Analysis and Research of Mobile Station Location Based on NLOS Error

Yan Ying Xu; Song Jian Bao; Yu Lin Wang

doi:10.4028/www.scientific.net/AMM.713-715.1460

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 713-715Analysis and Research of Mobile Station Location...

Analysis and Research of Mobile Station Location Based on NLOS Error

Abstract:

Existed in the work of wireless positioning error, the need to suppress NLOS (Non line of sight) transmission problem of positioning the bad influence of the NLOS system model is put forward and the novel geometric positioning model, the introduction of appropriate NLOS channels model to suppress NLOS error, and make full use of the propagation characteristics of derived meet MS (Mobile Station) coordinates equation, with two NLOS paths can only calculate the position of MS, and using only a single base Station can complete the MS positioning, overcome the base Station number too little to pinpoint the flaws of the MS. This paper also gives a method of least squares and maximum likelihood algorithm, using the NLOS paths to improve the positioning accuracy. So as to realize the movement of the MS in NLOS environment position tracking. Through the theoretical analysis and computer simulation analysis, the results show that the positioning method in NLOS environment on the effectiveness and accuracy of the MS positioning.

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Periodical:

Applied Mechanics and Materials (Volumes 713-715)

Pages:

1460-1464

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.713-715.1460

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Online since:

January 2015

Authors:

Yan Ying Xu*, Song Jian Bao, Yu Lin Wang

Keywords:

Algorithm, Geometric Model, Position, Positioning Error, Rate

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* - Corresponding Author

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