NDLI: Optimal sensor placement for multi-source AOA localisation with distance-dependent noise model

Content Provider	IET Digital Library
Author	Hamdollahzadeh, Mohammad Amiri, Rouhollah Behnia, Fereidoon
Abstract	In this study, the optimal sensor placement problem for multi-source angle of arrival localisation is investigated. The authors adopt the A-optimality criterion, maximising the trace of Fisher information matrix, to determine the optimal sensor-target geometry under distance-dependent Gaussian noise model. A recursive representation of the Cramer-Rao lower bound is derived to recast the sensor placement problem into a sequential method, obtaining the optimal sensor geometries in a step by step manner. Note that the state-of-the-art methods are highly sensitive to the source location changes such that they should be relocated by any later changes in target geometries, which is practically impossible in systems with stationary receivers (such as radars). The proposed sequential method can circumvent this drawback by changing only one flexible sensor position rather than the whole geometry of the sensors. Numerical simulations are included to corroborate the theoretical results and determine the cost of such flexibility and robustness on the localisation performance.
Starting Page	881
Ending Page	891
Page Count	11
ISSN	17518784
Volume Number	13
e-ISSN	17518792
Issue Number	Issue 6, Jun (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rsn/13/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rsn.2018.5426
Journal	IET Radar, Sonar & Navigation
Publisher Date	2019-01-22
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	A-optimality Criterion Cramer-Rao Lower Bound Direction of Arrival Estimation Distance-dependent Gaussian Noise Model Distance-dependent Noise Model Fisher Information Matrix Flexible Sensor Position Gaussian Noise Linear Algebra Localisation Performance Matrix Algebra Multisource Angle of Arrival Localisation Multisource AOA Localisation Numerical Analysis Optimal Sensor Geometries Optimal Sensor Placement Problem Optimal Sensor-target Geometry Recursive Representation Sensor Placement Sequential Method Signal Processing And Detection Source Location Changes Statistics Target Geometries Wireless Sensor Network
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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