Protocol Architecture of LTE Network

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In LTE architecture, core network includes Mobility Management Entity (MME), Serving Gateway (SGW), Packet Data Network Gateway (PDN GW) where as E-UTRAN has E-UTRAN NodeB (eNB).

Key Components of a LTE Network
The User Equipment (UE)
The E-UTRAN (The access network)
Evolved Packet Core (EPC) (The core network)

Protocol structure of User Plane

Protocol structure of Control Plane

References

1) http://tech.queryhome.com/27165/high-level-architecture-of-lte
2) http://lteworld.org/lte-protocols-specifications

posted Jan 9, 2014 by Amit Mishra

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Nice summary but looks figures got squeezed...

commented Jan 9, 2014 by Salil Agrawal

Yes may be because of small size its looking squeezed

commented Jan 9, 2014 by Amit Mishra

GSM Protocol Architecture

GSM Family Snapshot

GSM Protocol Architecture

As I explained in my previous article you have following interfaces in the Pure GSM netwoek
Um Interface: Between MS and BSS
A Interface: Between BSS and NSS
Abis Interface: Between BTS and BSC (both are components of BSS)

Now lets see how protocols connect them with each other.

GSM Control Plane