WLAN roaming based on location

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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Details

C455S437000, C455S438000, C455S456500, C455S456600, C455S432100, C455S435100, C455S041200, C370S328000, C370S338000, C701S207000

Reexamination Certificate

active

07127258

ABSTRACT:
A wireless data communications system has mobile units which become associated with access points. Association between a mobile unit and an access point is changed as mobile units move within an area having a plurality of access points. Selection of an access point for association with a mobile unit is made according to selection criteria including a plurality of selection parameters. The system includes arrangements for determining location of a mobile unit within the area. The selection parameters include location of the mobile unit or direction of movement of the mobile unit when there are a plurality of access points available for association with the mobile unit.

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