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认知无线电网络基于空分复用的收发联合频谱共享

DOI: 10.13190/jbupt.201106.28.lizh, PP. 28-32

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Abstract:

针对多天线认知无线电网络提出一种基于空分复用的收发联合频谱共享方法,该方法综合利用认知通信与系统间干扰的空间相关特性,在无空闲频谱资源可用时合理选择授权系统及其频道,并以空分复用的方式实现频谱共享。理论分析与仿真结果表明,相比于仅在认知基站端进行选择以及穷举搜索,所提方法能够获得接近最佳的系统吞吐率特性,并且具有低的复杂度。

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