CN-122026964-A - Communication method, communication system and related equipment

Abstract

The present disclosure relates to a communication method, a communication system, and related devices, and relates to the technical field of wireless communication. The communication method comprises the step that the user equipment sends support information of the user equipment on the advanced receiving capability to the base station, wherein the support information of the user equipment on the advanced receiving capability comprises at least one of the number of receiving antennas, the number of receiving antennas supporting an advanced receiving algorithm and basic receiving capability supported by the user equipment.

Inventors

• WU JINGZHOU
• LIU BO
• ZHU JIANCHI

Assignees

• 中国电信股份有限公司技术创新中心
• 中国电信股份有限公司

Dates

Publication Date

20260512

Application Date

20241111

Claims (20)

1. 1. A method of communication, performed by a user equipment, comprising: And sending the support information of the user equipment on the advanced receiving capability to a base station, wherein the support information of the user equipment on the advanced receiving capability comprises at least one of the number of receiving antennas, the number of receiving antennas supporting an advanced receiving algorithm and basic receiving capability supported by the user equipment.
2. 2. The communication method of claim 1, wherein the support information for advanced reception capabilities by the user equipment further comprises one or more advanced reception algorithms for interference handling supported by the user equipment.
3. 3. A communication method according to claim 1 or 2, wherein the advanced reception algorithm is used for interference handling between multi-user multiple input multiple output MU-MIMO users.
4. 4. The communication method of claim 2, wherein the advanced reception algorithm comprises at least one of minimum mean square error interference rejection combining MMSE-IRC, enhanced minimum mean square error interference rejection combining E-MMSE-IRC, low complexity maximum likelihood R-ML.
5. 5. The communication method according to claim 1, wherein the number of the reception antennas supporting the advanced reception algorithm is any one of 2, 4,6, 8.
6. 6. The communication method of claim 1, wherein the base reception capability comprises at least one of a base single-user multiple-input multiple-output SU-MIMO reception algorithm, a simplified SU-MIMO reception algorithm.
7. 7. The communication method according to claim 1, further comprising: And receiving auxiliary information sent by the base station.
8. 8. The communication method of claim 7, wherein the auxiliary information includes at least one of whether there is currently MU-MIMO inter-user interference, an indication to turn on or off an advanced reception function, the number of multiplexing users, a modulation order of multiplexing users, the number of multiplexing users, allocation information of time-frequency resources currently transmitted by multiplexing users, demodulation reference signal DMRS port allocation information of multiplexing users, modulation coding strategy table information configured by a network for multiplexing users, reference signal configuration information of multiplexing users, wherein the reference signal includes at least one of a phase tracking reference signal PT-RS, a channel state information reference signal CSI-RS, and a tracking reference signal TRS.
9. 9. The communication method of claim 7, wherein the base station issues the auxiliary information through at least one of downlink control information DCI control signaling, higher layer radio resource control RRC signaling, control unit MAC-CE signaling of a higher layer medium access control layer.
10. 10. The communication method according to any one of claims 7 to 9, further comprising: And performing interference suppression or elimination according to the auxiliary information.
11. 11. A communication method performed by a base station, comprising: and receiving the support information of the user equipment on the advanced receiving capability, wherein the support information of the user equipment on the advanced receiving capability comprises at least one of the number of receiving antennas, the number of receiving antennas supporting an advanced receiving algorithm and the basic receiving capability supported by the user equipment.
12. 12. The communication method of claim 11, wherein the support information for advanced reception capabilities by the user equipment further comprises one or more advanced reception algorithms for interference handling supported by the user equipment.
13. 13. The communication method of claim 12, wherein the advanced reception algorithm is used for interference processing between MU-MIMO users.
14. 14. The communication method of claim 13, wherein the advanced reception algorithm comprises at least one of MMSE-IRC, E-MMSE-IRC, R-ML.
15. 15. The communication method according to claim 11, further comprising: And sending auxiliary information to the user equipment.
16. 16. The communication method of claim 15, wherein the auxiliary information comprises at least one of an indication of whether MU-MIMO inter-user interference is currently present, an advanced receive function is turned on or off, a number of multiplexed users, a modulation order of multiplexed users, a number of multiplexed users, allocation information of time-frequency resources currently transmitted by multiplexed users, DMRS port allocation information of multiplexed users, modulation coding strategy table information configured by a network for multiplexed users, and reference signal configuration information of multiplexed users, wherein the reference signal comprises at least one of PT-RS, CSI-RS, TRS.
17. 17. A user equipment, comprising: And the sending module is configured to send the support information of the user equipment on the advanced receiving capability to the base station, wherein the support information of the user equipment on the advanced receiving capability comprises at least one of the number of receiving antennas, the number of receiving antennas supporting an advanced receiving algorithm and basic receiving capability supported by the user equipment.
18. 18. A base station, comprising: And the receiving module is configured to receive the support information of the advanced receiving capability of the user equipment, which is sent by the user equipment, wherein the support information of the advanced receiving capability of the user equipment comprises at least one of the number of receiving antennas, the number of receiving antennas supporting an advanced receiving algorithm and basic receiving capability supported by the user equipment.
19. 19. A communication system, comprising: The user equipment of claim 17, and The base station of claim 18.
20. 20. An electronic device, comprising: Memory, and A processor coupled to the memory, the processor configured to perform the communication method of any of claims 1-16 based on instructions stored in the memory.

Description

Communication method, communication system and related equipment Technical Field The present disclosure relates to the field of wireless communications technologies, and in particular, to a communication method, a communication system, and related devices. Background A 5G NR (New Radio) base station commonly employs massive MIMO (Multiple Input Multiple Output ) at 3.5GHz and higher. In a multi-user MIMO (MU-MIMO) scene, a base station can simultaneously transmit downlink data to multiple users at the same frequency so as to improve network throughput and single-user rate experience, so that MU-MIMO is a transmission mode widely adopted in NR. Disclosure of Invention According to a first aspect of some embodiments of the present invention, there is provided a communication method performed by a user equipment, comprising transmitting, to a base station, user equipment support information for advanced reception capability, wherein the user equipment support information for advanced reception capability comprises at least one of a number of reception antennas, a number of reception antennas supporting an advanced reception algorithm, and a base reception capability supported by the user equipment. In some embodiments, the support information for advanced reception capabilities by the user equipment further includes one or more advanced reception algorithms supported by the user equipment for interference handling. In some embodiments, advanced reception algorithms are used to perform interference handling between MU-MIMO users. In some embodiments, the advanced reception algorithm includes at least one of MMSE-IRC (Minimum Mean Square Error-INTERFERENCE REJECTION COMBINING, minimum mean square error interference rejection combining), E-MMSE-IRC (Enhanced Minimum Mean Square Error-INTERFERENCE REJECTION COMBINING, enhanced minimum mean square error interference rejection combining), R-ML (Reduced Complexity Maximum Likelihood, low complexity maximum likelihood). In some embodiments, the number of receive antennas supporting advanced receive algorithms is any one of 2, 4, 6, 8. In some embodiments, the base reception capability includes at least one of a base SU-MIMO reception algorithm, a reduced SU-MIMO reception algorithm. In some embodiments, the communication method further comprises receiving auxiliary information transmitted by the base station. In some embodiments, the auxiliary Information includes at least one of an indication of whether there is an MU-MIMO inter-user interference, turning on or off an advanced reception function, the number of multiplexed users, a modulation order of the multiplexed users, a number of multiplexed users, allocation Information of time-frequency resources currently transmitted by the multiplexed users, DMRS (Demodulation reference signal) port allocation Information of the multiplexed users, modulation coding strategy table Information configured by a network for the multiplexed users, and reference signal configuration Information of the multiplexed users, wherein the reference signal includes at least one of PT-RS (PHASE TRACKING REFERENCE SIGNAL ), CSI-RS (CHANNEL STATE Information reference signal), TRS (TRACKING REFERENCE SIGNAL ). In some embodiments, the base station issues the assistance information through at least one of DCI (Downlink Control Information ) control signaling, higher layer RRC (Radio Resource Control ) signaling, higher layer MAC-CE (Medium Access Control Control Element, control element of medium access control layer) signaling. In some embodiments, the communication method further comprises interference suppression or cancellation based on the assistance information. According to a second aspect of some embodiments of the present disclosure, there is provided a communication method, which is performed by a base station, including receiving support information of advanced reception capability by a user equipment transmitted by the user equipment, wherein the support information of advanced reception capability by the user equipment includes at least one of the number of reception antennas, the number of reception antennas supporting an advanced reception algorithm, and a basic reception capability supported by the user equipment. In some embodiments, the support information for advanced reception capabilities by the user equipment further includes one or more advanced reception algorithms supported by the user equipment for interference handling. In some embodiments, advanced reception algorithms are used to perform interference handling between MU-MIMO users. In some embodiments, the advanced receive algorithm comprises at least one of MMSE-IRC, E-MMSE-IRC, R-ML. In some embodiments, the communication method further comprises sending assistance information to the user equipment. In some embodiments, the auxiliary information includes at least one of an indication of whether there is an inter-MU-MIMO user interference, turning on or off an adv