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Spherical ESPRIT-Based 2-D Direction Finding with Different Distributions of a Spherical Array Antenna

Xie, J; Marantis, L; Brennan, PV; (2009) Spherical ESPRIT-Based 2-D Direction Finding with Different Distributions of a Spherical Array Antenna. In: LAPC: 2009 Loughborough Antennas & Propagation Conference: 16-17 November 2009, Burleigh Court Conference Centre, Loughborough University, UK. (pp. 661 - 664). IEEE: Piscataway, US.

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Abstract

Some of the basic applications to benefit from the omni-directional beam steering capabilities of spherical array antennas are to be found in LEO satellite communications. Various direction finding methods can be applied using a spherical array antenna in order to estimate the direction of a signal and locate the satellite. The spherical ESPRIT algorithm is one of the main DOA estimation algorithms used with spherical arrays. It is based on the spherical phase mode excitation and it can estimate the elevation and azimuth direction angles of a wave incident on the spherical array. In this paper, the spherical ESPRIT algorithm is applied to three different distributions of a spherical array antenna (t-design distribution, the Leopardi's algorithm distribution and the spiral distribution), demonstrating low computational complexity. The simulated ESPRIT performances for the three distributions are presented, compared and discussed.

Type:Proceedings paper
Title:Spherical ESPRIT-Based 2-D Direction Finding with Different Distributions of a Spherical Array Antenna
ISBN-13:9781424427208
DOI:10.1109/LAPC.2009.5352524
Publisher version:http://dx.doi.org/10.1109/LAPC.2009.5352524
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering

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