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Frequency reconfigurable dual-band MIMO antenna using pentagon slot resonator with improved bandwidth

Published online by Cambridge University Press:  13 December 2017

Deepali Borakhade  and
Sanjay Pokle
Deepali Borakhade*
Affiliation:
Department of Electronics and Telecommunication, St. Vincent Pallotti college of engineering and Technology, Nagpur, Maharashtra, India
Sanjay Pokle
Affiliation:
Electronics and Telecommunication Department, Shri Ramdeobaba College of Engineering and Management, Nagpur, Maharashtra, India
*
Corresponding author: Deepali Borakhade Email: dkborakhade@yahoo.co.in
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Abstract

In this paper, multiple-input–multiple output (MIMO) antenna with dual-band frequency reconfiguration is presented. The proposed antenna consists of two symmetrical pentagon radiating elements. These radiating elements support bands of 1.5 GHz (GPS) and 2.4 GHz (Wi-Fi) frequency. The two PIN diodes are appropriately located on slot line in order to control the current flowing through the radiator. All simulated results are compared and confirmed with measured results. The antenna has VSWR ⩽1.8 and isolation of −28 dB. The advantage of this antenna is that bandwidth is increased by switching of PIN diode in the range from 80 MHz up to maximum 300 MHz. These characteristics demonstrate that proposed antenna is an attractive solution for a multimode application such as GPS, Wi-Fi routers, vehicular communication, etc. where wideband is required.

Keywords

Reconfigurable antennaWireless communication systemPIN diode
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 10 , Issue 3 , April 2018 , pp. 383 - 389
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2017 

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