Turbo decoding of simple product codes in a two user binary adder channel employing the Bahl–Cocke–Jelinek–Raviv algorithm

I. M. M. Souza, M. L. M. G. Alcoforado () and V. C. Rocha ()
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I. M. M. Souza: University of Pernambuco (UPE)
M. L. M. G. Alcoforado: University of Pernambuco (UPE)
V. C. Rocha: Federal University of Pernambuco

Telecommunication Systems: Modelling, Analysis, Design and Management, 2018, vol. 68, issue 3, No 9, 513-521

Abstract: Abstract The main goal in this paper is an investigation of the Bahl–Cocke–Jelinek–Raviv (BCJR) algorithm applied in a turbo decoding scheme. Binary product codes are employed in a turbo coding scheme and the channel model considered is the two user binary adder channel (2-BAC) with additive white Gaussian noise. A trellis for two users is constructed for a pair of product codes tailored for use in the 2-BAC in order to employ the BCJR decoding algorithm. Computer simulation is employed to show that product codes on the 2-BAC, employing low-complexity component codes, produces considerable gain with few iterations under iterative BCJR decoding.

Keywords: BCJR algorithm; Multiple access channel; Iterative decoder; Product codes (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s11235-017-0407-z

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