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207 articles for “microwaves”
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Wireless Power System: Its Challenges and Issues
Abstract: Abstract: Wireless technology is a more reliable. The purpose of this paper is mainly to reduce without human interfacing, the transmission and distribution losses. It is a two-way communication; the cost for the power will be reduce for the consumer. Thus, it reduces the cost of transmission and distribution. As in this paper, we will discuss about the methods used recently in the wireless power transmission. We can research on …
Published in Journal Of Network security · Vol. 7, Issue 3, 2019 · pp. 41–43 Read article
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Teratology of Methyl Methacrylate (MMA) in Healthcare Workers
Abstract: Methyl Methacrylate (MMA) is a highly useful and generally “safe” biopolymer that is employed widely in the healthcare industry as a malleable and plastic acrylic material. MMA is used in healthcare treatment, especially in dentistry and orthopedic surgery. MMA may be self-cured, heated, microwaved, or light-cured into hardened acrylic plastic material. Self-curing of the combination of monomer liquid and polymer powder is the most common methodology of using MMA; the …
Published in Research and Reviews: A Journal of Dentistry · Vol. 5, Issue 3, 2014 · pp. 21–25 Read article
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Design and Simulation of Triple Band Microstrip Patch Antenna for Ku-band, K-band and Ka-band Applications
Abstract: AbstractThis paper represents a microstrip patch antenna for future 5G-communication technology. The proposed antenna designs are simulated and their performances are analyzed for different parameters like lower return losses, higher gain, voltage standing wave ratio (VSWR), current distribution, far field radiation and wide bandwidth performance for the tri-frequency band operation in Ku band (12–18 GHz),K-band (18–27 GHz) and Ka-band (27–40 GHz) as per the specified IEEE standard. The proposed antenna …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 7, Issue 1, 2020 · pp. 26–33 Read article
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Heteroatom modified carbon dots (N, P, K): synthesis, surface functionalization, and prospects for soil‑fertility enhancement
Abstract: Heteroatom‑functionalized carbon dots (H‑CDs) have emerged as a class of zero‑dimensional carbon nanomaterials offering tunable optical, electronic, and catalytic properties through controlled nitrogen, phosphorus, and potassium doping. This review highlights the chemistry and chemical‑technology dimensions of N‑, P‑, and K‑doped carbon dots (N‑CDs, P‑CDs, K‑CDs), focusing on their synthesis strategies, surface functionalization, and structure–property relationships. Conventional routes such as microwave‑assisted pyrolysis, hydrothermal carbonization, and one‑pot solvothermal methods are discussed, with …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 17, Issue 2, 2026 · pp. 30–35 Read article
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Performance Analysis of Mobile WiMAX Networks on Various Routing Protocols Using Strict Priority and Weighted Round Robin Scheduling Algorithm on CBR Traffic
Abstract: MobileWiMAX (Worldwide Interoperability Microwave Access) is a wireless system based on the IEEE 802.16e standard and it has emerged as the strongest contender for broadband wireless technology with promises to offer guaranteed Quality of Service (QoS). It offers support high mobility in WiMAX Networks. This paper presents a comparative performance analysis of Mobile WiMAX Networks AODV, DSR and OLSR routing protocols using Strict Priority and Weighted Round Robin Scheduling Algorithm …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 1, Issue 3, 2014 · pp. 13–26 Read article
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Research Issues in Integrated WiMAX and WLAN Networks: A Survey
Abstract: AbstractTo meet the ever-increasing user’s demand for uninterrupted service, coverage, capacity, current wireless technologies is migrating towards Next Generation Wireless Networks (NGWNs), which will be able to provide seamless communication with Always Best Connected (ABC), anytime anywhere features. Integrated Worldwide Interoperability for Microwave Access (WiMAX) and Wireless Local Area Network (WLAN) networks seems to be a promising approach as it is able to provide extended coverage area with high speed …
Published in Journal of Multimedia Technology & Recent Advancements · Vol. 4, Issue 3, 2017 · pp. 1–10 Read article
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Wimax Worldwide Inter Transfer Wireless for Wire Free World
Abstract: The main problem with broadband access today are that it is attractive pricey and it does not reach all areas. The main problem with WiFi access is that hot spots are very small, so exposure is sparse. What if there was a new expertise that solved all of these problems? This new expertise would provide: The high speed of broadband service. Wireless rather than wired access, so it would be …
Published in Journal of Open Source Developments · Vol. 2, Issue 3, 2015 · pp. 1–4 Read article
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Smart Grid use to Build Up the Communication Infrastructure
Abstract: Abstract: The Smart Grid of things to come, while expected to influence all territories of the electric power system, from generation, to transmission, to distribution, cannot work without a broad information correspondence framework. Smart Grid can possibly bolster abnormal amounts of Distributed Generation (DG); anyway, the present measures overseeing the interconnection of DG do not permit the usage of a few applications which might be gainful to the framework. This …
Published in Recent Trends in Programming languages · Vol. 6, Issue 3, 2019 · pp. 16–25 Read article
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Optimization of Microstrip Antenna for WLAN and WiMax Lower Band Applications
Abstract: In this article, novel antennas are investigated for WLAN (2.40–2.48 GHz) and WiMax lower band (2.495–2.695 GHz) applications. In this paper, two designs are proposed having the same patch length 29.4 mm, width 38 mm, dielectric constant 4.4 and substrate thickness of 1.6 mm. Simulated results of each proposed antenna such as bandwidth, return loss, VSWR and smith chart is presented. The proposed antennas are simulated with the help of …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 2, 2016 · pp. 19–24 Read article
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Triangular Slotted Microstrip Patch Antenna for Wireless Application
Abstract: Abstract In this article, a dumbbell shape microstrip patch antenna has presented mainly used for WLAN wireless applications. The simulated result shows that dual bandwidth of 49.07 and 9.47% are obtained covering the frequency range from 1.63 to 2.69 GHz and 3.42 to 3.76 GHz. The characteristics of the designed structure are investigated by using MoM based on IE3d. In the end, an extensive analysis of the return loss, radiation …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 3, 2016 · pp. 8–12 Read article
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A Compact Spiral Shape Microstrip Path Antenna
Abstract: Abstract In this article, novel design is proposed to develop a microstrip patch antenna for 1.70–2.60 GHz frequency with bandwidth 41.8%. In this paper, the design of proposed antenna has the dimensions 37.8×46.0 mm, dielectric constant 4.4 and substrate thickness of 1.6 mm. The simulated result of proposed antenna such as bandwidth, return loss and smith chart is presented. The proposed antenna is simulated with the help of IE3D simulator …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 3, 2016 · pp. 13–18 Read article
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High Gain Umbrella Shaped Wearable Textile Antenna
Abstract: Use of wearable antennas from textile materials is gaining popularity because of the miniaturization of wireless devices. A wearable antenna is a piece of the attire which is utilized for the various purposes like navigation, tracking, mobile and wearable computing and public safety. The permittivity and the thickness of the substrate determine the efficiency and bandwidth of a textile antenna which leads towards the development of smart fabrics. In this …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 2, 2017 · pp. 17–21 Read article
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Microstrip Antenna for Hiper LAN Application
Abstract: In this article, the simulated return loss, radiation pattern and gain of the proposed antenna have been studied. The presented antenna provides wide bandwidth of 76%, covering the Frequency range from 2.505 to 5.576 GHz, which is best suitable for WLAN and Hiper LAN application. Keywords: Patch antenna, Hiper LAN, efficiency, bandwidthCite this Article Niraj Kumar Sharma, Suryansh Chaudhary, Vinod Kumar Singh. Microstrip Antenna for Hiper LAN Application. Journal of …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 2, 2017 · pp. 22–25 Read article
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Design and Performance Analysis of a Compact Ultra-Wide Band Textile Antenna on Jeans Material and Bending Consequences
Abstract: This paper presents a novel design of a compact Ultra-wide band textile antenna which operates from the frequency range of 2.8–14 GHz, covering the entire ultra-wide band frequency range of 3.1–10.6 GHz, as approved by FCC. Hybrid design technique is applied to a simplified circular patch design and finally an octagonal shape is achieved that exhibits ultra-wide band characteristics. The substrate of the designed antenna is made of jeans fabric …
Published in Recent Trends in Electronics Communication Systems · Vol. 1, Issue 2, 2014 · pp. 1–8 Read article
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A Defected Ground Textile Antenna for Bluetooth/WLAN Applications
Abstract: A novel design of a slotted antenna for Bluetooth & WLAN Applications is presented in this paper. Modifications of the initial rectangular design for improving return loss and bandwidth are proposed and discussed. The proposed antenna was successfully developed by using CST Microwave Studio and fabricated prototype by using jeans substrate and copper tape. The proposed textile antenna covers a wide impedance bandwidth of about 81.46 %. The proposed antenna …
Published in Recent Trends in Electronics Communication Systems · Vol. 3, Issue 2, 2016 · pp. 1–8 Read article
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Comparative Study of Microstrip Rectangular Patch Antenna on different substrates for Strain Sensing Applications
Abstract: The feasibility of applying patch antennas for strain sensing is investigated. The resonant frequency of microstrip patch antenna is calculated by the dimensions of its patch. In this work, three types of microstrip patch antennas are developed using three different substrates FR4, RT Duroid 5880 and Polyimide. This paper describes the simulation of a slotted rectangular microstrip patch antenna for strain measurement for three different materials. The microstrip antenna is …
Published in Recent Trends in Sensor Research & Technology · Vol. 3, Issue 1, 2016 · pp. 14–20 Read article
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Design of Electrostatic RF Switch using COMSOL
Abstract: This paper presents the design, modeling, and measurements of radio frequency micro electromechanical systems (RF MEMS) switches. These models are rectangular, taper, and meandering beam structures. The characteristics of RF MEMS switches including displacement and natural frequency are studied. Rectangular, taper, and meandering structures are selected because these three structures display different geometrical shapes. Geometrical shapes are one of the important factors as far as the mechanical and electronic characteristics …
Published in Current Trends in Signal Processing · Vol. 5, Issue 1, 2015 · pp. 13–16 Read article
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Evaluating Inflight Ice Protection Methods for Applications on Next Generation Aircraft
Abstract: This paper reviews the current aircraft ice protection methods with a view to gaining insight into their capabilities and limitations for applications on next generation aircraft. The next generation airframe systems are likely to be powered electrically through an intelligent electronic control and management system. There is therefore the need to take advantage of the current advancement in digital control and use of electricity as a means of powering essential …
Published in Journal of Aerospace Engineering & Technology · Vol. 3, Issue 3, 2013 · pp. 1–21 Read article
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On the Electrical Conductivity of ZnO Nanocrystals Synthesized by Solvothermal Method
Abstract: ZnO nanocrystals were synthesized using microwave oven technique. The electrical properties of ZnO were studied using impedance spectroscopy. In this work, measurements on the AC and DC conductivities of the pelletized ZnO samples were carried out. The frequency dependence of both AC conductivity and the dielectric constant of nanocrystals of ZnO were investigated in the frequency range 1 Hz–1 MHz. Electrical characterizations using impedance spectroscopy were carried out for pelletized …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 2, Issue 3, 2012 · pp. 18–24 Read article
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Assessment of Different Methods for Soil Moisture Estimation: A Review
Abstract: Importance of precise soil moisture information is well understood in various fields like agriculture, hydrology, meteorology, environmental studies etc. Soil moisture is very dynamic, both temporally and spatially, therefore its continuous monitoring is necessary. There are various methods available to retrieve soil moisture status. All these methods have their own advantages and disadvantages and should be used with caution depending upon the requirements and demand of the project. In this …
Published in Journal of Remote Sensing & GIS · Vol. 9, Issue 1, 2018 · pp. 57–73 Read article