1-pngenalan sis cell
DESCRIPTION
1-Pngenalan Sis CellTRANSCRIPT
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Modul : 01
PT3163SISTEM KOMUNIKASI BERGERAKPengenalan Sistem Cellular
Program Studi D3 Teknik TransmisiJurusan Teknik Elektro Sekolah Tinggi Teknologi TelkomBANDUNG, 2006
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Klasifikasi WIRELESS
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WirelessCommunication
FixedWireless
MobileWireless
Non Cellular
Cellular
Non Cellular
Cellular
point to point communication, infra red communication, LMDS, Microwave communication
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paging system (ERMES, NTT, NEC) , dispatching system, PAMR (Public Access Mobile Radio) dsb
PHS, CT2, PACS, DCS1800, DECT
GSM, CDMA/IS-95, AMPS, UMTS, PHS, DCS1800, NMT450, TACS, C-450, dsb
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Ada sedikitnya satu terminal bergerak di dalam komunikasiDaya pancar tinggiAntena setinggi-tingginyaCakupan sel sebesar-besarnyaKonsep Handoff tidak ada
Pada awalnya Sistem Komunikasi BergerakSyarat
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Generasi Awal Sistem Komunikasi BergerakKelemahanBiaya mahal karena perlu penguat daya tinggi dan antena tinggiKenyamanan pelanggan terganggu saat berpindah cakupanKapasitas rendahEfisiensi spektrum rendah
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Perkembangan Siskomber
Sistem Komunikasi bergerakTerestrialSatelitSiskomber Selluler
GMPCS (Global Mobile Personal Communication System)Iridium,Globalstar
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Klasifikasi Sistem CellularMenurut Daerah Jangkauan (Coverage)1. Large Zone (Single Cell/Convensional).* Radius +/- 20 miles. * STKB Inti.2. Multi Zone (Cellular). * STB ( NMT, GSM, CDMA.3. Global System (Mobile Satelite). * Iridium, Globalstar,GMPCSMenurut Sistem Transmisi yang digunakan 1. STB dgn Transmisi Tereterial. * Radio Teresterial (VHF/UHF). * Single Cell Convensional & Cellular.2. STB dgn Transmisi Satelite. * Iridium , Globalstar, GMPCS
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Standar Sistem Seluler
Sistem Seluler Analog Generasi PertamaAMPS ( Advanced Mobile Phone System )NMT 450 ( Nordic Mobile Phone )TACS ( Total Access Communication System )
Sistem Seluler Digital Generasi KeduaGSM ( Global System for Mobile Communication )DAMPS ( Digital AMPS )CDMA/IS-95
Generasi KetigaIMT 2000
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Technology Cellular.1Gwireless2GwirelessCDMA (Code Division Multiple Access)TDMA (Time Division Multiple Access)GSM(Global System for Mobile Communications)PDC (Personal Digital Cellular)
AMPS (Advanced Mobile Phone Service)3GwirelessW-CDMA(Wide-band Code Division Multiple Access)
CDMA-2000
- Analog voice service- No data service- Digital voice service- 9.6K to 14.4K bit/sec.- CDMA, TDMA and PDC offer one-way data transmissions only- Enhanced calling features like caller ID- No always-on data connection- Superior voice quality- Up to 2M bit/sec.- always-on data- Broadband data services like video & multimedia- Enhanced roaming
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Cellular Evolution : European waysTACS, NMT, etcGSMGPRS & EDGEIMT-2000/UMTS1G2G2.5G3GAnalog speechDigital speech, low speed dataDigital speech, low speed data, medium speed up to 384 kbs4 QoS Class :Conversational, streaming, interactive, & background
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2G Vs 3G
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Advanced Mobile Phone Service.Pioneer of cellular telecommunicationsFDMA-based analog systemLow capacity of subscriber per cellUnsecurePhone number can be scanned and copiedVoice conversation is not encrypted
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Global System for Mobile Communications.The most popular of cellular technologiesSupported in nearly all countriesTDMA-based digital system8 times capacity of AMPS per frequency bandSecureAll information exchange between Mobile Station (MS) and Base Station (BS) are encrypted
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Cell phone
Comm. Tower
BS/MSC/AU
A5 Algorithm
A5 Algorithm
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Cellular System Architecture.
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CDMAOne.Newest cellular phone standardDeveloped by QualcommSupported mainly in the Americas and East AsiaCDMA-based digital systemUp to 18 times capacity of AMPS per frequency bandVery SecureListeners need the right descrambler keyOptional encryption is also available
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Perbandingan
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Trend Teknologi Seluler
Aplikasi multimedia baruArsitektur layanan terpaduLayanan berbasis Internet ProtocolData Kecepatan tinggiSuara kualitas tinggiSyarat PelayananTeknologi AksesWCDMA ( Wideband Code Division Multiple Access)
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Cellular Evolution and 3G Roadmap.GPRSW-CDMAEDGEGSMGSMEurope
PDCJapan
D-AMPSNorth America
IS-95North AmericaHSCSDHSDPAPDC+PDCD-AMPS1X-RTTEV-DVEV-DOIS-95IS-95BUMTS
CDMA20002G2.5G3G3G+9.6-14 kbps 114-384 kbps 0.384-2 Mbps>5 Mbps
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Data Rate and Mobility.Data Rate [Mbps]0.11101001000StationaryPedestrianVehicleMobilityIEEE802.11bBluetoothFuture high speed RLANIEEE802.15.33GMobileIEEE802.11gIEEE802.11aHIPERLAN/24GMobile
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3G Open Systems Technology Platform
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Visi dari Teknologi Wireless 3G
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GMPCS
Global Mobile Personal Communication SystemDefinisi awal : Sistem satelit orbit non geostasioner , disebut juga Big LeoFrekuensi diatas 1 GHzLayanan suara dan data narrow bandDianggap sebagai komponen IMT 2000 , yang menyatukan berbagai sistem dalam satu infrastruktur radio terpadu Komunikasi anywhere and anytimeDefinisi sekarang : Semua sistem yang memberikan layanan telekomunikasi dari gugusan satelit baik trans-nasional, regional, maupun basis global
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