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Journal articles on the topic 'Broadband communication systems Internet'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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1

Liang, Thow Yick. "Strategic exploitation of information and communication technology in the healthcare sector." Human Systems Management 21, no. 4 (2002): 241–48. http://dx.doi.org/10.3233/hsm-2002-21403.

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Among the various industrial sectors in Singapore, healthcare was the first to exploit broadband technology. In 1997, the Singapore General Hospital installed a broadband backbone even before the technology was generally viable. Today, the system supports the transmission of high-quality X-rays, CT- and MRI-scanned images, and electrocardiogram. And the latest decision is to supplement the existing facilities with wireless technology. This paper examines the strategic use of infocomm technology in the healthcare sector focusing on some recent technologies such as electronic data interchange, t

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Kyung, Nakyung, Sanghee Lim, and Byungtae Lee. "Digital self-harm: an empirical analysis of the effects of broadband adoption on suicide." Internet Research 31, no. 4 (2021): 1444–62. http://dx.doi.org/10.1108/intr-04-2020-0171.

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PurposePast literature offered competing predictions of the effect of broadband Internet on suicide. The Internet facilitates suicide by providing suicide-related information and ruining mental health. In contrast, Internet prevents suicide by offering social interaction and online mental treatment. This study aims to solve this tension by empirically examining the effect of broadband Internet on suicide with large-scale panel set.Design/methodology/approachThis study takes instrument approach with the US county-level panel set for the period 2013–17. This study uses the number of household br

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Vahid oğlu Nasiyev, Müslim. "Research and application of satellite communication networks as an alternative to modern communication systems." SCIENTIFIC WORK 68, no. 07 (2021): 78–83. http://dx.doi.org/10.36719/2663-4619/68/78-83.

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Research work has been devoted to show how satellite technology can meet a variety of human needs and the ultimate measure of its effectiveness. Communication satellites, whether in geostationary Earth orbit (GEO) or non GEO, provide an effective platform to relay radio signals between points on the ground. The users who employ these signals enjoy a broad spectrum of telecommunication services on the ground, at sea, and in the air. In recent years, such systems have become practical to the point where a typical household can have its own satellite dish. That dish can receive a broad range of t

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Urošević, Uglješa, and Zoran Veljović. "A concept of future sixth generation wireless networks: 6G." Tehnika 76, no. 3 (2021): 335–41. http://dx.doi.org/10.5937/tehnika2103335u.

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Simultaneously with the beginning of the implementation of the fifth generation wireless networks (5G systems), the research of the next generation mobile wireless systems - the sixth generation network 6G, has began. Having in mind the already started considerations on the components of the future 6G technology, it is necessary to follow the given technological trends, which are waiting for us beyond 5G era. This paper will explain the range of communication needs and technologies within the future 6G. 6G is expected to include three main aspects, mobile ultra broadband, super Internet-of-Thi

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Dutton, William H., Sharon Eisner Gillett, Lee W. McKnight, and Malcolm Peltu. "Bridging Broadband Internet Divides: Reconfiguring access to Enhance Communicative Power." Journal of Information Technology 19, no. 1 (2004): 28–38. http://dx.doi.org/10.1057/palgrave.jit.2000007.

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Government and industry initiatives to stimulate the diffusion of high-performance broadband telecommunications links have given a fresh impetus to debates over the social and economic implications of the growing use of the Internet and other information and communication technologies (ICTs). This paper analyses how outcomes tied to ICT innovation are shaped by choices about whether and how to use, or not use, the technology to reconfigure access to people, services, information and technologies in ways that significantly change the communicative power of individuals, communities, organisation

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Prof. Madhuri Zambre. "Analysis and Modeling of Physical Stratum for Power Line Communication." International Journal of New Practices in Management and Engineering 5, no. 01 (2016): 08–13. http://dx.doi.org/10.17762/ijnpme.v5i01.42.

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In recent days, power line communication is one of the emerging technologies for high data rates (data transmitted at high speed). It is also cost effective and dependable channel. It is used in many applications such as home automation, broadband internet access, car embedded systems etc. Orthogonal Frequency Division Multiplexing dependent PLC physical layer is presented in this work. It is measured in terms of BER employing MATLAB 2013a. Here, multipath channel model is employed for the purpose of simulation because of the unavailability of a primary PLC channel.

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Horrigan, John B. "What are the Consequences of Being Disconnected in a Broadband-Connected World?" Daedalus 140, no. 4 (2011): 17–31. http://dx.doi.org/10.1162/daed_a_00112.

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The evolution of the Internet in the past decade — from a slow, stationary, and primarily communications-based technology to a mobile, fast technology that supports a range of communication, participatory, and transactional applications — has made access more valuable, and disconnection more consequential, for individuals. This evolution means that stakeholders should embrace a different framing of the digital divide, focusing on the costs of digital exclusion. These costs can fall on an individual, if the Internet is the only way to carry out some tasks, and on society, if expensive and less-

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Yoo, Jae-Hyoung. "Broadband Internet network management software platform and systems in KT." International Journal of Network Management 16, no. 6 (2006): 383–97. http://dx.doi.org/10.1002/nem.628.

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Gengler, Barbara. "Check Point creates broadband Internet company." Network Security 2000, no. 2 (2000): 4–5. http://dx.doi.org/10.1016/s1353-4858(00)87653-9.

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García-Gangoso, Fausto, Manuel Blanco-Velasco, and Fernando Cruz-Roldán. "Formulation and Performance Analysis of Broadband and Narrowband OFDM-Based PLC Systems." Sensors 21, no. 1 (2021): 290. http://dx.doi.org/10.3390/s21010290.

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The aim of this paper is to formulate the physical layer of the broadband and narrowband power line communication (PLC) systems described in standards IEEE 1901 and IEEE 1901.2, which address new communication technologies over electrical networks for Smart Grid and Internet of Things applications. Specifically, this paper presents a mathematical formulation by means of matrices of a transmitter and receiver system based on windowed OFDM. The proposed formulation is essential for obtaining the input–output relation, as well as an analysis of the interference present in the system. It is very u

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Malik, Nafees N. "Integration of diagnostic and communication technologies." Journal of Telemedicine and Telecare 15, no. 7 (2009): 323–26. http://dx.doi.org/10.1258/jtt.2009.009001.

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Three key areas in diagnostics will drive the convergence of diagnostic and communication technologies: point-of-care testing, micro-electromechanical systems and biomarker discovery. In addition, the communications revolution means that increasing numbers of people will be able to send data from their home to their doctor using the Internet. Also, the widespread availability of broadband opens up the possibly of realtime videoconferencing with clinicians. It is already possible for patients at home to monitor simple variables, such as heart rate and blood pressure, and send their results usin

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Stojce Ilcev, Dimov. "Network architecture of internet backhaul by DVB-RCS standards for shipborne and other mobile applications." International Journal of Engineering & Technology 9, no. 3 (2020): 830. http://dx.doi.org/10.14419/ijet.v9i3.31087.

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In this paper is introduced a new Digital Video Broadcasting-Return Channel via Satellite (DVB-RCS) for the implementation of modern satellite Internet for shipborne, Vehicleborne and airborne mobile applications via Geostationary Erath Orbit (GEO) satellites. Mobile Satellite Internet aims at providing the next generation satellite broadcasting service through C, Ku and Ka-band DVB-S2 standard for Mobile Earth Stations (MES) via GEO satellite and Land Earth Stations (LES) to the ground or other mobile subscribers. It is de facto a mobile interactive broadcast satellite access system, which pr

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Tsou, Ming-Hsiang, and Ick Hoi Kim. "Increasing Spatial Awareness by Integrating Internet Geographic Information Services (GIServices) with Real Time Wireless Mobile GIS Applications." International Journal of Strategic Information Technology and Applications 1, no. 4 (2010): 42–54. http://dx.doi.org/10.4018/jsita.2010100103.

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Spatial awareness is one of the fundamental decision making capabilities for human beings. Two key information technologies, Internet Geographic Information Services (GIServices) and wireless mobile Geographic Information Systems (GIS) can enhance the spatial awareness of decision makers and facilitate more efficient and comprehensive decision making processes. Internet GIServices provide a collaborative communication environment for sharing data, information and knowledge among multiple decision makers and stakeholders. Wireless mobile GIS combines both geospatial information and Global Posit

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Strover, Sharon, Brian Whitacre, Colin Rhinesmith, and Alexis Schrubbe. "The digital inclusion role of rural libraries: social inequalities through space and place." Media, Culture & Society 42, no. 2 (2019): 242–59. http://dx.doi.org/10.1177/0163443719853504.

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A great deal of scholarship on broadband deployment and federal policies has positioned rural America through a deficit framework: rural parts of the country have older populations (and therefore not tech savvy), are poor (and therefore justifiably ignored by the market), too remote (therefore outside of legitimate profit-making enterprise), and losing population (and therefore significance). This research examines rural Internet connectivity through the lens of local libraries lending hotspots for Internet connectivity. Qualitative data gathered in 24 rural communities in Kansas and Maine und

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Dababneh, M. I., and E. S. Al-Khawaldeh. "Performance of TETRA and GSM\GPRS as a Platform for Broadband Internet and Multimedia Evolution." Journal of Engineering Research [TJER] 4, no. 1 (2007): 95. http://dx.doi.org/10.24200/tjer.vol4iss1pp95-102.

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In this paper, a novel approach for the comparison between TETRA system and other contenders is presented showing the relative potentials, thence applications and possible new services. TETRA Voice plus Data (V+D) and GPRSbased- GSM performance are also compared for defined multimedia transmission to revise the capability of bothsystems to afford multimedia applications to large number of subscribers with the shortest time possible while maintaining the optimal channel utilization. Performance measurements for data transmission illustrate that TETRA exhibits faster time response for connection

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Zahra, Hijab, Wahaj Abbas Awan, Wael Abd Ellatif Ali, Niamat Hussain, Syed Muzahir Abbas, and Subhas Mukhopadhyay. "A 28 GHz Broadband Helical Inspired End-Fire Antenna and Its MIMO Configuration for 5G Pattern Diversity Applications." Electronics 10, no. 4 (2021): 405. http://dx.doi.org/10.3390/electronics10040405.

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In this paper, an end-fire antenna for 28 GHz broadband communications is proposed with its multiple-input-multiple-output (MIMO) configuration for pattern diversity applications in 5G communication systems and the Internet of Things (IoT). The antenna comprises a simple geometrical structure inspired by a conventional planar helical antenna without utilizing any vias. The presented antenna is printed on both sides of a very thin high-frequency substrate (Rogers RO4003, εr = 3.38) with a thickness of 0.203 mm. Moreover, its MIMO configuration is characterized by reasonable gain, high isolation

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Heuser, Stephan, Bradley Reaves, Praveen Kumar Pendyala, et al. "Phonion: Practical Protection of Metadata in Telephony Networks." Proceedings on Privacy Enhancing Technologies 2017, no. 1 (2017): 170–87. http://dx.doi.org/10.1515/popets-2017-0011.

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AbstractThe majority of people across the globe rely on telephony networks as their primary means of communication. As such, many of the most sensitive personal, corporate and government related communications pass through these systems every day. Unsurprisingly, such connections are subject to a wide range of attacks. Of increasing concern is the use of metadata contained in Call Detail Records (CDRs), which contain source, destination, start time and duration of a call. This information is potentially dangerous as the very act of two parties communicating can reveal significant details about

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Nascimento, Álvaro, and Fernando Santos. "Valuation of Alternative Business Models in Information, Communication and Media Markets." International Journal of Business Data Communications and Networking 6, no. 2 (2010): 69–89. http://dx.doi.org/10.4018/jbdcn.2010040104.

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Information, Communication and Media Markets (ICMM) are in a process of tremendous change. IP-based technologies and services such as broadband and triple/quadruple-play are realities that have the ability to enforce the convergence of so far parallel industries, that is, Telephony, Internet, and Broadcast. In this paper, the authors derive a scenario where a telecom operator aims to design, develop, and validate a global B3G (Beyond 3rd Generation) framework to support secure, personalized, and pervasive telecommunications services built on heterogeneous network and service infrastructures. T

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Lin, Fei, Wan Jun Zhang, and Yong Sun. "Towards Learning Web Service Applied to Heterogenous Systems." Applied Mechanics and Materials 336-338 (July 2013): 1947–52. http://dx.doi.org/10.4028/www.scientific.net/amm.336-338.1947.

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The widespread adoption of broadband Internet connections has led to a fast growth of applying web-based learning systems (LS) to education, LS becomes more important in e-learning and future education. LS provides a centralized environment where learners can study, communicate, etc. With the Internets growth, various learning contents and different LSs are distributed independently. Thus, managing the distributed information and implementing interoperability between learning contents and LSs are more challenging. Web services are the most innovative and well-established technology for communi

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Hoeft, Michał, Krzysztof Gierłowski, Jacek Rak, and Józef Woźniak. "netBaltic System – Heterogeneous Wireless Network for Maritime Communications." Polish Maritime Research 25, no. 2 (2018): 14–26. http://dx.doi.org/10.2478/pomr-2018-0050.

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Abstract In case of maritime communications, we observe a growing interest in deployment of multitask satellite-based solutions and development of new maritime-specific systems intended for improvements in safety of e-navigation. Analysis of different types of currently used maritime communication systems leads, however, to a conclusion that neither global and still very expensive satellite systems nor cheaper, but short-ranged transmission technologies can, on their own, fully meet the today’s expectations and quality requirements formulated for broadband maritime systems. This lack of reliab

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Das, Poves, Fakidis, Sparks, Videv, and Haas. "Towards Energy Neutral Wireless Communications: Photovoltaic Cells to Connect Remote Areas." Energies 12, no. 19 (2019): 3772. http://dx.doi.org/10.3390/en12193772.

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In this work, we have designed, developed and deployed the world’s first optical wireless communication (OWC) system using off-the-shelf lasers and solar photovoltaics. Four bidirectional OWC prototypes have been installed on the Orkney Islands of Scotland at a 30 m link distance for the provision of high-speed internet access to two residential properties. The silicon-made solar panels can harvest power up to 5 W from sunlight and they offer data rates as high as 8 Mb/s. Using additional analogue processing, data rates higher than the existing landline broadband connection are achieved. This

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Albagory, Yasser. "Modelling, Investigation, and Feasibility of Stratospheric Broadband mm-Wave 5G and beyond Networks for Aviation." Electronics 9, no. 11 (2020): 1872. http://dx.doi.org/10.3390/electronics9111872.

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Recent advances in communication systems provide an enabling technology for aircraft connection and safety. A promising communication system that uses stratospheric platforms provides an efficient and improved communication performance and can be an efficient solution for establishing communication networks for aviation. Therefore, in this paper, a novel communication network based on stratospheric basestation (SB) is proposed to provide fifth-generation (5G) and beyond services for civil aviation aircrafts to improve global flight connectivity, control, and safety. The proposed aircraft–SB ne

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Miraz, Mahdi H., Maaruf Ali, and Peter S. Excell. "Cultural, Economic and Societal Impacts on Users’ Behaviour and Mobile Broadband Adoption Trends." Annals of Emerging Technologies in Computing 1, no. 1 (2017): 34–44. http://dx.doi.org/10.33166/aetic.2017.01.005.

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The diverse range of Internet enabled devices both mobile and fixed has not only impacted the global economy but the very fabric of human communications and lifestyles. The ease of access and lowered cost has enabled hitherto diametrically opposed people to interact and influence each other globally. The consequence of which is the dire need to address the way culture affects interaction with information systems across the world. The many facets of which encompasses human behaviour, socio-economic and cultural factors including lifestyles and the way of interaction with the information system.

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Kirkpatrick, Scott. "Once the Internet can measure itself." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 374, no. 2062 (2016): 20140437. http://dx.doi.org/10.1098/rsta.2014.0437.

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In communications, the obstacle to high bandwidth and reliable transmission is usually the interconnections, not the links. Nowhere is this more evident than on the Internet, where broadband connections to homes, offices and now mobile smart phones are a frequent source of frustration, and the interconnections between the roughly 50 000 subnetworks (autonomous systems or ASes) from which it is formed, even more so. The structure of the AS graph that is formed by these interconnections is unspecified, undocumented and only guessed-at through measurement, but it shows surprising efficiencies. Un

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Knieps, Günter. "Internet of Things and the economics of smart sustainable cities." Competition and Regulation in Network Industries 18, no. 1-2 (2017): 115–31. http://dx.doi.org/10.1177/1783591717736502.

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The major objective of this article is to analyze the potentials of information and communications technology (ICT) for the evolution of smart cities, with a particular focus on the challenges faced by traditional public utilities in the areas of public transportation, energy, water supply, and wastewater management due to the entry of new players originating from ICT organizations and industries. The character of virtual networks for smart cities is demonstrated based on three pillars: (1) All-IP–based real-time and adaptive broadband communication networks, (2) global navigation satellite sy

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Giustiniano, Domenico, Eduard Goma, Alberto Lopez Toledo, and George Athanasiou. "Optimizing TCP Performance in Multi-AP Residential Broadband Connections via Minislot Access." Journal of Computer Networks and Communications 2013 (2013): 1–12. http://dx.doi.org/10.1155/2013/752363.

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The high bandwidth demand of Internet applications has recently driven the need of increasing the residential download speed. A practical solution to the problem is to aggregate the bandwidth of 802.11 access points (APs) backhauls in range. Since 802.11 devices are usually single radio, the communication to APs on different radio channels requires a time-division multiple access (TDMA) policy at the client station. With an in-depth experimental analysis and a customized 802.11 driver, in this paper, we show that the usage of multi-AP TDMA policy may cause degradation of the TCP throughput and

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Ahmad, Hussain, Muhammad Zubair Islam, Rashid Ali, Amir Haider, and Hyungseok Kim. "Intelligent Stretch Optimization in Information Centric Networking-Based Tactile Internet Applications." Applied Sciences 11, no. 16 (2021): 7351. http://dx.doi.org/10.3390/app11167351.

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The fifth-generation (5G) mobile network services are currently being made available for different use case scenarios like enhanced mobile broadband, ultra-reliable and low latency communication, and massive machine-type communication. The ever-increasing data requests from the users have shifted the communication paradigm to be based on the type of the requested data content or the so-called information-centric networking (ICN). The ICN primarily aims to enhance the performance of the network infrastructure in terms of the stretch to opt for the best routing path. Reduction in stretch merely

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Gheng-Sheng Kuo. "IEEE BSS '97: Switch/rig Systems for the Broadband Internet and for QoS on Demand." IEEE Communications Magazine 36, no. 4 (1998): 78. http://dx.doi.org/10.1109/mcom.1998.667417.

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Iqbal, Muhammad Saqib, Zulhasni Abdul Rahim, Syed Aamer Hussain, et al. "Mobile communication (2G, 3G & 4G) and future interest of 5G in Pakistan: a review." Indonesian Journal of Electrical Engineering and Computer Science 22, no. 2 (2021): 1061. http://dx.doi.org/10.11591/ijeecs.v22.i2.pp1061-1068.

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<span style="font-size: 9pt; font-family: 'Times New Roman', serif;">The use of mobile communication is growing radically with every passing year. The new reality is the fifth generation (5G) of mobile communication technology. 5G requires expensive infrastructural adjustment and upgradation. Currently, Pakistan has one of the most significant numbers of biometrically verified mobile users. However, at the same time, the country lags incredibly in the field of mobile internet adoption, with just half of the mobile device owners avail broadband subscription. It is a viable market with a l

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Kim, Dohoon. "Application of the HoQ framework to improving QoE of broadband internet services." IEEE Network 24, no. 2 (2010): 20–26. http://dx.doi.org/10.1109/mnet.2010.5430140.

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Marom, Dan M. "Enabling Devices Using MicroElectroMechanical System (MEMS) Technology for Optical Networking." Advances in Science and Technology 55 (September 2008): 145–49. http://dx.doi.org/10.4028/www.scientific.net/ast.55.145.

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Abstract: Optical communication systems are the premier conduit for providing broadband data across continents, nations, cities, neighborhoods, and are now starting to penetrate into private homes. This spectacular achievement is the culmination of years of research and development efforts in diverse fields. Recently we are witnessing the evolution of these communication systems towards optical networking. The advent of optical networking has been enabled by a suite of complementary optical subsystems that are pivotal to the operation and management of these networks. These optical microsystem

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Toliupa, Sergey, Vladimir Nakonechnyi, and Alexander Trush. "THE INCREASE OF THE ENERGY EFFICIENCY OF THE RADIO EQUIPMENT BASED ON THE USE OF MODULATION BY ORTHOGONAL HARMONIC CARRIERS." Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska 10, no. 1 (2020): 24–27. http://dx.doi.org/10.35784/iapgos.914.

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Most of the theoretical results, as well as methods using OFDM modulation, are obtained in order to increase the rate of information transmission with energy constraints and the bandwidth. For broadband radio access systems, this task is primarily due to the commercial purpose of these systems and the desire of the communications developers to provide high-speed wireless access to the Internet as much as possible at the same time. This article is devoted to the issue of increasing the energy efficiency of radio equipment using modulation orthogonal harmonic carriers under conditions of intenti

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Iannacci, Jacopo, Giuseppe Resta, Alvise Bagolini, et al. "RF-MEMS Monolithic K and Ka Band Multi-State Phase Shifters as Building Blocks for 5G and Internet of Things (IoT) Applications." Sensors 20, no. 9 (2020): 2612. http://dx.doi.org/10.3390/s20092612.

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RF-MEMS, i.e., Micro-Electro-Mechanical Systems (MEMS) for Radio Frequency (RF) passive components, exhibit interesting characteristics for the upcoming 5G and Internet of Things (IoT) scenarios, in which reconfigurable broadband and frequency-agile devices, like high-order switching units, tunable filters, multi-state attenuators, and phase shifters will be necessary to enable mm-Wave services, small cells, and advanced beamforming. In particular, satellite communication systems providing high-speed Internet connectivity utilize the K and Ka bands, which offer larger bandwidth compared to low

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Albert, Sylvie, and Don Flournoy. "Think Global, Act Local." International Journal of Sociotechnology and Knowledge Development 2, no. 1 (2010): 59–79. http://dx.doi.org/10.4018/jskd.2010100804.

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Being able to connect high-speed computing and other information technologies into broadband communication networks presents local communities with some of their best chances for renewal. Such technologies are now widely perceived to be not just a nice amenity among corporations and such non-profit organizations as universities but a social and economic necessity for communities struggling to find their place in a rapidly changing world. Today, citizens want and expect their local communities to be “wired” for broadband digital transactions, whether for family, business, education or leisure.

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Shomay, Nurzhazira S., and Marina A. Lipskaya. "MODERN METHODS OF DESIGN AND CONSTRUCTION OF FIBER-OPTIC COMMUNICATION LINES BY THE EXAMPLE OF THE CITY OF ALMATY." T-Comm 14, no. 12 (2020): 26–32. http://dx.doi.org/10.36724/2072-8735-2020-14-12-26-32.

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The article provides a brief analysis of the condition of the National transport network NISM (national information superhighway) based on fiber-optic communication lines, where work is being carried out on the construction of the DWDM backbone network (Dense Wavelength Division Multiplexing), increasing the power of external Internet channels, expanding the installed capacity of the DWDM backbone network equipment, ensuring traffic protection, and building a fiber-optic network to connect new corporate clients. The article also provides information about the state Program "Digital Kazakhstan"

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Lie, D. Y. C., J. C. Mayeda, Y. Li, and J. Lopez. "A Review of 5G Power Amplifier Design at cm-Wave and mm-Wave Frequencies." Wireless Communications and Mobile Computing 2018 (July 4, 2018): 1–16. http://dx.doi.org/10.1155/2018/6793814.

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The 5G wireless revolution presents some dramatic challenges to the design of handsets and communication infrastructures, as 5G targets higher than 10 Gbps download speed using millimeter-wave (mm-Wave) spectrum with multiple-input multiple-output (MIMO) antennas, connecting densely deployed wireless devices for Internet-of-Everything (IoE), and very small latency time for ultrareliable machine type communication, etc. The broadband modulation bandwidth for 5G RF transmitters (i.e., maximum possibly even above 1 GHz) demands high-power efficiency and stringent linearity from its power amplifie

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Manzalini, Antonio. "Towards a Quantum Field Theory for Optical Artificial Intelligence." Annals of Emerging Technologies in Computing 3, no. 3 (2019): 1–8. http://dx.doi.org/10.33166/aetic.2019.03.001.

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Today, several socio-techno-economic drivers are steering the evolution of Telecommunications and Internet towards a growing exploitation of ultra-broadband infrastructures (e.g., 5G) and Artificial Intelligence (AI) systems. Focusing on the most promising AI technological approaches, Deep Neural Networks (DNNs) are outperforming in several applications domains. One of the possible explanations, elaborated in literature, is that DNN functioning is deeply rooted in the principles of theoretical Physics, specifically Quantum Field Theory (QFT) and Gauge theory. This is encouraging even more rese

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Lince Markis, Vera Veronica, and Uzma Septima. "Implementasi Sistem Pengukuran Redaman Serat Optik Pada Lekukan." Jurnal Ilmiah Poli Rekayasa 14, no. 2 (2019): 31. http://dx.doi.org/10.30630/jipr.14.2.126.

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Dutch electronics company, Philips, is testing LiFi technology. LiFi or Light Fidelity is able to deliver broadband internet connections through light intermediaries. According to Philips Lightning Olivia Qiu's Chief Innovation Officer, LiFi technology has great potential for today's digital era. Indeed, if you look at the current world trend, internet connection has now become one of the daily needs of humans just like the lighting needs produced by Philips massively. When radio frequency becomes increasingly dense, the light spectrum is a large untapped resource [kompas, 2018]. Based on the

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Liu, Yong, Jingya Zhao, Qinghua Zhu, and Yanqiu Wang. "An Improved Method for Parametric Spatial Spectrum Estimation in Internet of Things." Wireless Communications and Mobile Computing 2021 (May 5, 2021): 1–10. http://dx.doi.org/10.1155/2021/9976751.

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When massive numbers of wireless IoT devices are being deployed, cognitive spectrum management is critical to satisfy the explosive broadband requirements of IoT applications. Heterogeneous the target of the spatial spectrum estimation which is part of array signal processing is to achieve the evaluation of space signal parameters and source location, which result in that the spatial spectrum estimation becomes the most basic content of the array signal processing. It needs a method by which the large dimensional array still has its consistency. Therefore, this paper studies an improved large

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Arnold, Paul, and Dirk von Hugo. "Future integrated communication network architectures enabling heterogeneous service provision." Advances in Radio Science 16 (September 4, 2018): 59–66. http://dx.doi.org/10.5194/ars-16-59-2018.

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Abstract. This paper summarizes expectations and requirements towards future converged communication systems denoted by 5th Generation (5G). Multiple research and standardization activities globally contribute to the definition and specification of an Information and Communication Technology (ICT) to provide business customers and residential users with both, existing and future upcoming services which demand for higher data rates and granted performance figures in terms of QoS parameters, such as low latency and high reliability. Representative use case families are threefold and represented

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Felski, Andrzej. "Methods of Improving the Jamming Resistance of GNSS Receiver." Annual of Navigation 23, no. 1 (2016): 185–98. http://dx.doi.org/10.1515/aon-2016-0013.

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Abstract Jamming of GNSS signals can be both a consequence of accidental activities and an intentional act. This issue is lately discussed as an essential threat for the use of satellite navigation systems. This is especially dangerous in the face of common usage of GPS - like systems in everyday life and the great belief of everyday users in the truth of devices indications. In spite of the legal prohibition of using them, jammers are commonly accessible, especially in the Internet. Until recently even specialists have shared the conviction that the broadband GPS signal is not a subject of di

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Tigarev, V., P. Shvahirev, O. Lopakov, V. Kosmachevskiy, and Y. Barchanova. "SIMULATION MODELING OF ADAPTIVE ROUTING UNDER EXTERNAL DESTROYING EFFECTS IN NGN NETWORKS." Odes’kyi Politechnichnyi Universytet Pratsi 3, no. 62 (2020): 101–12. http://dx.doi.org/10.15276/opu.3.62.2020.12.

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Modern subscribers of infocommunication services require a wide class of different services and applications, implying a wide variety of protocols, technologies and transmission rates. Networks are overloaded in the prevailing situation in the market of infocommunication services: they are overflowing with numerous customer interfaces, network layers and are controlled by too many control systems. High operating costs are pushing operators to look for solutions that simplify the operation, while maintaining the possibility of creating new services and ensuring the stability of existing sources

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Trimintzios, Panagiotis, and George Georgiou. "WiFi and WiMAX Secure Deployments." Journal of Computer Systems, Networks, and Communications 2010 (2010): 1–28. http://dx.doi.org/10.1155/2010/423281.

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Wireless Broadband offers incredibly fast, “always on” Internet similar to ADSL and sets the user free from the fixed access areas. In order to achieve these features standardisation was achieved for Wireless LAN (WLANs) and Wireless Metropolitan Area Networks (WMANs) with the advent of IEEE802.11 and IEEE802.16 family of standards, respectively. One serious concern in the rapidly developing wireless networking market has been the security of the deployments since the information is delivered freely in the air and therefore privacy and integrity of the transmitted information, along with the u

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Aguiar-Castillo, Lidia, Victor Guerra, Julio Rufo, Jose Rabadan, and Rafael Perez-Jimenez. "Survey on Optical Wireless Communications-Based Services Applied to the Tourism Industry: Potentials and Challenges." Sensors 21, no. 18 (2021): 6282. http://dx.doi.org/10.3390/s21186282.

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In this paper, we explore the potential applications of Optical Wireless Communications in the tourism industry, considering both indoor and outdoor scenarios and different transmission speeds. They range from high-speed atmospheric outdoor links (Free-Space Optics (FSO)) to indoor systems based on high-speed lighting networks (known under the trade name LiFi©) or low-speed services support the Internet of Things networks, using visible light (VLC) or IR emitters, with receivers based on either on classical photodiodes or in image sensors, known as Optical Camera Communications. The avant-gard

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سامي العيساوي، ورضا سلامة، وعبدالرحمن الطلحي, سامي العيساوي، ورضا سلامة، وعبدالرحمن الطلحي. "Intrusion Detection System for Misbehaving WLAN Users." journal of king abdulaziz university computing and information technology sciences 1, no. 1 (2012): 55–81. http://dx.doi.org/10.4197/comp.1-1.3.

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Wireless networks in the lives of people at work, at home, and in public places, plays a decisive role. Given the widespread demand for wireless networks, providers deploy wireless local area networks (WLAN) to provide access to broadband Internet Within the range of a public wireless LAN hotspot such as in airports or hotels, users can access their e-mails and browse the Internet either for free or, most often, against a fee. However, as the number of users rises, so does the risk that users may misbehave. Misbehaving users can to a large extent increase their share of bandwidth at the expens

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Gu, Taochen, Fayu Wan, Jamel Nebhen, et al. "Bandpass NGD investigation of O-shape fully distributed structure with S-matrix modelling." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 40, no. 3 (2021): 640–59. http://dx.doi.org/10.1108/compel-01-2021-0019.

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Purpose The aim of this paper is to provide the theoretical conceptualization of a bandpass (BP) negative group delay (NGD) microstrip circuit. The main objective is to provide a theorization of the particular geometry of the microstrip circuit with experimental validation of the NGD effect. Design/methodology/approach The methodology followed in this work is organized in three steps. A theoretical model is established of equivalent S-parameters model using Y-matrix analysis. The GD analysis is also presented by showing that the circuit presents a possibility to generate NGD function around ce

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Mahrokh, Marzieh, and Slawomir Koziel. "Optimization-Based Antenna Miniaturization Using Adaptively Adjusted Penalty Factors." Electronics 10, no. 15 (2021): 1751. http://dx.doi.org/10.3390/electronics10151751.

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The continuing trend for miniaturization of electronic devices necessitates size reduction of the comprising components and circuitry. Specifically, integrated circuit-antenna modules therein require compact radiators in applications such as 5G communications, implantable and on-body devices, or internet of things (IoT). The conflict between the demands for compact size and electrical and field performance can be mitigated by means of constrained numerical optimization. Evaluation of performance-related constraints requires expensive electromagnetic (EM) analysis of the system at hand; therefo

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Ebel, John E., Martin C. Chapman, Won-Young Kim, and Mitchell Withers. "Current Status and Future of Regional Seismic Network Monitoring in the Central and Eastern United States." Seismological Research Letters 91, no. 2A (2019): 660–76. http://dx.doi.org/10.1785/0220190210.

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Abstract The central and eastern United States (CEUS) is an area of generally low-to-moderate seismic hazard with a number of large cities with high seismic risk, a history of occasional damaging earthquakes, and seismic activity induced by wastewater disposal. Seismic monitoring in the CEUS, which began at the beginning 1900s, has undergone many changes through time. Over the past two decades, broadband digital seismic stations connected by internet communications have become widespread. Modern data processing systems to automatically locate earthquakes and assign event magnitudes in near-rea

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Cunningham, Mary, Karla T. Washington, and Diane L. Huenke. "Lessons learned from a clinical-research partnership in outpatient palliative care." Journal of Clinical Oncology 34, no. 26_suppl (2016): 238. http://dx.doi.org/10.1200/jco.2016.34.26_suppl.238.

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238 Background: Palliative care providers and investigators at the University of Missouri developed a clinical-research partnership to conduct a randomized clinical trial (R21CA191165; NCT02427490; PI: Washington) of a technologically-mediated intervention for family caregivers of cancer patients aimed at decreasing caregivers’ distress and improving their quality of life. As the first year of the project drew to a close, the clinician-research team sought to systematically examine the challenges they had encountered conducting research in the outpatient palliative care clinic, which serves a

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Ruan, Jinjia, and Dongliang Xie. "Networked VR: State of the Art, Solutions, and Challenges." Electronics 10, no. 2 (2021): 166. http://dx.doi.org/10.3390/electronics10020166.

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The networking of virtual reality applications will play an important role in the emerging global Internet of Things (IoT) framework and it is expected to provide the foundation of the expected 5G tactile Internet ecosystem. However, considerable challenges are ahead in terms of technological constraints and infrastructure costs. The raw data rate (5 Gbps–60 Gbps) required achieving an online immersive experience that is indistinguishable from real life vastly exceeds the capabilities of future broadband networks. Therefore, simply providing high bandwidth is insufficient in compensating for t

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