Optimal Distributed Beamforming for MISO Interference Channels

Details Optimal Distributed Beamforming for MISO Interference Channels Optimal Distributed Beamforming for MISO Interference Channels

2010-11-17

arxiv.org/abs/1011.3890v2

Computer Science

Information Theory

7 Pages, 6 figures, extended version for the one in Proceeding of Asilomar, CA, 2010

Scientific paper

We consider the problem of quantifying the Pareto optimal boundary in the achievable rate region over multiple-input single-output (MISO) interference channels, where the problem boils down to solving a sequence of convex feasibility problems after certain transformations. The feasibility problem is solved by two new distributed optimal beamforming algorithms, where the first one is to parallelize the computation based on the method of alternating projections, and the second one is to localize the computation based on the method of cyclic projections. Convergence proofs are established for both algorithms.

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