A Compact UWB DRA MIMO Antenna Realizing Band Notch Characteristics and Fractal Inspired Isolation Mechanism

作     者：Bhattacharjee, Anindita Karmakar, Anirban Saha, Anuradha 

作者机构：Electronics & Communication Engineering Department Tripura University India AEIE Dept. Netaji Subhash Engineering College Garia Kolkata India 

出 版 物：《Progress In Electromagnetics Research C》 (Prog. Electromagn. Res. C)

年 卷 期：2022年第123卷

页      面：213-226页

核心收录：

学科分类：0810[工学-信息与通信工程] 080805[工学-电工理论与新技术] 080904[工学-电磁场与微波技术] 0808[工学-电气工程] 0809[工学-电子科学与技术（可授工学、理学学位）] 0817[工学-化学工程与技术] 08[工学] 0703[理学-化学] 0702[理学-物理学] 

主　　题：Monopole antennas 

摘      要：In this communication, a new compact UWB dual port multiple-input multiple-output (MIMO) antenna is presented for wireless application. The design utilizes the property of dielectric resonator to achieve a bandwidth that ranges from 3.1 GHz to 18.5 GHz. The design has a compact size of 19 × 30 × 0.8 mm3. It consists of two rectangular shape monopole antenna elements with rectangular dielectric resonators sharing a similar ground plane. On the ground plane, a modified Hilbert curve with a meander line parasitic element was introduced to improve isolation between radiating elements which reduces mutual coupling issues. A band notch is achieved at WLAN band (5.09–5.8 GHz) by etching a pair of L-shape slots on each radiator. The gain of the antenna drops significantly at the centre of the notch band which indicates good interference suppression. Results show that the designed antenna provides a wide impedance bandwidth (below −10 dB) throughout the operating band of 3.1–18.5 GHz (142.6%). The antenna also produces nearly −20 dB isolation for the entire operating band. Results show that the simulated characteristics are in good agreement with the measured counterpart. © 2022, Electromagnetics Academy. All rights reserved.