Bibliografie tematiche / Communications Technologies

Letteratura scientifica selezionata sul tema "Communications Technologies"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 20 febbraio 2023

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Articoli di riviste sul tema "Communications Technologies"

1

Hudson, Heather. "New Communications Technologies". International Political Science Review 7, n. 3 (luglio 1986): 332–43. http://dx.doi.org/10.1177/019251218600700307.

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Javornik, Tomaž, Andrej Hrovat e Aleš Švigelj. "Radio Technologies for Environment-Aware Wireless Communications". WSEAS TRANSACTIONS ON COMMUNICATIONS 21 (31 dicembre 2022): 250–66. http://dx.doi.org/10.37394/23204.2022.21.30.

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Abstract (sommario):
The contemporary wireless transmitter in addition to information symbols transmits also training symbols in order to help the receivers in the estimation of the information symbols by estimating the channel state information (CSI). In this paper, we look at existing wireless communication technologies in light of environment-aware wireless communications, which is a new concept of wireless communications that queries the time-invariant CSI from the local or global database, using information about the transmitter and receiver location. Thus, this study is the first critical review of the potential of today’s terrestrial wireless communication systems including wireless cellular technologies (GSM, UMTS, LTE, NR), wireless local area networks (WLANs), and wireless sensor networks (WSNs), for estimating CSI, the ratio between training and information symbols and the rate of channel variation, and the potential use of time invariable CSI in environment aware wireless communications. The research reveals, that early communication systems provide means for narrowband channel estimation and the CSI is only available as channel attenuation based on signal level measurements. By increasing the frequency bandwidth of communications, the CSI is estimated in some form of channel impulse response (CIR) in almost all currently used radio technologies, but this information is generally not available outside the communication systems. Also, the CSI is estimated only for the channel with active communications. The new radio technology (NR) offers the possibility of estimating the CIR for non-active channels as well, and thus the possibility of initiating environmentally aware wireless communications.
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Dose, Éric, e Pascale Desrumaux. "Technologies et communications digitales". Le Journal des psychologues 399, n. 7 (21 giugno 2022): 21–25. http://dx.doi.org/10.3917/jdp.399.0021.

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Lax, Stephen. "Democracy and Communications Technologies". Convergence: The International Journal of Research into New Media Technologies 4, n. 3 (settembre 1998): 30–37. http://dx.doi.org/10.1177/135485659800400305.

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Ohta, Naohisa, Atsushi Takahara, Andrzej Jajszczyk e Roberto Saracco. "Emerging technologies in communications". IEEE Journal on Selected Areas in Communications 31, n. 9 (settembre 2013): 1–5. http://dx.doi.org/10.1109/jsac.2013.sup.0513000.

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Davis, J. H., N. F. Dinn e W. E. Falconer. "Technologies for global communications". IEEE Communications Magazine 30, n. 10 (ottobre 1992): 35–43. http://dx.doi.org/10.1109/35.161387.

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Flanagan, J. L. "Technologies for multimedia communications". Proceedings of the IEEE 82, n. 4 (aprile 1994): 590–603. http://dx.doi.org/10.1109/5.282245.

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Vincent, Geoff. "Convergence between communications technologies". Telecommunications Policy 17, n. 7 (settembre 1993): 556–57. http://dx.doi.org/10.1016/0308-5961(93)90098-n.

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Carreras-Coch, Anna, Joan Navarro, Carles Sans e Agustín Zaballos. "Communication Technologies in Emergency Situations". Electronics 11, n. 7 (6 aprile 2022): 1155. http://dx.doi.org/10.3390/electronics11071155.

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Abstract (sommario):
Emergency situations such as wildfires, water floods, or even terrorist attacks require continuous communication between the coordination centres, the several on-the-field teams, and their respective devices to properly address the adverse circumstances. From a technological point of view, this can be best seen as a live Ubiquitous Sensor Network—composed of human beings (e.g., first responders, victims) and devices (e.g., drones, environmental sensors, radios)—with stringent and special communication requirements in terms of flexibility, mobility, reliability, bandwidth, heterogeneity, and speed of deployment. However, for this specific use case, most of the already deployed and well-known communication technologies (e.g., satellite, 4G/5G) might become unusable and hard to repair due to the associated effects of the disaster itself. The purpose of this paper is (1) to review the emergency communications challenges, (2) to analyse the existing surveys on technologies for emergency situations, (3) to conduct a more updated, extensive, and systematic review of the emergency communications’ technologies, and (4) to propose a heterogeneous communication architecture able to communicate between moving agents in harsh conditions. The proposed approach is conceived to link the relocating agents that constitute a Ubiquitous Sensor Network spanning a large-scale area (i.e., hundreds of square kilometres) by combining Near Vertical Incidence Skywave technologies with Drone-Based Wireless Mesh Networks. The conclusions derived from this research aim to set up the fundamentals of a rapidly deployable Emergency Communications System inspired by the Ubiquitous Sensor Network paradigm.
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Visser, Lori. "New Technologies Create Communications Challenges". American Journal of Critical Care 20, n. 6 (1 novembre 2011): 425–26. http://dx.doi.org/10.4037/ajcc2011351.

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Tesi sul tema "Communications Technologies"

1

Shelden, Dennis R. (Dennis Robert). "Communications technologies in collaborative design". Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/43292.

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Moss, Jonathan G. O. "Spread spectrum technologies for future communications systems". Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285021.

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Izhac, Abdurrahman. "THz technologies and models for mobile communications". Thesis, University of Reading, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.494157.

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This thesis investigates the feasibility of deploying mobile communication networks at the THz frequency range. Three areas were identified as the major issues on the way towards realising a functional THz mobile communication system: the high atmospheric attenuation levels and obstacle shadowing at the THz range, the deficiency in THz devices suitable for mobile telecommunications and the availability of reliable models for the analysis and design of THz radio networks.
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Thomas, Charalambos Bob. "Information communications technologies in education : a Faustian bargain?" Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33934.

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There is currently a glaring absence of critical discourse surrounding the integration of information communications technologies in schools. Despite a growing body of literature showing that technology has both advantages and disadvantages, schools are incorporating ICT as if it were a panacea for educational and societal ills. This deification of ICT is based on utilitarian concerns and spiritual yearnings. The first chapter situates the author and outlines how the larger technology metanarrative has a mythic status. Chapter two situates the appeal to utilitarian and spiritual values in the wider culture. The final chapter examines how these issues are played out in the school system. The author concludes with a summary and raises areas for further investigation, along with suggestions for change.
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Marzolf, Eric. "Etude de technologies d'antennes pour les communications millimétriques". Rennes, INSA, 2002. http://www.theses.fr/2002ISAR0005.

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Ces travaux de recherches s'inscrivent dans le cadre du projet COMMINDOR, qui porte sur l'étude de communications millimétriques courte portée à 60 GHz. L'antenne étant un élément-clé dans ces systèmes, plusieurs filières technologiques sont examinées pour mettre en évidence les qualités et les faiblesses propres à chacune d'elles, en terme de performances, d'intégration et de coût. Une technologie de circuit imprimé est mise en oeuvre pour la réalisation d'antennes planaires à bas coût sur un substrat duroi͏̈d. Pour remédier à la faible bande passante et au rayonnement parasite de la ligne, un nouveau mode d'alimentation par guide d'ondes est développé, conférant à l'antenne une adaptation large bande avec peu de pertes. Grâce à une modélisation électromagnétique globale, des antennes actives intégrées sont également conçues dans une filière MMIC et caractérisées sous pointes. Après le report de la puce et l'intégration à proximité des éléments de découplage, le bénéfice du concept actif sur le gain d'antenne et la bande passante est validé lors des mesures de rayonnement.
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Mohammed, Nadia. "Future of interactive technologies". Thesis, Edinburgh Napier University, 2011. http://researchrepository.napier.ac.uk/Output/4659.

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The concept of interactivity continuously enhances our day-to-day living, allowing us to experience a more convenient and enjoyable life style. Existing analogue technologies such as the internet, mobile phone and satellite have now entered their digital phase, making it possible to increase their capacity for interactivity. The technologies which provide this increased interactivity, namely the internet, mobile and television, are classed as interactive technologies. Television has been successful at marketing, having launched an interactivity interface known as iTV which initially offered superior commercial prospects. However, after a decade, the iTV industry is still quite young and has not reached its full potential. This thesis adopts a range of research methodology with which to forecast the future of interactive technologies, especially interactive TV (iTV). The uptake of new interactive technologies depends on many factors, notably the existing infrastructure in the country of adoption, cultural attitudes to new technology, the radicalism of the technology, social influences and interactions and ease of use, quality and cost. Beyond these, many other significant factors influence the acceptance of interactive technologies, the focus of this thesis is to ascertain the importance of those factors mentioned on technology adoption. This study has adopted technological and judgemental forecasting techniques to predict the future of interactive technologies, following which Cross- Cultural and Technology Acceptance studies were carried out to investigate interactive technology adoption. In the Cross-Cultural study, survey data were collected from the UK, Hong Kong and Pakistan so as to examine cultural factors pertaining to the likelihood of adoption, while Growth Curves were used to model and forecast future levels of adoption. Then technology trends in different countries were collected from the global marketing database Euromonitor. The Growth Curves, applied to a selection of interactive technologies, were evaluated and compared to identify the most useful model with which to forecast the future of interactive technologies. The findings identified the Bass Model, Simple Logistic Model and Gompertz Model as the most suitable models for the purpose, with different models identified as best for different cultures. The Judgemental study established that WWW will be the dominant service provider for financial services such as banking or financial products, while iTV will be the dominant service provider for entertainment. WWW will in fact be the dominant provider for most of the services, followed by iTV and then WAP. It is most likely that WWW, WAP and iTV will exhibit technology convergence in 20 years' time and in all probability will converge into WWW. Further to this the Cross-Cultural study confirmed that there are significant differences between cultures regarding the acceptance of interactive technologies, as it is affected by demographic and social interactions and influences. In addition, the study showed that each interactive technology has its own significant elements which influence its acceptance. Overall, the key elements identified as influencing acceptance of interactive technologies were Knowledge and Confidence, followed by the number of hours the individual spends with his or her family. The Technology Acceptance study identified a technology acceptance model for each interactive technology: WWW, WAP and iTV, which established the factors expected to influence the future growth of the technology. Managing these significant elements will assist further in promoting the growth of interactive technologies
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Wu, Yue. "Advanced technologies for device-to-device communications underlaying cellular networks". Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/15391/.

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The past few years have seen a major change in cellular networks, as explosive growth in data demands requires more and more network capacity and backhaul capability. New wireless technologies have been proposed to tackle these challenges. One of the emerging technologies is device-to-device (D2D) communications. It enables two cellular user equipment (UEs) in proximity to communicate with each other directly reusing cellular radio resources. In this case, D2D is able to offload data traffic from central base stations (BSs) and significantly improve the spectrum efficiency of a cellular network, and thus is one of the key technologies for the next generation cellular systems. Radio resource management (RRM) for D2D communications and how to effectively exploit the potential benefits of D2D are two paramount challenges to D2D communications underlaying cellular networks. In this thesis, we focus on four problems related to these two challenges. In Chapter 2, we utilise the mixed integer non-linear programming (MINLP) to model and solve the RRM optimisation problems for D2D communications. Firstly we consider the RRM optimisation problem for D2D communications underlaying the single carrier frequency division multiple access (SC-FDMA) system and devise a heuristic sub-optimal solution to it. Then we propose an optimised RRM mechanism for multi-hop D2D communications with network coding (NC). NC has been proven as an efficient technique to improve the throughput of ad-hoc networks and thus we apply it to multi-hop D2D communications. We devise an optimal solution to the RRM optimisation problem for multi-hop D2D communications with NC. In Chapter 3, we investigate how the location of the D2D transmitter in a cell may affect the RRM mechanism and the performance of D2D communications. We propose two optimised location-based RRM mechanisms for D2D, which maximise the throughput and the energy efficiency of D2D, respectively. We show that, by considering the location information of the D2D transmitter, the MINLP problem of RRM for D2D communications can be transformed into a convex optimisation problem, which can be efficiently solved by the method of Lagrangian multipliers. In Chapter 4, we propose a D2D-based P2P le sharing system, which is called Iunius. The Iunius system features: 1) a wireless P2P protocol based on Bittorrent protocol in the application layer; 2) a simple centralised routing mechanism for multi-hop D2D communications; 3) an interference cancellation technique for conventional cellular (CC) uplink communications; and 4) a radio resource management scheme to mitigate the interference between CC and D2D communications that share the cellular uplink radio resources while maximising the throughput of D2D communications. We show that with the properly designed application layer protocol and the optimised RRM for D2D communications, Iunius can significantly improve the quality of experience (QoE) of users and offload local traffic from the base station. In Chapter 5, we combine LTE-unlicensed with D2D communications. We utilise LTE-unlicensed to enable the operation of D2D in unlicensed bands. We show that not only can this improve the throughput of D2D communications, but also allow D2D to work in the cell central area, which normally regarded as a “forbidden area” for D2D in existing works. We achieve these results mainly through numerical optimisation and simulations. We utilise a wide range of numerical optimisation theories in our works. Instead of utilising the general numerical optimisation algorithms to solve the optimisation problems, we modify them to be suitable for the specific problems, thereby reducing the computational complexity. Finally, we evaluate our proposed algorithms and systems through sophisticated numerical simulations. We have developed a complete system-level simulation framework for D2D communications and we open-source it in Github: https://github.com/mathwuyue/py- wireless-sys-sim.
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Lim, Cher Ping. "Situating information and communications technologies (ICT) in the economics course". Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322618.

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Wong, Ford Long. "Protocols and technologies for security in pervasive computing and communications". Thesis, University of Cambridge, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611992.

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Oliveira, Ricardo Jorge Figueiredo. "Novel techniques and devices for optical communications and sensing technologies". Doctoral thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/23653.

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Doutoramento em Engenharia Física
Hoje em dia, a tecnologia de fibra óptica está a ser amplamente usada nas áreas de telecomunicações e sensores. Historicamente, as qualidades das fibras ópticas poliméricas (POFs) têm sido menosprezadas devido à popularidade das fibras óticas de vidro. Tal facto advém maioritariamente da sua elevada atenuação. No entanto, os materiais que compõem as POFs têm vindo a melhorar significativamente nestes últimos anos. Nesse sentido, a emergência de novas técnicas e dispositivos têm vindo a ser demonstradas/os. Considerando o campo das telecomunicações, as POFs estão a crescer rapidamente em aplicações de redes de acesso. Além disso, o advento da operação monomodo e das redes de Bragg em POF estão a ser amplamente explorados em aplicações de sensores e portanto, este tipo de tecnologia tenderá a ser uma realidade num futuro próximo. Devido à necessidade de criar uma conexão de baixa perda entre fibra óptica de vidro e polimérica, será demonstrada uma nova técnica capaz de produzir terminais de POF de alta qualidade, num processo rápido, fácil e semiautomático. A conectorização destes tipos de fibras será também analisada nesta dissertação. No seguimento desta tese serão desenvolvidos dois sistemas de gravação de redes de Bragg em POF. Num dos sistemas será usado o tradicional laser de HeCd com operação nos 325 nm, sendo que noutro será usado o laser de KrF com operação nos 248 nm. Os resultados mostrarão a capacidade de gravar redes de Bragg em POF em apenas alguns segundos, contrariamente às várias dezenas de minutos necessários com o laser de 325 nm. Com base no sucesso dos resultados, o sistema de gravação que opera nos 248 nm será usado para fabricar redes de Bragg noutros tipos de fibras, incluindo as de índice em degrau, micro-estruturadas e sem bainha. A gravação de redes de Bragg de excelente qualidade em POFs de elevada birrefringência também será apresentada. A separação entre picos de ressonância irá ser usada para estimar a birrefringência de fase, que será então comparada com a obtida por simulações numéricas e com recurso ao método de varredura de comprimento de onda. As redes de Bragg produzidas pelos métodos anteriores serão então caracterizadas à deformação, temperatura, pressão, humidade e índice de refracção. Os resultados serão comparados com a literatura e com aqueles encontrados teoricamente. Um dispositivo de interferência multimodal feito pela conexão de duas fibras ópticas monomodo de vidro a uma fibra óptica multimodo de polímero, será usado para demonstrar a medição de deformação e temperatura. As capacidades de absorção de água, oferecidas pelo material à base de polimetilmetacrilato serão usadas para medir humidade. No final desta dissertação, um sensor híbrido composto por um dispositivo de interferência multimodal, baseado em POF e contendo uma rede de Bragg, demonstrará a capacidade de medir deformação, temperatura e índice de refracção. A propriedades de baixa absorção de água por parte do material que compõe a fibra polimérica será usada para demonstrar insensibilidade à humidade por parte do sensor.
Nowadays, fiber optic technology is being widely employed in communication and sensing areas. Historically, the qualities of polymer optical fibers (POFs) have been overwhelmed by the popularity of the silica optical fibers. This has been mainly due to the POFs higher transmission loss. However, in last years, POF materials are improving their performance. Therefore, the emergence of new devices and techniques have been demonstrated. Considering the communications field, POFs are growing rapidly in fiber to the home applications. Additionally, the advent of single mode operation and fiber Bragg gratings in POFs are being widely explored in several sensing applications. Consequently, this technology will tend to be a reality in a near future. Due to the need of a low loss connection between silica and polymer optical fibers, it will be demonstrated a new technique capable to produce POF terminals of high quality in an easy, fast and semi-automated process. The connectorization of these types of fibers will be then analysed in this dissertation. The development of two Bragg grating inscription systems for POFs will also be explored in this thesis. One of the systems will employ the traditional HeCd laser operating at 325 nm, while the other will use the KrF laser operating at 248 nm. Results will show the capability to write Bragg gratings in a POF in few seconds, contrary to the several tens of minutes reported for the 325 nm radiation. Based on the success of the results, the 248 nm inscription setup will be used to inscribe Bragg gratings in other types of POFs, including step-index, microstructured, and unclad POFs. The inscription of a high quality Bragg grating in a high-birefringence POF will also be presented and the phase birefringence arising from the Bragg peak separation will be compared with the numerical simulations togheter with the wavelength scanning method. The fiber Bragg gratings produced through the previous methods will be characterized to strain temperature, pressure, humidity and refractive index. Results will be compared with literature and with the ones found theoretically. A multimode interference device made by sandwiching a multimode POF between two single mode silica fibers will be used to demonstrate the ability to measure strain and temperature. The water absorption capabilities offered by the polymethylmethacrylate material will be used to measure humidity. At the end of this dissertation, a hybrid sensor composed of a POF based multimode interference device, comprising a fiber Bragg grating, will demonstrate the capability to measure strain, temperature and refractive index. The low water absorption properties of the material that composes the POF will be used to demonstrate a POF sensor with humidity insensitiveness.
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Libri sul tema "Communications Technologies"

1

Harrison, Paul. Communications technologies. Corby: Institute of Directors, 1996.

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Black, Uyless. Emerging communications technologies. Englewood Cliffs, N.J: PTR Prentice Hall, 1994.

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Black, Uyless D. Emerging communications technologies. 2a ed. Upper Saddle River, NJ: Prentice Hall, 1997.

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Black, Uyless D. Emerging communications technologies. Englewood Cliffs, N.J: PTR Prentice Hall, 1994.

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Mirabito, Michael M. The new communications technologies. 2a ed. Boston: Focal Press, 1994.

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Mirabito, Michael M. The new communications technologies. Boston: Focal Press, 1990.

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Lax, Stephen. Media and Communications Technologies. London: Macmillan Education UK, 2009. http://dx.doi.org/10.1007/978-1-137-07644-1.

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L, Morgenstern Barbara, a cura di. The new communications technologies. 3a ed. Boston: Focal Press, 1997.

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Cashin, Jerry. Messaging technologies for global communications. Charleston, S.C: Computer Technology Research Corp., 1998.

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Glisic, Savo G. Advanced wireless communications: 4G technologies. Chichester: Wiley, 2004.

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Capitoli di libri sul tema "Communications Technologies"

1

Cowley, John. "Communications Technologies". In Communications and Networking, 5–34. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-4357-4_2.

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Goswami, Subrata. "Communications Technologies". In Indoor Location Technologies, 9–28. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-1377-6_2.

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Sandler, Joanne, e Ruby Sandhu. "2. Communications technologies". In The Tech and Tools Book, 17–40. Rugby, Warwickshire, United Kingdom: Practical Action Publishing, 1986. http://dx.doi.org/10.3362/9781780446097.002.

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Lax, Stephen. "Mobile Communications". In Media and Communications Technologies, 181–97. London: Macmillan Education UK, 2009. http://dx.doi.org/10.1007/978-1-137-07644-1_8.

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Davide, Fabrizio, Pierpaolo Loreti, Massimiliano Lunghi, Giuseppe Riva e Francesco Vatalaro. "Communications through Virtual Technologies". In Advanced Lectures on Networking, 124–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-36162-6_6.

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Ndemo, Bitange, e Muriuki Mureithi. "Information and Communications Technologies". In Africans Investing in Africa, 177–202. London: Palgrave Macmillan UK, 2015. http://dx.doi.org/10.1057/9781137542809_11.

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Iwashita, Katsushi, e Nori Shibata. "Coherent transmission technologies". In Coherent Lightwave Communications Technology, 43–102. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-1308-3_3.

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Polese, Michele, Marco Giordani, Marco Mezzavilla, Sundeep Rangan e Michele Zorzi. "6G Enabling Technologies". In Computer Communications and Networks, 25–41. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72777-2_3.

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Dey, Chanchal, e Sunit Kumar Sen. "Open Platform Communications (OPC)". In Industrial Automation Technologies, 311–46. First edition. | Boca Raton, FL : CRC Press, 2020.: CRC Press, 2020. http://dx.doi.org/10.1201/9780429299346-8.

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Harrison, David Mark, Henri Fourdeux e Jean-Charles Point. "Advanced 40 GHz MMDS Technologies". In Broadband Wireless Communications, 306–10. London: Springer London, 1998. http://dx.doi.org/10.1007/978-1-4471-1570-0_31.

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Atti di convegni sul tema "Communications Technologies"

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Bekkadal, Fritz, e Kun Yang. "Novel maritime communications technologies". In 2010 10th Mediterranean Microwave Symposium (MMS). IEEE, 2010. http://dx.doi.org/10.1109/mmw.2010.5605161.

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Bekkadal, Fritz. "Future maritime communications technologies". In OCEANS 2009-EUROPE (OCEANS). IEEE, 2009. http://dx.doi.org/10.1109/oceanse.2009.5278191.

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de Santis, P. V. "Advanced Satellite Communications Technologies". In 17th European Microwave Conference, 1987. IEEE, 1987. http://dx.doi.org/10.1109/euma.1987.333697.

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Tomkos, I., e J. Jue. "Photonic technologies for communications". In GLOBECOM '05. IEEE Global Telecommunications Conference, 2005. IEEE, 2005. http://dx.doi.org/10.1109/glocom.2005.1578355.

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5

"Information and communications technologies". In 2017 13th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS). IEEE, 2017. http://dx.doi.org/10.1109/telsks.2017.8246308.

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6

Bekkadal, Fritz. "Emerging maritime communications technologies". In 2009 9th International Conference on ITS Telecommunications (ITST). IEEE, 2009. http://dx.doi.org/10.1109/itst.2009.5399329.

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7

Li, Le, Zhaoyang Ma e Fei Zhou. "FPGA-Based Technologies Improving the Efficiency of Point to Point Communications in Safety-Related DCSs". In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-67903.

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Abstract (sommario):
As a part of a reactor protection system in safety-related Distributed Control Systems (DCSs) applied in nuclear power plants, Point to Point Communications (PPC) mostly influence the response time of shutdown of a nuclear reactor. A new solution to improve efficiency for point to point communications is receiving increased attention. In this paper, a FPGA-based point to point communications system is proposed, which extremely enhances the communication efficiency for the network communication card with multi-ports. It also delivers a method to meet the requirement of high safety and reliability. In addition, the contribution of shortening the response time of shutdown of a nuclear reactor is presented, which is derived from analysing and calculating the response time based on FirmSys, the first DCS with safety class 1E produced by China with proprietary intellectual property. A validation scheme is also established for verifying the new proposed FPGA-based point to point communications system. The validated platform is built based on the current FirmSys system. The experimental data and calculated result are present in the article. In conclusion, it is proved that the FPGA-based point to point communications could be used to promote the efficiency of point to point communications and shorten the response time of shutdown of a nuclear reactor.
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8

Nagatsuma, T., A. Hirata, Y. Sato, R. Yamaguchi, H. Takahashi, T. Kosugi, M. Tokumitsu, H. Sugahara, T. Furuta e H. Ito. "Sub-Terahertz Wireless Communications Technologies". In 2005 18th International Conference on Applied Electromagnetics and Communications. IEEE, 2005. http://dx.doi.org/10.1109/icecom.2005.204938.

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9

Wu, Qun, e B. K. Kim. "MEMS technologies for rf communications". In Microelectronic and MEMS Technologies, a cura di Uwe F. W. Behringer e Deepak G. Uttamchandani. SPIE, 2001. http://dx.doi.org/10.1117/12.425311.

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10

Tordi, M., G. Marchiori, S. De Lorenzi, F. Rampini, R. F. Cimmino e Matteo Spinola. "Astronomical Technologies and Satellite Communications". In 2019 IEEE International Conference on Microwaves, Antennas, Communications and Electronic Systems (COMCAS). IEEE, 2019. http://dx.doi.org/10.1109/comcas44984.2019.8958031.

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Rapporti di organizzazioni sul tema "Communications Technologies"

1

Greer, Chris. Advanced Communications Technologies Standards. Gaithersburg, MD: National Institute of Standards and Technology, 2022. http://dx.doi.org/10.6028/nist.ir.8433.

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2

Moebus, Martin G. Trends in Processor, Communications, and Connection Technologies. Fort Belvoir, VA: Defense Technical Information Center, settembre 2001. http://dx.doi.org/10.21236/ada390489.

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3

Itoh, Tatsuo. Low Power/Low Noise Electronics Technologies for Wireless Communications. Fort Belvoir, VA: Defense Technical Information Center, agosto 2001. http://dx.doi.org/10.21236/ada395598.

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4

Itoh, Tatsuo. Low Power/Low Noise Electronics Technologies for Wireless Communications. Fort Belvoir, VA: Defense Technical Information Center, gennaio 2002. http://dx.doi.org/10.21236/ada406885.

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5

Barnett, Drew. Integrated Short Range, Low Bandwidth, Wearable Communications Networking Technologies. Fort Belvoir, VA: Defense Technical Information Center, aprile 2012. http://dx.doi.org/10.21236/ada563616.

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6

Bresnahan, Timothy, e Pai-Ling Yin. Adoption of New Information and Communications Technologies in the Workplace Today. Cambridge, MA: National Bureau of Economic Research, giugno 2016. http://dx.doi.org/10.3386/w22346.

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7

Webster, Tom. Trends in Energy Management Technology: BCS Integration Technologies - Open Communications Networking. Office of Scientific and Technical Information (OSTI), settembre 2002. http://dx.doi.org/10.2172/842955.

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8

Goldman, C., W. Kempton, A. Eide e M. Iyer. Impact of information and communications technologies on residental customer energy services. Office of Scientific and Technical Information (OSTI), ottobre 1996. http://dx.doi.org/10.2172/431189.

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9

Everett, Martin. EU–US collaboration on quantum technologies. Royal Institute of International Affairs, gennaio 2021. http://dx.doi.org/10.55317/9781784134211.

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Abstract (sommario):
The development of quantum technologies represents a significant scientific advance with the potential to benefit many. However, security concerns over quantum technologies in the fields of computing and communications – chiefly in relation to encryption and decryption – have limited international cooperation. Existing discussions between the EU and US on quantum technologies remain low key. However, closer partnerships in the sector are possible in basic scientific research and communications standards. In order to remain a relevant player in the advancement of quantum technology, EU-based researchers and start-ups are in need of additional support – in terms of funding and policy – to enable closer cooperation with global researchers and institutions, particularly in the US.
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10

Burns, Mary Burns, e Mohammad Issack Santally Santally. Information and Communications Technologies and Secondary Education in Sub-Saharan Africa: Policies, Practices, Trends and Recommendations. Toronto, Ontario Canada: Mastercard Foundation, novembre 2019. http://dx.doi.org/10.15868/socialsector.36828.

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