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Titolo:
Analysis of multiwavelength OOCDMA system with laser phase noise, modal noise, MUI, and receiver noises
Autore:
Murugesan, K; Ravichandran, VC;
Indirizzi:
Anna Univ, Coll Engn, Sch Elect & Commun Engn, Chennai 600025, India Anna Univ Chennai India 600025 lect & Commun Engn, Chennai 600025, India
Titolo Testata:
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
fascicolo: 5, volume: 23, anno: 1999,
pagine: 299 - 304
SICI:
0895-2477(199912)23:5<299:AOMOSW>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
PERFORMANCE; NETWORKS; CDMA;
Keywords:
code-division multiple access (CDMA) multiwavelength optical orthogonal codes (MWOOC); laser phase noise; modal noise; multiuser interface (MUI);
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
--discip_EC--
Citazioni:
15
Recensione:
Indirizzi per estratti:
Indirizzo: Murugesan, K Anna Univ, Coll Engn, Sch Elect & Commun Engn, Chennai 600025, India Anna Univ Chennai India 600025 Engn, Chennai 600025, India
Citazione:
K. Murugesan e V.C. Ravichandran, "Analysis of multiwavelength OOCDMA system with laser phase noise, modal noise, MUI, and receiver noises", MICROW OPT, 23(5), 1999, pp. 299-304

Abstract

It has been shown that the multiwavelength scheme exhibits better system performance in optical code-division multiple-access (CDMA) networks, particularly when the traffic load is heavy. This scheme supports a large number of subscribers and simultaneous users without using very large bandwidth orthe need for complicated and expensive optical processing. The performanceof the multiwavelength optical orthogonal CDMA system has been analyzed sofar considering multiuser interface (MUI) alone. In this paper, the effects due to laser phase noise, modal noise, and receiver noises (APD noise andthermal noise) are also presented assuming a multimode fiber-optic channeland a direct-detection receiver. The analysis has been carried out by taking three wavelengths ie., 825, 826.1, and 827.2 nm, and the influence of each of the above noises on the error performance is studied. The results of the analysis reveal that, in the presence of MUI and receiver noises, if the signal power at the receiver is less, the effect of the laser phase noiseon error probability is more significant compared to modal noise, whereas if the power is large, the contribution of laser phase noise is negligible. For the given received laser power, when the effect due to modal noise on error probability is higher, the effect due to laser phase noise is lower and vice versa. (C) 1999 John Wiley & Sons, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/11/20 alle ore 09:57:56