Nonlinear distributed source-channel coding over orthogonal additive white Gaussian noise channels

descriptionPublicationkeyboard_double_arrow_right Article , Conference object 01 Apr 2009Publisher:IEEEJournal:2009 IEEE International Conference on Acoustics, Speech and Signal Processing

Authors: Niklas Wernersson; Mikael Skoglund;

doi: 10.1109/icassp.2009.4960123

Nonlinear distributed source-channel coding over orthogonal additive white Gaussian noise channels

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Abstract

The problem of designing simple and energy-efficient nonlinear distributed source-channel codes is considered. By demonstrating similarities between this problem and the problem of bandwidth expansion, a structure for source-channel codes is presented and analyzed. Based on this analysis an understanding about desirable properties for such a system is gained and used to produce an explicit source-channel code which is then analyzed and simulated. It is shown that the code has a substantial gain compared to a linear source-channel code.

Related Organizations

Royal Institute of Technology
Sweden

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