基于站的IEEE 802.11b／g无线局域网快速切换方案

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【文件原名】：基于竞争限制的IEEE 802.11最优省电模式
【资料成文时间】：2008年
【语言】：英文
【页数】：6
【作者】：Ni Weiguo Dong Yongqiang Xia Qin
【文件格式】：pdf
【摘要或目录】：Real time applications are sensitive to conditions such as transmission delay and jittering．To cut down on the influence generated by the WLAN handof process，three parts of WLAN
fwireless local area networks)handoff：handof triggering，access point selection and the fast han doff algorithm are investigated．A fast han dof solution totally based on the station is proposed and it is composed of three parts：a han dof triggering mechanism based on dynamic threshold adjustment；an AP selection criteflon based on probe delay；a fast handof algorithm witll differentiated channel selection and a dynamic cache．The station based solution is independent m AP’s collaboration an d avoids any chan ges in the IEEE 8o2．11 protoco1．It is robust an d has very good extensibility．Through tests an d evaluation in a hotspot WLAN，the solution effectively reduces handoff latency and user
experience of real—time applications is enhan ced

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