Invention Grant
US08238378B2 Emergency call handling in contention-based wireless local area networks 有权
基于争用的无线局域网中的紧急呼叫处理

Emergency call handling in contention-based wireless local area networks
Abstract:
An apparatus and methods for handling emergency message frames (e.g., “911” call frames, etc.) sent by a station in a wireless local-area network are disclosed. The illustrative embodiment increases the probability with which an emergency message frame is accorded the singularly highest quality-of-service by modifying one or more IEEE 802.11e parameters (e.g., back-off contention window length, Arbitration Inter-Frame Space [AIFS], etc.) for a station or access point that transmits an emergency message frame.
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