Ladislau Matekovits
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View article: On the Role of Artificial Intelligent Technology for Millimetre-Wave and Terahertz Applications
On the Role of Artificial Intelligent Technology for Millimetre-Wave and Terahertz Applications Open
Next-generation wireless communication networks are developing across the world day by day; this requires high data rate transportation over the systems. Millimeter-wave (mm-wave) spectrum with terahertz (THz) bands is a promising solution…
View article: Antenna Designs for 5G/IoT and Space Applications, 2nd Edition
Antenna Designs for 5G/IoT and Space Applications, 2nd Edition Open
Antenna design has received renewed attention in the last few years [...]
View article: A pocket-integrated miniature, dual-band, and high gain textile MIMO antenna for 5G and WiFi wearable applications
A pocket-integrated miniature, dual-band, and high gain textile MIMO antenna for 5G and WiFi wearable applications Open
This paper reports a miniature low-profile denim textile 2-port MIMO (multiple-input-multiple-output) antenna for dual-bands: 5G sub-6 3.5 GHz and Wi-Fi 5.2 GHz wearable applications. This MIMO antenna has impedance bandwidths and peak gai…
View article: Design and Analysis of Wideband Single-Layer Reflectarray Antenna for Remote Sensing and Environmental Monitoring
Design and Analysis of Wideband Single-Layer Reflectarray Antenna for Remote Sensing and Environmental Monitoring Open
In this article, a wideband single-layer reflectarray antenna for Ku-band applications is presented. The proposed reflectarray antenna is suitable for applications such as fixed satellite service (FSS), broadcasting satellite service (BSS)…
View article: An Eight-Port Frequency Reconfigurable MIMO Antenna Using Liquid Dielectrics
An Eight-Port Frequency Reconfigurable MIMO Antenna Using Liquid Dielectrics Open
In this paper, an 8-port compact fluidic-based frequency reconfigurable MIMO antenna is designed and developed. The antenna employs eight modified U-shaped slots arranged in a array on the top surface of a substrate integrated waveguide (…
View article: Experimental Validation of a Multi-Functional Metasurface for 5G and Satellite Communication
Experimental Validation of a Multi-Functional Metasurface for 5G and Satellite Communication Open
In this article, a single layer, ultrathin, multiband, and multifunctional reflective polarization converting metasurface (PCMS) is presented that can perform linear to linear (LTL) orthogonally with respect to the incident polarization, a…
View article: Measurement and performance evaluation of triple band differential integrated extraoral rectifying antenna for data transfer and RF energy harvesting for tongue drive system
Measurement and performance evaluation of triple band differential integrated extraoral rectifying antenna for data transfer and RF energy harvesting for tongue drive system Open
View article: Design and performance investigation of metamaterial-inspired dual band antenna for WBAN applications
Design and performance investigation of metamaterial-inspired dual band antenna for WBAN applications Open
This paper presents the design and analysis of a metamaterial-based compact dual-band antenna for WBAN applications. The antenna is designed and fabricated on a 0.254 mm thick semi-flexible substrate, RT/Duroid® 5880, with a relative permi…
View article: A Compact Wearable Textile Antenna for NB-IoT and ISM Band Patient Tracking Applications
A Compact Wearable Textile Antenna for NB-IoT and ISM Band Patient Tracking Applications Open
This paper proposes a novel multi-band textile monopole antenna for patient tracking applications. The designed antenna has compact footprints (0.13λ02) and works in the narrow band-internet of things (NB-IoT) 1.8 GHz, radio frequency iden…
View article: Conjointly active and passive modelings with deep neural networks as fully automated optimizations for upper-mid band 6G communications
Conjointly active and passive modelings with deep neural networks as fully automated optimizations for upper-mid band 6G communications Open
Today wireless systems include the fifth and sixth generations (5G and 6G) technologies and are growing day by day that result in exponentially increasing data traffic. For providing a reliable and high performance radio frequency (RF) des…
View article: Deeply Implanted Conformal Antenna for Real-Time Bio-Telemetry Applications
Deeply Implanted Conformal Antenna for Real-Time Bio-Telemetry Applications Open
The design and experimental verification of a deeply implanted conformal printed antenna is presented. The hip implant acts as the ground plane for a coaxial-cable-fed trapezoidal radiator designed to transmit biological signals collected …
View article: Compact Self-Octaplexing Circular EMSIW Antenna for Sub-6 GHz Communication Systems
Compact Self-Octaplexing Circular EMSIW Antenna for Sub-6 GHz Communication Systems Open
A compact eighth mode circular substrate integrated waveguide (EMSIW) self-octaplexing antenna is proposed for sub-6 GHz communication systems in this paper. The designed antenna consists of coaxial fed eight EMSIW cavity resonators arrang…
View article: Design and Performance Measurement of Worn-on-Body Instrumental Ultra-Miniaturized UWB Wearable Patch for e-Health Monitoring
Design and Performance Measurement of Worn-on-Body Instrumental Ultra-Miniaturized UWB Wearable Patch for e-Health Monitoring Open
A conformal, ultra-miniaturized, circuit integrated ultra-wideband (UWB) coplanar-waveguide (CPW) antenna system for worn-on-body applications is developed in this article. The performance study of the proposed antenna is performed over a …
View article: Beam-Steering Antenna Technique Using Operational Amplifiers for Sub-6 GHz
Beam-Steering Antenna Technique Using Operational Amplifiers for Sub-6 GHz Open
A methodology for beam-steering using operational amplifiers (Op-amps) is presented. Continuous steering is required in various advanced applications and its implementation necessitates additional efforts since singularly control of the fe…
View article: A Planar Wideband Antenna for Full Duplex Communication With Significant Peak Gain
A Planar Wideband Antenna for Full Duplex Communication With Significant Peak Gain Open
This paper presents a compact and planar, in-band full-duplex antenna that offers significant isolation across a broad range of frequencies. In order to attain a wide impedance bandwidth within a limited physical space, two half-resonating…
View article: Optimizing Indoor Localization Accuracy with Neural Network Performance Metrics and Software-Defined IEEE 802.11az Wi-Fi Set-Up
Optimizing Indoor Localization Accuracy with Neural Network Performance Metrics and Software-Defined IEEE 802.11az Wi-Fi Set-Up Open
Accurately classifying regions based on Wi-Fi signals can be a difficult task, especially when considering different frequency values. In this study, we aimed to improve the accuracy of indoor localization by developing a novel approach th…
View article: Beam-Switching Antennas for 5G Millimeter-Wave Wireless Terminals
Beam-Switching Antennas for 5G Millimeter-Wave Wireless Terminals Open
Beam-switching is one of the paramount focuses of 28 GHz millimeter-wave 5G devices. In this paper, a one-dimensional (1D) pattern reconfigurable leaky-wave antenna (LWA) was investigated and developed for wireless terminals. In order to p…
View article: Author Index
Author Index Open
View article: Circularly polarized differential intra-oral antenna design validation and characterization for tongue drive system
Circularly polarized differential intra-oral antenna design validation and characterization for tongue drive system Open
Assistive devices are becoming increasingly popular for physically disabled persons suffering tetraplegia and spinal cord injuries. Intraoral tongue drive system (iTDS) is one of the most feasible and non-invasive assistive technology (AT)…
View article: Low-loss MIMO antenna wireless communication system for 5G cardiac pacemakers
Low-loss MIMO antenna wireless communication system for 5G cardiac pacemakers Open
Cardiovascular diseases (CVDs) are one of the leading causes of death globally. The Internet of things (IoT) enabled with industrial, scientific, and medical (ISM) bands (2.45 and 5.8 GHz) facilitates pacemakers to remotely share heart hea…
View article: Design and Experimental Validation of a Switchable Frequency Selective Surface with Incorporated Control Network
Design and Experimental Validation of a Switchable Frequency Selective Surface with Incorporated Control Network Open
Tunable/switchable devices are more and more required in modern communication systems. However, the realization of the tuning requires the presence of active devices, which in turn must be biased. The current paper comes up with a solution…
View article: Glueless Multiple Input Multiple Output Dielectric Resonator Antenna with Improved Isolation
Glueless Multiple Input Multiple Output Dielectric Resonator Antenna with Improved Isolation Open
In this dissemination, a glueless compact dual port dielectric resonator antenna (DRA) is proposed for X-band applications. A prototype has been fabricated with RT Duroid substrate and Eccostock (ϵr = 10)-made DRA. The ring shaped DRA is e…
View article: Amplifiers in Biomedical Engineering: A Review from Application Perspectives
Amplifiers in Biomedical Engineering: A Review from Application Perspectives Open
Continuous monitoring and treatment of various diseases with biomedical technologies and wearable electronics has become significantly important. The healthcare area is an important, evolving field that, among other things, requires electr…
View article: Design and SAR Analysis of AMC-Based Fabric Antenna for Body-Centric Communication
Design and SAR Analysis of AMC-Based Fabric Antenna for Body-Centric Communication Open
This study focused on the design and analysis of an artificial magnetic conductor (AMC)-based fabric antenna for body-centric communication. The antenna was made of felt and had a loss tangent of 0.044 and relative permittivity of 1.3. The…
View article: A 37 GHz Millimeter-Wave Antenna Array for 5G Communication Terminals
A 37 GHz Millimeter-Wave Antenna Array for 5G Communication Terminals Open
This work presents, design and specific absorption rate (SAR) analysis of a 37 GHz antenna, for 5th Generation (5G) applications. The proposed antenna comprises of 4-elements of rectangular patch and an even distribution. The radiating ele…
View article: Enhancing the Radiation Pattern of Circularly Polarized Dielectric Rod Antenna Using Planar Excitation Method
Enhancing the Radiation Pattern of Circularly Polarized Dielectric Rod Antenna Using Planar Excitation Method Open
In this article, by placing a teflon tube around a circularly polarized dielectric resonator antenna, a dielectric rod antenna with a directive radiation pattern is obtained. In fact, a new planar method for the excitation of circularly po…
View article: Design, Analysis and Applications of Wearable Antennas: A Review
Design, Analysis and Applications of Wearable Antennas: A Review Open
Wearable antennas are the vital components for Body Centric Communication (BCC). These antennas have recently gained the attention of researchers and have received a great deal of popularity due to their attractive characteristics and oppo…
View article: Perfectly conducting cylinder covered by two layers of dielectric separated by an infinitely thin impedance layer: multiple suppression of the scattered field harmonics (rigorous approach)
Perfectly conducting cylinder covered by two layers of dielectric separated by an infinitely thin impedance layer: multiple suppression of the scattered field harmonics (rigorous approach) Open
We propose and develop a novel rigorous technique that enables one to obtain the explicit numerical values of parameters at which several lowest-order harmonics of the scattered field are suppressed. This provides partial cloaking of the o…
View article: A New Compact FSIW Fed Dielectric Resonator Antenna for Millimeter Wave Band Applications
A New Compact FSIW Fed Dielectric Resonator Antenna for Millimeter Wave Band Applications Open
A new waveguide feeding scheme of a rectangular DRA based upon the folded substrate integrated waveguide concept is presented. The most important characteristics of this antenna are a good radiation efficiency of above 87% at high frequenc…
View article: Author Correction: Deep neural learning based optimization for automated high performance antenna designs
Author Correction: Deep neural learning based optimization for automated high performance antenna designs Open