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    • 10. 发明申请
    • CONDITIONAL ACCESS APPARATUS AND METHOD FOR PROVIDING TERRESTRIAL DMB SERVICE
    • 条件访问设备和提供地道DMB服务的方法
    • WO2007064075A1
    • 2007-06-07
    • PCT/KR2006/003604
    • 2006-09-11
    • ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTELEE, Jin-HwanLEE, Yong-HoonAHN, Chung-HyunLEE, Soo-In
    • LEE, Jin-HwanLEE, Yong-HoonAHN, Chung-HyunLEE, Soo-In
    • H04N7/00
    • H04H60/15H04H20/06
    • Provided is a conditional access apparatus and method for providing a terrestrial Digital Multimedia Broadcasting (DMB) service. The apparatus includes: an ensemble data analyzer for extracting ensemble configuration information, and hierarchically managing program data, respectively; a control word generator for generating a control word; a scrambler for scrambling a specific program from the ensemble data analyzer; a conditional access data coder for receiving subscriber and program information from outside, ensemble configuration information and the control word, and coding conditional access data; and an ensemble data multiplexer for creating ensemble data by multiplexing specific program data, non-scrambled program data, fast information group (FIG) data, and the conditional access data, correcting and adding parameters required for the conditional access in conformity to a broadcasting standard.
    • 提供了一种用于提供地面数字多媒体广播(DMB)服务的条件访问装置和方法。 该装置包括:分集数据分析器,分别提取整体配置信息,分层管理程序数据; 用于产生控制字的控制字发生器; 加扰器,用于对来自所述综合数据分析器的特定程序进行加扰; 用于从外部接收用户和节目信息的条件访问数据编码器,集成配置信息和控制字,以及对条件访问数据进行编码; 以及整体数据多路复用器,用于通过复用特定节目数据,非加扰节目数据,快速信息组(FIG)数据和条件访问数据来创建整体数据,根据广播标准校正和添加条件访问所需的参数 。