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IEICE TRANSACTIONS on Fundamentals

Hybrid TOA/AOA Geometrical Positioning Schemes Using Linear Lines of Position for Mobile Location

Chien-Sheng CHEN

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Summary :

To achieve more accurate measurements of the mobile station (MS) location, it is possible to integrate many kinds of measurements. In this paper we proposed several hybrid methods that utilized time of arrival (TOA) at seven base stations (BSs) and the angle of arrival (AOA) information at the serving BS to give location estimation of the MS in non-line-of-sight (NLOS) environments. Rather than applying the nonlinear circular lines of position (LOP), the proposed methods are easier by using linear LOP to determine the MS. In addition, the proposed methods can mitigate the NLOS effect, simply by applying the weighted sum of the intersections between different linear LOP and the AOA line, without requiring priori knowledge of NLOS error statistics. Simulation results show that the proposed methods can always yield superior performance in comparison with Taylor series algorithm (TSA) and the hybrid lines of position algorithm (HLOP) and the previous proposed methods employing circular LOP.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E98-A No.8 pp.1676-1679
Publication Date
2015/08/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E98.A.1676
Type of Manuscript
Special Section LETTER (Special Section on Information and Communication Systems for Safe and Secure Life)
Category

Authors

Chien-Sheng CHEN
  Tainan University of Technology

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