An improved 2-D ESPRIT method for joint DOA-delay estimation

被引：0

作者：

Qian, Bin ^{[1
]}

Yang, Wanlin ^{[1
]}

Wan, Qun ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Elect Engn, Chengdu 610054, Sichuan, Peoples R China

来源：

2007 INTERNATIONAL CONFERENCE ON COMMUNICATIONS, CIRCUITS AND SYSTEMS PROCEEDINGS, VOLS 1 AND 2: VOL 1: COMMUNICATION THEORY AND SYSTEMS; VOL 2: SIGNAL PROCESSING, COMPUTATIONAL INTELLIGENCE, CIRCUITS AND SYSTEMS | 2007年

基金：

中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

For the purpose of estimating DOAs and delays of multipath signals, a novel improved 2-dimensional (2-D) ESPRIT is proposed. The improved method estimates the joint space-time signal subspace firstly. Then FFT and deconvolution is done to map time delay parameters into frequency phase shifts and a modified joint signal subspace is constructed. At last DOAs and delays are estimated by using rotational invariance property. Compared with traditional 2-D ESPRIT method, the method we proposed here can prevent the correlated noise problem when FFT is done to estimated channel directly. Simulation results show the effectiveness of the improved method.

引用

页码：129 / +

页数：2

共 5 条

[1]

LIN JT, 2003, IEEE C AC SPEE SIG H, V5, P193

[2] Joint angle and delay estimation using shift-invariance techniques [J].

van der Veen, AJ ;

Vanderveen, MC ;

Paulraj, A .

IEEE TRANSACTIONS ON SIGNAL PROCESSING, 1998, 46 (02) :405-418

[3]

Vanderveen M. C., 1996, P 30 AS C SIG SYS CO, P1250

[4] TST-MUSIC for joint DOA-delay estimation [J].

Wang, YY ;

Chen, JT ;

Fang, WH .

IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2001, 49 (04) :721-729

[5] Joint estimation of time delays and directions of arrival of multiple reflections of a known signal [J].

Wax, M ;

Leshem, A .

IEEE TRANSACTIONS ON SIGNAL PROCESSING, 1997, 45 (10) :2477-2484

← 1 →