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Dr Naser Ojaroudi Parchin's Outputs (85)

Tri-Band Endfire Antenna Array with Wide Angles of Beam-Scanning Capability for 5G mmWave Mobile Communications (2023)
Presentation / Conference Contribution
Zidour, A., Ayad, M., Alibakhshikenari, M., Basherlou, H. J., Parchin, N. O., & See, C. H. (2023, October). Tri-Band Endfire Antenna Array with Wide Angles of Beam-Scanning Capability for 5G mmWave Mobile Communications. Paper presented at IEEE MTTW Conference 2023, Riga, Latvia

In this paper, a novel multiband phased array antenna with endfire radiation pattern is designed at millimeter-wave (mmWave) frequency bands for 5G mobile applications. The proposed antenna element is a compact quasi-Yagi with a modified dipole drive... Read More about Tri-Band Endfire Antenna Array with Wide Angles of Beam-Scanning Capability for 5G mmWave Mobile Communications.

Wide-Scan/High-Gain Phased Array Antenna for 5G/6G Cellular Networks (2023)
Presentation / Conference Contribution
Jahanbakhsh Basherlou, H., Parchin, N. O., Alibakhshikenari, M., & See, C. H. (2023, October). Wide-Scan/High-Gain Phased Array Antenna for 5G/6G Cellular Networks. Paper presented at IEEE MTTW Conference 2023, Riga, Latvia

This paper explores the features of a novel beam-steerable phased array antenna design that exhibits high radiation capabilities, catering to the needs of future cellular networks such as 5G/6G. The focus of the discussion is on smartphones, given th... Read More about Wide-Scan/High-Gain Phased Array Antenna for 5G/6G Cellular Networks.

An Investigation on the Effects of Beam Squint Caused by an Analog Beamformed User Terminal Utilizing Antenna Arrays (2023)
Journal Article
Abd-Alhameed, R. A., Hu, Y. F., Al-Yasir, Y., Parchin, N. O., & Ullah, A. (2023). An Investigation on the Effects of Beam Squint Caused by an Analog Beamformed User Terminal Utilizing Antenna Arrays. IEEE Access, 11, 98230-98243. https://doi.org/10.1109/access.2023.3313200

In the equivalent frequency-based model, the antenna array gain is utilised to characterise the frequency response of the beam squint effect generated by the antenna array. This impact is considered for a wide range of uniform linear array (ULA) and... Read More about An Investigation on the Effects of Beam Squint Caused by an Analog Beamformed User Terminal Utilizing Antenna Arrays.

Design of Compact Flexible UWB Antenna Using Different Substrate Materials for WBAN Applications (2023)
Presentation / Conference Contribution
Yehia, S., Fatah, A., Taher, F., Elwi, T. A., Fathy, M., Sree, A., Alibakhshikenari, M., Virdee, B. S., Livreri, P., Parchin, N. O., See, C. H., Pau, G., Dayoub, I., & Limiti, E. (2023, July). Design of Compact Flexible UWB Antenna Using Different Substrate Materials for WBAN Applications. Presented at Photonics and Electromagnetics Research Symposium, Prague, Czech Republic

In this paper, the design process of compact flexible ultra-wideband (UWB) antenna using various substrate materials such as FR4, Kapton, and Rogers RT5880 is discussed and experimentally investigated. The proposed antenna is structured as a flexible... Read More about Design of Compact Flexible UWB Antenna Using Different Substrate Materials for WBAN Applications.

Flexible Antenna Design for Wearable Telemedicine Applications (2023)
Presentation / Conference Contribution
Yehia, S., Fatah, A., Taher, F., Elwi, T. A., Fathy, M., Sree, A., Alibakhshikenari, M., Virdee, B. S., Livreri, P., Parchin, N. O., See, C. H., Pau, G., Dayoub, I., & Limiti, E. (2023, July). Flexible Antenna Design for Wearable Telemedicine Applications. Presented at Photonics and Electromagnetics Research Symposium, Prague, Czech Republic

In this article, an antenna design based on the printed patch of three strip lines which are excited with a microstrip line has been proposed and implemented for wearable telemedicine devices. The proposed antenna is fabricated using conductive coppe... Read More about Flexible Antenna Design for Wearable Telemedicine Applications.

Phased Array with Radiation-mode Reconfigurability for Cognitive Cellular Communications (2023)
Presentation / Conference Contribution
Ojaroudi Parchin, N., Alibakhshikenari, M., See, C. H., Dayoub, I., & Abd-Alhameed, R. A. (2023, July). Phased Array with Radiation-mode Reconfigurability for Cognitive Cellular Communications. Presented at Photonics and Electromagnetics Research Symposium, Prague, Czech Republic

A beam-steerable phased array with highly-miniaturized resonators and radiationmode reconfigurability is studied in this paper for 28 GHz 5G cellular cognitive networks. Simple and straightforward design procedures are followed. Eight modified T-shap... Read More about Phased Array with Radiation-mode Reconfigurability for Cognitive Cellular Communications.

Phased Array with Radiation-mode Reconfigurability for 28 GHz Cognitive Cellular Communications (2023)
Presentation / Conference Contribution
Ojaroudi Parchin, N., Alibakhshikenari, M., See, C. H., Abd-Alhameed, R. A., & Limiti, E. (2023, July). Phased Array with Radiation-mode Reconfigurability for 28 GHz Cognitive Cellular Communications. Presented at 2023 Photonics & Electromagnetics Research Symposium (PIERS), Prague, Czechia

A beam-steerable phased array with highly-miniaturized resonators and radiation-mode reconfigurability is studied in this paper for 28 GHz 5G cellular cognitive networks. Simple and straightforward design procedures are followed. Eight modified T-sha... Read More about Phased Array with Radiation-mode Reconfigurability for 28 GHz Cognitive Cellular Communications.

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., Mostafa, H., & Parchin, N. O. (2023). mmWave Polarization Diversity Wideband Multiple-Input/Multiple-Output Antenna System with Symmetrical Geometry for Future Compact Devices. Symmetry, 15(9), Article 1641. https://doi.org/10.3390/sym15091641

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, March). Multi/Broad-Band Phased Array Enabling Capacity and Physical-Layer Security in Cyberspace Mobile Communications for 5G and Beyond. Presented at 2023 First International Conference on Microwave, Antenna and Communication (MAC), Prayagraj, India

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, March). QR-Code Pixelated Antenna with Multi-Factor Authentication for Wireless and Security Applications. Presented at 2023 First International Conference on Microwave, Antenna and Communication (MAC), Prayagraj, India

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., See, C. H., & 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, May). CPW-Fed MIMO Smartphone Antenna Array with Radiation/Polarization Diversity for 5G Applications. Presented at 2023 IEEE IAS Global Conference on Emerging Technologies (GlobConET), Loughborough University, London, UK

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://doi.org/10.3390/mi14040776

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, February). A 1.5 KW L-Band All GaN High-Efficiency Solid State Power Amplifier for Pulsed Applications. Presented at 2023 International Microwave and Antenna Symposium (IMAS), Cairo, Egypt

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, Article 4179. https://doi.org/10.1038/s41598-023-31407-z

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 164. https://doi.org/10.3390/electronics12010164

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.