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
Nous proposons une nouvelle technique d'annulation des interférences utilisant des signaux de référence pour les systèmes optiques à accès multiple par répartition en code synchrone (CDMA). Dans le système proposé, nous utilisons les séquences de codes de signature composées des codes d'informations de groupe et des séquences de codes premiers modifiés. Les codes d'informations de groupe sont ajoutés au premier plan des séquences de codes de signature pour estimer la quantité d'interférence d'accès multiple (MAI). Le schéma d'annulation proposé peut être réalisé avec une structure plus simple que l'annuleur conventionnel utilisant le signal de référence par répartition dans le temps, car il peut réduire le nombre de corrélateurs optiques de P à deux où P est le nombre premier. Nous analysons les performances du système proposé en considérant les effets du MAI, du bruit des photodiodes à avalanche (APD) et du bruit thermique. Nous montrons que l'annuleur proposé a une meilleure probabilité d'erreur sur les bits que l'annuleur conventionnel.
The copyright of the original papers published on this site belongs to IEICE. Unauthorized use of the original or translated papers is prohibited. See IEICE Provisions on Copyright for details.
Copier
Hiroshi SAWAGASHIRA, Katsuhiro KAMAKURA, Tomoaki OHTSUKI, Iwao SASASE, "Direct-Detection Optical Synchronous CDMA Systems with Interference Canceller Using Group Information Codes" in IEICE TRANSACTIONS on Fundamentals,
vol. E83-A, no. 11, pp. 2138-2142, November 2000, doi: .
Abstract: We propose a new interference cancellation technique using reference signals for optical synchronous code-division multiple-access (CDMA) systems. In the proposed system, we use the signature code sequences composed of the group information codes and the modified prime code sequences. The group information codes are added in the forefront of the signature code sequences to estimate the amount of the multiple access interference (MAI). The proposed cancellation scheme can be realized with the simpler structure than the conventional canceller using the time division reference signal, because it can reduce the number of optical correlators from P to two where P is the prime number. We analyze the performance of the proposed system with considering the effects of the MAI, avalanche photodiode (APD) noise, and thermal noise. We show that the proposed canceller has better bit error probability than the conventional canceller.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/e83-a_11_2138/_p
Copier
@ARTICLE{e83-a_11_2138,
author={Hiroshi SAWAGASHIRA, Katsuhiro KAMAKURA, Tomoaki OHTSUKI, Iwao SASASE, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Direct-Detection Optical Synchronous CDMA Systems with Interference Canceller Using Group Information Codes},
year={2000},
volume={E83-A},
number={11},
pages={2138-2142},
abstract={We propose a new interference cancellation technique using reference signals for optical synchronous code-division multiple-access (CDMA) systems. In the proposed system, we use the signature code sequences composed of the group information codes and the modified prime code sequences. The group information codes are added in the forefront of the signature code sequences to estimate the amount of the multiple access interference (MAI). The proposed cancellation scheme can be realized with the simpler structure than the conventional canceller using the time division reference signal, because it can reduce the number of optical correlators from P to two where P is the prime number. We analyze the performance of the proposed system with considering the effects of the MAI, avalanche photodiode (APD) noise, and thermal noise. We show that the proposed canceller has better bit error probability than the conventional canceller.},
keywords={},
doi={},
ISSN={},
month={November},}
Copier
TY - JOUR
TI - Direct-Detection Optical Synchronous CDMA Systems with Interference Canceller Using Group Information Codes
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 2138
EP - 2142
AU - Hiroshi SAWAGASHIRA
AU - Katsuhiro KAMAKURA
AU - Tomoaki OHTSUKI
AU - Iwao SASASE
PY - 2000
DO -
JO - IEICE TRANSACTIONS on Fundamentals
SN -
VL - E83-A
IS - 11
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - November 2000
AB - We propose a new interference cancellation technique using reference signals for optical synchronous code-division multiple-access (CDMA) systems. In the proposed system, we use the signature code sequences composed of the group information codes and the modified prime code sequences. The group information codes are added in the forefront of the signature code sequences to estimate the amount of the multiple access interference (MAI). The proposed cancellation scheme can be realized with the simpler structure than the conventional canceller using the time division reference signal, because it can reduce the number of optical correlators from P to two where P is the prime number. We analyze the performance of the proposed system with considering the effects of the MAI, avalanche photodiode (APD) noise, and thermal noise. We show that the proposed canceller has better bit error probability than the conventional canceller.
ER -