Gaussian broadcast channel with lossy state reconstruction

Clicks: 212
ID: 16660
2019
We consider a state reconstruction problem where the additive state process of a Gaussian Broadcast Channel (GBC) is to be reconstructed at both receivers, subject to some distortion constraints. The state process we consider is Gaussian, independently and identically distributed, and known fully a-priori at the encoder. Each receiver has to perform a lossy estimation, to within some prescribed distortion tolerance under a squared error distortion criterion. The set-up also involves communicating messages across to the receivers, in addition to the estimation. The optimal trade-off between the distortions incurred at the receivers and the rates at which messages can be communicated, is of interest. We provide a complete characterization of the optimal rate vs. distortion performance. Keywords: Broadcast channel, State transmission, Dirty paper coding, MMSE estimation
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ramachandran2019gaussiandigital Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Ramachandran, Viswanathan;
Journal digital communications and networks
Year 2019
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