Hybrid coordination function (HCF) access through tired contention and overlapped wireless cell mitigation
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United States of America Patent
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Aug 16, 2016
Grant Date -
May 26, 2016
app pub date -
Nov 2, 2015
filing date -
Jul 5, 2001
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Abstract
A method and system reduce interference between overlapping first and second wireless LAN cells in a medium. Each cell includes a respective plurality of member stations and there is at least one overlapped station occupying both cells. An inter-cell contention-free period value is assigned to a first access point station in the first cell, associated with an accessing order in the medium for member stations in the first and second cells. The access point transmits a beacon packet containing the inter-cell contention-free period value, which is intercepted at the overlapped station. The overlapped station forwards the inter-cell contention-free period value to member stations in the second cell. A second access point in the second cell can then delay transmissions by member stations in the second cell until after the inter-cell contention-free period expires.
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