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Relevant bibliographies by topics / Global system for mobile communications

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Academic literature on the topic 'Global system for mobile communications'

Author: Grafiati

Published: 4 June 2021

Last updated: 29 July 2024

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Journal articles on the topic "Global system for mobile communications"

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Hanzo, Lajos. "Global system for mobile communications (GSM)." Scholarpedia 3, no. 8 (2008): 4115. http://dx.doi.org/10.4249/scholarpedia.4115.

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S, Kavitha, and Sutha Dr.S. "Pollution Monitoring and Controlling System Using Global System for Mobile Communication Network." Bonfring International Journal of Software Engineering and Soft Computing 9, no. 2 (April 30, 2019): 40–42. http://dx.doi.org/10.9756/bijsesc.9020.

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Huan, Shi Yu. "SMS Remote Control System Based on GSM." Advanced Materials Research 912-914 (April 2014): 1383–85. http://dx.doi.org/10.4028/www.scientific.net/amr.912-914.1383.

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In recent years, mobile communication technology develops at an alarming rate and the development of mobile communications technology enables high-speed wireless data applications become possible. SMS Remote Control System Based on GSM uses mobile phone as the tools for sending control commands, SMS group sending device as the tools to receive the control instruction, PC as the analytical tools for the control commands, and smart appliances as the final controlled objects. It is an ultra long-range wireless control system based on the global mobile communications network.

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Lodge, J. H. "Mobile satellite communications systems: Toward global personal communications." IEEE Communications Magazine 29, no. 11 (November 1991): 24–30. http://dx.doi.org/10.1109/35.109661.

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Peersman, C., S. Cvetkovic, P. Griffiths, and H. Spear. "The Global System for Mobile Communications Short Message Service." IEEE Personal Communications 7, no. 3 (June 2000): 15–23. http://dx.doi.org/10.1109/98.847919.

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Hashim, Wahidah, Marzuki Mimi Hazrinda Binti, and Andino Maseleno. "Arduino Code Global System for Mobile Communications for Signal Analyzer." Journal of Computational and Theoretical Nanoscience 17, no. 6 (June 1, 2020): 2781–87. http://dx.doi.org/10.1166/jctn.2020.8942.

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In these era, everything is on the finger. All application or system that have created or invented are purposely to easiest the user. Even though so many things were transformed into digital things or internet of things, but there is certain thing which still we did in a manual. The best example that we can see is recorded data. Many of us were still record data in the paper which the effect if we not save the paper properly, it may due to loss. So, data collector for signal analyzer is inventing to work as collector data automatically after performing the measuring signal analyzer then save the data to cloud as raw data. Raw data refer to any data object that hasn’t undergone thorough processing, either manually or through automated computer software. Because of that, user may use the raw data to make analysis completely and save it back. User also can get the data anytime when needed.

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Liu, Xiang Juan. "Wireless Communication System Development of Mobile Robot Based on Embedded Technology." Applied Mechanics and Materials 151 (January 2012): 641–45. http://dx.doi.org/10.4028/www.scientific.net/amm.151.641.

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Using the broad coverage of Global System for Mobile communications GSM (Global System for Mobile Communication) wireless network, monitoring remote target is one of research hot spots of remote control. The fact of applying the wireless communication technology, embedded processing techniques to remote monitoring system to realize the complete solution of the wireless remote monitoring system has strong industry value and research significance.This article offers a kind of monitoring system based on GSM. With wheeled mobile robots as an experimental platform, once robot detect water, fire, gas leakage or illegal invasion through the sensor, it will report to the householder through the short message in order to take emergency measures. Take GSM network as the communication channels , because it has a series of advantages such as fastness, reliability, low cost, less maintenance costs ,etc

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Gaol, Ford Lumban, Pramasiwo Alam, Muhammad Bio Franklyn, Kevins Angke, and Tokuro Matsuo. "Traffic Light System With Embedded GPS (Global Positioning System) and GSM (Global System for Mobile Communications) Shield." International Journal of Ambient Computing and Intelligence 14, no. 1 (May 12, 2023): 1–13. http://dx.doi.org/10.4018/ijaci.323196.

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Artificial intelligence traffic controllers are being designed with the primary goal of enabling them to adapt to the most recent sensor data in order to perform ongoing optimizations on the signal timing plan for intersections in a network in order to reduce traffic congestions, the most pressing issue in traffic flow control at present. The authors are employing an intelligent traffic redirection technology to reduce traffic and road congestion. This would operate utilizing sensors to determine weight, with the result communicated to a traffic light PLC to control the detour. The result of experiments reduced the number of automobiles in a given time interval by 51%. There is improvement as well as on the average speed of automobiles that increase within the system by 49%. The authors also found a reduction of the average time a vehicle must wait in a system by 58%. Moreover, the implementation shows that the average wait times at junctions have been reduced by 34%.

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Rathee, Dr Akash. "Automated Power Saving Conference Hall System using Global System for Mobile Communications(GSM)." International Journal for Research in Applied Science and Engineering Technology 6, no. 6 (June 30, 2018): 1214–18. http://dx.doi.org/10.22214/ijraset.2018.6177.

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Pachon, Alvaro, Andres Navarro, and Ubaldo Garcia. "Global Resource Scheduler in a Mobile Communications System Featuring Heterogeneous Architecture." IEEE Latin America Transactions 13, no. 11 (November 2015): 3544–49. http://dx.doi.org/10.1109/tla.2015.7387928.

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Dissertations / Theses on the topic "Global system for mobile communications"

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Prince, Castro Jonathan Castro Jonathan Prince. "A global satellite system for mobile communications /." [S.l.] : [s.n.], 1995. http://library.epfl.ch/theses/?nr=1300.

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Chan, Ka Chun. "A dual channel location estimation system for mobile computing." HKBU Institutional Repository, 2003. http://repository.hkbu.edu.hk/etd_ra/445.

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Kan, Ka Ho. "Location estimation system based on the GSM network." HKBU Institutional Repository, 2004. http://repository.hkbu.edu.hk/etd_ra/524.

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Lee, See Taur. "Quad-band global system for mobile communications complementary metal-oxide-semiconductor transmitter /." Thesis, Connect to this title online; UW restricted, 2003. http://hdl.handle.net/1773/6122.

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Liu, Tuo. "Analytical modeling of HSUPA-enabled UMTS networks for capacity planning." Connect to full text, 2008. http://ses.library.usyd.edu.au/handle/2123/4055.

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Thesis (Ph. D.)--University of Sydney, 2009.
Title from title screen (viewed February 20, 2009). Includes graphs and tables. Includes list of publications co-authored with others. Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the School of Information Technologies, Faculty of Engineering and Information Technologies. Degree awarded 2009; thesis submitted 2008. Includes bibliographical references. Also available in print form.

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Ree, Leon P. "Integration of GPS navigation with mobile telephone communications using Bluetooth wireless technology." Thesis, Queensland University of Technology, 2002. https://eprints.qut.edu.au/36167/1/36167_Ree_2002.pdf.

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This thesis examines Bluetooth wireless technology, a technology for low-cost, low-range and low-power transfer of data between electronic devices. It overviews the technology by providing the history behind its development and then covers the various layers of its protocol. The uses of the technology, as specified during its development, are also presented. The future direction of Bluetooth wireless technology is summarised and a brief overview of some its main competitors is given. The main contribution of this thesis is a system that has been developed using Bluetooth wireless technology to transfer location information from a GPS receiver to a mobile telephone handset. Such a system cannot be currently purchased as an "off the shelf" item. This system provides the user of a mobile handset with location information without the need for a separate handheld device. The design of both the hardware and software for implementing this system is described. The system has been successfully built and tested and is to be commercialised.

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Darweesh, Turki H. "Capacity and performance analysis of a multi-user, mixed traffic GSM network." Ottawa, 1999.

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Sharma, Bishal. "Radio frequency optimization of a Global System for Mobile (GSM) network." Menomonie, WI : University of Wisconsin--Stout, 2008. http://www.uwstout.edu/lib/thesis/2008/2008sharmab.pdf.

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Liu, Tuo. "Analytical modeling of HSUPA-enabled UMTS networks for capacity planning." Thesis, The University of Sydney, 2008. http://hdl.handle.net/2123/4055.

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In recent years, mobile communication networks have experienced significant evolution. The 3G mobile communication system, UMTS, employs WCDMA as the air interface standard, which leads to quite different mobile network planning and dimensioning processes compared with 2G systems. The UMTS system capacity is limited by the received interference at NodeBs due to the unique features of WCDMA, which is denoted as `soft capacity'. Consequently, the key challenge in UMTS radio network planning has been shifted from channel allocation in the channelized 2G systems to blocking and outage probabilities computation under the `cell breathing' effects which are due to the relationship between network coverage and capacity. The interference characterization, especially for the other-cell interference, is one of the most important components in 3G mobile networks planning. This monograph firstly investigates the system behavior in the operation of UMTS uplink, and develops the analytic techniques to model interference and system load as fully-characterized random variables, which can be directly applicable to the performance modeling of such networks. When the analysis progresses from single-cell scenario to multi-cell scenario, as the target SIR oriented power control mechanism is employed for maximum capacity, more sophisticated system operation, `feedback behavior', has emerged, as the interference levels at different cells depend on each other. Such behaviors are also captured into the constructed interference model by iterative and approximation approaches. The models are then extended to cater for the features of the newly introduced HSUPA, which provides enhanced dedicated channels for the packet switched data services such that much higher bandwidth can be achieved for best-effort elastic traffic, which allows network operators to cope with the coexistence of both circuit-switched and packet-switched traffic and guarantee the QoS requirements. During the derivation, we consider various propagation models, traffic models, resource allocation schemes for many possible scenarios, each of which may lead to different analytical models. All the suggested models are validated with either Monte-Carlo simulations or discrete event simulations, where excellent matches between results are always achieved. Furthermore, this monograph studies the optimization-based resource allocation strategies in the UMTS uplink with integrated QoS/best-effort traffic. Optimization techniques, both linear-programming based and non-linear-programming based, are used to determine how much resource should be assigned to each enhanced uplink user in the multi-cell environment where each NodeB possesses full knowledge of the whole network. The system performance under such resource allocation schemes are analyzed and compared via Monte-Carlo simulations, which verifies that the proposed framework may serve as a good estimation and optimal reference to study how systems perform for network operators.

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Hill, Ryan Tebbutt. "Adaptive interfaces for mobile preference-based searching." Thesis, Nelson Mandela Metropolitan University, 2009. http://hdl.handle.net/10948/1248.

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Today's mobile computing devices provide a convenient means to search for points-of-interest (POIs) such as restaurants and accommodation. Mobile Preference-Based Search Tools (PBSTs) allow users to identify POIs such as restaurants or accommodation most suited to their needs and constraints using a mobile device. These devices however, have several design constraints including limited screen space and hardware capabilities. Adaptive User Interfaces (AUIs) have been proposed to address these issues but have not been extensively applied to mobile PBSTs such as mobile tourist guides. In addition, AUIs possess several benefits and advantages over static (traditional) interfaces, which do not take a user's preferences, skill set and experience into account. Little research, however, has been conducted into identifying the potential benefits of AUIs for mobile preference-based searching (PBS). The aim of this research was to determine the extent to which an AUI could improve the effectiveness and user satisfaction of mobile PBS. A literature study was conducted to determine the benefits and limitations of existing mobile PBSTs and determine how these could be improved. The potential benefits of AUIs for mobile PBSTs and a mobile map-based visualisation system were identified. A suitable model for incorporating an AUI into a mobile PBST was identified. The requirements for a mobile PBST were combined with the potentially adaptable objects of a Mobile Map-based Visualisation (MMV) system to provide adaptation suggestions for POInter, an existing mobile tourist guide. A field study using POInter was conducted in order to measure the extent to which participants agreed with suggestions provided for adapting the information, interaction and visualisation aspects of the system. These results were used to derive adaptation requirements for A-POInter, an adaptive version of POInter. Using a model-based design approach, an AUI was designed and implemented for A-POInter. An extensive field study was then conducted to evaluate the usability of the adaptations provided by A-POInter. The quantitative and qualitative data collected from the evaluations allowed the usability of A-POInter to be determined. The results of the field study showed that the participants were highly satisfied with the usability and the usefulness of the adaptations provided by A-POInter. Conclusions and recommendations for future work based on the results of the research were then outlined to conclude the dissertation.

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Books on the topic "Global system for mobile communications"

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Flavio, Muratore, ed. UMTS: Mobile communications for the future. Chichester: Wiley, 2001.

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Goggin, Gerard. Global mobile media. Abingdon, Oxon: Routledge, 2011.

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E, Wilkes Joseph, ed. Principles and applications of GSM. Upper Saddle River, N.J: Prentice Hall PTR, 1999.

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Sampei, Seiichi. Applications of digital wireless technologies to global wireless communications. Upper Saddle River, NJ: Prentice Hall PTR, 1997.

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Cox, Christopher. Essentials of UMTS. New York: Cambridge University Press, 2008.

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Nat︠s︡ionalʹnai︠a︡ assot︠s︡iat︠s︡ii︠a︡ operatorov seteĭ svi︠a︡zi tretʹego pokolenii︠a︡ (Russia). Perspektivy vnedrenii︠a︡ sistem mobilʹnoĭ svi︠a︡zi tretʹego pokolenii︠a︡ v Rossii. Moskva: Nat︠s︡ionalʹnai︠a︡ assot︠s︡iat︠s︡ii︠a︡ operatorov, 2001.

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Heikki, Kaaranen, ed. UMTS networks: Architecture, mobility, and services. 2nd ed. Chichester, West Sussex, England: J. Wiley & Sons, 2005.

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Eberspächer, Jörg, Hans-Jörg Vögel, and Christian Bettstetter. GSM Global System for Mobile Communication. Wiesbaden: Vieweg+Teubner Verlag, 2000. http://dx.doi.org/10.1007/978-3-322-94063-6.

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Eberspächer, Jörg, and Hans-Jörg Vögel. GSM Global System for Mobile Communication. Wiesbaden: Vieweg+Teubner Verlag, 1999. http://dx.doi.org/10.1007/978-3-322-94105-3.

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Eberspächer, Jörg, and Hans-Jörg Vögel. GSM Global System for Mobile Communication. Wiesbaden: Vieweg+Teubner Verlag, 1997. http://dx.doi.org/10.1007/978-3-322-91858-1.

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Book chapters on the topic "Global system for mobile communications"

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Haleem, Mohamed A., and Koduvayur P. Subbalakshmi. "Global System for Mobile Communications." In Handbook of Computer Networks, 642–57. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118256114.ch42.

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Holley, K. A. "Global System for Mobile Communications — What’s in Store?" In Mobile Systems, 67–80. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-6377-8_4.

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Ilčev, Stojče Dimov. "Global Broadcasting Satellite System (GBSS)." In Global Mobile Satellite Communications Applications, 203–304. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-71858-3_3.

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Ilčev, Stojče Dimov. "Inmarsat GEO GMSC System." In Global Mobile Satellite Communications Applications, 1–100. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-71858-3_1.

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Ilčev, Stojče Dimov. "Cospas-Sarsat GMSC System." In Global Mobile Satellite Communications Applications, 305–71. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-71858-3_4.

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Georg, Otfried. "Global System for Mobile Communications (GSM)." In Telekommunikationstechnik, 523–81. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-56985-2_10.

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Jiang, Wei, and Bin Han. "Global System for Mobile Communications (GSM)." In Cellular Communication Networks and Standards, 37–51. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-57820-5_4.

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Ilčev, Stojče Dimov. "Global Mobile Satellite Distress System (GMSDS)." In Global Mobile Satellite Communications Applications, 373–465. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-71858-3_5.

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Peters, Robert A. "Payload Trades, Antennas and Communications." In Global Mobile Satellite Systems, 133–62. Boston, MA: Springer US, 2003. http://dx.doi.org/10.1007/978-1-4615-0329-3_7.

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Ilčev, Stojče Dimov. "Mobile Satellite Antenna Systems." In Global Mobile Satellite Communications Theory, 301–92. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-39171-7_4.

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Conference papers on the topic "Global system for mobile communications"

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Suzuki, Ryutaro, Shingo Ohmori, and Masao Matsumoto. "Global multimedia mobile satelite communication system (GMMSS)." In 17th AIAA International Communications Satellite Systems Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1998. http://dx.doi.org/10.2514/6.1998-1215.

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LOUIE, MING, PAUL MONTE, RANDY TYNER, DENIS ROUFFET, and KLEINS GILHOUSEN. "Globalstar communications payload for global mobile communications." In 14th International Communication Satellite Systems Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1992. http://dx.doi.org/10.2514/6.1992-1953.

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Losquadro, G. "Global integrated system for future broadband mobile satellite communications." In 18th International Communications Satellite Systems Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2000. http://dx.doi.org/10.2514/6.2000-1101.

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MONTE, PAUL, and ANDREW TURNER. "Constellation selection for Globalstar - A global mobile communications system." In 14th International Communication Satellite Systems Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1992. http://dx.doi.org/10.2514/6.1992-1987.

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Yamamoto, K., T. Kanekiyo, K. Dai, S. Hayashi, S. Sasaki, and K. Kamogawa. "Development of Evolved Mobile Satellite Communications System; WIDESTAR II." In 2011 IEEE Global Communications Conference (GLOBECOM 2011). IEEE, 2011. http://dx.doi.org/10.1109/glocom.2011.6133858.

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Ho, Yik Him, Peter Man Fai Ho, and Henry C. B. Chan. "Mobile Intercloud System and Objects Transfer Mechanism." In 2017 IEEE Global Communications Conference (GLOBECOM 2017). IEEE, 2017. http://dx.doi.org/10.1109/glocom.2017.8254706.

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Othman, Kama Azura, and Mohd Huzaifah Bin Zianal. "Virtual market implementation using global system for mobile communications (GSM)." In 2016 IEEE Symposium on Computer Applications & Industrial Electronics (ISCAIE). IEEE, 2016. http://dx.doi.org/10.1109/iscaie.2016.7575042.

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Hofestadt, H. "GSM-R: global system for mobile radio communications for railways." In International Conference on Electric Railways in a United Europe. IEE, 1995. http://dx.doi.org/10.1049/cp:19950189.

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Fogliati, V. "ISICOM: Integrated Space Infrastructure for Global COMmunications." In 2008 4th Advanced Satellite Mobile Systems (ASMS). IEEE, 2008. http://dx.doi.org/10.1109/asms.2008.8.

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Sciullo, Luca, Federico Fossemo, Angelo Trotta, and Marco Di Felice. "LOCATE: A LoRa-based mObile emergenCy mAnagement sysTEm." In GLOBECOM 2018 - 2018 IEEE Global Communications Conference. IEEE, 2018. http://dx.doi.org/10.1109/glocom.2018.8647177.

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Reports on the topic "Global system for mobile communications"

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Wilde, E., and A. Vaha-Sipila. URI Scheme for Global System for Mobile Communications (GSM) Short Message Service (SMS). RFC Editor, January 2010. http://dx.doi.org/10.17487/rfc5724.

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Duan, X., S. Wang, M. Westerlund, K. Hellwig, and I. Johansson. RTP Payload Format for Global System for Mobile Communications Half Rate (GSM-HR). RFC Editor, October 2010. http://dx.doi.org/10.17487/rfc5993.

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Haverinen, H., and J. Salowey, eds. Extensible Authentication Protocol Method for Global System for Mobile Communications (GSM) Subscriber Identity Modules (EAP-SIM). RFC Editor, January 2006. http://dx.doi.org/10.17487/rfc4186.

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Allen, A., D. McDonald, and P. Gosden. A Uniform Resource Name Namespace for the Global System for Mobile Communications Association (GSMA) and the International Mobile station Equipment Identity (IMEI). Edited by M. Montemurro. RFC Editor, May 2014. http://dx.doi.org/10.17487/rfc7254.

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Roberts, Tony, Judy Gitahi, Patrick Allam, Lawrence Oboh, Oyewole Oladapo, Gifty Appiah-Adjei, Amira Galal, et al. Mapping the Supply of Surveillance Technologies to Africa: Case Studies from Nigeria, Ghana, Morocco, Malawi, and Zambia. Institute of Development Studies, September 2023. http://dx.doi.org/10.19088/ids.2023.027.

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African governments are spending over 1US$bn per year on digital surveillance technologies which are being used without adequate legal protections in ways that regularly violate citizens’ fundamental human rights. This report documents which companies, from which countries, are supplying which types of surveillance technology to African governments. Without this missing detail, it is impossible to adequately design measures to mitigate and overcome illegal surveillance and violations of human rights. Since the turn of the century, we have witnessed a digitalisation of surveillance that has enabled the algorithmic automation of surveillance at a scale not previously imaginable. Surveillance of citizens was once a labour and time-intensive process. This provided a practical limit to the scope and depth of state surveillance. The digitalisation of telephony has made it possible to automate the search for keywords across all mobile and internet communications. For the first time, state surveillance agencies can do two things: (a) conduct mass surveillance of all citizens’ communications, and (b) micro-target individuals for in-depth surveillance that draws together in real-time data from mobile calls, short message service (SMS), internet messaging, global positioning system (GPS) location, and financial transactions. This report was produced by qualitative analysis of open-source data in the public domain. The information presented is drawn from a diverse range of sources, including open government data sets, export licence portals, procurement notices, civil society databases of surveillance contracts, press releases from surveillance companies, academic articles, reports, and media coverage. The research is organised using a typology of five categories of surveillance technology. We did not set out to detail every technology available, every company, or every supply contract. Instead, we document the main companies and countries selling digital surveillance technologies to African governments. Rather than focus on the technical functionality distinguishing each product offering, we highlight five of the most important types of surveillance technology: internet interception, mobile interception, social media surveillance, ‘safe city’ technologies for the surveillance of public spaces, and biometric identification technologies.

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Fang, Mei Lan, Judith Sixsmith, Jacqui Morris, Chris Lim, Morris Altman, Hannah Loret, Rayna Rogowsky, Andrew Sixsmith, Rebecca White, and Taiuani Marquine Raymundo. AgeTech, Ethics and Equity: Towards a Cultural Shift in AgeTech Ethical Responsibility. University of Dundee, 2023. http://dx.doi.org/10.20933/100001292.

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Population ageing is a global phenomenon which presents major challenges for the provision of care at home and in the community (ONS, 2018). Challenges include the human and economic costs associated with increasing numbers of older people with poor physical and mental health, loneliness, and isolation challenges (Mihalopoulos et al., 2020). The global ageing population has led to a growth in the development of technology designed to improve the health, well-being, independence, and quality of life of older people across various settings (Fang, 2022). This emerging field, known as “AgeTech,” refers to “the use of advanced technologies such as information and communications technologies (ICT’s), technologies related to e-health, robotics, mobile technologies, artificial intelligence (AI), ambient systems, and pervasive computing to drive technology-based innovation to benefit older adults” (Sixsmith, et al., 2020 p1; see also Pruchno, 2019; Sixsmith, Sixsmith, Fang, and Horst, 2020). AgeTech has the potential to contribute in positive ways to the everyday life and care of older people by improving access to services and social supports, increasing safety and community inclusion; increasing independence and health, as well as reducing the impact of disability and cognitive decline for older people (Sixsmith et al, 2020). At a societal level, AgeTech can provide opportunities for entrepreneurs and businesses (where funding and appropriate models exist) (Akpan, Udoh and Adebisi, 2022), reduce the human and financial cost of care (Mihalopoulos et al., 2020), and support ageing well in the right place (Golant, 2015).

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Valverde, Alvaro. Information and communication technologies for improving investment readiness of small and medium agribusinesses. Commercial Agriculture for Smallholders and Agribusiness (CASA), 2020. http://dx.doi.org/10.1079/20240191164.

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Information and communication technologies (ICTs) are increasingly seen as an enabler to improve and promote efficiencies in global food market systems, and the high penetration rate of mobile phones is playing a catalytic role in developing countries. Mobile-based agriculture-value-added services (agri-VAS) aim to mitigate the information, financial and market access gaps faced by smallholder farmers and agribusinesses in developing countries. Over the last two decades, the number and variety of agri-VAS has been continuously increasing, and their landscape has been evolving. However, many agri-VAS never reach financial sustainability or scale and are discontinued after a few years. Increasing efforts are being made to map the landscape of agri-VAS targeted at smallholder farmers across Africa and Asia. However, insufficient attention has been paid to exploring successful agri-VAS that have small and medium (SME) agribusinesses as their main clients and that source from smallholder farmers. Areas with potential for further study include the following: (a) agribusinesses operating in value chains that are digitized by others (e.g. mobile network operators); (b) agribusinesses that are developing and deploying agri-VAS in-house; (c) agribusinesses using services provided by third-party agri-VAS providers within their value chains; and (d) agribusinesses that develop partnerships with agri-VAS providers to co-develop solutions. This study aims to address the following question: What are the factors behind successful deployment of mobile technologies to improve agribusiness productivity and investment readiness? It aims to analyse agri-VAS that have SME agribusinesses as their main clients, as they are more likely to positively impact the investment readiness of SME agribusinesses than agri-VAS with smallholder farmers as their only clients, which are also the most evaluated type of agri-VAS. The study consists of a combination of secondary and primary research, resulting in: (a) a set of investment-policy and service-design recommendations, based on high-impact, sustainable agribusiness-focused VAS; (b) recommendations on how to improve the body of impact evidence; and (c) the identification of investment opportunities at the agribusiness and agri-VAS levels.

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McCrickard, III, and Thomas L. Application of the NAVSTAR Global Positioning System (GPS) to the Network Synchronization of the DCS (Defense Communications System). Fort Belvoir, VA: Defense Technical Information Center, March 1987. http://dx.doi.org/10.21236/ada181457.

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Goncharenko, Tatiana, Nataliia Yermakova-Cherchenko, and Yelyzaveta Anedchenko. Experience in the Use of Mobile Technologies as a Physics Learning Method. [б. в.], November 2020. http://dx.doi.org/10.31812/123456789/4468.

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Swift changes in society, related to sciences technicians’ development, technologies, by the increase of general volume of information, pull out new requirements for maintenance, structure, and quality of education. It requires teachers to diversify a tool in the direction of the increase in possibilities of the use of mobile technologies and computer systems. Lately in the world, more attention spared to the use of mobile learning, which in obedience to «Recommendations of UNESCO on the questions of a policy in the area of mobile learning» foresees the use of mobile technology, both separate and together with other by informational computer technologies. [1]. Mobile learning allows using the open informational systems, global educational networks, unique digital resources which belong to different educational establishments and co-operate with each other. The use of existent educational resources and creation of own, based on the academic resources from informative space, allows to promote the interest of students to the study of physics, to take into account the individual features, and also features of region and framework of society of the country. During the last years in Ukraine competency-based approach to the organization of studies certainly one of basic. The new Education Act addresses the key competencies that every modern person needs for a successful life, including mathematical competence; competence in natural sciences, engineering, and technology; innovation; information and communication competence [2]. This further emphasizes the importance of providing students with quality physical education and the problems associated with it. Using mobile technology in professional teaching work, the teacher has the opportunity to implement the basic principles of the competence approach in teaching physics. An analysis of the data provided in the official reports of the Ukrainian Center for Educational Quality Assessment showed that the number of students making an external independent assessment in physics and choosing a future profession related to physics has decreased significantly. This is due to the loss of students' interest in physics and the complexity of the content of the subject, as well as the increase in the amount of information that students need to absorb. In this article, we explore the possibilities of mobile technology as a means of teaching physics students and give our own experience of using mobile technology in the process of teaching physics (for example, the optics section in primary school).

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Carpenter, Marie, and William Lazonick. The Pursuit of Shareholder Value: Cisco’s Transformation from Innovation to Financialization. Institute for New Economic Thinking Working Paper Series, February 2023. http://dx.doi.org/10.36687/inetwp202.

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Once the global leader in telecommunication systems and the Internet, over the past two decades the United States has fallen behind global competitors, and in particular China, in mobile communication infrastructure—specifically 5G and Internet of Things (IoT). This national failure, with the socioeconomic and geopolitical tensions that it creates, is not due to a lack of US government investment in the knowledge required for the mobility revolution. Nor is it because of a dearth of domestic demand for the equipment, devices, and applications that can make use of this infrastructure. Rather, the problem is the dereliction of key US-based business corporations to take the lead in making the investments in organizational learning required to generate cutting edge communication-infrastructure products. No company in the United States exemplifies this deficiency more than Cisco Systems, the business corporation founded in Silicon Valley in 1984 that had explosive growth in the 1990s to become the foremost global enterprise-networking equipment producer in the Internet revolution. This paper provides in-depth analysis of Cisco’s organizational failure, attributing it ultimately to the company’s turn from innovation in the last decades of 20th century to financialization in the early decades of the 21st century. Since 2001, Cisco’s top management has chosen to allocate corporate cash to open-market share repurchases— aka stock buybacks—for the purpose of giving manipulative boosts to the company stock price rather than make the investments in organizational learning required to become a world leader in communication-infrastructure equipment for the era of 5G and IoT. From October 2001 through October 2022, Cisco spent $152.3 billion—95 percent of its net income over the period—on stock buybacks for the purpose of propping up its stock price. These funds wasted in pursuit of “maximizing shareholder value” were on top of the $55.5 billion that Cisco paid out to shareholders in dividends, representing an additional 35 percent of net income. In this paper, we trace how Cisco grew from a Silicon Valley startup in 1984 to become, through its innovative products, the world leader in enterprise-networking equipment over the next decade and a half. As the company entered the 21st century, building on its dominance of enterprise-networking, Cisco was positioned to upgrade its technological capabilities to become a major infrastructureequipment vendor to service providers. We analyze how and why, when the Internet boom turned to bust in 2001, the organizational structure that enabled Cisco to dominate enterprise networking posed constraints related to manufacturing and marketing on the company’s growth in the more sophisticated infrastructure-equipment segment. We then document how from 2002 Cisco turned from innovation to financialization, as it used its ample profits to do stock buybacks to prop up its stock price. Finally, we ponder the larger policy implications of Cisco’s turn from innovation to financialization for the competitive position of the US information-and-communication technology (ICT) industry in the global economy.

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