A new computable achievable rate region for the Gaussian interference channel

Xiaohu Shang, Biao Chen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

16 Scopus citations

Abstract

A modified FDM/TDM method was first used by Sato to study the achievable rate region of degraded Gaussian interference channel. Recently Sason used this method to get an achievable rate region of Gaussian interference channel. In this paper, we generalize this method in terms of the transmission mode and frequency band allocation, and obtain an achievable rate region for Gaussian interference channel, which improves the existing computable rate regions for both the weak and moderate interferences. We note that this modified FDM/TDM is different to time sharing and the difference depends on the activeness and concavity of the constraints. The achievable sum rate of symmetric Gaussian interference channel is derived for a subregion of the classical Han-Kobayashi region, and subsequently, for the proposed new achievable rate region.

Original languageEnglish (US)
Title of host publicationProceedings - 2007 IEEE International Symposium on Information Theory, ISIT 2007
Pages2191-2195
Number of pages5
DOIs
StatePublished - Dec 1 2007
Event2007 IEEE International Symposium on Information Theory, ISIT 2007 - Nice, France
Duration: Jun 24 2007Jun 29 2007

Publication series

NameIEEE International Symposium on Information Theory - Proceedings
ISSN (Print)2157-8101

Other

Other2007 IEEE International Symposium on Information Theory, ISIT 2007
CountryFrance
CityNice
Period6/24/076/29/07

Keywords

  • Achievable rate region
  • Gaussian interference channel
  • Sum capacity

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Information Systems
  • Modeling and Simulation
  • Applied Mathematics

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