Digital pulse interval modulation for optical communications

Ghassemlooy, Zabih, Hayes, Andrew, Seed, N. L. and Kaluarachchi, Eraj (1998) Digital pulse interval modulation for optical communications. IEEE Communications Magazine, 36 (12). pp. 95-99. ISSN 01636804

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Official URL: http://dx.doi.org/10.1109/35.735885

Abstract

This article presents a study of digital pulse interval modulation (DPIM) for optical wireless communications using intensity modulation with direct detection. The DPIM code properties are discussed, and expressions for the transmission capacity, power spectrum, and error probability are presented. We show that for a given number of bits per symbol, DPIM has a higher transmission capacity, a similar spectral profile, and only a marginally inferior error probability performance compared with pulse position modulation, and is rather less complex to implement. Finally, problems associated with the nonuniform symbol length characteristics of DPIM together with possible solutions are discussed.

Item Type: Article
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 25 Apr 2014 14:42
Last Modified: 24 Oct 2017 08:55
URI: http://nrl.northumbria.ac.uk/id/eprint/16167

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