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Дисертації з теми "Cellular telephones"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 25 липня 2025

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1

Ho, Ming-Ju. "System deployment and capacity enhancing techniques for mobile radio." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/14816.

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2

Kchao, Camroeum. "Direct sequence spread spectrum cellular radio." Diss., Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/13719.

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3

Landron, Orlando. "Microwave multipath resolution in microcellular channels." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-03032009-040639/.

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4

Caffery, James Joseph Jr. "Wireless location in CDMA cellular radio systems." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/15504.

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5

Van, Wyk Daniel Jacobus. "Four-dimensional Q2PSK modulation and coding for mobile digital communication." Pretoria : [s.n.], 2000. http://upetd.up.ac.za/thesis/available/etd-10272005-122450.

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6

Wang, Li-Chun. "Channel modeling and architecture for cellular-based personal communications." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/13716.

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7

Parameswaran, Subramanian T. "Software for site specific propagation prediction." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06232009-063433/.

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8

Tannenbaum, Robert (Robert Peter) Carleton University Dissertation Management Studies. "Cellular telephones; a comparative analysis of their adoption and impacts." Ottawa, 1991.

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9

Berriman, Paul. "The marketing of cellular mobile radio telephones in Hong Kong." Thesis, [Hong Kong : University of Hong Kong], 1985. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12316933.

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10

Wu, Jianjun. "Adaptive equalisation techniques for future mobile communications." Thesis, King's College London (University of London), 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.338815.

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11

Joung, Jinsoup. "Cochannel interference canceling receivers for TDMA systems." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/21806.

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12

Wu, Sun John. "Mobile phone handset strategies of market leaders in Hong Kong /." Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B20604555.

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13

Phongphanphanee, Chai. "Multilayer mobile communication systems." Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324001.

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14

Sivanesan, Kathiravetpillai. "A study of performance for M-ary DS/CDMA cellular mobile radio systems." Click to view the E-thesis via HKUTO, 1999. http://sunzi.lib.hku.hk/hkuto/record/B42575333.

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15

Ghaziasgar, Mehrdad. "The use of mobile phones as service-delivery devices in sign language machine translation system." Thesis, University of the Western Cape, 2010. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_7216_1299134611.

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<p>This thesis investigates the use of mobile phones as service-delivery devices in a sign language machine translation system. Four sign language visualization methods were evaluated on mobile phones. Three of the methods were synthetic sign language visualization methods. Three factors were considered: the intelligibility of sign language, as rendered by the method<br>the power consumption<br>and the bandwidth usage associated with each method. The average intelligibility rate was 65%, with some methods achieving intelligibility rates of up to 92%. The average le size was 162 KB and, on aver

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16

Fung, Victor. "Bit error simulation of FSK, BPSK, and pi/4 DQPSK in flat and frequency-selective fading mobile radio channels using two-ray and measurement- based impulse response models." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-08142009-040410/.

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17

Alhinai, Yousuf Salim. "The adoption of advanced mobile commerce services by individuals : investigating the impact of the interaction between the consumer and the mobile service provider /." Connect to thesis, 2009. http://repository.unimelb.edu.au/10187/6748.

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18

Ecker, Katelyn D. "Mobile phones as a social medium for the deaf : a uses and gratifications study /." Online version of thesis, 2008. http://hdl.handle.net/1850/7098.

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19

Striglis, Stavros. "A multistage RAKE receiver for CDMA systems." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/42211.

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Анотація:

This thesis proposes a multistage RAKE receiver for use at the base station of a Code Division Multiple Access (CDMA) cellular communications system. This receiver combines the interference rejection capability of multiuser receivers with the robust performance of a RAKE receiver in the presence of multipath interference. Unlike previous multiuser receiver designs, this multistage RAKE receiver requires no a priori information about the time-vary multipath radio channel. The thesis presents a mathematical description of the multistage receiver, and a software simulation of the receiver perfo

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20

Botha, Adele. "The use of mobile phones to mediate a design experiment in a secondary school." Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-02082007-002731/.

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21

Hamblin, Denise Lee. "The effect of mobile phone emitted electromagnetic fields on human brain activity and performance." Australasian Digital Thesis Program, 2006. http://adt.lib.swin.edu.au/public/adt-VSWT20061110.100936.

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Анотація:

Thesis (PhD) - Swinburne University of Technology.<br>Thesis for Doctor of Philosophy, Brain Sciences Institute, Faculty of Life and Social Sciences, Swinburne University of Technology - 2002. Typescript. Includes bibliographical references (p. 137-160).

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22

Gong, Jun. "Improved text entry for mobile devices alternate keypad designs and novel predictive disambiguation methods : a dissertation /." View dissertation online, 2007. http://hdl.handle.net/2047/d10016090.

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23

Mooney, Aaron Michael. "Usability Evaluation of Notebook Computers and Cellular Telephones Among Users with Visual and Upper Extremity Disabilities." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/33962.

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Анотація:

Information appliances such as notebook computers and cellular telephones are becoming integral to the lives of many. These devices facilitate a variety of communication tasks, and are used for employment, education, and entertainment. Those with disabilities, however, have limited access to these devices, due in part to product designs that do not consider their special needs. A usability evaluation can help identify the needs and difficulties those with disabilities have when using a product and universal design principles can then be applied to enhance accessibility and usability. This

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24

Tran, Thuy Thomas. "Propagation prediction for PCS design in urban microwave channels." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-03042009-040358/.

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25

Pendyala, Chandra Mohan. "On the optimal location of transmitters for micro-cellular radio communication system design." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-07112009-040406/.

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26

Bais, Viraj Kumar. "Simulation of multistage detector for spread-spectrum applications." Master's thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-12232009-020220/.

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27

Brown, Rowena. "Mobile phone communication in romantic relationships : the role of individual differences and relational uncertainty on text message communication outcomes /." [St. Lucia, Qld.], 2006. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19746.pdf.

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28

Schwenke, Freddie. "Access channels for mobile banking applications : a comparative study based on characteristics." Thesis, Cape Peninsula University of Technology, 2009. http://hdl.handle.net/20.500.11838/1383.

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Анотація:

Thesis (MTech (Information Technology))--Cape Peninsula University of Technology, 2009<br>The objective of this research project was to provide an answer to the question: 'Which access channel is the most appropriate for mobile applications?' This question is posed by providers of mobile banking services and providers of mobile banking applications alike.

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29

Li, Yingjie. "Bit error rate simulation of a CDMA system for personal communications." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-07282008-135717/.

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30

Lichtenstein, Joseph. "Low computational complexity bit error rate simulation for personal communications systems in multipath and fading environments." Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06102009-063138/.

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31

Broege, Stephanie, and n/a. "Mobile New Zealand : a multi-method comparative study of cell phone use." University of Otago. Department of Media, Film and Communication Studies, 2008. http://adt.otago.ac.nz./public/adt-NZDU20080819.150246.

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Анотація:

Worldwide use of mobile phones has created a new basis for interpersonal communication and has become a ubiquitous feature of youth culture. Hence the examination of global mobile phone adoption is a global challenge for communication researchers as well as for the media industries. Thus far, New Media research in New Zealand (NZ) has focused on children and teenagers. The group of young adults between 18-25 years has rarely been surveyed. This thesis focused on university students� use of mobile communication in NZ in the context of their everyday practices. The Mobile Media Study (MMS) was d

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32

Kong, Wei Chao. ""It is mine, it is me!" : the use of mobile phones of young people in Macau and Guangzhou." Thesis, University of Macau, 2007. http://umaclib3.umac.mo/record=b1874201.

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33

Goetz, Marieta. "Mobile business models in African rural communities." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/2581.

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Thesis (MPhil (Information Science))--University of Stellenbosch, 2009.<br>Mobile telephone subscription in developing countries has increased by more than 500 percent since 2005, with Africa experiencing the highest growth rate globally. Amongst Africa’s 306.5 million subscribers, recorded in 2008, an unexpectedly high adoption rate of the technology by poor, often illiterate rural communities is observed. Mobile telephony generally provides African rural users access to electronic communication for the first time. Providing access to communication, information and knowledge, mobile phon

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34

Duma, Lindokuhle Sifso. "An authoring tool for generalised scenario creation for SignSupport." University of the Western Cape, 2016. http://hdl.handle.net/11394/6224.

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Анотація:

Magister Scientiae - MSc (Computer Science)<br>This thesis describes the development cycles of an authoring tool that generalises scenario creation for SignSupport. SignSupport is a mobile communication tool for Deaf people that currently runs on an Android smartphone. The authoring tool is computer-based software that helps a domain expert, with little or no programming skills, design and populate a limited domain conversation scenario between a Deaf person and a hearing person, e.g., when a Deaf patient collects medication at a hospital pharmacy or when a Deaf learner is taking a computer li

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35

Liu, Danyi. "Mobile phone based remote monitoring system." Click here to access this resource online, 2008. http://hdl.handle.net/10292/526.

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This thesis investigates embedded databases and graphical interfaces for the MicroBaseJ project. The project aim is the development of an integrated database and GUI user interface for a typical 3G, or 2.5G, mobile phone with Java MIDP2 capability. This includes methods for data acquisition, mobile data and information communication, data management, and remote user interface. Support of phone delivered informatics will require integrated server and networking infrastructure research and development to support effective and timely delivery of data for incorporation in mobile device-based infor

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36

Freudenberg, Kristy. "Investigating the impact of SMS speak on the written work of English first language and English second language high school learners." Thesis, Stellenbosch : Stellenbosch University, 2009. http://hdl.handle.net/10019.1/2052.

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Thesis (MPhil (General Linguistics))--Stellenbosch University, 2009.<br>This study examined the impact of SMS speak on the written school work of English first language (L1) and English second language (L2) high school learners. The general aims of the study were to establish how widespread the use of SMS language is among high school learners, and to assess whether there is any evidence of the use of features of SMS speak in the English written work of these learners. Eighty-eight learners from an English-Afrikaans dual medium school in a middle class neighborhood in the Western Cape pa

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37

Cuba-Alvarado, Ciara-Paola. "Uso de los celulares con internet y rendimiento académico de estudiantes universitarios." Bachelor's thesis, Universidad de Lima, 2016. http://repositorio.ulima.edu.pe/handle/ulima/4761.

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El presente estudio tiene como objetivos: conocer las consecuencias del uso del Smartphone en el rendimiento académico de los estudiantes, identificar las razones que generan la necesidad de utilizar constantemente el celular, describir la influencia del Smartphone en su rendimiento académico y finalmente, identificar si el uso del Smartphone es percibido como beneficioso o perjudicial por los estudiantes en el rendimiento académico.<br>Tesis

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38

Oelofse, Christina Hermiena. "The learner profile of a teenage cell phone user." Diss., Pretoria : [s.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-07102009-160407.

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39

Vaca-Morales, Dario-Pablo. "Instalación del servicio de telefonía móvil para la conectividad y desarrollo social en las localidades de Apurímac, Ayacucho y Huancavelica." Bachelor's thesis, Universidad de Lima, 2016. http://repositorio.ulima.edu.pe/handle/ulima/3201.

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Анотація:

En el documento "Instalación del servicio de telefonía móvil para la conectividad y desarrollo social en las localidades de Apurímac, Ayacucho y Huancavelica", se puede observar que el trabajo realizado ha podido cuantificar los efectos relacionados a esta tecnología en los beneficios sociales de la población (ahorro en costo de transportes y ahorro en tiempo) y el nivel de inversión requerido para implementarlo, por parte de los operadores privados a través del mecanismo de subvención de la inversión. Esto demuestra, como la introducción de la telefonía móvil juega un rol relevante en la re

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40

Lu, Yun Ran. "Position mobile phone market." Thesis, University of Macau, 2000. http://umaclib3.umac.mo/record=b1636664.

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41

Van, Heerden Johan H. "Detecting fraud in cellular telephone networks." Thesis, Stellenbosch : Stellenbosch University, 2005. http://hdl.handle.net/10019.1/50314.

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Thesis (MSc)--University of Stellenbosch, 2005.<br>ENGLISH ABSTRACT: Cellular network operators globally loose between 3% and 5% of their annual revenue to telecommunications fraud. Hence it is of great importance that fraud management systems are implemented to detect, alarm, and shut down fraud within minutes, minimising revenue loss. Modern proprietary fraud management systems employ (i) classification methods, most often artificial neural networks learning from classified call data records to classify new call data records as fraudulent or legitimate, (ii) statistical methods building

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42

Blood, Alan Physics Faculty of Science UNSW. "Biological effects of GSM mobile phone microwave radiation: an investigation of gene expression." Awarded by:University of New South Wales. School of Physics, 2005. http://handle.unsw.edu.au/1959.4/22071.

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There is evidence that athermal radiofrequency radiation can alter Heat Shock Protein (HSP) expression or protein phosphorylation, or alter MAP kinase signalling. Effects of long-term exposure in brain tissue due to repeated HSP perturbation (eg an inhibition of apoptosis) have been hypothesised (French et al, 2001). This study aimed to investigate the RNA expression profile (12,000 genes) and HSP family protein expression levels after either acute 1-hour or chronic 4-day intermittent exposures to simulated GSM radiation in a human primary fibroblast model. The results found minimal or no effe

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43

Soroa-Koury, Sandra. "Consumers' responses to mobile advertising a normative social behavior perspective /." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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44

Hancox, Graham. "Factors affecting drivers willingness to engage with a mobile phone while driving." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/14754.

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This thesis investigates drivers willingness to engage with a mobile phone while driving. Many studies have looked into the effects on driving performance that can result from phone usage, but few studies have directly considered what can encourage or inhibit phone engagement behaviours in the first place. An initial exploratory study (Study 1) was conducted, for which a photo elicitation interview (N=20) was designed and implemented. This aimed to find the extent to which factors influencing phone use transferred from out of the car to the driving environment. In particular, the study aimed t

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45

Passetti, Renata Regina 1981. "O efeito do telefone celular no sinal da fala : uma análise fonético-acústica com implicações para a verificação de locutor em português brasileiro." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/271133.

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Анотація:

Orientador: Plínio Almeida Barbosa<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Estudos da Linguagem<br>Made available in DSpace on 2018-08-27T03:40:06Z (GMT). No. of bitstreams: 1 Passetti_RenataRegina_M.pdf: 2198292 bytes, checksum: 75f3471d8eeffbfb0346d7705e4ea136 (MD5) Previous issue date: 2015<br>Resumo: Esta dissertação avalia os efeitos causados ao sinal da fala pela transmissão telefônica de linhas móveis e, com isso, busca determinar o grau de modificação fonético-acústica intralocutor causado pelo filtro de banda do canal telefônico à voz habitual e o

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46

Geary, Wendy. ""No matter where you go, there you are" but how do we find you? location determination technologies for cellular enhanced 9-1-1 service /." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=982.

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Анотація:

Thesis (M.A.)--West Virginia University, 1999.<br>Title from document title page. Document formatted into pages; contains vii, 85 p. : ill. (some col.) Vita. Includes abstract. Includes bibliographical references (p. 74-81).

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47

Lin, Hai Yun. "The magic wand : mobile phone use and Fujian entrepreneurs in China." Thesis, University of Macau, 2008. http://umaclib3.umac.mo/record=b1874128.

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48

Chio, Nga I. "The uses and perceptions of mobile phone in Macau." Thesis, University of Macau, 2009. http://umaclib3.umac.mo/record=b2162007.

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49

Li, Hong Ye. "Challenging the mainstream : youth identity and the popularity of Shanzhai mobile phones in China." Thesis, University of Macau, 2009. http://umaclib3.umac.mo/record=b2120009.

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50

Ouersoontornwatana, Ajana. "Nokia's marketing stategies of mobile phones in Thailand and Hong Kong." CSUSB ScholarWorks, 2002. https://scholarworks.lib.csusb.edu/etd-project/2208.

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Анотація:

In recent years, the mobile phone has been used as a tool to conduct business in many areas. The insufficient number of fixed wireless services has created an opportunity for the entry of mobile phone systems into the market to provide telecommunication sevice in Thailand and Hong Kong. Mobile phone use has been growing dramatically during the past ten years as a result of the high rate of economic growth.

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