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单比特协作压缩频谱感知

DOI: 10.13190/jbupt.201205.85.xuwb, PP. 85-89

Keywords: 认知无线电,协作频谱感知,压缩感知,单比特量化

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Abstract:

提出了一种低开销的协作压缩频谱感知方案,其中每个认知用户利用单比特量化获取压缩采样值的符号信息作为测量值.融合中心收到不同认知用户的符号信息后,利用2种联合感知算法来确定频谱的占用情况.仿真结果表明,新方案具有较好的感知性能,不仅优于独立感知方案,而且在低信噪比时优于多比特量化感知方案.

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