Experimental Optical Fibre Digital Pulse-Position Modulation System

N. M. Calvert; M. J.N. Sibley; R. T. Unwin

doi:10.1049/el:19880086

Experimental Optical Fibre Digital Pulse-Position Modulation System

N. M. Calvert, M. J.N. Sibley, R. T. Unwin

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

Practical measurements on a digital PPM system handling 8Mbit/s PCM data show good correlation with theoretical results obtained from a computer model of the system. It is confirmed that there exists an optimum number of time slots which maximises the receiver sensitivity, and that a digital PPM system can offer an improvement of 4-2 dB over an equivalent binary PCM system when the fibre bandwidth is several times that required by PCM.

Original language	English
Pages (from-to)	129-131
Number of pages	3
Journal	Electronics Letters
Volume	24
Issue number	2
DOIs	https://doi.org/10.1049/el:19880086
Publication status	Published - 21 Jan 1988

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keywords = "Optical communications, Optical modulation, information theory, Pulse position modulation, digital communication systems, optical communication equipment, measurements, codes",

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AU - Unwin, R. T.

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AB - Practical measurements on a digital PPM system handling 8Mbit/s PCM data show good correlation with theoretical results obtained from a computer model of the system. It is confirmed that there exists an optimum number of time slots which maximises the receiver sensitivity, and that a digital PPM system can offer an improvement of 4-2 dB over an equivalent binary PCM system when the fibre bandwidth is several times that required by PCM.

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KW - Optical modulation

KW - information theory

KW - Pulse position modulation

KW - digital communication systems

KW - optical communication equipment

KW - measurements

KW - codes

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