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2008•Journal of Xidian UniversityRequires access

Effective TDOA/AOA data fusion location algorithm for mitigating the influence of the NLOS propagation

Baojun Zhang

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Abstract

A time difference of arrival/angle of arrival(TDOA/AOA) data fusion location algorithm is proposed.The RBF neural network is made use of to correct the measurement of TDOA to mitigate the effect of the non-line-of-sight(NLOS) propagation,then the position of MS is calculated by the TDOA location algorithm and AOA location algorithm,and finally the position of MS is determined by the weighted average of TDOA and AOA location results.Simulation results indicate that this algorithm can significantly improve the location accuracy and reliability under suburban,urban and bad urban environments.

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What this paper is about

A time difference of arrival/angle of arrival(TDOA/AOA) data fusion location algorithm is proposed.The RBF neural network is made use of to correct the measurement of TDOA to mitigate the effect of the non-line-of-sight(NLOS) propagation,then the position of MS is calculated by the TDOA location algorithm and AOA location algorithm,and finally the position of MS is determined by the weighted average of TDOA and AOA location results.Simulation results indicate that this algorithm can significantly improve the location accuracy and reliability under suburban,urban and bad urban environments.

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Available abstract

A time difference of arrival/angle of arrival(TDOA/AOA) data fusion location algorithm is proposed.The RBF neural network is made use of to correct the measurement of TDOA to mitigate the effect of the non-line-of-sight(NLOS) propagation,then the position of MS is calculated by the TDOA location algorithm and AOA location algorithm,and finally the position of MS is determined by the weighted average of TDOA and AOA location results.Simulation results indicate that this algorithm can significantly improve the location accuracy and reliability under suburban,urban and bad urban environments.

Key concepts: Multilateration, Non-line-of-sight propagation, FDOA, Angle of arrival, Computer science, Position (finance), Algorithm, Reliability (semiconductor)

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Effective TDOA/AOA data fusion location algorithm for mitigating the influence of the NLOS propagation — Research Paper | ScholarLens