Method and system for binding mobile phone terminal by multimedia broadcast content
A technology of multimedia broadcasting and mobile phone terminals, applied in broadcasting system control, analog security/charging system, electrical components, etc.
Active Publication Date: 2011-01-19
ZTE CORP
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide a method and system for binding multimedia broadcast content to a mobile phone terminal, which solves the problem of binding multimedia broadcast content to a mobile phone terminal and restricting other terminals from using the multimedia broadcast content
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[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0034] figure 1 The system shown constitutes a business operating environment in which multimedia broadcasting content is bound to a mobile terminal. The mobile terminal is equipped with a smart card, and the communication between the mobile terminal and the smart card is carried out using the security protocol stipulated in the 3GPP specification. The smart card stores the unique identification information of the user to ensure that the user access The legitimacy of the network, the smart card supports the key security strategy of the mobile TV service; the mobile terminal adopts the interactive or broadcast mode to access the transmission bearer network, and the transmission bearer network transfers the data information transmitted by the interactive or broadcast mode between the mobile terminal and the mobile TV platform Transmission; the mo...
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The invention provides a method and a system which are used for binding multimedia broadcast content with a cell phone terminal. The method includes the following steps: a cell phone television platform is used for generating terminal identification information and send the information to a cell phone terminal; after TBK key information and TBK key identification information are generated, the multimedia broadcast service is released; after the service key is subscribed and obtained at the cell phone terminal, the TBK key information is adopted for encrypting the TEK key, the service key is also adopted for encrypting the TEK, and the TEK is sent to the cell phone terminal; the cell phone terminal is used for obtaining the TBK key information from the cell phone television platform according to the TBK key identification information, and the terminal identification information is carried by a request message; the TBK key information is adopted for decrypting the encrypted TEK key information output by an intelligent card and the TEK key information is obtained; and according to the TEK key information, an encrypted media stream is decrypted, thus being used for broadcasting multimedia service. By adopting the invention, the binding of the cell phone terminal by the multimedia broadcast content is realized so as to limit other terminals to use the multimedia broadcast content.
Description
technical field [0001] The invention relates to the field of mobile phone televisions, in particular to a method and system for binding multimedia broadcast content to a mobile phone terminal. Background technique [0002] The mobile TV service refers to the service of receiving TV coded signals transmitted wirelessly through mobile terminals, and decoding and playing them on the mobile terminals. Users can use mobile TV services without being restricted by conditions such as time and place, which enhances the convenience for people to obtain information or entertainment. The mobile TV business is rich and colorful, applicable to different audiences. [0003] However, for some multimedia broadcasting content, it needs to be restricted to be used only on certain terminals, and cannot be used on other terminals, especially for multimedia broadcasting content stored on mobile terminals, in order to avoid free and free dissemination among mobile terminals, It is of great pract...
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IPC IPC(8): H04W12/02H04N7/16H04H60/23
Inventor 李凤军
Owner ZTE CORP