NDLI: A novel algorithm for mobile station location estimation with none line of sight error using robust least M-estimation

Content Provider	IEEE Xplore Digital Library
Author	Zhao, S.H. Chan, S.C.
Copyright Year	2008
Description	Author affiliation: Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong (Zhao, S.H.; Chan, S.C.)
Abstract	A novel algorithm for the mobile station (MS) location estimation with none line of sight (NLOS) error in wireless network is proposed in this paper. In the proposed algorithm, the MS location estimation problem is formulated as a simple linear approximation problem in vector space with the data corrupted by the NLOS errors. The M-estimator is employed to eliminate the NLOS errors, and a recursive algorithm is developed to solve the M-estimation normal equations. Compared to the conventional algorithms, the proposed algorithm does not rely on the prior knowledge of the statistical model of the measurement noise. Another advantage is that the proposed algorithm can track the slow moment of MS due to the recursive nature, which is hardly to achieve in other algorithms. The algorithm also possesses low arithmetic complexity. Effectiveness of the proposed algorithm is verified by the numerical simulations.
Starting Page	1176
Ending Page	1179
File Size	113843
Page Count	4
File Format	PDF
ISBN	9781424416837
DOI	10.1109/ISCAS.2008.4541633
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robustness Noise measurement Additive white noise Gaussian noise Degradation Time measurement AWGN Wireless networks Equations Recursive estimation
Content Type	Text
Resource Type	Article

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