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".
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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, les performances d'une nouvelle technique d'annulation d'interférence pour la détection d'un seul utilisateur dans un système à accès multiple par répartition en code en séquence directe (DS-CDMA) ont été étudiées. Ce nouvel algorithme est basé sur la propriété Cycle-and-Add des séquences PN (Pseudorandom Noise) et peut être appliqué aux systèmes synchrones et asynchrones. La stratégie proposée fournit une méthode simple permettant de supprimer les signaux d'interférence un par un malgré les niveaux de puissance des interférences. Par conséquent, il est possible de surmonter le problème de proximité (NFP) de manière successive sans utiliser de techniques de contrôle de puissance d'émission (TPC). La validité de la procédure proposée est corroborée par des simulations informatiques dans le bruit gaussien blanc additif (AWGN) et les canaux d'évanouissement non sélectifs en fréquence. Les résultats de performance indiquent que le récepteur proposé surpasse le récepteur conventionnel et, dans de nombreux cas, avec un gain considérable.
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Ranga HETTIARACHCHI, Mitsuo YOKOYAMA, Hideyuki UEHARA, Takashi OHIRA, "Interference Canceller Based on Cycle-and-Add Property for Single User Detection in DS-CDMA" in IEICE TRANSACTIONS on Fundamentals,
vol. E92-A, no. 1, pp. 298-306, January 2009, doi: 10.1587/transfun.E92.A.298.
Abstract: In this paper, performance of a novel interference cancellation technique for the single user detection in a direct-sequence code-division multiple access (DS-CDMA) system has been investigated. This new algorithm is based on the Cycle-and-Add property of PN (Pseudorandom Noise) sequences and can be applied for both synchronous and asynchronous systems. The proposed strategy provides a simple method that can delete interference signals one by one in spite of the power levels of interferences. Therefore, it is possible to overcome the near-far problem (NFP) in a successive manner without using transmit power control (TPC) techniques. The validity of the proposed procedure is corroborated by computer simulations in additive white Gaussian noise (AWGN) and frequency-nonselective fading channels. Performance results indicate that the proposed receiver outperforms the conventional receiver and, in many cases, it does so with a considerable gain.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/transfun.E92.A.298/_p
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@ARTICLE{e92-a_1_298,
author={Ranga HETTIARACHCHI, Mitsuo YOKOYAMA, Hideyuki UEHARA, Takashi OHIRA, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Interference Canceller Based on Cycle-and-Add Property for Single User Detection in DS-CDMA},
year={2009},
volume={E92-A},
number={1},
pages={298-306},
abstract={In this paper, performance of a novel interference cancellation technique for the single user detection in a direct-sequence code-division multiple access (DS-CDMA) system has been investigated. This new algorithm is based on the Cycle-and-Add property of PN (Pseudorandom Noise) sequences and can be applied for both synchronous and asynchronous systems. The proposed strategy provides a simple method that can delete interference signals one by one in spite of the power levels of interferences. Therefore, it is possible to overcome the near-far problem (NFP) in a successive manner without using transmit power control (TPC) techniques. The validity of the proposed procedure is corroborated by computer simulations in additive white Gaussian noise (AWGN) and frequency-nonselective fading channels. Performance results indicate that the proposed receiver outperforms the conventional receiver and, in many cases, it does so with a considerable gain.},
keywords={},
doi={10.1587/transfun.E92.A.298},
ISSN={1745-1337},
month={January},}
Copier
TY - JOUR
TI - Interference Canceller Based on Cycle-and-Add Property for Single User Detection in DS-CDMA
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 298
EP - 306
AU - Ranga HETTIARACHCHI
AU - Mitsuo YOKOYAMA
AU - Hideyuki UEHARA
AU - Takashi OHIRA
PY - 2009
DO - 10.1587/transfun.E92.A.298
JO - IEICE TRANSACTIONS on Fundamentals
SN - 1745-1337
VL - E92-A
IS - 1
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - January 2009
AB - In this paper, performance of a novel interference cancellation technique for the single user detection in a direct-sequence code-division multiple access (DS-CDMA) system has been investigated. This new algorithm is based on the Cycle-and-Add property of PN (Pseudorandom Noise) sequences and can be applied for both synchronous and asynchronous systems. The proposed strategy provides a simple method that can delete interference signals one by one in spite of the power levels of interferences. Therefore, it is possible to overcome the near-far problem (NFP) in a successive manner without using transmit power control (TPC) techniques. The validity of the proposed procedure is corroborated by computer simulations in additive white Gaussian noise (AWGN) and frequency-nonselective fading channels. Performance results indicate that the proposed receiver outperforms the conventional receiver and, in many cases, it does so with a considerable gain.
ER -