WO2022198545A1 - 无线通信的方法、终端设备和网络设备 - Google Patents
无线通信的方法、终端设备和网络设备 Download PDFInfo
- Publication number
- WO2022198545A1 WO2022198545A1 PCT/CN2021/082895 CN2021082895W WO2022198545A1 WO 2022198545 A1 WO2022198545 A1 WO 2022198545A1 CN 2021082895 W CN2021082895 W CN 2021082895W WO 2022198545 A1 WO2022198545 A1 WO 2022198545A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cell
- terminal device
- slice
- criterion
- reselection
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/13—Cell handover without a predetermined boundary, e.g. virtual cells
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
Definitions
- the embodiments of the present application relate to the field of communications, and in particular, to a wireless communication method, a terminal device, and a network device.
- the terminal equipment may perform cell selection or cell reselection.
- the selected or reselected cell may not support the slice required by the terminal equipment (UE intended slice), and the terminal equipment
- the cell where the device is currently located may support the slice required by the terminal device, and cell selection or reselection is performed based on the slice.
- the terminal device may select a cell that supports the slice required by the terminal device, but at the same time, the terminal device may lose coverage. Therefore, how to balance The slicing requirements of terminal equipment and the coverage of terminal equipment are problems that need to be solved urgently.
- the present application provides a wireless communication method, terminal device and network device, which are beneficial to take into account the slicing requirements of the terminal device and the coverage of the terminal device.
- a method for wireless communication including: a terminal device performing cell selection or cell reselection according to slice information of the terminal device and/or slice information of a network device.
- a method for wireless communication comprising: a network device sending indication information to a terminal device, where the indication information is used to instruct the terminal device to perform cell selection or cell reselection.
- a terminal device for executing the method in the above-mentioned first aspect or each implementation manner thereof.
- the terminal device includes a functional module for executing the method in the above-mentioned first aspect or each implementation manner thereof.
- a network device for executing the method in the second aspect or each of its implementations.
- the network device includes functional modules for executing the methods in the second aspect or the respective implementation manners thereof.
- a terminal device including a processor and a memory.
- the memory is used for storing a computer program
- the processor is used for calling and running the computer program stored in the memory to execute the method in the above-mentioned first aspect or each implementation manner thereof.
- a network device including a processor and a memory.
- the memory is used to store a computer program
- the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect or each of its implementations.
- a chip is provided for implementing any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
- the chip includes: a processor for invoking and running a computer program from a memory, so that a device in which the device is installed executes any one of the above-mentioned first to second aspects or each of its implementations method.
- a computer-readable storage medium for storing a computer program, the computer program causing a computer to execute the method in any one of the above-mentioned first aspect to the second aspect or each of its implementations.
- a computer program product comprising computer program instructions, the computer program instructions causing a computer to execute the method in any one of the above-mentioned first to second aspects or the implementations thereof.
- a computer program which, when run on a computer, causes the computer to perform the method in any one of the above-mentioned first to second aspects or the respective implementations thereof.
- the terminal device performs cell selection or reselection based on the required slice information and the slice information supported by the network device. For example, when the slice information supported by the network device matches the slice information required by the terminal device, the cell based on the slice is given priority.
- the selection or reselection criterion is used for cell selection or reselection, which is beneficial to meet the slicing requirements of the terminal equipment.
- the cell selection or reselection criterion based on the channel quality is given priority. Performing cell selection or reselection is beneficial to ensure that the terminal equipment does not lose coverage.
- first perform cell selection or reselection based on the first criterion and perform cell selection or reselection based on the first criterion, and if no suitable cell is selected, continue to perform cell selection or reselection based on the first criterion, and select an unsuitable cell
- An acceptable cell is conducive to ensuring the slicing requirements of the terminal device, or, falling back to the second criterion to perform cell selection or reselection, is conducive to ensuring that the terminal device does not lose coverage.
- FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
- FIG. 2 is a schematic flowchart of a method for wireless communication according to an embodiment of the present application.
- FIG. 3 is a schematic flowchart of another wireless communication method provided according to an embodiment of the present application.
- FIG. 4 is a schematic flowchart of still another wireless communication method provided according to an embodiment of the present application.
- FIG. 5 is a schematic flowchart of still another wireless communication method according to an embodiment of the present application.
- FIG. 6 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
- FIG. 7 is a schematic block diagram of a network device provided according to an embodiment of the present application.
- FIG. 8 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
- FIG. 9 is a schematic block diagram of a chip provided according to an embodiment of the present application.
- FIG. 10 is a schematic block diagram of a communication system provided according to an embodiment of the present application.
- GSM Global System of Mobile communication
- CDMA Code Division Multiple Access
- CDMA Wideband Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- LTE-A Advanced Long Term Evolution
- NR New Radio
- NTN Non-Terrestrial Networks
- UMTS Universal Mobile Telecommunication System
- WLAN Wireless Local Area Networks
- Wireless Fidelity Wireless Fidelity
- WiFi fifth-generation communication
- D2D Device to Device
- M2M Machine to Machine
- MTC Machine Type Communication
- V2V Vehicle to Vehicle
- V2X Vehicle to everything
- the communication system in this embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) distribution. web scene.
- Carrier Aggregation, CA Carrier Aggregation, CA
- DC Dual Connectivity
- SA standalone
- the communication system in the embodiment of the present application may be applied to an unlicensed spectrum, where the unlicensed spectrum may also be considered as a shared spectrum; or, the communication system in the embodiment of the present application may also be applied to a licensed spectrum, where, Licensed spectrum can also be considered unshared spectrum.
- the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, where the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
- user equipment User Equipment, UE
- access terminal subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
- the terminal device may be a station (STATION, ST) in the WLAN, and may be a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a Wireless Local Loop (WLL) station, a personal digital assistant (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, next-generation communication systems such as end devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
- PLMN Public Land Mobile Network
- the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites) superior).
- the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, and an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
- a mobile phone Mobile Phone
- a tablet computer Pad
- a computer with a wireless transceiver function a virtual reality (Virtual Reality, VR) terminal device
- augmented reality (Augmented Reality, AR) terminal Equipment wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
- the terminal device may also be a wearable device.
- Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes.
- a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
- wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
- the network device may be a device for communicating with a mobile device, and the network device may be an access point (Access Point, AP) in WLAN, or a base station (Base Transceiver Station, BTS) in GSM or CDMA , it can also be a base station (NodeB, NB) in WCDMA, it can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or in-vehicle equipment, wearable devices and NR networks
- the network device may have a mobile feature, for example, the network device may be a mobile device.
- the network device may be a satellite or a balloon station.
- the satellite may be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, a High Elliptical Orbit (HEO) ) satellite etc.
- the network device may also be a base station set in a location such as land or water.
- a network device may provide services for a cell, and a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device (
- the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell).
- Pico cell Femto cell (Femto cell), etc.
- These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
- the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or referred to as a communication terminal, a terminal).
- the network device 110 may provide communication coverage for a particular geographic area, and may communicate with terminal devices located within the coverage area.
- FIG. 1 exemplarily shows one network device and two terminal devices.
- the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. This application The embodiment does not limit this.
- the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
- network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
- a device having a communication function in the network/system may be referred to as a communication device.
- the communication device may include a network device 110 and a terminal device 120 with a communication function, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
- the communication device may also include other devices in the communication system 100, such as other network entities such as a network controller, a mobility management entity, etc., which are not limited in this embodiment of the present application.
- the "instruction" mentioned in the embodiments of the present application may be a direct instruction, an indirect instruction, or an associated relationship.
- a indicates B it can indicate that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indicates B indirectly, such as A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
- corresponding may indicate that there is a direct or indirect corresponding relationship between the two, or may indicate that there is an associated relationship between the two, or indicate and be instructed, configure and be instructed configuration, etc.
- predefinition may be implemented by pre-saving corresponding codes, forms, or other means that can be used to indicate relevant information in devices (for example, including terminal devices and network devices).
- the implementation method is not limited.
- predefined may refer to the definition in the protocol.
- the "protocol” may refer to a standard protocol in the communication field, for example, may include the LTE protocol, the NR protocol, and related protocols applied in future communication systems, which are not limited in this application.
- RAN access network
- One way is to provide lower latency, more targeted, more flexible and more scalable services for multiple services with different requirements based on network slicing. More specifically, slicing on the RAN side can enable application providers to participate in the design, deployment, and operation of customized RANs to better support the business of application providers.
- the terminal equipment may perform cell selection or cell reselection.
- the selected or reselected cell may not support the slice required by the terminal equipment (UE intended slice), and the terminal equipment
- the cell where the device is currently located may support the slice required by the terminal device, and cell selection or reselection is performed based on the slice.
- the terminal device may select a cell that supports the slice required by the terminal device, but at the same time, the terminal device may lose coverage. Therefore, how to balance The slicing requirements of terminal equipment and the coverage of terminal equipment are problems that need to be solved urgently.
- FIG. 2 is a schematic flowchart of a method 200 for wireless communication according to an embodiment of the present application.
- the method 200 may be executed by a terminal device in the communication system shown in FIG. 1 .
- the method 200 includes the following contents :
- the terminal device performs cell selection or cell reselection according to the slice information of the terminal device and/or the slice information of the network device.
- the slice information of the terminal device includes at least one of the following:
- the terminal device obtains slice information required by the terminal device
- the slice information of the terminal device is only an example.
- the slice information of the terminal device may also include other slice information related to the terminal device.
- the slice information of the terminal device may include the terminal device. Whether the device has slicing requirements, such as whether the terminal device needs to support vertical services based on slicing.
- the slice information required by the terminal device may be obtained by the access stratum (Access Stratum, AS) of the terminal device from the non-access stratum (Non-Access Stratum, NAS) of the terminal device.
- access stratum Access Stratum, AS
- non-Access Stratum Non-Access Stratum
- the AS layer of the terminal device can perform cell selection or cell reselection according to the slice information required by the terminal device and the slice information supported by the network device.
- the slice information supported by the network device may be obtained by the terminal device from the network device.
- the terminal device may obtain at least one of the following signaling: System Information Block (SIB) , dedicated signaling, optionally, the terminal device can also obtain slice information supported by the network device from the network device through other signaling, such as NAS signaling, the present application is not limited to this.
- SIB System Information Block
- the dedicated signaling may include, but is not limited to, radio resource control (Radio Resource Control, RRC) signaling, for example.
- RRC Radio Resource Control
- the slice information required by the terminal device includes at least one of the following:
- the slice group identifier corresponding to the slice required by the terminal device
- the slice identifier corresponding to the slice required by the terminal device may include, but is not limited to, at least one of the following: slice service type (Slice/Service Type, SST), single-network slice auxiliary information (Single-Network Slice Selection Assistance Information, S-NSSAI), slice index (Slice index).
- slice service type Slice/Service Type, SST
- single-network slice auxiliary information Single-Network Slice Selection Assistance Information, S-NSSAI
- slice index Slice index
- the slice group identifier corresponding to the slice required by the terminal device may include, for example, but not limited to, a slice group index (Slice group index).
- Slice group index a slice group index
- the parameter corresponding to the slice required by the terminal device may include, but is not limited to, an access policy (Access Category, AC) parameter, for example.
- an access policy Access Category, AC
- the slice information of the network device includes at least one of the following:
- the slice information supported by the network device includes at least one of the following:
- the slice group identifier corresponding to the slice supported by the network device
- the cell selection parameter or cell reselection parameter corresponding to the slice supported by the network device is not limited to the cell selection parameter or cell reselection parameter corresponding to the slice supported by the network device.
- the slice identifier corresponding to the slice supported by the network device may include, but is not limited to, at least one of the following: SST, S-NSSAI, and slice index.
- the slice group identifier corresponding to the slice supported by the network device may, for example, include but not be limited to a slice group index (Slice group index).
- Slice group index a slice group index
- the parameters corresponding to the slices supported by the network device may include, but are not limited to, AC parameters, for example.
- the cell selection parameter or cell reselection parameter corresponding to the slice supported by the network device may include, for example, but not limited to, the cell selection or reselection threshold and/or the duration threshold corresponding to the slice.
- the slice information of the network device may also include other slice-related information, for example, the slice of the network device
- the information may include whether the network device supports slice-based cell selection or reselection criteria, or whether the network device allows the terminal device to perform cell selection or reselection based on the slice-based cell selection or reselection criteria, etc.
- the present application is not limited thereto.
- slice-based RACH parameters can also be configured, including but not limited to, the selection parameters of slice-based RACH and non-slice RACH, slice-based two-step ( Selection parameters for 2-step) RACH and slice-based four-step (4-step) RACH, selection parameters for non-slice-based 2-step RACH and non-slice-based 2-step RACH (common 2-step RACH), based on Selection parameters for sliced 4-step RACH and non-sliced 4-step RACH (common 4-step RACH).
- the terminal device may select the RACH mode based on the above-mentioned RACH parameters.
- the terminal device may also determine the target RACH mode according to the indication of the network device.
- the target RACH mode is determined by the target RACH mode.
- the corresponding RACH parameters may be configured by the network device, or may also be predefined.
- the RACH parameters for different slices may be the same or different.
- the RACH parameters for the slice include at least one of the following (for selection):
- Preamble received target power preambleReceivedTargetPower
- message A preamble received power synchronization signal/physical broadcast channel block (synchronization signal/physical broadcast channel block, SS/PBCH block, or SSB)
- RSRP threshold rsrp) -ThresholdSSB
- RSRP threshold rsrp-ThresholdCSI-RS
- Channel State Information Reference Signal Channel State Information Reference Signal
- CSI-RS Channel State Information Reference Signal
- RSRP threshold of SSB of msgA msgA-RSRP-ThresholdSSB
- Supplementary uplink Supplementary uplink
- SUL SSB RSRP threshold
- msgA RSRP threshold msgA-RSRP-Threshold
- message A maximum transmission times msgA-TransMax
- candidate beam reference signal list candidateBeamRSList
- the terminal device may first determine whether the slice-based random access or the non-slice-based random access is performed, and then determine whether the 2-step RACH or the 4-step RACH is based.
- the UE may first determine the 2-step-based RACH or the 4-step RACH, and then determine the slice-based RACH or the non-slice-based RACH.
- the terminal device may first determine whether the slice-based random access or the non-slice-based random access, and then determine whether to select UL or SUL.
- the UE may first determine whether to select the UL or the SUL, and then determine whether the slice-based random access or the non-slice-based random access. Further, if UL or SUL is selected first, after selecting UL/SUL and determining the slice, the UE determines whether it is based on 2-step RACH or 4-step RACH; or, if UL or SUL is selected first, after selecting UL/SUL and After determining whether it is based on 2-step RACH or 4-step RACH, then determine whether it is slice-based random access or non-slice random access.
- S210 may include:
- the terminal device determines a target criterion for performing cell selection or cell reselection according to the slice information of the terminal device and/or the slice information of the network device;
- the terminal device performs cell selection or cell reselection according to the target criterion.
- the terminal device may first determine a target criterion for performing cell selection or cell reselection based on the slice information of the terminal device and/or the slice information of the network device, and further perform cell selection or cell reselection based on the target criterion.
- Cell reselection is conducive to taking into account the slicing requirements of the terminal equipment and the coverage of the terminal equipment.
- the target criterion for performing cell selection or cell reselection will be determined according to the slice information of the terminal device and/or the slice information of the network device, and the cell selection or cell reselection will be further performed according to the target criterion.
- the cell selection or re-selection mode of 1 is recorded as mode 1.
- the network device may configure the manner in which the terminal device performs cell selection or reselection. For example, the network device may send first indication information to the terminal device, where the first indication information is used to instruct the terminal device to perform cell selection or reselection according to the above Mode 1 performs cell selection or cell reselection.
- the terminal device can perform cell selection or reselection by adopting the above method 1 based on the instruction of the network device.
- the cell selection or reselection performed by the terminal device based on Mode 1 is determined by the terminal device itself, or is predefined.
- the terminal device may perform cell selection or reselection based on Mode 1 when there is a requirement for slicing.
- a terminal device that is predefined to support slicing services performs cell selection or reselection based on Approach 1.
- the cell selection or reselection mode is set to mode 1 in the terminal equipment supporting the slice service.
- the foregoing method 1 may correspond to a specific terminal, for example, a terminal device that supports slicing, or a terminal device that supports a specific service that needs to provide services based on slicing, such as an Internet of Things (IOT) service.
- a UE of a specific version such as a UE that supports Release 17 (Release 17, R17), that is, the above version.
- the terminal device determines a target criterion for performing cell selection or reselection in the first criterion and the second criterion according to the slice information of the terminal device and/or the slice information of the network device.
- the first criterion may be a cell selection based on a slice or a cell reselection criterion, for example, the first criterion may indicate that the cell selection is performed based on the slice information of the terminal device and/or the slice information of the network device or cell reselection.
- the cell selection or cell reselection criterion based on a slice may refer to performing cell selection or reselection based on at least a slice, but does not mean that cell selection or reselection is performed only based on a slice.
- cell selection or reselection may be performed based on slice information of the terminal device and/or slice information of the network device, and other information such as channel quality information of the cell.
- the priority of the slice is higher than the priority of the channel quality.
- the cell that supports the slice information required by the terminal equipment is preferentially selected, and further, in the cell that supports the slice information required by the terminal equipment, cell selection or reselection is performed in combination with the channel quality information of the cell.
- the priority of channel quality is higher than the priority of slices.
- a cell whose channel quality meets a certain condition for example, greater than a certain threshold
- cell selection or reselection is performed in combination with the slice information required by the terminal equipment, for example, a slice whose channel quality meets the condition and supports the terminal equipment requirement is selected. community of information.
- the second criterion is a non-slice-based cell selection or cell reselection criterion, for example, the second criterion may indicate that the cell is not executed based on the slice information of the terminal device and/or the slice information of the network device. selection or cell reselection.
- the cell selection or reselection may be performed not based on the slice information of the terminal device and/or the slice information of the network device, but based on other information such as the channel quality information of the cell .
- the second criterion may be an existing cell selection or reselection criterion, or an R16 cell selection or cell reselection criterion.
- the S criterion or the R criterion etc.
- the terminal device determines a target criterion for performing cell selection or cell reselection as the first criterion when the first condition is satisfied.
- the first condition may include, but is not limited to, at least one of the following:
- the terminal device supports slicing
- the slice information required by the terminal device matches the slice information supported by the network device.
- the terminal device supports slicing
- the slicing information required by the terminal device matches the slicing information supported by the network device, based on the first criterion (ie, the cell selection or reselection criterion based on the slice)
- the first criterion ie, the cell selection or reselection criterion based on the slice
- the matching between the slice information required by the terminal device and the slice information supported by the network device may be one of the following situations:
- Case 1 The slices supported by the network device include all slices required by the terminal device.
- the slices supported by the network device include all slices required by the terminal device, including at least one of the following situations:
- the slice identifiers corresponding to the slices supported by the network device include slice identifiers corresponding to all slices required by the terminal device;
- the slice group identifiers corresponding to the slices supported by the network device include slice group identifiers corresponding to all slices required by the terminal device;
- the parameters corresponding to the slices supported by the network device include parameters corresponding to all slices required by the terminal device.
- Case 2 The slices supported by the network device and the slices required by the terminal device are at least partially the same.
- the slice supported by the network device is at least partially the same as the slice required by the terminal device, including at least one of the following situations:
- the slice identifier corresponding to the slice supported by the network device and the slice identifier corresponding to the slice required by the terminal device are at least partially identical;
- the slice group identifier corresponding to the slice supported by the network device and the slice group identifier corresponding to the slice required by the terminal device are at least partially identical;
- the parameters corresponding to the slices supported by the network device are at least partially the same as the parameters corresponding to the slices required by the terminal device.
- the cell selection or reselection performed by the terminal device based on the first criterion is determined according to a scenario or a location.
- end devices are located at the edges of different Tracking Areas (TA) or Registration Areas (RA).
- TAs or RAs support different slices.
- the different slices supported by different TAs or RAs may include at least one of different supported slice identifiers, different frequency points corresponding to the slices, and different priorities of the frequency points corresponding to the slices.
- the method 200 further includes:
- the terminal device determines that a cell that satisfies at least one of the following conditions is a suitable cell (suitable cell) and/or performs a normal service (normal service) on the suitable cell:
- the slice information required by the terminal device matches the slice information supported by the network device.
- the terminal device when the terminal device uses the first criterion to perform cell selection or reselection, it may consider a cell that supports the intended slice of the terminal device, or a cell that matches the supported slice of the network device and the intended slice of the terminal device as a suitable cell , and further normal service can be executed on the suitable cell.
- the normal service may include but is not limited to:
- Services related to slicing required by the terminal device and services unrelated to the slicing required by the terminal device, such as emergency services.
- the terminal device can establish a Protocol Data Unit (PDU) session (Session) corresponding to the slice required by the terminal device on the suitable cell, and activate the PDU Session on the user plane, so that the terminal device can execute the execution based on the PDU session. Requires slice-related business.
- PDU Protocol Data Unit
- the method 200 further includes:
- the terminal device determines that a cell that satisfies at least one of the following conditions is an acceptable cell (acceptable cell) and/or performs a limited service (limited service) on the acceptable cell:
- the slice information required by the terminal device is not supported
- the slice information required by the terminal device does not match the slice information supported by the network device.
- the terminal device uses the first criterion to perform cell selection or reselection, if the aforementioned suitable group does not exist, it may be considered that the cell that does not support the intended slice of the terminal device, or the supported slice of the network device and the terminal
- the cell that does not match the intended slice of the device is an acceptable cell, and further limited service can be executed on the acceptable cell.
- the limited service may include services unrelated to the slice required by the terminal device, such as emergency services.
- the terminal device may establish a PDU Session corresponding to the slice required by the terminal device on the acceptable cell, but does not activate the PDU Session on the user plane, or the terminal device does not create a corresponding PDU Session on the acceptable cell required by the terminal device. PDU Session.
- the mismatch between the slice information required by the terminal device and the slice information supported by the network device may be one of the following situations:
- Case 1 The slice supported by the network device does not include any slice required by the terminal device.
- the slice supported by the network device does not include any slice required by the terminal device, including at least one of the following situations:
- the slice identifier corresponding to the slice required by the terminal device and the slice identifier corresponding to the slice supported by the network device are completely different;
- the slice group identifier corresponding to the slice required by the terminal device is completely different from the slice group identifier corresponding to the slice supported by the network device;
- the parameters corresponding to the slice required by the terminal device are completely different from the parameters corresponding to the slice supported by the network device.
- Case 2 The slices supported by the network device and the slices required by the terminal device are at least partially different.
- the at least partial difference between the slice supported by the network device and the slice required by the terminal device may include at least one of the following situations:
- the slice identifier corresponding to the slice supported by the network device and the slice identifier corresponding to the slice required by the terminal device are at least partially different;
- the slice group identifier corresponding to the slice supported by the network device and the slice group identifier corresponding to the slice required by the terminal device are at least partially different;
- the parameters corresponding to the slices supported by the network device and the parameters corresponding to the slices required by the terminal device are at least partially different.
- the terminal device determines a target criterion for performing cell selection or cell reselection according to slice information of the terminal device and/or slice information of the network device, including:
- the terminal device determines that the target criterion for performing cell selection or cell reselection is the second criterion when the second condition is satisfied.
- the second condition may include, but is not limited to, at least one of the following:
- the terminal device does not support slicing
- the terminal device has not acquired slice information of the terminal device
- the slice information required by the terminal device does not match the slice information supported by the network device;
- the network device does not support slicing
- the network device does not support slice information required by the terminal device.
- the terminal device does not support slicing, or the slicing information required by the terminal device does not match the slicing information supported by the network device, in this case, the slicing requirement of the terminal device may not be considered. Criteria to perform cell selection or reselection, that is, not to perform cell selection or reselection based on slices, for example, to perform cell selection or reselection based on existing cell selection or reselection criteria (that is, based on channel quality), which is beneficial to ensure that terminal equipment does not. Lost coverage.
- the method 200 further includes:
- the terminal device determines that a cell that satisfies at least one of the following conditions is a suitable cell (suitable cell) and/or performs a normal service (normal service) on the suitable cell:
- the slice information required by the terminal device is not supported
- the slice information required by the terminal device does not match the slice information supported by the network device.
- the terminal device when the terminal device uses the second criterion to perform cell selection or reselection, it may consider the cell that does not support the intended slice of the terminal device, or the cell that does not match the supported slice of the network device and the intended slice of the terminal device is suitable cell, further normal service can be executed on the suitable cell.
- the normal service may include, but is not limited to, services unrelated to the slice required by the terminal device, such as emergency services.
- the terminal device can establish the PDU Session Session corresponding to the slice required by the terminal device on the suitable cell, but activate the PDU Session on the user plane, or the terminal device does not establish the PDU corresponding to the slice required by the terminal device on the suitable cell. Session.
- the method 200 further includes:
- the terminal device determines that a cell that satisfies at least one of the following conditions is an acceptable cell (acceptable cell) and/or performs a limited service (limited service) on the acceptable cell:
- the slice information required by the terminal device is not supported
- the slice information required by the terminal device does not match the slice information supported by the network device.
- the terminal device uses the second criterion to perform cell selection or reselection, if no suitable cell is selected, it may be considered that the cell that does not support the intended slice of the terminal device, or the supported slice of the network device and the terminal device The cell whose intended slice does not match is an acceptable cell, and further limited service can be performed on the acceptable cell.
- the limited service may include, but is not limited to, services unrelated to the slice required by the terminal device, such as emergency services.
- the terminal device may establish a PDU Session corresponding to the slice required by the terminal device on the acceptable cell, but does not activate the PDU Session on the user plane, or the terminal device does not create a corresponding PDU Session on the acceptable cell required by the terminal device. PDU Session.
- the S210 may include:
- the terminal device may perform cell selection or cell reselection according to the first criterion.
- the priority of the first criterion is higher than the second criterion, that is, the terminal device preferentially chooses to perform cell selection or cell reselection according to the first criterion.
- the method of preferentially performing cell selection or cell reselection according to the first criterion is recorded as Mode 2.
- the network device may configure the manner in which the terminal device performs cell selection or reselection. For example, the network device may send second indication information to the terminal device, where the first indication information is used to indicate the The terminal device performs cell selection or cell reselection according to method 2.
- the terminal device can perform cell selection or reselection by adopting mode 2 based on the instruction of the network device.
- the cell selection or reselection performed by the terminal device based on Mode 2 is determined by the terminal device itself, or is predefined.
- the terminal device may perform cell selection or reselection based on method 2 when there is a requirement for slicing.
- a terminal device that is predefined to support slicing services performs cell selection or reselection based on approach 2.
- the cell selection or reselection mode is set to mode 2 in a terminal device that supports the slicing service.
- the foregoing method 2 may correspond to a specific terminal, for example, a terminal device supporting slices, or a terminal device supporting a specific service that needs to provide services based on slices, such as an IOT service.
- a UE of a specific version such as a UE that supports R17 or a version above.
- the cell selection or reselection performed by the terminal device based on Mode 2 is determined according to a scenario or a location.
- end devices are located at the edge of different TAs or RAs.
- different TAs or RAs support different slices.
- the different slices supported by the different TAs or RAs may include at least one of different supported slice identifiers, different frequency points corresponding to the slices, and different priorities of the frequency points corresponding to the slices.
- the terminal device may choose to fall back to performing cell selection or cell reselection based on the second criterion, or , the terminal device may also select a receivable cell from inappropriate cells.
- the terminal device performs cell selection or cell reselection according to the first criterion, and in the case that a suitable cell is not selected (for example, the cell selection or reselection result satisfies the third condition), it falls back to
- the second criterion is to perform cell selection or cell reselection, or a mode of selecting a receivable cell in an unsuitable cell, which is denoted as mode 3.
- whether the terminal device performs cell selection or reselection based on mode 2 or mode 3 may be based on an indication of the network device.
- the cell selection or reselection performed by the terminal device based on Mode 3 may be based on an indication of the network device.
- the terminal device may receive third indication information sent by the network device, where the third indication information is used to indicate that the terminal device performs cell selection or cell reselection according to the first criterion and fails to select a suitable cell In this case, falling back to the second criterion to perform cell selection or cell reselection, or determining a target cell in an unsuitable cell, the cell can be accepted.
- the cell selection or reselection performed by the terminal device based on Mode 3 is determined by the terminal device itself, or is predefined.
- the terminal device may perform cell selection or reselection based on method 3 when there is a requirement for slicing.
- a terminal device that is predefined to support slicing services performs cell selection or reselection based on approach 3.
- the cell selection or reselection mode is set as mode 3 in the terminal equipment supporting the slicing service.
- the foregoing method 3 may correspond to a specific terminal, for example, a terminal device supporting slices, or a terminal device supporting a specific service that needs to provide services based on a slice, such as an IOT service.
- a UE of a specific version such as a UE that supports R17 or above.
- the first criterion may include at least one of the following cell selection or reselection parameters:
- the first cell selection or reselection threshold corresponding to the slice supported by the network device the second cell selection or reselection threshold, the first duration and the second duration corresponding to the slice supported by the network device.
- the first cell selection or reselection threshold is greater than the second cell selection or reselection threshold, and the first duration is shorter than the second duration.
- the first cell selection or reselection threshold and/or the first duration may be parameters for selecting an appropriate cell for the terminal device.
- the second cell selection or reselection threshold and/or the second duration may be parameters for selecting an acceptable cell for the terminal device.
- the terminal device may perform cell selection or reselection according to the second cell selection or reselection threshold, or, in the cell
- cell selection or reselection is performed based on the second duration and/or the second cell selection or reselection threshold.
- the second cell selection or reselection threshold may also be a cell selection or reselection threshold corresponding to the second criterion, or the second cell selection or reselection threshold may also be independent.
- the threshold of that is, does not correspond to the first criterion and the second criterion, or a predefined threshold, which is used to select an acceptable cell when the terminal device does not select an appropriate cell.
- the S210 further includes:
- the terminal device may fall back to performing cell selection or cell reselection based on the second criterion if the cell selection or reselection result obtained by performing the cell selection or reselection according to the first criterion satisfies the third condition.
- the cell selection or reselection result satisfying the third condition may include at least one of the following situations:
- Condition 3.1 The channel quality of the cell is poor
- Condition 3.2 The candidate cell determined according to the first criterion does not meet the slicing condition
- Condition 3.3 The candidate cell determined according to the first criterion does not support the first criterion.
- the channel quality of the cell may include the channel quality of the serving cell and/or the channel quality of neighboring cells.
- the poor channel quality of the cell may include at least one of the following situations:
- the channel quality of the serving cell is less than or not greater than the first cell selection or reselection threshold corresponding to the slice of the network device;
- the channel quality of the adjacent cell is less than or not greater than the first cell selection or reselection threshold corresponding to the slice of the network device;
- the channel quality of the serving cell is less than or not greater than the first cell selection or reselection threshold corresponding to the slice of the network device and the duration is greater than or equal to the first duration;
- the time period for which the channel quality of the adjacent cell is less than or not greater than the first cell selection or reselection threshold corresponding to the slice of the network device is greater than or equal to the first time period.
- the candidate cell determined according to the first criterion that does not meet the slicing condition may include at least one of the following:
- the candidate cell determined according to the first criterion does not support slicing
- the slice supported by the candidate cell determined according to the first criterion does not match the slice required by the terminal device
- the candidate cell determined according to the first criterion does not support the slice required by the terminal device.
- mismatch between the slice supported by the candidate cell and the slice required by the terminal device refer to the relevant description of the mismatch between the slice supported by the network device and the slice required by the terminal device, which is not repeated here for brevity.
- the slice of the candidate cell determined according to the first criterion that does not support the requirements of the terminal equipment may be all the slices that the candidate cell does not support the requirements of the terminal equipment, or the candidate cell does not support at least one slice of the requirements of the terminal equipment.
- the candidate cell determined according to the first criterion does not support the first criterion may be that the candidate cell does not support the first criterion, or the candidate cell is indicated as not supporting the first criterion.
- the candidate cell may be indicated as not supporting the first criterion.
- the candidate cell does not support the first criterion.
- the terminal device may fall back to performing cell selection or reselection based on the second criterion when at least one of the above-mentioned conditions 3.1 to 3.3 is satisfied.
- the terminal device may fall back to performing cell selection based on the second criterion or reselect.
- the terminal device can fall back to performing cell selection or reselection based on the second criterion.
- the candidate cell supports the slice, or the candidate cell supports the slice required by the terminal equipment, or if the slice supported by the candidate cell matches the slice required by the terminal equipment, and the channel quality of the serving cell and/or the adjacent cell is less than or not greater than that of the network equipment
- the duration of the first cell selection or reselection threshold corresponding to the slice is greater than or equal to the first duration. In this case, the terminal device may fall back to performing cell selection or reselection based on the second criterion.
- the terminal device can fall back to the execution based on the second criterion. Cell selection or reselection.
- the candidate cell does not support slices, or the candidate cell does not support the slice required by the terminal equipment, or the slice supported by the candidate cell does not match the slice required by the terminal equipment, but the channel quality of the cell is greater than or equal to the first slice corresponding to the network equipment slice A cell selection or reselection threshold, in which case the terminal device can fall back to performing cell selection or reselection based on the second criterion.
- the channel quality of the candidate cell is greater than or equal to that corresponding to the slices of the network equipment.
- the duration of the first cell selection or reselection threshold is greater than or equal to the first duration. In this case, the terminal device may fall back to performing cell selection or reselection based on the second criterion.
- the terminal device may fall back to performing cell selection or reselection based on the second criterion.
- the candidate cell supports the slice, or the candidate cell supports the slice required by the terminal equipment, or the slice supported by the candidate cell matches the slice required by the terminal equipment, and the channel quality of the candidate cell is greater than or equal to the first cell corresponding to the slice of the network equipment
- the selection or reselection threshold, or the duration of the channel quality of the candidate cell is greater than or equal to the first cell selection or reselection threshold corresponding to the slice of the network device is greater than or equal to the first duration, but the candidate cell does not support the first criterion, in this case , the terminal device may fall back to performing cell selection or reselection based on the second criterion.
- the S210 further includes:
- the candidate cells determined according to the first criterion may include all cells measured by the terminal device, or may also include cells that satisfy some of the conditions in the first criterion, to which this application applies Not limited.
- the candidate cell determined according to the first criterion when the candidate cell determined according to the first criterion further performs cell selection or reselection to determine the target cell, channel quality, beam quantity, frequency priority, and slice information of the candidate cell may be referred to in the candidate cell. at least one of.
- the target cell for cell selection or reselection satisfies at least one of the following conditions:
- the channel quality is higher than the second cell selection or reselection threshold, the channel quality is the best, the number of beams is the largest, the corresponding frequency point has the highest priority, supports slices, supports the slice information required by the terminal equipment, the supported slice information and the terminal equipment The required slice information matches.
- the cell selection or reselection when the cell selection or reselection is performed according to the first criterion, the cell selection or reselection may be performed first according to the first cell selection or reselection threshold corresponding to the slice. If there is no channel quality greater than or equal to the first cell selection or reselection When a threshold cell is selected, cell selection or reselection is performed according to the second cell selection or reselection threshold.
- the terminal device may select a cell with the best channel quality among the candidate cells whose channel quality is greater than the second cell selection or reselection threshold as the target cell.
- the terminal device may select a cell whose channel quality in the candidate cell is greater than the second cell selection or reselection threshold and supports the slice required by the terminal device as the target cell.
- the terminal device may select based on the combined slice information, for example, in a candidate cell whose channel quality does not meet the first cell selection or reselection threshold , select a cell that supports slices, or a slice that supports the requirements of the terminal equipment, or a cell whose supported slices match the slices required by the terminal equipment as the target cell, so that the slice requirements of the terminal equipment can be met.
- the channel quality of the cell may be a measurement result of the cell, such as Reference Signal Receiving Power (RSRP), Reference Signal Receiving Quality (RSRQ), Signal to Interference and Noise Ratio (SINR) (Signal to Interference plus Noise Ratio, SINR), Channel Quantity Indicator (CQI), Signal to Noise Ratio (Signal to Noise Ratio, SNR), etc.
- RSRP Reference Signal Receiving Power
- RSRQ Reference Signal Receiving Quality
- SINR Signal to Interference and Noise Ratio
- CQI Channel Quantity Indicator
- SNR Signal to Noise Ratio
- the channel quality of the cell may also be channel quality information obtained by adjusting according to the measurement result of the cell.
- the measurement result of the cell may be added with a specific adjustment amount to determine the channel quality information of the cell.
- the specific adjustment amount may be determined according to slice information of the cell.
- the corresponding adjustment amount may be the first adjustment amount, or if the cell does not support the slice information required by the terminal equipment, the corresponding adjustment amount is the second adjustment amount, wherein all The first adjustment amount is greater than the second adjustment amount.
- the target channel quality of the first cell in the candidate cells is X1 and the corresponding adjustment amount is delta1
- the target channel quality of the first cell is X1+delta1
- the channel quality of the first cell is X2
- the target channel quality of the second cell is X2+delta2 where the first cell supports the slice information of the terminal equipment cell, the second cell does not support the slice information of the terminal equipment cell, and the channel quality of the first cell is X1
- the channel quality X2 of the second cell is lower than that of the second cell, but delta1 is greater than delta2. If X1+delta1 is greater than X2+delta2, the second cell can be selected as the target cell, otherwise, the second cell is selected as the target cell.
- the channel quality information of the cell is fine-tuned by combining the slice information of the cell, and further, when the cell selection or reselection is performed in combination with the channel quality information, it is equivalent to consider the slice requirement of the terminal device and the channel quality of the cell at the same time, which is beneficial to Meet the slicing requirements and coverage of terminal equipment.
- the method 200 further includes:
- the terminal device determines that a cell that satisfies the fourth condition is a suitable cell and/or performs a standard service on the suitable cell when at least one of the following conditions is met:
- the cell selection or reselection result obtained by performing cell selection or reselection according to the first criterion satisfies the third condition
- the terminal device performs cell selection or cell reselection using the second criterion
- the terminal device falls back from the first criterion to the second criterion to perform cell selection or cell reselection.
- the cell that satisfies the fourth condition may include any cell that does not meet at least one of the aforementioned condition 3.1, condition 3.2 and recommendation 3.3, for example, a cell whose channel quality is lower than the first cell selection or reselection threshold, Or cells that do not meet the slicing conditions, or cells that do not support the first criterion, or the like.
- a cell that satisfies the fourth condition may be a cell that does not satisfy at least one condition in the first criterion when selected based on the first criterion.
- the cells that meet the fourth condition may include but are not limited to at least one of the following:
- a cell that satisfies the slicing conditions for example, the cell supports slicing, or the cell supports the slicing required by the terminal equipment, or the slicing supported by the cell matches the slicing of the terminal equipment cell;
- the cell does not support the first criterion.
- the cells satisfying the fourth condition may include cells with better channel quality but not satisfying the slicing conditions, or cells with poor channel quality and satisfying the slicing conditions, or better channel quality and satisfying the slicing conditions. conditions but do not support the cells of the first criterion, etc.
- satisfying the slicing condition may include at least one of supporting slicing, supporting slicing information required by the terminal device, or matching the supported slicing information with the slicing information required by the terminal device.
- the terminal device can consider the cell that does not support the intended slice of the terminal device, or the cell that does not match the supported slice of the network device and the intended slice of the terminal device is a suitable cell. Execute normal service on the cell.
- the terminal device may consider the cell that does not support the intended slice of the terminal device, or the supported slice of the network device and the intended slice of the terminal device.
- a cell with mismatched slices is a suitable cell, and the normal service can be executed on the suitable cell.
- the terminal device may consider a cell that does not support the intended slice of the terminal device, or the network device's The cell where the supported slice does not match the intended slice of the terminal device is a suitable cell, and the normal service can be executed on the suitable cell.
- the normal service may include services unrelated to the slice required by the terminal device, such as emergency services.
- the terminal device can establish the PDU Session Session corresponding to the slice required by the terminal device on the suitable cell, but does not activate the PDU Session on the user plane, or the terminal device does not establish the corresponding PDU Session on the suitable cell required by the terminal device. PDU Session.
- the terminal device uses the first criterion to perform cell selection or reselection, and the candidate cell determined according to the first criterion satisfies the slicing condition, for example, the cell supports slicing, or the cell supports the terminal
- the slice required by the device, or the slice supported by the cell matches the slice of the terminal device cell.
- the terminal device can consider the cell that supports the intended slice of the terminal device, or the supported slice of the network device matches the intended slice of the terminal device.
- the cell is a suitable cell, and the normal service can be executed on the suitable cell.
- the normal service may include services related to the slicing required by the terminal device, and services unrelated to the slicing required by the terminal device, such as emergency services.
- the terminal device can establish a PDU session Session corresponding to the slice required by the terminal device on the suitable cell, and activate the PDU Session on the user plane.
- the method further includes:
- the terminal device determines that a cell that satisfies the fourth condition is an acceptable cell and/or performs a restricted service on the acceptable cell when at least one of the following conditions is met:
- the cell selection or reselection result obtained by performing cell selection or reselection according to the first criterion does not satisfy the third condition
- the terminal device performs cell selection or cell reselection using the first criterion
- the terminal device falls back from the first criterion to the second criterion to perform cell selection or cell reselection.
- the cell selection or reselection result obtained by performing cell selection or reselection according to the first criterion does not satisfy the third condition, and may include at least one of the following:
- the channel quality of the cell is better, for example, the channel quality of the cell is greater than the first cell selection or reselection threshold;
- the cell satisfies the slicing conditions, for example, the cell supports the slicing, or the cell supports the slicing required by the terminal equipment, or the slicing supported by the cell matches the slicing of the terminal equipment cell;
- the cell does not meet the slicing conditions, for example, the cell does not support slicing, or the cell does not support the slicing required by the terminal equipment, or the slicing supported by the cell does not match the slicing of the terminal equipment cell;
- the cell supports the first criterion.
- the terminal device may consider the cell that does not support the intended slice of the terminal device, or the cell that does not match the supported slice of the network device and the intended slice of the terminal device is an acceptable cell, and further A limited service can be executed on this acceptable cell.
- the terminal device if the terminal device performs cell selection or reselection according to the first criterion, or, if the cell selection or reselection result according to the first criterion satisfies Condition 3.2 (that is, the cell selection or reselection according to the first criterion satisfies the condition 3.2) If the determined candidate cell does not meet the slicing condition), the terminal device falls back to the second criterion to perform cell selection or reselection. In this case, the terminal device may consider the cell that does not support the intended slice of the terminal device, or the network device The cell whose supported slice does not match the intended slice of the terminal device is an acceptable cell, and the limited service can be further executed on the acceptable cell.
- the limited service may include services unrelated to the slice required by the terminal device, such as emergency services.
- the terminal device may establish a PDU Session corresponding to the slice required by the terminal device on the acceptable cell, but does not activate the PDU Session on the user plane, or the terminal device does not create a corresponding PDU Session on the acceptable cell required by the terminal device. PDU Session.
- the terminal device uses the first criterion to perform cell selection or reselection, and the candidate cell determined according to the first criterion satisfies the slicing condition, for example, the cell supports slicing, or the cell supports the terminal
- the slice required by the device, or the slice supported by the cell matches the slice of the terminal equipment cell, but the channel quality of the candidate cell is lower than the first cell selection or reselection threshold, or the channel quality of the candidate cell is lower than the first cell selection or reselection threshold
- the duration of the threshold is greater than the first duration.
- the terminal device may consider the cell that supports the intended slice of the terminal device, or the cell that matches the supported slice of the network device and the intended slice of the terminal device to be an acceptable cell. Execute the limited service on the acceptable cell.
- the limited service may include services related to the slicing required by the terminal device, and services unrelated to the slicing required by the terminal device, such as emergency services.
- the terminal device may establish a PDU session Session corresponding to the slice required by the terminal device on the acceptable cell, and activate the PDU Session on the user plane.
- the terminal device performs cell selection or reselection based on the required slice information and the slice information supported by the network device. For example, when the slice information supported by the network device matches the slice information required by the terminal device, the slice-based cell selection or re-selection is preferred.
- the reselection criterion performs cell selection or reselection, which is beneficial to meet the slicing requirements of the terminal equipment.
- the cell selection or reselection criterion based on the channel quality is preferentially performed. Selection or reselection is beneficial to ensure that the terminal equipment does not lose coverage.
- the wireless communication method according to the embodiment of the present application is described in detail from the perspective of a terminal device, and the wireless communication according to another embodiment of the present application is described in detail below with reference to Fig. 5 from the perspective of a network device Methods. It should be understood that the description on the side of the network device corresponds to the description on the side of the terminal device, and similar descriptions can be referred to above, which are not repeated here to avoid repetition.
- FIG. 5 is a schematic flowchart of a method 300 for wireless communication according to another embodiment of the present application.
- the method 300 may be executed by a network device in the communication system shown in FIG. 1 .
- the method 300 includes as follows:
- the network device sends indication information to the terminal device, where the indication information is used to instruct the terminal device to perform cell selection or cell reselection.
- the indication information includes first indication information, where the first indication information is used to instruct the terminal device to determine according to slice information of the terminal device and/or slice information of the network device A target criterion for cell selection or cell reselection is performed, and cell selection or cell reselection is performed according to the target criterion.
- the indication information includes second indication information, where the second indication information is used to instruct the terminal device to perform cell selection or cell reselection according to a first criterion, and the first criterion may indicate that Cell selection or cell reselection is performed based on the slice information of the terminal device and/or the slice information of the network device.
- the indication information includes third indication information
- the third indication information is used to instruct the terminal device to perform cell selection or cell reselection according to the first criterion in cell selection or cell selection. If the reselection result satisfies the third condition, fall back to the second criterion to perform cell selection or cell reselection, or determine a target according to the result of executing the cell selection or cell reselection based on the first criterion community.
- the indication information is sent by at least one of the following signaling: system information and dedicated signaling.
- first indication information, the second indication information and the third indication information in the method 300 correspond to the first indication information, the second indication information and the third indication information in the method 200 respectively.
- first indication information, the second indication information and the third indication information in the method 300 correspond to the first indication information, the second indication information and the third indication information in the method 200 respectively.
- the method 200 For the sake of brevity, the relevant implementations in , will not be repeated here.
- FIG. 6 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
- the terminal device 400 includes:
- the processing unit 410 is configured to perform cell selection or cell reselection according to the slice information of the terminal device and/or the slice information of the network device.
- the slice information of the terminal device includes at least one of the following:
- the terminal device obtains slice information required by the terminal device
- the slice information required by the terminal device includes at least one of the following:
- the slice group identifier corresponding to the slice required by the terminal device
- the slice information of the network device includes at least one of the following:
- the slice information supported by the network device includes at least one of the following:
- the slice group identifier corresponding to the slice supported by the network device
- the cell selection parameter or cell reselection parameter corresponding to the slice supported by the network device is not limited to the cell selection parameter or cell reselection parameter corresponding to the slice supported by the network device.
- the processing unit 410 is further configured to:
- Cell selection or cell reselection is performed according to the target criteria.
- the processing unit 410 is further configured to:
- the target criterion for performing cell selection or cell reselection is determined as the first criterion, where the first criterion is used to indicate the slice information based on the terminal device and/or the slice of the network device information to perform cell selection or cell reselection.
- the first condition includes at least one of the following:
- the terminal device supports slicing
- the slice information required by the terminal device matches the slice information supported by the network device.
- the processing unit 410 is further configured to:
- a cell meeting at least one of the following conditions is determined to be a suitable cell and/or a standard service is performed on the suitable cell:
- the slice information required by the terminal device matches the slice information supported by the network device.
- the processing unit 410 is further configured to:
- the cell that meets the fourth condition is determined to be a suitable cell and/or a standard service is performed on the suitable cell:
- the cell selection or reselection result obtained by performing cell selection or reselection according to the first criterion satisfies the third condition
- the terminal device performs cell selection or cell reselection using the second criterion
- the terminal device falls back from the first criterion to the second criterion to perform cell selection or cell reselection.
- the processing unit 410 is further configured to:
- a cell that satisfies the fourth condition is determined to be an acceptable cell and/or a restricted service is performed on the acceptable cell if at least one of the following conditions is met:
- the cell selection or reselection result obtained by performing cell selection or reselection according to the first criterion does not satisfy the third condition
- the terminal device performs cell selection or cell reselection using the first criterion
- the terminal device falls back from the first criterion to the second criterion to perform cell selection or cell reselection.
- the cells that meet the fourth condition include at least one of the following:
- the cell does not support slicing
- the cell does not support the slice information required by the terminal equipment
- the slice information required by the terminal device does not match the slice information supported by the cell;
- the cell supports the first criterion.
- the terminal device 400 further includes:
- a communication unit configured to receive first indication information sent by a network device, where the first indication information is used to instruct the terminal device to determine execution according to the slice information of the terminal device and/or the slice information of the network device target criteria for cell selection or cell reselection, and perform cell selection or cell reselection according to the target criteria.
- the processing unit 410 is further configured to:
- Cell selection or cell reselection is performed according to a first criterion, wherein the first criterion is used to instruct to perform cell selection or cell reselection based on slice information of the terminal device and/or slice information of the network device.
- the processing unit 410 is further configured to:
- the cell selection or cell reselection is performed according to the second criterion, wherein the second criterion is used to indicate that the terminal equipment is not based on and/or the slice information of the network device to perform cell selection or cell reselection; or,
- a target cell for cell selection or reselection is determined among the candidate cells determined according to the first criterion.
- the cell selection or reselection result satisfying the third condition includes at least one of the following conditions:
- the channel quality of the cell is less than or not greater than the first cell selection or reselection threshold corresponding to the slice of the network device;
- the channel quality of the cell is less than or not greater than the first cell selection or reselection threshold corresponding to the slice of the network device and the duration is greater than or equal to the first duration;
- the candidate cell determined according to the first criterion does not support slicing
- the slice supported by the candidate cell determined according to the first criterion does not match the slice required by the terminal device
- the candidate cell determined according to the first criterion does not support slicing
- the candidate cell determined according to the first criterion does not support the required slice
- Candidate cells determined according to the first criterion do not support or are not indicated to support the first criterion.
- the target cell for cell selection or reselection satisfies at least one of the following conditions:
- the channel quality is higher than the second cell selection or reselection threshold, the channel quality is the best, the number of beams is the largest, the corresponding frequency point has the highest priority, supports slices, supports the slice information required by the terminal equipment, the supported slice information and the terminal equipment The required slice information matches.
- the processing unit 410 is further configured to:
- a cell meeting at least one of the following conditions is determined to be a suitable cell and/or a standard service is performed on the suitable cell:
- the network device does not support slicing
- the network device does not support the slice information required by the terminal device
- the slice information required by the terminal device does not match the slice information supported by the network device.
- the processing unit 410 is further configured to:
- a cell that satisfies at least one of the following conditions is determined to be an acceptable cell and/or a restricted service is performed on the acceptable cell:
- the network device does not support slicing
- the network device does not support the slice information required by the terminal device
- the slice information required by the terminal device does not match the slice information supported by the network device.
- the processing unit 410 is further configured to:
- a cell that satisfies at least one of the following conditions is determined to be an acceptable cell and/or a restricted service is performed on the acceptable cell:
- the network device does not support slicing
- the network device does not support the slice information required by the terminal device
- the slice information required by the terminal device does not match the slice information supported by the network device;
- the terminal device performs cell selection or cell reselection using the first criterion
- the terminal device falls back to the second criterion to perform cell selection or cell reselection.
- the processing unit 410 is further configured to:
- a cell meeting at least one of the following conditions is determined to be a suitable cell and/or a standard service is performed on the suitable cell:
- the terminal device performs cell selection or cell reselection using or falling back to the second criterion.
- the terminal device 400 further includes:
- a communication unit configured to receive second indication information sent by a network device, where the second indication information is used to instruct the terminal device to perform cell selection or cell reselection according to the first criterion.
- the terminal device 400 further includes:
- a communication unit configured to receive third indication information sent by a network device, where the third indication information is used to instruct the terminal device to perform cell selection or cell reselection results obtained by performing cell selection or cell reselection according to the first criterion If the third condition is satisfied, fall back to the second criterion to perform cell selection or cell reselection, or determine a target cell according to the result of executing the cell selection or cell reselection based on the first criterion.
- the above-mentioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
- the aforementioned processing unit may be one or more processors.
- terminal device 400 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 400 are for the purpose of realizing FIG. 2 to FIG. 4 , respectively.
- the corresponding process of the terminal device in the shown method 200 is not repeated here for brevity.
- FIG. 7 is a schematic block diagram of a network device according to an embodiment of the present application.
- the network device 500 of FIG. 7 includes:
- the communication unit 510 is configured to send indication information to a terminal device, where the indication information is used to instruct the terminal device to perform cell selection or cell reselection.
- the indication information includes first indication information, where the first indication information is used to instruct the terminal device to determine according to slice information of the terminal device and/or slice information of the network device A target criterion for cell selection or cell reselection is performed, and cell selection or cell reselection is performed according to the target criterion.
- the indication information includes second indication information, where the second indication information is used to instruct the terminal device to perform cell selection or cell reselection according to a first criterion, and the first criterion may indicate that Cell selection or cell reselection is performed based on the slice information of the terminal device and/or the slice information of the network device.
- the indication information includes third indication information
- the third indication information is used to instruct the terminal device to perform cell selection or cell reselection according to the first criterion in cell selection or cell selection. If the reselection result satisfies the third condition, fall back to the second criterion to perform cell selection or cell reselection, or determine a target according to the result of executing the cell selection or cell reselection based on the first criterion community.
- the indication information is sent by at least one of the following signaling: system information and dedicated signaling.
- the above-mentioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
- the network device 500 according to the embodiment of the present application may correspond to the network device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the network device 500 are respectively for realizing the method shown in FIG. 5 .
- the corresponding process of the network device in 300 is not repeated here for brevity.
- FIG. 8 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
- the communication device 600 shown in FIG. 8 includes a processor 610, and the processor 610 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
- the communication device 600 may further include a memory 620 .
- the processor 610 may call and run a computer program from the memory 620 to implement the methods in the embodiments of the present application.
- the memory 620 may be a separate device independent of the processor 610 , or may be integrated in the processor 610 .
- the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, may send information or data to other devices, or receive other devices Information or data sent by a device.
- the transceiver 630 may include a transmitter and a receiver.
- the transceiver 630 may further include antennas, and the number of the antennas may be one or more.
- the communication device 600 may specifically be the network device in this embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the network device in each method in the embodiment of the present application. For the sake of brevity, details are not repeated here. .
- the communication device 600 may specifically be the mobile terminal/terminal device of the embodiments of the present application, and the communication device 600 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, for the sake of brevity. , and will not be repeated here.
- FIG. 9 is a schematic structural diagram of a chip according to an embodiment of the present application.
- the chip 700 shown in FIG. 9 includes a processor 710, and the processor 710 can call and run a computer program from a memory, so as to implement the method in this embodiment of the present application.
- the chip 700 may further include a memory 720 .
- the processor 710 may call and run a computer program from the memory 720 to implement the methods in the embodiments of the present application.
- the memory 720 may be a separate device independent of the processor 710 , or may be integrated in the processor 710 .
- the chip 700 may further include an input interface 730 .
- the processor 710 may control the input interface 730 to communicate with other devices or chips, and specifically, may acquire information or data sent by other devices or chips.
- the chip 700 may further include an output interface 740 .
- the processor 710 can control the output interface 740 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
- the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the network device in each method of the embodiment of the present application, which is not repeated here for brevity.
- the chip can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
- the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
- the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
- the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
- FIG. 10 is a schematic block diagram of a communication system 900 provided by an embodiment of the present application. As shown in FIG. 10 , the communication system 900 includes a terminal device 910 and a network device 920 .
- the terminal device 910 can be used to implement the corresponding functions implemented by the terminal device in the above method
- the network device 920 can be used to implement the corresponding functions implemented by the network device in the above method. For brevity, details are not repeated here. .
- the processor in this embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
- each step of the above method embodiments may be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software.
- the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
- DSP Digital Signal Processor
- ASIC Application Specific Integrated Circuit
- FPGA Field Programmable Gate Array
- a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
- the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
- the software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
- the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
- the memory in this embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically programmable read-only memory (Erasable PROM, EPROM). Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- Volatile memory may be Random Access Memory (RAM), which acts as an external cache.
- RAM Static RAM
- DRAM Dynamic RAM
- SDRAM Synchronous DRAM
- SDRAM double data rate synchronous dynamic random access memory
- Double Data Rate SDRAM DDR SDRAM
- enhanced SDRAM ESDRAM
- synchronous link dynamic random access memory Synchlink DRAM, SLDRAM
- Direct Rambus RAM Direct Rambus RAM
- the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, the memory in the embodiments of the present application is intended to include but not limited to these and any other suitable types of memory.
- Embodiments of the present application further provide a computer-readable storage medium for storing a computer program.
- the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application.
- the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application.
- the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application. , and are not repeated here for brevity.
- Embodiments of the present application also provide a computer program product, including computer program instructions.
- the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. Repeat.
- the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, For brevity, details are not repeated here.
- the embodiments of the present application also provide a computer program.
- the computer program can be applied to the network device in the embodiments of the present application.
- the computer program When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. For the sake of brevity. , and will not be repeated here.
- the computer program may be applied to the mobile terminal/terminal device in the embodiments of the present application, and when the computer program is run on the computer, the mobile terminal/terminal device implements the various methods of the computer program in the embodiments of the present application.
- the corresponding process for the sake of brevity, will not be repeated here.
- the disclosed system, apparatus and method may be implemented in other manners.
- the apparatus embodiments described above are only illustrative.
- the division of the units is only a logical function division. In actual implementation, there may be other division methods.
- multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
- the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
- the functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium.
- the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution.
- the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application.
- the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (41)
- 一种无线通信的方法,其特征在于,包括:终端设备根据所述终端设备的切片信息和/或网络设备的切片信息,执行小区选择或小区重选。
- 根据权利要求1所述的方法,其特征在于,所述终端设备的切片信息包括以下中的至少一项:所述终端设备是否支持切片;所述终端设备是否获取到所述终端设备需求的切片信息;所述终端设备是否获取到所述网络设备支持的切片信息;所述终端设备需求的切片信息。
- 根据权利要求2所述的方法,其特征在于,所述终端设备需求的切片信息包括以下中的至少一项:所述终端设备需求的切片对应的切片标识;所述终端设备需求的切片对应的切片组标识;所述终端设备需求的切片对应的参数。
- 根据权利要求1-3中任一项所述的方法,其特征在于,所述网络设备的切片信息包括以下中的至少一项:所述网络设备是否支持切片;所述网络设备支持的切片信息。
- 根据权利要求4所述的方法,其特征在于,所述网络设备支持的切片信息包括以下中的至少一项:所述网络设备支持的切片对应的切片标识;所述网络设备支持的切片对应的切片组标识;所述网络设备支持的切片对应的参数;所述网络设备支持的切片对应的频点优先级;所述网络设备支持的切片对应的小区选择参数或小区重选参数。
- 根据权利要求1-5中任一项所述的方法,其特征在于,所述终端设备根据所述终端设备的切片信息和/或网络设备的切片信息,执行小区选择或小区重选,包括:所述终端设备根据所述终端设备的切片信息和/或所述网络设备的切片信息,确定执行小区选择或小区重选的目标准则;所述终端设备根据所述目标准则执行小区选择或小区重选。
- 根据权利要求6所述的方法,其特征在于,所述终端设备根据所述终端设备的切片信息和/或所述网络设备的切片信息,确定执行小区选择或小区重选的目标准则,包括:所述终端设备在满足第一条件的情况下,确定执行小区选择或小区重选的目标准则为第一准则,其中,所述第一准则用于指示基于终端设备的切片信息和/或所述网络设备的切片信息执行小区选择或小区重选。
- 根据权利要求7所述的方法,其特征在于,所述第一条件包括以下中的至少一项:所述终端设备支持切片;所述终端设备获取到所述终端设备需求的切片信息;所述终端设备需求的切片信息和所述网络设备支持的切片信息匹配。
- 根据权利要求6-8中任一项所述的方法,其特征在于,所述方法还包括:所述终端设备确定满足以下条件中的至少之一的小区为合适小区和/或在所述合适小区上执行标准服务:支持所述终端设备需求的切片信息;所述终端设备需求的切片信息和网络设备支持的切片信息匹配。
- 根据权利要求6-9中任一项所述的方法,其特征在于,所述方法还包括:所述终端设备确定满足以下条件中的至少之一的小区为可接受小区和/或在所述可接受小区上执行受限服务:不支持所述终端设备需求的切片信息;所述终端设备需求的切片信息和网络设备支持的切片信息不匹配。
- 根据权利要求1-10中任一项所述的方法,其特征在于,所述终端设备根据所述终端设备的切片信息和/或所述网络设备的切片信息,确定执行小区选择或小区重选的目标准则,包括:所述终端设备在满足第二条件的情况下,确定执行小区选择或小区重选的目标准则为第二准则,其中,所述第二准则用于指示不基于所述终端设备的切片信息和/或所述网络设备的切片信息执行小 区选择或小区重选。
- 根据权利要求11所述的方法,其特征在于,所述第二条件包括以下中的至少一项:所述终端设备不支持切片;所述终端设备未获取到所述终端设备的切片信息;所述终端设备需求的切片信息和所述网络设备支持的切片信息不匹配。
- 根据权利要求11或12所述的方法,其特征在于,所述方法还包括:所述终端设备确定满足以下条件中的至少之一的小区为可接受小区和/或在所述可接受小区上执行受限服务:不支持所述终端设备需求的切片信息;所述终端设备需求的切片信息和网络设备支持的切片信息不匹配。
- 根据权利要求11或12所述的方法,其特征在于,所述方法还包括:所述终端设备确定满足以下条件中的至少之一的小区为合适小区和/或在所述合适小区上执行标准服务:不支持所述终端设备需求的切片信息;所述终端设备需求的切片信息和网络设备支持的切片信息不匹配。
- 根据权利要求6-14中任一项所述的方法,其特征在于,所述方法还包括:所述终端设备接收网络设备发送的第一指示信息,其中,所述第一指示信息用于指示所述终端设备根据所述终端设备的切片信息和/或所述网络设备的切片信息确定执行小区选择或小区重选的目标准则,并根据所述目标准则执行小区选择或小区重选。
- 根据权利要求1-5中任一项所述的方法,其特征在于,所述终端设备根据所述终端设备的切片信息和/或网络设备的切片信息,执行小区选择或小区重选,包括:所述终端设备根据第一准则,执行小区选择或小区重选,其中,所述第一准则用于指示基于所述终端设备的切片信息和/或网络设备的切片信息执行小区选择或小区重选。
- 根据权利要求16所述的方法,其特征在于,所述方法还包括:在基于所述第一准则的小区选择或重选结果满足第三条件的情况下,根据第二准则执行小区选择或小区重选,其中,所述第二准则用于指示不基于所述终端设备的切片信息和/或网络设备的切片信息执行小区选择或小区重选;或者,在基于所述第一准则的小区选择或重选结果满足第三条件的情况下,在根据所述第一准则所确定的候选小区中确定小区选择或重选的目标小区。
- 根据权利要求17所述的方法,其特征在于,所述小区选择或重选结果满足第三条件,包括以下中的至少一个情况:小区的信道质量小于或不大于网络设备的切片对应的第一小区选择或重选门限;小区的信道质量小于或不大于网络设备的切片对应的第一小区选择或重选门限的时长大于或等于第一时长;根据所述第一准则确定的候选小区不支持切片;根据所述第一准则确定的候选小区支持的切片和终端设备需求的切片不匹配;根据所述第一准则确定的候选小区不支持切片;根据所述第一准则确定的候选小区不支持需求的切片;根据所述第一准则确定的候选小区不支持或未被指示为支持所述第一准则。
- 根据权利要求17或18所述的方法,其特征在于,所述小区选择或重选的目标小区满足以下条件中的至少一种:信道质量高于第二小区选择或重选门限、信道质量最优、波束数量最多、对应的频点优先级最高、支持切片、支持终端设备需求的切片信息、支持的切片信息与所述终端设备需求的切片信息匹配。
- 根据权利要求17-19中任一项所述的方法,其特征在于,所述方法还包括:所述终端设备在满足以下至少一个条件的情况下,确定满足第四条件的小区为合适小区和/或在所述合适小区上执行标准服务:根据所述第一准则执行小区选择或重选得到的小区选择或重选结果满足所述第三条件;所述终端设备使用所述第二准则执行小区选择或小区重选;所述终端设备从所述第一准则回退到所述第二准则执行小区选择或小区重选。
- 根据权利要求17-19中任一项所述的方法,其特征在于,所述方法还包括:所述终端设备在满足以下至少一个条件的情况下,确定满足第四条件的小区为可接受小区和/或在所述可接受小区上执行受限服务:根据所述第一准则执行小区选择或重选得到的小区选择或重选结果不满足所述第三条件;所述终端设备使用所述第一准则执行小区选择或小区重选;所述终端设备从所述第一准则回退到所述第二准则执行小区选择或小区重选。
- 根据权利要求20或21所述的方法,其特征在于,所述满足第四条件的小区包括以下中的至少一种:小区不支持切片;小区不支持所述终端设备需求的切片信息;所述终端设备需求的切片信息和小区支持的切片信息不匹配;小区不支持第一准则。
- 根据权利要求17-22中任一项所述的方法,其特征在于,所述方法还包括:所述终端设备接收网络设备发送的第二指示信息,所述第二指示信息用于指示所述终端设备根据所述第一准则执行小区选择或小区重选。
- 根据权利要求17-23中任一项所述的方法,其特征在于,所述方法还包括:所述终端设备接收网络设备发送的第三指示信息,所述第三指示信息用于指示所述终端设备在根据所述第一准则执行小区选择或小区重选得到的小区选择或重选结果满足所述第三条件的情况下,回退到所述第二准则执行小区选择或小区重选,或者根据基于所述第一准则执行所述小区选择或小区重选的结果确定目标小区。
- 一种无线通信的方法,其特征在于,包括:网络设备向终端设备发送指示信息,所述指示信息用于指示所述终端设备执行小区选择或小区重选的方式。
- 根据权利要求25的方法,其特征在于,所述指示信息包括第一指示信息,所述第一指示信息用于指示所述终端设备根据所述终端设备的切片信息和/或所述网络设备的切片信息确定执行小区选择或小区重选的目标准则,并根据所述目标准则执行小区选择或小区重选。
- 根据权利要求25的方法,其特征在于,所述指示信息包括第二指示信息,所述第二指示信息用于指示所述终端设备根据第一准则执行小区选择或小区重选,所述第一准则可以指示基于所述终端设备的切片信息和/或网络设备的切片信息执行小区选择或小区重选。
- 根据权利要求25或27的方法,其特征在于,所述指示信息包括第三指示信息,所述第三指示信息用于指示所述终端设备在根据第一准则执行小区选择或小区重选得到的小区选择或重选结果满足第三条件的情况下,回退到第二准则执行小区选择或小区重选,或者根据基于所述第一准则执行所述小区选择或小区重选的结果确定目标小区,其中,所述第二准则用于指示不基于所述终端设备的切片信息和/或所述网络设备的切片信息执行小区选择或小区重选。
- 根据权利要求25-28中任一项的方法,其特征在于,所述指示信息通过以下信令中的至少一个发送:系统信息,专用信令。
- 一种终端设备,其特征在于,包括:处理单元,用于根据所述终端设备的切片信息和/或网络设备的切片信息,执行小区选择或小区重选。
- 一种网络设备,其特征在于,包括:通信单元,用于向终端设备发送指示信息,所述指示信息用于指示所述终端设备执行小区选择或小区重选的方式。
- 一种终端设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求1至24中任一项所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至24中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至24中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至24中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1至24中任一项所述的方法。
- 一种网络设备,其特征在于,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求25至29中任一项所述的方 法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求25至29中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求25至29中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求25至29中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求25至29中任一项所述的方法。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2021/082895 WO2022198545A1 (zh) | 2021-03-25 | 2021-03-25 | 无线通信的方法、终端设备和网络设备 |
| CN202311407400.XA CN117202292B (zh) | 2021-03-25 | 2021-03-25 | 无线通信的方法、终端设备和网络设备 |
| EP21932173.4A EP4247064B1 (en) | 2021-03-25 | 2021-03-25 | Wireless communication methods, terminal devices, and network devices for cell selection/reselection |
| ES21932173T ES3035599T3 (en) | 2021-03-25 | 2021-03-25 | Wireless communication methods, terminal devices, and network devices for cell selection/reselection |
| CN202180076921.4A CN116491161A (zh) | 2021-03-25 | 2021-03-25 | 无线通信的方法、终端设备和网络设备 |
| US18/209,698 US12581398B2 (en) | 2021-03-25 | 2023-06-14 | Wireless communication method, terminal device and network device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2021/082895 WO2022198545A1 (zh) | 2021-03-25 | 2021-03-25 | 无线通信的方法、终端设备和网络设备 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US18/209,698 Continuation US12581398B2 (en) | 2021-03-25 | 2023-06-14 | Wireless communication method, terminal device and network device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022198545A1 true WO2022198545A1 (zh) | 2022-09-29 |
Family
ID=83395043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2021/082895 Ceased WO2022198545A1 (zh) | 2021-03-25 | 2021-03-25 | 无线通信的方法、终端设备和网络设备 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12581398B2 (zh) |
| EP (1) | EP4247064B1 (zh) |
| CN (2) | CN117202292B (zh) |
| ES (1) | ES3035599T3 (zh) |
| WO (1) | WO2022198545A1 (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114073133A (zh) * | 2019-08-02 | 2022-02-18 | Oppo广东移动通信有限公司 | 功率控制方法、装置、计算机设备和存储介质 |
| WO2022198545A1 (zh) * | 2021-03-25 | 2022-09-29 | Oppo广东移动通信有限公司 | 无线通信的方法、终端设备和网络设备 |
| US12101625B2 (en) * | 2021-10-08 | 2024-09-24 | Dish Wireless L.L.C. | Selective handover of cellular device based on network slicing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109392040A (zh) * | 2017-08-11 | 2019-02-26 | 展讯通信(上海)有限公司 | 用户设备及其进行小区重选的方法、计算机可读介质 |
| CN112449387A (zh) * | 2019-09-04 | 2021-03-05 | 中国移动通信有限公司研究院 | 一种通信方法、终端及基站 |
Family Cites Families (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100417299C (zh) | 2005-10-31 | 2008-09-03 | 华为技术有限公司 | 一种避免干扰小区多播业务的方法 |
| KR101929307B1 (ko) | 2011-04-11 | 2018-12-17 | 삼성전자 주식회사 | Csg 셀에서 단말이 셀 재선택 우선 순위를 효율적으로 제어하는 방법 및 장치 |
| EP2915367B1 (en) * | 2012-11-05 | 2016-04-27 | Telefonaktiebolaget LM Ericsson (publ) | Methods and devices regarding cell reselection for a user equipment |
| WO2017030713A1 (en) * | 2015-08-19 | 2017-02-23 | Qualcomm Incorporated | Identifying, avoiding, and/or allowing limited access to sub-optimal cells |
| US10785692B2 (en) * | 2016-06-30 | 2020-09-22 | Sony Corporation | Method and user equipment for mobility and classification based restricted measurement list creation in virtual cells |
| WO2018030867A1 (ko) * | 2016-08-11 | 2018-02-15 | 삼성전자 주식회사 | 서비스 기반 셀 선택 및 재선택 제어 방법 |
| EP3537771B1 (en) * | 2016-11-11 | 2020-08-05 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Wireless communication method and device for network slice determination |
| JP6997787B2 (ja) | 2017-01-05 | 2022-02-10 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | 専用システム情報および共用システム情報の管理 |
| US11240720B2 (en) * | 2017-06-02 | 2022-02-01 | FG Innovation Company Limited | Methods, devices, and systems for service-driven mobility management |
| WO2018226055A1 (en) | 2017-06-08 | 2018-12-13 | Lg Electronics Inc. | Method and apparatus for deleting system information |
| CN113766588B (zh) * | 2017-06-16 | 2023-04-07 | 华为技术有限公司 | 小区重选方法及相关设备 |
| KR102601712B1 (ko) | 2017-09-20 | 2023-11-15 | 삼성전자 주식회사 | 무선 통신 시스템에서 데이터 송수신 방법 및 장치 |
| EP3589064B1 (en) * | 2018-06-21 | 2021-06-23 | Nokia Technologies Oy | Connection re-establishment, connection setup and cell selection in wireless networks |
| CN110769458B (zh) * | 2018-07-27 | 2021-09-07 | 华为技术有限公司 | 通信方法、接入网设备和终端设备 |
| US11539699B2 (en) * | 2018-08-13 | 2022-12-27 | Lenovo (Singapore) Pte. Ltd. | Network slice authentication |
| CN111565428B (zh) | 2019-02-14 | 2022-10-25 | 华为技术有限公司 | 小区重选方法以及装置 |
| US12279324B2 (en) | 2019-05-02 | 2025-04-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Granular request for early measurement reporting |
| KR102815334B1 (ko) | 2019-08-23 | 2025-06-02 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | 셀 선택의 방법, 단말기 디바이스 및 네트워크 디바이스 |
| CN115087059B (zh) * | 2019-10-21 | 2024-03-19 | 北京小米移动软件有限公司 | 小区重选方法及装置、通信设备 |
| EP4082246A4 (en) * | 2020-01-18 | 2024-02-07 | Fg Innovation Company Limited | User equipment and method for cell reselection |
| CN111386727B (zh) * | 2020-01-20 | 2022-10-11 | 北京小米移动软件有限公司 | 小区重选、信息传输方法及装置、通信设备及存储介质 |
| CA3109172A1 (en) * | 2020-02-13 | 2021-08-13 | Comcast Cable Communications, Llc | Cell selection for wireless communications |
| CN121692076A (zh) | 2020-02-17 | 2026-03-17 | 华为技术有限公司 | 通信方法及通信装置 |
| US12035229B2 (en) * | 2020-03-09 | 2024-07-09 | Qualcomm Incorporated | Slice-aware PLMN selection |
| US11432159B2 (en) * | 2020-06-15 | 2022-08-30 | At&T Intellectual Property I, L.P. | 5G network slice pre-configuration |
| CN116325938B (zh) * | 2020-08-03 | 2025-09-02 | 中兴通讯股份有限公司 | 无线通信中的小区配置方案 |
| EP4195778A4 (en) * | 2020-08-06 | 2024-05-15 | Beijing Xiaomi Mobile Software Co., Ltd. | CELL DETERMINATION METHOD AND CELL DETERMINATION DEVICE |
| CN117354877A (zh) * | 2020-10-20 | 2024-01-05 | 北京小米移动软件有限公司 | 频率优先级确定、信息下发方法及装置、设备及介质 |
| US12432649B2 (en) * | 2020-10-21 | 2025-09-30 | Lg Electronics Inc. | Method and apparatus for cell reselection in wireless communication system |
| US20220303884A1 (en) | 2020-10-22 | 2022-09-22 | Apple Inc. | Radio Access Network Connectivity Enhancements for Network Slicing |
| CN112492658B (zh) * | 2020-12-21 | 2023-02-17 | 苏州三六零智能安全科技有限公司 | 用户均衡方法、设备、存储介质及装置 |
| WO2022141426A1 (zh) * | 2020-12-31 | 2022-07-07 | Oppo广东移动通信有限公司 | 一种切片信息的指示方法、终端设备及网络设备 |
| CN117479264B (zh) * | 2021-01-08 | 2025-06-27 | Oppo广东移动通信有限公司 | 无线通信方法和终端设备 |
| WO2022198545A1 (zh) * | 2021-03-25 | 2022-09-29 | Oppo广东移动通信有限公司 | 无线通信的方法、终端设备和网络设备 |
| CN115190548A (zh) * | 2021-04-01 | 2022-10-14 | 中国移动通信有限公司研究院 | 一种小区选择或重选方法、装置、通信设备及存储介质 |
| WO2022217451A1 (en) * | 2021-04-13 | 2022-10-20 | Zte Corporation | Slice aware cell selection and random access techniques |
| EP4420426A4 (en) * | 2021-10-20 | 2025-08-27 | Lg Electronics Inc | METHOD AND APPARATUS FOR SLOT-AWARE CELL SELECTION AND RESELECTION IN A WIRELESS COMMUNICATION SYSTEM |
-
2021
- 2021-03-25 WO PCT/CN2021/082895 patent/WO2022198545A1/zh not_active Ceased
- 2021-03-25 CN CN202311407400.XA patent/CN117202292B/zh active Active
- 2021-03-25 EP EP21932173.4A patent/EP4247064B1/en active Active
- 2021-03-25 CN CN202180076921.4A patent/CN116491161A/zh active Pending
- 2021-03-25 ES ES21932173T patent/ES3035599T3/es active Active
-
2023
- 2023-06-14 US US18/209,698 patent/US12581398B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109392040A (zh) * | 2017-08-11 | 2019-02-26 | 展讯通信(上海)有限公司 | 用户设备及其进行小区重选的方法、计算机可读介质 |
| CN112449387A (zh) * | 2019-09-04 | 2021-03-05 | 中国移动通信有限公司研究院 | 一种通信方法、终端及基站 |
Non-Patent Citations (3)
| Title |
|---|
| ITRI: "Assistant information to enable UE fast access network slice", 3GPP DRAFT; R2-2009644, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. electronic; 20201102 - 20201113, 23 October 2020 (2020-10-23), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051942565 * |
| OPPO: "Consideration on slice-specific cell (re)selection", 3GPP DRAFT; R2-2100894, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. E-meeting; 20210101, 15 January 2021 (2021-01-15), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051973991 * |
| See also references of EP4247064A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4247064B1 (en) | 2025-06-04 |
| EP4247064A1 (en) | 2023-09-20 |
| US20230328636A1 (en) | 2023-10-12 |
| US12581398B2 (en) | 2026-03-17 |
| CN116491161A (zh) | 2023-07-25 |
| CN117202292B (zh) | 2025-05-09 |
| ES3035599T3 (en) | 2025-09-05 |
| CN117202292A (zh) | 2023-12-08 |
| EP4247064A4 (en) | 2024-01-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111565428B (zh) | 小区重选方法以及装置 | |
| US20230138812A1 (en) | Wireless communication method, terminal device, and network device | |
| CN115280843B (zh) | 小区重选的方法、终端设备和网络设备 | |
| US20230239097A1 (en) | Wireless communication method, terminal device and network device | |
| WO2021168661A1 (zh) | 信息传输方法、终端设备和网络设备 | |
| US12581398B2 (en) | Wireless communication method, terminal device and network device | |
| CN118476272A (zh) | 通信方法、终端设备及网络设备 | |
| CN117693957A (zh) | 测量位置的确定方法、终端设备、芯片和存储介质 | |
| WO2022027811A1 (zh) | 无线通信的方法、终端设备和网络设备 | |
| CN115699868B (zh) | 重选初始带宽部分bwp的方法、终端设备和网络设备 | |
| US20230388879A1 (en) | Wireless communication method, terminal device, and storage medium | |
| EP4192178A1 (en) | Method for selecting initial bandwidth part (bwp), terminal device and network device | |
| WO2022000311A1 (zh) | 无线通信的方法、终端设备和网络设备 | |
| US20250039836A1 (en) | Information processing method, terminal device, and network device | |
| US20240414616A1 (en) | Communication method and network device | |
| WO2022027684A1 (zh) | 信息上报方法、信息处理方法、终端设备和网络设备 | |
| CN119697689A (zh) | 无线通信方法、用户设备和网络设备 | |
| WO2022178844A1 (zh) | 无线通信的方法、终端设备和网络设备 | |
| WO2023092456A1 (zh) | 无线通信的方法、终端设备和网络设备 | |
| WO2022000301A1 (zh) | 信号测量的方法、终端设备和网络设备 | |
| US12634910B2 (en) | Method for selecting initial bandwidth part (BWP), terminal device and network device | |
| WO2022193240A1 (zh) | 网络选择的方法、终端设备和网络设备 | |
| WO2025185475A9 (zh) | 通信方法、装置及存储介质 | |
| WO2024065324A1 (zh) | 通信方法和设备 | |
| WO2025086093A1 (zh) | 一种管理波束的方法以及装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21932173 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 202180076921.4 Country of ref document: CN |
|
| ENP | Entry into the national phase |
Ref document number: 2021932173 Country of ref document: EP Effective date: 20230615 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWG | Wipo information: grant in national office |
Ref document number: 2021932173 Country of ref document: EP |