Soft Decoding of Integer Codes and Their Application to Coded Modulation

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

Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E93-A   No.7   pp.1363-1370
Publication Date: 2010/07/01
Online ISSN: 1745-1337
DOI: 10.1587/transfun.E93.A.1363
Print ISSN: 0916-8508
Type of Manuscript: PAPER
Category: Information Theory
Keyword: 
finite rings,  integer codes,  coded modulation,  QAM,  PSK,  AWGN,  SEP,  

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Summary: 
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 2 dB coding gain. Also, we shall compare our results with trellis coded modulation (TCM) because of their similar decoding schemes and complexity.