Correlated jamming on MIMO Gaussian fading channels

Akshay Kashyap, Tamer Başar, R. Srikant

Research output: Contribution to journalArticle

Abstract

We consider a zero-sum mutual information game on multiple-input multiple-output (MIMO) Gaussian Rayleigh-fading channels. The players are an encoder-decoder pair as the maximizer, and a jammer as the minimizer, of the mutual information between the input and the output of the channel. There are total power constraints on both the jammer and the encoder. Also, the jammer has access to the encoder output. We find the unique saddle point of this game, and prove the somewhat surprising result that the knowledge of the channel input is useless to the jammer.

Original languageEnglish (US)
Pages (from-to)2119-2123
Number of pages5
JournalIEEE Transactions on Information Theory
Volume50
Issue number9
DOIs
StatePublished - Sep 1 2004

ASJC Scopus subject areas

  • Information Systems
  • Computer Science Applications
  • Library and Information Sciences

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