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SDG

ECN specification for UMTS RRC protocol

​This ECN specification does not necessarily conform to the very last draft version of the ECN standard, and is provided here as an example of what an ECN specification could look like.

ECN for 3GPP RRC

​by ETSI STF 169 
Download [pdf - 49p] 

Encoding Definition Modules

Encoding Link Module

​ rrc.elm

ASN.1 Module

Non-critical 3GPP RRC message extensions

Download [pdf - 5p]