global system for mobile communications ppt
iCare: A Mobile Health Monitoring System for the Elderly pptx
... personal health information system and the medical guidance. 1) Personal health information system: The personal health system can store physiological data and other information in the database ... Our system is also a mobile health system for the elderly with tailored services depending on their personal health condition. However, it is not only a remote and real-time monitoring system ... platform and medical knowledge database. Therefore, the main functions of our system are described below. ã A real-time mobile health monitoring system for the elderly to monitor the health condition...
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Multiple Access Protocols for Mobile Communications - GPRS, UMTS and Beyond
... which are discussed extensivelyin Chapter 4. For one 2G system called cdmaOne and most 3G systems, e.g. the Universal Mobile Telecommunications System (UMTS), DS/CDMA was chosen as a basic multiple ... Communication Systems 252.2.1 Analogue First Generation Cellular Systems 252.2.2 Digital Second Generation Systems 252.3 First 3G Systems 272.3.1 Requirements for 3G 272.3.2 Evolution of 2G Systems ... Models for the Physical Layer and for User Traffic Generation 2215.1 How to Account for the Physical Layer? 2215.1.1 What to Account For and How? 2215.1.2 Using Approximations for Error Performance...
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GSM Global System for Mobiles
... NetworkOMCAUCHLRMSCEIRVLRBSCBTSMSExternalPSTN &PDN N/WSSBSSSwitching System Base Station System MS Mobile StationBTSBase transceiver System BSCBase Station ControllerMSC Mobile Switching CenterHLR Home Location ... messagesã International Mobile Equipment Identifier (IMEI) 38GSM ArchitectureHLRVLREIRAUCMSCBSCBSCSMSCPSTNVMSC Mobile StationGSM Air interfaceOMCRTRAUBase Station System Network and ... Circuit Switched DataEDGE = Enhanced Data rate for GSM EvolutionUMTS = Universal Mobile Telecommunication System 10 sec 1 min 10 min 1 hour0UMTSE/GPRSISDNPSTNGSMwebe-mail photoweb photoe-mailweb...
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IP for 3G - Networking Technologies for Mobile Communications
... bibliographical references and index. ISBN 0-471-48697-3 1. Wireless Internet. 2. Global system for mobile communications. 3. TCP/IP (Computer network protocol) I. Eardley, Philip. II. Burness, ... paths for them are handled by the SGSN. 1.2.3 IP for 3G What is meant by IP for 3G? 3G systems will include IP multimedia allowing the user to browse the Internet, send e-mails, and so forth. ... being captured for malicious use and impersonation of users. One, final, level of security is performed on the mobile equipment itself, as opposed to the mobile subscriber (for example, putting...
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Tài liệu 68 Array Processing for Mobile Communications pdf
... Center for Telecom-munications and Information Systems Laboratory, Stanford University, Stanford, CA, June1994.[2] Second workshop on smart antennas in wireless mobile communications, Center for ... selection performance analysis of a switchedmulti-beamantenna systemin mobile communications environments, Stanford, CA,July 1995.Second workshop on Smart Antennas in Wireless Mobile Communications. [28] ... Telecom-munications and Information Systems Laboratory, Stanford University, Stanford, CA, July20-21, 1995.[3] Third workshop on smart antennas in wireless mobile communications, Center for Telecom-munications...
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Tài liệu Rf Mems Circuit Design For Wireless Communications pptx
... the home and the office, (2) the groundfixed /mobile platform, and (3) the space platform.4 RF MEMS Circuit Design for Wireless Communications InformationVoiceBroadband dataMessagingNavigationDBSInternetVideoWireless ... the information to be com-municated. Thus, the baseband section personalizes or defines the functionperformed by the wireless system (e.g., it makes it a telephone or a pager).Wireless SystemsA ... Standards for Wireless Local Loop Applications, IEEE Communications Maga-zine, May 2001, pp. 156162.[9] McGrath, F., et al., A 1.9 GHz GaAs Chip Set for the Personal Handyphone System, IEEE...
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Tài liệu MANCHESTER SYSTEM FOR GYNECOLOGICAL APPLICATIONS pptx
... Point ‘‘MM’’In 1993, for a specially In 1993, for a specially designed system (Madison designed system (Madison system for HDR brachytherapy system for HDR brachytherapy of uterine ... radium used. MANCHESTER SYSTEM FOR MANCHESTER SYSTEM FOR GYNECOLOGICAL APPLICATIONSGYNECOLOGICAL APPLICATIONSAnil Sharma, PhDAnil Sharma, PhD Manchester System Manchester System This concept ... therapy in Stockholm system, whereas Paris Stockholm system, whereas Paris system used external beam system used external beam therapy before the implanttherapy before the implant
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An Outline of Strategies for Building an Innovation System for Knowledge City pptx
... of Strategies for Building an Innovation System for Knowledge Cityselect set of international best practices for GDD. Finally, in task 3, we developed this outline of a strategy for GDD, incorporating ... companies obtain the benefits for which they qualify.Medium Easy Early 18 An Outline of Strategies for Building an Innovation System for Knowledge CityActions for GDDe role that government ... opportunities for them to meet.Networks will allow for more informal information sharing and will help generate ideas.Medium Medium MiddleTable S.2—Continued 12 An Outline of Strategies for Building...
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Sprite: A Simple, Cheat-Proof, Credit-Based System for Mobile Ad-Hoc Networks potx
... bandwidth and storage requirement.B. System performance vs. network resourceWe next evaluate the performance of our system. One majormetric of the performance of our system is the message successrate, ... Sprite, a simple, cheat-proof, credit-based system for stimulating cooperation among selfish nodes in mobile ad hoc networks. Our system provides incentive for mobile nodes to cooperate and report actions ... discussed in Sec-tion III, although our system provides incentive for cooperationby giving more credit for forwarding a message, whether ornot to forward a specific message will depend on the...
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NiagaraCQ: A Scalable Continuous Query System for Internet Databases ppt
... changing information. For example, users mightwant to issue continuous queries of the form:In order to handle a large number of users with diverse interests,a continuous query system must ... optimization efforts [CM86] [RC88] [Sel86]have focused on finding an optimal plan for a small number ofsimilar queries. This approach is not applicable to a continuousquery system for the following ... EXPERIMENTAL RESULTSWe expect that for a continuous query system over the Internet,incremental group optimization will provide substantialimprovement to system performance and scalability. In thefollowing...
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Lore: A Database Management System for Semistructured Data ppt
... PlanGeneratorPreprocessing(Lorel to OQL)ParsingHTML GUITextualInterfaceAPIApplicationsLore System Queries Select(OA3 = TRUE)Aggr(Exists, OA2, OA3)Select(OA2 = "CS" )Scan(OA1,"Dept",OA2)JoinScan(OA0,"Member",OA1)Scan(Root,"DBGroup",OA0)JoinJoinScan(OA0,"Member",OA1)Scan(Root,"DBGroup",OA0)JoinFrom...
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Báo cáo khoa học: "Joint Learning of a Dual SMT System for Paraphrase Generation" pptx
... Association for Computational Linguistics, pages 38–42,Jeju, Republic of Korea, 8-14 July 2012.c2012 Association for Computational LinguisticsJoint Learning of a Dual SMT System for Paraphrase ... data for thistask and apply two SMT systems (dual SMT system) to translate the original sentences into another pivotlanguage and then translate them back into the orig-inal language. For question ... employs two separately trainedSMT systems the parameters of which are tuned for SMT scheme and therefore cannot directly op-timize the paraphrase purposes, for example, opti-mize the diversity...
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Global demand for wood products pptx
... December 2007 embodies a global consensus on sustainable forest management and outlines future priorities in the form of four Global Objectives on Forests:ã reverse the loss of forest cover worldwide ... are interrelated; solutions for forest degradation and deforestation overlap with those for land degradation. The Global Mechanism uses national policy processes for coordination and reconciliation, ... 200990Withashifttothesourcingofwoodfromplantedforestsandtheexclusionoflargetractsofnaturalforestsfromwoodproduction,theselow-intensitymanagementsystemshavebeenabandonedinmanycountries.Thedevelopmentoftechnologiesthatmadeitpossibletoprocesswoodirrespectiveofitsnaturalqualitiesandsizehasalsocontributedtoshiftingattentionawayfromthesesystems.Researchinnaturalforestsnowfocusesmoreonintegratingenvironmental,socialandeconomicobjectivesaccordingtotheprinciplesofsustainableforestmanagement.Anumberofnational,regionalandinternationalinitiativesfocusonthedevelopmentofcriteriaandindicators for measuringprogresstowardssustainableforestmanagement,outliningthenatureoftechnologytobeadopted.Implementationofsustainableforestmanagementrequiressubstantialstrengtheningofthescienceandtechnologybase.Tothisend,muchresearchfocusesonecosystemstructureandfunctioning,thespatialandtemporallinkagesamongecosystemcomponentsandprocesses,andtheirrelationtotheimmediateandlargersocialandeconomiccontext.However,implementationofsuchresearchremainsachallenge(CIFOR,2004),especiallyindevelopingcountries.Technologiesthatincreasethespeedatwhichvastamountsofspatialandtemporaldatacanbeanalysedandsynthesizedarerevolutionizingforestmanagementinsomecountriesandareexpectedtospread.Improvementsintheresolutionofsatelliteimageryandthedevelopmentofsoftwaretointerpretitwillcontributetoreal-timemonitoringofdeforestation,pestsanddiseases,resandotherpotentiallydevastatingevents.Geographicinformationsystems(GISs)and global navigationsatellitesystemsprovideforestmanagerswithincreasinglypreciseinformationonthenatureandconditionofforestresources,whichcanbeprocessedandtransmittedrapidly(Box46).Thisinformationisalsovaluableasevidence for publicconsultation,vericationoflegalityandthird-partycertication.NewmodellingandvisualizationsoftwarelinkingGISsandremotesensingprovideshigh-qualitydigitalsimulationsoffutureforestlandscapestorevealchangesthatmightresultfromnaturalprocesses,suchasclimatealterations,orhumaninterventions,suchasplanting,thinningandharvesting.Suchsimulationsfacilitatecommunityengagementinforestmanagementdecision-making(SheppardandMeitner,2005).Anincreasinglyurgentareaofresearchrelatestotheadaptationofforeststoclimatechange. For example,geneticandenvironmentalvariationintreegrowthandhealthisbeingstudiedinordertopredictpotentialimpactsofclimatechangeonecosystemsandspeciesranges,topredictadaptiveresponsesoftreepopulationstoclimateandtoformulatenewstrategiestohelpforesttreesadapttothechangingclimate(Wanget...
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Báo cáo khoa học: "High Throughput Modularized NLP System for Clinical Text" pptx
... Association for Computational LinguisticsHigh Throughput Modularized NLP System for Clinical Text Serguei Pakhomov James Buntrock Patrick Duffy Mayo College of Medicine Division of Biomedical Infor-matics ... interface, and communications of components for natural language processing. The four main UIMA services include: acquisition, unstructured informa-tion analysis, structured information access, ... standardized no-menclatures and makes them available for subsequent information retrieval and data mining. The performance of the system was validated on a small collection of 351 documents partitioned...
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