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
  - rrc.edm
  - rrc_msg.edm
  - rrc_msg_type.edm
  - rrc_useful.edm
• Encoding Link Module
  - rrc.elm
   
• ASN.1 Module
  - rrc_msg.asn
   
• Non-critical 3GPP RRC message extensions
  Download [pdf - 5p]