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29 天
基于OFDM索引调制的海上通信感知一体化方法
【摘 要】通信感知一体化(ISAC)技术因其同时具备信息传输和目标探测功能,未来将成为海上无人平台协同作业的关键。为解决海洋通信感知一体化系统通信效率低、感知复杂度高等挑战,提出了一种基于正交频分复用索引调制(OFDM-IM)的ISAC方法。该方法通过在发射端选择性激活子载波来提高一体化信号的频谱效率并降低系统能耗,在通信接收端使用对数似然比检测方法,对子载波索引所携带的信息进行解调。在感知接收端 ...
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