Metasurface Superstrate Beam Steering Antenna with AMC for 5G/WiMAX/WLAN Applications

被引：7
|
作者：
Verma, Akhilesh [1 ]
Arya, Ravi Kumar [2 ]
Raghava, Srinivasa Nallanthighal [1 ]
机构：
[1] Delhi Technol Univ, Elect & Commun Engn, Delhi, India
[2] Changchun Univ Sci & Technol, Xiangshan Lab, Zhongshan Inst, Zhongshan, Peoples R China
来源：
WIRELESS PERSONAL COMMUNICATIONS | 2023年 / 128卷 / 02期
关键词：
Monopole; Beam steering; Metasurface superstrate; 5G; DIRECTIVITY ENHANCEMENT; PHASED-ARRAY;
D O I：
10.1007/s11277-022-09993-4
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A beam-steering antenna based on non-uniform metasurface superstrate and artificial magnetic conductor (AMC), operating at 3.5 GHz, is proposed. The antenna can steer the beam along theta = -18 degrees and 18 degrees with the superstrate and along theta = 0 degrees in the absence of the superstrate with almost zero scan loss. The proposed antenna structure consists of a top layer of non-uniform metasurface superstrate made of a 20 x 20 grid of electrically-small square-shaped metallic pixels while the bottom part consists of AMC with a grid of 5 x 5 pixels. The radiating element, CPW-fed monopole antenna, is placed between AMC and superstrate. The fabricated prototype shows desired beam steering in directions of theta = -18 degrees, 0 degrees, and 18 degrees while maintaining uniform realized gain of 5.5 dBi and matching well with simulations.
引用
收藏
页码：1153 / 1170
页数：18
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