| Citation: | Yi LIU, Jiong WU, Pu YANG, Haihan NAN, Hailin ZHANG. High Spectrum Efficiency Full-duplex Two-way Relay Scheme for OFDM[J]. Journal of Electronics & Information Technology, 2019, 41(2): 402-408. doi: 10.11999/JEIT180451
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For the full-duplex two-way relay network, a two-way relay transmission scheme that is robust to the relay residual self-interference signal is proposed. Firstly, the residual self-interference signal of the relay is analyzed, the infinite self-interfering signal is modeled as an equivalent multipath signal, and the cyclic prefix of OFDM is used to combat the equivalent multipath phenomenon to reduce the residual self-interference signal impact. Based on the equivalent multipath scheme, the paper aims at maximizing the SINR of the system, and deduces the optimal amplification factor solving method of the relay in bidirectional full-duplex relay transmission. Finally, the simulation verifies the correctness of the optimal amplification factor of relay, and the effectiveness of the proposed two-way relay transmission scheme is verified through simulation.
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