Enhanced channel access mechanisms for QoS-driven wireless LANs
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United States of America Patent
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Mar 6, 2012
Grant Date -
N/A
app pub date -
Mar 14, 2006
filing date -
Jul 14, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A method and a system are disclosed for providing quality of service (QoS)-driven channel access within a basic service set (BSS) in a wireless network. A contention control (CC) frame is sent from a point coordinator (PC) station of the BSS. The CC frame contains information relating to a number of available centralized contention opportunities (CCOs) for receiving a reservation request (RR) in a centralized contention interval (CCI) following the CC frame. The CC frame also contains information relating to the identification of stations from which an RR was successfully received by the PC station in a preceding CCI. The CC frame is sent by the PC station during a contention-free period (CFP) of a superframe. The superframe includes a contention-free period (CFP) and a contention period (CP). The CC frame is received at a non-PC station in the BSS.
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