Article
Computer Science, Information Systems
Mohamad Yafik Ihtisyam Yazid, Mohd Hafiz Baharuddin, Mohammad Shahidul Islam, Mohammad Tariqul Islam, Ali F. Almutairi
Summary: This paper presents the development of an antipodal Vivaldi antenna with a fractal slot, which has potential applications in multisensory systems for head stroke imaging. The fractal slot is utilized to enhance the antenna's directivity, bandwidth, and gain. The research aims to design and optimize a compact Vivaldi antenna with the fractal slot for detecting stroke in the human head. The proposed antenna achieves a wide bandwidth of 1.44 GHz (2.35 GHz to 3.79 GHz) and a maximum gain of 7.35 dBi, and it meets the requirements for microwave imaging procedures.
Article
Engineering, Electrical & Electronic
Xinrong Shi, Yunfei Cao, Yougen Hu, Xudong Luo, Hua Yang, Liang Hua Ye
Summary: The proposed ultrawideband antipodal Vivaldi antenna features various design elements such as an elliptical-shaped director, metamaterial inspired structure, and symmetrically embedded rectangular slits, achieving high gain and good impedance matching over an extremely wide frequency band.
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
(2021)
Article
Engineering, Electrical & Electronic
P. Prasanna Kumar, Prerna Saxena
Summary: This paper proposes a novel high gain antipodal tapered slot antenna for high resolution imaging applications in the frequency range of 20-40 GHz. By designing the radiating fins of the antenna as elliptical and circular shape for inner and outer tapers respectively, and incorporating an isosceles trapezoid-shaped dielectric lens and anisotropic left-handed metamaterial unit cells, the antenna achieves high gain and stable radiation pattern.
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS
(2022)
Article
Food Science & Technology
Joe Garvin, Feras Abushakra, Zachary Choffin, Bayley Shiver, Yu Gan, Lingyan Kong, Nathan Jeong
Summary: This paper proposes a novel microwave imaging system for detecting the ripeness of watermelon as a proof of concept. The design utilizes a circular array with 10 Coplanar Vivaldi antennas offering wide bandwidth, high gain, and high efficiency. S-parameters between antennas are quickly collected via automated channel switching for fast image generation. Comparisons with sample cross-sections show distinct differences in image characteristics based on watermelon maturity. Sugar concentration of unripe and ripe watermelon is also measured and plotted for further validation of the imaging technique.
CURRENT RESEARCH IN FOOD SCIENCE
(2023)
Article
Physics, Applied
Houyuan Cheng, Dong Yang, Lina Hua, Youcheng Wang, Helin Yang, Jiong Wu, Yujun Li
Summary: The proposed compact antipodal Vivaldi antenna with metamaterial half-lens allows for three different beam forms and beam scanning by adjusting operating frequency. Simulation results show that the antenna has wide impedance bandwidth and gain bandwidth, with an improved gain in the working band.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
(2021)
Article
Engineering, Electrical & Electronic
Zichao Zheng, Fangjun Chen, Ziyu Pan, Feng Xu
Summary: In this study, a high-gain and low-profile tapered slot antenna with a composite patch made of ellipse and spoof surface plasmon polaritons (sSPPs) structures is proposed. The fabricated antenna achieves a wide operating bandwidth of 82.3% (5-12 GHz) and shows good directivity and end-fire radiation performance.
ELECTRONICS LETTERS
(2022)
Article
Engineering, Electrical & Electronic
M. Sandhana Mahalingam, R. Pandeeswari, S. Deivalakshmi, Seokbum Ko
Summary: This paper presents a new compact Balanced Antipodal Vivaldi Antenna (BAVA) with asymmetrically meshed ground, square shaped metallic labyrinth, and dual scale edge treatment. The proposed antenna operates from 4 GHz to 18 GHz with good impedance matching and achieves high gain throughout the frequency band. The antenna's maximum size is 80 x 40 x 0.508 mm3. Numerical analysis and experimental validation are performed to study the radiation characteristics of the antenna.
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS
(2023)
Article
Engineering, Multidisciplinary
Aijaz Ahmed, Vineeta Kumari, Gyanendra Sheoran
Summary: This work introduces the design of a modified Vivaldi antenna and a metamaterial structure, and demonstrates their combined utilization for gain tuning. The study successfully enhances the antenna's bandwidth and gain by applying the metamaterial structure to the Vivaldi antenna. The research also showcases the potential application of metamaterial technology in antenna design.
MEASUREMENT SCIENCE AND TECHNOLOGY
(2021)
Article
Multidisciplinary Sciences
Amran Hossain, Mohammad Tariqul Islam, Gan Kok Beng, Saad Bin Abul Kashem, Mohamed S. Soliman, Norbahiah Misran, Muhammad E. H. Chowdhury
Summary: This paper presents a microwave brain imaging system using a metamaterial-loaded antenna array to detect brain tumors, with performance validated through a tissue-mimicking head phantom. The implemented system successfully detects and reconstructs brain tumor images after processing the collected scattering parameters.
SCIENTIFIC REPORTS
(2022)
Article
Chemistry, Analytical
Marwa Slimi, Bassem Jmai, Hugo Dinis, Ali Gharsallah, Paulo Mateus Mendes
Summary: A directional Vivaldi antenna was designed to detect tumor cells' electromagnetic waves at a frequency of around 5 GHz. The use of metamaterials reduced the antenna size by 33%. The optimized antenna design showed good agreement between measured and simulated results.
Article
Engineering, Electrical & Electronic
Avez Syed, Muntasir Sheikh, Mohammad Tariqul Islam, Hatem Rmili
Summary: This article presents the use of metamaterials in printed log periodic antennas for microwave imaging, enhancing the properties of far-field antennas for breast imaging. The antennas operate in the frequency bands of 3-3.3 GHz and 3.6-4.5 GHz, achieving a maximum gain of 5.5 dBi and impedance bandwidth of 3 GHz. The MTM-loaded antennas are capable of detecting undesired tumors inside the breast phantom.
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION
(2022)
Article
Nanoscience & Nanotechnology
Adam R. H. Alhawari, A. H. M. Almawgani, Ayman Taher Hindi, Hisham Alghamdi, Tale Saeidi
Summary: This study introduces a flexible wearable ultra-wideband antenna based on metamaterials for breast imaging and wireless body area network applications. The antenna is planar and made of flexible materials, providing a wide bandwidth range and high performance parameters.
Article
Engineering, Electrical & Electronic
Huanhuan Qi, Haiwen Liu
Summary: This paper proposes a wideband high-gain Vivaldi antenna based on spoof surface plasmon polaritons (SSPP) metamaterial for radio astronomy application. The height of the SSPP structures fits the exponential function, resulting in the exponential spoof surface plasmon polaritons (ESSPP) metamaterial. With the exponential heights, the ESSPP metamaterial corrects the phase difference in a wide band, improving the gain in the frequency range from 3 GHz to 9 GHz. The proposed antenna exhibits stable radiation patterns with an average gain of 10.6 dBi.
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS
(2023)
Article
Chemistry, Analytical
Adam R. H. Alhawari, Tale Saeidi, Abdulkarem Hussein Mohammed Almawgani, Ayman Taher Hindi, Hisham Alghamdi, Turki Alsuwian, Samer A. B. Awwad, Muhammad Ali Imran
Summary: This study presents a low-profile Multiple Input Multiple Output (MIMO) antenna with dual polarization, low mutual coupling, and acceptable diversity gain, meeting the requirements for 5G and satellite communications. By utilizing specific antenna structures and materials, it achieves wideband operation and low mutual coupling. The antenna offers a compact and flexible design suitable for wearable 5G and satellite communication applications.
Article
Engineering, Electrical & Electronic
Mengran Zhao, Shitao Zhu, Huilin Huang, Di Hu, Xiaoming Chen, Juan Chen, Anxue Zhang
Summary: A frequency-diverse metamaterial cavity antenna (FDMCA) for microwave coincidence imaging is proposed in the letter. By introducing the average electric-field variation to forecast correlation coefficients of radiation patterns, the FDMCA can reconstruct high-quality images and demonstrate its superiority.
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
(2021)
Article
Engineering, Electrical & Electronic
Anindita Bhattacharjee, Abhirup Bhawal, Anirban Karmakar, Anuradha Saha
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
(2020)
Review
Engineering, Electrical & Electronic
Utsab Banerjee, Anirban Karmakar, Anuradha Saha
INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES
(2020)
Review
Engineering, Electrical & Electronic
Anirban Karmakar
Summary: Fractals are self-similar subsets with infinitely complex structures, and their application in antenna design can exhibit many marvelous properties. This article summarizes the development of fractal antennas and arrays over the past few decades, highlighting contributions from IEEE journals, and encourages antenna researchers to continue exploring the application of fractal geometry in antenna technology.
INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES
(2021)
Article
Computer Science, Artificial Intelligence
Gouranga Mandal, Parthasarathi De, Diptendu Bhattacharya
Summary: The proposed vision-based fog removal method utilizes video processing techniques with dynamic patch and independent histogram equalization based on color channels to achieve clear visibility of hilly roads in dense fog. Real-time tests have shown that this method outperforms the latest approaches in enhancing visibility during heavy fog.
JOURNAL OF AMBIENT INTELLIGENCE AND HUMANIZED COMPUTING
(2021)
Review
Computer Science, Interdisciplinary Applications
Piyali Chakraborty, Utsab Banerjee, Anuradha Saha, Anirban Karmakar
Summary: This article introduces a new compact dielectric resonator (DR) wideband antenna design, with ultra-wideband (UWB) spectrum and dual-band circular polarization characteristics, covering UWB and C-band communication satellites.
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING
(2021)
Article
Computer Science, Artificial Intelligence
Gouranga Mandal, Diptendu Bhattacharya, Parthasarathi De
Summary: This article presents a real-time fast, low-light vision enhancement technique for drivers, allowing them to have a prominent real-time bright vision of the road and surrounding view at night, thus enabling easy differentiation of objects, potholes, and pedestrians on the road.
JOURNAL OF AMBIENT INTELLIGENCE AND HUMANIZED COMPUTING
(2022)
Article
Computer Science, Artificial Intelligence
Gouranga Mandal, Diptendu Bhattacharya, Parthasarathi De
Summary: The vision problem of drivers during the night is mainly due to the high-intensity headlight-beam from oncoming vehicles, researchers proposed a new night vision system to solve this issue using local enhancement techniques in different regions and adaptive Gaussian filtering.
JOURNAL OF REAL-TIME IMAGE PROCESSING
(2021)
Article
Engineering, Electrical & Electronic
Anindita Bhattacharjee, Anirban Karmakar, Anuradha Saha, Diptendu Bhattacharya
Summary: A new compact ultra-wideband (UWB) multiple-input multiple-output (MIMO) antenna with band notch characteristics is presented in this study, which shows wide impedance bandwidth and good interference suppression within the operating frequency range of 3.1-20 GHz. The antenna design incorporates unique elements such as T-shaped stubs and Minkowski fractal shape elements on the ground plane to reduce coupling between antenna elements and achieve band notch at 5.45 GHz.
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
(2021)
Article
Computer Science, Artificial Intelligence
Sonal Jain, Dharavath Ramesh, Diptendu Bhattacharya
Summary: This paper proposes a multi-objective optimization algorithm by combining two optimization algorithms to improve crop benefits and reduce fertilizer application, demonstrating feasibility and effectiveness in optimizing crop patterns.
APPLIED SOFT COMPUTING
(2021)
Article
Engineering, Electrical & Electronic
Shabana Huda, Anuradha Saha, Anirban Karmakar
Summary: This paper presents a new method for achieving wideband inverted Sierpinski Carpet fractal geometry using a rectangular dielectric resonator antenna (DRA). The proposed DRA has advantages such as high gain, efficiency, wide bandwidth, low conduction loss, and minimum surface waves. It offers a stable omnidirectional radiation pattern, maximum measured gain of 7.01 dBi, and an average efficiency above 97% over the region of operation.
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
(2023)
Article
Computer Science, Information Systems
Gouranga Mandel, Diptendu Bhattacharya, Parthasarathi De
Summary: An effective solution has been proposed in this article to help a driver make overtaking decisions on a two-lane single carriageway road under adverse night time dark conditions. By observing taillights and headlights of vehicles, the assistance system can estimate distances, speeds, and safe conditions for overtaking, achieving high accuracy over state-of-the-art techniques using a low-cost 2D camera.
COMPUTACION Y SISTEMAS
(2021)
Proceedings Paper
Engineering, Electrical & Electronic
Anindita Bhattacharjee, Amar Sankar Chowdhuri, Anuradha Saha, Anirban Karmakar, Diptendu Bhattacharya
2020 IEEE REGION 10 SYMPOSIUM (TENSYMP) - TECHNOLOGY FOR IMPACTFUL SUSTAINABLE DEVELOPMENT
(2020)