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With the improvement of WLAN data rate, low efficiency of energy becomes more prominent. Aiming at the high rate WLAN system, a rate control algorithm which guarantees the bit error rate requirement of traffic is presented, and a across layer analysis model of energy efficiency and throughput under rate control is derived. According to the performance analysis results, we determine the way to optimize...
This paper presents a bandwidth occupied time proportion fair MAC algorithm (BOTP-FMAC) for WLAN and wireless mesh network (WMN). It aims to address the unfairness problem in enhanced distributed channel access (EDCA) mechanism, in which higher-priority streaming traffic flows intend to severely deprive the access opportunity of lower-priority traffic flows due to the capture effect, especially when...
This paper proposed a new multi-metric dynamic priority MAC algorithm for 802.11e WLAN in order to fairly distribute the bandwidth among different kinds of traffic. Our main contribution is to dynamically adjust the priority of each queue and assign corresponding access parameters according to the value of priority function during update period. The waiting time of a packet in the queue and the ratio...
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