Analysis for reference sensor selection in time difference of arrival-based localisation

Target localisation methods using time difference of arrival measurements have to handle the correlated measurement noises caused by the common reference sensor. The noise correlation, as well as the reference sensor selection, impacts the Cramer–Rao lower bound and the target tracking result. This...

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Bibliographic Details
Published in:Electronics letters 2018-12, Vol.54 (25), p.1454-1456
Main Authors: Xie, Y, Lee, J.H, Song, T.L
Format: Article
Language:English
Subjects:
correlated measurement noises
Cramer–Rao lower bound
noise correlation
noise measurement
reference sensor selection
sensors
Signal processing
target localisation methods
target tracking
time difference of arrival measurements
time difference of arrival‐based localisation
time measurement
time‐of‐arrival estimation
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Summary:Target localisation methods using time difference of arrival measurements have to handle the correlated measurement noises caused by the common reference sensor. The noise correlation, as well as the reference sensor selection, impacts the Cramer–Rao lower bound and the target tracking result. This Letter proposes two theorems to analyse the effects of reference sensor selection theoretically. Simulation results validate the correctness of the proposed theorems.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2018.6151