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Full-Duplex Delay Diversity Relay Transmission Using Bit-Interleaved Coded OFDM
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DOI：10.1109/TCOMM.2017.2704109.png)
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Abstract
En 中文
In this paper, a delay diversity orthogonal frequency-division multiplexing (DD OFDM) transmission scheme in amplify-and-forward (AF) full-duplex relay systems is investigated. One direct source-to-destination link, one relay forwarding link, and residual self-interference are considered in the system. The necessary cyclic prefix length is investigated and a suitable AF relay protocol in the full-duplex relay OFDM system is proposed. This paper demonstrates that the AF relay link and the direct source-to-destination link can be combined to provide spatial diversity. The key is that the DD OFDM scheme is used to transform the spatial diversity into increased channel frequency diversity that is further exploited by using the bit-interleaved coding. The bit error rate performance of the proposed system is verified by simulation results.
Keywords:
Full-duplex
AF relay
delay diversity (DD)
orthogonal frequency-division multiplexing (OFDM)
bit-interleaved coding
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