IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516
Regular Section
A Minimal Leakage Beamforming Algorithm Using Codebook for Multiuser MIMO Systems
Wen-gang LIKe-chu YIBin TIAN
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2009 Volume E92.B Issue 11 Pages 3508-3511

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Abstract

A multiuser beamforming algorithm using codebook is proposed in this letter to reduce inter-user interference and improve the throughput of the downlink of multiuser MIMO systems. Basing on the minimal leakage criterion, we combine the codebook selection, limited feedforward and MMSE detection method in the new proposed algorithm. It not only improves the performance of systems, but also reduces the computational complexity at transmitter. Simulation results shows that the proposed algorithm has better performance than conventional beamforming methods.

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© 2009 The Institute of Electronics, Information and Communication Engineers
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