The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
Copyrights notice
The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Dans cet article, un schéma de correction d'erreur adapté au système MC-DS-CDMA avec modulation bi-orthogonale est proposé. La séquence d'entrée d'un modulateur bi-orthogonal se compose de n - 1 séquence de bits de sélection de code binaire et 1 séquence de bits de signe. Afin d'appliquer un code de correction d'erreur efficace, les points suivants doivent être pris en compte : (1) si les bits de sélection de code peuvent être suffisamment protégés, l'erreur sur les bits de signe peut également être suffisamment réduite, (2) puisqu'une séquence de bits de sélection de code consiste en n - 1 bits, l'utilisation d'un code de correction d'erreurs de symboles est plus efficace pour coder les bits de sélection de code, (3) la complexité des implémentations du codeur et du décodeur de correction d'erreurs doit être minimale. Sur la base de ces conditions, nous proposons d'utiliser un code Reed-Solomon (RS) pour coder les bits de sélection de code et aucun code de correction d'erreur pour le bit de signe. De plus, l'algorithme de détection au niveau du démodulateur bi-orthogonal est modifié pour compenser les dégradations des performances de taux d'erreur sur les bits de signe. Les performances dans un canal de bruit gaussien blanc additif (AWGN) sont évaluées à la fois par une analyse théorique et des simulations informatiques. Les évaluations de performances par simulations sur des canaux à évanouissements multi-trajets sont également présentées. Il est démontré que le schéma proposé présente des améliorations remarquables.
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Hirokazu TANAKA, Kyung Woon JANG, Shoichiro YAMASAKI, Miki HASEYAMA, "Performance of Reed-Solomon Coded MC-DS-CDMA with Bi-orthogonal Modulation" in IEICE TRANSACTIONS on Fundamentals,
vol. E92-A, no. 10, pp. 2600-2608, October 2009, doi: 10.1587/transfun.E92.A.2600.
Abstract: In this paper, an error correction scheme suitable for MC-DS-CDMA system with bi-orthogonal modulation is proposed. The input sequence of a bi-orthogonal modulator consists of n - 1 bit code selection bit sequence and 1 bit sign bit sequence. In order to apply an efficient error correction code, the following points should be considered; (1) if the code selection bits can be protected sufficiently, the sign bit error can also be reduced sufficiently, (2) since a code selection bit sequence consists of n - 1 bits, employing a symbol error correcting code is more effective for encoding code selection bits, (3) the complexity of the error correction encoder and decoder implementations should be minimum. Based on these conditions, we propose to employ Reed-Solomon (RS) code for encoding the code selection bits and no error correction code for the sign bit. Additionally, detection algorithm at the bi-orthogonal demodulator is modified for compensating degradations of the sign bit error rate performance. The performance in an Additive White Gaussian Noise (AWGN) channel is evaluated by both theoretical analysis and computer simulations. The performance evaluations by simulations on multi-path fading channels are also shown. It is shown that the proposed scheme has remarkable improvement.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/transfun.E92.A.2600/_p
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@ARTICLE{e92-a_10_2600,
author={Hirokazu TANAKA, Kyung Woon JANG, Shoichiro YAMASAKI, Miki HASEYAMA, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Performance of Reed-Solomon Coded MC-DS-CDMA with Bi-orthogonal Modulation},
year={2009},
volume={E92-A},
number={10},
pages={2600-2608},
abstract={In this paper, an error correction scheme suitable for MC-DS-CDMA system with bi-orthogonal modulation is proposed. The input sequence of a bi-orthogonal modulator consists of n - 1 bit code selection bit sequence and 1 bit sign bit sequence. In order to apply an efficient error correction code, the following points should be considered; (1) if the code selection bits can be protected sufficiently, the sign bit error can also be reduced sufficiently, (2) since a code selection bit sequence consists of n - 1 bits, employing a symbol error correcting code is more effective for encoding code selection bits, (3) the complexity of the error correction encoder and decoder implementations should be minimum. Based on these conditions, we propose to employ Reed-Solomon (RS) code for encoding the code selection bits and no error correction code for the sign bit. Additionally, detection algorithm at the bi-orthogonal demodulator is modified for compensating degradations of the sign bit error rate performance. The performance in an Additive White Gaussian Noise (AWGN) channel is evaluated by both theoretical analysis and computer simulations. The performance evaluations by simulations on multi-path fading channels are also shown. It is shown that the proposed scheme has remarkable improvement.},
keywords={},
doi={10.1587/transfun.E92.A.2600},
ISSN={1745-1337},
month={October},}
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TY - JOUR
TI - Performance of Reed-Solomon Coded MC-DS-CDMA with Bi-orthogonal Modulation
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 2600
EP - 2608
AU - Hirokazu TANAKA
AU - Kyung Woon JANG
AU - Shoichiro YAMASAKI
AU - Miki HASEYAMA
PY - 2009
DO - 10.1587/transfun.E92.A.2600
JO - IEICE TRANSACTIONS on Fundamentals
SN - 1745-1337
VL - E92-A
IS - 10
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - October 2009
AB - In this paper, an error correction scheme suitable for MC-DS-CDMA system with bi-orthogonal modulation is proposed. The input sequence of a bi-orthogonal modulator consists of n - 1 bit code selection bit sequence and 1 bit sign bit sequence. In order to apply an efficient error correction code, the following points should be considered; (1) if the code selection bits can be protected sufficiently, the sign bit error can also be reduced sufficiently, (2) since a code selection bit sequence consists of n - 1 bits, employing a symbol error correcting code is more effective for encoding code selection bits, (3) the complexity of the error correction encoder and decoder implementations should be minimum. Based on these conditions, we propose to employ Reed-Solomon (RS) code for encoding the code selection bits and no error correction code for the sign bit. Additionally, detection algorithm at the bi-orthogonal demodulator is modified for compensating degradations of the sign bit error rate performance. The performance in an Additive White Gaussian Noise (AWGN) channel is evaluated by both theoretical analysis and computer simulations. The performance evaluations by simulations on multi-path fading channels are also shown. It is shown that the proposed scheme has remarkable improvement.
ER -