Virtual BSS Coordination for Multi-AP WLAN Throughput and Reliability
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Solution Overview
Problem
Existing wireless local area network (WLAN) technologies face challenges in enhancing reliability, reducing latency, increasing throughput, and managing device-level power consumption, particularly in multi-AP scenarios where interference and inefficient spectrum use are prevalent.
Innovation Solution
Implementing multi-AP coordination schemes such as joint transmission, coordinated orthogonal frequency division multiple access (OFDMA), coordinated spatial reuse, and coordinated beamforming, along with a virtual BSS (V-BSS) concept for parameter collection and management, to optimize network performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multi-AP coordination schemes are implemented, then reliability and throughput are improved, but device complexity increases
Solution Approach 1:
The patent introduces a virtual BSS manager as an intermediary component that centralizes the coordination of multiple APs. This manager collects parameters from all APs, determines optimal coordination schemes, and manages the overall network operation, thereby reducing the complexity burden on individual APs and enabling reliable multi-AP coordination without requiring each AP to independently manage the complexity of coordinating with others.
Solution Approach 2:
The system segments the network into a virtual BSS structure where the virtual BSS manager operates independently from individual APs. This segmentation allows the coordination logic to be separated from the physical AP infrastructure, enabling centralized management of complexity while maintaining the distributed nature of the wireless network.
2Productivity
If coordinated multi-AP transmissions are used, then area throughput is maximized, but parameter collection and management complexity increases
Solution Approach 1:
The virtual BSS manager serves as an intermediary that automatically collects parameters from all APs and determines optimal coordination schemes without requiring manual configuration. This intermediary approach enables the system to maximize area throughput through intelligent parameter management while shielding operators from the complexity of collecting and managing numerous coordination parameters across multiple APs.
Solution Approach 2:
The system implements self-service parameter collection where APs automatically provide their own parameters to the virtual BSS manager, and the manager autonomously determines the optimal coordination scheme. This eliminates the need for manual parameter configuration and reduces operational complexity while maintaining optimized throughput performance.
3Productivity
If virtual BSS concept is implemented for parameter collection, then multi-AP operations are optimized, but network entity complexity increases
Solution Approach 1:
The virtual BSS manager is designed as a universal component that can be deployed in various multi-AP network configurations. It performs multiple functions including parameter collection, coordination scheme determination, and network optimization, thereby improving network operation efficiency across different scenarios without requiring separate specialized components for each function.
Data Source
AI summary
A system and a method are disclosed for controlling a coordinating network entity in a virtual network including a plurality of access points (APs) and at least one wireless station (STA), including receiving one or more parameters from at least one AP included in the plurality of APs; identifying a first multi-AP coordination scheme based on the one or more parameters; and assigning the first multi-AP coordination scheme to a first dynamic group of network entities included in the virtual network, wherein the first dynamic group of network entities performs wireless communication based on the first multi-AP coordination scheme.