An adaptive selective repeat ARQ scheme under Rayleigh fading channel

被引：0
|
作者：
Yang, Ying [1 ]
Wu, Wei-Ling [1 ]
机构：
[1] School of Information Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
来源：
Beijing Youdian Daxue Xuebao/Journal of Beijing University of Posts and Telecommunications | 2007年 / 30卷 / 03期
关键词：
Fading channels - Markov processes - Signal to noise ratio;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
An adaptive selective automatic repeat request scheme under Rayleigh fading channel is proposed, which adjusts the transmission modes such as packet sizes according to the channel state variation. Multi-state Markov system model is generated after the channel variation state and the transmission mode are united. Closed form expressions of throughput efficiency of ideal and non-ideal adaptive selective repeat automatic repeat request (ARQ) are derived. Furthermore, system parameters of non-ideal adaptive selective repeat ARQ are optimized based on ideal adaptive selective ARQ state transition graph. Simulation results verify that the throughput efficiency of non-ideal adaptive selective ARQ with optimum system parameters is nearly equal to that of ideal adaptive selective ARQ and better than that of non-ideal adaptive selective ARQ without optimum system parameters in a wide range of signal to noise ratio.
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页码：36 / 39
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