The Impact of CFO on OFDM based Physical-layer Network Coding with QPSK Modulation

Zhenhui Situ
Zhenhui Situ
Peiya Li
Peiya Li

WCNC, pp. 1-6, 2020.

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Abstract:

This paper studies Physical-layer Network Coding (PNC) in a two-way relay channel (TWRC) operated based on OFDM and QPSK modulation but with the presence of carrier frequency offset (CFO). CFO, induced by node motion and/or oscillator mismatch, causes inter-carrier interference (ICI) that impairs received signals in PNC. Our ultimate goal...More

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