基于改进能量检测的认知抗干扰通信系统性能研究

Proceedings of the 2nd International Conference on Communication and Information Processing Pub Date : 2016-11-26 DOI:10.1145/3018009.3018047

Lin Jiayu, L. Haitao

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引用次数: 1

摘要

为了提高同时发射和接收的认知抗干扰通信系统在复杂电磁环境下的抗干扰能力，提出了一种改进的基于能量检测的频谱感知方案。对于采用IED方案的SCAJ接收机，推导了瑞利衰落信道下干扰检测和虚警概率的封闭表达式，分析了SCAJ系统的中断概率。仿真结果表明，该方案能有效抑制自干扰对SCAJ接收机的影响，提高SCAJ系统的中断性能。

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On the performance of cognitive anti-jamming communication system based on improved energy detection

In order to enhance the anti-jamming capability of simultaneous transmit and receive based cognitive anti-jamming (SCAJ) communication system in the complex electromagnetic environment, an improved spectrum sensing scheme based on energy detection (IED) is proposed in this paper. For the SCAJ receiver using the IED scheme, the closed expression of jamming detection and false alarm probability under Rayleigh fading channels is derived, and the outage probability of SCAJ system is analyzed. Simulation results show that the effect impacted by self-interference (SI) at SCAJ receiver can be suppressed and the outage performance of SCAJ system is improved by the proposed IED scheme.

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Proceedings of the 2nd International Conference on Communication and Information Processing

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