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LTE (3G till Rel 6 - Updated L2 stack) - 13

Updated L2 stack [Under LTE > 3G till Rel 6]
» HSDPA overall description - 25.308, Rel 6 «
» FDD Enhanced uplink (HSUPA) overall description - 25.309, Rel 6 «
» MAC - 25.321, Rel 6 «

Here are updated L2 stack diagrams for UE, Node B, and SRNC for Rel 6. Rel 5 UE stack diagram is available in Radio access layers briefly article.

We mainly looked at HSPA enhancements done to UMTS R99; complete and more details about other enhancements can be found in release (R4, R5, and R6) documents at 3GPP.

References: 3G Evolution: HSPA and LTE by Dahlman, Parkvall, Sköld, and Beming.

Copyright © Samir Amberkar 2010-11§

3G till Rel 6 - Channel mapping diagram « LTE Index » 3G till Rel 6 - MBMS