移动通信设备的基础服务应用技术.docx

移动通信设备的基础服务应用技术.docx

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移动通信设备的基础服务应用技术

Students’thoughtsabouttheimportanceandcostsoftheirmobiledevices’featuresandservices 

TelematicsandInformatics

Inrecentyears,handhelddeviceshavebecomeoneofthefastestgrowingcommunicationgadgets.Mobiletechnologyisbecomingwidespreadandresearchinthisareaisurgentlyneeded.Usingasurveyinstrument,thethoughtsofmaleandfemalestudentsregardingtheimportanceandcostsofmobiledeviceswereinvestigated.Itwasfoundthatstudentstendtoconsiderthefollowingfeaturesimportant:

batterylife,mp3player,videocamera,photocamera,storagememory,Bluetooth,designandelegance,clock,calendar,organizerandreminder.Also,theyareeagertospendanamountofmoneysoastheirmobiledevicetosupportthem.Onaverage,bothgenderswouldpayextramoneyforsuchfeatures.However,themajorityoffemalesthinklessofthepricethanmalesdo.Onthecontrary,mostoftherespondentsdonotconsiderthefollowingimportant:

touchscreen,voicecommands,chat,teleconference,encryptionandcryptography,commonuseoffiles,printing.Therefore,theywouldnotspendanymoneyforthesefeatures.Interesteddecisionmakerswouldtrytoincreasetheirinterestonsuchfeatures.Moreover,allrespondentsappeartoownamobilephonewhilemostofthemdonothaveInternetconnectionathome.Ingeneral,somegenderdifferencesarefoundintheimportanceandcostsofthemobiledevices,buttheyarenotstatisticallysignificant.

ArticleOutline

1.Introduction

2.Methodology

3.Resultsanddiscussion

3.1.Generalprofile

3.2.Importanceandwillingnesstopayfortechnicalcharacteristics

3.2.1.Weightanddimensions

3.2.2.Widescreen,storingmemory,easystructureandorganizationofmenu,easytousemenu,icons,etc.

3.2.3.Easyuseoftoolsandapplications,organizationofpersonalfiles,photos,SMS,etc.

3.2.4.Mp3player

3.2.5.Photoandvideocamera

3.2.6.IrDA

3.2.7.Resilienceinwater,drops,etc.

3.2.8.Designandelegance

3.2.9.Soundrecording

3.2.10.3G（thirdgeneration）

3.2.11.Batterylife

3.2.12.Processingspeed

3.2.13.Hands-freeorBluetoothearphone,Bluetoothtechnology

3.2.14.Wi-Fi,GPS,searchengine,touchscreen,voicecommands,easyinterface

3.3.Importanceandwillingnesstopayforapplications

3.3.1.Sendingandreceivingemail,sendingandreceivingMMS

3.3.2.Chat,teleconference,Internetnavigation

3.3.3.Supportofopensoftwareandvarietyoffiles’types

3.3.4.Encryptionandcryptographyforexchangingdata,commonuseoffiles,anti-virusandanti-spamprotection,conversionvoice-to-text,languagetranslation

3.3.5.Calculator,clock,calendar,organizer,reminder

3.3.6.Playinggames

3.3.7.TVwatching,printing,viewingmaps,lockingthekeyboardorthetouchscreen,lockingwithpassword

4.Managerialimplications

4.1.Designanddevelopment

4.2.Advertising,marketingandpromotion

4.3.Trainingandusage

4.4.Pricing

4.5.Applicationsandservices

5.Conclusionsandfutureresearch

AppendixA.Appendix

A.1.Genderdifferencesfoundinpreviousstudies

References

Amobilenetworkoperator-independentmobilesignatureservice 

JournalofNetworkandComputerApplications

Electronicsignature（e-signature）isanimportantelementinelectroniccommerceandgovernmentapplicationsbecauseitguaranteesnon-repudiationoftransactions.E-signaturesgeneratedinasecuresignaturecreationdevicecanbeconsideredlegallyequivalenttoahandwrittensignature.MobiledevicesbasedonSIM/USIMcards,whicharebroadlyextended,aretheidealdevicestocreatethesee-signatures（namedmobilesignaturesorm-signatures）.Furthermore,thankstom-signaturesthedevelopmentofm-signature-basedapplicationsbecomessimplerformobileapplication/serviceproviders.Thereareseveralsolutionstocreatem-signatures.However,currentsolutionspresentsomeproblems:

eithertheyrequirethatthesolutionisdevelopedbyeverymobilenetworkoperatororthecomponentstoimplementitinthemobilehandsetaretoocomplex.Asasolutiontotheseproblemswepresentanm-signatureservicethatisnotlinkedtoamobilenetworkoperatorandwheretheclienthasmorecontroloverthesignaturestoperformtheminaneasierway.Thispaperpresentsthedescriptionandanalysisofthisnewm-signatureserviceaswellastheprototypethatisbeingtestedintheUniversityofMurcia.

ArticleOutline

1.Introduction

2.Relatedwork

2.1.Server-basedsolutions

2.2.Mobilesignatureservice

2.3.Mobilesignatureapplicationunit

3.Mobilenetworkoperator-independentmobilesignatureservice

3.1.Overviewofthesystemanditsprocesses

3.2.Rolesandresponsibilities

3.2.1.Mobilenetworkoperators

3.2.2.MNO-independentmobilesignatureserviceprovider

3.2.3.Certificationserviceprovider

3.2.4.Mobileservice/applicationprovider

3.2.5.Mobileuser

3.3.F