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Documents 无线协作网络中存在干扰时的中继选择协议
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  • Author Author: sophie0love
  • Date Created: 10 Nov 2010 2:42 PM Date Created
  • Last Updated Last Updated: 7 Oct 2021 7:35 AM
  • Views 277 views
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无线协作网络中存在干扰时的中继选择协议

针对无线协作网络中共道干扰影响中继选择的问题,提出一种存在干扰的中继选择协议(RSI).该协议以最小化系统中断概率为目标,选择具有最大瞬时端到端信干比的中继节点转发源节点信息,并且在考虑直接传输时,目的节点采用选择合并策略合并直接传输和中继传输,从而充分利用空间分集增益,降低了系统的中断概率.RSI协议不需要中继节点之问交互信息,通过竞争的方式完成数据传输,节省了系统开销,具有较好的实用性.仿真结果表明,在瑞利信道中,当中继节点个数为4、中断概率为10~(-2)时,与最大最小中继选择协议相比,RSI协议能够取得约3~4 dB的信噪比增益.

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image协作网络中存在干扰时的中继选择协议.pdf
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