Optimizing spectral efficiency in multiwavelength optical CDMA system

Optimizing spectral efficiency in multiwavelength optical CDMA system

Prime codes are excellent candidates for use in multiwavelength optical code-division multiple-access (O-CDMA) systems. We show that in an O-CDMA system using two-dimensional single-pulse-per-row codes, a single choice of the number of wavelength channels can. accommodate different numbers of users...

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Veröffentlicht in:IEEE transactions on communications 2003-09, Vol.51 (9), p.1442-1445
Hauptverfasser: Chang, T.-W.F., Sargent, E.H.
Format: Artikel
Sprache:eng
Schlagworte:
Bandwidth
Bit error rate
Channels
Code division multiple access
Data communication
High speed optical techniques
Multiaccess communication
Multiple access interference
Networks
Optical fiber networks
Optical fibers
Optimization
Spectra
Telecommunication traffic
Traffic flow
Two dimensional
Two dimensional displays
Wavelengths
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Beschreibung
Zusammenfassung:Prime codes are excellent candidates for use in multiwavelength optical code-division multiple-access (O-CDMA) systems. We show that in an O-CDMA system using two-dimensional single-pulse-per-row codes, a single choice of the number of wavelength channels can. accommodate different numbers of users with maximal spectral efficiency. The optimum single-user-detection spectral efficiency of the system can be reached using AND detection. A fixed-hardware network can readily be adapted in response to changes in the number of users and traffic load.
ISSN:0090-6778
1558-0857
DOI:10.1109/TCOMM.2003.816969