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mmWave Polarization Diversity Wideband Multiple-Input/Multiple-Output Antenna System with Symmetrical Geometry for Future Compact Devices (2023)
Journal Article
Munir, M. E., Kiani, S. H., Savci, H. S., Sehrai, D. A., Muhammad, F., Ali, A., …Parchin, N. O. (2023). mmWave Polarization Diversity Wideband Multiple-Input/Multiple-Output Antenna System with Symmetrical Geometry for Future Compact Devices. Symmetry,

The fifth generation (5G) of mobile networks is a significant technological advancement in telecommunications that provides faster data speeds, lower latency, and greater network capacity. One of the key technologies that enables 5G is multiple-input... Read More about mmWave Polarization Diversity Wideband Multiple-Input/Multiple-Output Antenna System with Symmetrical Geometry for Future Compact Devices.

Multi/Broad-Band Phased Array Enabling Capacity and Physical-Layer Security in Cyberspace Mobile Communications for 5G and Beyond (2023)
Presentation / Conference Contribution
Ullah, A., Jahanbakhsh Basherlou, H., Parchin, N. O., Hwang See, C., & Abd-Alhameed, R. A. (2023). Multi/Broad-Band Phased Array Enabling Capacity and Physical-Layer Security in Cyberspace Mobile Communications for 5G and Beyond. In 2023 First Internatio

Broadband/multiband phased array antennas with wide-scan and smart beam-steering are desirable to meet the capacity and security requirements of 5G and beyond. This paper discusses the characteristics of a new beam-steerable phased array design havin... Read More about Multi/Broad-Band Phased Array Enabling Capacity and Physical-Layer Security in Cyberspace Mobile Communications for 5G and Beyond.

QR-Code Pixelated Antenna with Multi-Factor Authentication for Wireless and Security Applications (2023)
Presentation / Conference Contribution
Jahanbakhsh Basherlou, H., Ullah, A., Parchin, N. O., See, C. H., & Abd-Alhameed, R. A. (2023). QR-Code Pixelated Antenna with Multi-Factor Authentication for Wireless and Security Applications. In 2023 First International Conference on Microwave, Antenn

Quick response (QR) codes can be used for antenna applications, in addition to being used as information-sharing and security devices. QR-Code pixelated antennas present a game-changing solution for wireless communication and security applications. T... Read More about QR-Code Pixelated Antenna with Multi-Factor Authentication for Wireless and Security Applications.

Dual-Band MIMO Antenna Design for 5G Smartphones Mobile Communications (2023)
Journal Article
Ullah, A., Parchin, N. O., Abdul-Al, M., Manan, W., Salisu, A., Gharbia, I., …Abd-Alhameed, R. A. (2023). Dual-Band MIMO Antenna Design for 5G Smartphones Mobile Communications. Journal of Techniques, 5(2), 1-9. https://doi.org/10.51173/jt.v5i2.1259

In this research, an innovative L-shape slot that is fed by F-shape dual-band six-Elements multiple-input multiple-output (MIMO) antenna for mobile phones that operate in a 5G spectrum is demonstrated. This proposed antenna has six antenna elements t... Read More about Dual-Band MIMO Antenna Design for 5G Smartphones Mobile Communications.

CPW-Fed MIMO Smartphone Antenna Array with Radiation/Polarization Diversity for 5G Applications (2023)
Presentation / Conference Contribution
Ojaroudi Parchin, N., Alibakhshikenari, M., See, C. H., Dayoub, . I., & Abd-Alhameed, R. (2023). CPW-Fed MIMO Smartphone Antenna Array with Radiation/Polarization Diversity for 5G Applications. . https://doi.org/10.1109/GlobConET56651.2023

This paper represents a new MIMO antenna design with compact diversity resonators for future smartphone applications. Four pairs of diversity monopoles with CPW feeding have been deployed at the mainboard’s corners to create an 8×8 MIMO configuration... Read More about CPW-Fed MIMO Smartphone Antenna Array with Radiation/Polarization Diversity for 5G Applications.

Eight Element MIMO Antenna Array with Tri-Band Response for Modern Smartphones (2023)
Journal Article
Kiani, S. H., Savci, H. S., Abubakar, H. S., Parchin, N. O., Rimli, H., & Hakim, B. (2023). Eight Element MIMO Antenna Array with Tri-Band Response for Modern Smartphones. IEEE Access, 11, 44244-44253. https://doi.org/10.1109/access.2023.3271716

This article presents an eight-element tri-band Multiple Input Multiple Output (MIMO) antenna system for future handheld devices. The suggested antenna system consists of a main and sideboards. The feed lines are connected on the main board while the... Read More about Eight Element MIMO Antenna Array with Tri-Band Response for Modern Smartphones.

A Four Element mm-Wave MIMO Antenna System with Wide-Band and High Isolation Characteristics for 5G Applications (2023)
Journal Article
Munir, M. E., Kiani, S. H., Savci, H. S., Marey, M., Khan, J., Mostafa, H., & Parchin, N. O. (2023). A Four Element mm-Wave MIMO Antenna System with Wide-Band and High Isolation Characteristics for 5G Applications. Micromachines, 14(4), Article 776. https

In this article, we propose a light weight, low profile Multiple Input Multiple Output (MIMO) antenna system for compact 5th Generation (5G) mmwave devices. Using a RO5880 substrate that is incredibly thin, the suggested antenna is made up of circula... Read More about A Four Element mm-Wave MIMO Antenna System with Wide-Band and High Isolation Characteristics for 5G Applications.

A 1.5 KW L-Band All GaN High-Efficiency Solid State Power Amplifier for Pulsed Applications (2023)
Presentation / Conference Contribution
Abounemra, A. M. E., Parchin, N. O., El-Tager, A. M., Mahdi, M., & Darwish, M. (2023). A 1.5 KW L-Band All GaN High-Efficiency Solid State Power Amplifier for Pulsed Applications. In 2023 International Microwave and Antenna Symposium (IMAS). https://doi.

This paper describes the design and fabrication of a 1500 watts multi-stage L-band RF solid-state power amplifier (SSPA). The basic approach is to use 50-volt Gallium Nitride High Electron Mobility Transistors (GaN-HEMT) for all the stages to ease th... Read More about A 1.5 KW L-Band All GaN High-Efficiency Solid State Power Amplifier for Pulsed Applications.

An efficient antenna system with improved radiation for multi-standard/multi-mode 5G cellular communications (2023)
Journal Article
Parchin, N. O., Mohamed, H. G., Moussa, K. H., See, C. H., Abd-Alhameed, R. A., Alwadai, N. M., & Amar, A. S. I. (2023). An efficient antenna system with improved radiation for multi-standard/multi-mode 5G cellular communications. Scientific Reports, 13,

This paper introduces a multi-input multiple-output (MIMO) antenna array system that provides improved radiation diversity for multi-standard/multi-mode 5G communications. The introduced MIMO design contains four pairs of miniaturized self-complement... Read More about An efficient antenna system with improved radiation for multi-standard/multi-mode 5G cellular communications.

Eight-Port Modified E-Slot MIMO Antenna Array with Enhanced Isolation for 5G Mobile Phone (2023)
Journal Article
Abubakar, H. S., Zhao, Z., Wang, B., Kiani, S. H., Parchin, N. O., & Hakim, B. (2023). Eight-Port Modified E-Slot MIMO Antenna Array with Enhanced Isolation for 5G Mobile Phone. Electronics, 12(2), Article 316. https://doi.org/10.3390/electronics12020316

An eight-element antenna system operating at sub 6 GHz is presented in this work for a future multiple-input multiple-output (MIMO) system based on a modified E-slot on the ground. The modified E-slot significantly lowers the coupling among the anten... Read More about Eight-Port Modified E-Slot MIMO Antenna Array with Enhanced Isolation for 5G Mobile Phone.

Programmable Beam-Steering Capabilities Based on Graphene Plasmonic THz MIMO Antenna via Reconfigurable Intelligent Surfaces (RIS) for IoT Applications (2022)
Journal Article
Khaleel, S. A., Hamad, E. K. I., Parchin, N. O., & Saleh, M. B. (2022). Programmable Beam-Steering Capabilities Based on Graphene Plasmonic THz MIMO Antenna via Reconfigurable Intelligent Surfaces (RIS) for IoT Applications. Electronics, 12(1), Article 16

The approaching sixth-generation (6G) communication network will modernize applications and satisfy user demands through implementing a smart and reconfigurable system with a higher data rate and wider bandwidth. The controllable THz waves are highly... Read More about Programmable Beam-Steering Capabilities Based on Graphene Plasmonic THz MIMO Antenna via Reconfigurable Intelligent Surfaces (RIS) for IoT Applications.

Four-Element/Eight-Port MIMO Antenna System with Diversity and Desirable Radiation for Sub 6 GHz Modern 5G Smartphones (2022)
Journal Article
Parchin, N. O., Amar, A. S., Darwish, M., Moussa, K. H., See, C. H., Abd-Alhameed, R. A., … Mohamed, H. G. (2022). Four-Element/Eight-Port MIMO Antenna System with Diversity and Desirable Radiation for Sub 6 GHz Modern 5G Smartphones. IEEE Access, 10, 1

In this manuscript, a multiple-input multiple-output (MIMO) antenna array system with identical compact antenna elements providing wide radiation and diversity function is introduced for sub 6 GHz fifth-generation (5G) cellular applications. The intr... Read More about Four-Element/Eight-Port MIMO Antenna System with Diversity and Desirable Radiation for Sub 6 GHz Modern 5G Smartphones.

Circuit Modelling of Broadband Antenna Using Vector Fitting and Foster Form Approaches for IoT Applications (2022)
Journal Article
Ez-zaki, F., Belaid, K. A., Ahmad, S., Belahrach, H., Ghammaz, A., Al-Gburi, A. J. A., & Parachin, N. O. (2022). Circuit Modelling of Broadband Antenna Using Vector Fitting and Foster Form Approaches for IoT Applications. Electronics, 11(22), Article 3724

Computation of the broadband antenna impedance behavior requires the wideband lumped equivalent circuit. This work aims to provide a comprehensive study of broadband antenna equivalent circuit models over broad frequency ranges for Internet of Things... Read More about Circuit Modelling of Broadband Antenna Using Vector Fitting and Foster Form Approaches for IoT Applications.

Design of a Tri-Band Wearable Antenna for Millimeter-Wave 5G Applications (2022)
Journal Article
Ahmad, S., Boubakar, H., Naseer, S., Alim, M. E., Sheikh, Y. A., Ghaffar, A., …Parchin, N. O. (2022). Design of a Tri-Band Wearable Antenna for Millimeter-Wave 5G Applications. Sensors, 22(20), Article 8012. https://doi.org/10.3390/s22208012

A printed monopole antenna for millimeter-wave applications in the 5G frequency region is described in this research. As a result, the proposed antenna resonates in three frequency bands that are designated for 5G communication systems, including 28... Read More about Design of a Tri-Band Wearable Antenna for Millimeter-Wave 5G Applications.

A Deployable and Cost-Effective Kirigami Antenna for Sub-6 GHz MIMO Applications (2022)
Journal Article
Kiani, S. H., Marey, M., Rafique, U., Shah, S. I. H., Bashir, M. A., Mostafa, H., …Parchin, N. O. (2022). A Deployable and Cost-Effective Kirigami Antenna for Sub-6 GHz MIMO Applications. Micromachines, 13(10), Article 1735. https://doi.org/10.3390/mi13

In this work, a low-cost, deployable, integratable, and easy-to-fabricate multiple-input multiple-output (MIMO) Kirigami antenna is proposed for sub-6 GHz applications. The proposed MIMO antenna is inspired by Kirigami art, which consists of four rad... Read More about A Deployable and Cost-Effective Kirigami Antenna for Sub-6 GHz MIMO Applications.

Eight-Element Antenna Array with Improved Radiation Performances for 5G Hand-Portable Devices (2022)
Journal Article
Ullah, A., Ojaroudi Parchin, N., Amar, A. S. I., & Abd-Alhameed, R. A. (2022). Eight-Element Antenna Array with Improved Radiation Performances for 5G Hand-Portable Devices. Electronics, 11(18), Article 2962. https://doi.org/10.3390/electronics11182962

This study aims to introduce a new phased array design with improved radiation properties for future cellular networks. The procedure of the array design is simple and has been accomplished on a low-cost substrate material while offering several inte... Read More about Eight-Element Antenna Array with Improved Radiation Performances for 5G Hand-Portable Devices.

Vertically-Polarized/End-Fire Phased Array with Folded-Slot Resonators for Cellular Communications (2022)
Presentation / Conference Contribution
Parchin, N. O., Amar, A. S., Abdel-Rahman, A. S., Adel, A., See, C. H., Abdul-Al, M., & Abd-Alhameed, R. A. (2022). Vertically-Polarized/End-Fire Phased Array with Folded-Slot Resonators for Cellular Communications. In 2022 International Telecommunicatio

This study aims to introduce a new phased array design with end-fire and vertically-polarized radiation for future cellular networks. The procedure of the array design is simple, accomplished on a single layer substrate material. Its schematic involv... Read More about Vertically-Polarized/End-Fire Phased Array with Folded-Slot Resonators for Cellular Communications.

Super-Wideband and Highly-Miniaturized Phased Array for MM-Wave Smartphone Applications (2022)
Presentation / Conference Contribution
Amar, A. S., Darwish, M., Parchin, N. O., See, C. H., Ghareeb, M. F., Abd-Alhameed, R. A., & El-Hennawy, H. (2022). Super-Wideband and Highly-Miniaturized Phased Array for MM-Wave Smartphone Applications. In 2022 International Telecommunications Conferen

This paper aims to investigate of new phased array design and its radiation characteristics with highly-miniaturized and super-wideband (SWB) properties. The procedure of the phased array design is simple and can be directly performed on a single-lay... Read More about Super-Wideband and Highly-Miniaturized Phased Array for MM-Wave Smartphone Applications.

A New Multiple Slot Antenna System for Sub 6 GHz Smartphones (2022)
Presentation / Conference Contribution
Parchin, N. O., Amar, A. S., Darwish, M., See, C. H., Abd-Alhameed, R. A., Almslmany, A., & El-Hennawy, H. (2022). A New Multiple Slot Antenna System for Sub 6 GHz Smartphones. In 2022 International Telecommunications Conference (ITC-Egypt). https://doi.

This work presents a sub-6 GHz multiple-input multiple-output (MIMO) antenna array with sufficient characteristics for mobile phone applications. At the four corners of the mobile phone mainboard, there are eight compact hook-shaped slot antennas mou... Read More about A New Multiple Slot Antenna System for Sub 6 GHz Smartphones.