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IEICE TRANSACTIONS on Communications

An Improved Closed-Form Method for Moving Source Localization Using TDOA, FDOA, Differential Doppler Rate Measurements

Zhixin LIU, Dexiu HU, Yongsheng ZHAO, Yongjun ZHAO

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Summary :

This paper proposes an improved closed-form method for moving source localization using time difference of arrival (TDOA), frequency difference of arrival (FDOA) and differential Doppler rate measurements. After linearizing the measurement equations by introducing three additional parameters, a rough estimate is obtained by using the weighted least-square (WLS) estimator. To further refine the estimate, the relationship between additional parameters and source location is utilized. The proposed method gives a final closed-form solution without iteration or the extra mathematics operations used in existing methods by employing the basic idea of WLS processing. Numerical examples show that the proposed method exhibits better robustness and performance compared with several existing methods.

Publication
IEICE TRANSACTIONS on Communications Vol.E102-B No.6 pp.1219-1228
Publication Date
2019/06/01
Publicized
2018/12/03
Online ISSN
1745-1345
DOI
10.1587/transcom.2018EBP3249
Type of Manuscript
PAPER
Category
Sensing

Authors

Zhixin LIU
  National Digital Switching System Engineering and Technological Research Center (NDSC)
Dexiu HU
  National Digital Switching System Engineering and Technological Research Center (NDSC)
Yongsheng ZHAO
  National Digital Switching System Engineering and Technological Research Center (NDSC)
Yongjun ZHAO
  National Digital Switching System Engineering and Technological Research Center (NDSC)

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