Adaptive Wideband Beamforming with Mainlobe Control Using Iterative Second-Order Cone Programming

被引：0
|
作者：
Li, Jie [1 ]
Wei, Gang [1 ]
机构：
[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou, Guangdong, Peoples R China
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2012年 / E95B卷 / 10期
关键词：
wideband beamformer; constraints on mainlobe response; second-order cone programming (SOCP); frequency invariance property;
D O I：
10.1587/transcom.E95.B.3290
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：
A wideband beamformer with mainlobe control is proposed. To make the beamformer robust against pointing errors, inequality rather than equality constraints are used to restrict the mainlobe response, thus more degrees of freedom are saved. The constraints involved are nonconvex, therefore are linearly approximated so that the beamformer can be obtained by iterating a second-order cone program. Moreover, the response variance element is introduced to achieve a frequency invariant beamwidth. The effectiveness of the technique is demonstrated by numerical examples.
引用
收藏
页码：3290 / 3293
页数：4
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