Transmit Beamformer Design With Nonlinear Optimization

被引：0

作者：

Demir, Ozlem Tugfe ^{[1
]}

Tuncer, T. Engin ^{[1
]}

机构：

[1] Orta Dogu Tekn Univ, Elekt & Elekt Muhendisligi Bolumu, Ankara, Turkey

来源：

2013 21ST SIGNAL PROCESSING AND COMMUNICATIONS APPLICATIONS CONFERENCE (SIU) | 2013年

关键词：

Transmit Beamformer; Convex Optimization; Maxmin Formulation; Phase-only Beamformer;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Two methods for maxmin transmit beamformer design with multiple simultaneous beams are compared. Both methods involve convex optimization with semidefinite relaxation. In the proposed method, resulting beamformer is taken as an initial estimate for another optimization problem which is nonconvex and nonlinear. As a second method, a well-known procedure, randomization is used. Comparisons are made using total power and phase-only constrained beamformers. It is shown that the proposed approach performs better than randomization.

引用

页数：4

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