Tightness of Semidefinite Programming Relaxation to Robust Transmit Beamforming with SINR Constraints

This paper considers a multiuser transmit beamforming problem under uncertain channel state information (CSI) subject to SINR constraints in a downlink multiuser MISO system. A robust transmit beamforming formulation is proposed. This robust formulation is to minimize the transmission power subject...

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Bibliographic Details
Main Authors: Yanjun Wang, Ruizhi Shi
Format: Article
Language:English
Published: Hindawi Limited 2013-01-01
Series:Mathematical Problems in Engineering
Online Access:http://dx.doi.org/10.1155/2013/508014

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