresponding to the TA value 1 is TAG1, that is, the TA value 1 is used for its corresponding TAG1.
  • the feedback information includes TA value 1, TA value 2, and TAG1 corresponding to TA value 1 and TAG2 corresponding to TA value 2.
  • TAG3 the terminal 101 determines that the TAG corresponding to the TA value 1 is TAG1, and the TAG corresponding to the TA value 2 is TAG5, that is, the TA value 1 is used for its corresponding TAG1, and the TA value 2 is used for its corresponding TAG5.
  • the feedback information includes multiple TAGs associated with the TA value, and the terminal 101 determines that the TAG corresponding to the TA value is the TAG indicated by the fourth information.
  • the fourth information is used to indicate one TAG among the multiple TAGs associated with the TA value.
  • the feedback information includes TA value 1, TAG1 and TAG2 corresponding to TA value 1, and fourth information (for example, indicating TA-associated TAG2), then terminal 101 determines that the TAG corresponding to TA value 1 is TAG2, that is, TA value 1 is used for its corresponding TAG2.
  • the determination of the TAG corresponding to the TA value can be achieved through the above optional implementation scheme.
  • the determination of the TAG corresponding to the TA value can be implemented through the following optional implementation scheme.
  • the second information including the first indication information is first information related to the TAG.
  • the third information including the first indication information is the first information related to the TAG.
  • the second information and the third information including the first indication information are first information related to the TAG.
  • the TAG corresponding to the TA value in the feedback information is determined according to the first indication information included in the second information or the third information.
  • the terminal 101 determines that the TAG corresponding to the TA value is the TAG associated with the preamble code.
  • the terminal 101 determines that the TAG corresponding to the TA value (for example, the TA value 1 included in the feedback information) is TAG4 associated with the preamble code 1, that is, the TA value 1 is used for TAG4 associated with the preamble code 1.
  • the TAG corresponding to the TA value for example, the TA value 1 included in the feedback information
  • the terminal 101 determines that the TAG corresponding to the TA value is the TAG indicated by the fifth information.
  • the fifth information is used to indicate a TAG among the multiple TAGs associated with the first preamble code.
  • the terminal 101 determines that the TAG corresponding to the TA value 1 is TAG3, that is, the TA value 1 is used for TAG3 associated with the preamble code 1 indicated by the fifth information.
  • the terminal 101 determines that the TAG corresponding to the TA value is the TAG associated with the preamble code, and the TAG is consistent with the TAG indicated by the TAG ID.
  • the third information is a PDCCH command, which also includes a TAG ID.
  • the terminal 101 determines that the TAG corresponding to the TA value (TA value 1 in the feedback information) is TAG1, and the TAG indicated by the TAG ID is TAG1. If the preamble 1 is associated with a TAG TAG1 and TAG2, the terminal 101 determines that the TAG corresponding to the TA value 1 is TAG1 indicated by the fifth information, and the TAG indicated by the TAG ID is TAG1.
  • the TAG corresponding to the TA value in the feedback information is determined according to the first indication information included in the second information and the third information.
  • the TAG corresponding to the TA value is determined according to the priority.
  • the priority may be a first priority associated with the second information and the third information.
  • the first priority may be specified by a protocol, a network configuration, a high-level configuration, or a terminal setting, which is not limited in this embodiment. It should be understood that the first priority is not limited to this, and may also be other information acquisition methods.
  • the terminal 101 determines the TAG corresponding to the TA value according to the association relationship between the preamble code indicated by the first indication information included in the second information and the TAG.
  • the terminal 101 determines the TAG corresponding to the TA value according to the association relationship between the preamble code indicated by the first indication information included in the third information and the TAG.
  • the terminal 101 determines that the TAG corresponding to the TA value is the TAG associated with the preamble code.
  • the terminal 101 determines that the TAG corresponding to the TA value is the TAG indicated by the fifth information.
  • the fifth information is used to indicate a TAG among the multiple TAGs associated with the first preamble code.
  • the TAG corresponding to the TA value may be determined by the following optional implementation scheme.
  • the third information and the feedback information according to the second information and the feedback information, or according to the third information and the feedback information, or according to the second information, the third information and the feedback information, and determine the TAG corresponding to the TA value.
  • the terminal 101 determines the TAG corresponding to the TA value according to the priority.
  • the priority may be a second priority associated with the first indication information and the second indication information.
  • the second priority may be specified by a protocol, a network configuration, a high-level configuration, or a terminal setting, which is not limited in this embodiment. It should be understood that the second priority is not limited to this, and may also be other information acquisition methods.
  • the terminal determines the implementation scheme of the TAG corresponding to the TA value. It can refer to the scheme for determining the TAG corresponding to the TA value when the first information includes the first indication information in the above embodiment. For the sake of brevity of description, it will not be repeated here.
  • the terminal determines the implementation scheme of the TAG corresponding to the TA value. It can refer to the scheme for determining the TAG corresponding to the TA value when the first information includes the second indication information in the above embodiment. For the sake of brevity of description, it will not be repeated here.
  • a TAG ID may be introduced in the feedback information to indicate two TAGs associated with the M-TRP.
  • the two tags associated with M-TRP include: TAG1 and TAG2, if TAG ID is 0, it indicates that M-TRP is associated with TAG1, and if TAG ID is 1, it indicates that M-TRP is associated with TAG2. Alternatively, if TAG ID is 1, it indicates that M-TRP is associated with TAG1, and if TAG ID is 0, it indicates that M-TRP is associated with TAG2.
  • the terminal 101 determines that the TAG corresponding to the TA value is the TAG associated with the preamble code, and the TAG is consistent with the TAG indicated by the TAG ID included in the feedback information.
  • the terminal 101 determines that the TAG corresponding to the TA value 1 is the preamble code associated TAG1, that is, the TA value 1 is used for the preamble code associated TAG1.
  • the terminal 101 determines that the TAG corresponding to the TA value is the TAG associated with the preamble code, and the TAG is consistent with the TAG indicated by the TAG ID included in the feedback information.
  • the terminal 101 determines that the TAG corresponding to the TA value 1 is the preamble code associated TAG2, that is, the TA value 1 is used for the preamble code associated TAG2.
  • the terminal 101 determines that the TAG corresponding to the TA value is the TAG associated with the TA value, and the TAG is consistent with the TAG indicated by the TAG ID included in the feedback information.
  • the terminal 101 determines that the TAG corresponding to the TA value 1 is TAG2 associated with the preamble code, that is, the TA value 1 is used for TAG2 associated with the preamble code.
  • 1 bit can be used to indicate the TAG ID.
  • the specific structure can be seen in Table 1 below:
  • the specific structure can be seen in Table 2 below:
  • the specific structure can be seen in Table 3 below:
  • the specific structure may be referred to in the following Table 4:
  • determining can be interpreted as judging, determining, calculating, computing, processing, deriving, ascertaining, selecting, choosing, comparing, "assuming", “expecting”, “considering”, broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, assigning, etc., but is not limited to this.
  • step S204 may be implemented as an independent embodiment
  • steps S201 and S204 may be implemented as independent embodiments
  • steps S202 and S203 may be implemented as independent embodiments
  • steps S201, S202, S203 and S204 may be implemented as independent embodiments
  • steps S203 and S204 may be implemented as independent embodiments, but are not limited thereto.
  • steps S201 and S202 may be performed in an exchanged order or simultaneously.
  • steps S202 and S203 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S201 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • FIG3a is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG3a, the communication method can be executed by a terminal 101, and the method includes:
  • step S301 can refer to the optional implementation of step S201 in FIG. 2 and other related parts in the embodiment involved in FIG. 2 , which will not be described in detail here.
  • the terminal 101 receives at least one of the second information and the third information sent by the network device 102, but is not limited thereto and may also receive at least one of the second information and the third information sent by other entities, protocols or higher layers.
  • obtain can be interchangeable, and can be interpreted as receiving from other entities, obtaining from a protocol, obtaining by self-processing, autonomous implementation, etc.
  • the terminal 101 receives information related to the RRC configuration sent by the network device 102, for example, RRC configuration information, where the RRC configuration information includes first indication information for indicating an association relationship between the preamble code and the TAG.
  • the terminal 101 receives downlink information sent by the network device 102, for example, a PDCCH command, where the PDCCH command includes first indication information for indicating an association relationship between a preamble code and a TAG.
  • S302 Send a first preamble code.
  • the first preamble is sent to the network device 102, but is not limited thereto, and the first preamble may also be sent to other entities.
  • step S302 can refer to the optional implementation of step S202 in FIG. 2 and other related parts in the embodiment involved in FIG. 2 , which will not be described in detail here.
  • S303 Receive feedback information corresponding to the first preamble code.
  • feedback information corresponding to the first preamble code sent by the network device 102 is received, but not limited thereto, and feedback information corresponding to the first preamble code sent by other entities may also be received.
  • step S303 can refer to the optional implementation of step S203 in FIG. 2 and other related parts in the embodiment involved in FIG. 2 , which will not be described in detail here.
  • the feedback information includes second indication information for indicating TAG information associated with the TA value.
  • S304 Determine a TAG corresponding to the TA value in the feedback information according to at least one of the second information, the third information and the feedback information.
  • step S304 can refer to the optional implementation of step S204 in FIG. 2 and other related parts in the embodiment involved in FIG. 2 , which will not be described in detail here.
  • step S304 may be implemented as an independent embodiment
  • steps S301 and S304 may be implemented as independent embodiments
  • steps S302 and S303 may be implemented as independent embodiments
  • steps S301, S302, S303 and S304 may be implemented as independent embodiments
  • steps S303 and S304 may be implemented as independent embodiments, but are not limited thereto.
  • steps S301 and S302 may be performed in an exchanged order or simultaneously.
  • steps S302 and S303 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S301 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • FIG3b is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG3b, the communication method can be executed by the terminal 101, and the method includes:
  • the first information includes at least one of first indication information and second indication information, wherein the first indication information is used to indicate the association relationship between the preamble code and the TAG, and the second indication information is used to indicate the TAG information associated with the TA value.
  • step S311 can refer to step S201 in FIG. 2 , the optional implementation of step S301 in FIG. 3 a , and other related parts in the embodiments involved in FIG. 2 and FIG. 3 a , which will not be described in detail here.
  • step S311 can refer to step S203 of Figure 2, the optional implementation of step S303 of Figure 3a, and other related parts in the embodiments involved in Figures 2 and 3a, which will not be repeated here.
  • the first indication information is included in at least one of the second information and the third information, wherein the second information is information for establishing a network connection, and the third information is information for triggering a random access procedure;
  • the second indication information is included in the feedback information corresponding to the first preamble code, wherein the first preamble code is a preamble code in the preamble code indicated by the preamble code identifier included in the third information.
  • the first preamble is a preamble indicated by a preamble identifier included in the third information.
  • the indication method of the TAG information associated with the TA value includes any of the following:
  • the first information includes the second indication information
  • step S312 may include: determining that the TAG corresponding to the TA value is the TAG included in the feedback information.
  • the feedback information further includes fourth information corresponding to the TA value, and the fourth information is used to indicate one TAG among multiple TAGs associated with the TA value.
  • the first information includes the second indication information. If the feedback information includes multiple TAGs associated with the TA value, step S312 may include: determining that the TAG corresponding to the TA value is the TAG indicated by the fourth information.
  • the first information includes first indication information. If the association relationship between the preamble code and the TAG indicated by the first indication information includes the first preamble code being associated with a TAG, step S312 may include: determining that the TAG corresponding to the TA value is the TAG associated with the preamble code.
  • the feedback information also includes fifth information corresponding to the TA value, and the fifth information is used to indicate one TAG among multiple TAGs associated with the preamble code.
  • the first information includes first indication information. If the association relationship between the preamble code and the TAG indicated by the first indication information includes the first preamble code being associated with multiple TAGs, step S312 may include: determining that the TAG corresponding to the TA value is the TAG indicated by the fifth information.
  • the third information further includes information for indicating a TAG identifier, and indicates the TAG identifier in any of the following ways:
  • a 1-bit field is used to indicate one of the two TAG identifiers associated with the M-TRP;
  • a 2-bit field is used to indicate two TAG identifiers associated with the M-TRP.
  • the feedback information is a random access response message, or the feedback information is included in a timing advance command medium access control-control unit.
  • the random access response message includes any one of the following information: 4-step RACH Msg2 RAR, 2-step RACH, MsgB fallback RAR, 2-step RACH MsgB success RAR.
  • step S312 the following steps may be further included before step S312:
  • S313 Receive feedback information corresponding to the first preamble code, where the feedback information includes a TA value.
  • step S310 can refer to step S202 of FIG. 2 , the optional implementation of step S302 of FIG. 3 a , and other related parts in the embodiments involved in FIG. 2 and FIG. 3 a , which will not be described in detail here.
  • step S313 can refer to step S203 in FIG. 2 , the optional implementation of step S303 in FIG. 3 a , and other related parts in the embodiments involved in FIG. 2 and FIG. 3 a , which will not be described in detail here.
  • step S312 may be implemented as an independent embodiment
  • steps S311 and S312 may be implemented as independent embodiments
  • steps S310 and S313 may be implemented as independent embodiments
  • steps S311, S310, S313 and S312 may be implemented as independent embodiments
  • steps S313 and S312 may be implemented as independent embodiments, but are not limited thereto.
  • steps S311 and S310 may be performed in an interchangeable order or simultaneously.
  • steps S310 and S313 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S311 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • FIG3c is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG3c, the communication method can be executed by the terminal 101, and the method includes:
  • the first information includes first indication information and second indication information, wherein the first indication information is used to indicate the association relationship between the preamble code and the TAG, and the second indication information is used to indicate the TAG information associated with the TA value.
  • step S321 can refer to steps S201 and S203 of Figure 2, the optional implementation of steps S301 and S303 of Figure 3a, and other related parts in the embodiments involved in Figures 2 and 3a, which will not be repeated here.
  • the priority may be specified by a protocol, a network configuration, a high-level configuration, or a terminal setting, and this application does not impose any limitation on this.
  • step S322 can refer to step S204 of Figure 2.
  • step S304 of Figure 3a the scheme for determining the TAG corresponding to the TA value when the first information includes the first indication information, and other related parts in the embodiments involved in Figures 2 and 3a are not repeated here for the sake of brevity.
  • the implementation scheme of step S322 can refer to step S204 of Figure 2.
  • the scheme for determining the TAG corresponding to the TA value when the first information includes the second indication information, and other related parts in the embodiments involved in Figures 2 and 3a are not repeated here for the sake of brevity of description.
  • FIG3d is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG3d , the communication method can be executed by the terminal 101, and the method includes:
  • the TAG to which the TA value corresponds is determined.
  • the TAG is determined based on the first information.
  • the TAG corresponding to the TA value is determined according to the first information.
  • step S331 can refer to the optional implementation of step S204 in Figure 2, step S304 in Figure 3a, step S312 in Figure 3b, step S322 in Figure 3c, and other related parts in the embodiments involved in Figures 2 and 3a-3c, which will not be repeated here.
  • FIG4a is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG4b , the method involved in the embodiment of the present disclosure is executed by the network device 102, and the method includes:
  • S401 Send at least one of the second information and the third information.
  • step S401 can refer to the optional implementation of step S201 in FIG. 2 and other related parts in the embodiment involved in FIG. 2 , which will not be described in detail here.
  • At least one of the second information and the third information is sent to the terminal 101, but not limited thereto, and at least one of the second information and the third information may also be sent to other entities.
  • S402 Receive a first preamble code.
  • the first preamble code sent by the receiving 101 is received, but not limited to this, and the first preamble code sent by other entities can also be received.
  • step S402 can refer to the optional implementation of step S202 in FIG. 2 , the optional implementation of step S302 in FIG. 3 a , and other related parts in the embodiments involved in FIG. 2 and FIG. 3 a , which will not be described in detail here.
  • S403 Send feedback information corresponding to the first preamble code.
  • the feedback information corresponding to the first preamble code is sent to the terminal 101, but not limited thereto, and the feedback information corresponding to the first preamble code may also be sent to other entities.
  • step S303 can refer to the optional implementation of step S203 in Figure 2, the optional implementation of step S303 in Figure 3a, and other related parts in the embodiments involved in Figures 2 and 3a, which will not be repeated here.
  • steps S401 and S402 may be performed in an exchanged order or simultaneously.
  • step S401 may be implemented as an independent embodiment
  • steps S402 and S403 may be implemented as independent embodiments
  • steps S401, S402 and S403 may be implemented as independent embodiments, but are not limited thereto.
  • steps S402 and S403 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • FIG4b is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG4b, the method involved in the embodiment of the present disclosure is executed by the network device 102, and the method includes:
  • Step S411 sending the first information.
  • the first information includes at least one of first indication information and second indication information, wherein the first indication information is used to indicate the association relationship between the preamble code and the TAG, and the second indication information is used to indicate TAG information associated with the TA value.
  • step S411 can refer to the optional implementation of step S201 in Figure 2, step S301 in Figure 3a, step S311 in Figure 3b, step S321 in Figure 3c, and other related parts in the embodiments involved in Figure 2 and Figures 3a to 3c, which will not be repeated here.
  • step S411 can refer to the optional implementation methods of step S203 in Figure 2, step S303 in Figure 3a, step S311 in Figure 3b, step S321 in Figure 3c, and other related parts in the embodiments involved in Figures 2 and 3a to 3c, which will not be repeated here.
  • the access network device 102 sends the first information to the terminal 101, but is not limited thereto, and the first information may also be sent to other entities.
  • the first information is used by the terminal 101 to determine the TAG corresponding to the TA value.
  • the terminal 101 please refer to the optional implementation of step S204 in FIG2 and other related parts in the embodiment involved in FIG2, which will not be described in detail here.
  • the first indication information is included in at least one of the second information and the third information
  • the second indication information is included in feedback information corresponding to the first preamble code, wherein the first preamble code is a preamble code in the preamble code indicated by the preamble code identifier included in the third information.
  • the indication method of the TAG information associated with the TA value includes any one of the following:
  • the first information includes the second indication information
  • the feedback information includes a TAG associated with the TA value
  • the TAG included in the feedback information is determined to be the TAG corresponding to the TA value.
  • the feedback information further includes fourth information, and the fourth information is used to indicate one TAG among multiple TAGs associated with the TA value.
  • the first information includes the second indication information
  • the feedback information includes multiple TAGs associated with the TA value
  • the TAG indicated by the fourth information is determined to be the TAG corresponding to the TA value.
  • the first information includes the first indication information, and the association relationship between the preamble code and the TAG indicated by the first indication information is that the preamble code is associated with a TAG, and the TAG associated with the preamble code is determined to be the TAG corresponding to the TA value.
  • the feedback information also includes fifth information corresponding to the TA value, and the fifth information is used to indicate one TAG among multiple TAGs associated with the preamble code.
  • the first information includes the first indication information
  • the association relationship between the preamble code indicated by the first indication information and the TAG is that the preamble code is associated with multiple TAGs
  • the TAG indicated by the fifth information is determined to be the TAG corresponding to the TA value.
  • the first information includes the first indication information and the second indication information, and the TAG corresponding to the TA value is determined according to the priority.
  • the PDCCH command further includes information for indicating a TAG identifier, and the TAG identifier is indicated in any of the following ways:
  • a 1-bit field is used to indicate one of the two TAG identifiers associated with the M-TRP;
  • a 2-bit field is used to indicate two TAG identifiers associated with the M-TRP.
  • S413 Send feedback information corresponding to the first preamble code, where the feedback information carries a TA value.
  • the second indication information is included in feedback information corresponding to the first preamble code.
  • the feedback information is a random access response message, and the feedback information is included in a timing advance command medium access control-control unit.
  • step S412 can refer to step S202 of FIG. 2 , the optional implementation of step S302 of FIG. 3 a , and other related parts in the embodiments involved in FIG. 2 and FIG. 3 a , which will not be described in detail here.
  • step S413 can refer to step S203 of FIG. 2 , the optional implementation of step S303 of FIG. 3 a , and other related parts in the embodiments involved in FIG. 2 and FIG. 3 a , which will not be described in detail here.
  • FIG5 is a flow chart of a communication method according to an embodiment of the present disclosure. As shown in FIG5, the method involved in the embodiment of the present disclosure is used in a communication system 100, and the method includes:
  • Step S501 The network device sends first information to the terminal.
  • step S501 reference may be made to step S201 of FIG. 2 , step S301 of FIG. 3a , step S311 of FIG. 3b , step S321 of FIG. 3c , step S401 of FIG. 4a , and step S411 of FIG. 4b , as well as other related parts in the embodiments involved in FIG. 2 , FIG. 3a to FIG. 3c , and FIG. 4a and FIG. 4b , which will not be described in detail here.
  • step S501 can refer to the optional implementation methods of step S203 of Figure 2, step S303 of Figure 3a, step S313 of Figure 3b, step S321 of Figure 3c, step S403 of Figure 4a, step S411 of Figure 4b, and other related parts in the embodiments involved in Figure 2, Figures 3a to 3c, and Figures 4a and 4b, which will not be repeated here.
  • Step S502 The terminal determines the TAG corresponding to the TA value according to the acquired first information.
  • step S502 can refer to the optional implementation methods of step S204 in Figure 2, step S304 in Figure 3a, step S312 in Figure 3b, step S322 in Figure 3c, step S331 in Figure 3d, and other related parts in the embodiments involved in Figures 2 and 3a to 3d, which will not be repeated here.
  • the above method may include the method described in the above embodiments of the communication system side, terminal side, network equipment side, core network equipment side, etc., which will not be repeated here.
  • the present disclosure also provides an optional implementation scheme, in which the terminal uses the received TA value for the corresponding TAG according to the association relationship between the TAG and the TA value or the preamble indicated by the network.
  • the indication method of the "association relationship between the TAG and the TA value or the preamble" includes any one of the following:
  • Method 1 RRC configures the association between preamble and TAG.
  • the association relationship between the preamble and the TAG includes: one preamble is associated with one or more TAGs, for example: preamble#1 can be associated with two TAGs at the same time.
  • the association relationship between the preamble and the TAG includes: each preamble in the plurality of preambles is associated with one or more TAGs.
  • “using the received TA value for the corresponding TAG” may be implemented by the following steps:
  • Step 11 RRC configures the association between preamble and TAG.
  • Step 12 The terminal sends preamble #1 (which may correspond to the first preamble code mentioned above) according to the preamble identifier indicated by the PDCCH order.
  • the PDCCH order indicates the preamble identifier through the random access preamble index (Random Access Preamble index).
  • Step 13 The terminal receives feedback information corresponding to preamble #1.
  • the feedback information may be a Random Access Response (RAR) message
  • RAR Random Access Response
  • the RAR message may include any of the following:
  • the feedback information may be included in a Timing Advance Command MAC CE (TAC MAC CE).
  • TAC MAC CE Timing Advance Command MAC CE
  • Step 14 The terminal uses the TA value in the feedback information for the TAG associated with the preamble #1.
  • the terminal applies the TA value in any of the following ways:
  • Method 1 If one preamble is associated with one TAG, the terminal uses the TA value included in the feedback information corresponding to the preamble #1 for the TAG associated with the preamble.
  • Method 2 If one preamble is associated with multiple TAGs, according to the TAG indication information corresponding to the TA value contained in the "feedback information corresponding to preamble #1", the terminal uses the TA value contained in the feedback information corresponding to the preamble #1 for the TAG indicated by the "TAG indication information”.
  • Method 2 PDCCH order indicates the association between preamble and TAG.
  • the association relationship between the preamble and the TAG includes: one preamble is associated with one or more TAGs, for example: preamble#1 can be associated with two TAGs at the same time.
  • the association relationship between the preamble and the TAG includes: each preamble in the plurality of preambles is associated with one or more TAGs.
  • “using the received TA value for the corresponding TAG” may be implemented by the following steps:
  • Step 21 The terminal sends preamble #1 (which may correspond to the first preamble code mentioned above) according to the preamble identifier indicated by the PDCCH order.
  • the PDCCH order indicates the preamble identifier through the random access preamble index (Random Access Preamble index).
  • the PDCCH order also indicates the TAG identifier through the TAD ID.
  • the PDCCH order indicates the TAG identifier in any of the following ways:
  • Method 2-1 Use a 2-bit field to indicate all TAG IDs
  • Mode 2-2 Use a 1-bit field to indicate one of the two TAG IDs associated with the M-TRP;
  • Method 2-3 Use multiple bit fields to indicate multiple TAG IDs. For example, use a 4-bit field to indicate 2 complete TAG IDs, or use a 2-bit field to indicate two TAG IDs associated with M-TRP.
  • Step 22 The terminal receives feedback information corresponding to preamble #1.
  • the feedback information may be a Random Access Response (RAR) message
  • RAR Random Access Response
  • the RAR message may include any of the following:
  • the feedback information may be included in a Timing Advance Command MAC CE (TAC MAC CE).
  • TAC MAC CE Timing Advance Command MAC CE
  • Step 23 The terminal uses the TA value in the feedback information for the TAG associated with the preamble #1.
  • the terminal applies the TA value in any of the following ways:
  • Method 1 If one preamble is associated with one TAG, the terminal uses the TA value included in the feedback information corresponding to the preamble #1 for the TAG associated with the preamble.
  • Method 2 If one preamble is associated with multiple TAGs, according to the TAG indication information corresponding to the TA value contained in the "feedback information corresponding to preamble #1", the terminal uses the TA value contained in the feedback information corresponding to the preamble #1 for the TAG indicated by the "TAG indication information”.
  • the feedback information corresponding to preamble#1 indicates the TAG information corresponding to the TA value.
  • the TAG information corresponding to the TA value shall be indicated in the feedback information corresponding to preamble#1.
  • “using the received TA value for the corresponding TAG” may be implemented by the following steps:
  • Step 31 The terminal sends preamble #1 (which may correspond to the first preamble code mentioned above) according to the preamble identifier indicated by the PDCCH order.
  • the PDCCH order indicates the preamble identifier through the random access preamble index (Random Access Preamble index).
  • Step 32 The terminal receives feedback information corresponding to the preamble #1.
  • the feedback information may be a Random Access Response (RAR) message
  • RAR Random Access Response
  • the RAR message may include any of the following:
  • the feedback information may be included in a Timing Advance Command MAC CE (TAC MAC CE).
  • TAC MAC CE Timing Advance Command MAC CE
  • Step 33 According to the TAG information indicated by the feedback information, the terminal uses the TA value in the feedback information for the TAG indicated by the feedback information.
  • TAG information corresponding to the TA value may be included in the "feedback information corresponding to preamble #1".
  • the indication method of the "TAG information corresponding to the TA value" includes any one of the following:
  • One "feedback information corresponding to preamble #1" contains one TA value, wherein the TA value may be associated with one or more TAGs.
  • One "feedback information corresponding to preamble #1" includes multiple TA values (eg, 2 TA values), wherein each TA value can be associated with one or more TAGs.
  • the terminal uses the TA value contained in the feedback information corresponding to the preamble #1 for the TAG indicated by the "TAG indication information”.
  • the embodiments of the present disclosure also propose a device for implementing any of the above methods, for example, a device is proposed, the above device includes a unit or module for implementing each step performed by the terminal in any of the above methods.
  • a device is also proposed, including a unit or module for implementing each step performed by a network device (such as an access network device, a core network function node, a core network device, etc.) in any of the above methods.
  • a network device such as an access network device, a core network function node, a core network device, etc.
  • the division of the units or modules in the above device is only a division of logical functions, which can be fully or partially integrated into one physical entity or physically separated in actual implementation.
  • the units or modules in the device can be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and instructions are stored in the memory.
  • the processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory inside the device or a memory outside the device.
  • CPU central processing unit
  • microprocessor a microprocessor
  • the units or modules in the device may be implemented in the form of hardware circuits, and the functions of some or all of the units or modules may be realized by designing the hardware circuits.
  • the above hardware circuits may be understood as one or more processors.
  • the above hardware circuit is an application-specific integrated circuit (ASIC), and the functions of some or all of the above units or modules are realized by designing the logical relationship of components within the circuit.
  • the above hardware circuit may be realized by a programmable logic device (PLD).
  • PLD programmable logic device
  • FPGA field programmable gate array
  • it may include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by a configuration file, thereby realizing the functions of some or all of the above units or modules.
  • All units or modules of the above devices can be implemented in the form of software called by the processor, or in the form of hardware circuits, or partially in the form of software called by the processor, and the remaining part in the form of hardware circuits.
  • the processor is a circuit with signal processing capability.
  • the processor can be a circuit with instruction reading and running capability, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP); in another implementation, the processor can implement certain functions through the logical relationship of the hardware circuit, and the logical relationship of the above hardware circuit is fixed or reconfigurable, such as a hardware circuit implemented by a processor as an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the process of the processor loading a configuration document to implement the hardware circuit configuration can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules.
  • it can also be a hardware circuit designed for artificial intelligence, which can be understood as ASIC, such as Neural Network Processing Unit (NPU), Tensor Processing Unit (TPU), Deep Learning Processing Unit (DPU), etc.
  • ASIC Neural Network Processing Unit
  • NPU Neural Network Processing Unit
  • TPU Tensor Processing Unit
  • DPU Deep Learning Processing Unit
  • FIG6a is a structural schematic diagram 1 of a device for determining a timing advance value proposed in an embodiment of the present disclosure.
  • the device 610 includes: a processing module 611, configured to determine a timing advance value group TAG corresponding to a timing advance TA value according to first information; wherein the first information includes at least one of first indication information and second indication information, wherein the first indication information is used to indicate an association relationship between a preamble code and a TAG, and the second indication information is used to indicate TAG information associated with the TA value.
  • the processing module is configured to execute steps related to determining the TAG corresponding to the TA value performed by the terminal 101 in any of the above methods, for example, step 204 shown in FIG. 2 , which will not be described again.
  • the device 610 also includes a first transceiver module 612, which is configured to execute steps related to sending a first preamble code and receiving feedback information corresponding to the first preamble code performed by the terminal 101 in any of the above methods, for example: at least one of steps 201-203 shown in Figure 2, which are not repeated here.
  • a first transceiver module 612 which is configured to execute steps related to sending a first preamble code and receiving feedback information corresponding to the first preamble code performed by the terminal 101 in any of the above methods, for example: at least one of steps 201-203 shown in Figure 2, which are not repeated here.
  • FIG6b is a second structural diagram of the apparatus for determining the timing advance amount proposed in an embodiment of the present disclosure.
  • the apparatus 620 includes: a second transceiver module 621, configured to send first information to a terminal, wherein the first information includes at least one of first indication information and second indication information, wherein the first indication information is used to indicate the association relationship between the preamble and the TAG, and the second indication information is used to indicate the TAG information associated with the TA value.
  • the second transceiver module is configured to execute steps related to sending the first information executed by the network device 102 in any of the above methods, for example, step 201 shown in FIG. 2 , which will not be repeated here.
  • the second transceiver module is also configured to execute steps related to receiving a first preamble code and sending feedback information corresponding to the first preamble code performed by the network device 102 in any of the above methods, for example: at least one of step 202 and step 203 shown in Figure 2, which will not be repeated here.
  • the device 620 may further include a processing module configured to execute configuration of an association relationship between a TA value or a preamble code and a TAG.
  • FIG7a is a schematic diagram of the structure of a communication device 7100 proposed in an embodiment of the present disclosure.
  • the communication device 7100 may be a network device (e.g., an access network device, a core network device, etc.), or a terminal (e.g., a user device, etc.), or a chip, a chip system, or a processor that supports a network device to implement any of the above methods, or a chip, a chip system, or a processor that supports a terminal to implement any of the above methods.
  • the communication device 7100 may be used to implement the method described in the above method embodiment, and the details may refer to the description in the above method embodiment.
  • the communication device 7100 includes one or more processors 7101.
  • the processor 7101 may be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit.
  • the baseband processor may be used to process the communication protocol and the communication data
  • the central processing unit may be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute a program, and process the data of the program.
  • the processor 7101 is used to call instructions so that the communication device 7100 executes any of the above methods.
  • the communication device 7100 further includes one or more memories 7102 for storing instructions.
  • the memory 7102 may also be outside the communication device 7100.
  • the communication device 7100 further includes one or more transceivers 7103.
  • the communication steps such as sending and receiving in the above method are executed by the transceiver 7103, and the other steps are executed by the processor 7101.
  • the transceiver may include a receiver and a transmitter, and the receiver and the transmitter may be separate or integrated.
  • the terms such as transceiver, transceiver unit, transceiver, transceiver circuit, etc. may be replaced with each other, the terms such as transmitter, transmission unit, transmitter, transmission circuit, etc. may be replaced with each other, and the terms such as receiver, receiving unit, receiver, receiving circuit, etc. may be replaced with each other.
  • the communication device 7100 further includes one or more interface circuits 7104, which are connected to the memory 7102.
  • the interface circuit 7104 can be used to receive signals from the memory 7102 or other devices, and can be used to send signals to the memory 7102 or other devices.
  • the interface circuit 7104 can read instructions stored in the memory 7102 and send the instructions to the processor 7101.
  • the communication device 7100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 7100 described in the embodiments of the present disclosure is not limited thereto, and the structure of the communication device 7100 may not be limited by FIG. 7a.
  • the communication device may be an independent device or may be part of a larger device.
  • the communication device may be: 1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, a vehicle-mounted device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.
  • Fig. 7b is a schematic diagram of the structure of a chip 7200 provided in an embodiment of the present disclosure.
  • the communication device 7100 may be a chip or a chip system
  • the chip 7200 includes one or more processors 7201, and the processor 7201 is used to call instructions so that the chip 7200 executes any of the above methods.
  • the chip 7200 further includes one or more interface circuits 7202, which are connected to the memory 7203.
  • the interface circuit 7202 can be used to receive signals from the memory 7203 or other devices, and the interface circuit 7202 can be used to send signals to the memory 7203 or other devices.
  • the interface circuit 7202 can read instructions stored in the memory 7203 and send the instructions to the processor 7201.
  • the terms such as interface circuit, interface, transceiver pin, and transceiver can be replaced with each other.
  • the chip 7200 further includes one or more memories 7203 for storing instructions.
  • the memory 7203 may be outside the chip 7200.
  • the embodiment of the present disclosure also proposes a storage medium, on which instructions are stored, and when the instructions are executed on the communication device 7100, the communication device 7100 executes any of the above methods.
  • the storage medium is an electronic storage medium.
  • the storage medium is a computer-readable storage medium, but is not limited to this, and it can also be a storage medium readable by other devices.
  • the storage medium can be a non-transitory storage medium, but is not limited to this, and it can also be a temporary storage medium.
  • the present disclosure also proposes a program product, which, when executed by the communication device 7100, enables the communication device 7100 to execute any of the above methods.
  • the program product is a computer program product.
  • the present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to execute any one of the above methods.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Les modes de réalisation de la présente divulgation se rapportent au domaine technique des communications. L'invention concerne un procédé, un dispositif et un système de communication, ainsi qu'un support de stockage lisible par ordinateur. Le procédé de communication, qui est appliqué à un côté terminal, comprend les étapes suivantes: la détermination, selon une première information, d'un groupe d'avance temporelle (TAG) correspondant à une valeur d'avance temporelle (TA), la première information comprenant une première information d'indication et/ou une seconde information d'indication, la première information d'indication étant utilisée pour indiquer une relation d'association entre un préambule et l'étiquette, et la seconde information d'indication étant utilisée pour indiquer une information d'étiquette associée à la valeur TA. Dans les modes de réalisation de la présente invention, selon des informations indiquant une relation d'association entre une ÉTIQUETTE et un préambule ou une valeur TA, l'ÉTIQUETTE correspondant à la valeur TA est déterminée, et ainsi les performances du système peuvent être améliorées.
PCT/CN2023/099768 2023-06-12 2023-06-12 Procédé, dispositif et système de communication et support de stockage Ceased WO2024254747A1 (fr)

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