Zobrazeno 1 - 10
of 1 955
pro vyhledávání: '"specific absorption rate (sar)"'
Autor:
Mosab Jasim, Ahmed Jamal Abdullah Al-Gburi, Mehwish Hanif, Zaheer Ahmed Dayo, Mohd Muzafar Ismail, Zahriladha Zakaria
Publikováno v:
Alexandria Engineering Journal, Vol 112, Iss , Pp 110-139 (2025)
Implantable medical devices (IMDs) are revolutionizing healthcare by enabling continuous monitoring, targeted treatment, and improved quality of life for patients with chronic conditions. Among the critical components of IMDs are implantable antennas
Externí odkaz:
https://doaj.org/article/cdf2d046a31d441e8f5db9956c2dc62d
Autor:
Nazrin Haziq Jemaludin, Ahmed Jamal Abdullah Al-Gburi, Rania Hamdy Elabd, Tale Saeidi, Muhammad Firdaus Akbar, Imran Mohd Ibrahim, Zahriladha Zakaria
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102712- (2024)
Multiple-input multiple-output (MIMO) technology has become a key enabler for 5G smartphones, significantly enhancing data throughput and connectivity. By incorporating multiple antennas into the compact design of modern smartphones, MIMO technology
Externí odkaz:
https://doaj.org/article/4709444a67eb46a5b1d41db19e63831f
Autor:
Ahmed Jamal Abdullah Al-Gburi, Nor Hadzfizah Mohd Radi, Tale Saeidi, Naba Jasim Mohammed, Zahriladha Zakaria, Gouree Shankar Das, Akash Buragohain, Mohd Muzafar Ismail
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 9, Iss 3, Pp 100773- (2024)
Printed electronics, fueled by graphene's conductivity and flexibility, are revolutionizing wearable technology, surpassing copper's limitations in cost, signal quality, size, and environmental impact. Graphene-based inks are positioned to lead in th
Externí odkaz:
https://doaj.org/article/9eab9327fd0344cb9ebdcaff96368361
Publikováno v:
Telecom, Vol 5, Iss 2, Pp 312-332 (2024)
In this study, at ultra-wideband (UWB) frequency band (3.1–10.6 GHz), we propose the use of compact 2:1 and 3:1 nonuniform transmission line Wilkinson power dividers (NTL WPDs) as feeding networks for simple 2 × 1 linear UWB Vivaldi tapered and no
Externí odkaz:
https://doaj.org/article/c6e0611c9dbe4e6d84a96e4aa7fe75dd
Autor:
C. Renit, T. Ajith Bosco Raj
Publikováno v:
Automatika, Vol 65, Iss 2, Pp 454-462 (2024)
The ever-growing miniaturization of electronic devices is foremost due to a wide range of changes in shrinking the wearable devices. This article focuses on a small, wearable antenna with dual bands for 5G and Wi-Fi communications. The Frequency Sele
Externí odkaz:
https://doaj.org/article/cfe0556252b849efba90ba3d134e7133
Publikováno v:
Journal of Communications Software and Systems, Vol 20, Iss 1, Pp 88-98 (2024)
The paper deals with an efficient procedure to study human exposure to vertical dipole antenna above a flat lossy half space. The closed form expressions for the corresponding irradiated electrical field are obtained assuming the sinusoidal and trian
Externí odkaz:
https://doaj.org/article/d639c3c226324b1d953b07fa6f5b3b80
Autor:
Niloy Goswami, Md. Abdur Rahman
Publikováno v:
e-Prime: Advances in Electrical Engineering, Electronics and Energy, Vol 8, Iss , Pp 100623- (2024)
In this study, a patch antenna is designed for easy fabrication and effective operation across a wide frequency range, making it particularly valuable for detecting brain tumors within a human head phantom using the monostatic technique. The study pr
Externí odkaz:
https://doaj.org/article/041c5fc50e7e4481bcde4f3aa2ffaaf9
Publikováno v:
IEEE Access, Vol 12, Pp 154195-154211 (2024)
A highly bendable, and a low-profile Artificial Magnetic Conductor (AMC)-based antenna for wearable applications operating at 2.4 GHz is presented. The AMC is employed to ensure consistent antenna performance in both free space and on the body, with
Externí odkaz:
https://doaj.org/article/c8cd035e3d164b209452391b60c4a254
Autor:
Taha A. Elwi, Fatma Taher, Bal S. Virdee, Mohammad Alibakhshikenari, Ignacio J. Garcia Zuazola, Astrit Krasniqi, Amna Shibib Kamel, Nurhan Turker Tokan, Salahuddin Khan, Naser Ojaroudi Parchin, Patrizia Livreri, Iyad Dayoub, Giovanni Pau, Sonia Aissa, Ernesto Limiti, Mohamed Fathy Abo Sree
Publikováno v:
IEEE Access, Vol 12, Pp 60849-60862 (2024)
In this paper, a reconfigurable Multiple-Input Multiple-Output (MIMO) antenna array is presented for 5G portable devices. The proposed array consists of four radiating elements and an Electromagnetic Band Gap (EBG) structure. Planar monopole radiatin
Externí odkaz:
https://doaj.org/article/06fbe28a158246c3ba3c1dead70eeaaf
Publikováno v:
IEEE Access, Vol 12, Pp 48511-48529 (2024)
Wearable devices are currently of great importance in developing health management and care applications and devices especially for early breast cancer detection (BCD). This is supported by the novel innovations in materials and techniques to constru
Externí odkaz:
https://doaj.org/article/a30159eb17a142388df17d1150492506