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2010•Computer Knowledge and TechnologyRequires access

Study on Mobile Station Positioning Algorithm of Anti-NLOS

Zhang Zheng-huai

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Abstract

The hybrid algorithm of TDOA/AOA has better location accuracy than Chan algorithm under the CDMAnetwork,butwith the fall ofAOAps accuracy,the location accuracywill drop gradually,andmay below the Chanps. In this paper,a time difference of arrival (TDOA) location algorithm is extended to a TDOA/ AOA hybrid location algo2rithm which can not only inherit the good performance of the original algorithm ,but also improve the location accuracy by making full use of the AOA measurement. Simulations showed that the performance of the proposed tracking method was better than the TDOA tracking method.

About this research paper

What this paper is about

The hybrid algorithm of TDOA/AOA has better location accuracy than Chan algorithm under the CDMAnetwork,butwith the fall ofAOAps accuracy,the location accuracywill drop gradually,andmay below the Chanps. In this paper,a time difference of arrival (TDOA) location algorithm is extended to a TDOA/ AOA hybrid location algo2rithm which can not only inherit the good performance of the original algorithm ,but also improve the location accuracy by making full use of the AOA measurement. Simulations showed that the performance of the proposed tracking method was better than the TDOA tracking method.

Why it matters

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Key contribution

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Method / approach

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Main findings

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Available abstract

The hybrid algorithm of TDOA/AOA has better location accuracy than Chan algorithm under the CDMAnetwork,butwith the fall ofAOAps accuracy,the location accuracywill drop gradually,andmay below the Chanps. In this paper,a time difference of arrival (TDOA) location algorithm is extended to a TDOA/ AOA hybrid location algo2rithm which can not only inherit the good performance of the original algorithm ,but also improve the location accuracy by making full use of the AOA measurement. Simulations showed that the performance of the proposed tracking method was better than the TDOA tracking method.

Key concepts: Multilateration, Non-line-of-sight propagation, Computer science, Algorithm, Angle of arrival, FDOA, Tracking (education), Time of arrival

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