Article
Chemistry, Analytical
Praveen Kumar, Tanweer Ali, Manohara M. M. Pai
Summary: This paper presents a compact, closely placed dual band-notched UWB antenna design using a neutralization line as a decoupling structure. The antenna achieves dual notches through U-shaped and inverted U-shaped slots, and exhibits good performance for MIMO wireless applications.
Article
Chemistry, Analytical
Aiting Wu, Mingyang Zhao, Pengquan Zhang, Zhonghai Zhang
Summary: This paper presents a compact four-port MIMO antenna for ultrawideband applications. The antenna has a small size and a wide bandwidth, making it a promising candidate for UWB applications.
Article
Multidisciplinary Sciences
Lekha Kannappan, Sandeep Kumar Palaniswamy, Malathi Kanagasabai, Preetam Kumar, M. Gulam Nabi Alsath, Sachin Kumar, Thipparaju Rama Rao, Mohamed Marey, Apeksha Aggarwal, Jayaram K. Pakkathillam
Summary: This paper presents a twelve-port ultra-wideband multiple-input-multiple-output (MIMO)/diversity antenna integrated with GSM and Bluetooth bands. It offers a wide bandwidth and diversity characteristics, making it suitable for automotive applications.
SCIENTIFIC REPORTS
(2022)
Article
Optics
Devesh Sharma, Ravi Kumar, Rajesh K. Vishwakarma
Summary: A compact 4-port MIMO antenna with dual band is proposed for 5 GHz WLAN and 5G NR sub-6 GHz n77/n78/n79 band applications. Low mutual coupling and compactness are achieved using a top ring resonator. This antenna shows good performance for multiple applications in wireless technology.
Article
Computer Science, Information Systems
Zhijian Chen, Weisi Zhou, Jingsong Hong
Summary: In this paper, a compact four-element ultra-wideband MIMO antenna with triple band-notched characteristics is proposed. The antenna achieves high isolation and polarization diversity, with three notched bands in agreement with WiMAX, WLAN, and X-band interference bands. This antenna shows potential for UWB-MIMO wireless communication applications.
Article
Chemistry, Analytical
Mohamed Atef Abbas, Abdelmegid Allam, Abdelhamid Gaafar, Hadia M. Elhennawy, Mohamed Fathy Abo Sree
Summary: This paper introduces a printed multiple-input multiple-output (MIMO) antenna that is compact in size, has good MIMO diversity performance, and a simple geometry for 5G millimeter-wave applications. The antenna operates in the Ultra-Wide Band (UWB) from 25 to 50 GHz, using Defective Ground Structure (DGS) technology. The compact size makes it suitable for integrating different telecommunication devices for various applications, and positioning the antenna elements orthogonally to each other enhances their diversity performance.
Article
Computer Science, Information Systems
Zhengrui He, Jie Jin
Summary: This paper proposes a compact and highly isolated four-port ultra-wideband MIMO antenna, which achieves broadband characteristics through etching a metamaterial structure and designing coplanar waveguide feeds. The designed MIMO antenna exhibits good radiation properties and gain, while improving isolation through polarization diversity technology.
Article
Engineering, Electrical & Electronic
Shuang Luo, Daiqiang Wang, Yuqing Chen, Ershi Li, Chong Jiang
Summary: The article presents a compact dual-port ultra-wideband multiple-input multiple-output antenna with quadruple rejection bands. By adding specific components to the antenna structure, successful suppression in multiple frequency bands has been achieved while maintaining good performance indicators.
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS
(2021)
Article
Computer Science, Information Systems
Ryo Takigawa, Shunsuke Kai, Haruichi Kanaya
Summary: This paper presents a thin 2 x 2 circularly polarized slot array antenna for high-band ultra-wideband (UWB) system. The antenna's design and characteristics are investigated through simulation and measurement. The experimental results show that the maximum gain of the prototype array antenna is 6.94 dBi at 9.02 GHz. The compact size and high gain of the antenna make it suitable for high-band UWB applications.
Article
Engineering, Multidisciplinary
Sahar Saleh, Widad Ismail, Intan Sorfina Zainal Abidin, Moh'd Haizal Jamaluddin, Mohammed H. Bataineh, Asem S. Alzoubi
Summary: By changing the transition shape from Microstrip to Slot line, a compact UWB Vivaldi Tapered Slot Antenna design was achieved. Among the four models analyzed, Model D exhibited significant size reduction and improved performance, with hardware measurements confirming the validity of the proposed antennas.
ALEXANDRIA ENGINEERING JOURNAL
(2022)
Article
Chemistry, Analytical
Shahid Basir, Ubaid Ur Rahman Qureshi, Fazal Subhan, Muhammad Asghar Khan, Syed Agha Hassnain Mohsan, Yazeed Yasin Ghadi, Khmaies Ouahada, Habib Hamam, Fazal Noor
Summary: This study presents a monopole 4 x 4 UWB-MIMO antenna system with a novel structure and excellent performance. The proposed design features triple-notched characteristics achieved by CSRR etching and a C-shaped curve. The design achieves notching at 4.5 GHz, 5.5 GHz, and 8.8 GHz frequencies in the C-band, WLAN band, and satellite network, respectively. CSRR etching at the feed line and ground plane, along with the use of a C-shaped curve, reduces interference and enables high isolation and polarization diversity. The small prototype dimensions of (60.4 x 60.4) mm(2) make it suitable for wireless communication and portable systems.
Article
Chemistry, Analytical
Liang Wang, Ziwei Li, Hongxing Zheng
Summary: This article designs two MIMO antennas with double-notch structures to solve the interference problem of narrowband systems on ultra-wideband (UWB) systems and meet the design requirements of high isolation.
Article
Computer Science, Interdisciplinary Applications
Hong Yuan, Fu-Shun Zhang, Jun-Jie Zhang, Yun-Xia Feng, Yuan-Fei Liu
Summary: This paper presents a compact ultra-wideband multiple-input-multiple-output slot antenna with dual band-notched performance. The novel transmission structure improves the impedance matching and achieves wideband characteristics. The in-phase superposition radiation of four-way open slots is realized by utilizing the odd mode operation of the transmission structure. The isolation and notched band characteristics are achieved through the T-slot structure and split-ring resonators.
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING
(2022)
Article
Multidisciplinary Sciences
Zhang Chao, Zhao Zitong, Xiao Pei, Yu Jie, Liu Zhu, Li Gaosheng
Summary: This paper proposes a step-by-step design procedure for obtaining independent dual band-notch performance in a tunable dual band-notched UWB antenna. The proposed antenna consists of a semicircle ring-like radiating patch, an elliptical-shaped slot, double split ring resonators, and a defected ground structure (DGS). By loading varactor diodes and changing the reverse bias voltage, a wider band-notched tuning range can be achieved. The experimental results show efficient suppression of narrow-band interference signals and improved antenna operating performance. The proposed antenna has a simple structure, low profile, compact size, and extensive independent tunable range.
SCIENTIFIC REPORTS
(2022)
Article
Computer Science, Information Systems
Seungyong Park, Kyung-Young Jung
Summary: This paper presents a novel compact UWB planar monopole antenna designed for precise indoor positioning system. The antenna operates in the frequency range of 3.1 GHz to 10.8 GHz and exhibits wide bandwidth and omnidirectional radiation patterns. The proposed design meets the requirements for integration with printed circuit boards and offers good performance in complex multipath environments.
Article
Engineering, Electrical & Electronic
Yatendra Kumar, Ravi Kumar Gangwar, Binod Kumar Kanaujia
Summary: This paper presents the design and analysis of a multi-band, dual-polarised monopole antenna, which achieves quad-band dual-polarised operation through a modified ground structure and the creation of unequal rectangular slots. The proposed antenna produces four individual frequency bandwidths with the dual sense of polarisation and exhibits constant gain profile.
INTERNATIONAL JOURNAL OF ELECTRONICS
(2023)
Article
Engineering, Electrical & Electronic
Yatendra Kumar, Ravi Kumar Gangwar, Binod Kumar Kanaujia
Summary: This manuscript presents a compact antenna design with dual-band circularly polarized (DBCP) characteristics. The proposed design includes a mushroom-shaped monopole with a modified ground structure (MGS) and generates dual-band CP behavior through a tunable side stub and a reshaped wide square slot. The antenna exhibits wide impedance bandwidth and good performance in both frequency bands.
Article
Engineering, Electrical & Electronic
Pankaj Kumar Keshri, Sanjay Kumar Sahu, Richa Chandel
Summary: This article presents a compact and highly isolated quad-port ultra-wideband MIMO antenna with dual-band notch characteristics. A modified Minkowski fractal structure and an inverted L-shaped stub are employed to achieve the compactness and high isolation. The antenna design allows for dual-band rejection suitable for wireless local area network and X-band satellite communication frequencies.
INTERNATIONAL JOURNAL OF ELECTRONICS
(2023)
Article
Engineering, Electrical & Electronic
Daasari Surender, Md. Ahsan Halimi, Taimoor Khan, Fazal A. Talukdar, Binod Kumar Kanaujia, Karumudi Rambabu, Ahmed A. Kishk
Summary: This article studies the characteristics of four spiral-facet structures for RF energy-harvesting applications. A rectangular dielectric resonance antenna (RDRA) is chosen and placed on an FR4-epoxy substrate. Metallic rectangular spirals are placed on the dielectric resonator (DR) surface to create resonances with insensitive polarization characteristics. The proposed spirals provide wideband/multiband characteristics at various frequencies and a minimum gain of 5 dBi. A broadband rectifier circuit with a staircase multistage transmission line matching network (MN) is proposed for RF-to-dc conversion, achieving a maximum power conversion efficiency (PCE) of 77.3% and an output voltage of 4.92 V at a 13.5 dBm input power level.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2023)
Article
Engineering, Electrical & Electronic
Sarita Ahlawat, Neeta Singh, Binod Kumar Kanaujia, Karumudi Rambabu
Summary: This article proposes a radiative near field power transfer system for intraoral tongue drive system (iTDS) which includes an intraoral differential rectenna and an external power transmitter. The differential rectifier and antenna were designed and fabricated, demonstrating high efficiency and good transmission performance. Simulations and measurements were conducted to prove the feasibility and practicality of the system in real applications.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2023)
Article
Engineering, Electrical & Electronic
Vikrant Kaim, Neeta Singh, Binod Kumar Kanaujia, Ladislau Matekovits, Karu P. Esselle, Karumudi Rambabu
Summary: This study presents a low RF power receiver that enables wireless power transfer at 2.45 and 5.8 GHz, converting the received power into DC power. Four dual-branch rectifiers were used in power transfer experiments, and the results showed that the RF-DC total power conversion efficiency was 0.51/1.64 mW at 1 W power level.
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
(2023)
Article
Engineering, Electrical & Electronic
Rajesh Kumar, Sachin Kumar, Binod Kumar Kanaujia
Summary: This paper proposes a Doherty power amplifier (DPA) structure based on Class-J power amplifier (PA) and Class-J(-1) PA for configurable Internet of Things (IoT) transmitters. The proposed DPA structure achieves wider bandwidth performance, high efficiency, and power gain flatness. Compared to existing DPAs, the proposed DPA exhibits higher efficiency, output power, and compact size.
INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS
(2023)
Article
Engineering, Electrical & Electronic
Niraj Agrawal, Anil Kumar Gautam, Karumudi Rambabu
Summary: This article presents an innovative design of a broadband circularly polarized compact planar antenna for RFID receivers. The proposed antenna structure utilizes slots loaded parasitic elements and a window-type slotted ground plane to achieve circularly polarized radiation and size reduction. Experimental results show that the designed antenna achieves a wide impedance bandwidth and axial ratio bandwidth in a compact size.
INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES
(2023)
Article
Computer Science, Information Systems
Ghanshyam Singh, Sachin Kumar, Ajay Abrol, Binod Kumar Kanaujia, Vijay Kumar Pandey, Mohamed Marey, Hala Mostafa
Summary: In this paper, a frequency reconfigurable multiband MIMO antenna is developed for 5G communication systems. The antenna element consists of a microstrip line, a divided monopole, and a ground plane. The antenna design includes a split-ring resonator (SRR) for multiple 5G application bands and an RF PIN diode for frequency diversity. The MIMO antenna is designed with improved inter-element isolation by orthogonally locating four antenna elements with connected ground planes. The prototype antenna, developed on an FR-4 substrate, matches the simulated outcomes and has an overall footprint of 70 x 70 x 1.6 mm(3).
Article
Engineering, Electrical & Electronic
Rajesh Kumar, Sachin Kumar, Binod Kumar Kanaujia
Summary: This paper presents an efficient Doherty power amplifier (DPA) with optimized harmonic impedance inverter. The proposed design includes carrier and peaking power amplifiers for class F- and class F-1-based operations. A multiharmonic non-uniform stepped-impedance transmission line-based input-output matching network is also designed. The fabricated chip exhibits high efficiency, power added efficiency, and gain, with a compact size compared to existing DPAs.
INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS
(2023)
Article
Engineering, Electrical & Electronic
Amit Das, Sonam Rewari, Binod Kumar Kanaujia, S. S. Deswal, R. S. Gupta
Summary: This paper proposes a compact analytical model to investigate the biosensing performance of a novel dielectric modulated triple surrounding gate germanium source metal-oxide-semiconductor field-effect transistor with a step graded channel. By solving the 2D Poisson's equation, the authors obtain analytical expressions for threshold voltage, channel potential, drain current, and sub threshold swing. They thoroughly study the sensitivity variation in the biosensor by varying different device parameters, and discuss the effect of fill-in factor for different biomolecules on the sensitivity. The analytical results show excellent agreement with the simulations done on SILVACO ATLAS TCAD simulator.
INTERNATIONAL JOURNAL OF NUMERICAL MODELLING-ELECTRONIC NETWORKS DEVICES AND FIELDS
(2023)
Article
Engineering, Electrical & Electronic
Amit Das, Sonam Rewari, Binod Kumar Kanaujia, S. S. Deswal, R. S. Gupta
Summary: This paper presents an analytical model of a dielectric modulated surrounding-triple-gate MOSFET with a germanium source-based biosensor, which shows improved sensitivity compared to a silicon source. The mathematical analysis is based on the center-channel potential obtained by solving Poisson's equation in the cylindrical coordinate system using a parabolic approximation. Various device metrics are investigated to study the biosensing performance for different charged and neutral biomolecules. The analytical results are validated and verified with numerical simulations conducted with the ATLAS TCAD simulator.
JOURNAL OF COMPUTATIONAL ELECTRONICS
(2023)
Article
Computer Science, Information Systems
Sumer Singh Singhwal, Ladislau Matekovits, Binod Kumar Kanaujia
Summary: A glueless compact dual port dielectric resonator antenna for X-band applications is proposed in this paper. The prototype is fabricated using RT Duroid substrate and Eccostock-made DRA. The DRA is excited by aperture coupled feeds with symmetry between the ports. Additional mechanical stability is provided by four cylindrical copper rods and four strips used to fix the DRA on the substrate. Impedance matching and bandwidth widening are achieved using eight copper strips. The antenna exhibits a measured impedance bandwidth of 10.5% and a maximum gain of 6.2 dBi. The compact size, low volume, and X-band operation make it suitable for various applications including satellite communication, weather radar, synthetic aperture radar, and telemetry tracking and control.
Article
Engineering, Electrical & Electronic
Sarita Ahlawat, Binod Kumar Kanaujia, Karumudi Rambabu
Summary: In this paper, a flexible and wearable differential extraoral antenna is proposed for tongue gesture inference in disabled individuals. The performance of the antenna is analyzed using a human head model and experimentally validated using an artificial headmodel. The antenna exhibits wide impedance bandwidth and peak gain, making it suitable for effective communication in eTDS applications.
IEEE JOURNAL OF ELECTROMAGNETICS RF AND MICROWAVES IN MEDICINE AND BIOLOGY
(2023)
Article
Engineering, Electrical & Electronic
Deepti Sharma, Sachin Kumar, Neeta Singh, Binod Kumar Kanaujia, Satya P. Singh, Aime Lay-Ekuakille
Summary: Wireless power transfer (WPT) systems are becoming popular for powering advanced multifunctional biomedical implantable devices. This article presents a WPT system that includes an antenna array and a rectenna, which is integrated inside an implanted leadless pacemaker's capsule. The system operates in dual bands and has the smallest footprint compared to other implantable rectennas.
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
(2023)
