Mutual information-based constant-modulus waveform design for multiple-input-multiple-output radar in spectrally crowded environment

被引：2
作者：
Wang, Xuyang [1 ]
Tang, Bo [1 ]
Li, Da [1 ]
Wu, Wenjun [1 ]
机构：
[1] Natl Univ Def Technol, Coll Elect Engn, Hefei 230037, Peoples R China
来源：
IET RADAR SONAR AND NAVIGATION | 2023年 / 17卷 / 04期
基金：
中国国家自然科学基金;
关键词：
alternating direction method of multipliers (ADMM); constant-modulus; MIMO radar; minorisation-maximisation (MM); mutual information; spectrally crowded environment; waveform design; MIMO RADAR; BEAMPATTERN DESIGN; COGNITIVE RADAR; COLORED NOISE; OPTIMIZATION; TRANSMIT; CONSTRAINTS; CLUTTER; FILTER;
D O I：
10.1049/rsn2.12373
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 study considers designing constant-modulus waveforms for multiple-input-multiple-output radar in spectrally crowded environment. The mutual information is used as the waveform design metric. A constant-modulus constraint is imposed on the waveforms to improve the hardware efficiency. To enhance the spectral compatibility of the transmit waveforms, a precise control on the interference energy produced on each reserved bandwidth is considered. To tackle the multi-spectrally constrained waveform design problem, a minorisation-maximisation based method is developed, and a quadratic function to minorise the objective function is derived. Then an alternating direction method of multipliers is used to tackle the quadratically constrained quadratic programming problem at each iteration. The effectiveness of the presented algorithm is demonstrated via simulation results.
引用
收藏
页码：719 / 731
页数：13
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