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학술대회 A New Outer Bound on the Capacity Region of Gaussian Interference Channels
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저자
남준영, Giuseppe Caire
발행일
201207
출처
International Symposium on Information Theory (ISIT) 2012, pp.2806-2810
DOI
https://dx.doi.org/10.1109/ISIT.2012.6284035
협약과제
11VI1100, 스마트 모바일 서비스를 위한 B4G 이동통신 기술 개발, 박남훈
초록
The best known outer bound on the capacity region of the two-user Gaussian interference channel is given as the intersection of regions of genie-aided outer bounds, in which a genie provides extra side information to the receivers. In this paper, we present a new outer bound that does not resort to a genie-aided channel but make use of auxiliary random variables. In order to obtain such bound, we introduce a conditional version of the worst additive noise lemma. The new bound is shown to be tighter than genie-aided bounds for certain range of parameters. © 2012 IEEE.
KSP 제안 키워드
Additive noise, Gaussian Interference Channel, Random variable, capacity region, range of parameters, side information