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Effect of semiconductor laser intrinsic dynamic distortions in hybrid fiber-CDMA cellular radio networks

✍ Scribed by S. Betti; A. Bizzotto; E. Bravi; M. Giaconi

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 189 KB
Volume: 20
Category: Article
ISSN: 0895-2477
DOI: 10.1002/(sici)1098-2760(19990205)20:3<207::aid-mop17>3.0.co;2-u

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✦ Synopsis

where I is the mean value of the Gaussian process repre-0 senting the optical signal modulated by the analog and digital channels, and is the time spent above threshold, which is asymptotically a Rayleigh random variable with probability density

Ž Assuming a passband filtering namely, an integrate-and-. dump filter , in the QAM receiver, with impulsive response

Ž . and calling ¨ the parabolic pulse area, the following Ž . expression for the characteristic function ⌽ of the ranw x dom process at the filter output can be obtained 12 : 2 j ϱ

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Hybrid fiber-radio networks can lead to a more effecti¨e exploitation of the a¨ailable radio frequencies for microcellular co¨erage and to meet the increasing demand of cellular mobile radio communications. In this letter, the effect of clipping impulsi¨e noise due to the nonlinear beha¨ior of a sem