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【DOA估计】1.5比特量化新方案,大幅提升DOA估计性能!【附python代码】
大规模MIMO系统中,1比特ADC因成本优势成为主流,但量化误差问题突出。本文提出一种新型1.5比特ADC量化方案,仅在1比特量化器基础上增加一个比较器,通过双对称非零阈值实现三电平量化,信息熵以 为上界且随自定义阈值调整,有效降低1比特量化的损失。
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