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Analysis of multiple pulse position modulation when operating over graded-index plastic optical fibre

Sibley, Martin J.N. (2004) Analysis of multiple pulse position modulation when operating over graded-index plastic optical fibre. IEE Proceedings: Optoelectronics, 151 (6). pp. 469-475. ISSN 1350-2433

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Abstract

The author presents an original performance analysis of a multiple pulse position modulation (PPM) scheme using graded-index plastic optical fibre. The particular multiple PPM scheme considered here uses two pulses in a 12-slot frame to code six bits of PCM. The line rate of the system is twice that of the original PCM (1 Gbit/s). The detailed analysis presented here shows how the error performance is affected by various pulse detection errors when inter-symbol interference is present. The predicted sensitivity of the (12/2) multiple PPM scheme used is –35.51 dBm when the pulse dispersion is low, and –19.13 dBm at a bandwidth of 0.7 times the PCM data rate. It is also shown that the use of some 3-bit code-words in the multiple PPM scheme can help to reduce the effects of dispersion so that a hybrid 2/3 pulse scheme has a 3.61 dB advantage at low bandwidths

Item Type: Article
Additional Information: UoA 25 (General Engineering)
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Schools: School of Computing and Engineering
School of Computing and Engineering > Systems Engineering Research Group
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Depositing User: Briony Heyhoe
Date Deposited: 05 Aug 2008 14:58
Last Modified: 22 Oct 2008 16:06
URI: http://eprints.hud.ac.uk/id/eprint/1346

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