An Integrated Coding-Metasurface-Based Array Antenna

被引：32

作者：

Xu, Peng ^{[1
,2
]}

Jiang, Wei Xiang ^{[1
,2
]}

Cai, Xiao ^{[3
]}

Bai, Shi Hao ^{[1
,2
]}

Cui, Tie Jun ^{[1
,2
]}

机构：

[1] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China

[2] Synerget Innovat Ctr Wireless Commun Technol, Nanjing 210096, Peoples R China

[3] Nanjing Univ Informat Sci & Technol, Res Ctr Appl Electromagnet, Nanjing 210044, Peoples R China

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2020年 / 68卷 / 02期

基金：

美国国家科学基金会;

关键词：

Encoding; Antenna arrays; Antenna feeds; Impedance; Antenna radiation patterns; Reflector antennas; Antenna design; convolution operations; digital coding metasurface; impedance matching; integrated element; ELECTRICALLY SMALL ANTENNA; BROAD-BAND; HIGH-GAIN; WAVE PLATE; REFLECTION;

D O I：

10.1109/TAP.2019.2944529

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：

We present a novel antenna based on 2 bit digital coding metasurface and perform convolution operations on the coding antenna to manipulate the radiation waves. Different from the conventional array antennas, we propose to use the metasurface to change the radiation phase of elementary antenna (EA) in a more modular and simpler manner. The radiation beams can be arbitrarily controlled by designing the 2 bit digital coding sequence, and the center operating frequency of the coding antenna is designed at 7.29 GHz. The experimental results of the fabricated prototype antenna show good agreement with the numerical simulations. The proposed 2 bit coding antenna has been demonstrated to possess the capability of achieving beam deflection, multibeam, and perform Fourier operations on the coding antenna. This article raises a new design method of antenna array to control radiation beams.

引用

页码：891 / 899

页数：9

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