Mr. Adrian Lin Profile

Adrian Lin

at Univ of Texas at Austin

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Proceedings Article | 16 May 2005 Paper

Human tracking using a two-element antenna array

Adrian Lin, Hao Ling

Proceedings Volume 5788, (2005) https://doi.org/10.1117/12.603494

KEYWORDS: Doppler effect, Receivers, Radar, Transmitters, Antennas, Monte Carlo methods, Signal processing, Target detection, Error analysis, Signal generators

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We investigate the use of a low-cost, two-element receiving array for tracking human movements in indoor surveillance applications. Conventional direction of arrival (DOA) detection requires the use of an antenna array with multiple elements. Here we investigate the use of only two elements in the receiver array. The concept entails simultaneously resolving the Doppler frequencies of the returned signals from the moving targets and the DOA of the targets. Simulation is performed to demonstrate the concept. Both the monostatic and the bistatic scenario where the transmitter and the receiving array are placed at different locations are investigated. DOA errors and tolerances are analyzed for each scenario. An experimental system is constructed to test the concept. The system consists of a two-element receiver array operating at 2.4 GHz. Measurement results of various collection scenarios are presented.

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