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基于超宽带的自适应MAC协议
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2009-07-07
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超宽带技术有能力支持更高的数据传输速率。针对超宽带系统特点，提出了一种根据收端信噪比和信干比自适应调整发送速率和分组长度的媒质接入控制（MAC）协议，并对该协议性能进行了仿真。仿真结果显示，相对于使用固定速率和分组长度的MAC协议，该协议可使系统吞吐量得到较大提高。
关键词：超宽带通信；吞吐量；MAC；误码率；自适应
Abstract: UWB technology is able to support high data rate. An adaptive MAC protocol for the UWB systems is presented. The protocol can adapt the rate and the length of the frame to the level of SIR and SNR experienced at the destination. Simulation result shows that, compared with MAC in which the rate and the length of the frame is fixuped, a good improvement will be obtained in use of Adaptive-MAC.
key words: Ultra-Wideband communication; Throughput;MAC;BER;Adaptive
关键词：超宽带通信；吞吐量；MAC；误码率；自适应
Abstract: UWB technology is able to support high data rate. An adaptive MAC protocol for the UWB systems is presented. The protocol can adapt the rate and the length of the frame to the level of SIR and SNR experienced at the destination. Simulation result shows that, compared with MAC in which the rate and the length of the frame is fixuped, a good improvement will be obtained in use of Adaptive-MAC.
key words: Ultra-Wideband communication; Throughput;MAC;BER;Adaptive
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