Square root approximation to the poisson channel

A. Tsiatmas, F.M.J. Willems, C.P.M.J. Baggen

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

9 Citations (Scopus)

Abstract

Starting from the Poisson model we present a channel model for optical communications, called the Square Root (SR) Channel, in which the noise is additive Gaussian with constant variance. Initially, we prove that for large peak or average power, the transmission rate of a Poisson Channel when coding and decoding methods for the SR Channel are used, converges to the capacity of the Poisson Channel. Then, we derive bounds and asymptotic expressions for the capacity of the SR Channel, and compare them to those of other optical channel models. Finally, signal-independent noise sources are discussed.
Original languageEnglish
Title of host publication2013 IEEE International Symposium on Information Theory Proceedings (ISIT), 7-12 July 2013, Istanbul, Turkey
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages1695-1699
DOIs
Publication statusPublished - 2013

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