An Efficient Interpolation Based Two-Step Time Delay Estimation Method

被引：0
|
作者：
Wen, Fuxi [1 ]
Liu, Wei [1 ]
Lu, Xiaochun [2 ]
机构：
[1] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S10 2TH, S Yorkshire, England
[2] Chinese Acad Sci, Natl Time Serv Ctr, Xian, Peoples R China
来源：
2015 IEEE INTERNATIONAL CONFERENCE ON DIGITAL SIGNAL PROCESSING (DSP) | 2015年
关键词：
Time delay estimation; interpolation; Direction of arrival estimation; global navigation satellite system (GNSS); LOCALIZATION; ALGORITHM;
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：
Time delay estimation (TDE) is an important topic in multichannel signal processing, which has been widely used for global navigation satellite systems (GNSSs), wideband direction of arrival (DOA) estimation, tracking and localization. In this paper, we propose an efficient and low-complexity interpolation based two-step TDE method. The optimum time delay is obtained by interpolation using three points and grid search is not required. Computer simulations show that its performance is comparable to the Cramer-Rao Lower Bound (CRLB) and outperforms two existing methods in terms of running time.
引用
收藏
页码：931 / 934
页数：4
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