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IEICE TRANSACTIONS on Information

Time Difference Estimation Based on Blind Beamforming for Wideband Emitter

Sen ZHONG, Wei XIA, Lingfeng ZHU, Zishu HE

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Summary :

In the localization systems based on time difference of arrival (TDOA), multipath fading and the interference source will deteriorate the localization performance. In response to this situation, TDOA estimation based on blind beamforming is proposed in the frequency domain. An additional constraint condition is designed for blind beamforming based on maximum power collecting (MPC). The relationship between the weight coefficients of the beamformer and TDOA is revealed. According to this relationship, TDOA is estimated by discrete Fourier transform (DFT). The efficiency of the proposed estimator is demonstrated by simulation results.

Publication
IEICE TRANSACTIONS on Information Vol.E98-D No.7 pp.1386-1390
Publication Date
2015/07/01
Publicized
2015/04/13
Online ISSN
1745-1361
DOI
10.1587/transinf.2015EDL8001
Type of Manuscript
LETTER
Category
Dependable Computing

Authors

Sen ZHONG
  University of Electronic Science and Technology of China
Wei XIA
  University of Electronic Science and Technology of China
Lingfeng ZHU
  University of Electronic Science and Technology of China
Zishu HE
  University of Electronic Science and Technology of China

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