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63 articles for “wireless localization”
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A Comparative Study of Wireless Local Area Network and Wireless Personal Area Network Technologies
Abstract: AbstractIn this paper, authors have provided a survey of recent and emerging wireless network technologies available today. This paper presents different Wireless Local Area Network (WLAN) technologies, several IEEE 802.11 amendments along with IEEE 802.11 logical architecture and topology mode. IEEE 802.11ax, a new standard to provide required performance in dense High Efficiency WLANs (HEWs) deployment scenarios is presented. Finally, overview of different Wireless Personal Area Network (WPAN) technologies along …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 4, Issue 2, 2017 · pp. 15–24 Read article
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E-Shaped Microstrip Patch Antenna for High Speed Wireless Local Area Network (WLAN) Applications
Abstract: A microstrip antenna consisting of E-shape radiating patch having low profile, probe-fed is designed and proposed for wireless local area networks (WLAN) applications. All countries use different WLAN, as the antennas available are not able to cover all the standards. This study aims to design a smallest antenna with better polarization covering all high speed WLAN standards ranging from 4.47 to 5.82 GHz. The patch antenna designed on low cost …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 4, Issue 1, 2017 · pp. 1–5 Read article
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Wide Band Open Spanner Patch Antenna for Wireless Local Area Network Application
Abstract: This paper presents the enhancement of bandwidth of a microstrip antenna using slotted design fed by Microstrip line feed. The main aim of proposed work is to obtain large bandwidth with reduced size. The proposed microstrip antenna has a wide bandwidth of 48.99% covering the range from 1.806-2.978 GHz which is best suitable for WLAN application. The proposed patch antenna is designed and simulated on the Zeeland IE3D software. The …
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 3, 2014 · pp. 21–25 Read article
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Impact on Wormhole Attack Using Label Based DV- Hop Localization in Wireless Sensor Networks
Abstract: Localization of a node is an important issue in the wireless sensor network as its broad applications in monitoring, emergency rescue operations and battlefield surveillance, etc. Many localization schemes has been used to discover the locations of sensors using beacon nodes, as they are assumed to know their locations through GPS or manual configuration. DV-Hop localization process performs well with the help of beacon nodes that have the ability of …
Published in Journal of Web Engineering & Technology · Vol. 1, Issue 3, 2014 · pp. 5–14 Read article
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A Brief Review on Localization in Wireless Sensor Network
Abstract: Wireless sensor devices have a huge range of usage in observation, watch and ward etc. Unlike ad hoc networks, WSNs are limited through sensors’ restricted power, energy and computational ability. Sensor nodes don’t have mondial ID cause of the huge quantity of overhead and giant number of sensors. The responsibility of every sensor node is to recognize the changes in its particular region or area. Localization of a sensor node …
Published in Journal Of Network security · Vol. 5, Issue 1, 2017 · pp. 1–10 Read article
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Artificial Intelligence Techniques for Air-Interface Optimizations and Future Research Directions in 6G Networks
Abstract: This paper is the second instalment of a two-part review on artificial intelligence (AI) for sixth-generation (6G) wireless networks. Where the companion paper traced the generational evolution of mobile networks and the Digital Twin architecture that underpins 6G, this paper narrows the focus to the specific AI techniques expected to drive 6G's autonomous operation and to the air-interface problems those techniques are being asked to solve. We review machine learning, …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 13, Issue 2, 2026 · pp. 50–57 Read article
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Wireless Sensor Network Localization Based on Static Anchor Node
Abstract: Anchor-based localization is a crucial challenge in wireless sensor networks (WSNs), aiming to determine the positions of all sensors by leveraging a limited number of anchor nodes whose locations are known. In this paper, we propose a novel algorithm for anchor-based localization in a static network, which improves the localization accuracy while reducing the computational complexity compared to existing methods. Our algorithm uses a range-based approach to estimate the distances …
Published in International Journal of Wireless Security and Networks · Vol. 1, Issue 1, 2023 · pp. 12–20 Read article
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Optimized Rectangular Microstrip Patch Antenna for Wireless Communications
Abstract: The design is for a microstrip patch antenna that is rectangular. The wireless local area network [WLAN] resonance frequency of the suggested antenna is 2.4GHz. The antenna's frequency selection has made it ideal for use in wireless local area networks, or WLANs. The antenna design is optimised using the optometric feature of the High Frequency Structure Simulator software (HFSS) to increase the accuracy and efficiency of the suggested antenna. HFSS …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 12, Issue 1, 2025 · pp. 37–47 Read article
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Wireless Network: A Review
Abstract: AbstractWith the advent of wireless and sensor technologies, human efforts have been greatly reduced in terms of gaining information at different areas by supplanting wired infrastructure. They also provide access to movable gadgets. The demerits of wireless devices are they have poor signal, mobility, enhancement in data rate, limiting size and cost, client security and (Quality of administration) QoS because of their small size and transmission capacity.Keywords: Wireless Local Area …
Published in Recent Trends in Sensor Research & Technology · Vol. 4, Issue 1, 2017 · pp. 23–24 Read article
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Mobility Management in UMTS-WLAN Interworking Networks: A Survey
Abstract: The growing demand for high data rates services while on the move, anywhere and anytime necessitated research efforts to integrate Universal Mobile Telecommunication System (UMTS) networks and Wireless Local Area Networks (WLANs). Mobility management in UMTS-WLAN interworking networks is key issues of seamless handover concept. This paper presents a survey on mobility management in UMTS-WLAN heterogeneous wireless networks, along with the integration architectures, protocols and various mobility supports.Keywords: UMTS, WLAN, …
Published in Journal of Multimedia Technology & Recent Advancements · Vol. 2, Issue 1, 2015 · pp. 1–11 Read article
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Effect of Fragment Size and Contention Window on the Performance of IEEE 802.11 WLANs
Abstract: Wireless communications is, by any measure, the fastest growing segment of the communications industry. The IEEE has standardized the 802.11 protocol for wireless local area networks. The IEEE 802.11 standard has defined two different access mechanisms in order to allow multiple users to access a common channel, the distributed coordination function (DCF) and a centrally controlled access mechanism called the point coordination function (PCF). DCF is a carrier sense multiple …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 3, Issue 2, 2016 · pp. 6–12 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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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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Network Selection with Load Balancing in Wireless Heterogeneous Environment
Abstract: Coexistence of various wireless radio access networks (RAN) and ability of mobile terminals to switch between them efficiently makes an optimal selection of serving mobile networks for groups of mobile-clients a major challenge with efficient load balancing. To overcome this problem, more flexible heterogeneous wireless networks (HWN) are required with the advantage of mobility, consistency, ubiquitous provision and improved spectral efficiency. In this paper, network selection with load balancing criteria …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 3, Issue 3, 2016 · pp. 7–15 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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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