Gaussian broadcast channels with receiver message side information

Authors:
Jae Won Yoo;Tie Liu;Feng Xue
Affiliations:
Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX;Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX;Corporate Technology Group, Intel Research, Santa Clara, CA
Venue:
ISIT'09 Proceedings of the 2009 IEEE international conference on Symposium on Information Theory - Volume 4
Year:
2009

Citing 3
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Abstract

This paper considers the problem of communicating private messages over Gaussian broadcast channels with receiver message side information and proposes a separate physical and network coding strategy that combines layered codes and linear index codes. Though generally suboptimal, the proposed separate physical and network coding scheme is shown to achieve the capacity region of the channel within one bit per user with less or equal to three users for any given channel parameters and any given side information configuration.