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Titolo:
CDMA fiber-optic systems with optical hard limiters
Autore:
Chen, JJ; Yang, GC;
Indirizzi:
Natl Chung Hsing Univ, Dept Elect Engn, Taichung 40227, Taiwan Natl Chung Hsing Univ Taichung Taiwan 40227 Engn, Taichung 40227, Taiwan
Titolo Testata:
JOURNAL OF LIGHTWAVE TECHNOLOGY
fascicolo: 7, volume: 19, anno: 2001,
pagine: 950 - 958
SICI:
0733-8724(200107)19:7<950:CFSWOH>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
MULTIPLE-ACCESS TECHNIQUES; ORTHOGONAL CODES; PERFORMANCE ANALYSIS; NETWORKS;
Keywords:
code division multiple access (CDMA); fiber-optic systems; hard limiter;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
--discip_EC--
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Chen, JJ Natl Chung Hsing Univ, Dept Elect Engn, Taichung 40227, Taiwan Natl Chung Hsing Univ Taichung Taiwan 40227 chung 40227, Taiwan
Citazione:
J.J. Chen e G.C. Yang, "CDMA fiber-optic systems with optical hard limiters", J LIGHTW T, 19(7), 2001, pp. 950-958

Abstract

Code-division multiple-access (CDMA) technique has recently received substantial attention for fiber-optic communication systems, Simultaneous users are allowed to send their data asynchronously in CDMA fiber-optic systems through the assignment of unique "signature codes. " The multiple-access interference (MAI), which increases with the number of simultaneous users, severely limits the user capacity of the systems, An optical hard limiter can be placed at the front end of the desired receiver to reduce the effects of the MAI, We obtain the bit error probability for the CDMA fiber-optic systems with optical hard limiters. The exact performance analysis is performed and the result is the generalization of the analysis in [5], For lambda (c)= 1 codes, the result is not restricted to the case for threshold Th = w, yielding a more general and useful result than that in [5], The improvementin the performance from using a hard limiter with prime code and extended prime code is shown, The effect on the choice of decision threshold Th is also examined.

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Documento generato il 09/04/20 alle ore 07:30:10