Distributed analog coding of correlated Gaussian sources

Authors:
Iñaki Esnaola;Javier Garcia-Frias
Affiliations:
Department of Electrical and Computer Engineering, University of Delaware;Department of Electrical and Computer Engineering, University of Delaware
Venue:
Allerton'09 Proceedings of the 47th annual Allerton conference on Communication, control, and computing
Year:
2009

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Abstract

We study the performance of distributed analog linear coding of multiple correlated multivariate Gaussian sources over the multiple access channel. Assuming the correlation structure is known both at the encoder and the decoder, optimal linear encoding and decoding is introduced. A general performance analysis is presented for both random and optimal linear encoders and compared to a lower bound on the achievable theoretical limit.