Wireless Access Point Radio State Control for Coverage Overlap
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Solution Overview
Problem
Wireless networks often experience excessive coverage overlap and co-channel interference due to the deployment of wireless access points optimized for certain frequency bands, leading to inefficient power consumption and coverage issues.
Innovation Solution
A system that determines the on-off states and adjusts the transmit powers of radios in wireless access points to optimize coverage for specific frequency bands, reducing interference and power consumption by selectively turning off radios and adjusting their power levels based on operational characteristics and density.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If access points are deployed to provide wireless coverage across a geographical area, then coverage area is improved, but co-channel interference increases due to excessive coverage overlap
Solution Approach 1:
The patent segments the radio frequency coverage by dividing the geographical area into different coverage zones, each served by specific radios operating on different frequency bands. This segmentation prevents excessive overlap and co-channel interference while maintaining comprehensive coverage.
Solution Approach 2:
The patent applies local quality by configuring different radios within access points to operate on different frequency bands based on local coverage requirements. Each radio's frequency band is selected to optimize coverage for its specific area, reducing overall interference while maintaining comprehensive coverage.
2Reliability
If access points are optimized for certain frequency bands, then coverage for those bands is improved, but excessive coverage overlap occurs in other bands
Solution Approach 1:
The patent implements dynamic frequency band selection where access points and radios can adaptively adjust which frequency bands they operate on based on current network conditions, client device requirements, and coverage needs. This dynamic approach prevents excessive overlap while maintaining reliable coverage.
Solution Approach 2:
The patent changes the operational parameters of radios by selectively enabling or disabling specific frequency bands based on coverage requirements. This parameter adjustment allows the system to optimize coverage quality for targeted bands while avoiding excessive overlap in other bands.
3Reliability
If all radios in access points are kept on to provide comprehensive coverage, then coverage reliability is improved, but power consumption increases
Solution Approach 1:
The patent applies partial action by selectively activating only the necessary radios and frequency bands required to provide adequate coverage, rather than keeping all radios on. This partial activation maintains coverage reliability while significantly reducing power consumption.
Solution Approach 2:
The patent changes the operational state parameter of radios by dynamically switching them between on and off states based on current coverage requirements. This parameter change allows the system to maintain reliability when needed while conserving energy when full coverage is not required.
Data Source
AI summary
Control circuitry may be configured to determine on-off states of radios in wireless access points. The control circuitry may determine a transmit power for each radio in the set of radios, identify a subset of radios from the set for which the one or more determined transmit powers are less than a transmit power threshold, turn off each radio in the subset of radios, and determine updated transmit powers for the set of radios excluding the subset of radios.