Access Point Selective Feature Disable for Client Interoperability
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Solution Overview
Problem
In Wireless Local Area Networks (WLANs), interoperability issues can lead to performance degradation of client devices even after successful connection, affecting not only the affected device but also other devices sharing the same AP, necessitating the mitigation of faulty wireless communication features like OFDMA and MU-MIMO to maintain network performance.
Innovation Solution
Access Points (APs) monitor data frames exchanged with client devices to identify performance issues with features like AMPDU, OFDMA, and MU-MIMO, selectively disabling these features for problematic devices while maintaining their use for well-performing devices, and re-enabling them if performance improves.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If wireless communication features like OFDMA and MU-MIMO are enabled for all client devices, then network throughput and efficiency are improved, but interoperability issues cause performance degradation for problematic devices
Solution Approach 1:
The patent applies local quality by differentiating the treatment of wireless communication features based on individual client device characteristics. The access point identifies problematic devices through monitoring and selectively disables specific features (like OFDMA or MU-MIMO) only for those devices while maintaining full feature support for other clients. This localized adaptation resolves interoperability issues without compromising overall network throughput.
Solution Approach 2:
The system dynamically adjusts wireless communication feature availability based on real-time performance monitoring. The access point continuously monitors data frame exchanges, identifies performance degradation patterns, and dynamically enables or disables features on a per-device basis. This dynamic adaptation allows the network to optimize throughput for well-performing devices while preventing interoperability issues from affecting overall productivity.
2Reliability
If wireless communication features are selectively disabled for problematic devices, then interoperability issues are resolved, but network complexity increases due to per-device configuration management
Solution Approach 1:
The access point implements self-service by automatically monitoring data frame exchanges, detecting performance issues, and making configuration decisions without requiring manual intervention. The system autonomously identifies problematic devices through performance monitoring and autonomously adjusts feature availability, significantly reducing the operational complexity of managing per-device configurations while maintaining reliable interoperability.
3Reliability
If broad configuration changes are made to address interoperability issues, then problematic devices are fixed, but well-functioning clients are negatively impacted
Solution Approach 1:
The patent resolves this contradiction by applying local quality through selective feature disabling. Instead of making broad configuration changes that affect all clients, the access point identifies specific problematic devices and applies feature restrictions only to them. This localized approach fixes interoperability issues for affected devices while preserving full functionality and throughput for well-performing clients.
Solution Approach 2:
The system segments the client device population into problematic devices and well-functioning devices based on performance monitoring. By dividing the client base into these distinct segments, the access point can apply different configuration policies to each segment, ensuring that interoperability fixes are applied only where needed without compromising the performance of other clients.
Data Source
AI summary
Examples described herein relate to maintaining a reliable connection between a client device and an access point (AP). Based on the data frames exchanged between the AP and a client device of a plurality of client devices communicatively coupled to the AP after the client device is connected to the AP, the AP may determine whether a client device is experiencing performance issues with respect to a wireless communication feature. In response to determining that the client device is experiencing performance issues with respect to the wireless communication feature, the AP may disable the wireless communication feature for the client device. Further, the AP may continue to exchange data frames with the client device without offering the wireless communication feature. Further, the AP continues to offer the wireless communication feature to another client device of a plurality of client devices not facing the performance issue related to the wireless communication feature.