Low Profile Dual-Polarized Antenna for SDARS Application

Hong, Young-Pyo; Kim, Jung-Min; Jeong, Soon-Chul; Kim, Dong-Hyun; Yook, Jong-Gwan

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Journal of the Korean Institute of Electromagnetic and Science 2005;5(1):31-35.

Young-Pyo Hong¹, Jung-Min Kim¹, Soon-Chul Jeong², Dong-Hyun Kim², Jong-Gwan Yook¹

¹Dept. of Electrical and Electronic Eng., Yonsei Uni.
²Actipass Co. Ltd.

Abstract

This paper presents low form factor dual polarized antenna incorporating low profile annular ring patch antenna having 90$^{circ}$ phase delay element for circular polarization(CP) and a reactive-loaded monopole linear polarized(LP) antenna. Both types of receiving antennas operate in the same frequency region from 2.320 GHz to 2.345 GHz, while different polarizations are used to take advantage of polarization diversity. The proposed CP antenna has good broadside radiation patterns, while the LP antenna reveals monopole-like radiation patterns. The gains of the antennas are measured to be 1.93 dBi and 2.24 dBi for CP and LP, respectively.

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