Ultrathin Planar HIS Antenna with Beam Steering Capability for K-Band

被引：0

作者：

Almutawa, Ahmad T. ^{[1
]}

Kazemi, Hamidreza ^{[1
]}

Capolino, Filippo ^{[1
]}

机构：

[1] Univ Calif Irvine, Dept Elect Engn & Comp Sci, Irvine, CA 92697 USA

来源：

2019 13TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) | 2019年

关键词：

beam steering; phased array; planar antenna; high impedance surface; HIGH IMPEDANCE SURFACE; DIPOLE;

D O I：

暂无

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 paper presents a wideband, ultrathin, planar high impedance surface (HIS) antenna with a beamforming capability which operates at K-band. The HIS antenna is based on a single grounded substrate with a 2D periodic array of dogbone-shaped metallic patches patterned on the top of a ultrathin grounded slab. The structure is designed to operate at 24 GHz with beam steering capability. The structure is fed by a phase-controlled excitation network which adds the ability to steer the beam. The proposed antenna is made of 12 x 6 unit-cells on a very thin substrate (the overall antenna height is around a 100th of the free space wavelength). Simulation results show a maximum broadside gain of 12 dBi and, despite the ultrathin thickness, a 3dB bandwidth of 1.83 GHz with a 2 dBi gain difference in steering the beam from 0 to 45 degrees.

引用

页数：3

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