Browsing Τμήμα Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών / Department of Electrical and Computer Engineering by Author "Quddious, Abdul"
Now showing items 1-8 of 8
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Conference Object
Dual-Band Compact Antenna for UHF and ISM Systems
Zahid, Salman; Quddious, Abdul; Tahir, Farooq A.; Vryonides, Photos; Antoniades, Marco; Nikolaou, Symeon (2019)A compact planar dual-band antenna for UHF and ISM bands is proposed. The antenna is fabricated on a 45 mm × 80 mm × 0.787 mm Rogers Duroid (R) 5880 substrate and is intended for use in Wireless Power Transfer (WPT) and ...
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Conference Object
A Novel S-Band Bandpass Filter (BPF) with Extremely Broad Stopband
Vryonides, Photos; Arain, Salman; Quddious, Abdul; Antoniades, Marco A.; Nikolaou, Symeon (2018)This paper presents a new compact wideband bandpass filter (BPF) with an extremely broad stopband consisting of two parallel coupled-line sections and multiple open-ended stubs, for S-band applications. Due to symmetry of ...
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Article
On the Use of Tunable Power Splitter for Simultaneous Wireless Information and Power Transfer Receivers
Quddious, Abdul; Abbasi, Muhammad Ali Babar; Tariq, Muhammad Haroon; Antoniades, Marco A.; Vryonides, Photos; Nikolaou, Symeon (2018)The use of a tunable power splitter (PS) as a constituent component of a simultaneous wireless information and power transfer (SWIPT) system is discussed. Two varactor diodes are used to achieve a tunable output power ratio ...
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Article
Reconfigurable Bandwidth Bandpass Filter With Enhanced Out-of-Band Rejection Using $\pi $ -Section-Loaded Ring Resonator
Arain, Salman; Vryonides, Photos; Abbasi, Muhammad Ali Babar; Quddious, Abdul; Antoniades, Marco A.; Nikolaou, Symeon (2018)A novel ring resonator bandpass filter with reconfigurable bandwidth with central frequency at 2.4 GHz is demonstrated. Theoretical analysis for computing the resonant frequencies is shown, and the design approach of ...
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Conference Object
Uniplanar Rectenna Designs Matched with either Active or Passive DC-to-DC Converter
Quddious, Abdul; Vryonides, Photos; Nikolaou, Symeon; Antoniades, Marco A. (2019)Two rectenna designs consisting of a patch antenna and a voltage doubler operating at 5.6 GHz are presented. Rectenna-1 is matched with a varying input impedance active DC-to-DC booster based on Texas Instruments charge ...
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Article
UWB antenna with dynamically reconfigurable notch band using rectenna and active booster
Quddious, Abdul; Abbasi, Muhammad Ali Babar; Tahir, Farooq A.; Antoniades, Marco A.; Vryonides, Photos; Nikolaou, Symeon (2019)In this study, an ultra-wideband (UWB) monopole antenna with a dynamically reconfigurable notch band, along with the associated RF-triggered power management unit (PMU) that enables the dynamic reconfigurability, are ...
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Book Chapter
Voltage-Doubler RF-to-DC Rectifiers for Ambient RF Energy Harvesting and Wireless Power Transfer Systems
Quddious, Abdul; Antoniades, Marco A.; Vryonides, Photos; Nikolaou, Symeon (IntechOpen, 2019)Wireless Power Transfer (WPT) is promoted as a key enabling technology (KET) for the widespread use of batteryless Internet of Things (IoT) devices and for 5G wireless networks. RF-to-DC rectifiers are essential components ...
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Conference Object
Wearable sensor for communication with implantable devices
Abbasi, M. Ali Babar; Quddious, Abdul; Antoniades, Marco A.; Vryonides, Photos; Nikolaou, Symeon (2018)This study presents a simulation and measurement test-bench to investigate the antenna detuning, impedance mismatch and losses in through-body communications. These parameters are relevant to the efficient design of wearable ...