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Design implications of high-speed digital PPM

Sibley, Martin J.N. (1993) Design implications of high-speed digital PPM. Proceedings of SPIE, 2024. pp. 342-352. ISSN 0277-786X

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Abstract

Work in the area of digital pulse position modulation (digital PPM) has shown that this type of modulation can yield sensitivities that are typically 4 - 5 dB better than an equivalent PCM system. Recent experimental work has shown that the receiver in a digital PPM system does not need to have a wide bandwidth. Instead, the bandwidth can be very low so that the receiver is effectively impulsed by the digital PPM signal. The advent of very high speed Si digital ICs, and fast lasers, means that digital PPM can now be used to code gigabit PCM signals. This paper presents original theoretical results for a digital PPM system coding 1 Gbit/s PCM signals into 8 Gbit/s digital PPM signals. The paper also addresses the difficulties that the system designer is likely to encounter, and discusses some possible solutions

Item Type: Article
Additional Information: Proceedings of Multigigabit Fiber Communication Systems,Wednesday 14 July 1993, San Diego, CA, USA
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: 04 Dec 2008 16:47
Last Modified: 05 Dec 2008 09:47
URI: http://eprints.hud.ac.uk/id/eprint/2859

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