Experimental optical fibre digital pulse-position modulation system
- 21 January 1988
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 24 (2) , 129-131
- https://doi.org/10.1049/el:19880086
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.Keywords
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