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http://dx.doi.org/10.5515/KJKIEES.2009.20.2.167

The Design of Electronically Beam Steeling Array Antenna Using 4 Parasitic Elements  

Kim, Young-Goo (Electronics and Telecommunications Research Institute)
Choi, Ik-Guen (School of Electrical & Computer Engineering, Chungbuk National University)
Kim, Tae-Hong (Electronics and Telecommunications Research Institute)
You, Jong-Jun (Electronics and Telecommunications Research Institute)
Kang, Sang-Gee (Department of Electrical & Information Engineering, Kunsan National University)
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Abstract
This paper proposes an electronically beam steering array antenna, consisting of single fed active element and 4 parasitic elements, operating in 5.8 GHz ISM band. Beam steering can be achieved by controlling the reactance of the variable reactance control circuit connected to the load of the parasitic elements without using the high cost phase shifters. The proposed antenna realizes ${\pm}30^{\circ}$ beam scanning of E-plane and H-plane with the below -10 dB return loss in ISM band. The gain of the $6.18{\sim}7.53\;dBi$ in E-plane and $7.022{\sim}7.779\;dBi$ in H-plane is shown in the scanning range.
Keywords
Antenna; Beam Steering; Varactor; Array Antenna;
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