Dual-Band Circularly-Polarized Beam-Steerable Reflectarray for Satellite Applications in the Ku band

被引：2

作者：

Baladi, Elham ^{[1
]}

Xu, Min Yin ^{[1
]}

Faria, Nicolas ^{[1
]}

Hum, Sean Victor ^{[1
]}

Nicholls, Jeff ^{[2
]}

机构：

[1] Univ Toronto, Dept Elect & Comp Engn, Toronto, ON, Canada

[2] Kepler Commun, Toronto, ON, Canada

来源：

2020 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND NORTH AMERICAN RADIO SCIENCE MEETING | 2020年

关键词：

D O I：

10.1109/IEEECONF35879.2020.9330014

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This work presents the design of a dual-band reconfigurable circularly polarized (CP) reflectarray (RA) antenna for satellite communication in the Ku bands. Simultaneous and independent control is provided over the downlink and uplink beams at frequency bands of [10.8 - 11.8] GHz and [13.8 - 15] GHz, respectively. The unit cell is composed of two circular rings, each loaded using four varactor diodes, for operating in the two bands. The rings are symmetrically loaded in the vertical and horizontal directions to provide an isotropic response suitable for CP applications, and enable a phase range of more than 300 degrees as the capacitive loading varies. Here, the response of the unit cell is studied through fullwave simulations and quasi-optical (QO) measurements, and a fabricated prototype of the RA is presented.

引用

页码：237 / 238

页数：2

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