Granted Patent B2

US 12,426,064 · App. 17/928,876 · Granted Sep 23, 2025

Inventor: Yang Liu (Beijing, CN)

Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.

H04W72/232H04W74/0833H04W74/0836

Abstract

Claims (40)

1. A method for transmitting information, performed by a base station, comprising:

sending downlink control information (DCI), by a random access response (RAR) physical downlink control channel (PDCCH) signaling, carrying an enhanced control indication, wherein the enhanced control indication comprises enhanced control parameters for random access of a first type user equipment (UE) with a first receiving capability, and the enhanced control parameters are configured to enhance message transmission of the first type UE in a random access procedure.

2. The method of claim 1 , wherein the enhanced control parameters at least comprise:

an enhanced control parameter for a RAR of the first type UE; and

the method further comprises: sending an enhanced RAR, by a physical downlink shared channel (PDSCH) signaling, to the first type UE based on the enhanced control parameter.

3. The method of claim 2 , wherein the DCI is configured to schedule 2-step random access resources of the first type UE, and

the enhanced control parameters comprise a duration parameter of a monitoring time window of the RAR.

4. The method of claim 3 , wherein the duration parameter of the monitoring time window of the RAR of the first type UE is greater than that of the RAR of a second type UE;

wherein the duration parameter of the monitoring time window of the RAR comprises a number of slots in the monitoring time window.

5. The method of claim 1 , wherein the DCI is configured to schedule 2-step random access resources or 4-step random access resources.

6. The method of claim 2 , wherein the enhanced control indication is carried by a reserved bit of the DCI; or wherein the enhanced control parameters comprise a transmission repetition parameter of the RAR.

7. The method of claim 1 , wherein the first receiving capability of the first type UE is lower than a second receiving capability of a second type UE;

wherein a number of antennas in the first type UE is less than that in the second type UE.

8. The method of claim 1 , wherein the enhanced control parameters comprise:

an enhanced control parameter for an Msg3 in a 4-step random access procedure of the first type UE.

9. The method of claim 8 , wherein the enhanced control parameter for the Msg3 of the first type UE indicates an offset value of a number of transmission repetitions of the Msg3;

wherein the enhanced control indication is also configured to indicate whether to apply the enhanced control parameters.

10. A method for transmitting information, performed by a first type user equipment (UE) with a first receiving ability, comprising:

receiving downlink control information (DCI), by a random access response (RAR) physical downlink control channel (PDCCH) signaling from a base station; and

obtaining an enhanced control indication carried by the DCI, wherein the enhanced control indication comprises enhanced control parameters for random access of the first type UE, and the enhanced control parameters are configured to enhance message transmission of the first type UE in a random access procedure.

11. The method of claim 10 , wherein obtaining the enhanced control indication carried by the DCI at least comprises:

obtaining an enhanced control parameter for a RAR of the first type UE; and the method further comprises: receiving an enhanced RAR, by a physical downlink shared channel (PDSCH) signaling, based on the enhanced control parameter.

12. The method of claim 11 , wherein the enhanced control parameters comprise a repeated transmission parameter of the RAR.

13. The method of claim 11 , wherein the DCI is configured to schedule 2-step random access resources of the first type UE, and the enhanced control parameters comprise a duration parameter of a monitoring time window of the RAR.

14. The method of claim 13 , wherein the duration parameter of the monitoring time window of the RAR of the first type UE is greater than that of the RAR of the second type UE;

wherein the duration parameter of the monitoring time window of the RAR comprises a number of slots in the monitoring time window.

15. The method of claim 10 , wherein the DCI is configured to schedule 2-step random access resources or 4-step random access resources.

16. The method of claim 10 , wherein the enhanced control indication is carried by a reserved bit of the DCI.

17. The method of claim 10 , wherein the first receiving capability of the first type UE is lower than a second receiving capability of the second type UE;

wherein a number of antennas in the first type UE is less than that in the second type UE.

18. The method of claim 10 , wherein the enhanced control parameters comprise an enhanced control parameter for an Msg3 in a 4-step random access procedure of the first type of UE.

19. The method of claim 18 , wherein the enhanced control parameter for the Msg3 of the first type UE indicates an offset value of a number of repeated transmissions of the Msg3;

wherein the method further comprises:

determining whether a base station applies the enhanced control parameters based on the enhanced control indication.

20. A communication device, comprising:

a processor; and

a memory, coupled to the processor and stored with a computer executable program for information transmission,

wherein when the computer executable program is executed by the processor, the processor is configured to:

receive downlink control information (DCI), by a random access response (RAR) physical downlink control channel (PDCCH) signaling from a base station; and

obtain an enhanced control indication carried by the DCI, wherein the enhanced control indication comprises enhanced control parameters for random access of the first type UE, and the enhanced control parameters are configured to enhance message transmission of the first type UE in a random access procedure.

Assignments (1)

Continuity (1)

References Cited (30)