W-Band Time-Domain Multiplexing FMCW MIMO Radar for Far-Field 3-D Imaging

被引：140

作者：

Bleh, Daniela ^{[1
]}

Roesch, Markus ^{[1
]}

Kuri, Michael ^{[1
]}

Dyck, Alexander ^{[1
]}

Tessmann, Axel ^{[1
]}

Leuther, Arnulf ^{[1
]}

Wagner, Sandrine ^{[1
]}

Weismann-Thaden, B. ^{[1
]}

Stulz, H. -P. ^{[1
]}

Zink, Martin ^{[1
]}

Riessle, M. ^{[1
]}

Sommer, R. ^{[2
]}

Wilcke, J. ^{[2
]}

Schlechtweg, M. ^{[1
]}

Yang, B. ^{[3
]}

Ambacher, Oliver ^{[1
]}

机构：

[1] Fraunhofer Inst Appl Solid State Phys, D-79108 Freiburg, Germany

[2] Fraunhofer Inst High Frequency Phys & Radar Techn, D-53343 Wachtberg, Germany

[3] Univ Stuttgart, Inst Signal Proc & Syst Theory, D-70174 Stuttgart, Germany

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2017年 / 65卷 / 09期

关键词：

Millimeter wave radar; multiple input multiple output (MIMO) radar; radar imaging; radar system; sparse array optimization; SYSTEM; ARRAYS;

D O I：

10.1109/TMTT.2017.2661742

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：

In this paper, a radar demonstrator system with real-time capability operating at W-band is presented. It operates at 90-100 GHz and provides 3-D information about the illuminated scene. The system uses frequency modulated continuous wave signals to extract range information whereupon long-range applications are aimed at. It consists of a sparse array of 22 transmitting and 22 receiving antennas and makes use of the multiple input multiple output (MIMO) principle. A back-propagation algorithm provides cross-range information. With the help of simulations and a simulated annealing algorithm, the geometry of the sparse array is optimized to meet application requirements using the available hardware. In this paper, the demonstrator system is described and the imaging theory is shortly reviewed. Measurements are presented to verify simulation results as well as 3-D imaging and long-range capability.

引用

页码：3474 / 3484

页数：11

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