Dynamic Dedicated WLAN Channel for Video Teleconferencing
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Solution Overview
Problem
Existing wireless local area network (WLAN) systems face challenges in meeting the high bandwidth, low latency, and low jitter requirements for mobile video teleconferencing due to shared access mediums, and dedicated access point solutions are costly and inefficient for sporadic use.
Innovation Solution
Deploying a WLAN infrastructure with channel selection logic that dynamically assigns a reserved channel for high-bandwidth applications, using a special Service Set Identifier (SSID) to advertise and switch to a dedicated channel upon request, while managing neighboring access points to maintain service continuity and compliance with regulatory DFS checks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a set of access points is dedicated to video teleconferencing, then the network performance (bandwidth, latency, jitter) is improved, but the implementation cost increases significantly
Solution Approach 1:
The access point dynamically switches between normal operating mode and dedicated service mode based on service requests. When a video teleconferencing request is received, the access point transitions to dedicated mode on a reserved channel, providing guaranteed network performance. When no dedicated requests are active, the access point returns to normal shared operation, avoiding the need for permanently dedicated infrastructure.
Solution Approach 2:
The system changes operational parameters (channel frequency, service mode) based on demand. A reserved channel is maintained but only activated when video teleconferencing services are requested. The access point modifies its operating characteristics dynamically, transitioning between different service states to balance performance requirements with resource efficiency.
2Reliability
If access points are dedicated to video teleconferencing, then the bandwidth and latency requirements are met, but the solution is excessive for small numbers of units used sparingly
Solution Approach 1:
The access point serves multiple functions: it provides normal shared WLAN service to general clients and dedicated service to video teleconferencing units. The same access point infrastructure handles both regular data traffic and high-performance video conferencing traffic by switching to reserved channels when needed, eliminating the need for separate dedicated access points.
Solution Approach 2:
The access point dynamically adjusts its service mode based on real-time requests. It transitions from general-purpose shared access to dedicated high-performance mode only when video teleconferencing units require service, and returns to normal operation when requests are complete. This dynamic adaptation ensures resources are allocated efficiently based on actual demand.
Data Source
AI summary
In an example embodiment described herein is an apparatus comprising a wireless transceiver and channel selection logic coupled to the wireless transceiver and operable to select an operating frequency for the wireless transceiver. The channel selection logic is configured to reserve a dedicated channel having a special identifier. The channel selection logic is configured to have the wireless transceiver advertise the dedicated service on a normal operating frequency. The channel selection logic is responsive to receiving a request from a wireless device via the wireless transceiver on the normal operating frequency to use the dedicated channel to switch to the dedicated channel and establish communications with the wireless device on the dedicated channel.