CN-122001550-A - Communication method and device

Abstract

The communication method and device comprises the steps that first equipment feeds back first information related to data quantity capable of being transmitted between the first equipment and second equipment to core network equipment, the core network equipment determines second information according to the first information and sends the second information to the first equipment, the data quantity of the second information can meet the requirement of a wireless channel between the first equipment and the second equipment on the data quantity, and the problem that the first equipment cannot finish transmission of upper-layer information (such as the second information) is avoided.

Inventors

• Seng Shuming
• LI CHENWAN

Assignees

• 华为技术有限公司

Dates

Publication Date

20260508

Application Date

20241108

Claims (20)

1. 1. A communication method, wherein the method is applied to a first device, or a chip in the first device, comprising: Transmitting first information to a core network device, wherein the first information is related to the data volume capable of being transmitted between the first device and a second device, or the first information is related to the data volume capable of being transmitted between the core network device and the first device; Second information is received from the core network device, the second information being determined from the first information.
2. 2. The method of claim 1, wherein when the first information is associated with an amount of data that can be transmitted between the first device and a second device, the first information comprises at least one of a first amount of data, a first transport block size, TBS, or first channel quality information; The first data amount is the data amount capable of being transmitted between the first device and the second device, the first TBS is the TBS capable of being transmitted between the first device and the second device, and the first channel quality information is the quality information of a wireless channel between the first device and the second device.
3. 3. The method of claim 1, wherein when the first information is associated with an amount of data that can be transmitted between the core network device and the first device, the first information includes a second amount of data that can be transmitted between the core network device and the first device.
4. 4. A method as claimed in any one of claims 1 to 3, wherein the data amount of the second information is determined from the first information.
5. 5. The method of any one of claims 1 to 4, further comprising: And sending third information to the second equipment, wherein the third information is determined according to the second information, and the data volume of the third information meets the requirement of a wireless channel between the first equipment and the second equipment on the data volume.
6. 6. The method of claim 1 or 2, wherein the second information comprises scheduling information determined from the first information, the scheduling information being used to schedule the second device to send information to the first device.
7. 7. The method of claim 1, 2 or 6, wherein the method further comprises: transmitting third information to the second device, wherein the third information is determined according to the second information, and the third information comprises scheduling information for scheduling the second device to transmit fourth information; and receiving fourth information from the second equipment, wherein the data volume of the fourth information meets the requirement of a wireless channel between the first equipment and the second equipment on the data volume.
8. 8. The method according to any one of claims 1 to 7, wherein first indication information is included in the second information, the third information, or the fourth information, the first indication information being used to indicate the amount of information including the first indication information.
9. 9. The method according to any one of claims 1 to 8, wherein second information, the third information, or the fourth information includes second indication information for indicating whether information including the second indication information is transmitted in segments.
10. 10. The method according to any one of claims 1 to 9, wherein third indication information is included in the second information, the third information, or the fourth information, the third indication information being used to indicate whether transmission of information including the third indication information is completed.
11. 11. The method according to any of claims 1 to 10, further comprising, prior to said sending the first information to the core network device: Receiving fifth information from the core network device; the fifth information does not satisfy a requirement of a wireless channel between the first device and the second device for a data amount.
12. 12. A communication method, wherein the method is applied to a core network device or a chip in the core network device, and comprises: Receiving first information from a first device, wherein the first information is associated with the data volume capable of being transmitted between the first device and a second device, or the first information is associated with the data volume capable of being transmitted between the core network device and the first device; And sending second information to the first device, wherein the second information is determined according to the first information.
13. 13. The method of claim 12, wherein when the first information is associated with an amount of data that can be transmitted between the first device and a second device, the first information comprises at least one of a first amount of data, a first transport block size, TBS, or first channel quality information; The first data amount is the data amount capable of being transmitted between the first device and the second device, the first TBS is the TBS capable of being transmitted between the first device and the second device, and the first channel quality information is the quality information of a wireless channel between the first device and the second device.
14. 14. The method of claim 12, wherein when the first information is associated with an amount of data that can be transmitted between the core network device and the first device, the first information includes a second amount of data that can be transmitted between the core network device and the first device.
15. 15. The method of any of claims 12 to 14, wherein the data amount of the second information is determined from the first information.
16. 16. The method of claim 12 or 13, wherein the second information comprises scheduling information determined from the first information, the scheduling information being used to schedule the second device to send information to the first device.
17. 17. A method according to any one of claims 12 to 16, wherein the second information comprises first indication information for indicating the amount of the second information.
18. 18. A method according to any one of claims 12 to 17, wherein the second information comprises second indication information, the second indication information being used to indicate whether the second information is transmitted in segments.
19. 19. A method according to any one of claims 12 to 18, wherein the second information includes third indication information, the third indication information being used to indicate whether the second information is transmitted.
20. 20. The method of any of claims 12 to 19, further comprising, prior to the receiving the first information from the first device: and sending fifth information to the first device, wherein the fifth information does not meet the requirement of a wireless channel between the first device and the second device on the data volume.

Description

Communication method and device Technical Field The present application relates to the field of communications technologies, and in particular, to a communications method and apparatus. Background The current wireless communication system, such as an environment internet of things (ambient internet of things, a-IoT) system, or an internet of things (internet of things, ioT) system, can be composed of a reader-writer (such as an access device) and a tag device (such as an a-IoT device), wherein the reader-writer and the tag device perform non-contact data communication, such as the reader-writer can read information in the tag device or write information to be stored in the tag device. The main business comprises inventory, positioning, sensing, command and the like, and typical application scenes comprise logistics, warehouse, industrial manufacturing, identity recognition, environment monitoring and the like. How a reader (e.g., called a first device) communicates with a core network device is a research direction. Disclosure of Invention In a first aspect, a communication method is provided, the execution body of which is a first device, or a module, unit or component (e.g. chip, chip system, circuit, processor, or other, etc.) applied in the first device, e.g. the execution body of which may also be a chip, which may be applied in the first device, comprising sending first information to a core network device, the first information being associated with an amount of data that can be transferred between the first device and a second device, or the first information being associated with an amount of data that can be transferred between the core network device and the first device, receiving second information from the core network device, optionally the second information being determined from the first information. Through the design, the first device feeds back the first information related to the data quantity which can be transmitted between the first device and the second device to the core network device, the core network device determines the second information according to the first information and sends the second information to the first device, the data quantity of the second information can meet the requirement of a wireless channel between the first device and the second device on the data quantity, and the problem that the first device cannot finish the transmission of upper-layer information (such as the second information) is avoided. In one possible design, when the first information is associated with an amount of data that can be transmitted between the first device and the second device, the first information includes at least one of a first amount of data, a first transport block size, TBS, or first channel quality information, wherein the first amount of data is an amount of data that can be transmitted between the first device and the second device, the first TBS is an amount of TBS that can be transmitted between the first device and the second device, and the first channel quality information is quality information of a wireless channel between the first device and the second device. In one possible design, when the first information is related to the data volume capable of being transmitted between the core network device and the first device, the first information includes a second data volume, where the second data volume is the data volume capable of being transmitted between the core network device and the first device. In one possible design, the data amount of the second information is determined from the first information. In one possible design, the method further comprises sending third information to the second device, wherein the third information is determined according to the second information, and the data volume of the third information meets the requirement of a wireless channel between the first device and the second device on the data volume. In one possible design, the second information includes scheduling information determined according to the first information, where the scheduling information is used to schedule the second device to send information to the first device. In one possible design, the method further comprises sending third information to the second device, wherein the third information is determined according to the second information, the third information comprises scheduling information for scheduling the second device to send fourth information, and the fourth information is received from the second device, and the data volume of the fourth information meets the requirement of a wireless channel between the first device and the second device on the data volume. In one possible design, the second information, the third information, or the fourth information includes first indication information, where the first indication information is used to indicate an amount of information including the first indication information. In one possible de