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315 articles for “wireless network”
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Triboelectric Charge Density Enhancement in Zinc Oxide Decorated Polymer Nanogenerators for Energy Harvesting Systems
Abstract: The growing need for wearable electronics, wireless sensor networks, and IoT devices has pushed research on triboelectric nanogenerator for long-term energy harvesting. However, traditional polymer-based TENGs' low triboelectric charge density restricts their energy conversion efficiency and practical performance. This research presents a zinc oxide (ZnO)-decorated polymer triboelectric nanogenerator designed to enhance surface charge density and improve electrical output. ZnO nanoparticles were synthesized using a hydrothermal method and uniformly deposited onto …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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IOT- Based Smart Transportation Management System
Abstract: Rapid urbanisation has created a situation in which traffic congestion has become one of the major problems affecting many aspects such as, mobility, safety and environmental quality. The solution for traffic management problems is a smart transportation management system (STMS) based on the Internet of Things (IoT) concept. This framework will improve the efficiency of traffic management with real time monitoring and control of traffic. The proposed system will consist …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 13, Issue 2, 2026 Read article
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Smart Water Management System for Precision Irrigation
Abstract: Water scarcity and inefficient irrigation practices remain critical challenges in modern agriculture, necessitating the adoption of intelligent and sustainable solutions. This review paper explores the concept and development of Smart Water Management Systems for Precision Irrigation, which integrate advanced technologies such as the Internet of Things (IoT), wireless sensor networks, artificial intelligence, and data analytics to optimize water usage. The study examines various system architectures, including sensor-based soil moisture monitoring, …
Published in Journal of Water Resource Engineering and Management · Vol. 13, Issue 2, 2026 · pp. 1–7 Read article
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The Role of Advanced Wireless Technologies in the Evolution of 5G and Beyond
Abstract: The advent of 5th-generation wireless technology has ushered in notable improvements in efficiency and speed, promising significant advancements in the wireless tech domain. The demand for 5G is on the rise, driven by factors like a burgeoning user base, high-speed requirements, intricate receiver systems, and more. While 4G is currently available, the continuous influx of users and devices is gradually saturating the 4G spectrum, making the need for 5G technology …
Published in Journal of Communication Engineering & Systems · Vol. 13, Issue 2, 2023 · pp. 23–27 Read article
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Machine Learning-Based Channel Estimation in 5G, Beyond-5G, and 6G Networks: Recent Advances and Future Directions
Abstract: Accurate channel estimation is one of the most fundamental challenges in modern wireless communication systems. In fifth- generation (5G) New Radio (NR) and emerging sixth-generation (6G) networks, precise knowledge of the wireless channel is essential for achieving reliable data transmission, high spectral efficiency, and low Bit Error Rate (BER). Conventional estimation techniques such as Least Squares (LS) and Minimum Mean Square Error (MMSE) rely on mathematical channel models and predefined …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 13, Issue 2, 2026 Read article
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Monitoring and Safety of Aircraft using Wireless Technology
Abstract: Traditional aircraft sensor networks, burdened by wire complexity and high-power demands, struggle with scalability and real-time data acquisition. This paper proposes Bluetooth Low Energy advertising as a transformative solution, leveraging its lightweight, energy-efficient, and secure nature within tree network architecture. Sensors broadcast data packets picked up by strategically placed gateways, enabling efficient data dissemination through multi-hop relaying. The approach boasts scalability due to minimal hardware and power requirements, leading to …
Published in International Journal of Satellite Remote Sensing · Vol. 1, Issue 2, 2023 · pp. 14–21 Read article
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Performance of Network Node in Presence of Sinkhole Attack in MANET
Abstract: AbstractMobile ad hoc networks (MANET) are wireless mobile nodes that communicate without any predefined infrastructure. MANET routing protocol acting an important role to get these types of communication. The two routing protocols which are DSR and AODV have been studied in specified form. Most of the attacks on MANETs are routing protocol attacks. The sinkhole attack is a type of routing protocol attack which is further affecting the network by …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 5, Issue 1, 2018 · pp. 6–13 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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Quad-Band Notched Small Monopole Antenna with U-shaped Slots and SRRs for UWB Applications
Abstract: A quad-band notched small monopole antenna with U-shaped slots and SRRs for UWB applications is presented in this study. The quadruple band-notched characteristics can be achieved by embedding three U-shaped slots on the radiation patch and two split ring resonators (SRRs) near feed line, respectively. It has a tiny size, only 17 mm23 mm0.508 mm. The experimental and measured results demonstrate that the proposed antenna offers an impedance bandwidth across …
Published in Journal of Communication Engineering & Systems · Vol. 15, Issue 1, 2025 · pp. 21–31 Read article
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A Novel Approach for Design and Optimization of Slot Antenna for WLAN Applications
Abstract: The simulation, and analysis of a micro-strip fed slot antenna array intended for operation in the 2.4 GHz ISM (Industrial, Scientific, and Medical) band, which is widely used for wireless technologies such as Wi-Fi and Bluetooth. A slot antenna is a type of antenna where a slot (cut or gap) is made on a metal surface, and it radiates electromagnetic waves. Utilizing ANSOFT HFSS software, the antenna's performance is optimized, …
Published in Journal of Microwave Engineering and Technologies · Vol. 12, Issue 1, 2025 · pp. 1–12 Read article
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Vector Arrow Shape Microstrip Antenna for WiMAX Application
Abstract: AbstractIn this paper dual band microstrip patch antenna is presented which is used for personal communication system and wireless local area network. The two bands which ranges are 1.721-2.031 GHz with bandwidth of 16.53% and 2.964-3.202 GHz with bandwidth of 7.72%. The glass epoxy material is used as a substrate to design anticipated antenna and simulated with IE3D Zeland software. The simulation results like reflection coefficient, VSWR and smith chart …
Published in Journal of Electronic Design Technology · Vol. 8, Issue 3, 2017 · pp. 30–33 Read article
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Study of Bandwidth Enhancement of an S-band Microstrip Slot Antenna
Abstract: AbstractRelative study of rectangular patch, U-slot patch and E-slot patch antenna is conferred in this paper. The operating frequency is selected from S-band (2 GHz–4 GHz) which is relevant for Industrial science and medical (ISM) band, Bluetooth communication as well as wireless land area network (WLAN). High-frequency structure simulator (HFSS) software is used to investigate the results of the antennas. Microstrip patch antenna (MSPA) experience low Gain and narrow bandwidth. …
Published in Journal of Microwave Engineering and Technologies · Vol. 6, Issue 3, 2019 · pp. 23–30 Read article
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A Compact CPW-fed Quadruple-band-notched Antenna with Concentric Annular-rings for UWB Applications
Abstract: In this paper, a compact coplanar waveguide (CPW)-fed quadruple-band-notched antenna with concentric annular-rings for ultra-wideband (UWB) applications is presented. The proposed antenna consists of four concentric annular-ring resonators, a circular shape radiating element and a CPW feed line. The quadruple band rejection is easily achieved by controlling the widths and radii of four concentric annular-ring resonators. Through the exception of four stop-bands at 3.29 to 3.7 GHz, 5.07 to 5.92 …
Published in Journal of Microwave Engineering and Technologies · Vol. 10, Issue 2, 2023 · pp. 38–47 Read article
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Phase Noise Reduction in WLAN by Applying Wavelet Packet Multiplexing
Abstract: The IEEE 802.11 standards for wireless Local Area Networks (LANs) commercialized as Wi-Fi are deployed in office and home environments. These systems provide data rates up to 1300 Mbps at 5 GHz and 400 Mbps at 2.4 GHz with physical layer based on OFDM and MIMOOFDM. Traditionally, multiplexing in OFDM is realized using static orthogonal waveforms derived from Fourier transforms. The decoding of the data at receiver is based on …
Published in Journal of Communication Engineering & Systems · Vol. 7, Issue 3, 2017 · pp. 8–15 Read article
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Co-planar Waveguide Circular Ring Microstrip Patch Antenna for WLAN Applications
Abstract: AbstractA printed circular microstrip patch antenna with a four rectangular shape strip and co planar rectangular ground plane has been proposed. Four rectangles of dimensions 4.8mm x3mm are arranged in such a manner to achieve both the WLAN frequency band. The bandwidths of 341MHz and 414MHz are achieved having a resonant frequency of 2.37GHz and 5.45GHz respectively. This antenna is printed on the glass epoxy (FR4 lossy) of dielectric substrate …
Published in Journal of Communication Engineering & Systems · Vol. 6, Issue 3, 2016 · pp. 1–6 Read article
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Voice over Wi-Fi Employing SIP (Session Initiation Protocol)
Abstract: AbstractIn the recent years, VoIP and SIP based calling has been emerging as a new innovation and a master technology in reducing all over cost of communication and secure calling among various MNCs and other management based calling centres. Voice over Wi-Fi (VoWi-Fi) emerged after voice over IP (VoIP) and manifests to be a useful technology. It acts as a substitute to usual coaxial cable phone system. The purpose of …
Published in Journal of Communication Engineering & Systems · Vol. 6, Issue 3, 2016 · pp. 32–34 Read article
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Performance Analysis of AODV, OLSR and GRP Routing Protocols in MANET
Abstract: AbstractThis paper aims to compare performance of three routing protocols for Mobile Ad-Hoc networks (MANET’s). A Mobile Ad-Hoc Network (MANET) is a collection of wireless mobile nodes forming a temporary network without using any centralized access point, infrastructure, or centralized administration. In present study, a comparison of reactive routing protocol i.e., Ad Hoc On-Demand Distance Vector Routing (AODV), proactive routing protocol i.e., Optimized Link State Routing (OLSR) and hybrid routing …
Published in Journal of Computer Technology & Applications · Vol. 4, Issue 1, 2013 · pp. 28–35 Read article
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Multi-Layered AI-Driven Security in Wireless Ecosystems
Abstract: The proliferation of next-generation wireless technologies, from 5G/6G networks to the pervasive Internet of Things (IoT), has birthed a hyperconnected digital ecosystem of unprecedented scale and dynamism. This interconnectedness, however, introduces a vast and volatile attack surface, rendering conventional, signature-based security paradigms fundamentally obsolete. This paper posits that the only viable defense is an offensive, self-adaptive one, predicated on the integration of artificial intelligence (AI) directly into the wireless security …
Published in International Journal of Wireless Security and Networks · Vol. 4, Issue 1, 2026 · pp. 21–28 Read article
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Autonomous 6G Physical Layer Architectures for Space-Air-Ground Integrated Networks
Abstract: The emergence of sixth generation (6G) wireless systems calls for a significant shift away from conventional deterministic communication models. As communication infrastructures evolve into Space- Air-Ground Integrated Networks (SAGIN), traditional physical layer (PHY) techniques struggle to operate effectively under the severe Doppler effects and long propagation delays associated with space environments. This paper examines the role of artificial intelligence embedded directly within the 6G transceiver architecture to enable ultra-reliable and …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 13, Issue 2, 2026 · pp. 21–31 Read article
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Importance of Firewalls in the Security of Network
Abstract: Cyber security is crucial in the realm of information technology. In the current context, data security has grown to be a major concern. When it comes to cybersecurity, the word which springs to mind is “cybercrime”, which occurs in large numbers on a regular basis. To tackle cybercrime, several governments and organizations are employing a range of tactics. Many individuals are still concerned about cybersecurity, despite several measures. This research …
Published in Journal Of Network security · Vol. 10, Issue 2, 2022 · pp. 19–23 Read article