Invention Grant
US07397779B2 Minimizing handoffs and handoff times in wireless local area networks 有权
在无线局域网中最大限度地减少切换和切换时间

Minimizing handoffs and handoff times in wireless local area networks
Abstract:
A method for reducing the number of channels that are scanned during a handoff situation for a wireless endpoint station in a wireless local area network (WLAN), such as an IEEE 802.11 network, by tracking past user movements within the WLAN. A suitable sequence of channels to be scanned is generated so that reduce the number of handoffs are reduced and the average time during a handoff is reduced. To reduce handoffs and handoff latencies, the principle of locality (user movement patterns tend to be repetitive) is used. By tracking the past handoffs, future handoffs are predicted.
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