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