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Analog network coding using differential and double-differential modulation with relay selection
Author(s) -
Sangmin Heo,
Chan-Hong Kim,
Nayoung Lee,
Jungwoo Lee
Publication year - 2018
Publication title -
ict express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.733
H-Index - 22
ISSN - 2405-9595
DOI - 10.1016/j.icte.2018.06.003
Subject(s) - relay , coding (social sciences) , differential coding , differential (mechanical device) , modulation (music) , selection (genetic algorithm) , computer science , mathematics , electronic engineering , telecommunications , statistics , physics , engineering , artificial intelligence , thermodynamics , power (physics) , quantum mechanics , acoustics
A simple relay selection scheme is proposed for analog network coding using differential modulation (ANC-DM). We propose a relay selection scheme based solely on the received signal power in which their own information is canceled out at each source node. The proposed power-based relay selection scheme is further applied to analog network coding using double-differential modulation (ANC-DDM), which is suitable for channels with carrier offset. Simulation results show that our proposed simple power-based criterion for relay selection in ANC-DM system has little loss compared to the optimal relay selection scheme using ideal BER.

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