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基于信道瞬时状态信息的中继协议性能分析

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摘要 在无线互联网络中,信道的状态是瞬时变化,而信道的这种特性使得协作节点的单一中继协议存在缺陷,严重影响协作通信的效果。针对该问题,文章将讨论一种基于信道瞬时状态信息的中继协议(Relay protocol Based on Channel instantaneous state Information,RBCI),充分考虑了源节点到协作节点的信道瞬时状态信息,并联合考虑协作所产生的MAC层的开销,在确定协作节点之前,协作节点考虑不同的转发方式并进行动态调整,从而使得所选择的协作节点能够有效的改善系统的性能(如丢包率,吞吐量等)。经过仿真分析,并与现有的DAF协议和AAF协议比较,RBCI能有效地降低系统中的丢包率,以及提高系统中的平均吞吐量。
作者 李奇 张正华
出处 《广东通信技术》 2013年第11期52-55,共4页 Guangdong Communication Technology
基金 重庆市教委项目(KJ110524)
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参考文献9

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