Pattern diversity and isolation enhancement of UWB MIMO antenna based on characteristic modes for mobile terminals

Shailesh Jayant; Garima Srivastava; Sachin Kumar

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Pattern diversity and isolation enhancement of UWB MIMO antenna based on characteristic modes for mobile terminals

机译：Pattern diversity and isolation enhancement of UWB MIMO antenna based on characteristic modes for mobile terminals

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A printed ultra-wideband (UWB) multiple input multiple output antenna with isolationenhancement and pattern diversity is presented, which is based on characteristic modes(CM) for upcoming wireless mobile platforms. The presented antenna is composed ofdual UWB antenna elements (AEs) – an antipodal Vivaldi and a circular-shaped monopolepositioned on the two opposite edges of the antenna’s rectangular-shaped ground surface.The two AEs are capable to stimulate distinct modes in the ground surface and thereforeobtaining the required distinct radiation (far-field) patterns and highly isolated AEs withoutintroducing any decoupling structure (DS). The measured results demonstrate thatboth AEs are UWB with an operating frequency from 2.6 to 11 GHz. The measured isolationis more than 30.1 dB with a maximum value of 55 dB in UWB. The peak realized gainis over 0.83 dBi. The radiation efficiency is greater than 75. The Envelope CorrelationCoefficient is <0.08.

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来源
《International journal of microwave and wireless technologies》 |2023年第5期|793-804|共12页
作者
Shailesh Jayant; Garima Srivastava; Sachin Kumar;
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作者单位

Guru Gobind Singh Indraprastha University, Delhi, 110078, India,Department of Electronics and Communication Engineering, Ambedkar Institute of Advanced Communication Technologies and Research, Geeta Colony, Delhi,110031, India;

Department of Electronics and Communication Engineering, Netaji Subhas University of Technology, Geeta Colony, Delhi, 110031, India;

Department of Electronics & Communication Engineering,SRM Institute of Science and Technology, Chennai, 603203, India;

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原文格式 PDF
正文语种英语
中图分类一般性问题;
关键词
UWB; MIMO; ECC; Characteristic Modes; Vivaldi Antenna;

Pattern diversity and isolation enhancement of UWB MIMO antenna based on characteristic modes for mobile terminals

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