Decentralized Target Rate Optimization for MU-MIMO Leakage Based Precoding


Tim Rüegg, Marc Kuhn, and Armin Wittneben


Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, USA, Nov. 2014.

DOI: 10.1109/ACSSC.2014.7094669

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In this paper we propose a decentralized target rate precoding for multi-user multiple-input multiple-output down- link setups. The precoding is optimized for each link separately with respect to the transmit and leakage power. This allows to control the interference and to design the precoding flexibly with respect to energy efficiency and outage minimization. A closed form solution for the optimization is presented and thorough analysis on the interdependency of the transmit and leakage power is provided. The proposed precoding is tested in numerical simulations.


target rate, MU-MIMO, leakage, precoding

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