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用于多跳中继网络的随机接入协议

DOI: 10.13190/jbupt.200805.48.329, PP. 48-52

Keywords: 多跳中继网络,移动通信系统,时分多址,随机接入协议,选择性传输

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Abstract:

提出时分多址方式下由固定中继节点支持的透明模式下的随机接入协议,通过中继节点与用户间的合作重传来解决多个用户同时接入发生碰撞的问题.协议的核心思想是从协议层角度利用网络资源通过选择性重传提供分集,当数据分组发生碰撞时,接收端能够利用已接收的数据信号恢复分组,且不增加调度开销、不增设天线,发生碰撞时的信道资源不再被浪费.仿真结果表明,该协议与以往研究相比,网络的整体性能得到了明显改善.

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