The State Administration of Radio Film and Television (SARFT) has published a series of standards for China Mobile Multimedia Broadcasting since 2006. The series include head-end service, frame structure for broadcasting signaling, and the requirements for terminal devices. The CMMB service is adopted nationwide by 2008 Olympic Games and the advantages of China mobile phone industries. This paper first introduces the standards of CMMB, including frame structure, channel coding and modulation, and multiplexing. Then, a comparison between CMMB and other mobile multimedia technologies is presented. Finally, it addresses opportunities and potential risks related to the development of CMMB.
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