Efficient implementation of 3G-324M protocol stack for multimedia communication

In order to support real-time video, audio and data communication among heterogeneous third generation (3G) handsets, 3G phones/terminals are required to support 3G-324M, the multimedia transmission protocol stack for 3G communication. This paper discusses some efficient approaches and experiences in the implementation of 3G-324M protocol stack. Specifically, we discuss: (1) event-driven approach for the overall information exchange; (2) single-step direct message transformation for the optimization of tree-structured message processing and (3) serialization of nested multiplex table entries in multiplexing/demultiplexing processing. Our implementation has been tested in a realistic heterogeneous 3G communication environment for transmission of real-time video, audio and data and its performance is satisfactory.