GPRS: How it works - O2

GPRS: how it works An O2 White Paper 1. Executive summary2. gprs network infrastructure3. gprs gprs PDP Context gprs Context Deactivation and What happens to an incoming voice call during a gprs data session?4. The importance of the access point name5. Connecting to the corporate LAN via Resilient O2 Mobile Web O2 Mobile Web VPN service6. How secure is gprs ?7. Throughput performance of the gprs Capabilities of the O2 gprs Multislot class of gprs gprs coding schemes8. Glossary of terms34-56-106789101112-1812141516181920 -2220212223 ContentsPage General Packet Radio Service ( gprs ) is anenhancement to the existing GSM network infrastructureand provides a connectionless packet data service. The same cellular base-stations that support voice callsare used to support gprs and as a consequence GPRScan be used wherever it is possible to make a voice roaming agreements exist with a large number ofcountries and this means users can use gprs deviceswhilst is based on internet Protocols (IP) and enablesusers to utilise a wide range of applications email and internet and/or intranet resources for instance.

GPRS introduces a number of new functional elements that support the end to end transport of IP based packet ... frame relay connection between the SGSN and the PCU within the BSS. This transports both user ... reachable timer (e.g. 3 hours in O2’s network).

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  Work, Early, Functional, How it works, Timer, Gprs

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