Broadcasting Correlated Vector Gaussians Academic Article uri icon


  • 1963-2012 IEEE. The problem of sending two correlated vector Gaussian sources over a bandwidth-matched two-user scalar Gaussian broadcast channel is studied in this paper, where each receiver wishes to reconstruct its target source under a covariance distortion constraint. We derive a lower bound on the optimal tradeoff between the transmit power and the achievable reconstruction distortion pair. Our derivation is based on a new bounding technique which involves the introduction of appropriate remote sources. Furthermore, it is shown that this lower bound is achievable by a class of hybrid schemes for the special case, where the weak receiver wishes to reconstruct a scalar source under the mean squared error distortion constraint.

published proceedings

  • IEEE Transactions on Information Theory

author list (cited authors)

  • Song, L., Chen, J., & Tian, C.

citation count

  • 11

complete list of authors

  • Song, Lin||Chen, Jun||Tian, Chao

publication date

  • January 2015