Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Umair Rafique"'
Publikováno v:
IEEE Access, Vol 11, Pp 50116-50129 (2023)
In this paper, a slotted waveguide array antenna (SWAA) is designed for S-band high-power microwave (HPM) applications. The single element of the array consists of ten Gaussian distributed slots on the broad wall of the waveguide, integrated with ins
Externí odkaz:
https://doaj.org/article/45e832d20642416798898399dae14d91
Autor:
Muhammad Noaman Zahid, Zhu Gaofeng, Saad Hassan Kiani, Umair Rafique, Syed Muzahir Abbas, Mohammad Alibakhshikenari, Mariana Dalarsson
Publikováno v:
IEEE Access, Vol 10, Pp 85619-85629 (2022)
The design of an eight-element H-shaped dual-band multiple-input multiple-output (MIMO) antenna system for sub-6 GHz fifth-generation (5G) smartphone applications is presented in this work. The radiating elements are designed on the side edge frame o
Externí odkaz:
https://doaj.org/article/6c3deb9e305f4c1fb90d753c307ea106
Autor:
Ilyas Saleem, Umair Rafique, Shobit Agarwal, Hüseyin Şerif SAVCI, Syed Muzahir Abbas, Subhas Mukhopadhyay
Publikováno v:
International Journal of Antennas and Propagation, Vol 2023 (2023)
In this paper, an efficient, coplanar waveguide (CPW)-fed printed circular ring fractal ultra-wideband (UWB) antenna is presented for biomedical applications. In UWB technology, short-range wireless communication is possible with low transceiving pow
Externí odkaz:
https://doaj.org/article/dfae920d0be6414b8b44608e7ad0dc8c
Autor:
Hamza Asif Khan, Umair Rafique, Syed Muzahir Abbas, Fahad Ahmed, Yifei Huang, Junaid Ahmed Uqaili, Abdelhady Mahmoud
Publikováno v:
Photonics, Vol 10, Iss 3, p 281 (2023)
An ultra wideband (UWB) radar cross-section (RCS) reduction metasurface has received attention in recent years. However, the majority of the research has concentrated on the physics and design of planar surfaces, which do not meet the standards of mo
Externí odkaz:
https://doaj.org/article/dbc772a77a364185859a0beac8d32770
Autor:
Uzair Ahmad, Sadiq Ullah, Umair Rafique, Dong-You Choi, Rizwan Ullah, Babar Kamal, Ashfaq Ahmad
Publikováno v:
IEEE Access, Vol 9, Pp 149240-149249 (2021)
A MIMO antenna system is designed and presented for sub-6 GHz mobile phone applications. The proposed antenna design consists of six loop-type radiation elements. From the six elements, four elements are placed at the corners of the mobile phone PCB
Externí odkaz:
https://doaj.org/article/c3590eaa88454570a4e5270b537d340c
Publikováno v:
International Journal of Antennas and Propagation, Vol 2022 (2022)
A 1 × 4 planar fractal array antenna is designed and presented for millimeter-wave 5G applications. The array’s top side is made up of a rhombus-inscribed circular ring fractal patch radiator, while the backside is made up of a square notch-loaded
Externí odkaz:
https://doaj.org/article/077204e640af44fb8acd4e2d96d9dcc4
Autor:
Saad Hassan Kiani, Mohamed Marey, Umair Rafique, Syed Imran Hussain Shah, Muhammad Adil Bashir, Hala Mostafa, Sai-Wai Wong, Naser Ojaroudi Parchin
Publikováno v:
Micromachines, Vol 13, Iss 10, p 1735 (2022)
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
Externí odkaz:
https://doaj.org/article/1b35af2c8d244e08b38ba69640d8d52f
Autor:
Saad Hassan Kiani, Mohamed Marey, Hüseyin Şerif SAVCI, Hala Mostafa, Umair Rafique, Muhammad Amir Khan
Publikováno v:
Applied Sciences, Vol 12, Iss 19, p 9694 (2022)
This work presents a cost-effective multiple-element multiple-input multiple-output (MIMO) antenna system for next-generation smartphones. The proposed antenna system is developed on a 0.8 mm thin FR-4 substrate with a relative permittivity of 4.4, w
Externí odkaz:
https://doaj.org/article/acbda1105a764be0b80d569d8bd80038
Autor:
Saad Hassan Kiani, Muhammad Abbas Khan, Umair Rafique, Mohamed Marey, Abdullah G. Alharbi, Hala Mostafa, Muhammad Amir Khan, Syed Muzahir Abbas
Publikováno v:
Micromachines, Vol 13, Iss 6, p 959 (2022)
This study provides an eight-component multiple-input multiple-output (MIMO) antenna architecture for fifth-generation (5G) mobile communication systems. The single antenna element is comprised of an L-shaped radiating component, an L-shaped parasiti
Externí odkaz:
https://doaj.org/article/a6310fdccac94668b80fac76c81774b1
Autor:
Umair Rafique, Suleman Khan, Muhammad Mansoor Ahmed, Saad Hassan Kiani, Syed Muzahir Abbas, Sohail Imran Saeed, Mohammad Alibakhshikenari, Mariana Dalarsson
Publikováno v:
Applied Sciences, Vol 12, Iss 8, p 3746 (2022)
This article presents the design of a uni-planar MIMO antenna system for sub-6 GHz 5G-enabled smartphones. The MIMO antenna designed comprises four loop-shaped radiators placed at each corner of the mobile phone board, which follows the principle of
Externí odkaz:
https://doaj.org/article/7eb8961f227a4de6b08efa80404266de