Phase-Coded FMCW for Coherent MIMO Radar

被引：7
|
作者：
Kumbul, Utku [1 ]
Petrov, Nikita [2 ,3 ]
Vaucher, Cicero S. [2 ,3 ]
Yarovoy, Alexander
机构：
[1] Delft Univ Technol, Fac Elect Engn Math & Comp Sci, Microwave Sensing Syst & Signals MS3 Grp, NL-2628 CD Delft, Netherlands
[2] NXP Semicond N V, NL-5656 AG Eindhoven, Netherlands
[3] Delft Univ Technol, Dept Microelect, NL-2628 CD Delft, Netherlands
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2023年 / 71卷 / 06期
关键词：
Linear frequency modulation (LFM); multiple-input multiple-output (MIMO); phase-modulated chirps; radar signal processing; WAVE-FORM; SYSTEMS;
D O I：
10.1109/TMTT.2022.3228950
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：
The phase-coded linear-frequency-modulated continuous-wave (PC-FMCW) waveform with a low sampling processing strategy is studied for coherent multiple-input multiple-output (MIMO) radar. The PC-FMCW MIMO structure, which jointly uses both fast-time and slow-time coding, is proposed to reduce sidelobe levels while preserving high range resolution, unambiguous velocity, good Doppler tolerance, and low sampling needs. The sensing performance and practical aspects of the introduced PC-FMCW MIMO structure are evaluated theoretically and verified experimentally. The numerical simulations and experiments demonstrate that the proposed MIMO keeps the advantages of the linear-frequency-modulated continuous-wave (LFMCW) waveform, including computational efficiency and low sampling demands, while having the ability to provide low sidelobe levels with simultaneous transmission.
引用
收藏
页码：2721 / 2733
页数：13
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