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WLAN - Science topic
Explore the latest publications in WLAN, and find WLAN experts.
Publications related to WLAN (10,000)
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The medical, financial, and academic spheres can't function without cutting-edge technological advancements. When it comes to quality of service (QoS) metrics like latency, throughput, bandwidth, and security, today's technology relies on high-performance networks. The use of optimized network engineering tools has allowed for the simulation of bot...
This work presents a compact, low-cost hexa-band microstrip antenna for Internet of Things (IoT) applications. The proposed hexa-band antenna is composed of simple six-λ/4 resonators to generate six resonant frequencies: GSM 1.84 GHz (1.8–1.89 GHz), Bluetooth 2.31 GHz (2.25–2.375 GHz), WiMAX 3.3 GHz (3.16–3.47 GHz), WiFi 4.63 GHz (4.34–5 GHz), uppe...
This paper presents a simple and efficient approach for an antenna design and construction based on an I-shaped slot-loaded triple wideband microstrip monopole antenna with novel radio frequency (RF) power/energy harvesting capability. The proposed antenna takes advantage of circular ring shape properties, loaded with an I-shaped slot with degraded...
The analysis and measurement of radio signals plays considerable role in WLAN applications. 802.11ac is the common standard of WLAN. 802.11ac is known as high throughput WLANs on 5GHz. 802.11ac have 1gbps throughput with multi station and 500mbps with single station. The aim of this research work is to investigate performance of IEEE 802.11ac regar...
This research presents a compact Ultra-Wideband (UWB) microstrip patch antenna with triple band-notched characteristics for WiMAX, WLAN, and X − band applications. The antenna features a rectangular radiator with a trimmed base, a partially defective ground structure (DGS), and three nested ‘U’- and inverted -‘U’shaped slots. A DGS with complementa...
Sub-6 GHz frequency band offers enhanced channel capacity and adequate bandwidth for wireless 5G automotive applications. Such applications demand user equipment antenna terminal with multiple resonating frequencies with acceptable gain to ensure the reasonable data rate for effective communications. To meet these specific requirements a H-Shaped f...
This paper presents the design and analysis of a flexible circular microstrip antenna with a coplanar waveguide for use in a wearable wireless health monitoring system. The antenna applies a Split Ring Resonator (SRR) in place of a traditional monopole patch, which allows two different resonant frequencies to be generated. The antenna is built on a...
Next-generation wireless networks will be designed via all-IP-based network framework that ensures seamless mobility and universal access to Internet via wireless networks. Also over the past few years, wireless network has gained its popularity due to its exorbitant volume and reasonable access cost. Despite its familiarity owing to the constraint...
Wireless Local Area Networks (WLANs) have become important to current digital infrastructures, linking various devices and enabling smooth data transmission. However, their ubiquity makes them attractive targets for cybercriminals, who constantly look for imaginative techniques to access wireless networks. With its predictive, adaptive, and very re...
This study describes the design and implementation of microstrip bandpass filter for 5G applications. The proposed bandpass filter analysis was carried out using ANSYS ELECTRONIC DESKTOP. The filter has been modelled, fabricated and its performance has been evaluated using MS2037C Anritsu Combinational Analyser. The proposed filter measures 40x40x1...
This work presents a multiple-input/multiple-output (MIMO) antenna consisting of dipoles with integrated baluns and a parasitic element to reduce mutual coupling, which can cover two frequency bands. The configuration of the decoupling element is determined by using an optimization algorithm. The algorithm takes nine physical dimensions of the deco...
This study describes the design and implementation of microstrip bandpass filter for n77, n78 and n79 5G applications. The proposed bandpass filter analysis was carried out using ANSYS ELECTRONIC DESKTOP. The filters have been modelled, fabricated and their performance has been evaluated using Vector Network Analyzer. The proposed filter measures 4...
This paper presents a compact four-port cylindrical dielectric resonator (CDR)-based MIMO antenna system designed for sub-6 GHz wireless communications. The proclaimed antenna integrates polarization and pattern diversity to enhance MIMO system performance. Two diagonally positioned alumina ceramic CDRs are aperture-coupled and arranged in an antip...
This study investigates the coverage area and channel bonding performance of millimeter-wave (mmWave) Multiple Input-Multiple Output (MIMO) systems, with a specific focus on 60 GHz Wireless Local Area Network (WLAN) communications under both line-of-sight (LOS) and non-line-of-sight (NLOS) conditions. As the demand for high-speed wireless data tran...
This work presents a miniaturized dual‐band wearable textile microstrip antenna with conformal traits and robust performance covering 2.45‐ and 5.38‐GHz wireless body area network (WBAN) and wireless local area network (WLAN) bands. The antenna size is 78% smaller than a conventional antenna. The proposed antenna design incorporates the logo of the...
This paper presents a miniaturised dual-band modified U-shaped monopole antenna for 5G, Wi-Fi/WLAN/WiMAX and ultra-wideband (UWB) applications. The antenna is designed and optimised using computer simulation technology (CST) microwave studio (MWS) suite version 2019. It features a circular patch modified into a U-shape by introducing geometrical sl...
This study, titled "Evaluation of Rain Effect on the Quality of Service of Wireless Local Area Network Using Fractal Dimension in Mubi Metropolis," examines the influence of seasonal rainfall on the performance of Wireless Local Area Networks (WLANs). The analysis focuses on key Quality of Service (QoS) parameters, including throughput, latency, an...
This work aims to provide an integrated independent antenna system suitable for various radio frequency communication applications. This system’s construction entails the amalgamation of multiple independent antennas into a unified system. The proposed integrated antenna system comprises three separate antennas. The antennas include the CR antenna...
This paper presents the design and implementation of a quad-port circular polarized Dielectric Resonator Antenna (DRA) with Multiple-Input Multiple-Output (MIMO) capabilities and beam tilting features. The beam tilting feature allows for dynamic adjustment of the radiation pattern, improving signal coverage and reducing interference in complex envi...
This paper presents the design of a novel ultra-wideband (UWB) Multiple Input Multiple Output (MIMO) antenna with triple-band notches. In the proposed design, two antenna elements are positioned within a 38 × 29 mm² area, using a common ground plane. I-, C-, and U-shaped slots are incorporated to reject frequencies in the WiMAX, WLAN, and X bands,...
Design of a new miniaturized FF-PIFA (Folded Fractal Planar Inverted F-antenna) with dual-band resonant behavior is (multi-input multi-output) applications. Firstly, the fourth iteration Koch's fractal geometry has been applied to the edges of the conventional rectangular patch structure to create a single miniaturized antenna. Then for further min...
In wireless sensor networks (WSNs), antennas play a crucial role in
enlarging network capacity, prolonging transmission distances, fostering
spatial reuse, and minimizing interference. This paper delineates a
miniature rectangular patch antenna featuring partial grounding,
meticulously engineered for the WLAN (wireless local area network) to
p...
The increasing deployment of IEEE 802.11ax (Wi-Fi 6) networks necessitates an accurate assessment of radiofrequency electromagnetic field (RF-EMF) exposure under realistic usage scenarios. This study investigates the duty cycle (DC) and corresponding exposure levels of Wi-Fi 6 in controlled laboratory conditions, focusing on bandwidth variations, m...
In recent years, arrays have been widely used in many applications, especially those applications that need high guidance, whether in military, medical, or other applications. Arrays are highly oriental, unlike single antennas. In this work, we analyze the effect of the insulating substrate insulation constant on the 2X2 microstrip patch antenna ar...
In this letter, a tri‐band on‐body/off‐body wearable substrate integrated waveguide (SIW) textile antenna operating in the World Interoperability for Microwave Access (WiMAX) band (2.3–2.69 GHz; 3.3–3.8 GHz) and WLAN band (5.15–5.825 GHz) is proposed. The antenna uses a SIW resonant cavity, which allows multiple frequency points to be excited to ac...
High-speed and low-loss compact antennas are in great demand due to their requirement in high-performance wireless communication systems. This paper presents a compact circularly polarized rectangular microstrip patch antenna for triple-band applications in the frequency band of the sub-8 GHz (3.1–7.6 GHz) range. The electrical length of the antenn...
In this article, a compact dual-band, two-element MIMO antenna is presented. The antenna is designed with jute substrate. Dielectric properties of jute material are measured and fully utilized to design the antenna. The antenna covers the frequency range of 2.15–2.87 and 5.13–5.86 GHz which satisfies full WLAN band (2.4–2.485 GHz and 5.15–5.85 GHz)...
This paper presents an elliptical monopole antenna integrated with metamaterial structures to achieve band-notched characteristics. Five narrowband spectrums are notched to mitigate interference in the ultra-wideband (UWB) spectrum. Satellite communication in the C-band (3.7 to 4.2 GHz) and the wireless local area network (WLAN) band (5.15 to 5.35...
This paper presents a frequency reconfigurable monopole antenna developed for UWB/Ku band applications. The design employs a microstrip-fed Reuleaux-triangle-shaped patch with a defected ground structure. The antenna exhibits a wide operating bandwidth achieved due to rectangular slits integrated into the Reuleaux-triangle patch. Meanwhile, adding...
Cette étude a pour objectif d'identifier les facteurs qui poussent l'intégration des WLAN dans les établissements d'enseignements supérieur et universitaire en RDC. Grâce à une analyse factorielle exploratoire menée sur un échantillon de 218 étudiants a permis aux auteurs de cette recherche de structurer 13 items initiaux de leur questionnaire en 8...
This paper presents a simple design of a two-element antenna with circularly polarized (CP) reconfigurability for multiple-input multiple-output wireless local-area network (WLAN) applications. A MIMO element consists of a reconfigurable feeding network, a CP source, and a 2 × 2 unit-cell metasurface (MS). By controlling the ON/OFF state of PIN dio...
Wireless networks have experienced tremendous growth, particularly in the telecommunications sector, with various technologies such as cellular networks, Wireless Local Area Networks (WLAN), Bluetooth, Mobile Ad-hoc NETworks (MANETs), Ultra-WideBand (UWB), and Wi-Max. Multi-hop wireless networks, composed of diverse devices like wireless transceive...
This paper presents a dual-polarized textile antenna with an integrated polarization conversion metasurface (PCM) for Wireless Body Area Network (WBAN) applications. The proposed quad-band antenna design achieves linear-to-circular polarization conversion at 1.9 GHz and 6.1 GHz through a 5 × 5 PCM, enabling enhanced circular polarization performanc...
The design and implementation of a six‐port MIMO dielectric resonator (DR) antenna (DRA) featuring diverse radiation patterns for wireless applications has been rendered in this article. The antenna structure is organized as a coplanar waveguide (CPW), fed three cylindrical DRs installed on the upper and lower sides of the substrate to achieve dive...
The emergence of wireless networks will empower the smart factory to achieve the next level of efficiency, connectivity, and flexibility while contributing to the development of a sustainable ecosystem. However, the coexistence of cellular networks and WLAN in factories requires an efficient access service to ensure seamless coverage and provide hi...
This paper presents a novel dual-band Dielectric Resonator Antenna (DRA) with a hemispherical cavity within a cylindrical structure, designed for WLAN applications. The antenna resonates at 4.7 GHz and 5.8 GHz, covering key WLAN bands. The hemispherical cavity enhances dual-band performance while reducing material usage, improving efficiency. Simul...
This work contributes a compact FSS antenna novel dual-band miniaturized planar antenna for 5G Sub 6 GHz implementations and its design considered the challenge of designing an antenna with reduced dimensions, which in turn is expected to be more cost-effective to produce and exhibit lower interferences compared to existing market solutions. The lo...
This paper presents a novel multi-layer, dual-band antenna array designed for WLAN and X-band applications, incorporating several innovative features. The design employs a pentagon-shaped radiating element with parasitic strips to enable dual-band operation. A dual-transformed feed network with chamfered feed strip corners minimizes radiation disto...
In the modern era of wireless communications, there is an ever increasing demand for compact antennas. The antennas that can operate across multiple frequency bands while effectively rejecting potential interfering signals. This need arises from the rapidly growing number of wireless systems and applications coexisting within the limited available...
This manuscript serves to introduce an ultra-wideband fractal antenna, which combines the Sierpinski carpet and Giuseppe Peano fractal structures along with a new developed ground geometry, intentionally created for ultra-wideband applications. The High Frequency Structure Simulator HFSS was employed to conduct a deep analysis on the suggested ante...
Introducción: Las actuales redes de fibra óptica instaladas en los hogares proporcionan una seguridad relativamente avanzada con múltiples opciones de configuración. Sin embargo, no se encuentra exento de posibles fallos o de que los usuarios se vean expuestos a múltiples amenazas que pueden comprometer su seguridad y su privacidad. Metodología: Ba...
In this letter, a new technique to the design of an ultra-wideband (UWB) monopole hexagonal antenna with triple band-rejected functions and to restrict the interferences with the exist bands is proposed, the design has the form of a hexagonal patch and a ground plane having rectangular shaped etched in the back side of the substrate to achieve the...
This article presents a compact dual-band reconfigurable antenna design utilizing a metasurface integrated with an RF varactor and PIN diode for Bluetooth, Wi-Fi, WLAN, and 5G wireless applications. The results of the study show that using the metasurface reflector (MSR) structure gives a much higher gain than using a decagon antenna without a meta...
The IEEE 802.11 standard, commonly referred to as Wi-Fi, has become an essential component of our daily lives, providing wireless local area networking (WLAN) capabilities. More than one billion Wi-Fi access points facilitate the connection of almost one hundred billion Internet of Things (IoT) devices, such as smartphones, tablets, laptops, deskto...
This paper presents a novel additively manufactured antenna array on a flexible polymeric substrate for conformal mobile applications. The antenna consists of two identical z-shape patch elements integrated with symmetrical arrangements and right-angle ground assemblies to converge the dispersed radiation pattern for gain improvement. For planar fe...
With the evolution of radio astronomy, related education and training, the demand for scalable, efficient, and remote systems in data acquisition, storage, and analysis has significantly increased. Addressing this need, we have developed a web interface for a log-periodic dipole antenna (LPDA) array integral to the SKA Test activities at the Gaurib...
This paper presents a novel, wideband, and flexible coplanar waveguide (CPW) antenna design on a low‐cost denim substrate. The antenna exhibits conformal properties and achieves robust dual‐band performance. The antenna achieves a maximum gain of 6.18 dB at 6.5 GHz and a peak efficiency of 98% at 2.45 GHz in normal conditions. The fabricated protot...
This paper presents a hybrid dielectric resonator antenna (HDRA) for circularly polarized (CP) radiation at 5 GHz, designed for WLAN applications. The antenna features a single probe feed that excites a combination of a circular ring patch and a cylindrical dielectric resonator (DR) element, achieving stable gain across a wide bandwidth. The parame...
A Nanocomposite filled flexible compact circular shaped multiband antenna proposed for improving radiation characteristics of various wireless bands. A Yagi shaped radiator modified to a coplanar waveguide fed circular ring patch and ground that cover six bands with good isolation and its radiation is enhanced by nanocomposite filled slots in feed...
This study reveals the vulnerabilities of Wireless Local Area Networks (WLAN) sensing, under the scope of joint communication and sensing (JCAS), focusing on target spoofing and deceptive jamming techniques. We use orthogonal frequency-division multiplexing (OFDM) to explore how adversaries can exploit WLAN's sensing capabilities to inject false ta...
In this paper, based on bionics, a flexible multi-band antenna is designed to mimic the structure of a spider’s web, which supports various communication standards such as 4G, 5G, and GPS. The antenna lays out multiple loop branches in a limited space to achieve wideband operations from 1.31 GHz to 2 GHz (42.4%), from 3.4 GHz to 4 GHz (16.2%), and...
This paper presents a novel double-sided structure multi-band antenna that cleverly combines a Koch snowflake structure with a hexagonal fractal structure; the front of the antenna features a right semicircle minus a half-order Koch snowflake structure, while the back of the antenna showcases a left semicircle minus half of a hexagonal fractal snow...
This study proposes a novel 2.45 GHz wideband 2 × 2 circularly polarized (CP) slot antenna array, which consists of irregularly hexagonal slot CP antenna elements and a sequentially rotated phase feed network. The CP antenna element has a single-layer, single-fed, simple structure. Designing the CP antenna element does not require stacked layers, d...
This work presents a wireless data distribution system for operation at millimeter-wave (mm-wave) frequencies. The system aims to avoid gaps in the wireless line-of-sight coverage in areas with otherwise prohibitive shadowing effects caused by obstacles and walls. Dual-polarized polymer dielectric fiber is proposed for low-loss signal distribution...
In the era of ubiquitous electronic devices, immunity testing is essential to ensure these devices’ operational efficacy and safety. This study focuses on the growing challenge of assessing immunity in the context of modern wireless communication technologies, such as 5G and WLAN, which are not yet fully addressed by current international standards...
This paper proposes a simple, low-cost, and practical hybrid integration design of a 5G FR2 millimeter-wave antenna module based on a thin flexible printed circuit (FPC) and a 5G FR1 microwave antenna based on a metal frame. The hybrid integration design can maximally save precious printed circuit board (PCB) space for more competitive 5G and beyon...
This study investigates the coverage area and channel bonding performance of millimeter-wave (mmWave) Multiple Input-Multiple Output (MIMO) systems, with a specific focus on 60 GHz Wireless Local Area Network (WLAN) communications under both line-of-sight (LOS) and non-line-of-sight (NLOS) conditions. As the demand for high-speed wireless data tran...
In this article, a single circular patch radiator element of radius 25 mm ≈ 0.417λ<sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">c</sub> is excited by six 50 Ω co-axial probe feeds spaced equally by 600 to generate six non-orthogonal polarized decoupled radiations with non-orthogonal pattern diversity...
This research presents the design of a compact dual-port UWB MIMO antenna. The primary challenge in designing UWB MIMO antennas lies in achieving a low-frequency band of 3.1 GHz while maintaining a small size. By modifying the patch shape to a tapered configuration and incorporating an inset feed and a slit for WLAN notch band, a rectangular monopo...
In wireless sensor networks (WSNs), antennas play a crucial role in enlarging network capacity, prolonging transmission distances, fostering spatial reuse, and minimizing interference. This paper delineates a miniature rectangular patch antenna featuring partial grounding, meticulously engineered for the WLAN (wireless local area network) to promot...
The innovative design presents a new hexagonal ring-shaped microstrip antenna capable of operating at triple-band high-gain for WLAN/WiMAX and 5G applications. The antenna structure comprises concentric circular ring patches with a single feed line via a modified plus-shaped structure, resulting in a triple band that enhances return loss, gain, and...
To address the severe spectrum shortage in mobile networks, the 3rd Generation Partnership Project (3GPP) standardized Long Term Evolution (LTE)-License Assisted Access (LAA) technology. The LTE-LAA system ensures efficient coexistence with other existing unlicensed systems by incorporating listen-before-talk functionality and conducting random bac...
To support the coexistence of long-term evolution (LTE)-license-assisted access (LAA) and wireless local area network (WLAN) in unlicensed bands, the load-based listen-before-talk (LB-LBT) scheme has been developed, incorporating channel sensing and backoff functions similar to those used in WLAN. In the LB-LBT scheme, the contention window size an...
This paper presents a comprehensive overview of microstrip antennas for wireless communication applications. Microstrip antennas have gained significant attention due to their compact size, low profile and ease of integration with modern electronic circuits. The design principles, configurations and performance characteristics of microstrip antenna...
Microstrip antennas are currently one of the rapid growing antennas in modern telecommunication industry. Research has been carried out in the recent past to improve the efficiency and performance of these patch antennas. The objective of this paper is to design and fabricate a 16 element rectangular microstrip patch array antenna in S-band frequen...
In this paper we design a dual band patch antenna for Wi-Fi application and using it works in two different frequencies the first one in bandwidth of 480 MHz and impedance bandwidth of 18.75% (2.32. to 2.8 GHz) with resonant frequency 2.56 GHz this band can cover the Wi-Fi the second bandwidth is 4 GHZ and the impedance bandwidth 53.33% (5 GHz – 9...
Ultra-wideband (UWB) systems because of unique characteristics including specific frequency spectrum allocated by the Federal Communication Committee (FCC) obtained many applications in modern communication technologies like industrial IOT, outdoor and indoor positioning, healthcare and biomedical, intelligent home electronics and so forth. UWB Ant...
Abstract — This paper concerns the design of a Wireless
Local Area Network (WLAN). The Wireless Local Area
Network in Enugu State University of Science and Technology,
Nigeria is taken as a case study. The purpose of this work is to
monitor and analyze the network in order to determine the
distance, free space loss, transmitted power, received powe...
The foundation of quality and successful teaching is the satisfaction and joy ofstudents due to what they have learned, the quality of knowledge, and the connectionbetween students, both with teachers and among themselves. It is precisely newknowledge and new technologies that enable this, influencing the reform andenhancement of the educational sy...
Javadahmaesuko,mortezacoobin,sahrammohana,sarazaremanesh A compact hexagonal antenna for wireless communication is proposed in this paper. The antenna resonates at 2.45GHz (ISM) band. The antenna has an overall dimension of only 7.6cm X 5.8cm which shows a good size reductioncompared to antennas operating in the WLAN band. The simple design, feedin...
A compact, multiband flexible antenna for off-body communication at 2.45 GHz and ultrawideband (UWB) low and high bands is presented as required by the IEEE 802.15.6™ standard, 2012. The antenna exhibits a directional radiation pattern and provides good gain along with a low specific absorption rate (SAR). The proposed antenna has a compact footpri...
A novel multi-band band-reject filter based on multi-ring complementary split-ringresonators (multi-ring CSRRs) is presented. The proposed filter is realized by etching the multi-ringCSRRs in the ground plane beneath a microstrip line. The multi-ring CSRR offers the possibility ofdesigning multi-band filters with a small size and simple structure....
In this paper a tri-band heart shaped Microstrip patch antenna is presented for Bluetooth and C-band applications. The proposed antenna has symmetrical properties and has been designed by etching heart shaped structure on FR-4 substrate with coaxially fed input. It radiates for Bluetooth, WLAN and WIMAX Frequency bands. The gain at 2.4 GHz, 5.4 GHz...
This paper presents a gap coupled triple band slot loaded microstrip patch antenna with parasitic patches. It consist inverted U‐shape and inverted T‐shape open‐ended slots along with a rectangular slot at center of patch. The inverted U‐shape open‐ended slot generates a driven patch at bottom side and an inverted U‐shape parasitic patch at middle...
Due to the environmental factors, tunnel linings often experience water leakage, which affects the structural safety and shorten the operation life of the tunnel. While some computer vision-based studies aim to replace manual inspections, they still encounter challenges such as limited segmentation accuracy. In this study, we introduce a Water Leak...
To solve the problem that the efficiency decreases with the increase of terminal nodes in wireless local area network(WLAN) distributed parallel simulation, a WLAN-oriented distributed hierarchical parallel simulation method is proposed. Firstly, considering the WLAN star network topology, the process of the simulated access point (AP) is denoted a...
This research explores the versatility of a miniature reconfigurable antenna designed for a variety of wireless applications: 5G (IEEE 802.15.3), WLAN (IEEE 802.11), V2X (IEEE 802.11 p), WiMAX (IEEE 802.166), Wi-Fi 6E (IEEE 802.11 ax), Wi-Fi 7 (IEEE 802.11 be), C-band (from 4 GHz to 8 GHz), and X-band (from 8 GHz to 12 GHz). To enable frequency rec...
Broadband Wireless Access (BWA) adalah jenis jaringan lokal nirkabel dengan keunggulan pada jumlah pengguna, jangkauan yang luas, serta kecepatan tinggi, sesuai dengan standar IEEE 108.16. Seiring meningkatnya kebutuhan akan akses internet stabil dan cepat, beberapa wilayah, termasuk Kecamatan Lembah Gumanti, menghadapi kendala dalam pengembangan i...
This paper presents an ultra-wideband (UWB) microstrip antenna with a simple structure operating at 2.2–6 GHz bandwidth. The proposed antenna has been demonstrated for its suitability in UWB and multi-band applications, such as wireless local area network (WLAN), Wi-Fi, 5G, Internet of Things (IoT), etc. The antenna is shown to use a simple folded...
Wireless local area network (WLAN) has gained widespread application as a convenient network access method, demanding higher network efficiency, stability, and responsiveness. High-performance filters are crucial components to meet these needs. Film bulk acoustic resonators (FBARs) are ideal for constructing these filters due to their high-quality...
This paper presents a dual-band fully integrated high linearity CMOS power amplifier (PA). The PA employs a reconfigurable transformer in the input matching network to achieve low reflection coefficient across both bands, demonstrating significant flexibility in the design of dual-band power amplifiers with high output powers. Additionally, a detai...
In this paper, a novel topology and method for designing a multi-band rectenna is proposed to improve its RF-DC efficiency. The rectifier achieves simultaneous rectification using both series and parallel configurations by connecting two branches to the respective terminals of the diode, directing the energy input from two ports to the anode and ca...
As the Internet of Things (IoT) advances, low-cost, intelligently networked wireless sensor networks (WSNs) are being developed and deployed at cloud edge locations to enable new Internet-based services. However, energy consumption in these networked smart sensors is a significant concern. This work focuses on using an ultra-wideband (UWB) multiple...
This article presents the design of a metamaterials-based hybrid wideband bandpass filter (WB-BPF) supporting several advanced communication applications. The suggested filter uses multiple-mode resonators (MMRs) and metamaterial complementary split-ring resonators (CSRRs). Coupling frequencies are optimized by stretching the coupled lines parallel...
In this research paper, a compact rectangular microstrip antenna (MSA) loaded with notch and slots is designed and optimized to intensify the bandwidth of antenna with high figure of merit (FOM). A parametric investigation has been carried out to examine the effects caused by different length and width of slot and feed. The bandwidth of antenna is...
Di era digital saat ini, jaringan yang cepat dan andal sangat penting untuk menunjang operasi bisnis, termasuk di perusahaan supplier scaffolding seperti CV. Victory Globalindo Jaya. CV. Victory Globalindo Jaya menghadapi tantangan dalam mempertahankan kinerja jaringan WLAN yang memadai untuk mendukung operasional bisnisnya. Kinerja jaringan yang k...
This paper presents a very low–profile self‐decoupled four/six‐element multiple‐input multiple‐output (MIMO) antenna. Dielectric properties as measured of a manufactured biomass substrate are used to design the antenna. On the antenna's top surface, two types of asymmetric antenna elements are used. Among the six elements—two pairs are symmetric, a...
An ultra-wideband fractal design antenna
with reconfigurable band rejections is presented. It has the
ability to operate in eight modes by rejecting or allowing
specific frequency bands for World Interoperability for
Microwave Access (WiMAX), Wireless Local Area
Network (WLAN), and satellite applications. The proposed
antenna’s structure mainly con...
In this article, a rectangular dielectric resonator (DR) based multiple input multiple output (MIMO) hybrid antenna with a machine learning (ML) optimization approach for 5G New Radio (NR), WiMAX, WLAN, Wi‐Fi 6, Vehicle to Everything (V2X), and C‐band uplink applications are presented. The proposed antenna provides a triple band. It covers n1, n2,...
This article focuses on reducing mutual coupling between the ports of dielectric resonator antenna (DRA) using defected ground structures (DGSs). The antenna has the dimension of 50 mm × 50 mm × 8.5 mm. The resonating element in the proposed two-port radiator consists of a cylindrical structure of alumina ceramic (ɛ r = 9.8). The rectangular-shaped...
The article explores a quad‐port compact (56 × 56 × 1.5 mm³) multiple‐input multiple‐output (MIMO) antenna developed on a colored resin fiber material encompassing enhanced isolation for wideband applications. The design antenna configuration incorporates four ground stubs positioned among antenna pairs on the upper section of the substrate and eig...
This paper investigates the frequency- and time-domain features of an extremely compact super-wideband slot antenna designed for impulse radio (IR) ultra-wideband (UWB) and biomedical applications. The antenna employs a circular radiation patch and a rectangular slot in the ground plane, with optimized dimensions to achieve super-wide bandwidth. To...
This study presents a slotted compact microstrip antenna with reconfigurable feature to provide either a single, dual or triple band notch function. The antenna is specifically developed for applications that require a large frequency range, known as ultra-wideband (UWB) applications.The suggested antenna achieves an ultra-wideband (UWB) characteri...
This paper presents a novel, compact, and a dual-port MIMO antenna designed for ultrawideband, Sub-6 GHz, Industrial, Scientific, and Medical (ISM) band, and Internet of Things (IoT) applications. The antenna uses a stretchable jeans textile substrate embedded with elastomeric materials, enhancing its dielectric properties and flexibility. The inno...
This article introduces a novel design methodology of a re-configurable tri-band matching network along with Power Amplifier (PA) that supports the latest WLAN applications. The implemented matching network/circuit, specifically designed for the 2.4 GHz band, enables amplifier to achieve a linear power exceeding 11 dBm. Incorporating the proposed m...
In this paper, two new types of dual-band antennas are presented: a coplanar waveguide (CPW)-fed fractal monopole antenna (FMA) and an asymmetric coplanar strip (ACS)-fed fractal half-monopole antenna (FHMA). These antennas are designed to operate in two distinct bands suitable for 3.5/5.5 GHz WiMAX and 5.2/5.8 GHz WLAN applications. Both antennas...
A miniaturized asymmetric coplanar strip fed with meander lines is developed for hexaband wireless applications. Multiband with compact size of the antenna is developed by using meander lines. The designed antenna is enhanced by an increased number of meander lines. The invented antenna is composed of three meander lines, it yields the antenna to e...
This paper presents a five‐element antennas system formed by integrating one sensing and four reconfigurable communicating antennas on a single substrate for cognitive radio applications in the 2.4 and 5 GHz WLAN bands. The five antennas are termed as A‐1, A‐2, A‐3, A‐4, and A‐5, where A‐1 is designed to sense in the 2.4 (2.4–2.484 GHz) and 5 GHz (...