IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508
Regular Section
Mobile Location Using Improved Covariance Shaping Least-Squares Estimation in Cellular Systems
Ann-Chen CHANGYu-Hong LEE
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2009 Volume E92.A Issue 9 Pages 2366-2368

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Abstract

This Letter deals with the problem of non-line-of-sight (NLOS) in cellular systems devoted to location purposes. In conjugation with a variable loading technique, we present an efficient technique to make covariance shaping least squares estimator has robust capabilities against the NLOS effects. Compared with other methods, the proposed improved estimator has high accuracy under white Gaussian measurement noises and NLOS effects.

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© 2009 The Institute of Electronics, Information and Communication Engineers
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