Jointly optimized design of distributed Reed–Solomon codes by proper selection in relay

Pengcheng Guo (), Fengfan Yang (), Chunli Zhao () and Waheed Ullah ()
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Pengcheng Guo: Nanjing University of Aeronautics and Astronautics
Fengfan Yang: Nanjing University of Aeronautics and Astronautics
Chunli Zhao: Nanjing University of Aeronautics and Astronautics
Waheed Ullah: University of the Witwatersrand

Telecommunication Systems: Modelling, Analysis, Design and Management, 2021, vol. 78, issue 3, No 9, 403 pages

Abstract: Abstract This paper proposes a distributed RS coding scheme to construct a subcode at the destination. Practically in any distributed coding scheme, an appropriate encoding strategy at the relay plays a vital role in achieving an optimized code. Therefore, the authors have proposed an efficient approach for proper selection of information at the relay based on subspace approach. Using this approach as the proper benchmark, another more practical selection approach with low complexity is also proposed. Monte Carlo simulations demonstrate that the distributed RS coding scheme under the two approaches can achieve nearly the same bit error rate performance. Furthermore, to jointly decode the source and relay codes at the destination, two different decoding algorithms named as naive and smart algorithms are proposed. The simulation results reveal that the advantage of smart algorithm as compared to naive one. The proposed distributed RS coding scheme with smart algorithm outperforms its non-cooperative scheme by a gain of 2.4–3.2 dB under identical conditions. Moreover, the proposed distributed RS coding scheme outperforms multiple existing distributed coding schemes, making it an excellent candidate for the future distributed coding wireless communications.

Keywords: Reed–Solomon codes; Distributed coding schemes; Information selection approach; Joint decoding algorithms (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s11235-021-00822-w

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