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Sani Mubarak Ellis

Telecommunications Engineering

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About

Sani Mubarak Ellis was born in Accra, Ghana. He received his B.S degree in Telecommunication Engineering at the Kwame Nkrumah University of Science and Technology, Kumasi, Ghana, and his M.S degree in Microwave and Photonics Engineering at Chalmers University of Technology, Gothenburg, Sweden.In summer 2010, he researched on GNU radio for the department of Microtechnology and Nanoscience at Chalmers University. From September 2010 – January 2011, he worked as a Trainee on indoor MIMO measurements at Ericsson AB. From September 2010 – June 2011, he worked as a Student Researcher on gap waveguides for Huawei AB and the Antenna Group at Chalmers University. He pursued his Ph.D. degree at the University of Electronic Science and Technology, Chengdu, China from 2011 - 2015. He is currently working as an Associate Professor in the Department of Telecommunication Engineering at Kwame Nkrumah University of Science and Technology, Kumasi-Ghana. He has done extensive research in the area of antennas and has over 40 publications in refereed journals. He is the head of the radio frequency and microwave Lab, and head of the Antenna Group at the Department of Telecommunication Engineering.His research interests include planar monopole unidirectional antennas, reconfigurable and beam-steering antennas, body-centric antennas. Other areas of interest include Software Defined Radio and IoT/Machine applications in antennas. https://antennagroupknust.com/

Research Summary

(inferred from publications by AI)

The researcher has been advancing the development of advanced circularly polarized antennas, particularly in miniaturized designs with enhanced radiation characteristics using metamaterials for improved isolation. Their work explores applications across various frequency bands, from wideband to ultra-wideband, with a focus on improving efficiency and performance in wireless communication networks.

Research Themes

All Papers

A Novel Simple and Compact Microstrip-Fed Circularly Polarized Wide Slot Antenna With Wide Axial Ratio Bandwidth for C-Band Applications(2016)
Small planar monopole ultra‐wideband antenna with reduced ground plane effect(2015)
Miniaturised UWB antenna with dual‐band rejection of WLAN/WiMAX using slitted EBG structure(2018)
A Novel Miniature Band-Notched Wing-Shaped Monopole Ultrawideband Antenna(2013)
A PRINTED VIVALDI ANTENNA WITH IMPROVED RADIATION PATTERNS BY USING TWO PAIRS OF EYE-SHAPED SLOTS FOR UWB APPLICATIONS(2014)
Asymmetric circularly polarized open‐slot antenna(2020)
Unidirectional Planar Monopole Antenna Using a Quasi-Radiator(2018)
Miniaturised printed monopole antenna with a linked ground plane and radiator(2018)
Design and Analysis of a Low-Profile Dual-Band Circularly Polarized Monopole Antenna Based on Characteristic Mode Analysis(2023)
Compact wideband printed antenna with circularly polarized tilted beam radiation using a Quasi-Radiator(2023)
Unidirectional planar monopole ultra‐wideband antenna using wrench‐shaped feeding structure(2014)
A NEW COMPACT MICROSTRIP-FED MONOPOLE ANTENNA FOR TRIPLE BAND WLAN/WIMAX APPLICATIONS(2014)
Compact broadband circularly polarized printed antenna with a shifted monopole and modified ground plane(2019)
Simple circularly polarized planar monopole inverted T‐shaped antenna(2019)
A COMPACT WIDEBAND CIRCULARLY POLARIZED L-SLOT ANTENNA EDGE-FED BY A MICROSTRIP FEEDLINE FOR C-BAND APPLICATIONS(2017)
Characteristic mode analysis of a compact circularly polarized rotated square slot antenna(2023)
A PLANAR MONOPOLE UWB ANTENNA WITH IMPROVED LOWER END BANDWIDTH USING AN L-SHAPED STUB EXTENDED ON THE GROUND PLANE(2014)
Improved bandwidth and F/B ratio of a CPW-fed planar monopole antenna(2022)
Characteristic modal analysis in miniaturization and bandwidth‐enhancement of monopole antenna for WLAN/WiMAX/LTE applications(2023)
Enhanced directivity and bandwidth of a stepped open‐slot antenna with L‐shaped slots and parasitic strip(2014)
Printed double‐dipole antenna with high directivity using a new feeding structure(2014)
Compact Planar UWB Elliptical Vivaldi Antenna(2019)
Design of pattern-reconfigurable circularly polarized unidirectional antenna based on quasi-radiator for ISM applications(2022)
Circularly polarized edge‐placed printed monopole antenna using theory of characteristic modes(2023)
Compact planar ultra‐wideband pattern diversity antenna(2022)
Design and circuit analysis of a single and dual band-notched UWB antenna using vertical stubs embedded in feedline(2021)
Compact WLAN/C-Band Multiple-Input Multiple-Output Antenna(2020)
Design of a circularly polarized printed open‐slot antenna using theory of characteristic modes(2023)
A wideband single fed circularly polarized slot antenna for multi-band applications(2013)
DUAL-BAND DUAL-SENSE UNIDIRECTIONAL CIRCULARLY POLARIZED ANTENNA WITH CPW-FED FOR WIRELESS APPLICATIONS(2014)
Miniature staircase profile printed monopole antenna for ultrawideband applications(2013)
Miniaturized Planar Monopole UWB Antenna with Integrated RFID/GPS/GSM/WLAN Bands Using Capactively Loaded Loop Resonator (CLLRs)(2018)
Planar Monopole Ultrawideband Antenna with Reduced Ground Plane Dependence(2014)
Miniature High Gain Monopole Antenna(2023)
Wideband Compact Circularly Polarized Monopole Printed Antenna(2024)
End-fire Radiation Characteristics and High Gain Performance of a Miniaturized Printed Monopole Antenna Based on Theory of Characteristic Modes(2025)
Metamatrial based packaging method for improved isolation of circuit elements in microwave modules(2012)
Compact Low-profile Unidirectional Antenna at 2.45GHz for Body-centric Communications(2021)
THREE-LEVEL INDIRECT MATRIX CONVERTER WITH TWO SERIES Z-SOURCE NETWORKS(2019)

Collaboration Network

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About This Profile

This profile is generated from publicly available publication metadata and is intended for research discovery purposes. Themes, summaries, and trajectories are inferred computationally and may not capture the full scope of the lecturer's work. For authoritative information, please refer to the official KNUST profile.