Integrated compact UWB and frequency reconfigurable antenna with high isolation for cognitive radio

PS Rathore, R Mali, R Jatav, MK Meshram - AEU-International Journal of …, 2023 - Elsevier
This paper presents the design of a compact ultra-wideband (UWB) antenna and a
frequency reconfigurable antenna with high isolation for cognitive radio (CR) applications …

Single-element and MIMO circularly polarized microstrip antennas with negligible back radiation for 5G mid-band handsets

FM Alnahwi, YIA Al-Yasir, CH See, RA Abd-Alhameed - Sensors, 2022 - mdpi.com
In this paper, single-element and MIMO microstrip antenna with two pairs of unequal slits is
proposed as a circularly polarized antenna with negligible back radiation for 5G mid-band …

Design a compact printed log-periodic biconical dipole array antenna for EMC measurements

AA Abdulhameed, Z Kubík - Electronics, 2022 - mdpi.com
This article presents the design, modeling, and fabrication of a printed log-periodic biconical
dipole array antenna (PLPBDA) for electromagnetic compatibility (EMC) measurements. The …

Frequency reconfigurable key-shape antenna for LTE applications

AA Abdulhameed, FM Alnahwi… - Australian Journal of …, 2023 - Taylor & Francis
This paper presents a compact dual-band reconfigurable antenna. This antenna covers the
Long-Term Evolution (LTE) bands 1.9 GHz, 2.4 GHz, and 3 GHz. The reconfigurability was …

A compact maple leaf and triangular hybrid fractal shaped UWB frequency reconfigurable antenna with wide continuous tunable band notch

S Shankar, DK Upadhyay - Iranian Journal of Science and Technology …, 2023 - Springer
This paper presents a maple leaf (ML) and triangular hybrid fractal shaped monopole
antenna with extended ultrawide band (UWB) frequency characteristics from 3.1 to 13.7 …

Switchable broadband-to-tunable narrowband magnetic probe for near-field measurements

AA Abdulhameed, Z Kubík - Sensors, 2022 - mdpi.com
This paper presents a printed magnetic probe that can switch from broadband to tunable
narrowband for near-field measurement. In the early design stage, we created a printed loop …

Dual-port filtenna system for interweave cognitive radio applications

YM Hasan, AS Abdullah, FM Alnahwi - Iranian Journal of Science and …, 2022 - Springer
This work presents a compact, low-cost dual-port filtenna system for interweave cognitive
radio (CR) applications. The filtenna system consists of a frequency-bandwidth …

Investigation of Broadband Printed Biconical Antenna with Tapered Balun for EMC Measurements

AA Abdulhameed, Z Kubík - Energies, 2021 - mdpi.com
This article investigates the design, modeling, and fabrication of small-size (150× 90× 1.6
mm) broadband printed biconical antenna. The proposed antenna is intended for use a …

A five-port integrated planar ultra wideband and narrowband antennas system using excitation switching reconfigurable technique for cognitive radio applications

AD Tadesse, OP Acharya, S Sahu - Wireless Personal Communications, 2023 - Springer
This work presents an integrated planar five-element antennas system for cognitive radio
(CR) applications. The proposed system is composed a UWB antenna for sensing the radio …

Design and Simulation of Single and MIMO Circularly Polarized Patch Antennas with a Pair of Chip Resistors for 5G Applications

FM Alnahwi, HL Swadi… - … Studies and Innovative …, 2022 - ieeexplore.ieee.org
This paper presents single microstrip antenna and MIMO structure with two equal length
pairs of slits and two chip resistors as an antenna with circular polarization (CP) and …