| CDMB standard is issued by the China Association for Standardization, which has China's independent intellectual property rights of mobile TV standard. CDMB is based on the DAB channel transmission technology and adopts AVS as the source coding technology. The feature of CDMB has a significant low-power, low-cost, anti-stem worries capability and high-speed mobile properties, and also CDMB avoids the high cost of patent on using H.264.The scale of mobile television subscribers in future will be much bigger than traditional TV. And integrated with mobile communications, it will be more convenient for users to pay and it is expected that future mobile TV television shopping market will rapidly expand. According to the forecasts, mobile TV subscribers in 2010 in China will reach 34 million. Assuming per user on average do shopping through mobile TV 5 times, and each communication costs two Yuan, the communication revenue of mobile TV shopping in 2010 is expected to reach 300 million Yuan.In Chapter One of this paper, the overall situation of CDMB mobile TV standard is introduced , and in chapter two, the author researches system structure, channel agreement, transmission technology and source coding of CDMB mobile TV standard in detailed.In Chapter Three of this paper, the model system of CDMB mobile TV standard is designed and implemented, as well as that the basic service processes of CDMB mobile TV standard is realized, such as initialization, receiving program guides, ordering programs, interaction, and other key business services.In Chapter Four of this paper, the author innovatively figures out the integration of Broadcasting networks and Mobile Communication networks to develop Mobile TV Shopping business applications. Mobile TV Shopping is the combination of mobile TV mobile communications and television shopping. Television shopping company through mobile TV network operators offer mobile TV users with video merchandise discount information, and mobile phone users can consult through mobile phone, then users can pay for goods through mobile communication networks and enjoy door-to-door service.In Chapter Five, the author designs the security solutions in the process of Mobile TV Shopping on the basis of Chapter Four, which make sure that the mobile TV shopping is developing stably and harmoniously.Mobile TV is a new means of communication, in general, is still in the testing stage. Existing and potential models of Mobile TV need practice test. |
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