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WO2025065301A1 - Procédé de communication, terminal, dispositif de réseau, dispositif de communication et support de stockage - Google Patents

Procédé de communication, terminal, dispositif de réseau, dispositif de communication et support de stockage Download PDF

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Publication number
WO2025065301A1
WO2025065301A1 PCT/CN2023/121817 CN2023121817W WO2025065301A1 WO 2025065301 A1 WO2025065301 A1 WO 2025065301A1 CN 2023121817 W CN2023121817 W CN 2023121817W WO 2025065301 A1 WO2025065301 A1 WO 2025065301A1
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WO
WIPO (PCT)
Prior art keywords
information
terminal
measurement gap
network device
gnss
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.)
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Application number
PCT/CN2023/121817
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English (en)
Chinese (zh)
Inventor
朱亚军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to PCT/CN2023/121817 priority Critical patent/WO2025065301A1/fr
Priority to CN202380011325.7A priority patent/CN117546505A/zh
Publication of WO2025065301A1 publication Critical patent/WO2025065301A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Definitions

  • the present disclosure relates to the field of wireless communication technology, and in particular to a communication method, a terminal, a network device, a communication device and a storage medium.
  • GNSS Global navigation satellite system
  • IoT Internet of things
  • the terminal and network equipment need to agree on the execution of the terminal's GNSS measurements.
  • Embodiments of the present disclosure provide a communication method, a terminal, a network device, a communication device, and a storage medium.
  • a communication method is proposed, which is performed by a terminal.
  • the method includes: sending first information after a measurement gap ends, the first information is used to indicate that the terminal has successfully performed a GNSS measurement.
  • a communication method is proposed, which is performed by a network device.
  • the method includes: receiving first information after a measurement gap ends, the first information being used to indicate that a terminal has successfully performed a GNSS measurement.
  • a communication method is proposed, which is performed by a communication system.
  • the method includes: after a measurement gap ends, a terminal sends first information to a network device, the first information is used to indicate that the terminal has successfully performed a GNSS measurement.
  • a terminal includes: a first transceiver module, configured to send first information after a measurement gap ends, the first information being used to indicate that the terminal has successfully performed a GNSS measurement.
  • a network device includes: a second transceiver module, configured to receive first information after the measurement gap ends, the first information being used to indicate that the terminal has successfully performed the GNSS measurement.
  • a communication device comprises: one or more processors; one or more memories for storing instructions; wherein the processor is used to call the instructions so that the communication device executes the communication method as described in any one of the first and second aspects.
  • a communication system which comprises: a terminal and a network device, wherein the terminal is configured to implement the communication method as described in the first aspect, and the network device is configured to implement the communication method as described in the second aspect.
  • a storage medium wherein instructions are stored in the storage medium, and when the instructions are executed by a processor, the communication method described in the first aspect or the second aspect is executed.
  • a computer program or a computer program product includes code.
  • the instructions are executed by a processor, the communication method described in the first aspect or the second aspect is executed.
  • the technical solution provided by the embodiments of the present disclosure enables the terminal and the network device to reach an agreement on the execution status of the GNSS measurement of the terminal.
  • FIG1A is a schematic diagram of an architecture of a communication system according to an embodiment of the present disclosure.
  • FIG1B is a schematic diagram of a scenario of uplink and downlink alignment on a network device side according to an embodiment of the present disclosure.
  • FIG1C is a schematic diagram of a scenario in which uplink and downlink are not aligned on the network device side according to an embodiment of the present disclosure.
  • FIG. 2A is a schematic diagram of a first flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG. 2B is a schematic diagram of a second flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG. 2C is a schematic diagram of a third flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG. 2D is a fourth flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG. 3A is a schematic diagram of a first example of a sending location of first information provided according to an embodiment of the present disclosure.
  • FIG3B is a schematic diagram of a second example of a sending location of first information provided according to an embodiment of the present disclosure.
  • FIG4A is a schematic diagram of a first flow chart of a communication method executed by a terminal side according to an embodiment of the present disclosure.
  • FIG4B is a schematic diagram of a second flow chart of a communication method executed by a terminal side according to an embodiment of the present disclosure.
  • FIG4C is a schematic diagram of a third flow chart of a communication method executed on a terminal side according to an embodiment of the present disclosure.
  • FIG4D is a fourth flow chart of the method for executing communication on the terminal side according to an embodiment of the present disclosure.
  • FIG5B is a schematic diagram of a second flow chart of a communication method executed on a network device side according to an embodiment of the present disclosure.
  • FIG5C is a schematic diagram of a third flow chart of a communication method executed on a network device side according to an embodiment of the present disclosure.
  • FIG5D is a fourth flow chart of a network device executing a communication method according to an embodiment of the present disclosure.
  • FIG6A is a fifth flow chart of a communication method executed by a terminal side according to an embodiment of the present disclosure.
  • FIG6B is a fifth flow chart of a communication method executed on a network device side according to an embodiment of the present disclosure.
  • FIG. 7A is a schematic diagram of a structure of a terminal according to an embodiment of the present disclosure.
  • FIG. 7B is a schematic diagram of a structure of a network device according to an embodiment of the present disclosure.
  • FIG8A is a schematic diagram of the structure of a communication device according to an embodiment of the present disclosure.
  • the embodiments of the present disclosure provide a communication method and terminal, a network device, a communication device, a system, and a computer-readable storage medium.
  • the terminal indicates that it has successfully performed GNSS measurement by sending the first information to the network device.
  • the terminal and the network device can reach an agreement on the result of the GNSS measurement performed by the corresponding terminal, avoiding information asymmetry between the terminal and the network device.
  • the above method also includes: determining that the length information of the measurement gap is not received, the length information of the measurement gap is used to indicate the length of the measurement gap configured by the network device for the terminal; determining that the time length indicated by the first time information is the length of the measurement gap, the first time information is sent by the terminal and is used to indicate the time length associated with the GNSS measurement.
  • the above method also includes: receiving time length information of the measurement gap, the length information of the measurement gap is used to indicate the length of the measurement gap configured by the network device for the terminal; determining that the time length indicated by the time length information of the measurement gap is the length of the measurement gap.
  • a difference between a length of the measurement gap and a time length indicated by time information sent by the terminal to the network device is less than or equal to a first threshold.
  • the first information is used to indicate a GNSS validity period of the terminal.
  • the terminal indicates to the network device that it has successfully performed GNSS measurement and the GNSS validity period within the measurement gap by sending GNSS available time information.
  • the terminal can reach an agreement with the network device on the execution result of the GNSS measurement of the terminal within the measurement gap by sending a random access sequence once, and can also indicate the GNSS validity period of the terminal to the network device, thereby reducing signaling overhead and saving terminal power consumption.
  • the second information is carried in a first message sent by a network device, and the first message is used to schedule a first uplink resource; wherein, sending the first information includes: sending the first information on the first uplink resource.
  • the terminal can send the first information within the preset time window after the measurement gap ends to indicate to the network device that it has successfully performed the GNSS measurement within the measurement gap. In this way, the terminal can reach an agreement with the network device on the execution result of the GNSS measurement of the terminal within the measurement gap, reduce signaling overhead, and save terminal power consumption.
  • the first information is a random access sequence, and the random access sequence is used to request uplink resources.
  • the terminal can send a random access sequence to indicate to the network device that it has successfully performed GNSS measurement in the measurement gap and trigger the random access process.
  • the terminal can reach an agreement with the network device on the execution result of the GNSS measurement of the terminal in the measurement gap by sending the random access sequence once, and can also trigger the random access process, thereby reducing signaling overhead and saving terminal power consumption.
  • sending the first information after the measurement gap ends includes: sending the first information on a first random access resource after the measurement gap ends.
  • the first random access resource includes one of the following: the first random access resource after the measurement gap ends; a random access resource within a preset time window after the measurement gap ends.
  • the above method also includes: receiving a second message, the second message is used to schedule a second uplink resource; sending second time information on the second uplink resource, the second time information is used to indicate the GNSS validity period of the terminal.
  • an embodiment of the present disclosure provides a communication method, which is performed by a network device.
  • the method includes: receiving first information after a measurement gap ends, the first information being used to indicate that a terminal has successfully performed a GNSS measurement.
  • the above method also includes: determining time length information of an unconfigured measurement gap, the time length information of the measurement gap is used to indicate the length of the measurement gap configured for the terminal; determining the time length indicated by the first time information as the length of the measurement gap, the first time information is sent by the terminal and is used to indicate the time length associated with the GNSS measurement.
  • the above method further includes: sending length information of the measurement gap, where the time length information of the measurement gap is used to indicate the length of the measurement gap configured for the terminal.
  • the first information is used to indicate a GNSS validity period of the terminal.
  • receiving the first information after the measurement gap ends includes: sending the second information after the measurement gap ends, the second information is used to indicate the GNSS validity period of the terminal sending the terminal; receiving the first information.
  • the above-mentioned sending the second information after the measurement gap ends includes: sending a first message after the measurement gap ends, the first message carrying the second information, and the first message is used to schedule a first uplink resource; wherein, receiving the first information includes: receiving the first information on the first uplink resource.
  • receiving the first information after the measurement gap ends includes: receiving the first information within a preset time window, where the preset time window is a time window after the measurement gap ends.
  • the first information is a random access sequence
  • the random access sequence is used to request uplink resources.
  • receiving the first information after the measurement gap ends includes: receiving the first information on a first random access resource after the measurement gap ends.
  • the first random access resource includes one of the following: the first random access resource after the measurement gap ends; a random access resource within a preset time window after the measurement gap ends.
  • the above method also includes: sending a second message, the second message is used to schedule a second uplink resource; receiving second time information on the second uplink resource, the second time information is used to indicate the GNSS validity period of the terminal.
  • an embodiment of the present disclosure provides a communication method, which is performed by a communication system.
  • the method includes: after a measurement gap ends, a terminal sends first information to a network device, the first information is used to indicate that the terminal has successfully performed a GNSS measurement.
  • the above method also includes: the terminal determines that the length information of the measurement gap is not received, and the length information of the measurement gap is used to indicate the length of the measurement gap configured by the network device for the terminal; the terminal determines the time length indicated by the first time information sent by itself to the network device as the length of the measurement gap, and the first time information is used to indicate information about the time length associated with the GNSS measurement.
  • the above method also includes: the terminal receives time length information of the measurement gap sent by the network device, the length information of the measurement gap is used to indicate the length of the measurement gap configured by the network device for the terminal; the terminal determines that the time length indicated by the time length information of the measurement gap is the length of the measurement gap.
  • a difference between a length of the measurement gap and a time length indicated by time information sent by the terminal to the network device is less than or equal to a first threshold.
  • the first information is used to indicate a GNSS validity period of the terminal.
  • the terminal sends first information to the network device after the measurement gap ends, including: the network device sends second information to the terminal after the measurement gap ends, and the second information is used to indicate the GNSS validity period of the terminal sending the terminal; the terminal sends the first information to the network device.
  • the network device sends second information to the terminal after the measurement gap ends, including: the network device sends a first message, the first message carries the second information, and the first message is used to schedule a first uplink resource; the terminal sends first information to the network device, including: the terminal sends the first information on the first uplink resource.
  • the terminal sends the first information to the network device after the measurement gap ends, including: the terminal sends the first information to the network device within a preset time window, and the preset time window is the time window after the measurement gap ends.
  • the first information is a random access sequence
  • the random access sequence is used to request uplink resources.
  • the terminal sends first information to the network device after the measurement gap ends, including: the terminal sends the first information to the network device on a first random access resource after the measurement gap ends.
  • the first random access resource includes one of the following: the first random access resource after the measurement gap ends; a random access resource within a preset time window after the measurement gap ends.
  • the above method also includes: the network device sends a second message to the terminal, the second message is used to schedule a second uplink resource; the terminal sends second time information to the network device on the second uplink resource, and the second time information is used to indicate the GNSS validity period of the terminal.
  • the first transceiver module is used to receive second information after the measurement gap ends, where the second information is used to indicate the GNSS validity period of the terminal sending the terminal; and send the first information.
  • the description object is a "level”
  • the ordinal number before the "level” in the “first level” and the “second level” does not limit the priority between the "levels”.
  • the number of description objects is not limited by the ordinal number, and can be one or more. Taking the "first device” as an example, the number of "devices” can be one or more.
  • the objects modified by different prefixes may be the same or different. For example, if the description object is "device”, then the “first device” and the “second device” may be the same device or different devices, and their types may be the same or different. For another example, if the description object is "information”, then the "first information” and the “second information” may be the same information or different information, and their contents may be the same or different.
  • the terminal may be replaced by an access network device, a core network device, or a network device.
  • the access network device, the core network device, or the network device may also be configured to have a structure that has all or part of the functions of the terminal.
  • each element, each row, or each column in the table of the embodiments of the present disclosure may be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns may also be implemented as an independent embodiment.
  • a communication system 100 includes a terminal 101 and a network device 102.
  • the network device 102 may be an access network device.
  • the access network device may be composed of a central unit (CU) and a distributed unit (DU).
  • the CU can also be called a control unit.
  • the CU-DU structure can be used to split the protocol layer of the access network device. The functions of some protocol layers are centrally controlled by the CU, and the functions of the remaining part or all of the protocol layers are distributed in the DU, which is centrally controlled by the CU, but not limited to this.
  • the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure.
  • a person of ordinary skill in the art can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.
  • LTE long term evolution
  • LTE-A LTE-advanced
  • LTE-B LTE-Beyond
  • SUPER 3G international mobile telecommunications-advanced
  • IMT-advanced 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G new radio (NR), future radio access (FRA), new radio access technology (RAT), new radio (NR), new radio access (NX), future generation radio access (FX), Global System for Mobile communications (GS M (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, ultra-wide band (UWB), Bluetooth (registered trademark)), Public Land Mobile Network (PLMN) network, Device-to-Device (D2D) system, Machine-to-Machine (M2M) system, Internet of Things (IoT) system, Vehicle-to-Everything (V2X), systems using other communication methods, and next-generation systems expanded based on them.
  • PLMN Public Land Mobile Network
  • D2D Device-to-Device
  • M2M Machine-to
  • the continuous emergence of new Internet applications such as augmented reality (AR), virtual reality (VR), and vehicle-to-vehicle (V2V) has put forward higher requirements for wireless communication technology, driving the continuous evolution of wireless communication technology to meet the needs of applications.
  • cellular mobile communication technology is in the evolution stage of a new generation of technology.
  • An important feature of the new generation of technology is to support flexible configuration of multiple service types.
  • eMBB enhanced mobile broadband
  • URLLC ultra-reliable low-latency communications
  • mMTC massive machine type communications
  • Satellite communication refers to the communication performed by radio communication equipment on the ground using satellites as relays.
  • the satellite communication system consists of a satellite part and a ground part.
  • the characteristics of satellite communication are: a large communication range; communication can be performed between any two points as long as they are within the range covered by the radio waves emitted by the satellite; it is not easily affected by land disasters and has high reliability.
  • satellite communication has the following characteristics: 1. Extended coverage: For areas that cannot be covered by cellular communication systems or where the coverage cost is high, such as oceans, deserts, and remote mountainous areas, satellite communication can be used to solve communication problems. 2. Emergency communication: In extreme situations such as disasters (such as earthquakes) that make the cellular communication infrastructure unavailable, satellite communication can be used to quickly establish a communication connection. 3. Provide industry applications: For example, for delay-sensitive services over long distances, satellite communication can be used to reduce the delay in service transmission.
  • K offset can be introduced to compensate for the transmission delay.
  • K offset can be applied to a variety of operations, such as: physical uplink shared channel (PUSCH) transmission scheduled by downlink control information (DCI); transmission of hybrid automatic repeat request (HARQ) feedback information and transmission of media access control (MAC) control element (CE).
  • PUSCH physical uplink shared channel
  • DCI downlink control information
  • HARQ hybrid automatic repeat request
  • MAC media access control control
  • the propagation delay in a satellite communication system is much longer than the propagation delay in a ground mobile system, ranging from a few milliseconds to hundreds of milliseconds depending on the altitude of the satellite or airborne platform and the type of payload in the satellite communication system.
  • the terminal needs to apply a larger timing advance (TA) value, but it will cause a large offset in the timing of its downlink (DL) and uplink (UL) frames.
  • Figure 1B shows a scenario in which the terminal applies a larger TA and the DL frame and UL frame timing of the network device (such as an access network device) are aligned.
  • Figure 1C shows another scenario in which there is no need to align the DL frame and UL frame of the access network device.
  • the terminal applies a terminal-specific TA (such as a UE-specific TA) to align the DL frame and UL frame timing at a predetermined reference point.
  • a terminal-specific TA such as a UE-specific TA
  • additional complexity is required on the network device side to manage the corresponding scheduling timing of the scenario. In this way, various timing relationships need to be enhanced to cope with large offsets in the timing of the DL frame and UL frame of the terminal.
  • the terminal needs to know its own location information in order to compensate for uplink synchronization.
  • the terminal can obtain its own location information through a navigation satellite system, such as a global navigation satellite system (GNSS).
  • GNSS global navigation satellite system
  • the global navigation satellite system may include China's Beidou navigation satellite system (BDS), the United States' global positioning system (GPS), Russia's GLONASS, and the European Union's Galileo navigation satellite system (GALILEO), and other navigation satellite systems and their evolution systems.
  • BDS Beidou navigation satellite system
  • GPS United States' global positioning system
  • GLONASS Russia's GLONASS
  • GALILEO European Union's Galileo navigation satellite system
  • other navigation satellite systems may also be included, and the embodiments of the present disclosure do not specifically limit this.
  • the cellular module and the GNSS module are not supported to work simultaneously, but sporadic transmission can be supported.
  • the terminal can send GNSS available time information (used to indicate the GNSS validity period) to the network device.
  • GNSS validity period of the terminal expires, the terminal will enter the idle state.
  • the network device can trigger the terminal to perform GNSS measurement in the connected state, thereby preventing the terminal from entering the IDLE state.
  • the terminal before the terminal performs GNSS measurement, the terminal also needs to send time information required for the measurement (such as GNSS positioning duration information (used to indicate the time required for GNSS positioning (GNSS position fix time duration)) to the network device, so that the network device can configure a suitable measurement gap for the terminal.
  • time information required for the measurement such as GNSS positioning duration information (used to indicate the time required for GNSS positioning (GNSS position fix time duration)
  • GNSS positioning duration information used to indicate the time required for GNSS positioning (GNSS position fix time duration)
  • the measurement gap can also be described as a GNSS measurement gap (GNSS measurement gap).
  • the terminal if the terminal successfully performs GNSS measurement, it can indicate the remaining GNSS validity duration to the network device. Specifically, the terminal can use message 3 (msg3) in the random access process.
  • msg3 message 3
  • the network device is not clear about the motivation of the terminal to initiate the random access process, and whether the terminal needs to indicate the remaining GNSS validity duration to the network device. Therefore, unnecessary redundancy of msg3 information may be caused, affecting uplink coverage.
  • GNSS remaining validity period and “GNSS validity period” are interchangeable.
  • GNSS measurement and “GNSS positioning” are interchangeable.
  • GNSS measurement execution is successful
  • GNSS measurement is successfully executed GNSS measurement is successfully executed
  • GNSS measurement is successfully executed GNSS measurement is successfully executed
  • GNSS measurement is successfully executed GNSS measurement is successful
  • measurement success and the like are interchangeable.
  • step S2110 the terminal determines that the measurement gap length information sent by the network device is not received.
  • the terminal does not need to transmit or receive any channel/signal within the measurement gap before successfully performing GNSS measurements.
  • the name of the second information is not limited, and it may be, for example, “indication information”, “trigger indication information”, “uplink indication information”, “target indication information”, etc.
  • the first message is used to instruct the terminal to send the first information on a specified resource.
  • the specified resource is the first uplink resource.
  • step S2104 may be omitted.
  • the terminal autonomously sends the first information.
  • the terminal when the terminal autonomously sends the first information, the terminal may autonomously determine the first uplink resource to send the first information.
  • step S2150 the terminal sends first information on a first uplink resource.
  • a network device receives first information.
  • the terminal sends the first information on the uplink resource indicated by the second information.
  • the first information is used to indicate that the GNSS measurement of the terminal in the measurement gap is performed successfully.
  • the name of the first information is not limited, and it may be, for example, “indication information”, “measurement indication information”, “measurement success indication information”, etc.
  • FIG3A is a schematic diagram of a first example of a sending location of the first information provided according to an embodiment of the present disclosure.
  • the terminal detects a first message sent by a network device.
  • the first message may carry second information.
  • the indication information is used to instruct the terminal to send the first information on the first uplink resource, so that after the network device receives the first information sent by the terminal, it can be determined that the terminal has successfully performed the GNSS measurement.
  • the first information may be used to indicate the GNSS validity period of the terminal.
  • the first information may be GNSS available time information.
  • the network device may also obtain the GNSS validity period of the terminal.
  • the terminal sends the GNSS validity period to the network device.
  • the terminal can Each time a measurement is performed, a GNSS validity period is sent.
  • the terminal may also send a new GNSS validity period to the network device when the time length of the GNSS validity period changes.
  • the terminal may also send other information, such as GNSS positioning duration information, while sending the GNSS available time information, to indicate the time required for GNSS positioning to the network device.
  • GNSS available time information and the GNSS positioning duration information may be carried in the same message or carried in different messages and sent simultaneously.
  • the terminal may send GNSS available time information and GNSS positioning continuity information respectively.
  • the GNSS positioning continuity information may be carried in, for example, an RRC connection reestablishment complete message (RRCConnectionReestablishmentComplete or
  • the communication method involved in the embodiments of the present disclosure may include at least one of steps S2110 to S2150.
  • step S2150 can be implemented as an independent embodiment.
  • step S2130 and step S2150 can be implemented as independent embodiments.
  • steps S2130 to S2150 can be implemented as independent embodiments.
  • steps S2110 to S2130 and step S2150 can be implemented as independent embodiments.
  • the combination of steps S2110 to S2150 can be implemented as an independent embodiment. It should be noted that one or more steps in steps S2110 to S2150 may be composed of a possible independent embodiment, but are not limited to this.
  • step S2110, step S2120, step S2130 and step S2140 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S2110, step S2120, and step S2140 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S2110 and step S2120 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S2140 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • the terminal indicates that it has successfully performed GNSS measurement by sending the first information to the network device.
  • the terminal and the network device can reach an agreement on the result of the GNSS measurement performed by the corresponding terminal, avoiding information asymmetry between the terminal and the network device.
  • Fig. 2B is a second flow chart of a communication method according to an embodiment of the present disclosure.
  • the present disclosure embodiment relates to a communication method, which is used in a communication system 100.
  • the communication method of the embodiment of the present disclosure includes steps S2210 to S2260.
  • step S2230 can refer to the optional implementation of step S2130 in Figure 2A and other related parts of the embodiment involved in Figure 2A, which will not be repeated here.
  • the first information is used to indicate that the terminal successfully performs GNSS measurement within the measurement gap.
  • the first information is used to indicate that the GNSS measurement of the terminal in the measurement gap is performed successfully.
  • the first information is a random access sequence
  • the random access sequence is used to request uplink resources.
  • the first information may also be used to trigger a contention-based random access procedure.
  • the first information may also be used to trigger a non-contention-based random access procedure.
  • the name of the first information is not limited, and it may be, for example, “random access request information”, “random access preamble information”, etc.
  • the first information may be carried in message 1 (message 1, msg1) in the random access process and sent.
  • the random access process may be 4-step random access (4-step RACH) or 2-step random access (2-step RACH), which is not specifically limited in the embodiments of the present disclosure.
  • the terminal sends the first information via PRACH signaling.
  • the terminal may also send GNSS positioning duration information to indicate to the network device the time required for GNSS positioning.
  • GNSS position fix time duration may indicate to the network device the time required for GNSS positioning.
  • the GNSS positioning duration information may be sent simultaneously with the first information.
  • the GNSS positioning duration information and the first information may be carried in the same message (eg, msg1) and sent.
  • the first random access resource may include the first random access resource (such as the first RO resource) after the measurement gap ends.
  • the first random access resource may include a random access resource within a preset time window after the measurement gap ends.
  • the terminal may select any one of the first random access resources, which may include a resource for sending a random access sequence (i.e., the first information).
  • the preset time window may be predefined or preconfigured, or may be configured by the network device for the terminal.
  • step S2250 the network device sends third information.
  • the terminal receives third information.
  • the third information is used to instruct the terminal to send the GNSS validity period on the second uplink resource.
  • the second uplink resource is configured for the terminal by the network device in response to the first information.
  • the name of the third information is not limited, and it may be, for example, "response information”, “random access response information”, “trigger reporting information”, etc.
  • the third information may be carried in message 2 (msg2) during the random access process.
  • the random access process may be 4-step random access (4-step RACH) or 2-step random access (2-step RACH), which is not specifically limited in the embodiments of the present disclosure.
  • the second uplink resource is scheduled by UL grant.
  • the second uplink resource is used by the terminal to send the GNSS validity period.
  • the network device receives second time information.
  • the terminal sends the second time information on the second uplink resource.
  • the second uplink resource may be carried in message 3 (msg3) during the random access process.
  • the terminal randomly accesses a resource after the measurement gap ends.
  • the terminal sends a random access sequence (i.e., first information) on the first RO resource after the measurement gap ends, for requesting uplink resources.
  • the terminal sends a random access sequence (i.e., first information) on one of the RO resources based on the terminal implementation on multiple RO resources within a preset time window after the measurement gap ends, for requesting uplink resources.
  • step S2310 the terminal determines that the measurement gap length information sent by the network device is not received.
  • the network device receives the first information within a preset time window.
  • the first information is used to indicate that the terminal successfully performs GNSS measurement within the measurement gap.
  • the terminal receives length information of the measurement gap.
  • the length information of the measurement gap is configured by the network device for the terminal.
  • the network device sends a radio resource control (RRC) signaling or a medium access control (MAC) control element (CE), wherein the RRC signaling or the MAC CE carries the length information of the measurement gap.
  • RRC radio resource control
  • MAC medium access control
  • the length of the measurement gap is greater than or equal to the time length indicated by the time information sent by the terminal to the network device.
  • the time information sent by the terminal may include at least one of GNSS positioning duration information, GNSS available time information, etc.
  • the GNSS positioning duration information is used to indicate the time required for GNSS positioning
  • the GNSS available time information is used to indicate the GNSS validity period.
  • the time information sent by the above terminal is the latest reported by the terminal, or is sent by the terminal after the last GNSS measurement is completed.
  • the length of the measurement gap is greater than or equal to the time required for GNSS positioning reported by the terminal.
  • the network device sends configuration information of the measurement gap.
  • the configuration information of the measurement gap may include at least one of the starting position information of the measurement gap, the length information of the measurement gap, etc.
  • the starting position information of the measurement gap is used to indicate the starting position of the measurement gap.
  • the length information of the measurement gap may be determined by the network device based on time information sent by the terminal to the network device.
  • the starting position of the measurement gap may be configured by the network device for the terminal. In some embodiments, the starting position of the measurement gap may also be predefined or preconfigured. Exemplarily, the starting position of the measurement gap may be the end position of the GNSS validity period, or the time domain position N time units after receiving the GNSS measurement trigger instruction, or the time domain position N time units after the position of the terminal feedback HARQ information. Wherein N is a positive integer.
  • time unit can be understood as “frame”, “sub-frame”, “time slot”, “sub-time slot”, “symbol” and the like.
  • the terminal determines the time length indicated by the measurement gap length information configured by the network device as the length of the measurement gap.
  • step S2420 the terminal performs GNSS measurement within the length of the measurement gap.
  • the GNSS measurement may be triggered by a network device.
  • the network device sends a trigger instruction to the terminal to instruct the terminal to perform the GNSS measurement.
  • the terminal performs the GNSS measurement in response to the trigger instruction.
  • the GNSS measurement may also be performed autonomously by the terminal.
  • the terminal obtains indication information from a high level and determines that the GNSS measurement can be performed autonomously.
  • the terminal determines that under certain conditions, such as not receiving a trigger instruction to trigger the GNSS measurement sent by the network side and the GNSS of the terminal is about to expire, the terminal autonomously performs the GNSS measurement.
  • the trigger instruction may be a high-level signaling, such as a radio resource control (RRC) signaling, a broadcast message, a system message, a medium access control (MAC) control element (CE), a downlink control information (DCI), and a signaling carried by a physical downlink shared channel (PDSCH).
  • RRC radio resource control
  • MAC medium access control
  • DCI downlink control information
  • PDSCH physical downlink shared channel
  • the first information may also be carried in other signaling and sent, and the embodiments of the present disclosure do not specifically limit this.
  • the trigger instruction is a MAC CE.
  • step S2430 the terminal determines that a difference between the length of the measurement gap and the time length indicated by the time information sent by the terminal is less than or equal to a first threshold.
  • the terminal determines that the length of the measurement gap is greater than the time length indicated by the time information sent by the terminal.
  • the time information sent by the terminal may include GNSS positioning duration information.
  • the time length indicated by the above time information may be the length of time required for GNSS positioning.
  • the terminal may determine that the difference between the length of the measurement gap configured by the network device and the length of the time required for GNSS positioning is less than or equal to a preset value X (i.e., a first threshold), and the value of X is greater than 0.
  • a preset value X i.e., a first threshold
  • the first threshold may be predefined or preconfigured, or may be configured by the network device for the terminal.
  • step S2440 the terminal sends first information after the measurement gap ends.
  • step S2440 can refer to the optional implementation of step S2130 in Figure 2A, step S2240 in Figure 2B, and other related parts in the embodiments involved in Figures 2A and 2B, which will not be repeated here.
  • the terminal determines that the difference between the length of the measurement gap and the time length indicated by the time information sent by the terminal is greater than a first threshold. At this time, the terminal initiates a random access process within the measurement gap and sends a second time information, such as the available time information of GNSS, on the uplink resources scheduled by the network device (such as the resources corresponding to msg3). In some embodiments, the terminal can also send the second time information via MAC CE within the measurement gap.
  • the communication method involved in the embodiments of the present disclosure may include at least one of steps S2410 to S2440.
  • steps S2430 and S2440 may be implemented as independent embodiments.
  • steps S2420 and S2440 may be implemented as independent embodiments.
  • steps S2420 to S2440 may be implemented as independent embodiments.
  • steps S2410, S2420, and S2440 may be implemented as independent embodiments.
  • steps S2410 to S2440 may be implemented as independent embodiments. It should be noted that one or more steps in steps S2410 to S2440 may constitute a possible independent embodiment, but are not limited to this.
  • step S2410 and step S24200 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S2410 or step S2420 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • the terminal indicates that it has successfully performed GNSS measurement by sending the first information to the network device.
  • the terminal and the network device can reach an agreement on the result of the GNSS measurement performed by the corresponding terminal, avoiding information asymmetry between the terminal and the network device.
  • the names of information, etc. are not limited to the names recorded in the embodiments, and terms such as “information”, “message”, “signal”, “signaling”, “report”, “configuration”, “indication”, “instruction”, “command”, “channel”, “parameter”, “domain”, “field”, “symbol”, “symbol”, “code element”, “codebook”, “codeword”, “codepoint”, “bit”, “data”, “program”, and “chip” can be used interchangeably.
  • terms such as “uplink”, “uplink”, “physical uplink” can be interchangeable, and terms such as “downlink”, “downlink”, “physical downlink” can be interchangeable, and terms such as “side”, “sidelink”, “side communication”, “sidelink communication”, “direct connection”, “direct link”, “direct communication”, “direct link communication” can be interchangeable.
  • the terms “physical downlink shared channel (PDSCH)”, “DL data” and the like can be interchangeable with each other, and the terms “physical uplink shared channel (PUSCH)”, “UL data” and the like can be interchangeable with each other.
  • wireless access scheme and waveform may be used interchangeably.
  • the terminal receives second information sent by the network device after the measurement gap ends.
  • the terminal sends first information to the network device on a first uplink resource.
  • the communication method involved in the embodiments of the present disclosure may include at least one of steps S4110 to S4150.
  • step S4150 can be implemented as an independent embodiment.
  • step S4130 and step S4150 can be implemented as independent embodiments.
  • steps S4130 to S4150 can be implemented as independent embodiments.
  • steps S4110 to S4130 and step S4150 can be implemented as independent embodiments.
  • the combination of steps S4110 to S4150 can be implemented as an independent embodiment. It should be noted that one or more steps in steps S4110 to S4150 may form a possible independent embodiment, but are not limited to this.
  • step S4110, step S4120, step S4130 and step S4140 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S4110, step S4120, and step S4140 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S4110 and step S4120 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S4140 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • Fig. 4B is a second flow chart of a communication method executed by a terminal side according to an embodiment of the present disclosure.
  • the present disclosure embodiment relates to a communication method, which is used for a terminal 101 in a communication system 100.
  • the communication method of the present disclosure embodiment includes steps S4210 to S4240.
  • step S4210 it is determined that the measurement gap length information sent by the network device is not received.
  • step S4210 can refer to the optional implementation of step S2210 in Figure 2B and other related parts of the embodiment involved in Figure 2B, which will not be repeated here.
  • step S4220 the time length indicated by the time information sent by itself is determined as the length of the measurement gap.
  • step S4220 can refer to the optional implementation of step S2220 in Figure 2B and other related parts of the embodiment involved in Figure 2B, which will not be repeated here.
  • step S4230 GNSS measurement is performed within the length of the measurement gap.
  • step S4230 can refer to the optional implementation of step S2230 in Figure 2B and other related parts of the embodiment involved in Figure 2B, which will not be repeated here.
  • step S4240 first information is sent on a first random access resource after the measurement gap ends.
  • step S4240 can refer to the optional implementation of step S2240 in Figure 2B and other related parts of the embodiment involved in Figure 2B, which will not be repeated here.
  • the terminal sends first information to the network device on a first random access resource after the measurement gap ends.
  • step S4250 third information is received.
  • step S4250 can refer to the optional implementation of step S2250 in Figure 2B and other related parts of the embodiment involved in Figure 2B, which will not be repeated here.
  • the terminal receives third information sent by the network device.
  • step S4260 second time information is sent on a second uplink resource.
  • step S4260 can refer to the optional implementation of step S2260 in Figure 2B and other related parts of the embodiment involved in Figure 2B, which will not be repeated here.
  • the terminal sends third information, such as GNSS available time information, to the network device on the second uplink resource.
  • third information such as GNSS available time information
  • the communication method involved in the embodiments of the present disclosure may include at least one of steps S4210 to S4260.
  • step S4240 can be implemented as an independent embodiment.
  • steps S4230 and S4240 can be implemented as independent embodiments.
  • steps S4230 to S4260 can be implemented as independent embodiments.
  • steps S4210 to S42400 can be implemented as independent embodiments.
  • the combination of steps S4210 to S4260 can be implemented as an independent embodiment. It should be noted that one or more steps in steps S4210 to S4260 may form a possible independent embodiment, but are not limited to this.
  • step S4210, step S4220, step S4230, step S4250 and step S4260 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S4210, step S4220, step S4250 and step S4260 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S4210 and step S4220 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S4250 and step S4260 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • Fig. 4C is a third flow chart of a communication method executed by a terminal side according to an embodiment of the present disclosure.
  • the present disclosure embodiment relates to a communication method, which is used for a terminal 101 in a communication system 100.
  • the communication method of the present disclosure embodiment includes steps S4310 to S4340.
  • step S4310 it is determined that the measurement gap length information sent by the network device is not received.
  • step S4310 can refer to the optional implementation of step S2310 in Figure 2C and other related parts of the embodiment involved in Figure 2C, which will not be repeated here.
  • step S4320 the time length indicated by the time information sent by itself is determined as the length of the measurement gap.
  • step S4320 can refer to the optional implementation of step S2320 in Figure 2C and other related parts of the embodiment involved in Figure 2C, which will not be repeated here.
  • step S4330 GNSS measurement is performed within the length of the measurement gap.
  • step S4330 can refer to the optional implementation of step S2330 in Figure 2C and other related parts of the embodiment involved in Figure 2C, which will not be repeated here.
  • step S4340 first information is sent within a preset time window after the measurement gap ends.
  • step S4340 can refer to the optional implementation of step S2340 in Figure 2C and other related parts of the embodiment involved in Figure 2C, which will not be repeated here.
  • the terminal sends the first information to the network device within a preset time window after the measurement gap ends.
  • step S4310 to step S4340 may be implemented as an independent embodiment.
  • step S4330 and step S4340 may be implemented as independent embodiments.
  • step S4310 to step S4340 may be implemented as independent embodiments. It should be noted that one or more steps in step S4310 to step S4340 may constitute a possible independent embodiment, but are not limited thereto.
  • step S4110, step S4120, and step S4130 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S4110 and step S4120 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S4130 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • Fig. 4D is a fourth flow chart of a communication method according to an embodiment of the present disclosure.
  • the present disclosure embodiment relates to a communication method, which is used in a communication system 100.
  • the communication method of the embodiment of the present disclosure includes steps S4410 to S4440.
  • step S4410 length information of a measurement gap is received.
  • step S4410 can refer to the optional implementation of step S2410 in Figure 2D and other related parts of the embodiment involved in Figure 2D, which will not be repeated here.
  • the terminal receives the length information of the measurement gap sent by the network device.
  • step S4420 GNSS measurement is performed within the length of the measurement gap.
  • step S4420 can refer to the optional implementation of step S2420 in Figure 2D and other related parts of the embodiment involved in Figure 2D, which will not be repeated here.
  • step S4430 it is determined that the difference between the length of the measurement gap and the time length indicated by the time information sent by the terminal is less than or equal to a first threshold.
  • step S4430 can refer to the optional implementation of step S2430 in Figure 2D and other related parts of the embodiment involved in Figure 2D, which will not be repeated here.
  • step S4440 the first information is sent after the measurement gap ends.
  • step S4440 can refer to the optional implementation of step S2440 in Figure 2D and other related parts of the embodiment involved in Figure 2D, which will not be repeated here.
  • the terminal sends first information to the network device after the measurement gap ends.
  • the terminal determines that the difference between the length of the measurement gap and the time length indicated by the time information sent by the terminal to the network device is greater than the first threshold. At this time, the terminal initiates a random access process in the measurement gap and sends the second time information on the uplink resources scheduled by the network device (such as the resources corresponding to msg3).
  • the communication method involved in the embodiment of the present disclosure may include at least one of step S4410 to step S4440.
  • step S4430 and step S4440 can be implemented as independent embodiments.
  • step S4420 and step S4440 can be implemented as independent embodiments.
  • steps S4420 to S4440 can be implemented as independent embodiments.
  • step S4410, step S4420, and step S4440 can be implemented as independent embodiments.
  • steps S4410 to S4440 can be implemented as independent embodiments. It should be noted that one or more steps in steps S4410 to S4440 may constitute a possible independent embodiment, but are not limited thereto.
  • step S4410 and step S44200 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S4410 or step S4420 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • FIG5A is a schematic diagram of a first flow chart of a communication method executed by a network device side according to an embodiment of the present disclosure.
  • the present disclosure embodiment relates to a communication method, which is used for a network device 102 in a communication system 100, such as an access network device.
  • the communication method of the present disclosure embodiment includes steps S5110 to S5120.
  • step S5110 the second information is sent after the measurement gap ends.
  • step S5110 can refer to the optional implementation of step S2140 in Figure 2A and other related parts in the embodiment involved in Figure 2A, which will not be repeated here.
  • the network device sends second information to the terminal after the measurement gap ends.
  • step S5120 first information is received on a first uplink resource.
  • step S5120 can refer to the optional implementation of step S2150 in Figure 2A and other related parts of the embodiment involved in Figure 2A, which will not be repeated here.
  • the network device receives first information sent by the terminal on a first uplink resource.
  • step S5110 may be implemented as an independent embodiment.
  • step S5120 may be implemented as an independent embodiment.
  • steps S5110 to S5120 may be implemented as independent embodiments. It should be noted that one or more steps in steps S5110 to S5150 may constitute a possible independent embodiment, but are not limited thereto.
  • step S5110 or step S5120 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • FIG5B is a second flow chart of a communication method performed by a network device side according to an embodiment of the present disclosure.
  • the present disclosure embodiment relates to a communication method, which is used for a network device 102 in a communication system 100, such as an access network device.
  • the communication method of the present disclosure embodiment includes steps S5210 to S5230.
  • step S5210 first information is received on a first random access resource after the measurement gap ends.
  • step S5210 can refer to the optional implementation of step S2240 in Figure 2B and other related parts of the embodiment involved in Figure 2B, which will not be repeated here.
  • the network device receives, on a first random access resource after the measurement gap ends, first information sent by the terminal.
  • step S5220 the third information is sent.
  • step S5220 can refer to the optional implementation of step S2250 in Figure 2B and other related parts of the embodiment involved in Figure 2B, which will not be repeated here.
  • the network device sends third information to the terminal.
  • step S5230 second time information is received on a second uplink resource.
  • step S5230 can refer to the optional implementation of step S2260 in Figure 2B and other related parts of the embodiment involved in Figure 2B, which will not be repeated here.
  • the network device receives the GNSS available time information sent by the terminal on the second uplink resource.
  • the communication method involved in the embodiment of the present disclosure may include at least one of steps S5210 to S5260.
  • step S5210 may be implemented as an independent embodiment.
  • steps S5220 and S5230 may be implemented as independent embodiments.
  • steps S5210 to S5230 may be implemented as independent embodiments. It should be noted that one or more steps in steps S5210 to S5260 may constitute a possible independent embodiment, but are not limited thereto.
  • step S5220 and step S5230 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S5210 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • FIG5C is a third flow chart of a communication method performed by a network device side according to an embodiment of the present disclosure.
  • the present disclosure embodiment relates to a communication method, which is used for a network device 102 in a communication system 100, such as an access network device.
  • the communication method of the present disclosure embodiment The method includes step S5310.
  • step S5310 first information is received within a preset time window after the measurement gap ends.
  • step S5310 can refer to the optional implementation of step S2340 in Figure 2C and other related parts of the embodiment involved in Figure 2C, which will not be repeated here.
  • the network device receives the first information sent by the terminal within a preset time window after the measurement gap ends.
  • 5D is a fourth flow chart of a communication method performed by a network device side according to an embodiment of the present disclosure.
  • the present disclosure embodiment relates to a communication method, which is used for a network device 102 in a communication system 100, such as an access network device.
  • the communication method of the present disclosure embodiment includes steps S5410 to S5420.
  • step S5410 the length information of the measurement gap is sent.
  • step S5410 can refer to the optional implementation of step S2410 in Figure 2D and other related parts of the embodiment involved in Figure 2D, which will not be repeated here.
  • the network device sends the length information of the measurement gap to the terminal.
  • step S5420 first information is received after the measurement gap ends.
  • step S5420 can refer to the optional method of step S2440 in Figure 2D and other related parts of the embodiment involved in Figure 2D, which will not be repeated here.
  • the network device receives first information sent by the terminal after the measurement gap ends.
  • step S5410 to step S5420 may be implemented as an independent embodiment.
  • step S5410 and step S5420 may be implemented as independent embodiments. It should be noted that one or more steps in step S5410 to step S5440 may constitute a possible independent embodiment, but are not limited thereto.
  • step S5410 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • Fig. 6A is a fifth flow chart of a communication method executed by a terminal side according to an embodiment of the present disclosure.
  • the present disclosure embodiment relates to a communication method, which is used for a terminal 101 in a communication system 100.
  • the communication method of the present disclosure embodiment includes step S6110.
  • step S6110 first information is sent after the measurement gap ends.
  • FIG. 6B is a fifth flow chart of a communication method performed by a network device side according to an embodiment of the present disclosure.
  • the present disclosure embodiment relates to a communication method, which is used for a network device 102, such as an access network device, in a communication system 100.
  • the communication method of the present disclosure embodiment includes step S6210.
  • the terminal determines whether it has received configuration indication information about the length of the measurement gap (i.e., the length information of the measurement gap).
  • the configuration information may be sent to the terminal via RRC signaling or MAC CE.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente divulgation concerne un procédé de communication, un terminal, un dispositif de réseau, un dispositif de communication et un support de stockage. Le procédé consiste à : envoyer des premières informations après la fin d'une lacune de mesure, les premières informations étant utilisées pour indiquer qu'un terminal a exécuté avec succès une mesure GNSS. Au moyen de la solution de la présente divulgation, un terminal et un dispositif de réseau peuvent atteindre un accord sur la condition d'exécution d'une mesure GNSS effectuée par le terminal.
PCT/CN2023/121817 2023-09-26 2023-09-26 Procédé de communication, terminal, dispositif de réseau, dispositif de communication et support de stockage Pending WO2025065301A1 (fr)

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CN202380011325.7A CN117546505A (zh) 2023-09-26 2023-09-26 通信方法、终端、网络设备、通信设备及存储介质

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