2. •ë“œ›¨–´ 기ˆ 

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2. 하드웨어 기술. 2.3 모바일 인터넷 단말기. 2.3.1 모바일 단말기의 개요 (2) 모바일단말기의 발달 및 진화방향. 단말기. 단말기. 컬러. 컬러. 카메라폰. 카메라폰. ,. ,. 모바일. 모바일. Cdma1x. Cdma1x. VOD. VOD. 폰. 폰. ,. ,. 무선인터넷. 무선인터넷. 단말기. 단말기. TFT LCD. TFT LCD. 경량화. 경량화. 뱅킹폰. 뱅킹폰. ,. ,. 단말기. 단말기. SMS. SMS. 문자. 문자. 서비스. - PowerPoint PPT Presentation

Text of 2. •ë“œ›¨–´ 기ˆ 

  • 2. 2.3 2.3.1 (2)

    1998 2002CDMA2000 1x EV-DO( TFT LCD )

    1990[++] : CDMA 1997PCS ()2003 1999 2004MP3 , 200 VOD2000CDMA2000 1x : (144kbps) (WAP,ME) 2005 2001 ()

  • 2. 2.3 2.3.1 (2)

  • 2. 2.3 2.3.1 (3) - : (= MSM (Mobile Station Modem))

    H/W

  • 2. 2.3 2.3.1 (3) H/W = (RF Part) + = Duplexer + ) Duplexer : ) RF IF , IF baseband

    = (MSM) + + ) (Baseband Processor : MSM (Mobile Station Modem)): CPU :

  • 2. 2.3 2.3.1 (3) S/W

  • 2. 2.3 2.3.2 (1)

  • 2. 2.3 2.3.2

    (Smart Phone) +PDA , (WAP, ME, i-mode) (Handheld companions) PDA(PersonalDigitalAssistant) OS , HPC(Hand Held PC) PC PC (Vertical ApplicationDevice) 5 / 5

  • 2. 2.3 2.3.2 (1) (2) 1x EV-DO - SK KTF cdma2000 1x EV-DO ( TV, PC, , ) (3) - ,

  • 2. 2.3 2.3.2 (4) Concept Phone - Watch Phone- ()- : , , GPS Station - 3G : NTT Docomo 3G

  • 3. 3.1 3.1.1 - , PC 3.1.2 - Hand-off Roaming RF Performance , Input Device Application Interface - , Resource , , , . /

  • 3. 3.1 3.1.3 (1) Windows CE (Pocket PC) - , Window CE - - - - Desktop Windows Window CE - MS - -

  • 3. 3.1 3.1.3 (2) Palm OS - (Palm) PDA OS - , , - OS Palm OS - , MAC OS, UNIX, OS/2 - OS Palm OS - OS OS - MP3 WMV

  • 3. 3.1 3.1.3 (3) Symbian EPOC - , (Psion) PDA PC - EPOC 32 OS Symbian - OS PDA EPOC PDA - CDMA, W-CDMA

  • 3. 3.1 3.1.3 (4) (Embedded Linux) - OS

    - - -

  • 3. 3.1 3.1.3 (5)

    Windows CEPalmEPOCEmbedded LinuxMicrosoftPalmSymbian-- PC - - - Interface - PC - , , - - OS - -

  • 3. 3.2 3.2.1 (1) - - // API (2) OTA(Over-The-Air) - () - Sun Java, QUALCOMM BREW, WIPI - - MS Windows Mobile for Smartphone, Symbian OS, Palm OS, Ericsson Mobile -

  • 3. 3.2 3.2.1

  • 3. 3.2 3.2.1 (1) 1 : 1999 (WAP,ME,i-mode) - WAP, ME, i-mode (Markup Language) - 2000~2001 ( )- JAVA VM (Interpreter ) C binary - KVM, SK-VM, GVM, MAP, BREW (2) 2 : (3) 3 : - - (KWISF), (ETRI) WIPI(Wireless Internet Platform Interoperability) :

  • 3. 3.2 3.2.2 - UI(User Interface) (display) (Loading)

  • 3. 3.2 3.2.3 2

    Interpreter (VM ) Sun Microsystems Mobile Java (J2ME) GVM ,SK-VMBinary (Native ) BREW MAP

  • 3. 3.2 3.2.3 (1) GVM (General Virtual Machine) - mini C(mobile C) - , - ) , ) ) TCP/IP - : VM

    GVMC/C++Interpreter(VM)SKT()

  • 3. 3.2 3.2.3 GVM

    - , GVM ASIC(application-spesific integrated circuit)ASIC(application-spesific integrated circuit)Mobile Interface Device DriverMobile Interface Device DriverReal-time OSReal-time OSHandset Native ApplicationHandset Native ApplicationHost Man-MachineInterfaceHost Man-MachineInterfaceMobile C Virtual-MachineBlack-box ModuleMobile C Virtual-MachineBlack-box ModuleBroswerBroswerWirelessServices(SMS,Scheduler)WirelessServices(SMS,Scheduler)ASIC(application-spesific integrated circuit)ASIC (Application-specific Integrated Circuit)Mobile Interface Device DriverMobile Interface Device DriverReal-time OSReal-time OSHandset Native ApplicationHandset Native ApplicationHost Man-MachineInterfaceHost Man-MachineInterfaceMobile C Virtual-MachineBlack-box ModuleMobile C Virtual-MachineBlack-box ModuleBroswerBrowserWirelessServices(SMS,Scheduler)WirelessServices(SMS, Scheduler)

  • 3. 3.2 3.2.3 (2) SK-VM(SK-Virtual Machine)

    - XCEJ2ME MIDP(Mobile Information Device Profile) - Real time OS KVM SK-VM Script

    SK-VM, XVMJavaInterpreter(VM)SKT(XCE) -

  • 3. 3.2 3.2.3 (3) KVM(Kilobyte Virtual Machine)

    - - VM - Java language

    KVMJavaInterpreter(VM)LGT(SUN)

  • 3. 3.2 3.2.3 (4) BREW(Binary Runtime Environment for Wireless)

    API Binary ARM ARM API , , RAM. FLASH Wireless

    BREWC/C++Binary(Native)KTF()

  • 3. 3.2 3.2.3 (4) BREW(Binary Runtime Environment for Wireless) BREW - : Wireless Launchpad Suite - : Porting Kit - (SDK) - : QIS BREW

  • 3. 3.2 3.2.3

    GVMSK-VMKVMMAPBREW(ROM)100K500K500K100K100KXCESun , Java , , CDMA

  • 3. 3.2 3.2.4

    (cdma2000 1x) LCD

    , ()

  • 3. 3.2 3.2.5 (1) - - - ( ) - -

  • 3. 3.2 3.2.5 (2) (WIPI) = WIPI (Wireless Internet Platform for Interoperability) - -

  • 3. 3.2 3.2.5 (3) (WIPI)

  • 3. 3.2 3.2.5 (4) (WIPI) - (API)

  • 3. 3.2 3.2.5 (5) - WIPI , - IMT-2000 Dual CPU ,