Multi-target localization for bistatic MIMO radar in the presence of unknown mutual coupling  

作　　者：Zhidong Zheng Jianyun Zhang Yuebo Wu 

机构地区：[1]Electronic Engineering Institute,Hefei 230037,E R.China

出　　处：《Journal of Systems Engineering and Electronics》2012年第5期708-714,共7页系统工程与电子技术（英文版）

基　　金：supported by the National Natural Science Foundation of China (60702015)

摘　　要：A decoupling-estimation signal parameters via rotarional invariance technique（ESPRIT） method is presented for multi-target localization with unknown mutual coupling in bistatic multiple-input multiple-output（MIMO） radar.Two steps are carried out in this method.The decoupling operation between angle and mutual coupling estimates is realized by choosing the auxiliary elements on both sides of the transmit and receive uniform linear arrays（ULAs）.Then the ESPRIT method is resilient against the unknown mutual coupling matrix（MCM） and can be directly utilized to estimate the direction of departure（DOD） and the direction of arrival（DOA）.Moreover,the mutual coupling coefficient is estimated by finding the solution of the linear constrained optimization problem.The proposed method allows an efficient DOD and DOA estimates with automatic pairing.Simulation results are presented to verify the effectiveness of the proposed method.A decoupling-estimation signal parameters via rotarional invariance technique（ESPRIT） method is presented for multi-target localization with unknown mutual coupling in bistatic multiple-input multiple-output（MIMO） radar.Two steps are carried out in this method.The decoupling operation between angle and mutual coupling estimates is realized by choosing the auxiliary elements on both sides of the transmit and receive uniform linear arrays（ULAs）.Then the ESPRIT method is resilient against the unknown mutual coupling matrix（MCM） and can be directly utilized to estimate the direction of departure（DOD） and the direction of arrival（DOA）.Moreover,the mutual coupling coefficient is estimated by finding the solution of the linear constrained optimization problem.The proposed method allows an efficient DOD and DOA estimates with automatic pairing.Simulation results are presented to verify the effectiveness of the proposed method.

关 键 词：bistatic multiple-input multiple-output（MIMO） radar angle estimation mutual coupling auxiliary element estimation signal parameters via rotarional invariance technique（ESPRIT） 

分 类 号：TN823.25[电子电信—信息与通信工程] TP274[自动化与计算机技术—检测技术与自动化装置]