Optimization of Codes and Weighting Functions for Binary Phase-Coded FMCW MIMO Radars

被引：0
|
作者：
Feger, Reinhard [1 ]
Haderer, Heinz [1 ]
Stelzer, Andreas [1 ]
机构：
[1] Johannes Kepler Univ Linz, Inst Commun Engn & RF Syst, A-4040 Linz, Austria
来源：
2016 IEEE MTT-S INTERNATIONAL CONFERENCE ON MICROWAVES FOR INTELLIGENT MOBILITY (ICMIM) | 2016年
关键词：
MIMO radar; chirp modulation; array signal processing;
D O I：
暂无
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：
Binary phase coding is a promising technique to realize multiple-input multiple-output radars. However, for the case of frequency-modulated continuous-wave radars, using well-known orthogonal codes for transmit (TX) signal separation in the receiver does not lead to optimal results. In this work, we therefore present a two-step optimization approach to determine binary sequences and filter weights that allow implementing TX signal separation by means of digital signal processing in the receiver. The presented technique is verified in simulations using modulation sequences with 32 chips. Despite the very short codes, a suppression of unwanted signal components better than 10 dB is achieved.
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页数：4
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