A Hybrid Duplex Transmission Method for Improving Physical Layer Security in Cognitive Relay Networks
A physical layer security, cognitive relay technology, applied in the field of hybrid duplex transmission, can solve problems such as self-interference can not be completely eliminated, transmission capacity cannot reach the theoretical maximum value, etc. The effect of the scope of application
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[0029] A hybrid duplex transmission method for improving physical layer security in cognitive relay networks.
[0030] A hybrid duplex transmission method for improving physical layer security in a cognitive relay network, the method is used in a cognitive relay cooperative network, the network includes a pair of unauthorized user transmitter ST and receiver SR, a cooperative relay R and an illegal wiretapping terminal E. All nodes are full-duplex. The cooperative relay R is equipped with a transmitting antenna and a receiving antenna, and other user nodes are equipped with only one antenna. Users share frequency band resources. Cooperative relay not only improves the effectiveness of information transmission, but also plays the role of confusing illegal users to steal information by adding noise, so as to improve the security of information transmission.
[0031] The wireless channels involved in the present invention are quasi-static Rayleigh block fading and additive Gauss...
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