研究一种新的干扰施加方式——环形干扰对瑞利衰落窃听信道模型的影响.推导了环形干扰下保密通信的中断概率表达式,并计算了这种干扰下的数值仿真结果.结果表明,这种新的主动施加干扰的方法使保密通信中断概率大大降低,同时提高了保密通信的容量.%A new method-ring-jamming is proposed and its effect on Rayleigh fading wire-tap channel is considered. The outrage probability of this kind of channel is deduced, and numeric results are presented. The results show that ring-jamming can specifically reduce the outrage probability, with the secrecy capacity increased at the same time.
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