Academic literature on the topic 'Mobile telecommunication systems'

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Journal articles on the topic "Mobile telecommunication systems"

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Karis, Demetrios, and Bonnie L. Zeigler. "Evaluation of Mobile Telecommunication Systems." Proceedings of the Human Factors Society Annual Meeting 33, no. 4 (1989): 205–9. http://dx.doi.org/10.1177/154193128903300401.

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Mobile telephony exhibits transmission characteristics and user-interface features distinct from traditional telephony. To study these differences in systems designed for use in commercial airplanes, trains, and automobiles, we used a variety of techniques, including both laboratory and field observations. We found that mobile telephony, viewed from the user's perspective, is quite different from traditional telephone service. In the present paper, we review the assessment techniques that we employed, and consider their strengths and weaknesses for characterizing the performance of mobile telecommunication systems. Our results indicate that there are five major sources of potential user-interface problems in mobile telephony: (1) use of credit cards; (2) system delays; (3) lack of coordination among multiple sources of feedback; (4) the mechanism for completing multiple calls without credit-card reentry; (5) voice dialing. Because solving the problems we have identified does not require new or overly expensive technology, solutions are fairly straightforward to implement during the early design period. However, once units have been manufactured and installed, it can be both very difficult and very expensive to recover from the problems we have identified.
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Callendar, M. H. "Future public land mobile telecommunication systems." IEEE Personal Communications 1, no. 4 (1994): 18. http://dx.doi.org/10.1109/mpc.1994.337513.

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Callendar, Mike. "Future public land mobile telecommunication systems." Canadian Journal of Electrical and Computer Engineering 17, no. 4 (1992): 152–55. http://dx.doi.org/10.1109/cjece.1992.6592500.

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Kudo, Daisuke, Hajime Furukawa, Atsuhiro Nakagawa, et al. "Reliability of Telecommunications Systems Following a Major Disaster: Survey of Secondary and Tertiary Emergency Institutions in Miyagi Prefecture During the Acute Phase of the 2011 Great East Japan Earthquake." Prehospital and Disaster Medicine 29, no. 2 (2014): 204–8. http://dx.doi.org/10.1017/s1049023x14000119.

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AbstractIntroductionTelecommunication systems are important for sharing information among health institutions to successfully provide medical response following disasters.Hypothesis/ProblemThe aim of this study was to clarify the problems associated with telecommunication systems in the acute phase of the Great East Japan Earthquake (March 11, 2011).MethodsAll 72 of the secondary and tertiary emergency hospitals in Miyagi Prefecture were surveyed to evaluate the telecommunication systems in use during the 2011 Great Japan Earthquake, including satellite mobile phones, multi-channel access (MCA) wireless systems, mobile phones, Personal Handy-phone Systems (PHS), fixed-line phones, and the Internet. Hospitals were asked whether the telecommunication systems functioned correctly during the first four days after the earthquake, and, if not, to identify the cause of the malfunction. Each telecommunication system was considered to function correctly if the hospital staff could communicate at least once in every three calls.ResultsValid responses were received from 53 hospitals (73.6%). Satellite mobile phones functioned correctly at the highest proportion of the equipped hospitals, 71.4%, even on Day 0. The MCA wireless system functioned correctly at the second highest proportion of the equipped hospitals. The systems functioned correctly at 72.0% on Day 0 and at 64.0% during Day 1 through Day 3. The main cause of malfunction of the MCA wireless systems was damage to the base station or communication lines (66.7%). Ordinary (personal or general communication systems) mobile phones did not function correctly at any hospital until Day 2, and PHS, fixed-line phones, and the Internet did not function correctly at any area hospitals that were severely damaged by the tsunami. Even in mildly damaged areas, these systems functioned correctly at <40% of the hospitals during the first three days. The main causes of malfunction were a lack of electricity (mobile phones, 25.6%; the Internet, 54.8%) and damage to the base stations or communication lines (the Internet, 38.1%; mobile phones, 56.4%).ConclusionResults suggest that satellite mobile phones and MCA wireless systems are relatively reliable and ordinary systems are less reliable in the acute period of a major disaster. It is important to distribute reliable disaster communication equipment to hospitals and plan for situations in which hospital telecommunications systems do not function.KudoD, FurukawaH, NakagawaA, AbeY, WashioT, ArafuneT, SatoD, YamanouchiS, OchiS, TominagaT, KushimotoS. Reliability of telecommunications systems following a major disaster: survey of secondary and tertiary emergency institutions in Miyagi Prefecture during the acute phase of the 2011 Great East Japan Earthquake. Prehosp Disaster Med. 2014;29(1):1-5.
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Fakrullah, Ahmad Nasruddin Atiqullah, Tharek Abd Rahman, Rozzeta Dolah, and Umi Sabriah Haron. "Analysis on the Band Plans for IMT Systems in 698-960MHz." Applied Mechanics and Materials 735 (February 2015): 311–15. http://dx.doi.org/10.4028/www.scientific.net/amm.735.311.

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Spectrum band from 698-960 MHz has been identified for International Mobile Telecommunications (IMT) by International Telecommunication Union (ITU). This paper provides the analysis of potential scenarios on the band plans for mobile broadband using IMT systems in the 698-960 MHz band based on the published recommendations from ITU and from 3rd Generation Partnership Project (3GPP) in order to provide reference to national administrations in performing its spectrum management role. This study focuses from the perspective of maximizing spectrum utilization of this scarce national resource with consideration of the co-existence requirements, current usages and potential interference between different frequency arrangements.
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MACHIHARA, F. "Mobile Telecommunication Systems and Generalized Erlang Loss Formula." IEICE Transactions on Communications E88-B, no. 1 (2005): 183–89. http://dx.doi.org/10.1093/ietcom/e88-b.1.183.

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Maria, Mykoniati, and Lambrinoudakis Costas. "Software Development Lifecycle for Survivable Mobile Telecommunication Systems." Advances in Science, Technology and Engineering Systems Journal 6, no. 4 (2021): 259–77. http://dx.doi.org/10.25046/aj060430.

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Fatemi, M., S. Salimi, and A. Salahi. "Anonymous roaming in universal mobile telecommunication system mobile networks." IET Information Security 4, no. 2 (2010): 93. http://dx.doi.org/10.1049/iet-ifs.2009.0154.

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Pidikiti, Vidya Nanda Hruday. "Tracking And Positioning Of Mobile Systems In Telecommunication Networks." International Journal of Technology 6, no. 1 (2016): 17. http://dx.doi.org/10.5958/2231-3915.2016.00005.5.

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Lyberopoulos, G. L., J. G. Markoulidakis, D. V. Polymeros, D. F. Tsirkas, and E. D. Sykas. "Intelligent paging strategies for third generation mobile telecommunication systems." IEEE Transactions on Vehicular Technology 44, no. 3 (1995): 543–54. http://dx.doi.org/10.1109/25.406621.

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Dissertations / Theses on the topic "Mobile telecommunication systems"

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Stevens, David Story. "TDMA slot allocation strategies for mobile packet radio networks." Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/9190.

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Wang, Yuanyuan. "Browser-based and mobile video communication alternatives for Deaf people." Thesis, University of the Western Cape, 2011. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_5753_1319028741.

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<p>This thesis o ers some prototypes to provide browser-based and mobile video communication services for Deaf people and evaluates these prototypes. The aim of this research is to identify an acceptable video communication technology for Deaf people by designing and evaluating several prototypes. The goal is to nd one that Deaf people would like to use in their day-to-day life. The thesis focuses on two technologies | browser-based systems and mobile applications. Several challenges emerged, for example, speci c Deaf user requirements are di cult to obtain, the technical details must be hidden from end users, and evaluation of prototypes includes both technical and social aspects. This thesis describes work to provide South African Sign Language communication for Deaf users in a disadvantaged Deaf community in Cape Town. We posit an experimental design to evaluate browser-based and mobile technologies in order to learn what constitutes acceptable video communication for Deaf users. Two browser-based prototypes and two mobile prototypes were built to this e ect. Both qualitative data and quantitative data are collected with user tests to evaluate the prototypes. The video quality of Android satis es Deaf people, and the portable asynchronous communication is convenient for Deaf users. The server performance is low on bandwidth, and will therefore cost less than other alternatives, although Deaf people feel the handset is costly.</p>
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To, Sin Yam. "Quality of service framework for mobile ad hoc networks /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?COMP%202003%20TO.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 122-124). Also available in electronic version. Access restricted to campus users.
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Diehl, Andreas. "Software architecture for data storage concepts within future mobile telecommunication systems." Thesis, University of Plymouth, 2007. http://hdl.handle.net/10026.1/332.

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In current mobile telecommunication networks, databases and the subscriber data is distributed among multiple network domains and database systems. The heterogeneous data storage concept is based on the permanent evolution of the mobile networks and the support of different kinds of network technologies. Dependent on the particular network domain and the dedicated technology, distributed subscriber data has to be accessed via specialised protocols.This thesis proposes a novel software architecture for the next generation profile register (NGPR) - an approach to provide subscriber information using a logically centralised register for subscriber data from several mobile network domains. The NGPR subscriber data model supports a network-independent layer that references to different kinds of network-specific data (such as subscribed services, user related data and run-time data). Appropriate adapters ensure the reusage of network-independent data for several specific mobile core domains or administrative systems. This thesis includes an UMTS interoperability concept for the SS7 (signaling system no. 7) and IP-based domains by utilising the service-oriented architecture (SOA). SOA concepts provide the flexibility to integrate different network-specific domains by data services. The data services (based on web services technology) are supported in a conventional way and by a binary mode in order to improve performance for the telecommunication networks. The service framework of the NGPR manages data services in general and links requests from the mobile domains to relevant subsets of subscriber data. NGPR data services support network-specific and generic interfaces that are proposed within concepts of the next generation networks or UMTS release 6. Based on SOA, the NGPR architecture provides subscriber data convergence and simplified data access. Therefore, several specialised and generic network domains can be directly supported by the network-independent layer of the NGPR. Especially administrative systems and network nodes of closed domains are supposed to take advantage of the interoperability concept and the converged data of the NGPR.
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Murufu, Mufudzi Anesu Chapman. "Development of an M-commerce security framework." Thesis, University of Fort Hare, 2014. http://hdl.handle.net/10353/833.

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Research shows how M-Commerce has managed to find its way to previously inaccessible parts of the world as a major Information and Communication Technologies (ICT) tool for development due to widespread introduction of mobile phones in remote areas. M-Commerce has offered valuable advantages: anytime, anywhere, more personal, more location-aware, more context-aware, more age aware, always online and instant connectivity. But this is not without its problems, of which security is high on the list. The security issues span the whole M-Commerce spectrum, from the top to the bottom layer of the OSI network protocol stack, from machines to humans. This research proposes a threat-mitigation modular framework to help address the security issues lurking in M-Commerce systems being used by marginalised rural community members. The research commences with a literature survey carried out to establish security aspects related to M-Commerce and to determine requirements for a security framework. The framework classifies M-Commerce security threat-vulnerability-risks into four levels: human behaviour and mobile device interaction security, mobile device security, M-Commerce access channel security, wireless network access security. This is followed by a review of the supporting structures or related frameworks that the proposed framework could leverage to address security issues on M-Commerce systems as ICT4D initiatives. The proposed security framework based on the requirements discovered is then presented. As a proof-of-concept, a case study was undertaken at the Siyakhula Living Lab at Dwesa in the Eastern Cape province of South Africa in order to validate the components of the proposed framework. Following the application of the framework in a case study, it can be argued that the proposed security framework allows for secure transacting by marginalised users using M-Commerce initiatives. The security framework is therefore useful in addressing the identified security requirements of M-Commerce in ICT4D contexts.
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Sarrocco, Claudia. "Legal aspects of the mobile satellite telecommunications services." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=31173.

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Thanks to the use of satellite technology, mobile personal telecommunications systems are able to provide communications simultaneously anywhere on the Earth's surface. The implementation of such systems raises several regulatory issues: after a brief explanation of the technical characteristics of different satellite systems in the first chapter, the second chapter will introduce the principles of space law relevant to satellite communications, with particular attention to the provisions which the development of global satellite telecommunication system could infringe. In the third chapter, there will be place for further analysis of international regulations established in the framework of the International Telecommunication Union and the World Trade Organisation, dealing more specifically with satellite telecommunications. The discipline established by the former organisation aims to the optimal management of the orbit and spectrum resources, particularly controversial because of the divergence of interests and exigencies of the member countries, whereas the latter intervened in the liberalisation of the telecommunication services, with the purpose to create an open environment for their diffusion. Furthermore, telecommunication activities are subjected to national regulation. The domestic discipline pertaining to global mobile satellite telecommunication services will be analysed in the fourth chapter, with particular attention to the U.S. Federal Communication Commission regulations and to the developments of Italian legislation in the light of the recent European initiatives in the field. National authorisation requirement conditions, in spite of the international effort toward regulatory harmonisation and liberalisation, are the key elements in the deployment of global mobile telecommunications services. National authorities should not continue to function solely on the basis of their national considerations, but be more flexible and open to cooperation, a
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Umuhoza, Denise. "Metric of trust for mobile ad hoc networks using source routing algorithms." Thesis, University of the Western Cape, 2006. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_8946_1183465240.

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<p>This thesis proposed and presented technical details of new probabilistic metrics of trust in the links wireless ad hoc networks for unobservable communications. In covert communication networks, only the end nodes are aware of the communication characteristics of the overall path. The most widely used protocols of ad hoc networks was overviewed. The routing protocols of ad hoc networks with trust considerations and select Destination Sequence Routing, a protocol that can be used in distributed ad hoc network settings for path discovery, was also reviewed. It establishes a path through which all packets sent by a source must pass to the destination. The end nodes are responsible for examining the statistics of the received packets and deriving inferences on path feature variations which are used for computing new trust metrics. When a path is judged not trustworthy based on the metrics, the Destination Sequence Routing is informed to undertake a new trusted path discovery between the end points. The thesis added a new feature based on the quality of service parameters of the path to create trust in the links in recognition of attacks.</p>
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Pettersen, Magne. "Three-Dimensional Radio Channel Modeling for Mobile Communications Systems." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Information Technology, Mathematics and Electrical Engineering, 2001. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-89.

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<p>The work described in this report is within the area of three-dimensional (3D) radio channel modeling for mobile communications. The focus was towards rural areas, because radio coverage of rural areas is more costly when using higher frequencies, comparing UMTS to GSM. In addition seasonal and environmental variations are strongest here. The model used was a 3D <i>radar mode</i>l, comprised of a 2D vertical Tx-Rx-plane component and a 3D components to include off-axis scattering. The latter components are estimated using bistatic radar techniques. The model is able to provide an accurate estimation of the path loss (signal level), and is also able to estimate time dispersion and angular dispersion, taking into account off-axis contributions. Radio frequencies around 2 GHz were selected, as these are the most important frequency bands for 3. generation mobile systems, even though the envisaged approach supports radio planning for GSM 900 and WLAN systems.</p><p>A novel approach to the modeling of scattering from random rough surfaces for 3D channel modeling was developed. This amplitude/phase model is simple and accurate compared to conventional models. It makes no inherent assumption about the degree of roughness, making it suited to model all surfaces. The model outperforms the conventional models Plane surface, SPM, Kirchoff and Oren with respect to accuracy by 1.5 to 10 dB depending on the degree of roughness.</p><p>An experimental methodology to characterise random rough surfaces was developed. The work characterised natural surfaces such as asphalt, grass, agriculture, and forest, each of them having a different degree of roughness. Variations due to weather and seasonal changes were taken into account. Typical surface height variations estimated were 10 mm for asphalt, 25 mm for grass, 100 mm for ploughed field and 500 mm for forest. Snow reduced the apparent roughness of ploughed field by 50 %, water on grass increased the reflection coefficient by 50 %.</p><p>An analysis of the implications of the results on 3D channel modeling was performed using a demonstration model. The analysis included a comparison between 2D and 3D model prediction for different area types and land use classes. Also the prediction sensitivity to seasonal and weather variations and model parameter variations were inspected. A 3D model is necessary when the 2D component is attenuated more than typically 15 dB relative to free space, depending on area and land usage. In the network planning example Lillehammer (N) this attenuation of at least 15 dB existed in 40 % of all locations. Weather and seasonal variations may change the mean predicted value by up to 4-5 dB.</p>
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Mochizuki, Yujiro 1973. "Management of telecommunication systems design and development : learning from disruptive innovations in 3G mobile systems." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/17809.

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Thesis (S.M.M.O.T.)--Massachusetts Institute of Technology, Sloan School of Management, Management of Technology Program, 2004.<br>Includes bibliographical references (leaves 109-112).<br>Disruptive innovations in network systems are forcing mobile carriers to manage difficult network software development. Within the limited development time, mobile carriers are required to develop large scale, high quality and robust network software, and accomplish smooth transition/upgrading. In the drastic transition of the network architecture, network carriers often fail to develop platform network software. Compared with KDDI, NTT DoCoMo (DoCoMo) has been coping with network migration problems. The critical difference in both mobile carriers is whether the platform-based approach was applied sufficiently in the network software development. DoCoMo's insufficient platform-based approach led to migration difficulties. On the other hand, the consistent platform-based approach allowed KDDI to enjoy successful migration. In order to identify the critical factors in network software development related to this problem, this thesis (1) explores the characteristics of network innovations and (2) analyzes the platform innovations in mobile network software. The ultimate goal of this thesis is to (3) suggest how incumbent mobile carriers can avoid the potential threats and develop the platform network software in future disruptive network innovations. In the future, management of telecommunication systems design and development will face more challenging and more complicated migration because the network concepts and architecture will be completely different from those in the existing 3G networks. The lessons learned from the case studies DoCoMo and KDDI suggest ideas that mobile carriers can utilize to address tough situations.<br>(cont.) The platform-based approach definitely will help the migration strategies of mobile carriers and reduce the potential threats in current and future network systems.<br>by Yujiro Mochizuki.<br>S.M.M.O.T.
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Shih, Alexander (Alexander En-Tzu). "The contribution of mobile telecommunication technology to sustainable development in selected countries in Africa." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/70869.

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Thesis (S.M. in Engineering and Management, and, in Technology and Policy)--Massachusetts Institute of Technology, Engineering Systems Division, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 143-150).<br>While most of the world's population resides in countries that are wealthy or developing, the rest reside in low-income and least developed countries (LDCs), left behind and growing more disconnected. At the same time, mobile phones are widely adopted in these underdeveloped areas and demonstrate potential for economic development. However, technological innovation and policies have often addressed narrow dimensions of poverty and development. Sustainable development, on the other hand, assesses the welfare of a country in its entirety. This then begs the question of how mobile telephony technology, given its pervasiveness, can be beneficial on a systemic and sustainable level. This document presents evidence that mobile phones can contribute to sustainable development in several ways. The focus is on selected countries in the sub-Saharan Africa region: Kenya, Tanzania, Uganda, and Nigeria, each of which is categorized as a LDC. The Sustainable Development framework is used to analyze data from case studies and existing technology, institutional and policy trends in the mobile telecommunication industry. The evidence from literature demonstrates that mobile initiatives focused on niche areas, such as banking and health, have benefited on the community level and improved operations within firms. Mobile industry policies have created a healthy system of innovation in these countries. However, environmental development has been secondary or even ignored. Thus, the recommendations focus on prioritizing sustainability, specific policies continuing diffusion and adoption, technology transfer mechanisms, increased robustness in data-tracking and countering external economic shocks. The data presented is not meant to be comprehensive nor complete. Consequently, suggested future work addresses short-term, mid-term, and long-term strategies. Specific areas include examining causal linkages for mobile phone adoption, designing technology initiatives around sustainability goals, and drivers that facilitate technology transfer. Mobile telecommunication technology offers real opportunities for development and growth in Africa. If the focus of development shifts from mere economic growth to sustainable development, countries can not only transform their economic fortunes but also enhance the quality of their environment.<br>by Alexander Shih.<br>S.M.in Engineering and Management, and, in Technology and Policy
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Books on the topic "Mobile telecommunication systems"

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Stavroulakis, Peter, ed. Third Generation Mobile Telecommunication Systems. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56919-7.

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Salmelin, Juha, and Esa Markus Metsala. Mobile backhaul. Wiley, 2012.

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Duuren, J. van. Fixed and mobile telecommunications: Networks, systems and services. 2nd ed. Addison-Wesley, 1996.

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Fixed/mobile convergence and beyond: Unbounded mobile communications. Newnes, 2009.

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Inside mobile business strategies. Addison-Wesley, 2002.

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Sheriff, Ray E. Mobile satellite communications networks. Wiley, 2001.

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Stüber, Gordon L. Principles of mobile communication. 3rd ed. Springer, 2011.

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Hiromitsu, Wakana, and Kawase Seiichirō 1950-, eds. Mobile satellite communications. Artech House, 1998.

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Logsdon, Tom. Mobile communication satellites. McGraw-Hill, 1995.

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Mobile communication satellites. McGraw-Hill, 1995.

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Book chapters on the topic "Mobile telecommunication systems"

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Virtej, Iuliana, Heikki Koivo, Jyrki Joutsensalo, Tapani Ristaniemi, and Aleksandar M. Gogic. "Prototypes Of 3G Systems." In Third Generation Mobile Telecommunication Systems. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56919-7_9.

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Efstathiou, Dimitrios, Mahboubeh Lohi, Dilshan Weerakoon, and A. H. Aghvami. "System Architecture." In Third Generation Mobile Telecommunication Systems. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56919-7_6.

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Pallis, E., M. C. B. Smith, A. A. Alexandridis, et al. "Services." In Third Generation Mobile Telecommunication Systems. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56919-7_10.

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Ucan, Osman N., Hakan A. Cirpan, John Dunlop, et al. "Coding." In Third Generation Mobile Telecommunication Systems. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56919-7_2.

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Walker, H. R., J. C. Pliatsikas, C. S. Koukourlis, J. N. Sahalos, Christos V. Verikoukis, and Juan J. Olmos. "Modulation." In Third Generation Mobile Telecommunication Systems. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56919-7_3.

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Papathanassiou, A., J. J. Blanz, M. Weckerle, et al. "Antennas & Propagation." In Third Generation Mobile Telecommunication Systems. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56919-7_4.

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Layer, Frank, Torsten Englert, Ralf Kattenbach, et al. "Channel Characterization & Modelling." In Third Generation Mobile Telecommunication Systems. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56919-7_5.

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Burrell, Anthony T., Titsa P. Papantoni-Kazakos, A. Lombardo, S. Palazzo, and G. Schembra. "Traffic Characterization & Management." In Third Generation Mobile Telecommunication Systems. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56919-7_7.

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Babich, F., G. Taricco, F. Vatta, Diakoumis Gerakoulis, Wai Chung Chan, and Evaggelos Geraniotis. "Capacity." In Third Generation Mobile Telecommunication Systems. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56919-7_8.

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Stavroulakis, Peter. "Introduction." In Third Generation Mobile Telecommunication Systems. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56919-7_1.

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Conference papers on the topic "Mobile telecommunication systems"

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Aguado, Marina, Oscar Onandi, Eduardo Jacob, Christian Pinedo, Purificacion Saiz, and Marivi Higuero. "WiMAX Role on CBTC Systems." In ASME/IEEE 2007 Joint Rail Conference and Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/jrc/ice2007-40103.

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The recent progresses in mobile telecommunications technologies have allowed railway telecommunications technology to go a step forward, and, in the same way, the railway control systems. In this sense, while the mobile telecommunications technology evolved from the first generation of analogue mobile communication systems to what is known today as B3G (Beyond 3G), the same occurred with the telecommunication systems used in railways, from those based on analogue telecommunications, to the most recent ones based on 2G such as GSM-R or TETRA. Till recently, there was a technological gap regarding high mobility environments, high transmission rate and high interactivity (low latency). However, new emerging telecommunications technologies have shortened this gap significantly. This way, the train control systems will be affected by the availability of telecommunications technologies capable of offering earth-train broadband communications in real time. This article presents a telecommunications network architecture based on WiMAX (Worldwide Interoperability for Microwave Access) mobile technology (IEEE 802.16e) that fulfils the telecommunications needs in the railway environment. The WiMAX mobile technology most relevant features are: transmission rates up to 30Mbps at 15 km distance; mobility support up to 200km/h; QoS, security, low latency, fast, scalable and cost effective deployment, mainly compared to GSM-R deployment. In the mobile node design of this network telecommunications architecture, the multipath fading effect, and the Doppler effect, present in high speed mobility scenarios, have been taken into account. An improvement in the handoff between BSs, through a neighbouring and predictive mobility algorithm, is included. The architecture proposed supports the functional and system requirements identified in the UIC Project EIRENE (European Integrated Railway Radio Enhanced Network), and demanded to GSM-R technology. Measures on a real testbed and a model developed with the discrete event simulation tool, Opnet, have been employed in this work.
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Serkov, Aleksandr, Karyna Trubchaninova, Igor Yakovenko, and Volodymyr Kniaziev. "Electromagnetic Compatibility of Mobile Telecommunication Systems." In 2020 IEEE Ukrainian Microwave Week (UkrMW). IEEE, 2020. http://dx.doi.org/10.1109/ukrmw49653.2020.9252821.

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Mou, Jun, Huazhu Song, and Hasitha Indika Arumawadu. "The Extendable Mobile Telecommunication Customer Loyalty Modeling." In 2018 5th International Conference on Systems and Informatics (ICSAI). IEEE, 2018. http://dx.doi.org/10.1109/icsai.2018.8599442.

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Songbai, He, Wang Bin, You Fei, Yan Xiaohuan, and Bao Jingfu. "The Repeater for WCDMA Cellular Mobile Telecommunication Systems." In 2006 International Conference on Communications, Circuits and Systems. IEEE, 2006. http://dx.doi.org/10.1109/icccas.2006.285185.

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Aivazyan, Martin, Hayk Avetisyan, Levon Grigoryan, and Arshak Babayan. "Waveform modulation for the 5G mobile telecommunication systems." In 2016 IEEE East-West Design & Test Symposium (EWDTS). IEEE, 2016. http://dx.doi.org/10.1109/ewdts.2016.7807714.

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Globa, L. S., and V. V. Kurdecha. "Software updating of the mobile SDR-systems." In Telecommunication Technology" (CriMiCo 2008). IEEE, 2008. http://dx.doi.org/10.1109/crmico.2008.4676419.

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Christiane, Poelzl. "Mobile telecommunication: Current knowledge on risk perception and risk communication: Results gained within the German Mobile Telecommunication Research Programme." In 2011 8th International Symposium on Wireless Communication Systems (ISWCS 2011). IEEE, 2011. http://dx.doi.org/10.1109/iswcs.2011.6125291.

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Samano-Robles, Ramiro, and Atilio Gameiro. "Integration of RFID readers into wireless mobile telecommunication networks." In Electronic Systems Technology (Wireless VITAE). IEEE, 2009. http://dx.doi.org/10.1109/wirelessvitae.2009.5172468.

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Pfeifer, Gert, and Christof Fetzer. "Timed Asynchronous System Models for Dependable Mobile Systems." In 2007 17th International Crimean Conference - Microwave & Telecommunication Technology. IEEE, 2007. http://dx.doi.org/10.1109/crmico.2007.4368735.

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Kissling, C. "Data link selection in mobile aeronautical telecommunication networks." In 27th IET and AIAA International Communications Satellite Systems Conference (ICSSC 2009). IET, 2009. http://dx.doi.org/10.1049/cp.2009.1221.

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