Comparison of circular, uniform- and non uniform y-shaped array antenna for DOA estimation using music algorithm

Conference paper (2006)

Authors

M. Hajian Microwave Technology and Systems for Radar
CI Coman International Research Centre for Telecommunication and Radar
L.P. Ligthart Microwave Technology and Systems for Radar
Research Group
Microwave Technology and Systems for Radar
More Info
expand_more

Published Date

2006

Language

Undefined/Unknown

Reuse Rights

Other than for strictly personal use, it is not permitted to download, forward or distribute the text or part of it, without the consent of the author(s) and/or copyright holder(s), unless the work is under an open content license such as Creative Commons.

Research Group

Microwave Technology and Systems for Radar

Abstract

For Accurate estimation of AOA of multiple sources an antenna array can be used. In this paper a comparison between the directions finding capability of three array geometries circular array, uniform- and non-uniform Y-shaped array are presented. the center frequency is 2.25 GHz with abandwidth of 100MHz. The antenna clement is the skirt monopole. The antenna array performance is severely affected by the Mutual Coupling (MC). The direction finding capabilitiesof the Music algorithm for three arrays in then analyzed using thedata with-and without MC. It is concluded that the circular arrayoutperformed the other two array configuations. The performance of the circular array is then evluated in noisy environment. A method to calibrate the algorithm for MC is presented. The performance of the algorithms is evaluaed for different number of sources, and NSR.