Optimal range-difference-based localization considering geometrical constraints

Bishop, A.N., Fidan, B., Anderson, B.D.O., Dogancay, K. and Pathirana, P. 2008, Optimal range-difference-based localization considering geometrical constraints, IEEE Journal of Oceanic Engineering, vol. 33, no. 3, pp. 289-301, doi: 10.1109/JOE.2008.926960.

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Title Optimal range-difference-based localization considering geometrical constraints
Author(s) Bishop, A.N.
Fidan, B.
Anderson, B.D.O.
Dogancay, K.
Pathirana, P.ORCID iD for Pathirana, P. orcid.org/0000-0001-8014-7798
Journal name IEEE Journal of Oceanic Engineering
Volume number 33
Issue number 3
Start page 289
End page 301
Total pages 13
Publisher IEEE Journal of Oceanic Engineering
Place of publication N.Y., N.Y.
Publication date 2008-07
ISSN 0364-9059
Keyword(s) localization
range difference
sensor networks
target tracking
time-difference-of-arrival (TDOA)
Summary This paper proposes a new type of algorithm aimed at finding the traditional maximum-likelihood (TML) estimate of the position of a target given time-difference-of-arrival (TDOA) information, contaminated by noise. The novelty lies in the fact that a performance index, akin to but not identical with that in maximum likelihood (ML), is a minimized subject to a number of constraints, which flow from geometric constraints inherent in the underlying problem. The minimization is in a higher dimensional space than for TML, and has the advantage that the algorithm can be very straightforwardly and systematically initialized. Simulation evidence shows that failure to converge to a solution of the localization problem near the true value is less likely to occur with this new algorithm than with TML. This makes it attractive to use in adverse geometric situations.
Language eng
DOI 10.1109/JOE.2008.926960
Field of Research 080503 Networking and Communications
Socio Economic Objective 861799 Communication Equipment not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2008
Copyright notice ©2009, IEEE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30017968

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