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475 articles for “wireless technology”
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Survey of Flooding and Gray Hole Attack in WSN
Abstract: Wireless Sensor Networks (WSN) is an emerging technology now-a-days and has a wide range of applications such as battlefield surveillance, traffic surveillance, forest fire detection, flood detection etc. But wireless sensor networks are susceptible to a variety of potential attacks which obstructs the normal operation of the network. The security of a wireless sensor network is compromised because of the random deployment of sensor nodes in open environment, memory limitations, …
Published in Journal of Operating Systems Development & Trends · Vol. 2, Issue 3, 2015 · pp. 21–26 Read article
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New trends in Radio Frequency design and making things smaller
Abstract: Recent improvements in wireless communication, the Internet of Things (IoT), and 5G/6G networks have made people want small, powerful radio frequency (RF) equipment. With an emphasis on how developments in materials engineering, circuit architecture, and packaging technologies are redefining RF system integration, this article offers a thorough evaluation of current developments in RF downsizing. System-on-Chip (SoC), System-in-Package (SiP), and Antenna-in-Package (AiP) ideas, which allow tightly integrated RF front-ends with enhanced …
Published in International Journal of Radio Frequency Innovations · Vol. 3, Issue 2, 2025 · pp. 28–34 Read article
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Implementation of Zigbee Monitor Control to avoid floods using PIC18F4520 Microcontroller
Abstract: This paper examines the cause and effect of the flood, and designs a wireless system that can be used to monitor water flow in a remote location in the country during the raining season, and alert the operator when specified safe limit is exceeded. It involves design of both hardware and software for programming the microcontrollers and the RF module while at the same time implementing power-saving techniques, considering that …
Published in Recent Trends in Sensor Research & Technology · Vol. 1, Issue 2, 2014 · pp. 20–27 Read article
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Capacity and BER Performance Analysis of Single Cell Massive MIMO with Various Precoding Techniques
Abstract: AbstractMassive Multi Input Multi Output (MIMO) is one of the promising technologies which will facilitate the 5th generation wireless communication system (5G) in the near future. It also goes by other names such as, large MIMO, hyper MIMO, full-dimension MIMO and ARGOS. In this technology the Base Station is incorporated with a large number of transmitting antennas (e.g., Hundreds, thousands). A large number of antenna help to focus the energy …
Published in Journal of Communication Engineering & Systems · Vol. 6, Issue 1, 2016 · pp. 1–14 Read article
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Solar Powered Wireless Auto Valve Actuation in Drip Irrigation System
Abstract: AbstractAgricultural irrigation is more important in crop production everywhere in the world. For agricultural cropping systems, efficient water management plays a vital role. The minimal usage of water resources in drip irrigation has been required because of increasing in demand for water. It will be provided with greater extent by automation technology. This project deals with solar powered wireless auto valve actuation in drip irrigation system. Wireless signal transmission assures …
Published in Journal of Operating Systems Development & Trends · Vol. 6, Issue 2, 2019 · pp. 14–16 Read article
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Optimization of Sensing Parameters Using PSO, GAAlgorithms for Cognitive Radio
Abstract: Cognitive Radio (CR) is an emerging technology, which has the potential of being a disruptive technology, and will enable the future wireless world. In this radio, spectrum sensing is an appropriate tool to study surrounding environment in order to illustrate the suitable scenario for sharing spectrum between users.The main objective of spectrum sensingis to provide more spectrum access opportunities to cognitive radio users without interfering with the operations of the …
Published in Recent Trends in Sensor Research & Technology · Vol. 2, Issue 3, 2015 · pp. 23–30 Read article
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Energy Efficient Data Aggregation of Heterogeneous Network using Metaheuristic Approach
Abstract: The development of wireless sensor network results in faster technological development and its fundamental problem of network life time in the given energy constraints leads to several research study and its optimization. Sensor networks revolutionize the paradigm of collecting and processing information from diverse environments. In this paper proposed the distributed clustering optimization to determine the better network performance using the meta-heuristic approach based on Improved Harmony Search Algorithm (IHSA) …
Published in Recent Trends in Sensor Research & Technology · Vol. 1, Issue 1, 2014 · pp. 8–15 Read article
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Smart Wireless Charging Infrastructure for Electric Vehicles
Abstract: Wireless Power Transfer (WPT) of Electric Vehicles (EVs) is a potential technology with large scale potential to change how EVs may be charged, eliminate range anxiety, and simplify charging infrastructure. As opposed to the existing conductive charging systems that necessitate physical contact between two charging points, WPT makes power transfer possible regardless of an air gap between charging and the receptive points, making it possible to recharge EVs practically automatically, …
Published in International Journal of Energy and Thermal Applications · Vol. 3, Issue 1, 2025 · pp. 30–42 Read article
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Advances in Data Security in Cryptography
Abstract: In the ultra-modern period, evaluation of networking and wireless networks within information and communication technology has brought many changes to deal with this technology using internet, growing strongly over the past several decades, data security has come a main concern for anyone connected to the web. Data security ensures that our data can only be accessed by authorized recipients and prevents any unauthorized access or alteration of the data. We …
Published in Journal Of Network security · Vol. 12, Issue 1, 2024 · pp. 1–7 Read article
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Modification of Microstrip Antenna by “Hexagonal Shaped” Metamaterial for Wireless Applications
Abstract: AbstractIn this proposed paper, a split ring “Hexagonal Shaped” metamaterial structure is used to modify the factors of antenna. The compact patch antennas (CPA) are directive and their size is small in surroundings. These antennas are sources to achieve the recent requirements. These antennas are desired to be possessing less return loss, better directivity, higher bandwidth and compact size at the operating frequency when used in any communicating operation. This …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 3, 2018 · pp. 25–29 Read article
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Dual-Band Printed Compact Trident Shaped Monopole Antenna with Inverted L-shaped For Wireless Communication
Abstract: Abstract: In the present work, printed compact trident shaped antenna with inverted L-shaped strip for dual band wireless communication. Structure of antenna is simple, and the size is 34×18 mm2. This modified inverted L-shape will give the required bandwidth with good return loss. The simulated results show the dual band from (2.5–3.2 GHz) and (5.07–5.80 GHz) with the center operating frequency at around 2.9 GHz and 5.48 GHz having reflection …
Published in Journal of Microwave Engineering and Technologies · Vol. 6, Issue 1, 2019 · pp. 13–17 Read article
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Performance Evaluation of 5G transmission system and Simulation Modeling
Abstract: Orthogonal multiple access (OFDMA) is a very important technology for the fifth generation (5G) wireless communication networks to provide the need of the flexible demands of users on lower latency rate, high level of reliability, good amount of connectivity, large fairness, and high data throughput. The key idea behind MIMO based 5G networks are to provide multiple users in common resource block. The MIMO OFDM principle is the main framework …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 8, Issue 1, 2021 · pp. 21–32 Read article
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Scalable Key Management System for Wireless Sensor Networks
Abstract: AbstractThis paper is about the sympathy of the probable wireless sensor networks (WSN) application; moreover because of source margins, key supervision arrangement emerges as a demanding concern for WSNs. Individual of the foremost concern when manipulating a key supervision system method, is the network scalability. Certainly, the code of behaviour must sustain a large quantity of nodes to allow a bulky scale exploitation of the network. In this paper, we …
Published in Journal of Computer Technology & Applications · Vol. 7, Issue 2, 2016 · pp. 36–46 Read article
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A Survey of Wireless Network Simulators
Abstract: Wireless network simulators have become a basic need to study, evaluate and improve wireless networks. Wireless network simulators are very useful tool for a researcher to develop, test and diagnose wireless network protocols. Wireless simulations raise many new questions about appropriate levels of detail in simulation models for radio propagation and energy consumption and time taking for wireless networks. There are many different network simulators available in the world now, …
Published in Journal of Multimedia Technology & Recent Advancements · Vol. 2, Issue 1, 2015 · pp. 12–16 Read article
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Implementation of Antenna Array Configuration with MATLAB
Abstract: AbstractThis paper work is devoted for the design and simulation of Antenna Array Configuration with MATLAB. An antenna array (or array antenna) is a set of multiple connected antennas which work together as a single antenna, to transmit or receive radio waves. The array also enabled the antenna system to be electronically steered – to receive or transmit information primarily from a particular direction without mechanically moving the structure. As …
Published in Journal of Software Engineering Tools & Technology Trends · Vol. 6, Issue 1, 2019 · pp. 29–33 Read article
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Navigation System for Robots Using Passive RFID with Wireless Feature Changing on ARM7 (LPC2148) Platform
Abstract: RFID (Radio Frequency Identification) technology is well known for being easy to use and the features possessed. Mostly it is used for security or authentication purpose as each RFID contains a unique identification code. This unique identification feature can also be used in different ways. The study of other RFID techniques will be helpful for better service and security. The navigation system for robots using RFID is proposed in this …
Published in Trends in Electrical Engineering · Vol. 6, Issue 3, 2016 · pp. 58–66 Read article
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Bluetooth Technology: Security Issues and its Prevention
Abstract: Bluetooth is a new RF short range wireless personnel Area Networks (PANs) which is designed for wireless communication between different devices. Starting from the headset cable replacement it has been extended to support flexible ad-hoc networks. It is gaining increasing popularity and acceptance in the world today. The current data rate for Bluetooth is 1 Mbps. However, as Bluetooth technology is becoming widespread, vulnerabilities in its security are increasing which …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 1, 2021 · pp. 25–30 Read article
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Integrated Networks: A Survey
Abstract: AbstractUniversal Mobile Telecommunication System (UMTS) networks are solution for high speed voice and internet services with ubiquitous coverage. Ericsson Mobility Report (EMR) has claimed that subscriptions of UMTS/HSPA were 2.1 billion in 2015 and predicted that these are expected to reach 3.1 billion by the end of 2021 [1–3]. They support 384 kbps maximum data rate in downlink and 128 kbps data rate in uplink over a 5 km typical …
Published in Current Trends in Information Technology · Vol. 9, Issue 1, 2019 · pp. 22–29 Read article
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Li-Fi Visible Light: Data Transfers via LED Technology
Abstract: Li-Fi (Light Fidelity) is a cutting-edge technology that uses visible light to communicate data wirelessly, like how Wi-Fi uses radio waves. Light Emitting Diodes (LEDs) are the principal source of light in this system for information transmission. To transmit data, the LED light blinks on and off very quickly, quicker than our eyes can detect. After then, a sensor records these light signals and transforms them back into data that …
Published in Trends in Opto-electro & Optical Communication · Vol. 15, Issue 1, 2025 · pp. 1–7 Read article
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Wireless Sensor Network in Fast Breeder Test Reactor
Abstract: The second stage of India’s three-stage nuclear energy programme envisages of the development of Sodium cooled fast breeder reactors. As a forerunner, Fast Breeder Test Reactor (FBTR) at Indira Gandhi Centre for Atomic Research (IGCAR), Kalpakkam has been constructed. It is being operated successfully for more than 27 years. FBTR provides experience in fast reactor operation, fuel behavior, large scale sodium handling and is serving as a test bed for …
Published in Journal of Nuclear Engineering & Technology · Vol. 3, Issue 1, 2013 · pp. 28–36 Read article