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Performance Analysis and Simulation of DOA Estimation Algorithm

Qiu Guo-fang, Pla Presentation

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Abstract

DOA (direction of arrival) estimation is realized by using antenna array to estimate the arrival direction of space signal source. In 2-dimension surface, the included angle between arrival direction and array line is defined as DOA direction. According to this, the basic math model of array signal processing is also defined. The non-parameter method used for evaluating the DOA includes Bartlett, Capon, and MUSIC. The simulation proves that the MUSIC is the best in evaluation accuracy, Capon is the second, and the Bartlett is the worst.

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What this paper is about

DOA (direction of arrival) estimation is realized by using antenna array to estimate the arrival direction of space signal source. In 2-dimension surface, the included angle between arrival direction and array line is defined as DOA direction. According to this, the basic math model of array signal processing is also defined. The non-parameter method used for evaluating the DOA includes Bartlett, Capon, and MUSIC. The simulation proves that the MUSIC is the best in evaluation accuracy, Capon is the second, and the Bartlett is the worst.

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Available abstract

DOA (direction of arrival) estimation is realized by using antenna array to estimate the arrival direction of space signal source. In 2-dimension surface, the included angle between arrival direction and array line is defined as DOA direction. According to this, the basic math model of array signal processing is also defined. The non-parameter method used for evaluating the DOA includes Bartlett, Capon, and MUSIC. The simulation proves that the MUSIC is the best in evaluation accuracy, Capon is the second, and the Bartlett is the worst.

Key concepts: Capon, Direction of arrival, Algorithm, SIGNAL (programming language), Multiple signal classification, Dimension (graph theory), Antenna array, Signal processing

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