Cramer-Rao bound for target velocity estimation in MIMO radar with widely separated antennas

被引：17
|
作者：
He, Qian [1 ]
Blum, Rick S. [2 ]
Godrich, Hana [3 ]
Hairnovich, Alexander M. [3 ]
机构：
[1] Univ Elect Sci & Technol China, EE Dept, Chengdu 610054, Peoples R China
[2] Lehigh Univ, Dept ECE, Bethlehem, PA 18015 USA
[3] New Jersey Inst Technol, Dept ECE, Newark, NJ 07102 USA
来源：
2008 42ND ANNUAL CONFERENCE ON INFORMATION SCIENCES AND SYSTEMS, VOLS 1-3 | 2008年
关键词：
Cramer-Rao bound; velocity estimation; ML estimate; MIMO radar; antenna placement;
D O I：
10.1109/CISS.2008.4558507
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper studies the velocity estimation performance for multiple-input multiple-output (MIMO) radar. MIMO radar employing widely dispersed antennas has an advantage in dealing with moving targets. By transmitting orthogonal waveforms MIMO radar can separate these waveforms at each receive antenna and has the ability to observe targets from different directions simultaneously. Unlike conventional radars with co-located antennas, the difficulty of processing targets with small radial velocities is avoided. In this paper, the Cramer-Rao bound is developed for velocity estimation in MIMO radar. It is shown that the antenna placement affects the estimation accuracy significantly.
引用
收藏
页码：123 / +
页数：3
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