Multi-Link WLAN Association and Load Balancing
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Solution Overview
Problem
Existing wireless local area networks face inefficiencies in spectrum utilization, particularly in 802.11 systems, due to the emergence of new use cases that require more efficient wireless communication.
Innovation Solution
Implementing a multi-link wireless local area network (WLAN) system with multi-link association, channel feedback protocols, load balancing, and acknowledgement procedures to enhance communication efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If traditional single-link WLAN systems are used, then device complexity is low, but spectrum utilization efficiency is insufficient
Solution Approach 1:
The patent segments the WLAN communication into multiple independent links operating on different frequencies or channels. Each link can be independently managed and optimized, allowing the system to utilize multiple spectrum segments simultaneously, thereby improving overall spectrum utilization efficiency while maintaining manageable complexity through modular link management
Solution Approach 2:
The multi-link WLAN system enables access points and stations to simultaneously handle multiple communication links with different characteristics (frequency, channel conditions, traffic types). This multi-functionality allows a single system to serve diverse communication needs across multiple spectrum segments, improving overall spectral efficiency without requiring separate dedicated systems for each use case
2Productivity
If multi-link association is implemented, then communication efficiency is improved, but protocol complexity increases
Solution Approach 1:
The patent implements preliminary association procedures where access points and stations establish multi-link associations in advance before actual data transmission. During this preliminary phase, capabilities, preferences, and operational parameters are negotiated and configured, allowing subsequent data transmission to proceed efficiently across pre-established links without real-time negotiation overhead
Solution Approach 2:
The system incorporates feedback mechanisms where channel conditions, link quality, and traffic patterns are continuously monitored and reported. This feedback enables dynamic adjustment of traffic distribution across links, optimization of transmission parameters, and adaptive load balancing, thereby maintaining high communication efficiency despite the increased protocol complexity through intelligent control
3Productivity
If load balancing across multiple links is implemented, then overall network performance is optimized, but processing overhead increases
Solution Approach 1:
The patent implements selective load balancing where not all links require equal management attention. Instead of continuously optimizing all links simultaneously, the system applies load balancing strategies only to links that benefit most based on current conditions (traffic load, channel quality, QoS requirements). This partial action approach optimizes network performance while avoiding unnecessary processing overhead on already-optimal links
Data Source
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AI summary
As disclosed herein, there may be systems, methods, and devices for enabling multi-link wireless local area networks (WLAN). One or more non-AP station (STA) multi-link devices (MLDs) and one or more Access Point (AP) MLD may establish a multi-link association between each other, thereby establishing a multi-link connection that enables improved and more efficient wireless communication.