Article
Engineering, Electrical & Electronic
Liang Hua Ye, An Tang He, Jian Feng Li, Jing Tao Zeng, Kun Huang
Summary: This paper proposes a dual-wideband planar dipole antenna for WLAN and WiMAX applications. The antenna consists of a U-shaped dipole fed by a parallel double transmission line. The U-shaped dipole generates a wide lower band and a narrow higher band. To expand the higher band, two pairs of strips are symmetrically embedded in the U-shaped arms of the dipole. Test results demonstrate that the antenna achieves two wide bandwidths, approximately 53.6% (2.33-4.02 GHz) and 23.7% (5.04-6.45 GHz), in the higher and lower frequency bands, respectively, satisfying the requirements of the entire 2.4/5.2/5.8-GHz WLAN and 2.5/3.5/5.5-GHz WiMAX bands.
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
(2023)
Article
Engineering, Electrical & Electronic
C. Thiripurasundari, M. Mahadevi, V. Sumathy, C. Thiruvengadam
Summary: This paper proposes the design of a penta-band slot radiator for WLAN, WiMAX, and C band antennas, utilizing dielectric substrate material and special structures to cover multiple frequency bands with improved return loss.
INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS
(2022)
Article
Multidisciplinary Sciences
Mohammadreza Rohaninezhad, Meysam Jalali Asadabadi, Changiz Ghobadi, Javad Nourinia
Summary: In this study, a transparent super wideband CPW antenna was designed and built with the combination of solar panels for use in wireless communication equipment and systems that require mobile power. The antenna demonstrated high transparency and conductivity, and performed well in terms of frequency range and performance parameters testing.
SCIENTIFIC REPORTS
(2023)
Article
Telecommunications
Mahesh S. Mathpati, Md Bakhar, Veerendra Dakulagi
Summary: This paper presents a novel approach in designing fractal antennas operating at 2.45 GHz, focusing on a combination of Koch and Sierpinski fractal antenna with jeans as substrate material. The antenna design can radiate at multiple frequencies with good performance, showing good conformity between simulation and experimental results.
WIRELESS PERSONAL COMMUNICATIONS
(2021)
Article
Computer Science, Information Systems
Yu-Ming Lin, Hung-Wei Wu, Cheng-Yuan Hung, Shoou-Jinn Chang, Ran Liu
Summary: In this paper, a small transparent thin film antenna is proposed for a wireless capsule endoscopy system. The transparent thin film antenna is necessary for a clear 360-degree broad-sight view of the wireless capsule system in the future. The nano-alignment process is used to achieve low resistivity and improved transparency of the proposed transparent thin film antenna.
Article
Telecommunications
N. Sathishkumar, V Nandalal, Rajesh Natarajan
Summary: This article proposes a dual band frequency reconfigurable antenna for WiMAX and WLAN applications. The antenna exhibits dual mode operation and the operating modes can be switched using PIN diodes. The antenna is fed using a coaxial feed to minimize spurious radiation. With a small footprint and wide impedance bandwidth, the proposed antenna is capable of operating in multiple frequency bands.
WIRELESS PERSONAL COMMUNICATIONS
(2023)
Article
Engineering, Electrical & Electronic
P. Arockia Michael Mercy, K. S. Joseph Wilson
Summary: The research paper introduces a triple-band cross-slotted antenna that is developed on FR4 substrate with an elongation of the microstrip feed line, suitable for WLAN and WiMAX applications. By inserting slots on the patch and ground plane, the antenna achieves resonance at three different frequency bands, with enhanced bandwidth, minimal return loss, and improved efficiency.
MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS
(2022)
Article
Engineering, Electrical & Electronic
Yu-Xiang Sun, Di Wu, Xiao Sheng Fang, Jian Ren
Summary: This paper presents a low-cost printed-circuit-board (PCB) technology-based on-glass grid structure and its application in highly-transparent antenna for the internet of vehicles. The feasibility of the grid structure on a glass substrate for high optical transparency (OT) is demonstrated by comparing it with a conventional solid structure. The relationship between OT and electrical performance is derived, and the on-glass grid structure is employed in the design of a CPW-fed wideband end-fire antenna.
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
(2023)
Article
Telecommunications
Arun Raj, Durbadal Mandal
Summary: This article proposes modified fractal antennas for wideband applications, with a resonance frequency range of 10-40 GHz. The proposed designs show increased gain and enhanced radiation properties, making them suitable for 5G and 6G communication applications.
TRANSACTIONS ON EMERGING TELECOMMUNICATIONS TECHNOLOGIES
(2023)
Article
Multidisciplinary Sciences
Musa Hussain, Esraa Musa Ali, Wahaj Abbas Awan, Niamat Hussain, Mohammad Alibakhshikenari, Bal S. Virdee, Francisco Falcone
Summary: This paper presents the design of a triband antenna that can be electronically configured to operate at different frequencies. The antenna's performance was optimized using a 3D electromagnetic solver and its performance was verified through measurements. The proposed technique can be used in moderately flexible wireless devices without compromising the antenna's gain, radiation efficiency, and radiation patterns.
Article
Chemistry, Multidisciplinary
Sungsik Wang, Hyunsoo Kim, Hyun Kim, Hosung Choo
Summary: In this paper, a polarization-selective electromagnetic transparent mesh-type E-shaped antenna unit-cell in a shared aperture is proposed. The proposed design addresses the blockage effect and improves electromagnetic transparency by rotating different band elements and using a mesh structure. Experimental results confirm the effectiveness of the proposed design.
APPLIED SCIENCES-BASEL
(2022)
Article
Computer Science, Interdisciplinary Applications
Yuqiu Shang, Qingsheng Zeng, Qian Wang, Xinwei Wang, Feng Shang, Gengqi Zheng
Summary: A circularly polarized and frequency reconfigurable microstrip antenna with loading inductive is proposed in this paper. By controlling the state of the PIN diodes, the resonant frequency of the antenna can be changed, and the corresponding circuit model is also established. The experimental results show that the antenna can achieve frequency reconfiguration and are in good agreement with the simulation results.
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING
(2023)
Article
Computer Science, Interdisciplinary Applications
K. Karthika, K. Kavitha
Summary: This paper proposes a low-profile, versatile antenna that can reconfigure frequency and radiation pattern. The proposed antenna uses three PIN diode switches to connect patches of different lengths for frequency reconfiguration and applies the Yagi-Uda principle to alter the radiation pattern. The antenna shows acceptable radiation performance in all switching states.
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING
(2023)
Article
Engineering, Electrical & Electronic
Masood Fathipour, Loghman Asadpor
Summary: This paper proposes a metamaterial-based multilayer antenna for WiFi and WiMAX applications. The antenna achieves a gain of more than 15 dB through its multilayer structure, and the shape of the radiation patterns is also appropriate. The fabricated antenna is fully measured, and the measurement and simulation results are in excellent agreement.
IET COMMUNICATIONS
(2023)
Article
Computer Science, Information Systems
Xinyan Yang, Xianfeng Liu
Summary: A novel wide-beam microstrip patch array antenna is proposed for automotive radar applications in this paper. By introducing the coupled-mode technology, the antenna design achieves an inclined unit radiation beam. The array elements are arranged alternately and in opposite phases to simultaneously realize wide-beam characteristics and high gain performance, showing great potential in automotive radar.
Article
Engineering, Electrical & Electronic
Bashar Ali Esmail, Huda Bin Majid, Zuhairiah Binti Zainal Abidin, Samsul Haimi Bin Dahlan, Mohamed Himdi, Muhammad Ramlee Kamarudin, Mohamad Kamal Rahim
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
(2019)
Article
Engineering, Electrical & Electronic
Muhammad Inam Abbasi, Muhammad Yusof Ismail, Muhammad Ramlee Kamarudin
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION
(2020)
Article
Engineering, Electrical & Electronic
Suhail Asghar Qureshi, Zuhairiah Zainal Abidin, Adel Yahya Isa Ashyap, Huda A. Majid, Muhammad Ramlee Kamarudin, Ma Yue, Mohd Syis Zulkipli, Jamel Nebhen
Summary: This paper presents a metamaterial-based sensor for characterising cooking oils, operating at millimetre-wave frequencies with high sensitivity in transmission coefficient changes and low error rates. The sensor is designed on a 12×8mm² Rogers substrate and has significant applications in detecting the chemical characteristics of liquids in the chemistry and medicine fields.
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION
(2021)
Article
Engineering, Electrical & Electronic
Ismahayati Adam, Muhammad Ramlee Kamarudin, Ali H. Rambe, Norshakila Haris, Hasliza A. Rahim, Wan Zuki A. Wan Muhamad, Arif M. Ismail, Muzammil Jusoh, Mohd Najib M. Yasin
Summary: This study analyzed the effects of bending on the performance of a textile antenna and found that the antenna's performance remained acceptable even when the structure was deformed at different radii and angles, with measured results agreeing well with simulations.
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION
(2021)
Review
Engineering, Electrical & Electronic
Azuwa Ali, Mohd Najib Mohd Yasin, Wan Fahmin Faiz Wan Ali, Norsuria Mahmed, Muhammad Ramlee Kamarudin, Ismahayati Adam, Muzammil Jusoh, Hasliza Abdul Rahim, Shing Fhan Khor, Nurulazlina Ramli, Norshamsuri Ali
Summary: Magnetic resonant coupling (MRC) is widely used in wireless power transfer (WPT) systems to enhance distance while maintaining power transfer efficiency (PTE). The use of dielectric material as a resonator can improve PTE by reducing ohmic losses, addressing a common issue with traditional resonators.
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION
(2021)
Article
Engineering, Electrical & Electronic
Akrem Asmeida, Zuhairiah Zainal Abidin, Shaharil Mohd Shah, Muhammad Ramlee Kamarudin, Norun Abdul Malek, Jamel Nebhen
Summary: A novel antenna design utilizing a defected ground structure and a crescent-slot radiating patch is proposed for achieving broad impedance bandwidth, with improved performance and compactness by adding a narrow rectangular slot on the ground plane. The reliability of the antenna was evaluated by comparing two different numerical softwares. The design showed good impedance matching and high efficiency, making it suitable for modern wireless communication systems.
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION
(2021)
Article
Computer Science, Information Systems
Muhammad Inam Abbasi, Muhammad Yusof Ismail, Muhammad Ramlee Kamarudin, Qammer H. Abbasi
Summary: This work presents the design and analysis of active reflectarray antennas in X-band frequency range with slot embedded patch element configurations. Two active reflectarray design technologies using PIN diodes and liquid crystal-based substrates are proposed. The PIN diode-based design offers higher frequency tunability and dynamic phase range compared to the liquid crystal-based design, which demonstrates higher reflection loss and slower frequency tuning.
WIRELESS COMMUNICATIONS & MOBILE COMPUTING
(2021)
Article
Engineering, Electrical & Electronic
Ammar Alhegazi, Zahriladha Zakaria, Noor Azwan Shairi, Muhammad Ramlee Kamarudin, Rammah A. Alahnomi, AzieanMohd Azize, Wan Haszerila Wan Hassan, AmyrulAzuanMohd Bahar, Ahmed Jamal Abdullah Al-Gburi
Summary: This article proposes a novel micro-uidic sensor with a highly accurate Q-factor for liquid detection. The sensor is developed using a gap waveguide cavity resonator (GWCR) approach, which improves sensitivity and linearity. By analyzing the changes in electric field behavior, the sensor can measure the dielectric properties of the tested liquid, such as permittivity and loss tangent.
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION
(2022)
Article
Computer Science, Information Systems
Siti Rahena Isa, Muzammil Jusoh, Thennarasan Sabapathy, Muhammad Ramlee Kamarudin, Mohamed Nasrun Osman, Akram Alomainy
Summary: A low-profile and broad steerable patch array antenna is presented in this paper. The number of directional beams is increased by 40% using the inter-parasitic element expansion technique and only four PIN diode switches. Simulation and measurement results have confirmed the capability of generating seven beam patterns with gains of more than 7 dBi using this antenna design.
Article
Computer Science, Information Systems
Haji Said Fimbombaya, Nerey H. Mvungi, Ndyetabura Y. Hamisi, Hashimu U. Iddi
JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING
(2020)
Article
Computer Science, Information Systems
Adel Y. I. Ashyap, Samsul Haimi Bin Dahlan, Zuhairiah Zainal Abidin, Muhammad Hashim Dahri, Huda A. Majid, Muhammad Ramlee Kamarudin, See Khee Yee, Mohd Haizal Jamaluddin, Akram Alomainy, Qammer H. Abbasi
Article
Computer Science, Information Systems
Adel Y. I. Ashyap, Samsul Haimi Bin Dahlan, Zuhairiah Zainal Abidin, Muhammad Inam Abbasi, Muhammad Ramlee Kamarudin, Huda A. Majid, Muhammad Hashim Dahri, Mohd Haizal Jamaluddin, Akram Alomainy
Article
Computer Science, Information Systems
Lai Ly Pon, Chee Yen Leow, Sharul Kamal Abdul Rahim, Akaa Agbaeze Eteng, Muhammad Ramlee Kamarudin
Article
Engineering, Electrical & Electronic
Liyana Zahid, Muzammil Jusoh, R. Badlishah Ahmad, Thennarasan Sabapathy, Mohd Fareq Malek, Muhammad Ramlee Kamarudin, Mohd Najib Yasin, Mohamed Nasrun Osman
APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL
(2019)
Article
Computer Science, Information Systems
Kashif Nisar Paracha, Sharul Kamal Abdul Rahim, Ping Jack Soh, Muhammad Ramlee Kamarudin, Kim-Geok Tan, Yew Chiong Lo, Mohammad Tariqul Islam
