The two-user compound interference channel

Authors:
Adnan Raja;Vinod M. Prabhakaran;Pramod Viswanath
Affiliations:
Department of Electrical and Computer Engineering, and the Coordinated Science Laboratory at the University of Illinois of Illinois at Urbana-Champaign, Urbana, IL;Department of Electrical and Computer Engineering, and the Coordinated Science Laboratory at the University of Illinois of Illinois at Urbana-Champaign, Urbana, IL;Department of Electrical and Computer Engineering, and the Coordinated Science Laboratory at the University of Illinois of Illinois at Urbana-Champaign, Urbana, IL
Venue:
IEEE Transactions on Information Theory
Year:
2009

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Abstract

We introduce the two-user finite state compound interference channel. The main contributions involve both novel inner and outer bounds. For the Gaussian case, we characterize its capacity region to within one bit. The inner bound is multilevel superposition coding but the decoding of the levels is opportunistic, depending on the channel state. The genie aided outer bound is motivated by the typical error events of the achievable scheme.