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The Low Sidelobe Array Antenna Design of Mobile Antenna System for Satellite Multimedia Communications  

Park Ung Hee (Antenna Technology Research Team, ETRI)
Son Seong Ho (Antenna Technology Research Team, ETRI)
Noh Haeng Sook (Antenna Technology Research Team, ETRI)
Jeon Soon Ik (Antenna Technology Research Team, ETRI)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.42, no.1, 2005 , pp. 91-97 More about this Journal
Abstract
In the mobile antenna systems for satellite multimedia communications, the active way antenna having a low sidelobe antenna pattern is described in this paper. This designed and fabricated array antenna is satisfied with international beam pattern regulation on moving states. The subarray of the proposed mobile antenna system is arranged with a stair-planar structure and non-periodic array spacing. This subarray is designed with three-layered microstrip patch as both receiving and transmitting radiator of which are improved with antenna gain and bandwidth. Also, the optimum subarray spacing is designed to make the lowest sidelobe pattern by genetic algorithm. In addition, the characteristics of a GA-perturbed array are investigated from simulated and measured beam pattern results.
Keywords
array antenna; microstrip patch antenna; genetic algorithm;
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