Semidefinite Relaxation Algorithm for Multisource Localization Using TDOA Measurements with Range Constraints
Joint Authors
Wang, Ding
Yin, Jiexin
Wang, Yunlong
Jia, Changgui
Zhang, Li
Source
Wireless Communications and Mobile Computing
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-06-28
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Information Technology and Computer Science
Abstract EN
Multiple sources localization based on time difference of arrival (TDOA) measurements is investigated in this paper.
Different from the traditional methods, a novel and practical multisource localization algorithm is proposed by adopting a priori information of relative distance among emitting sources.
Since the maximum likelihood (ML) cost function for multisource estimation is highly nonconvex, the semidefinite relaxation (SDR) is utilized to reformulate the ML cost function.
A robust estimator is obtained, which can be solved by semidefinite programming (SDP).
Moreover, the constrained Cramér-Rao bound is also derived as a benchmark by considering the range constraints between sources.
Simulation results verify the superior performance of the proposed algorithm over the traditional methods.
American Psychological Association (APA)
Jia, Changgui& Yin, Jiexin& Wang, Ding& Wang, Yunlong& Zhang, Li. 2018. Semidefinite Relaxation Algorithm for Multisource Localization Using TDOA Measurements with Range Constraints. Wireless Communications and Mobile Computing،Vol. 2018, no. 2018, pp.1-9.
https://search.emarefa.net/detail/BIM-1216397
Modern Language Association (MLA)
Jia, Changgui…[et al.]. Semidefinite Relaxation Algorithm for Multisource Localization Using TDOA Measurements with Range Constraints. Wireless Communications and Mobile Computing No. 2018 (2018), pp.1-9.
https://search.emarefa.net/detail/BIM-1216397
American Medical Association (AMA)
Jia, Changgui& Yin, Jiexin& Wang, Ding& Wang, Yunlong& Zhang, Li. Semidefinite Relaxation Algorithm for Multisource Localization Using TDOA Measurements with Range Constraints. Wireless Communications and Mobile Computing. 2018. Vol. 2018, no. 2018, pp.1-9.
https://search.emarefa.net/detail/BIM-1216397
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1216397