An Integrated 4-element Slot-Based MIMO and an UWB Sensing Antenna System for CR Platforms

Rifaqat Hussain, Mohammad S. Sharawi, Atif Shamim

Research output: Contribution to journalArticlepeer-review

50 Scopus citations

Abstract

This paper presents a novel integrated antenna system for cognitive radio (CR) applications. The design consists of a compact 4- element reconfigurable annular slot based multiple-input-multiple-output (MIMO) antenna system integrated within an ultra-wide-band (UWB) sensing antenna. All the antenna elements are planar in structure and designed on a single substrate (RO-4350) with dimensions 60×120×1.5 mm3. The frequency reconfigurable slot based MIMO antenna system is tuned over a wide frequency band from 1.77 GHz to 2.51 GHz while the UWB sensing antenna is covering from 0.75~7.65 GHz The proposed antenna system is suitable for CR enabled wireless devices. The envelope correlation coefficient (ECC) did not exceed 0.248 in the entire operating band of the MIMO antenna part. The maximum measured gain of the MIMO antenna is 3.2 dBi with maximum efficiency of 81%.
Original languageEnglish (US)
Pages (from-to)978-983
Number of pages6
JournalIEEE Transactions on Antennas and Propagation
Volume66
Issue number2
DOIs
StatePublished - Dec 8 2017

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