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CN-122003943-A - Wireless communication method and communication device

CN122003943ACN 122003943 ACN122003943 ACN 122003943ACN-122003943-A

Abstract

A wireless communication method and a communication device are provided, wherein the method comprises the steps that an access point multi-link device (AP) MLD manages a second link by using a first link, and the frequency band corresponding to the first link is lower than the frequency band corresponding to the second link. In the embodiment of the application, the first link can be utilized to manage the second link, which is beneficial to improving the reliability of managing the second link.

Inventors

  • ZHOU LIANG
  • LU LIUMING
  • YAN LI
  • ZHANG JUN
  • LUO CHAOMING
  • HUANG WEIDONG
  • XIANG YUN
  • WANG JUNKAI
  • YIN BAOLIN

Assignees

  • OPPO广东移动通信有限公司

Dates

Publication Date
20260508
Application Date
20230922

Claims (20)

  1. A method of wireless communication, comprising: and the access point multi-link device (AP) MLD manages the second link by using the first link, wherein the frequency band corresponding to the first link is lower than the frequency band corresponding to the second link.
  2. The method of claim 1, wherein the AP MLD manages the second link with the first link, comprising: the AP MLD manages the opening and/or closing of the second link using the first link.
  3. The method of claim 2, wherein the AP MLD manages opening and/or closing of the second link with the first link, comprising: The AP MLD receives a first frame sent by a first non-access point multi-link device non-AP MLD on the first link, wherein the first frame is used for requesting to open or close the second link.
  4. A method according to claim 3, wherein the first frame contains first indication information comprising one or more of: indication information for opening or closing the second link; identification information of the second link; indication information of the access mode of the second link; and indicating information of whether to perform beam training on the second link.
  5. The method according to claim 3 or 4, characterized in that the method further comprises: The AP MLD sends a response frame of the first frame to the first non-AP MLD on the first link, where the response frame of the first frame is used to indicate whether to agree to open or close the second link.
  6. The method of claim 5, wherein the response frame of the first frame contains second indication information indicating one or more of: Whether to agree to open or close the second link; whether or not to agree to perform beam training on the second link; identification information of the second link; and the access mode of the second link.
  7. The method according to any one of claims 3 to 6, wherein, The first frame and the response frame of the first frame are both management frames, or The first frame is a data frame, and the response frame of the first frame is a control frame, or The first frame and the response frame of the first frame are both control frames.
  8. The method of claim 7, wherein the step of determining the position of the probe is performed, The first frame is a link request frame, and the response frame of the first frame is a link response frame, or The first frame is a data frame, and the response frame of the first frame is an acknowledgement frame, or The first frame is a power-saving-polling PS-POLL frame, and the response frame of the first frame is an acknowledgement frame.
  9. The method of claim 2, wherein the AP MLD manages opening and/or closing of the second link with the first link, comprising: And the AP MLD transmits a second frame on the first link, wherein the second frame is used for managing the opening and/or closing of the second link corresponding to one or more non-AP MLDs.
  10. The method of claim 9, wherein the second frame comprises a first field comprising one or more of the following information: Indication information of opening or closing of a second link corresponding to each non-AP MLD of the one or more non-AP MLDs; identification information of a second link corresponding to each non-AP MLD of the one or more non-AP MLDs; identification information of the one or more non-AP MLDs; Indication information of an access mode of a second link corresponding to each non-AP MLD in the one or more non-AP MLDs; And indicating information of whether to perform beam training on the second link corresponding to each non-AP MLD in the one or more non-AP MLDs.
  11. The method according to claim 9 or 10, characterized in that the method further comprises: The AP MLD receives a response frame of the second frame sent by the first non-AP MLD on the first link, wherein the response frame of the second frame is used for indicating whether the first non-AP MLD agrees to open or close a second link corresponding to the first non-AP MLD, and the first non-AP MLD is any non-AP MLD in the one or more non-AP MLDs.
  12. The method of claim 11, wherein the response frame of the second frame includes third indication information, the third indication information being used to indicate one or more of: whether to agree to turn on or off the second link corresponding to the first non-AP MLD; Whether the second link corresponding to the first non-AP MLD is agreed to carry out beam training or not; identification information of a second link corresponding to the first non-AP MLD; and the access mode of the second link corresponding to the first non-AP MLD.
  13. The method according to any one of claims 9 to 12, wherein, The second frame and the response frame of the second frame are both management frames, or The second frame is a data frame, and the response frame of the second frame is a control frame.
  14. The method of claim 13, wherein the step of determining the position of the probe is performed, The second frame is a link request frame, and the response frame of the second frame is a link response frame, or The second frame is a data frame, and the response frame of the second frame is a confirmation frame, or The second frame is a beacon frame.
  15. The method of any of claims 2-14, wherein the opening of the second link comprises one or more of: changing the state of the second link from a dormant state in the available state to an active state in the available state; Changing the state of the second link from an unavailable state to an available state; changing the state of the second link from an unavailable state to a dormant state in an available state; Changing the state of the second link from an unavailable state to an active state in an available state; the closing of the second link includes one or more of: changing the state of the second link from an active state in the available state to a dormant state in the available state; Changing the state of the second link from an available state to an unavailable state; Changing the state of the second link from an active state in an available state to an unavailable state; and changing the state of the second link from a dormant state in an available state to an unavailable state.
  16. The method according to any of claims 2-15, wherein whether to beam train the second link is determined based on a link quality of the second link.
  17. The method according to any of claims 2-16, wherein if there is a mapping relationship between the second link and at least one traffic flow, there is also a mapping relationship between the at least one traffic flow and one or more of the first links.
  18. The method of any of claims 1-17, wherein the AP MLD manages the second link with the first link, comprising: The AP MLD manages channel access of the second link using the first link.
  19. The method of claim 18, wherein the AP MLD managing channel access for the second link with the first link comprises: And the AP MLD determines whether the channel of the frequency band corresponding to the second link is idle or not in the frequency band corresponding to the first link.
  20. The method of claim 19, wherein the AP MLD determining whether a channel of the frequency band corresponding to the second link is idle at the frequency band corresponding to the first link comprises: and if the AP MLD successfully contends the channel on the frequency band corresponding to the first link and the frequency band corresponding to the second link is idle in a period of time before the frequency band corresponding to the first link successfully contends the channel, the AP MLD determines that the channel of the frequency band corresponding to the second link is idle.

Description

Wireless communication method and communication device Technical Field The present application relates to the field of communication technology, and more particularly, to a wireless communication method and a communication apparatus. Background At present, the multi-link device can adopt parallel communication of a plurality of links, so that the transmission speed is greatly improved. However, for a multi-link device, communicating multiple links together tends to increase power consumption. Therefore, in order to save power consumption, the multi-link device may temporarily close some links when the traffic volume is low, so as to achieve the purpose of saving energy. And when the traffic volume is temporarily increased, all links can be opened so as to ensure that the traffic can be transmitted in time, thus being beneficial to balancing the energy consumption and the transmission capacity of the multi-link equipment. However, how to manage multiple links is a problem to be solved. Disclosure of Invention The application provides a wireless communication method and a communication device. Various aspects of the application are described below. In a first aspect, a wireless communication method is provided, including an access point multi-link device (access point multi-LINK DEVICE, AP MLD) managing a second link with a first link, where a frequency band corresponding to the first link is lower than a frequency band corresponding to the second link. In a second aspect, a wireless communication method is provided, including a first non-access point multi-link device (non-AP multi-LINK DEVICE, non-AP MLD) managing a second link with a first link, wherein a frequency band corresponding to the first link is lower than a frequency band corresponding to the second link. In a third aspect, a communication device is provided, where the communication device is an access point multi-link device AP MLD, and the processing unit is configured to manage a second link by using a first link, where a frequency band corresponding to the first link is lower than a frequency band corresponding to the second link. In a fourth aspect, a communication device is provided, where the communication device is a first non-access point multi-link device non-AP MLD, and the processing unit is configured to manage a second link by using a first link, where a frequency band corresponding to the first link is lower than a frequency band corresponding to the second link. In a fifth aspect, there is provided a communications device comprising a processor and a memory for storing one or more computer programs, the processor for invoking the computer programs in the memory to cause the communications device to perform part or all of the steps of the method of any of the above aspects. In a sixth aspect, an embodiment of the present application provides a communication system, including the communication device described above. In another possible design, the communication system may further include other devices that interact with the communication apparatus in the solution provided by the embodiments of the present application. In a seventh aspect, embodiments of the present application provide a computer-readable storage medium storing a computer program that causes a communication apparatus to perform some or all of the steps of the methods of the above aspects. In an eighth aspect, embodiments of the present application provide a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program operable to cause a communication apparatus to perform some or all of the steps of the methods of the above aspects. In some implementations, the computer program product can be a software installation package. In a ninth aspect, embodiments of the present application provide a chip comprising a memory and a processor, the processor being operable to invoke and run a computer program from the memory to implement some or all of the steps described in the methods of the above aspects. In the embodiment of the application, the first link can be utilized to manage the second link, which is beneficial to improving the reliability of managing the second link. Drawings Fig. 1 is a schematic diagram of a system architecture of a wireless communication system to which an embodiment of the present application is applied. Fig. 2 is a schematic flow chart of a wireless communication method of an embodiment of the application. Fig. 3 is a schematic diagram of a frame structure of a first frame or a response frame of the first frame in an embodiment of the present application. Fig. 4 is a schematic diagram of a frame structure of a data frame to which a first frame is applied in an embodiment of the present application. Fig. 5 is a schematic diagram of a frame structure of a power save-POLL (PS-POLL) frame to which a first frame is applied in an embodiment of the present applicat