Method and device for transmitting or receiving feedback information related to multi-link device in wireless LAN system

The method and device for transmitting feedback information between multi-link devices in wireless LAN systems address inefficiencies in existing systems, enhancing communication efficiency and reliability through coordinated feedback and medium access management.

WO2026151275A1PCT designated stage Publication Date: 2026-07-16LG ELECTRONICS INC
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
LG ELECTRONICS INC
Filing Date
2026-01-09
Publication Date
2026-07-16

AI Technical Summary

Technical Problem

Existing wireless LAN systems face challenges in efficiently transmitting and receiving feedback information related to multiple link devices, particularly in environments requiring high throughput, low latency, and ultra-high reliability.

Method used

A method and device for transmitting and receiving feedback information between multi-link devices (MLDs) in a wireless LAN system, involving the exchange of frames containing feedback or medium access recovery information across links, enabling efficient communication and coordination among multiple stations (STAs).

Benefits of technology

Enhances communication efficiency and reliability in wireless LAN systems by facilitating effective feedback and medium access management, supporting high throughput, low latency, and ultra-high reliability.

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Abstract

Disclosed are a method and a device for transmitting or receiving feedback information related to a multi-link device in a wireless LAN system. The method according to an aspect of the present disclosure may comprise the steps in which: a first station (STA) affiliated with a first multi-link device (MLD) receives a first frame from a second STA affiliated with a second MLD; and the first STA transmits, to the second STA, a second frame including information about one or more links of the first MLD. The second frame may be transmitted on a first link. The information about the one or more links may be related to one or both of feedback information, about one or more other STAs affiliated with the first MLD, and medium access recovery information.
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