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1引言随着移动通信技术的发展以及3G的临近,手机电视业务吸引了越来越多的人的注意。手机电视属于移动视频的范畴,主要是通过移动电信网络实现的,在点对点或点对多点情况下传送语音、图像、数据文件的实时性交互业务。而手机电视业务,就是
1 Introduction With the development of mobile communication technology and the advent of 3G, the mobile TV business has attracted the attention of more and more people. Mobile TV belongs to the category of mobile video, which is mainly realized through mobile telecommunication networks, and real-time interactive services of transmitting voice, images and data files in point-to-point or point-to-multipoint situations. The mobile TV business, that is