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DOI: 10.14569/IJACSA.2021.0120420
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Iterative Decoding of Chase Pyndiah Decoder Utilizing Multiple Relays Network

Author 1: Saif E. A. Alnawayseh

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 12 Issue 4, 2021.

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Abstract: In this paper, a distributed Encoding and decoding of Turbo Product Code (TPC) over single and multiple relays network are proposed. The information message matrix is encoded at source by Bose Chaudhuri Hochquenghem (BCH) as component code and transmitted to destination and relays in the midway between source and destination. The coded source message is decoded by simple chase П decoder at relay and encoded again horizontally and vertically by BCH component code to construct TPC. Two scenarios were investigated. First scenario, utilizing one relay in cooperative network, where the vertical parity part of TPC is transmitted to destination to be the input of row decoder for original chase pyndiah decoder, while the received encoded horizontally matrix from source is the input of the column decoder. In the second scenario multiple relays are utilized and multiple copies of vertical parity part of TPC are sent to destination to be decoded by the proposed modified iterative chase pyndiah decoder with multiple integrated stages for each iteration. Simulation results for the first scenario over Additive White Gaussian (AWGN) and Rayleigh fading channels and using original chase Pyndiah decoder at destination shows 2dB gain improvement at BER= 〖10〗^(-5) and 4dB gain improvement at BER=〖10〗^(-4) respectively over BER performance of un cooperative system. While results for distributed TPC decoding for the second scenario and using the proposed modified iterative chase Pyndiah decoder at destination shows 2.7 dB and 3 dB gain at BER =〖10〗^(-4) for AWGN and Rayleigh fading channels respectively over the first scenario.

Keywords: Turbo product code (TPC); modified iterative chase Pyndiah decoding algorithm; relay; source; Bit Error Rate (BER); vertical parities; horizontal parities

Saif E. A. Alnawayseh, “Iterative Decoding of Chase Pyndiah Decoder Utilizing Multiple Relays Network” International Journal of Advanced Computer Science and Applications(IJACSA), 12(4), 2021. http://dx.doi.org/10.14569/IJACSA.2021.0120420

@article{Alnawayseh2021,
title = {Iterative Decoding of Chase Pyndiah Decoder Utilizing Multiple Relays Network},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2021.0120420},
url = {http://dx.doi.org/10.14569/IJACSA.2021.0120420},
year = {2021},
publisher = {The Science and Information Organization},
volume = {12},
number = {4},
author = {Saif E. A. Alnawayseh}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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