Granted Patent B2

US 12,368,636 · App. 17/422,140 · Granted Jul 22, 2025

Inventors: Runqua Miao (Nanjing, CN); Sa Zhang (Nanjing, CN); Dawei Ma (Nanjing, CN)

Assignee: Spreadtrum Semiconductor (Nanjing) Co., Ltd.

H04L41/0803H04B7/04H04L5/0048H04L5/0053H04W72/23H04W72/51

Abstract

Claims (43)

1. A port configuration method, the method comprising:

receiving antenna port configuration parameters, the antenna port configuration parameters being adapted to transmission capability information of a terminal; and

determining, based on the antenna port configuration parameters, an association relationship set between port selection parameters and demodulation reference signal (DMRS) port identifiers,

wherein the antenna port configuration parameters include a demodulation reference signal type parameter, a demodulation reference signal maximum orthogonal frequency division multiplexing (OFDM) symbol length parameter, and a number-of-transport-stream configuration parameter, wherein the demodulation reference signal type parameter and the demodulation reference signal maximum OFDM symbol length parameter are used to configure a pattern of a demodulation reference signal, and the number-of-transport-stream configuration parameter is used to determine a maximum number of transport streams for the terminal.

2. The method according to claim 1 , wherein after determining, based on the antenna port configuration parameters, the association relationship set between the port selection parameters and the demodulation reference signal (DMRS) port identifiers, the method further comprises:

receiving a target port configuration parameter;

acquiring a target demodulation reference signal (DMRS) port identifier associated with the target port configuration parameter from the association relationship set; and

performing a port configuration based on the target DMRS port identifier.

3. The method according to claim 1 , wherein before receiving the antenna port configuration parameters, the method further comprises:

sending apparatus information, the apparatus information including an apparatus type of the terminal and the transmission capability information of the terminal.

4. The method according to claim 1 , wherein said receiving the antenna port configuration parameters comprises receiving radio resource control signaling, the radio resource control signaling including the antenna port configuration parameters.

5. The method according to claim 2 , wherein said receiving the target port configuration parameter comprises:

receiving downlink control information, the downlink control information including a target port selection parameter.

6. The method according to claim 5 , wherein the target port selection parameter is binary data whose number of bits is greater than or equal to 1 and less than or equal to 6.

7. A port configuration device, comprising a memory and a processor, the memory storing computer instructions, wherein the computer instructions cause the processor to:

receive antenna port configuration parameters, the antenna port configuration parameters being adapted to transmission capability information of a terminal; and

determine, based on the antenna port configuration parameters, an association relationship set between port selection parameters and demodulation reference signal (DMRS) port identifiers,

wherein the antenna port configuration parameters include a demodulation reference signal type parameter, a demodulation reference signal maximum OFDM symbol length parameter, and a number-of-transport-stream configuration parameter, wherein the demodulation reference signal type parameter and the demodulation reference signal maximum OFDM symbol length parameter are used to configure a pattern of a demodulation reference signal, and the number-of-transport-stream configuration parameter is used to determine a maximum number of transport streams of the terminal.

8. The device according to claim 7 , wherein the computer instructions further cause the processor to:

receive a target port configuration parameter;

DMRS port identifier associated with the target port configuration parameter from the association relationship set; and

perform a port configuration based on the target DMRS port identifier.

9. The device according to claim 7 , wherein the computer instructions further cause the processor to:

send apparatus information before receiving the antenna port configuration parameters, the apparatus information including an apparatus type of the terminal and the transmission capability information of the terminal.

10. The device according to claim 7 , wherein the computer instructions further cause the processor to:

receive the antenna port configuration parameters through radio resource control signaling.

11. The device according to claim 8 , wherein the computer instructions further cause the processor to:

receive downlink control information, the downlink control information including a target port selection parameter.

12. The device according to claim 11 , wherein the target port selection parameter is a binary data of a number of bits greater than or equal to 1 and less than or equal to 6.

13. A non-transitory computer readable storage medium having stored thereon computer program instructions, wherein the computer program instructions cause a processor to:

receive antenna port configuration parameters, the antenna port configuration parameters being adapted to transmission capability information of a terminal; and

determine, based on the antenna port configuration parameters, an association relationship set between port selection parameters and demodulation reference signal (DMRS) port identifiers,

wherein the antenna port configuration parameters include a demodulation reference signal type parameter, a demodulation reference signal maximum OFDM symbol length parameter, and a number-of-transport-stream configuration parameter, wherein the demodulation reference signal type parameter and the demodulation reference signal maximum OFDM symbol length parameter are used to configure a pattern of a demodulation reference signal, and the number-of-transport-stream configuration parameter is used to determine a maximum number of transport streams of the terminal.

14. The non-transitory computer readable storage medium according to claim 13 , wherein the computer program instructions further cause the processor to:

receive a target port configuration parameter;

acquire a target DMRS port identifier associated with the target port configuration parameter from the association relationship set; and

perform a port configuration based on the target DMRS port identifier.

15. The non-transitory computer readable storage medium according to claim 13 , wherein the computer program instructions further cause the processor to:

send apparatus information before receiving antenna port configuration parameters, the apparatus information including an apparatus type of the terminal and the transmission capability information of the terminal.

16. The non-transitory computer readable storage medium according to claim 13 , wherein the computer program instructions further cause the processor to:

receive the antenna port configuration parameters through radio resource control signaling.

17. The non-transitory computer readable storage medium according to claim 14 , wherein the computer program instructions further cause the processor to:

receive downlink control information, the downlink control information including a target port selection parameter.

Assignments (3)

Priority Claims (1)

Continuity (1)

References Cited (26)