Access Point Concurrent Basic Service Sets
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Solution Overview
Problem
Current wireless local area networks (WLANs) face challenges in efficiently managing multiple client stations with different transmission capabilities and standards, leading to potential interference and suboptimal data traffic distribution, especially in scenarios with varying traffic loads and channel conditions.
Innovation Solution
An access point that concurrently services multiple basic service sets operating in different physical channels, utilizing independent transmission/processing paths and a BSS controller for dynamic station assignment and channel coordination, allowing flexible configuration to optimize data traffic and minimize interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single access point services all client stations using a single basic service set, then device complexity is reduced, but network performance and throughput deteriorate due to interference and suboptimal traffic distribution
Solution Approach 1:
The patent divides a single basic service set into multiple basic service sets, each operating on different physical channels. The access point maintains multiple BSS identifiers and services multiple BSSs concurrently, allowing stations to be assigned to different BSSs based on traffic requirements and channel conditions, thereby improving throughput while managing complexity through structured segmentation
Solution Approach 2:
The patent introduces a new dimension of operation by enabling the access point to service multiple basic service sets simultaneously on different physical channels (frequency dimension). This allows the system to handle multiple traffic streams in parallel, transforming a single-channel limitation into a multi-channel capability that improves overall network productivity
2Adaptability or versatility
If multiple basic service sets are serviced concurrently by one access point, then network adaptability and QoS improve, but device complexity increases due to multiple transmission paths and coordination requirements
Solution Approach 1:
The access point is designed with multi-functionality to service multiple basic service sets concurrently. It maintains multiple BSS identifiers, supports multiple physical channels, and can dynamically assign stations to different BSSs based on traffic requirements, making the access point adaptable to diverse network configurations and client requirements
Solution Approach 2:
The patent implements dynamic station assignment where stations can be reassigned between different basic service sets based on changing traffic requirements and channel conditions. The access point dynamically coordinates transmissions across multiple BSSs, adjusting resource allocation in real-time to optimize performance while managing complexity through adaptive control
3Ease of operation
If stations are assigned to a single basic service set, then ease of operation is maintained, but network performance deteriorates due to interference and suboptimal traffic management
Solution Approach 1:
The access point automatically performs station assignment to appropriate basic service sets based on traffic requirements and channel conditions. The system self-manages the complexity of multiple BSSs by implementing automatic assignment logic, eliminating the need for manual configuration while optimizing traffic distribution and minimizing interference, thereby maintaining ease of operation while improving productivity
Data Source
AI summary
A system is disclosed that may include an access point and a first wireless basic service set providing data transfer and a second wireless basic service set providing data transfer. The first and second wireless basic service sets are serviced by the access point concurrently and independent from the respective other wireless basic service set, wherein the access point may include a first MAC entity to process first data and a second MAC entity to process second data and wherein the first basic service set is configured to support a mix of contemporary wireless standards and legacy wireless standards and the second basic service set is configured to support only contemporary wireless standards and to operate at a greater data throughput than the first basic service set.