Multi-Hop Transmission Performance of Cognitive Temporary Bypassing for Wireless Ad Hoc Networks

被引：0
|
作者：
Nagao, Kenichi [1 ]
Kadowaki, Yusuke [1 ]
Yamao, Yasushi [1 ]
机构：
[1] Univ Electrocommun, Adv Wireless Commun Res Ctr, Chofu, Tokyo 182, Japan
来源：
2009 6TH IEEE CONSUMER COMMUNICATIONS AND NETWORKING CONFERENCE, VOLS 1 AND 2 | 2009年
关键词：
ad hoc networks; multi-hop networks; packet success probability; bypass;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A In wireless ad hoc networks, the link SNR varies due to fading and this causes a temporary link error and blocks the multi-hop packet transmission. The cognitive temporary bypassing method was proposed to improve the transmission quality. In this paper, the proposed protocol is improved by adding acknowledgement and anti-collision functions necessary to achieve reliable multi-hop transmission. Packet success probability with the improved method has been analyzed for Rayleigh faded wireless links as functions of hop count. Simulation results using a modified QualNet simulator validate that packet success probability is remarkably improved with the method for maximum Doppler frequencies up to 30Hz.
引用
收藏
页码：706 / 710
页数：5
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