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Joint CPFSK Modulation and Physical-Layer Network Coding in Two-Way Relay Channels
Nan SHA Yuanyuan GAO Xiaoxin YI Wenlong LI Weiwei YANG
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/04/01
Online ISSN: 1745-1337
Type of Manuscript: LETTER
Category: Communication Theory and Signals
physical-layer network coding, continuous phase frequency shift keying, modulation index, maximum-likelihood sequence detection,
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A joint continuous phase frequency shift keying (CPFSK) modulation and physical-layer network coding (PNC), i.e., CPFSK-PNC, is proposed for two-way relay channels (TWRCs). This letter discusses the signal detection of the CPFSK-PNC scheme with emphasis on the maximum-likelihood sequence detection (MLSD) algorithm for the relay receiver. The end-to-end error performance of the proposed CPFSK-PNC scheme is evaluated through simulations.