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Published in: Wireless Personal Communications 2/2015

01-01-2015

The Performance of Systems Featuring Dynamic Decode-and-Forward and Network Coding

Authors: Wei-Cheng Liu, Chun-Huan Shih

Published in: Wireless Personal Communications | Issue 2/2015

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Abstract

We constructed a single-relay-station cooperative communications system, featuring integration between the dynamic decode-and-forward (DDF) protocol and network coding (NC) to examine the outage probabilities in the Rayleigh, Rician, and Nakagami fading channels. In addition, the diversity-multiplexing tradeoff of the system was analyzed to examine improvements for system performance through integrating these two technologies. Through simulations and analyses, we discovered that the systems featuring NC had lower outage probability and greater diversity gain, and consequently, greater system reliability compared to the ordinary system featuring only the DDF protocol. However, because we added a final phase for the transmission of network coded signals, the system showed lower multiplexing gain compared to the system featuring only the DDF. Users should adopt this system based on their needs. For example, in situations that have higher requirements for reliability and lower requirements for multiplexing gain, users can adopt a DDF-NC cooperative communications system.

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Metadata
Title
The Performance of Systems Featuring Dynamic Decode-and-Forward and Network Coding
Authors
Wei-Cheng Liu
Chun-Huan Shih
Publication date
01-01-2015
Publisher
Springer US
Published in
Wireless Personal Communications / Issue 2/2015
Print ISSN: 0929-6212
Electronic ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-014-2024-4

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