Robust constrained waveform design for MIMO radar with uncertain steering vectors

被引:8
作者
Yu, Xianxiang [1 ]
Cui, Guolong [1 ]
Piezzo, Marco [2 ]
Iommelli, Salvatore [3 ]
Kong, Lingjiang [1 ]
机构
[1] Univ Elect Sci & Technol China, Sch Elect Engn, 2006 Xi Yuan Ave, Chengdu, Peoples R China
[2] Elettron SpA, Via Tiburtina Valeria Km 13,700, I-00131 Rome, Italy
[3] Ente Formaz Profess Maxwell, Via GA Campano 103-105, I-80145 Naples, Italy
基金
中国国家自然科学基金;
关键词
Robust waveform design; Multiple-input multiple-output (MIMO); Signal-dependent interferences; Signal-to-interference-plus-noise ratio (SINR); Waveform covariance matrix; Constant modulus and similarity constraints; RECEIVE FILTER; SIGNAL; CODE; OPTIMIZATION;
D O I
10.1186/s13634-016-0437-9
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
This paper considers the robust waveform design of multiple-input multiple-output (MIMO) radar to enhance targets detection in the presence of signal-dependent interferences assuming the knowledge of steering vectors is imprecise. Specifically, resorting to semidefinite programming (SDP)-related technique, we first maximize the worst-case signal-to-interference-plus-noise ratio (SINR) over uncertain region to optimize waveform covariance matrix forcing a uniform elemental power requirement. Then, based on least square (LS) approach, we devise the waveform accounting for constant modulus and similarity constraints by the obtained waveform covariance matrix using cyclic algorithm (CA). Finally, we assess the effectiveness of the proposed technique through numerical simulations in terms of non-uniform point-like clutter and uniform clutter.
引用
收藏
页数:11
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