CN-122029923-A - Communication method, communication device, communication system, storage medium, and program product

Abstract

The present disclosure relates to a communication method, a communication device, a communication system, a storage medium, and a program product. The method is performed by the terminal and includes receiving budget information transmitted by the network device, wherein the budget information is used for determining a PDCCH budget for the terminal to perform PDCCH reception, and wherein the PDCCH budget is associated with at least one of PDCCH candidates, CCEs. By the scheme disclosed by the invention, the performance of PDCCH receiving in a communication system can be enhanced.

Inventors

• WU SHIJUAN

Assignees

• 北京小米移动软件有限公司

Dates

Publication Date

20260512

Application Date

20250815

Claims (20)

1. 1. A communication method performed by a terminal, wherein the method comprises: And receiving budget information sent by network equipment, wherein the budget information is used for determining a PDCCH budget received by the Physical Downlink Control Channel (PDCCH) executed by the terminal, and the PDCCH budget is associated with at least one of PDCCH candidates and Control Channel Element (CCE).
2. 2. The method of claim 1, wherein the PDCCH budget comprises at least one of: A blind detection budget; a processing budget; The budget is cached.
3. 3. The method of claim 2, wherein the blind detection budget comprises at least one of: the maximum number of PDCCH candidates for blind detection supported by the terminal in PDCCH reception; The terminal supports the maximum number of CCEs for blind detection in PDCCH reception.
4. 4. A method according to claim 2 or 3, wherein the processing budget comprises at least one of: The maximum number of PDCCH candidates for processing supported by the terminal in PDCCH reception; The maximum number of CCEs processed supported by the terminal in PDCCH reception; and the terminal processes the PDCCH with time delay.
5. 5. The method of any of claims 2-4, wherein the cache budget comprises at least one of: The maximum number of cached PDCCH candidates supported by the terminal in PDCCH reception; the terminal supports the maximum number of buffered CCEs in PDCCH reception.
6. 6. The method of any one of claims 2 to 5, wherein the PDCCH budget is determined according to a first constraint; wherein the first constraint is associated with at least one of: A serving cell; Scrambling the first RNTI; logic resources; frequency domain resources; time domain resources.
7. 7. The method of claim 6, wherein the time domain resources under the first constraint are determined by at least one of: maximum number of symbols for which the time span is continuous; a minimum number of symbols spaced between a first symbol of two consecutive time spans; A minimum number of time slots spaced between two consecutive time spans; a time window.
8. 8. The method of any of claims 1-7, wherein the budget information comprises at least one of: indication information indicating a PDCCH budget provided by the network device; and second information indicating a correspondence relation associated with the PDCCH budget.
9. 9. The method of claim 8, wherein the correspondence indicated by the second information comprises at least one of: A first correspondence between terminal capabilities of the terminal and PDCCH budgets; a second correspondence between the indication information and a PDCCH budget; and a third corresponding relation between the terminal capability of the equipment type and the PDCCH budget.
10. 10. The method of claims 1 to 9, wherein the method further comprises: determining PDCCH budget received by PDCCH of the terminal according to the first information; Wherein the first information includes at least one of: Terminal capabilities of the terminal; indication information indicating a PDCCH budget provided by the network device; terminal capabilities of the device type to which the terminal belongs.
11. 11. The method of claim 10, wherein the terminal capabilities of the terminal comprise at least one of: Support capability associated with ultra-reliable low latency communications URLLC; Support capability associated with high frequency communications; support capability related to basic capability of PDCCH; Support capability associated with low power wide area network LPWA.
12. 12. The method of claim 10 or 11, wherein the first information comprises at least one of terminal capabilities of the terminal and the indication information; Wherein, according to the first information, determining a PDCCH budget for PDCCH reception of the terminal includes: And determining the PDCCH budget for receiving the PDCCH of the terminal according to at least one of the terminal capability of the terminal and the indication information, wherein a first corresponding relation exists between the terminal capability of the terminal and the PDCCH budget, and a second corresponding relation exists between the indication information and the PDCCH budget.
13. 13. The method of claim 12, wherein the first correspondence is predefined or the first correspondence is obtained from the network device.
14. 14. The method of claim 12 or 13, wherein the second correspondence is predefined or obtained from the network device.
15. 15. The method of any one of claims 1 to 14, wherein the method further comprises: and sending third information to the network equipment, wherein the second information is used for determining PDCCH budget supported by the terminal under the first constraint by the network equipment.
16. 16. The method of claim 15, wherein the third information indicates at least one of: the maximum number of PDCCH candidates supported by the terminal in PDCCH reception; and the terminal supports the maximum number of CCEs corresponding to the PDCCH candidates in PDCCH reception.
17. 17. A method of communication performed by a network device, wherein the method comprises: And transmitting budget information to the terminal, wherein the budget information is used for determining a PDCCH budget received by the physical downlink control channel PDCCH executed by the terminal, and the PDCCH budget is associated with at least one of PDCCH candidates and control channel element CCEs.
18. 18. The method of claim 17, wherein the PDCCH budget comprises at least one of: A blind detection budget; a processing budget; The budget is cached.
19. 19. The method of claim 18, wherein the blind detection budget comprises at least one of: the maximum number of PDCCH candidates for blind detection supported by the terminal in PDCCH reception; The terminal supports the maximum number of CCEs for blind detection in PDCCH reception.
20. 20. The method of claim 18 or 19, wherein the processing budget comprises at least one of: The maximum number of PDCCH candidates for processing supported by the terminal in PDCCH reception; The maximum number of CCEs processed supported by the terminal in PDCCH reception; and the terminal processes the PDCCH with time delay.

Description

Communication method, communication device, communication system, storage medium, and program product Technical Field The present disclosure relates to the field of wireless communication, and in particular, to a communication method, a communication device, a communication system, a storage medium, and a program product. Background In some scenarios, a User Equipment (UE) needs to detect downlink control information (downlink control information, DCI) in a physical downlink control channel (physical downlink control channel, PDCCH) through blind detection (blind decoding). Without the UE knowing the location, format, and content of the PDCCH, the UE may attempt to decode multiple possible PDCCH candidates (candates) in a predefined search space (SEARCH SPACE, SS) until DCI belonging to the UE is found. Disclosure of Invention Embodiments of the present disclosure relate to a communication method, a communication device, a communication system, a storage medium, and a program product to enhance support for PDCCH reception for terminals with different capabilities. According to a first aspect of embodiments of the present disclosure, a communication method is provided. The method is performed by a terminal. The method comprises the steps of receiving budget information sent by network equipment, wherein the budget information is used for determining PDCCH budget for the terminal to receive PDCCH, and the PDCCH budget is associated with at least one of PDCCH candidates and CCEs. According to a second aspect of embodiments of the present disclosure, a communication method is provided. The method is performed by a network device. The method comprises the step of sending budget information to the terminal, wherein the budget information is used for determining PDCCH budget received by the terminal, and the PDCCH budget is associated with at least one of PDCCH candidates and CCEs. According to a third aspect of embodiments of the present disclosure, a communication method is provided. The method is performed by a terminal. The method comprises the step of determining a PDCCH budget for the terminal to receive PDCCH according to the first information, wherein the PDCCH budget is associated with at least one of PDCCH candidates and Control Channel Elements (CCEs). According to a fourth aspect of embodiments of the present disclosure, a communication method is provided. The method is performed by a network device. The method comprises the steps of receiving third information sent by the terminal, and determining PDCCH budget for the terminal to receive PDCCH according to the third information, wherein the PDCCH budget is associated with at least one of PDCCH candidates and control channel element CCE. According to a fifth aspect of embodiments of the present disclosure, a communication method is provided. The method is performed by a communication system. The communication system includes a terminal and a network device. The method comprises the steps that the network equipment sends budget information to the terminal, wherein the budget information is used for determining PDCCH budget for the terminal to receive PDCCH, the PDCCH budget is associated with at least one of PDCCH candidates and CCEs, and the terminal receives the PDCCH based on the PDCCH budget. According to a sixth aspect of embodiments of the present disclosure, a communication method is provided. The method is performed by a communication system. The communication system includes a terminal and a network device. The method comprises the steps that a terminal determines PDCCH budget for the terminal to receive PDCCH according to first information, the terminal sends third information to network equipment, the network equipment determines the PDCCH budget for the terminal to receive PDCCH according to the third information, and the PDCCH budget is associated with at least one of PDCCH candidates and control channel elements CCEs. According to a seventh aspect of embodiments of the present disclosure, a communication device is provided. The communication device is configured to perform the communication method according to any one of the first to fourth aspects. According to an eighth aspect of embodiments of the present disclosure, a communication system is provided. The communication system comprises a terminal, a network device and a terminal. The terminal is configured to perform the communication method according to the first or third aspect. The network device is configured to perform the communication method as described in the second or fourth aspect. According to a ninth aspect of embodiments of the present disclosure, there is provided a storage medium. The storage medium stores instructions. The instructions, when executed on a communication device, cause the communication device to perform the communication method according to any one of the first to sixth aspects. According to a tenth aspect of embodiments of the present disclosure, a prog