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

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3 Author(s)
Lindblom, J. ; Dept. of Electr. Eng. (ISY), Linkoping Univ., Linkoping, Sweden ; Karipidis, E. ; Larsson, E.G.

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 show that combinations of the aforementioned selfish and altruistic, respectively, strategies achieve Pareto-optimal rate pairs.

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Communications Letters, IEEE  (Volume:13 ,  Issue: 9 )