A Compact CSRR-Enabled UWB Diversity Antenna

被引：114
作者：
Khan, Muhammad Saeed [1 ,2 ]
Capobianco, Antonio-D [1 ]
Asif, Sajid M. [3 ,4 ]
Anagnostou, Dimitris E. [5 ,6 ]
Shubair, Raed M. [7 ,8 ]
Braaten, Benjamin D. [3 ]
机构：
[1] Padova Univ, Dept Informat, Engn, I-35100 Padua, Italy
[2] COMSATS Inst IT, Dept Elect Engn, Islamabad 45550, Pakistan
[3] North Dakota State Univ, Dept Elect & Comp Engn, Fargo, ND 58102 USA
[4] COMSATS Inst IT, Dept Elect Engn, Attock 43600, Pakistan
[5] South Dakota Sch Mines & Technol, Rapid City, SD 57701 USA
[6] Heriot Watt Univ, Edinburgh EH14 4AS, Midlothian, Scotland
[7] Khalifa Univ, Elect & Comp Engn Dept, Abu Dhabi, U Arab Emirates
[8] MIT, Res Lab Elect, Cambridge, MA 02139 USA
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2017年 / 16卷
关键词：
Antenna arrays; complementary split-ring resonator (CSRR); continuous spectrum; filter; integrated components; monopole radiator; multiple-input-multiple-output (MIMO); MIMO ANTENNA; ENHANCEMENT; PLANAR;
D O I：
10.1109/LAWP.2016.2604843
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：
The purpose of this letter is to introduce a compact ultrawideband (UWB) diversity antenna with a very low envelope correlation coefficient (ECC). The design employs a hybrid isolation enhancing and miniaturization technique. The antenna consists of two counter facing monopoles, and is miniaturized by using not only inverted-L stubs but also a complementary split-ring resonator (CSRR) on the ground plane. The added components enhance isolation and enable tighter packing of the antennas. The result is a very compact multiple-input-multiple-output (MIMO) array with an overall size of 23 x 29 mm(2), which covers the entire UWB spectrum from 3 to 12 GHz, with mutual coupling lower than -15 dB. Moreover, the CSRR unit that acts as a resonator is applied for the first time to suppress the interference of RF currents flowing through the ground plane of this UWB-MIMO/diversity antenna. The performance of the fabricated prototype in terms of scattering parameters, broadside (peak) gain, radiation patterns, efficiency, and ECC is presented and discussed.
引用
收藏
页码：808 / 812
页数：5
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