28c3: Cellular protocol stacks for Internet
Channel: 28c3
Date: 2011-12-30

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Description: http://events.ccc.de/congress/2011/Fahrplan/events/4663.en.html

Harald Welte: Cellular protocol stacks for Internet
GPRS, EDGE, UMTS, HSPA demystified

Almost everyone uses the packet oriented transmission modes of cellular networks. However, unlike TCP/IP, Ethernet and Wifi, not many members of the hacker commnunity are familiar with the actual protocol stack for those services.

This talk is aimed to give an in-depth explanation how the lower layer protocols on the air and wired interfaces for packet data services in cellular networks are structured.

For 2.5/2.75G, this includes RLC/MAC, NS, BSSGP, LLC, SNDCP, GTP For 3G/3.5G, this includes RRC, RLC, PDCP, NBAP, RANAP