Parameterization of the MISO IFC rate region: the case of partial channel state information

Authors:
Johannes Lindblom;Erik G. Larsson;Eduard A. Jorswieck
Affiliations:
Linköping University, Dept. of Electrical Engineering, Linköping, Sweden;Linköping University, Dept. of Electrical Engineering, Linköping, Sweden;Dresden University of Technology, Communications Laboratory, Communication Theory, Dresden, Germany
Venue:
IEEE Transactions on Wireless Communications
Year:
2010

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Abstract

We study the achievable rate region of the multiple-input single-output (MISO) interference channel (IFC), under the assumption that all receivers treat the interference as additive Gaussian noise. We assume the case of two users, and that the channel state information (CSI) is only partially known at the transmitters. Our main result is a characterization of Pareto-optimal transmit strategies, for channel matrices that satisfy a certain technical condition. Numerical examples are provided to illustrate the theoretical results.