CN-122003818-A - Communication method, apparatus, and storage medium

Abstract

The present disclosure relates to a communication method, apparatus, and storage medium. The method comprises the steps of receiving first information sent by network equipment, wherein the first information comprises a transmission configuration indication TCI state table and first indication information, the TCI state table comprises a corresponding relation between TCI states and reference signals, beams corresponding to the TCI state table are beams which are determined according to satellite motion tracks of a satellite network to which terminal equipment belongs and can provide services for the terminal equipment, the first indication information is used for indicating the position of a first TCI state in the TCI state table, the first TCI state is a TCI state corresponding to a current service beam of the terminal equipment, and TCI switching is executed according to the first information. That is, the terminal device may perform TCI switching according to the TCI state table configured by the network device, so that it is not necessary to send a TCI state every time the beam switching is performed, and indicate the beam to be switched to the terminal device, thereby saving signaling overhead and improving beam switching efficiency.

Inventors

• HU ZIQUAN
• TAO XUHUA
• LIU MIN
• JI PENGYU

Assignees

• 北京小米移动软件有限公司

Dates

Publication Date

20260508

Application Date

20240902

Claims (20)

1. A method of communication, performed by a terminal device, the method comprising: Receiving first information sent by network equipment, wherein the first information comprises a transmission configuration indication TCI state table and first indication information, the TCI state table comprises a corresponding relation between a TCI state and a reference signal, a beam corresponding to the TCI state table is a beam which is determined according to a satellite motion trail of a satellite network to which the terminal equipment belongs and can provide service for the terminal equipment, the first indication information is used for indicating the position of a first TCI state in the TCI state table, and the first TCI state is a TCI state corresponding to a current service beam of the terminal equipment; And executing TCI switching according to the first information.
2. The method according to claim 1, wherein the method further comprises: determining that the first condition is satisfied; wherein the first condition includes at least one of: The service time length of the current service beam is larger than a first threshold, wherein the first threshold is the time length of the current service beam capable of providing service for the terminal equipment; The distance between the current position of the terminal equipment and the beam reference point of the current service beam is larger than a second threshold value; The measurement result of the reference signal corresponding to the first TCI state is smaller than a third threshold value, and the measurement result comprises at least one of Reference Signal Received Power (RSRP), reference Signal Received Quality (RSRQ) and signal-to-noise-and-interference ratio (SINR).
3. The method of claim 2, wherein the first information further comprises first configuration information including a measurement configuration of a reference signal in the TCI state table, the method further comprising: and measuring the reference signal corresponding to the first TCI state according to the first configuration information to obtain the measurement result.
4. A method according to claim 2 or 3, characterized in that the method further comprises at least one of the following: Determining the service duration of the current service beam according to the ephemeris information of the satellite network; And receiving second indication information sent by the network equipment, wherein the second indication information is used for indicating the service duration of the current service beam.
5. The method of any of claims 2-4, wherein the performing TCI handover according to the first information comprises: determining a second TCI state from the TCI state table according to the first indication information; And switching to the second TCI state.
6. The method according to any one of claims 1-5, further comprising: And sending second information to the network equipment, wherein the second information is used for reporting the terminal equipment to execute TCI switching.
7. The method of claim 6, wherein the method further comprises: receiving second configuration information sent by the network equipment; Wherein the second configuration information includes at least one of: uplink resources; beam dwell time.
8. The method of claim 7, wherein the sending the second information to the network device comprises: and sending the second information to the network equipment according to the second configuration information.
9. The method according to any one of claims 1-8, further comprising: And sending third information to the network equipment, wherein the third information is used for reporting whether the terminal equipment has the capability of executing enhanced TCI switching.
10. The method according to any one of claims 1-9, wherein the method further comprises: And receiving third indication information sent by the network equipment, wherein the third indication information is used for indicating whether the terminal equipment is allowed to execute TCI switching.
11. A method of communication, performed by a network device, the method comprising: the method comprises the steps of sending first information to terminal equipment, wherein the first information comprises a transmission configuration indication TCI state table and first indication information, the TCI state table comprises a corresponding relation between TCI states and reference signals, beams corresponding to the TCI state table are beams which are determined according to satellite motion tracks of a satellite network to which the terminal equipment belongs and can provide services for the terminal equipment, the first indication information is used for indicating the position of a first TCI state in the TCI state table, the first TCI state is a TCI state corresponding to a current service beam of the terminal equipment, and the first information is used for the terminal equipment to execute TCI switching.
12. The method of claim 11, wherein the first information further comprises first configuration information, the first configuration information comprises measurement configuration of reference signals in the TCI state table, the first configuration information is used for the terminal device to measure reference signals corresponding to the first TCI state, and a measurement result is obtained, and the measurement result comprises at least one of reference signal received power RSRP, reference signal received quality RSRQ, and signal-to-noise-and-interference ratio SINR.
13. The method according to claim 11 or 12, characterized in that the method further comprises: and sending second indication information to the terminal equipment, wherein the second indication information is used for indicating the service duration of the current service beam.
14. The method according to any one of claims 11-13, further comprising: determining the first information according to the position information of the terminal equipment; wherein the location information includes at least one of: the terminal equipment accesses the position information used when the network equipment is accessed; And the position information reported by the terminal equipment.
15. The method according to any one of claims 11-14, further comprising: And receiving second information sent by the terminal equipment, wherein the second information is used for reporting the terminal equipment to execute TCI switching.
16. The method of claim 15, wherein the method further comprises: sending second configuration information to the terminal equipment; Wherein the second configuration information includes at least one of: uplink resources; beam dwell time.
17. The method according to any one of claims 11-16, further comprising: And receiving third information sent by the terminal equipment, wherein the third information is used for reporting whether the terminal equipment has the capability of executing enhanced TCI switching.
18. The method according to any one of claims 11-17, further comprising: and sending third indication information to the terminal equipment, wherein the third indication information is used for indicating whether the terminal equipment is allowed to execute TCI switching.
19. A terminal device, comprising: the receiving and transmitting module is configured to receive first information sent by the network equipment, the first information comprises a transmission configuration indication TCI state table and first indication information, the TCI state table comprises a corresponding relation between a TCI state and a reference signal, a beam corresponding to the TCI state table is a beam which can provide service for the terminal equipment and is determined according to a satellite motion track of a satellite network to which the terminal equipment belongs, and the first indication information is used for indicating the position of a first TCI state in the TCI state table, wherein the first TCI state is a TCI state corresponding to a current service beam of the terminal equipment; And a processing module configured to perform TCI switching according to the first information.
20. A network device, comprising: The terminal equipment comprises a receiving and transmitting module, a transmitting module and a receiving module, wherein the receiving and transmitting module is configured to send first information to the terminal equipment, the first information comprises a transmission configuration indication TCI state table and first indication information, the TCI state table comprises a corresponding relation between a TCI state and a reference signal, a beam corresponding to the TCI state table is a beam which can provide service for the terminal equipment and is determined according to a satellite motion track of a satellite network to which the terminal equipment belongs, the first indication information is used for indicating the position of a first TCI state in the TCI state table, the first TCI state is a TCI state corresponding to a current service beam of the terminal equipment, and the first information is used for the terminal equipment to execute TCI switching.

Description

Communication method, apparatus, and storage medium Technical Field The present disclosure relates to the field of communications technologies, and in particular, to a communication method, device, and storage medium. Background In a wireless communication system, beam information may be indicated by a Quasi Co-Location (QCL) relationship of antenna ports. QCL information of the physical downlink shared channel (Physical Downlink SHARED CHANNEL, PDSCH) may be configured by a transmission configuration indicator (Transmission Configuration Indication, TCI). Disclosure of Invention The embodiment of the disclosure provides a communication method, a device and a storage medium. According to a first aspect of embodiments of the present disclosure, a communication method is provided, which is performed by a terminal device, the method comprising: Receiving first information sent by network equipment, wherein the first information comprises a transmission configuration indication TCI state table and first indication information, the TCI state table comprises a corresponding relation between a TCI state and a reference signal, a beam corresponding to the TCI state table is a beam which is determined according to a satellite motion trail of a satellite network to which the terminal equipment belongs and can provide service for the terminal equipment, the first indication information is used for indicating the position of a first TCI state in the TCI state table, and the first TCI state is a TCI state corresponding to a current service beam of the terminal equipment; And executing TCI switching according to the first information. According to a second aspect of the embodiments of the present disclosure, there is provided a communication method performed by a network device, the method comprising: the method comprises the steps of sending first information to terminal equipment, wherein the first information comprises a transmission configuration indication TCI state table and first indication information, the TCI state table comprises a corresponding relation between TCI states and reference signals, beams corresponding to the TCI state table are beams which are determined according to satellite motion tracks of a satellite network to which the terminal equipment belongs and can provide services for the terminal equipment, the first indication information is used for indicating the position of a first TCI state in the TCI state table, the first TCI state is a TCI state corresponding to a current service beam of the terminal equipment, and the first information is used for the terminal equipment to execute TCI switching. According to a third aspect of the embodiments of the present disclosure, there is provided a terminal device, including: the receiving and transmitting module is configured to receive first information sent by the network equipment, the first information comprises a transmission configuration indication TCI state table and first indication information, the TCI state table comprises a corresponding relation between a TCI state and a reference signal, a beam corresponding to the TCI state table is a beam which can provide service for the terminal equipment and is determined according to a satellite motion track of a satellite network to which the terminal equipment belongs, and the first indication information is used for indicating the position of a first TCI state in the TCI state table, wherein the first TCI state is a TCI state corresponding to a current service beam of the terminal equipment; And a processing module configured to perform TCI switching according to the first information. According to a fourth aspect of embodiments of the present disclosure, there is provided a network device, comprising: The terminal equipment comprises a receiving and transmitting module, a transmitting module and a receiving module, wherein the receiving and transmitting module is configured to send first information to the terminal equipment, the first information comprises a transmission configuration indication TCI state table and first indication information, the TCI state table comprises a corresponding relation between a TCI state and a reference signal, a beam corresponding to the TCI state table is a beam which can provide service for the terminal equipment and is determined according to a satellite motion track of a satellite network to which the terminal equipment belongs, the first indication information is used for indicating the position of a first TCI state in the TCI state table, the first TCI state is a TCI state corresponding to a current service beam of the terminal equipment, and the first information is used for the terminal equipment to execute TCI switching. According to a fifth aspect of embodiments of the present disclosure, there is provided a communication device, comprising: One or more processors, wherein the communication device may be adapted to perform the alternative implementatio