Title :
A generic encoding/decoding methodology for UMTS L3 messages based on ASN.1 and ECN
Author :
Lou, Ruian ; Ramasamy, Arularasan ; Viswanathan, Sivakumar
Author_Institution :
Inst. for Infocomm Res., Singapore, Singapore
Abstract :
In the 3GPP UMTS specifications, different encoding/decoding rules are specified for different layer 3 (L3) protocol modules when transmitting/receiving message PDUs. For example, RRC messages are represented in ASN.1 format, whereas the messages of other L3 protocol modules (i.e. CC, MM, SM, GMM, SMS and SS) are represented in tabular formats. Also, some GMM IEs are represented in CSN.1 format and some SS IEs are represented in ASN.1 format. There is no generic encoding/decoding solution available that provides a standardized method for all L3 message PDUs. In this paper, we propose such a method by extending the use of ASN.1 enhanced with ECN for L3 protocol messages. The result is a generic and optimal encoding/decoding methodology, which is applicable to all L3 messages of the 3GPP protocol stack.
Keywords :
3G mobile communication; decoding; encoding; protocols; 3GPP protocol stack; ASN.1 format; CSN.1 format; ECN; GMM; RRC messages; SMS; UMTS L3 messages; abstract syntax notation format; connection management messages; encoding control notation; encoding/decoding rules; generic encoding/decoding methodology; layer 3 protocol modules; message PDU transmission/reception; mobility management messages; tabular formats; 3G mobile communication; Bit error rate; Decoding; Electronic mail; Encoding; Mobile radio mobility management; Optimal control; Protocols; Samarium; Software tools;
Conference_Titel :
Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th
Print_ISBN :
0-7803-8521-7
DOI :
10.1109/VETECF.2004.1404640
