Selfishness and altruism on the MISO interference channel: the case of partial transmitter CSI

Authors:
Johannes Lindblom;Eleftherios Karipidis;Erik G. Larsson
Affiliations:
Division of Communication Systems, Department of Electrical Engineering (ISY), Linköping University, Linköping, Sweden;Division of Communication Systems, Department of Electrical Engineering (ISY), Linköping University, Linköping, Sweden;Division of Communication Systems, Department of Electrical Engineering (ISY), Linköping University, Linköping, Sweden
Venue:
IEEE Communications Letters
Year:
2009

Citing 2
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Abstract

We study the achievable ergodic rate region of the two-user multiple-input single-output interference channel, under the assumptions that the receivers treat interference as additive Gaussian noise and the transmitters only have statistical channel knowledge. Initially, we provide a closed-form expression for the ergodic rates and derive the Nash-equilibrium and zero-forcing transmit beamforming strategies. Then, we shows that combinations of the aforementioned selfish and altruistic, respectively, strategies achieve Pareto-optimal rate pairs.