CHANNEL ASSIGNMENTS FOR DISTANCE MEASUREMENT BETWEEN ACCESS POINTS DURING BEACON INTERVALS

By allocating multiple channels to APs during beacon intervals and ensuring all connections meet a threshold percentage, the method improves distance measurement accuracy and AP location resolution in wireless networks, addressing overhead and interruption issues.

DE102022126667B4Active Publication Date: 2026-05-28HEWLETT PACKARD ENTERPRISE DEV LP
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Patent Information

Application Number
DE102022126667
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2022-03-10
Filing Date
2022-10-13
Publication Date
2026-05-28
Estimated Expiration
2042-10-13

AI Technical Summary

Technical Problem

Existing distance measurement techniques between access points (APs) in wireless networks face challenges such as increased transmit time overhead due to sequential measurements, inability to perform measurements during network topology changes, and reduced accuracy when not utilizing multiple available channel allocations, leading to potential communication interruptions.

Method used

A computing device allocates multiple channels to APs based on permutations during beacon intervals, initiating distance measurements across these channels to ensure all available connections meet a threshold percentage, thereby increasing measurement accuracy and resolving AP locations.

Benefits of technology

This approach enhances the accuracy of distance measurements between APs by ensuring all connections utilize multiple available channel allocations, allowing for precise AP location determination even in changing network topologies without communication interruptions.

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Abstract

A procedure (400) comprising the following: Assigning (405), by a computer device (100), a plurality of channels to a plurality of access points (APs) in a network (205) based on a first channel assignment permutation; Initiating (410) by the computer device during first beacon intervals, of first distance measurements between the plurality of APs on the plurality of channels based on the first channel assignment permutation to generate a first distance measurement result; Determine (415) by the computer device whether total distance measurements are performed for at least a threshold percentage of available links between the APs on the plurality of channels, the total distance measurements including the initial distance measurements; based on a determination that the total distance measurements are not performed for the threshold percentage of available links between the APs on the multitude of channels, assigning, by the computer device, the multitude of channels to the multitude of APs based on a second channel assignment permutation; Initiate, by the computer device during second beacon intervals, second distance measurements between the multitude of APs on the multitude of channels based on the second channel assignment permutation, to generate a second distance measurement result; and based on the first distance measurement result and the second distance measurement result, resolution (420), by the computer device, of locations of the multitude of APs.
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Citation Information

Patent Citations

  • Automatic location of access points in a network

    US20210306975A1