WO2023230844A1 - Procédé et appareil de configuration de paramètres de cellule, dispositif et support de stockage - Google Patents

Procédé et appareil de configuration de paramètres de cellule, dispositif et support de stockage Download PDF

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Publication number
WO2023230844A1
WO2023230844A1 PCT/CN2022/096259 CN2022096259W WO2023230844A1 WO 2023230844 A1 WO2023230844 A1 WO 2023230844A1 CN 2022096259 W CN2022096259 W CN 2022096259W WO 2023230844 A1 WO2023230844 A1 WO 2023230844A1
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WIPO (PCT)
Prior art keywords
parameter
target cell
cell
terminal
parameters
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PCT/CN2022/096259
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English (en)
Chinese (zh)
Inventor
李小龙
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2022/096259 priority Critical patent/WO2023230844A1/fr
Priority to CN202280001997.5A priority patent/CN117501745A/zh
Publication of WO2023230844A1 publication Critical patent/WO2023230844A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements

Definitions

  • the present application relates to the field of mobile communications, and in particular to a cell parameter configuration method, device, equipment and storage medium.
  • the target cell is a cell that the terminal may select or access.
  • the network device uses a Radio Resource Control (RRC) reconfiguration (Reconfiguration) message to configure the cell parameters of the target cell to the terminal.
  • RRC Radio Resource Control
  • Reconfiguration reconfiguration
  • the network device will send the parameters of the target cell to the terminal through the RRC reconfiguration message.
  • the RRC reconfiguration message used will cause a large amount of signaling overhead.
  • Embodiments of the present application provide a cell parameter configuration method, device, equipment and storage medium.
  • the technical solutions are as follows:
  • a method for configuring cell parameters is provided.
  • the method is executed by a network device.
  • the method includes:
  • the SI includes the first parameter of the target cell
  • the RRC message includes the second parameter of the target cell
  • a method for configuring cell parameters is provided.
  • the method is executed by a terminal, and the method includes:
  • the SI includes the first parameter of the target cell
  • the RRC message includes the second parameter of the target cell
  • a device for configuring cell parameters includes:
  • a sending module used to configure the cell parameters of the target cell for the terminal through SI and RRC messages;
  • the SI includes the first parameter of the target cell
  • the RRC message includes the second parameter of the target cell
  • a device for configuring cell parameters includes:
  • a receiving module configured to receive SI and RRC messages sent by the network device for configuring cell parameters of the target cell for the terminal;
  • the SI includes the first parameter of the target cell
  • the RRC message includes the second parameter of the target cell
  • a network device includes: a processor; a transceiver connected to the processor; a memory for storing executable instructions of the processor; wherein, The processor is configured to load and execute the executable instructions to implement the cell parameter configuration method as described in the above aspect.
  • a terminal which terminal includes: a processor; a transceiver connected to the processor; a memory for storing executable instructions of the processor; wherein, the The processor is configured to load and execute the executable instructions to implement the cell parameter configuration method as described in the above aspect.
  • a computer-readable storage medium in which executable instructions are stored, and the executable instructions are loaded and executed by a processor to implement the above aspects. How to configure cell parameters.
  • a chip is provided.
  • the chip includes programmable logic circuits and/or program instructions. When the chip is run on a computer device, it is used to implement the cell parameters described in the above aspects. Configuration method.
  • a computer program product or computer program includes computer instructions.
  • the computer instructions are stored in a computer-readable storage medium.
  • a processor reads the computer instructions from the computer program.
  • the readable storage medium reads and executes the computer instructions, so that the computer device executes the cell parameter configuration method described in the above aspect.
  • the terminal is configured with cell parameters of the target cell. Since SI is used to configure the cell parameters of the target cell, the number of cell parameters of the target cell carried in the RRC message can be reduced. Moreover, SI is sent by broadcast. All terminals in the cell can receive the SI broadcast by the network equipment, which will reduce signaling overhead. Reducing the number of parameters carried by the RRC message can reduce the signaling overhead of using the RRC message to configure cell parameters of the target cell.
  • Figure 1 is a schematic diagram of an NTN scenario based on transparent forwarding provided by an exemplary embodiment of the present application
  • Figure 2 is a schematic diagram of an NTN scenario based on regenerative forwarding provided by an exemplary embodiment of the present application
  • Figure 3 is a schematic diagram of a terminal switching connected satellites provided by an exemplary embodiment of the present application.
  • Figure 4 is a schematic diagram of the system architecture of a communication system provided by an exemplary embodiment of the present application.
  • Figure 5 is a flow chart of a cell parameter configuration method provided by an exemplary embodiment of the present application.
  • Figure 6 is a flow chart of a cell parameter configuration method provided by an exemplary embodiment of the present application.
  • Figure 7 is a flow chart of a cell parameter configuration method provided by an exemplary embodiment of the present application.
  • Figure 8 is a flow chart of a cell parameter configuration method provided by an exemplary embodiment of the present application.
  • Figure 9 is a structural block diagram of a cell parameter configuration device provided by an exemplary embodiment of the present application.
  • Figure 10 is a structural block diagram of a cell parameter configuration device provided by an exemplary embodiment of the present application.
  • Figure 11 is a schematic structural diagram of a communication device provided by an exemplary embodiment of the present application.
  • first, second, third, etc. may be used in this disclosure to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • word “if” as used herein may be interpreted as "when” or “when” or “in response to determining.”
  • the terminal needs to use the cell parameters of the target cell.
  • the target cell is a cell that the terminal may select or access.
  • NTN Non-Terrestrial Networks
  • the network device uses the RRC reconfiguration message to configure the cell parameters of the target cell to the terminal.
  • NTN technology generally uses satellite communications to provide communication services to ground users.
  • satellite communications have many unique advantages.
  • satellite communication is not restricted by the user's geographical area. For example, general land communication cannot cover areas such as oceans, mountains, deserts, etc. where communication equipment cannot be installed or where communication coverage is not available due to sparse population.
  • a satellite That is to say, it can cover a large area of the ground, and satellites can orbit the earth, so theoretically every corner of the earth can be covered by satellite communications.
  • satellite communications have great social value.
  • Satellite communications can cover remote mountainous areas and poor and backward countries or regions at a lower cost, allowing people in these areas to enjoy advanced voice communications and mobile Internet technologies, which is conducive to narrowing the digital divide with developed regions and promoting regional develop.
  • satellite communication has a long distance, and the cost of communication does not increase significantly as the communication distance increases; finally, satellite communication has high stability and is not restricted by natural disasters.
  • LEO Low-Earth Orbit
  • MEO Medium-Earth Orbit
  • GEO Geostationary Earth Orbit
  • HEO High Elliptical Orbit
  • the altitude range of low-orbit satellites is 500km ⁇ 1500km, and the corresponding orbital period is about 1.5 hours ⁇ 2 hours.
  • the signal propagation delay of single-hop communication between users is generally less than 20ms.
  • the maximum satellite visibility time is 20 minutes.
  • the signal propagation distance is short, the link loss is small, and the transmission power requirements of the user terminal are not high.
  • 2.GEO Geosynchronous orbit satellite, with an orbital altitude of 35,786km and a rotation period of 24 hours around the earth.
  • the signal propagation delay for single-hop communication between users is generally 250ms.
  • satellites use multiple beams to cover the ground.
  • One satellite can form dozens or even hundreds of beams to cover the ground; one satellite beam can cover dozens to hundreds of kilometers in diameter.
  • Ground area In order to ensure satellite coverage and improve the system capacity of the entire satellite communication system, satellites use multiple beams to cover the ground.
  • One satellite can form dozens or even hundreds of beams to cover the ground; one satellite beam can cover dozens to hundreds of kilometers in diameter. Ground area.
  • FIG. 1 is a schematic diagram of an NTN scenario based on transparent forwarding provided by an exemplary embodiment of the present application
  • FIG. 2 is a schematic diagram of an NTN scenario based on regenerative forwarding provided by an exemplary embodiment of the present application.
  • the feeder link refers to the wireless link between the satellite 14 and the NTN gateway 16 (NTN gateway), which is usually located on the ground.
  • NTN gateway NTN gateway
  • the NTN network consists of the following network elements:
  • ⁇ One or more gateways used to connect satellites and terrestrial public networks.
  • ⁇ Feeder link The link used for communication between the gateway and the satellite.
  • ⁇ Service link The link used for communication between the terminal and the satellite.
  • Satellites Based on the functions they provide, they can be divided into two types: transparent transmission payloads and regenerative payloads.
  • ⁇ Transparent transmission load only provides wireless frequency filtering, frequency conversion and amplification functions. It only provides transparent forwarding of signals and does not change the waveform signal it forwards.
  • ⁇ Regenerative load In addition to providing wireless frequency filtering, frequency conversion and amplification functions, it can also provide demodulation/decoding, routing/conversion, encoding/modulation functions. It has some or all functions of the base station.
  • ISL Inter-Satellite Links
  • Satellites are used to provide communication coverage for terminals.
  • the satellite to which the terminal switches is connected that is, the cell to which the terminal switches to access.
  • the satellite to which the terminal switches For satellites in non-geosynchronous orbits, they move at high speed relative to a fixed position on the earth, causing stationary and moving terminals to frequently and inevitably switch. This will cause network equipment to frequently configure targets for terminals through RRC reconfiguration messages. Cell parameters of the cell, resulting in a large amount of signaling overhead.
  • FIG. 3 is a schematic diagram of a terminal switching a connected satellite provided by an exemplary embodiment of the present application.
  • the satellite 302 provides communication coverage to the terminal 301.
  • the satellite 303 provides communication coverage to the terminal 301.
  • the satellite 302 and the satellite 303 are connected to the same satellite gateway 304, and the satellite gateway 304 is connected to the functional module of the base station (gNB). Therefore, it can be considered that the base station providing services to the terminal has not changed.
  • the configuration parameters (cell parameters of the target cell) sent by the base station to the terminal 301 may be mostly the same. That is, the terminal 301 is covered by the satellite 302 and the satellite 303, and most of the configuration parameters used by the terminal 301 may be the same.
  • the network device will send the cell parameters of the target cell to the terminal through the RRC reconfiguration message.
  • the network device carries the cell parameters of the target cell through a synchronous reconfiguration (reconfiguration with sync) information element (IE) and sends it to the terminal, thereby configuring the cell parameters of the target cell for the terminal.
  • IE synchronous reconfiguration (reconfiguration with sync) information element
  • the network device For satellites in non-geosynchronous orbits, they move at high speed relative to a fixed position on the earth, resulting in frequent and inevitable satellite switching between stationary and moving terminals.
  • the network device will configure the cell parameters of the target cell to the terminal through the RRC reconfiguration message.
  • the RRC reconfiguration message sent by the network device will cause a large amount of signaling overhead.
  • the method provided by the embodiments of this application configures the cell parameters of the target cell for the terminal by using a combination of System Information (SI) and RRC messages. Since SI is used to configure the cell parameters of the target cell, the number of cell parameters of the target cell carried in the RRC message can be reduced. Moreover, SI is sent by broadcast. All terminals in the cell can receive the SI broadcast by the network equipment, which will reduce signaling overhead. Reducing the number of parameters carried by the RRC message can reduce the signaling overhead of using the RRC message to configure cell parameters of the target cell.
  • SI System Information
  • FIG. 4 shows a schematic diagram of the system architecture of a communication system provided by an embodiment of the present application.
  • the system architecture may include: terminal 10, access network equipment 20 and core network equipment 30.
  • the terminal 10 may refer to a UE (User Equipment), an access terminal, a user unit, a user station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a wireless communication device, a user agent or a user device.
  • UE User Equipment
  • the terminal can also be a cellular phone, a cordless phone, a SIP (Session Initiation Protocol) phone, a WLL (Wireless Local Loop) station, a PDA (Personal Digital Assistant), or a Handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminals in 5GS (5th Generation System, fifth-generation mobile communication system) or future evolved PLMN (Public Land Mobile Network (public land mobile communication network) terminals, etc., the embodiments of the present application are not limited to this.
  • 5GS Fifth Generation System, fifth-generation mobile communication system
  • PLMN Public Land Mobile Network (public land mobile communication network) terminals, etc.
  • the devices mentioned above are collectively called terminals.
  • the number of terminals 10 is usually multiple, and one or more terminals 10 may be distributed in the cell managed by each access network device 20 .
  • the access network device 20 is a device deployed in the access network to provide wireless communication functions for the terminal 10 .
  • the access network device 20 may include various forms of macro base stations, micro base stations, relay stations, access points, etc.
  • the names of devices with access network device functions may be different. For example, in 5G NR systems, they are called gNodeB or gNB.
  • the name "access network equipment" may change.
  • the above-mentioned devices that provide wireless communication functions for the terminal 10 are collectively referred to as access network equipment.
  • a communication relationship can be established between the terminal 10 and the core network device 30.
  • the access network device 20 may be EUTRAN (Evolved Universal Terrestrial Radio Access Network) or one or more eNodeBs in EUTRAN; in the 5G NR system, the access network device 20 The network device 20 may be a RAN or one or more gNBs in the RAN.
  • EUTRAN Evolved Universal Terrestrial Radio Access Network
  • eNodeBs Evolved Universal Terrestrial Radio Access Network
  • the network device 20 may be a RAN or one or more gNBs in the RAN.
  • the functions of the core network equipment 30 are mainly to provide user connections, manage users, and carry services, and serve as a bearer network to provide an interface to an external network.
  • the core network equipment in the 5G NR system can include AMF (Access and Mobility Management Function, access and mobility management function) entities, UPF (User Plane Function, user plane function) entities, SMF (Session Management Function, session management Function) entities and Location Management Function (LMF) entities and other equipment.
  • AMF Access and Mobility Management Function, access and mobility management function
  • UPF User Plane Function, user plane function
  • SMF Session Management Function, session management Function
  • LMF Location Management Function
  • the access network equipment 20 and the core network equipment 30 may be collectively referred to as network equipment.
  • the core network device 30 is an LMF network element as an example for explanation.
  • the access network device 20 and the core network device 30 communicate with each other through some over-the-air technology, such as the NG interface in the 5G NR system.
  • the access network device 20 and the terminal 10 communicate with each other through some air technology, such as the Uu interface.
  • Figure 5 shows a flow chart of a cell parameter configuration method provided by an embodiment of the present application. This method can be applied to network equipment. The method includes:
  • Step 502 Configure the cell parameters of the target cell for the terminal through SI and RRC messages.
  • the target cell is a cell that the terminal may select or access during the cell handover process, for example, a neighboring cell of the terminal's serving cell.
  • the target cell may also be called a candidate cell, an alternative cell, etc. of the terminal.
  • the SI includes first parameters of the target cell, and the RRC message includes second parameters of the target cell.
  • the first parameter includes one or more parameters of the target cell
  • the second parameter includes one or more parameters of the target cell.
  • the first parameter of the target cell in the SI and the second parameter of the target cell in the RRC message are different or partially the same.
  • the network device configures the cell parameters of the target cell for the terminal by sending the SI and RRC messages to the terminal.
  • the network device is a base station, such as a gNB.
  • the first parameter of the target cell in the SI is usually a parameter applicable to different terminals.
  • the second parameter of the target cell in the RRC message is usually a parameter specially configured for the terminal receiving the RRC message.
  • the RRC message is an RRC reconfiguration message.
  • the first parameter of the target cell is configured in the reconfigurationwithsync IE of the RRC reconfiguration message.
  • the first parameter includes at least one of the following parameters:
  • RACH Random Access Channel
  • the terminal identity is a new UE identity (newUE-Identity)
  • the RACH resource configuration is a dedicated RACH configuration (rach-ConfigDedicated)
  • the timer configuration specifies the configuration of timer t304.
  • the network device will broadcast the SI to the terminal.
  • the SI includes a master information block (Master Information Block, MIB) and a series of system information blocks (System Information Block, SIB).
  • SIB includes SIB1 and SIBx, where x is a positive integer greater than 1.
  • the SI can also be obtained by the terminal through an on demand request mechanism, that is, the terminal sends a system message acquisition request to the network device, and the network device responds to the request by sending a system message to the terminal.
  • the network device carries the first parameter of the target cell through MIB, carries the first parameter of the target cell through SIB1, carries the first parameter of the target cell through SIBx, or carries the target through multiple of MIB, SIB1 and SIBx.
  • SIBx can include one or more SIBs.
  • the broadcast SI has a corresponding system message broadcast period.
  • the network device sends the SI and the RRC message to the terminal at the same time, or sends the SI to the terminal before sending the RRC message, or sends the SI to the terminal after sending the RRC message.
  • the embodiment of the present application does not limit the timing when the network device sends SI and RRC messages.
  • the SI includes at least one first parameter of the target cell. That is, there are one or more target cells.
  • the SI includes the first parameter of one target cell.
  • the SI includes the first parameters of each of the multiple target cells. .
  • the first parameters of different target cells are the same or different.
  • the first parameter of each target cell in the SI includes multiple groups of parameters, and each group of parameters is associated with a group identifier.
  • SI includes the first parameter of target cell 1 and the first parameter of target cell 2.
  • the first parameter of target cell 1 includes 2 groups of parameters, where the first group is associated with group identifier 1 and the second group is associated with group identifier 2.
  • the first parameter of target cell 2 includes three groups of parameters, in which the first group is associated with group identifier 3, the second group is associated with group identifier 4, and the third group is associated with group identifier 5.
  • the first parameter of each target cell in the SI is associated with the cell identity of the target cell.
  • the SI includes first parameters of target cell 1, target cell 2, and target cell 3.
  • the first parameter of target cell 1 is associated with cell identity 1
  • the first parameter of target cell 2 is associated with cell identity 2
  • the first parameter of target cell 3 is associated with cell identity 2.
  • the first parameter is associated with cell identity 3.
  • the above first parameter includes at least one of the following parameters:
  • DownlinkConfigCommon DownlinkConfigCommon
  • UplinkConfigCommon UplinkConfigCommon
  • NTN-Config NTN parameter configuration
  • the NTN parameter configuration and other parameter configurations in the first cell parameters belong to different SIBs of the SI.
  • the downlink public configuration and the uplink public configuration are carried in SIBa
  • the NTN parameter configuration is carried in SIBb.
  • a and b are positive integers, and a and b are different.
  • the above RRC message is used to instruct the terminal to use the second parameters of the target cell. That is, after receiving the above RRC message, the terminal will use the second parameters of the target cell if it needs to use the cell parameters of the target cell.
  • the RRC message can also indicate the first parameter of the target cell used by the terminal in the SI.
  • the RRC message also carries a cell identifier and/or group identifier.
  • the cell identifier and/or group identifier are used to instruct the terminal to use the first parameter of the target cell in the SI.
  • the RRC message carries the cell identity.
  • the terminal can use the first parameter of the target cell corresponding to the cell identity.
  • the RRC message carries the group identifier.
  • the terminal can use the parameter corresponding to the group identifier in the first parameter of the target cell.
  • the RRC message carries the cell identifier and the group identifier. After receiving the RRC message, the terminal can use the parameter corresponding to the group identifier among the first parameters of the target cell corresponding to the cell identifier.
  • the RRC message may also implicitly instruct the terminal to use the first parameter of the target cell in the SI.
  • the RRC message is used to implicitly instruct the terminal to use the first parameter of the target cell in the SI based on the protocol.
  • the agreement includes at least one of the following:
  • the terminal uses the first parameter of the target cell required by the terminal in the SI;
  • the terminal uses the default cell parameter value.
  • the default cell parameter values are configured on the network side.
  • the first parameters of the target cell required by the terminal include cell parameters of the target cell currently required by the terminal.
  • the description takes the configuration of SSB-periodicityServingCell (synchronization signal block-periodic serving cell) parameters as an example.
  • SSB period (in ms) parameter used for rate matching if the parameter value does not exist in the RRC message and the system information does not provide the parameter value, the UE uses the value ms5 (default parameter value). If the parameter value does not exist in the RRC message but the parameter value is provided by the system message, the UE uses the parameter value provided by the system message.
  • the SSB periodicity in ms for the rate matching purpose. If the field is absent and if the field is not provided by the system information, the UE applies the value ms5. If the file is absent but the field is provided by the system information , the UE applies the value provided by the system information.
  • the RRC message can simultaneously display the first parameter instructing the terminal to use the target cell in the SI, and implicitly instruct the terminal to use the first parameter of the target cell in the SI. For example, among the parameters other than the first parameter of the target cell used by the terminal indicated by the RRC message display, if the RRC message does not include the first parameter of the target cell required by the terminal, the terminal determines the cell parameters used by the terminal through the above protocol.
  • At least one of the SI and RRC messages carries cell parameters necessary for the terminal to access the target cell. This ensures that the cell parameters of the target cell configured for the terminal through SI and RRC messages enable the terminal to access the target cell.
  • the required cell parameter is the DownlinkConfigCommon parameter of the target cell.
  • the first parameter of the target cell in the SI may be partially identical to the second parameter of the target cell in the RRC message.
  • the terminal determines to use the duplicate parameter in the RRC message or to use the duplicate parameter in the SI according to the instructions of the RRC message.
  • the RRC message carries indication information to indicate to the terminal the cell parameters used by it.
  • the network device can also configure the cell parameters of the target cell for the terminal through other methods.
  • the cell parameters of the target cell are configured for the terminal through multiple signalings.
  • each of the plurality of signalings carries cell parameters of the target cell, and any two of the plurality of signalings carry different or partially identical cell parameters of the target cell.
  • the network device configures the cell parameters of the target cell for the terminal through the first signaling and the second signaling.
  • the first signaling carries the first parameter of the target cell
  • the second signaling carries the second parameter of the target cell.
  • the network device configures the cell parameters of the target cell for the terminal by sending the first signaling and the second signaling to the terminal.
  • the method provided in this embodiment configures the cell parameters of the target cell for the terminal by using a combination of SI and RRC messages. Since SI is used to configure the cell parameters of the target cell, the number of cell parameters of the target cell carried in the RRC message can be reduced. Moreover, SI is sent by broadcast. All terminals in the cell can receive the SI broadcast by the network equipment, which will reduce signaling overhead. Reducing the number of parameters carried by the RRC message can reduce the signaling overhead of using the RRC message to configure cell parameters of the target cell.
  • Figure 6 shows a flow chart of a cell parameter configuration method provided by an embodiment of the present application. This method can be applied in the terminal. The method includes:
  • Step 602 Receive SI and RRC messages sent by the network device for configuring cell parameters of the target cell for the terminal.
  • the target cell is a cell that the terminal may select or access during the cell handover process, for example, a neighboring cell of the terminal's serving cell.
  • the SI includes first parameters of the target cell
  • the RRC message includes second parameters of the target cell.
  • the first parameter includes one or more parameters of the target cell
  • the second parameter includes one or more parameters of the target cell.
  • the first parameter of the target cell in the SI and the second parameter of the target cell in the RRC message are different or partially the same.
  • the network device configures the cell parameters of the target cell for the terminal by sending the SI and RRC messages to the terminal.
  • the first parameter of the target cell in the SI is usually a parameter applicable to different terminals.
  • the second parameter of the target cell in the RRC message is usually a parameter specially configured for the terminal receiving the RRC message.
  • the RRC message is an RRC reconfiguration message.
  • the first parameter of the target cell is configured in the reconfigurationwithsync IE of the RRC reconfiguration message.
  • the first parameter includes at least one of the following parameters:
  • the terminal identifier is newUE-Identity
  • the RACH resource configuration is rach-ConfigDedicated
  • the timer configuration specifies the configuration of timer t304.
  • the network device will broadcast the SI to the terminal.
  • the SI includes MIB and a series of system message blocks SIB.
  • SIB includes SIB1 and SIBx, where x is a positive integer greater than 1.
  • the SI can also be obtained by the terminal through an on-demand request mechanism.
  • the network device carries the first parameter of the target cell through MIB, carries the first parameter of the target cell through SIB1, carries the first parameter of the target cell through SIBx, or carries the target through multiple of MIB, SIB1 and SIBx.
  • SIBx can include one or more SIBs.
  • the broadcast SI has a corresponding system message broadcast period.
  • the network device sends the SI and the RRC message to the terminal at the same time, or sends the SI to the terminal before sending the RRC message, or sends the SI to the terminal after sending the RRC message.
  • the embodiment of the present application does not limit the timing when the network device sends SI and RRC messages.
  • the SI includes at least one first parameter of the target cell. That is, there are one or more target cells.
  • the SI includes the first parameter of one target cell.
  • the SI includes the first parameters of each of the multiple target cells. .
  • the first parameters of different target cells are the same or different.
  • the first parameter of each target cell in the SI includes multiple groups of parameters, and each group of parameters is associated with a group identifier.
  • the first parameter of each target cell in the SI is associated with the cell identity of the target cell.
  • the above first parameter includes at least one of the following parameters:
  • the NTN parameter configuration and other parameter configurations in the first cell parameters belong to different SIBs of the SI.
  • the above RRC message is used to instruct the terminal to use the second parameters of the target cell. That is, after receiving the above RRC message, the terminal will use the second parameters of the target cell if it needs to use the cell parameters of the target cell.
  • the RRC message can also indicate the first parameter of the target cell used by the terminal in the SI.
  • the RRC message also carries a cell identifier and/or group identifier.
  • the cell identifier and/or group identifier are used to instruct the terminal to use the first parameter of the target cell in the SI.
  • the RRC message carries the cell identity.
  • the terminal can use the first parameter of the target cell corresponding to the cell identity.
  • the RRC message carries the group identifier.
  • the terminal can use the parameter corresponding to the group identifier in the first parameter of the target cell.
  • the RRC message carries the cell identifier and the group identifier. After receiving the RRC message, the terminal can use the parameter corresponding to the group identifier among the first parameters of the target cell corresponding to the cell identifier.
  • the RRC message may also implicitly instruct the terminal to use the first parameter of the target cell in the SI.
  • the RRC message is used to implicitly instruct the terminal to use the first parameter of the target cell in the SI based on the protocol.
  • the agreement includes at least one of the following:
  • the terminal uses the first parameter of the target cell required by the terminal in the SI;
  • the terminal uses the default cell parameter value.
  • the default cell parameter values are configured on the network side.
  • the first parameters of the target cell required by the terminal include cell parameters of the target cell currently required by the terminal.
  • At least one of the SI and RRC messages carries cell parameters necessary for the terminal to access the target cell. This ensures that the cell parameters of the target cell configured for the terminal through SI and RRC messages enable the terminal to access the target cell.
  • the first parameter of the target cell in the SI may be partially identical to the second parameter of the target cell in the RRC message.
  • the terminal will determine whether to use the duplicate parameter in the RRC message or use the duplicate parameter in the SI according to the instructions of the RRC message.
  • the RRC message carries indication information to indicate to the terminal the cell parameters used by it.
  • the method provided in this embodiment configures the cell parameters of the target cell for the terminal by using a combination of SI and RRC messages. Since SI is used to configure the cell parameters of the target cell, the number of cell parameters of the target cell carried in the RRC message can be reduced. Moreover, SI is sent by broadcast. All terminals in the cell can receive the SI broadcast by the network equipment, which will reduce signaling overhead. Reducing the number of parameters carried by the RRC message can reduce the signaling overhead of using the RRC message to configure cell parameters of the target cell.
  • Figure 7 shows a flow chart of a cell parameter configuration method provided by an embodiment of the present application. This method can be applied in the terminal. The method includes:
  • Step 702 Receive SI and RRC messages sent by the network device for configuring cell parameters of the target cell for the terminal.
  • the target cell is a cell that the terminal may select or access during the cell handover process, for example, a neighboring cell of the terminal's serving cell.
  • the SI includes first parameters of the target cell
  • the RRC message includes second parameters of the target cell.
  • the first parameter includes one or more parameters of the target cell
  • the second parameter includes one or more parameters of the target cell.
  • the first parameter of the target cell in the SI and the second parameter of the target cell in the RRC message are different or partially the same.
  • the network device configures the cell parameters of the target cell for the terminal by sending the SI and RRC messages to the terminal.
  • the terminal determines the parameter configuration of the target cell by receiving the first parameter and the second parameter of the target cell.
  • the first parameter of the target cell in the SI is usually a parameter applicable to different terminals.
  • the second parameter of the target cell in the RRC message is usually a parameter specially configured for the terminal receiving the RRC message.
  • the RRC message is an RRC reconfiguration message.
  • the first parameter of the target cell is configured in the reconfigurationwithsync IE of the RRC reconfiguration message.
  • the first parameter includes at least one of the following parameters:
  • the terminal identifier is newUE-Identity
  • the RACH resource configuration is rach-ConfigDedicated
  • the timer configuration specifies the configuration of timer t304.
  • the network device will broadcast the SI to the terminal.
  • the SI includes MIB and a series of system message blocks SIB.
  • SIB includes SIB1 and SIBx, where x is a positive integer greater than 1.
  • the SI can also be obtained by the terminal through an on-demand request mechanism.
  • the network device carries the first parameter of the target cell through MIB, carries the first parameter of the target cell through SIB1, carries the first parameter of the target cell through SIBx, or carries the target through multiple of MIB, SIB1 and SIBx.
  • SIBx can include one or more SIBs.
  • the broadcast SI has a corresponding system message broadcast period.
  • the network device sends the SI and the RRC message to the terminal at the same time, or sends the SI to the terminal before sending the RRC message, or sends the SI to the terminal after sending the RRC message.
  • the embodiment of the present application does not limit the timing when the network device sends SI and RRC messages.
  • the SI includes at least one first parameter of the target cell. That is, there are one or more target cells.
  • the SI includes the first parameter of one target cell.
  • the SI includes the first parameters of each of the multiple target cells. .
  • the first parameters of different target cells are the same or different.
  • the first parameter of each target cell in the SI includes multiple groups of parameters, and each group of parameters is associated with a group identifier.
  • the first parameter of each target cell in the SI is associated with the cell identity of the target cell.
  • the above first parameter includes at least one of the following parameters:
  • the NTN parameter configuration and other parameter configurations in the first cell parameters belong to different SIBs of the SI.
  • the above RRC message is used to instruct the terminal to use the second parameters of the target cell. That is, after receiving the above RRC message, the terminal will use the second parameters of the target cell if it needs to use the cell parameters of the target cell.
  • the RRC message can also indicate the first parameter of the target cell used by the terminal in the SI.
  • the RRC message also carries a cell identifier and/or group identifier.
  • the cell identifier and/or group identifier are used to instruct the terminal to use the first parameter of the target cell in the SI.
  • the RRC message carries the cell identity.
  • the terminal can use the first parameter of the target cell corresponding to the cell identity.
  • the RRC message carries the group identifier.
  • the terminal can use the parameter corresponding to the group identifier in the first parameter of the target cell.
  • the RRC message carries the cell identifier and the group identifier. After receiving the RRC message, the terminal can use the parameter corresponding to the group identifier among the first parameters of the target cell corresponding to the cell identifier.
  • the RRC message may also implicitly instruct the terminal to use the first parameter of the target cell in the SI.
  • the RRC message is used to implicitly instruct the terminal to use the first parameter of the target cell in the SI based on the protocol.
  • the agreement includes at least one of the following:
  • the terminal uses the first parameter of the target cell required by the terminal in the SI;
  • the terminal uses the default cell parameter value.
  • the default cell parameter values are configured on the network side.
  • the first parameters of the target cell required by the terminal include cell parameters of the target cell currently required by the terminal.
  • At least one of the SI and RRC messages carries cell parameters necessary for the terminal to access the target cell. This ensures that the cell parameters of the target cell configured for the terminal through SI and RRC messages enable the terminal to access the target cell.
  • Step 704 When there are duplicate parameters between the first parameter of the target cell in the SI and the second parameter of the target cell in the RRC message, determine to use the duplicate parameter in the RRC message or use the duplicate parameter in the SI according to the instructions of the RRC message. Repeat parameters.
  • the first parameter of the target cell in the SI may be partially identical to the second parameter of the target cell in the RRC message.
  • the terminal will determine to use the repeated parameters in the RRC message or use the repeated parameters in the SI according to the instructions of the RRC message.
  • the RRC message carries indication information to indicate to the terminal the cell parameters used by it.
  • the method provided in this embodiment configures the cell parameters of the target cell for the terminal by using a combination of SI and RRC messages. Since SI is used to configure the cell parameters of the target cell, the number of cell parameters of the target cell carried in the RRC message can be reduced. Moreover, SI is sent by broadcast. All terminals in the cell can receive the SI broadcast by the network equipment, which will reduce signaling overhead. Reducing the number of parameters carried by the RRC message can reduce the signaling overhead of using the RRC message to configure cell parameters of the target cell.
  • Figure 8 shows a flow chart of a cell parameter configuration method provided by an embodiment of the present application. This method can be applied to systems as shown in Figures 1, 2 or 4. The method includes:
  • Step 802 The network device configures the cell parameters of the target cell for the terminal through SI and RRC messages.
  • the target cell is a cell that the terminal may select or access during the cell handover process, for example, a neighboring cell of the terminal's serving cell.
  • the SI includes first parameters of the target cell
  • the RRC message includes second parameters of the target cell.
  • the first parameter includes one or more parameters of the target cell
  • the second parameter includes one or more parameters of the target cell.
  • the first parameter of the target cell in the SI and the second parameter of the target cell in the RRC message are different or partially the same.
  • the network device configures the cell parameters of the target cell for the terminal by sending the SI and RRC messages to the terminal.
  • the first parameter of the target cell in the SI is usually a parameter applicable to different terminals.
  • the second parameter of the target cell in the RRC message is usually a parameter specially configured for the terminal receiving the RRC message.
  • the RRC message is an RRC reconfiguration message.
  • the first parameter of the target cell is configured in the reconfigurationwithsync IE of the RRC reconfiguration message.
  • the first parameter includes at least one of the following parameters:
  • the terminal identifier is newUE-Identity
  • the RACH resource configuration is rach-ConfigDedicated
  • the timer configuration specifies the configuration of timer t304.
  • the network device will broadcast the SI to the terminal.
  • the SI includes MIB and a series of system message blocks SIB.
  • SIB includes SIB1 and SIBx, where x is a positive integer greater than 1.
  • the SI can also be obtained by the terminal through an on-demand request mechanism.
  • the network device carries the first parameter of the target cell through MIB, carries the first parameter of the target cell through SIB1, carries the first parameter of the target cell through SIBx, or carries the target through multiple of MIB, SIB1 and SIBx.
  • SIBx can include one or more SIBs.
  • the broadcast SI has a corresponding system message broadcast period.
  • the network device sends the SI and the RRC message to the terminal at the same time, or sends the SI to the terminal before sending the RRC message, or sends the SI to the terminal after sending the RRC message.
  • the embodiment of the present application does not limit the timing when the network device sends SI and RRC messages.
  • the SI includes at least one first parameter of the target cell. That is, there are one or more target cells.
  • the SI includes the first parameter of one target cell.
  • the SI includes the first parameters of each of the multiple target cells. .
  • the first parameters of different target cells are the same or different.
  • the first parameter of each target cell in the SI includes multiple groups of parameters, and each group of parameters is associated with a group identifier.
  • the first parameter of each target cell in the SI is associated with the cell identity of the target cell.
  • the above first parameter includes at least one of the following parameters:
  • the NTN parameter configuration and other parameter configurations in the first cell parameters belong to different SIBs of the SI.
  • the above RRC message is used to instruct the terminal to use the second parameters of the target cell. That is, after receiving the above RRC message, the terminal will use the second parameters of the target cell if it needs to use the cell parameters of the target cell.
  • the RRC message can also indicate the first parameter of the target cell used by the terminal in the SI.
  • the RRC message also carries a cell identifier and/or group identifier.
  • the cell identifier and/or group identifier are used to instruct the terminal to use the first parameter of the target cell in the SI.
  • the RRC message carries the cell identity.
  • the terminal can use the first parameter of the target cell corresponding to the cell identity.
  • the RRC message carries the group identifier.
  • the terminal can use the parameter corresponding to the group identifier in the first parameter of the target cell.
  • the RRC message carries the cell identifier and the group identifier. After receiving the RRC message, the terminal can use the parameter corresponding to the group identifier among the first parameters of the target cell corresponding to the cell identifier.
  • the RRC message may also implicitly instruct the terminal to use the first parameter of the target cell in the SI.
  • the RRC message is used to implicitly instruct the terminal to use the first parameter of the target cell in the SI based on the protocol.
  • the agreement includes at least one of the following:
  • the terminal uses the first parameter of the target cell required by the terminal in the SI;
  • the terminal uses the default cell parameter value.
  • the default cell parameter values are configured on the network side.
  • the first parameters of the target cell required by the terminal include cell parameters of the target cell currently required by the terminal.
  • At least one of the SI and RRC messages carries cell parameters necessary for the terminal to access the target cell. This ensures that the cell parameters of the target cell configured for the terminal through SI and RRC messages enable the terminal to access the target cell.
  • Step 804 When there are duplicate parameters between the first parameter of the target cell in the SI and the second parameter of the target cell in the RRC message, the terminal determines to use the duplicate parameter in the RRC message or use the duplicate parameter in the SI according to the instructions of the RRC message. of repeated parameters.
  • the first parameter of the target cell in the SI may be partially identical to the second parameter of the target cell in the RRC message.
  • the terminal will determine to use the repeated parameters in the RRC message or use the repeated parameters in the SI according to the instructions of the RRC message.
  • the RRC message carries indication information to indicate to the terminal the cell parameters used by it.
  • the method provided in this embodiment configures the cell parameters of the target cell for the terminal by using a combination of SI and RRC messages. Since SI is used to configure the cell parameters of the target cell, the number of cell parameters of the target cell carried in the RRC message can be reduced. Moreover, SI is sent by broadcast. All terminals in the cell can receive the SI broadcast by the network equipment, which will reduce signaling overhead. Reducing the number of parameters carried by the RRC message can reduce the signaling overhead of using the RRC message to configure cell parameters of the target cell.
  • Figure 9 shows a structural block diagram of a cell parameter configuration device provided by an exemplary embodiment of the present application. As shown in Figure 9, the device includes:
  • the sending module 901 is used to configure the cell parameters of the target cell for the terminal through SI and RRC messages;
  • the SI includes the first parameter of the target cell
  • the RRC message includes the second parameter of the target cell
  • the SI includes at least one first parameter of the target cell.
  • the first parameter of each target cell in the SI includes multiple groups of parameters, and each group of parameters is associated with a group identifier.
  • the first parameter of each target cell in the SI is associated with the cell identity of the target cell.
  • the first parameter includes at least one of the following parameters:
  • the RRC message is used to instruct the terminal to use the second parameter of the target cell.
  • the RRC message also carries a cell identity and/or a group identity; the cell identity and/or the group identity are used to instruct the terminal to use the target cell in the SI. the first parameter.
  • the RRC message is used to implicitly instruct the terminal to use the first parameter of the target cell in the SI based on a protocol.
  • the protocol includes at least one of the following:
  • the terminal uses the first parameter of the target cell required by the terminal in the SI;
  • the terminal uses the default cell parameter value.
  • At least one of the SI and the RRC message carries cell parameters necessary for the terminal to access the target cell.
  • the terminal when there are duplicate parameters between the first parameter of the target cell in the SI and the second parameter of the target cell in the RRC message, the terminal The indication of the RRC message determines whether to use the repeated parameters in the RRC message or to use the repeated parameters in the SI.
  • Figure 10 shows a structural block diagram of a cell parameter configuration device provided by an exemplary embodiment of the present application. As shown in Figure 10, the device includes:
  • the receiving module 1001 is configured to receive SI and RRC messages sent by the network device for configuring cell parameters of the target cell for the terminal;
  • the SI includes the first parameter of the target cell
  • the RRC message includes the second parameter of the target cell
  • the SI includes at least one first parameter of the target cell.
  • the first parameter of each target cell in the SI includes multiple groups of parameters, and each group of parameters is associated with a group identifier.
  • the first parameter of each target cell in the SI is associated with a cell identity of the target cell.
  • the first parameter includes at least one of the following parameters:
  • the RRC message is used to instruct the terminal to use the second parameter of the target cell.
  • the RRC message also carries a cell identity and/or a group identity; the cell identity and/or the group identity are used to instruct the terminal to use the target cell in the SI. the first parameter.
  • the RRC message is used to implicitly instruct the terminal to use the first parameter of the target cell in the SI based on a protocol.
  • the protocol includes at least one of the following:
  • the terminal uses the first parameter of the target cell required by the terminal in the SI;
  • the terminal uses the default cell parameter value.
  • At least one of the SI and the RRC message carries cell parameters necessary for the terminal to access the target cell.
  • the device also includes:
  • Determining module 1002 configured to: when there are duplicate parameters between the first parameter of the target cell in the SI and the second parameter of the target cell in the RRC message, according to the indication of the RRC message, It is determined to use the repetition parameter in the RRC message or to use the repetition parameter in the SI.
  • the device provided in the above embodiment implements its functions, only the division of the above functional modules is used as an example. In practical applications, the above functions can be allocated to different functional modules according to actual needs. That is, the content structure of the device is divided into different functional modules to complete all or part of the functions described above.
  • FIG 11 shows a schematic structural diagram of a communication device (terminal or network device) provided by an exemplary embodiment of the present application.
  • the communication device 110 includes: a processor 1101, a receiver 1102, a transmitter 1103, a memory 1104 and a bus 1105.
  • the processor 1101 includes one or more processing cores.
  • the processor 1101 executes various functional applications and information processing by running software programs and modules.
  • the receiver 1102 and the transmitter 1103 can be implemented as a communication component, and the communication component can be a communication chip.
  • the memory 1104 is connected to the processor 1101 through a bus 1105.
  • the memory 1104 can be used to store at least one instruction, and the processor 1101 is used to execute the at least one instruction to implement each step in the above method embodiment.
  • memory 1104 may be implemented by any type of volatile or non-volatile storage device, or combination thereof, including but not limited to: magnetic or optical disks, electrically erasable programmable Read-only memory (Erasable Programmable Read Only Memory, EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Random Access Memory (SRAM), Read-only memory (Read -Only Memory (ROM), magnetic memory, flash memory, Programmable Read-Only Memory (PROM).
  • magnetic or optical disks electrically erasable programmable Read-only memory (Erasable Programmable Read Only Memory, EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Random Access Memory (SRAM), Read-only memory (Read -Only Memory (ROM), magnetic memory, flash memory, Programmable Read-Only Memory (PROM).
  • EEPROM electrically erasable programmable Read-only memory
  • EPROM Erasable Programmable Read Only Memory
  • SRAM Static Random Access Memory
  • ROM Read-only memory
  • the processor and transceiver in the communication device involved in the embodiment of the present application can be implemented together as a communication chip, or the transceiver alone forms a communication chip.
  • the transmitter in the transceiver performs the sending steps performed by the terminal in any of the above methods
  • the receiver in the transceiver performs the receiving steps performed by the terminal in any of the above methods
  • the processor performs the sending The steps other than the receiving step will not be described here.
  • the processor and transceiver in the communication device involved in the embodiment of the present application can be implemented together as a communication chip, or the transceiver can be formed separately Communication chip.
  • the transmitter in the transceiver performs the sending step performed by the network device in any of the above methods
  • the receiver in the transceiver performs the receiving step performed by the network device in any of the above methods
  • the processor Perform steps other than sending and receiving steps, which will not be described here.
  • a computer-readable storage medium in which at least one instruction, at least a program, a code set or an instruction set is stored, and the at least one instruction, the At least one program, the code set or the instruction set is loaded and executed by the processor to implement the cell parameter configuration method provided by each of the above method embodiments.
  • a chip is also provided.
  • the chip includes programmable logic circuits and/or program instructions. When the chip is run on a communication device, it is used to implement the cells provided by the above method embodiments. Parameter configuration method.
  • a computer program product which, when run on a processor of a computer device, causes the computer device to execute the above-mentioned configuring method of cell parameters.
  • Computer-readable media includes computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another.
  • Storage media can be any available media that can be accessed by a general purpose or special purpose computer.

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

Abstract

La présente demande se rapporte au domaine des communications mobiles. Sont divulgués un procédé et un appareil de configuration de paramètres de cellule, un dispositif et un support de stockage. Le procédé comprend les étapes consistant à : configurer des paramètres de cellule d'une cellule cible pour un terminal au moyen d'informations de système (SI) et d'informations de commande de ressource radio (RRC), les SI comprenant un premier paramètre de la cellule cible, et les informations RRC comprenant un second paramètre de la cellule cible. Étant donné que les paramètres de cellule de la cellule cible sont conçus en utilisant les SI, le nombre de paramètres de cellule de la cellule cible qui sont transportés par les informations RRC peut être réduit. En outre, les SI sont envoyées au moyen d'une diffusion, de sorte que tous les terminaux à l'intérieur de la cellule peuvent recevoir les SI, qui sont diffusées par un dispositif réseau, ce qui permet de réduire les surdébits de signalisation. La réduction du nombre de paramètres transportés par les informations RRC peut conduire à la réduction des surdébits de signalisation générés par l'utilisation des informations RRC pour configurer les paramètres de cellule de la cellule cible.
PCT/CN2022/096259 2022-05-31 2022-05-31 Procédé et appareil de configuration de paramètres de cellule, dispositif et support de stockage WO2023230844A1 (fr)

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PCT/CN2022/096259 WO2023230844A1 (fr) 2022-05-31 2022-05-31 Procédé et appareil de configuration de paramètres de cellule, dispositif et support de stockage
CN202280001997.5A CN117501745A (zh) 2022-05-31 2022-05-31 小区参数的配置方法、装置、设备及存储介质

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109314897A (zh) * 2018-09-06 2019-02-05 北京小米移动软件有限公司 系统信息发送和接收方法、装置、设备及系统
WO2021219322A1 (fr) * 2020-04-30 2021-11-04 Panasonic Intellectual Property Corporation Of America Équipement utilisateur et station de base
WO2021231588A1 (fr) * 2020-05-13 2021-11-18 Qualcomm Incorporated Acquisition de blocs d'informations de système pour réseaux sans fil
WO2022027322A1 (fr) * 2020-08-05 2022-02-10 北京小米移动软件有限公司 Procédé et appareil de traitement de paramètre de transfert intercellulaire et support de stockage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109314897A (zh) * 2018-09-06 2019-02-05 北京小米移动软件有限公司 系统信息发送和接收方法、装置、设备及系统
WO2021219322A1 (fr) * 2020-04-30 2021-11-04 Panasonic Intellectual Property Corporation Of America Équipement utilisateur et station de base
WO2021231588A1 (fr) * 2020-05-13 2021-11-18 Qualcomm Incorporated Acquisition de blocs d'informations de système pour réseaux sans fil
WO2022027322A1 (fr) * 2020-08-05 2022-02-10 北京小米移动软件有限公司 Procédé et appareil de traitement de paramètre de transfert intercellulaire et support de stockage

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