Zobrazeno 1 - 10
of 319
pro vyhledávání: '"Mohamad Kamal A. Rahim"'
Publikováno v:
IEEE Access, Vol 12, Pp 151893-151906 (2024)
The Fifth generation (5G) wireless communication system aims to provide high bandwidth, high sensitivity, high gain and power capability. Millimeter wave technology then proposed for these demands with various range of features such as higher bandwid
Externí odkaz:
https://doaj.org/article/8f18f4a166054396a70499e3a4f91ae2
Autor:
Umar Musa, Shaharil Mohd Shah, Huda A. Majid, Ismail Ahmad Mahadi, Mohamad Kamal A. Rahim, Muhammad Sani Yahya, Zuhairiah Zainal Abidin
Publikováno v:
IEEE Access, Vol 12, Pp 48453-48471 (2024)
This work presents the design and implementation of active antennas as a part of a healthcare monitoring system that is based on the Internet of Things (IoT). The monitoring system comprises a SEN11547 pulse sensor and an LM35 temperature sensor for
Externí odkaz:
https://doaj.org/article/c2694da518cd4d81aae4dc232e57611d
Autor:
Abdulkadir Bello Shallah, Farid Zubir, Mohamad Kamal A. Rahim, Noorlindawaty Md. Jizat, Abdul Basit, Maher Assaad, Huda A. Majid
Publikováno v:
IEEE Access, Vol 12, Pp 32320-32333 (2024)
This paper introduces an innovative $4 \times 4$ dual-band Butler matrix (BM) characterized by compactness and an enhanced frequency ratio (K). The design employs meandered lines and an interdigital capacitor (IDC) unit-cell-based composite right/lef
Externí odkaz:
https://doaj.org/article/fbebd5f7a52e46b89680fb6d39a3eac4
Publikováno v:
IEEE Access, Vol 12, Pp 6684-6697 (2024)
In this research study, a metamaterial (MTM) based $1\times4$ linear antenna array is designed with an integrated butler matrix (BM) beamforming network (BFN) to execute the switched-beam antenna array (SAA) operation, which can be employed for sub-6
Externí odkaz:
https://doaj.org/article/bbd5c9da26fa4c6ebebabecd9b09d006
Publikováno v:
IEEE Access, Vol 12, Pp 7896-7910 (2024)
Current wireless communications urgently need to provide huge data rates, high gain and high directivity radiation pattern beams. Therefore, beamforming networks (BFNs) are introduced to provide these needs. Butler matrix (BM) is a type of beamformin
Externí odkaz:
https://doaj.org/article/f6d8109426e448c8ae0089814f2a7bbd
Autor:
Khairul Hilmi Yusof, Farid Zubir, Mohamad Kamal A. Rahim, Narendra Kumar, Zubaida Yusoff, Peter Gardner, Thomas Johnson
Publikováno v:
IEEE Access, Vol 11, Pp 77254-77266 (2023)
This paper discussed a systematic design approach for reactance compensated class-E power amplifier. The theory behind conventional Class-E is described then differences between reactance compensation Class-E is explained and derived. The reactance c
Externí odkaz:
https://doaj.org/article/5251c341ef994f9fa94fbae502bc37dc
Autor:
Umar Musa, Shaharil Mohd Shah, Huda A. Majid, Ismail Ahmad Mahadi, Mohamad Kamal A. Rahim, Muhammad Sani Yahya, Zuhairiah Zainal Abidin
Publikováno v:
IEEE Access, Vol 11, Pp 30996-31009 (2023)
The design and analysis of a compact dual-band wearable antenna for WBAN applications is presented. The antenna was prototyped on a semi-flexible Rogers Duroid RO3003 $^{\mathrm{ TM}}$ with compact dimensions of $41\times44$ mm2 which corresponds to
Externí odkaz:
https://doaj.org/article/6cc8dad9d8e14d58acb45e2fc83096a7
Publikováno v:
IEEE Access, Vol 10, Pp 1162-1174 (2022)
This article presents a hybrid metasurface split beam antenna for fifth-generation (5G) mobile applications at 3.5 GHz. Multi-beam antennas with high directivity are required for a 5G mobile network. It can be achieved by having an array antenna. Usi
Externí odkaz:
https://doaj.org/article/468caf8fd1af437b9301506d7a729723
Autor:
Abdulkadir Bello Shallah, Farid Zubir, Mohamad Kamal A. Rahim, Huda A. Majid, Usman Ullah Sheikh, Noor Asniza Murad, Zubaida Yusoff
Publikováno v:
IEEE Access, Vol 10, Pp 88434-88456 (2022)
Beamforming networks for multiple beam antennas are believed to be in the vanguard of technological developments in mmWave for 5G wireless applications. The basic idea of beamforming technique is the application of multiple antenna elements radiating
Externí odkaz:
https://doaj.org/article/689302dfa2054a8eaeb56a1d3936f261
Autor:
Zulbirri Faizol, Farid Zubir, Norhafezaidi Mat Saman, Mohd Hafizi Ahmad, Mohamad Kamal A. Rahim, Osman Ayop, Muzammil Jusoh, Huda A. Majid, Zubaida Yusoff
Publikováno v:
Applied Sciences, Vol 13, Iss 17, p 9605 (2023)
The detection of partial discharge (PD) activities in high-voltage equipment can be conducted according to several mechanisms of signal detection, including electromagnetic wave signal detection, acoustic signal detection, chemical reactions, electri
Externí odkaz:
https://doaj.org/article/f38c110f2f934f72a0eb90efbb720941