Universal Mobile Telecommunications System (UMTS); Guidelines and principles for protocol description and error handling (3GPP TR 25.921 version 5.4.0 Release 5)
The present document provides a guideline for protocol specification of UMTS stage 2 and 3 including the usage of formal languages and rules for error handling. The present document covers control-plane and user-plane protocols specified in TSG-RAN such as RRC@ RLC@ RANAP@ RNSAP@ NBAP@ PCAP@ and SABP.