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A Maneuvering Uniform Circular Array of Directional Sensors for Improved Source Localization Accuracy | IEEE Journals & Magazine | IEEE Xplore

A Maneuvering Uniform Circular Array of Directional Sensors for Improved Source Localization Accuracy


Abstract:

Uniform circular arrays require a minimum number of directional sensors to ensure identical estimation accuracy at all possible directions-of-arrival. We study smaller un...Show More

Abstract:

Uniform circular arrays require a minimum number of directional sensors to ensure identical estimation accuracy at all possible directions-of-arrival. We study smaller uniform circular arrays and compensate for the loss in accuracy (Cramer-Rao bound) by a proper array orientation. We calculate, in a closed-form manner and based on the available source prior, the best (Fisher information maximizing) array direction. This scheme is suitable to autonomous unmanned vehicles who have maneuvering capabilities and accommodate minimally-sized arrays.
Published in: IEEE Transactions on Aerospace and Electronic Systems ( Volume: 54, Issue: 3, June 2018)
Page(s): 1545 - 1554
Date of Publication: 13 November 2017

ISSN Information:


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