Method for computing the optimal signal distribution and channel capacity

E.G. Shapiro; D.A.  Shapiro; S.K. Turitsyn

doi:10.1364/OE.23.015119

Method for computing the optimal signal distribution and channel capacity

E.G. Shapiro, D.A. Shapiro, S.K. Turitsyn

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

Abstract

An iterative method for computing the channel capacity of both discrete and continuous input, continuous output channels is proposed. The efficiency of new method is demonstrated in comparison with the classical Blahut - Arimoto algorithm for several known channels. Moreover, we also present a hybrid method combining advantages of both the Blahut - Arimoto algorithm and our iterative approach. The new method is especially efficient for the channels with a priory unknown discrete input alphabet.

Original language	English
Pages (from-to)	15119-15133
Number of pages	15
Journal	Optics Express
Volume	23
Issue number	12
Early online date	1 Jun 2015
DOIs	https://doi.org/10.1364/OE.23.015119
Publication status	Published - 15 Jun 2015

Bibliographical note

Funding: Grant of Ministry of Education and Science of the Russian Federation
(14.B25.31.0003); EPSRC project UNLOC, the Government program of the leading research schools NSh-4447.2014.2

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https://www.osapublishing.org/oe/abstract.cfm?uri=oe-23-12-15119

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N2 - An iterative method for computing the channel capacity of both discrete and continuous input, continuous output channels is proposed. The efficiency of new method is demonstrated in comparison with the classical Blahut - Arimoto algorithm for several known channels. Moreover, we also present a hybrid method combining advantages of both the Blahut - Arimoto algorithm and our iterative approach. The new method is especially efficient for the channels with a priory unknown discrete input alphabet.

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Method for computing the optimal signal distribution and channel capacity

Abstract

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