Sectorized calibration of an ESPAR antenna for CUBA-MUSIC direction of arrival estimation

Author

Sun, Chen ; Hirata, Akifumi ; Shimizu, Tatsuya ; Ohira, Takashi

Author_Institution

ATR Wave Eng. Labs., Kyoto, Japan

fYear

2005

fDate

3-8 July 2005

Firstpage

14

Abstract

The circular uniform beam array (CUBA) DOA estimation method that achieves DOA estimation of coherent waves has been applied to the electronically steerable parasitic array radiator (ESPAR) antennas. The antenna has only one RF port and thus features low power consumption and fabrication cost. The paper investigates different calibration techniques of ESPAR antennas for the CUBA DOA estimation method. A sectorized calibration method is also proposed to increase the calibration accuracy and improve the DOA estimation performance. The minimum angular distance for two resolvable waves is reduced from 45° to 15°.

Keywords

antenna arrays; antenna radiation patterns; array signal processing; calibration; direction-of-arrival estimation; power consumption; signal classification; DOA estimation; ESPAR antenna; MUSIC; circular uniform beam array; direction of arrival estimation; directive patterns; electronically steerable parasitic array radiator antenna; sectorized calibration; sectorized calibration method; Antenna arrays; Calibration; Costs; Direction of arrival estimation; Directive antennas; Energy consumption; Fabrication; Fourier transforms; Multiple signal classification; Sensor arrays;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 2005 IEEE

Print_ISBN

0-7803-8883-6

Type

conf

DOI

10.1109/APS.2005.1552569

Filename

1552569