Cellular Digital Packet Data (CDPD) - Bnrg.cs.berkeley.edu ...

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Cellular Digital Packet Data• IBM, McCaw Cellular• Data network overlay on analog cellulartelephone system• Uses same 30 KHz channels @ 800 MHz;potentially same coverage as cellular system• Schedule data packets to unused voicechannels• (Up to) 19.2 kbps• Provides IP packet service2
Cellular Digital Packet DataISIntermediate System:Routes to Corporate and Value-Addednetworks like the InternetMD-ISMobile Data Intermediate System:Mobility managementM-ESMD-BSMobile Data Base Station:Collocated with cellular MTSOManages cells/air interfacesMobile End Station:terminal, laptop3
Page 1: CS 294-7: Cellular Digital PacketDa
Page 5 and 6: CDPD Network ArchitectureColor Code
Page 7 and 8: CDPD Entities• Fixed End Systems
Page 9 and 10: CDPD Entities• Mobile Data Base S
Page 11 and 12: CDPD ProtocolsNetwork Layer DataNet
Page 13 and 14: CDPD Protocols• MAC Layer- Arbitr
Page 15 and 16: CDPD Protocols• Mobile Data Link
Page 17 and 18: Mobile Network RegistrationProtocol
Page 19 and 20: M-ES Channel Hopping• Initiation
Page 21 and 22: Network Layer Mobility:CDPD vs. Mob
Page 23 and 24: Network Layer Mobility:CDPD vs Mobi

Cellular Digital Packet Data (CDPD) - Bnrg.cs.berkeley.edu ...

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