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In this paper, we propose generalized selection combining/zero forcing beamforming (GSC/ZFB) scheme to improve the secrecy performance of spectrum-sharing wiretap networks with a full-duplex Bob. Specifically, the full-duplex Bob selects LB strongest antennas to receive the signals from Alice and simultaneously transmits jamming signals with the remaining (NB–LB) antennas based on ZFB algorithm. We...
Aiming to make a quick and right evaluation of the anti-jamming performance to receiver, an evaluation method is put forward, in which the sample entropy (SampEn) values of input and output sequences of receiver are evaluation indexes. The analysis of simulation signals' SampEn validates the rationality of SampEn substituting for Signal to Noise Ratio (SNR), because SampEn does not change with the...
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