Computer Science – Information Theory
Scientific paper
2011-05-24
Computer Science
Information Theory
Submitted to IEEE Transactions on Signal Processing (May 2011), 6 pages, 5 figures
Scientific paper
In this paper, we study the performance region of a general multicell scenario with multiantenna transmitters and low-complexity receivers that treat interference as noise and have a single effective antenna. The Pareto boundary of this region describes all efficient resource allocations, but is generally hard to compute. Herein, we propose a novel explicit characterization that gives Pareto optimal transmit strategies using a set of parameters from the interval zero to one - fewer than in prior work. We also make a multicell extension of prior work on implicit characterizations that require even fewer parameters and guarantees to find the Pareto boundary for every choice of parameters, but at the expense of solving quasi-convex problems. The merits of the two characterizations are illustrated for interference channels and for ideal network multiple-input multiple-output (MIMO).
Bengtsson Mats
Björnson Emil
Ottersten Bjorn
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