Soft Decoding of Integer Codes and Their Application to Coded Modulation

Hristo KOSTADINOV; Hiroyoshi MORITA; Noboru IIJIMA; A. J. HAN VINCK; Nikolai MANEV

doi:10.1587/transfun.E93.A.1363

Regular Section

Soft Decoding of Integer Codes and Their Application to Coded Modulation

Hristo KOSTADINOV, Hiroyoshi MORITA, Noboru IIJIMA, A. J. HAN VINCK, Nikolai MANEV

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Keywords: finite rings, integer codes, coded modulation, QAM, PSK, AWGN, SEP

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2010 Volume E93.A Issue 7 Pages 1363-1370

DOI https://doi.org/10.1587/transfun.E93.A.1363

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Abstract

Integer codes are very flexible and can be applied in different modulation schemes. A soft decoding algorithm for integer codes will be introduced. Comparison of symbol error probability (SEP) versus signal-to-noise ratio (SNR) between soft and hard decoding using integer coded modulation shows us that we can obtain at least 2dB coding gain. Also, we shall compare our results with trellis coded modulation (TCM) because of their similar decoding schemes and complexity.

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