A Class of Extremely Wideband Resonant Cavity Antennas With Large Directivity-Bandwidth Products

被引：91

作者：

Hashmi, Raheel M. ^{[1
]}

Esselle, Karu P. ^{[1
]}

机构：

[1] Macquarie Univ, Dept Engn, Fac Sci & Engn, Sydney, NSW 2109, Australia

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2016年 / 64卷 / 02期

基金：

澳大利亚研究理事会;

关键词：

Broadband; directivity-bandwidth product (DBP); Fabry-Perot cavity antenna; high-gain; lens; resonant cavity antenna (RCA); superstrate; BROAD-BAND; TRANSFORMATION OPTICS; GAIN ENHANCEMENT; FSS SUPERSTRATE; EBG; LENS;

D O I：

10.1109/TAP.2015.2511801

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：

Extremely wideband resonant cavity antennas (RCAs) with large directivity-bandwidth products (DBPs) are presented. Their distinct feature is a single-slab superstrate that has a permittivity gradient in the directions transverse to the antenna axis. The application of such a superstrate in a single-feed RCA improves the DBP by a factor of three or more as compared with superstrates composed of uniform dielectric slabs. Their very small area enables an antenna designer to achieve unprecedented figures of DBP per unit area, from a simple planar antenna. Prototype RCAs have been fabricated and measurements have validated the concept. A measured 3-dB directivity bandwidth of 52.9% was demonstrated with a measured directivity of 16.4 dBi for an RCA that has a very small total footprint area of 1.54 lambda(2)(0) at the lowest operating frequency (2.84 lambda(2)(0,c) at the center frequency). This represents an increase of 90% over the previous best measured RCA directivity bandwidth of 28%.

引用

页码：830 / 835

页数：6

共 32 条

[1] A Low-Profile Printed Planar Phase Correcting Surface to Improve Directive Radiation Characteristics of Electromagnetic Band Gap Resonator Antennas [J].

Afzal, Muhammad U. ;

Esselle, Kant P. .

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2016, 64 (01) :276-280

[2] Dielectric Phase-Correcting Structures for Electromagnetic Band Gap Resonator Antennas [J].

Afzal, Muhammad U. ;

Esselle, Karu P. ;

Zeb, Basit A. .

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2015, 63 (08) :3390-3399

[3]

[Anonymous], 2006, P 1 EUR C ANT PROP N

[4] High gain planar antenna using optimised partially ref lective surfaces [J].

Feresidis, AP ;

Vardaxoglou, JC .

IEE PROCEEDINGS-MICROWAVES ANTENNAS AND PROPAGATION, 2001, 148 (06) :345-350

[5] Investigation Into the Effects of the Patch-Type FSS Superstrate on the High-Gain Cavity Resonance Antenna Design [J].

Foroozesh, Alireza ;

Shafai, Lotfollah .

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2010, 58 (02) :258-270

[6]

Garcia-Vigueras M., 2012, Proceedings of the 2012 6th European Conference on Antennas and Propagation (EuCAP), P247, DOI 10.1109/EuCAP.2012.6206359

[7]

Ge YH, 2007, 2007 EUROPEAN MICROWAVE CONFERENCE, VOLS 1-4, P412

[8] The Use of Simple Thin Partially Reflective Surfaces With Positive Reflection Phase Gradients to Design Wideband, Low-Profile EBG Resonator Antennas [J].

Ge, Yuehe ;

Esselle, Karu P. ;

Bird, Trevor S. .

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2012, 60 (02) :743-750

[9] Broadband and high-gain printed antennas constructed from Fabry-Perot resonator structure using EBG or FSS cover [J].

Ge, ZC ;

Zhang, WX ;

Liu, ZG ;

Gu, YY .

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 2006, 48 (07) :1272-1274

[10] A WIDEBAND EBG RESONATOR ANTENNA WITH AN EXTREMELY SMALL FOOTPRINT AREA [J].

Hashmi, Raheel M. ;

Esselle, Karu P. .

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 2015, 57 (07) :1531-1535

← 1 2 3 4 →