Group 896 GPRS Radio Resource Management GPRS Introduction: Reuse the existing GSM infrastructure Introduce packet-switched routing functionality Better.

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Presentation transcript:

Group 896 GPRS Radio Resource Management GPRS Introduction: Reuse the existing GSM infrastructure Introduce packet-switched routing functionality Better data transfer rates Low cost and connectivity-oriented Migration Path to 3G Networks

Group 896 GPRS Radio Resource Management GPRS architecture

Group 896 GPRS Radio Resource Management Upgraded components:  GPRS MS:  Multislot capabilities  Three new classes of MS  BSS:  PCU (Packet Control Unit)  CCU (Channel Codec Unit)

Group 896 GPRS Radio Resource Management GPRS protocols stack

Group 896 GPRS Radio Resource Management GPRS Protocols:  GSM-RF:  Reuse of GSM multiple access methods (TDMA/FDMA)  MAC:  RLC: