The Capacity of the Semi-Deterministic Cognitive Interference Channel and Its Application to Constant Gap Results for the Gaussian Channel

Abstract

The cognitive interference channel (C-IFC) consists of a classical two-user interference channel in which the message of one user (the "primary" user) is non-causally available at the transmitter of the other user (the "cognitive" user). We obtain the capacity of the semi-deterministic C-IFC: a discrete memoryless C-IFC in which the cognitive receiver… (More)
DOI: 10.1109/icc.2011.5963474

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