L3 - The GPRS Network 1 Importance of GPRS 2 GPRS Network...

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SYSC 5403 - 3 Copyright © 1995-2009 by R.H.M. Hafez 1 The GPRS Network The GPRS Network 1. Importance of GPRS 2. GPRS Network Interface 3. GPRS Mobility Model 4. GPRS Modulation 5. EDGE SYSC 5403 - 3 Copyright © 1995-2009 by R.H.M. Hafez 2 The Importance of GPRS The Importance of GPRS ± GPRS was the first step toward building Packet Switched Wireless Access ± The GPRS later evolved to form an essential part of 3G access network ± The GPRS was further evolved into an all- IP personal wireless access network
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SYSC 5403 - 3 Copyright © 1995-2009 by R.H.M. Hafez 3 The GPRS Network Elements The GPRS Network Elements Um TRAU BSC A MSC/VLR GMSC PSTN ISDN PDN X.25 V A S I N HW/SW Upgrade Gb SGSN GGSN PDN HLR/AuC/EIR GPRS = Generalized Packet Radio Service GPRS GPRS SYSC 5403 - 3 Copyright © 1995-2009 by R.H.M. Hafez 4 Upgraded BSC and HLR Upgraded BSC and HLR TRAU Old BSC A MSC/VLR Gb SGSN PCU Upgraded BSC Packet Control Unit (New) Frame Relay connection HLR HLR Software upgrade
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SYSC 5403 - 3 Copyright © 1995-2009 by R.H.M. Hafez 5
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L3 - The GPRS Network 1 Importance of GPRS 2 GPRS Network...

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