WO-2026092381-A1 - WIRELESS COMMUNICATION METHOD AND APPARATUS, AND STATION AND ACCESS POINT

WO2026092381A1WO 2026092381 A1WO2026092381 A1WO 2026092381A1WO-2026092381-A1

Abstract

Provided in the present application are a wireless communication method and apparatus, and a station and an access point. The method comprises: a station receiving a trigger frame sent by an access point, wherein the trigger frame comprises a distributed bandwidth (DBW) indication, the DBW indication being used for indicating a DBW used for transmitting a physical-layer protocol data unit (PPDU) on the basis of a distributed tone resource unit (DRU), and the DBW indication being indicated by a target information field in the trigger frame; sending the PPDU on the basis of the trigger frame, wherein the target information field comprises a common information field and a special user information field, or the target information field comprises a common information field and a user information field, or the target information field comprises the special user information field and the user information field, or the target information field comprises the user information field.

Inventors

ZHONG, Ke

Assignees

锐捷网络股份有限公司

Dates

Publication Date: 20260507
Application Date: 20251027
Priority Date: 20241030

Claims (18)

A wireless communication method, comprising: The site receives a trigger frame sent by the access point, wherein the trigger frame includes a distributed bandwidth (DBW) indication, wherein the DBW indication is used to indicate the DBW used for transmitting physical layer protocol data units (PPDUs) based on distributed tone resource units (DRUs), and the DBW indication is indicated by the target information field in the trigger frame. Send a PPDU according to the trigger frame; The target information domain includes the user information domain.
According to the method of claim 1, the DBW indication is indicated by at least one bit in the target information field, wherein the at least one bit carries the DBW indication by redefining existing bits in the target information field.
The method according to any one of claims 1-2, wherein the trigger frame further includes a Resource Unit (RU) type indication, the RU type indication being used to indicate that the RU type transmitting the PPDU is a Continuous Resource Unit or a DRU, wherein the RU type indication is indicated by at least one bit of a common information field.
According to the method of claim 3, wherein, when the bandwidth of the PPDU is 20MHz, the RU type indication is indicated by 1 bit in the common information field; When the bandwidth of the PPDU is 40MHz, the RU type indication is indicated by 1 bit in the common information field; When the bandwidth of the PPDU is 80MHz, the RU type indication is indicated by 1 bit in the common information field; When the bandwidth of the PPDU is 80MHz+80MHz, the RU type indication is indicated by 2 bits in the common information field, wherein each of the 2 bits corresponds to one of the two 80MHz bands, and each bit is used to indicate the RU type used for transmitting the PPDU on the corresponding 80MHz bandwidth; and, When the bandwidth of the PPDU is 80MHz+80MHz+80MHz+80MHz, the RU type indication is indicated by 4 bits in the common information field, wherein each of the 4 bits corresponds to one of the four 80MHz bands, and each bit is used to indicate the RU type used to transmit the PPDU on the corresponding 80MHz bandwidth.
According to the method of claim 3 or 4, the at least one bit carries the RU type indication by redefining an existing bit in the public information field.
The method according to any one of claims 3-5, wherein setting at least one bit to 0 indicates using DRU with the corresponding bandwidth, and setting it to 1 indicates using RRU with the corresponding bandwidth.
The method according to any one of claims 1-6, wherein the trigger frame further includes a DRU allocation indication, the DRU allocation indication being used to indicate DRU allocation information used for DRU-based PPDU transmission; wherein the DRU allocation indication is indicated by at least one of the following fields of the trigger frame: Public information domain; Special user information fields; and, User information field.
The method of claim 7, wherein the DRU allocation indication is indicated by at least one of the following fields of the trigger frame: Resource unit allocation subdomain in the user information domain; PS160 subdomain in the user information domain; The uplink bandwidth subdomain in the public information domain; and, Uplink bandwidth extension subdomain in the special user information domain.
According to the method of claim 7 or 8, the DBW and PPDU bandwidth used for DRU-based PPDU transmission are jointly indicated by the reserved values of the UL BW subdomain in the public information domain and the UL Bandwidth Extension subdomain in the special user information domain.
The method according to any one of claims 1-9, wherein the DRU allocation information includes: The size of the DRU used to transmit the PPDU; The DRU location used to transmit the PPDU; and, DRU index used for transmitting the PPDU.
According to any one of claims 1-11, when transmitting PPDU based on DRU, the PPDU bandwidth is continuous and indivisible when the PPDU bandwidth is less than or equal to 80MHz.
A wireless communication method, comprising: The access point sends a trigger frame to the site, wherein the trigger frame includes a distributed bandwidth (DBW) indication, wherein the DBW indication is used to indicate the DBW used for transmitting physical layer protocol data units (PPDUs) based on distributed tone resource units (DRUs), and the DBW indication is indicated by the target information field in the trigger frame. Receive PPDU according to the trigger frame; in, The target information domain includes the user information domain.
A wireless communication device, comprising: A receiving module is used to receive a trigger frame sent by an access point, wherein the trigger frame includes a distributed bandwidth (DBW) indication, wherein the DBW indication is used to indicate the DBW used for transmitting physical layer protocol data units (PPDUs) based on distributed tone resource units (DRUs), and the DBW indication is indicated by the target information field in the trigger frame. The sending module is used to receive PPDU according to the trigger frame; in, The target information domain includes the user information domain.
A wireless communication device, comprising: A sending module is used to send a trigger frame to a station, wherein the trigger frame includes a distributed bandwidth (DBW) indication, wherein the DBW indication is used to indicate the DBW used for transmitting physical layer protocol data units (PPDUs) based on distributed tone resource units (DRUs), and the DBW indication is indicated by the target information field in the trigger frame. The receiving module is used to receive PPDU according to the trigger frame; in, The target information domain includes the user information domain.
A site includes: a processor and a memory for storing a computer program, the processor for calling and running the computer program stored in the memory to perform the method as described in any one of claims 1 to 11.
An access point includes: a processor and a memory for storing computer programs, the processor for calling and running the computer programs stored in the memory to perform the method as described in claim 12.
A chip, comprising: a processor for calling and running a computer program from a memory, causing a device having the chip mounted to perform the method as claimed in any one of claims 1 to 11, or the method as claimed in claim 12.
A readable storage medium for storing a computer program that causes a computer to perform the method as claimed in any one of claims 1 to 11, or the method as claimed in claim 12.

Description

Wireless communication methods, devices, sites and access points Cross-reference of related applications This application claims priority to Chinese Patent Application No. 202411535067.5, filed on October 30, 2024, entitled "Wireless Communication Method, Apparatus, Site and Access Point", the entire contents of which are incorporated herein by reference. Technical Field This application relates to the field of communications, and more specifically, to a wireless communication method, apparatus, site, and access point. Background Technology In related technologies, stations can transmit Physical Layer Protocol Data Units (PPDUs) based on Continuous Resource Units (or Regular Resource Units, RRUs). In some scenarios, to improve PPDU coverage, PPDUs can be transmitted using Distributed Tone Resource Units (DRUs). Summary of the Invention This application provides a wireless communication method, apparatus, site, and access point, which helps to reduce the configuration overhead of the access point. Firstly, a wireless communication method is provided, comprising: The site receives a trigger frame sent by the access point, wherein the trigger frame includes a distributed bandwidth (DBW) indication, wherein the DBW indication is used to indicate the DBW used for transmitting physical layer protocol data units (PPDUs) based on distributed tone resource units (DRUs), and the DBW indication is indicated by the target information field in the trigger frame. Send a PPDU according to the trigger frame; The target information domain includes a public information domain and a special user information domain; or The target information domain includes a public information domain and a user information domain; or The target information domain includes a special user information domain and a user information domain; or The target information domain includes the user information domain. Secondly, a wireless communication method is provided, including: The access point sends a trigger frame to the site, wherein the trigger frame includes a distributed bandwidth (DBW) indication, wherein the DBW indication is used to indicate the DBW used for transmitting physical layer protocol data units (PPDUs) based on distributed tone resource units (DRUs), and the DBW indication is indicated by the target information field in the trigger frame. Receive PPDU according to the trigger frame; The target information domain includes a public information domain and a special user information domain; or The target information domain includes a public information domain and a user information domain; or The target information domain includes a special user information domain and a user information domain; or The target information domain includes the user information domain. In some implementations, the DBW indication is indicated by at least one bit in the target information field, wherein the at least one bit is set in at least one of the following bits in the target information field: reserved bit, ignored bit, and added bit. In some implementations, the target information domain includes a public information domain and a special user information domain, and the DBW indication is indicated through the uplink bandwidth subdomain in the public information domain and the uplink bandwidth extension domain in the special user information domain. In some implementations, the uplink bandwidth subdomain in the public information domain and the uplink bandwidth extension domain in the special user information domain are used to jointly indicate the DBW used for transmitting PPDU based on DRU and the bandwidth of the PPDU. In some implementations, the trigger frame further includes a Resource Unit (RU) type indication, which indicates that the RU type transmitting the PPDU is a contiguous resource unit or a DRU, wherein the RU type indication is indicated by at least one bit in at least one of the following fields of the trigger frame: Public information domain; Special user information field; User information field. In some implementations, when the bandwidth of the PPDU is 20MHz, the RU type indication is indicated through the public information field, the special user information field, or 1 bit in the user information field; or When the bandwidth of the PPDU is 40MHz, the RU type indication is indicated by the public information field, the special user information field, or 1 bit in the user information field; or When the bandwidth of the PPDU is 80MHz, the RU type indication is indicated by the public information field, the special user information field, or 1 bit in the user information field; or When the bandwidth of the PPDU is 160MHz, the RU type indication is indicated by the public information field, the special user information field, or 1 bit in the user information field; or When the bandwidth of the PPDU is 80MHz+80MHz, the RU type indication is indicated by 2 bits in the at least one field, wherein each of the 2 bits corresponds to one