Serially Concatenated CPM in Two-Way Relay Channels with Physical-Layer Network Coding

Nan SHA  Lihua CHEN  Yuanyuan GAO  Mingxi GUO  Kui XU  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E102-A    No.7    pp.934-937
Publication Date: 2019/07/01
Online ISSN: 1745-1337
DOI: 10.1587/transfun.E102.A.934
Type of Manuscript: LETTER
Category: Communication Theory and Signals
physical-layer network coding,  serially concatenated continuous phase modulation,  soft input soft output,  

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A physical-layer network coding (PNC) scheme is developed using serially concatenated continuous phase modulation (SCCPM) with symbol interleavers in a two-way relay channel (TWRC), i.e., SCCPM-PNC. The decoding structure of the relay is designed and the corresponding soft input soft output (SISO) iterative decoding algorithm is discussed. Simulation results show that the proposed SCCPM-PNC scheme performs good performance in bit error rate (BER) and considerable improvements can be achieved by increasing the interleaver size and number of iterations.