On The Han–Kobayashi Region for theInterference Channel

Authors:
Hon-Fah Chong;M. Motani;H. K. Garg;H. El Gamal
Affiliations:
Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore;-;-;-
Venue:
IEEE Transactions on Information Theory
Year:
2008

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Abstract

In this correspondence, we derive a simplified description of the Han-Kobayashi rate region for the general interference channel. Using this result, we establish that the recently discovered Chong-Motani-Garg rate region is a new representation of the Han-Kobayashi region. Moreover, a tighter bound for the cardinality of the time-sharing auxiliary random variable emerges from our simplified description.