Novel MIMO-DCSK Secure Communication Systems
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摘要: MIMO技术能够抑制信道噪声和多径衰落,无需增加系统带宽和发送功率,而改进型差分混沌键控(DCSK)拥有更好的保密性和信道利用率,结合两者的优势设计出一种新的MIMO-DCSK混沌保密通信系统。对新系统着重在高斯白噪声信道下的误码性能进行了深入研究。仿真结果表明:新型MIMO-DCSK保密通信系统的综合性能比传统DCSK通信系统更为优越,与理论分析的结果一致。
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