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Ç¥ÁعøÈ£ TTAK.KO-07.0043/R1 ±¸Ç¥ÁعøÈ£
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ÇѱÛÇ¥Áظí Áö»óÆÄ µðÁöÅиÖƼ¹Ìµð¾î¹æ¼Û(T-DMB): Á¦ÇѼö½Å
¿µ¹®Ç¥Áظí Terrestrial Digital Multimedia Broadcasting (T-DMB): Conditional Access
Çѱ۳»¿ë¿ä¾à Á¦ÇÑ ¼ö½ÅÀ̶õ ÀÌ¿ë ±ÇÇÑÀ» °¡Áø Á¤´çÇÑ °¡ÀÔÀÚ¿¡°Ô¸¸ ¿øÇÏ´Â ¹æ¼Û ¼­ºñ½º¸¦ Á¦°øÇÒ ¼ö ÀÖ°Ô ÇÏ´Â ±â¼úÀÌ´Ù. º» Ç¥ÁØÀº Áö»óÆÄ DMBÀÇ ¾Ó»óºí ÇÁ·¹ÀÓ ³»¿¡¼­ Á¦ÇÑ ¼ö½Å ÆĶó¹ÌÅÍ ¼³Á¤ ¹æ¹ý, Á¦ÇÑ ¼ö½Å ³»ºÎ ¸Þ½ÃÁöÀÇ À§Ä¡ µî Á¦ÇÑ ¼ö½Å ½Ã±×³Î¸µ°ú Àü¼Û ¸ÞÄ¿´ÏÁòÀ» Á¦½ÃÇÑ´Ù. ¶ÇÇÑ, °øÀ¯ ½ºÅ©·¥ºí·¯ ½Ã½ºÅÛÀ» ±¸¼ºÇϱâ À§ÇÑ ÆĶó¹ÌÅÍÀÇ ¼³Á¤ ¹æ¹ýÀ» ±â¼úÇÏ¿´À¸¸ç °øÅë ½ºÅ©·¥ºí·¯ ¾Ë°í¸®ÁòÀ» ÁöÁ¤ÇÏ¿´´Ù. ¼­ºñ½º¸¶´Ù ÇØ´çµÇ´Â ¼­ºñ½ºÀÇ °èÃþ°ú Ư¼º¿¡ µû¶ó¼­ ¼­ºê ä³Î ¸ðµå, µ¥ÀÌÅÍ ±×·ì ¸ðµå, ¸ÖƼ¹Ìµð¾î °´Ã¼ Àü¼Û(MOT, Multimedia Object Transfer) ¸ðµå, MPEG2-TS ¸ðµåÀÎ ³× °¡Áö Á¦ÇÑ ¼ö½Å ¸ðµå Áß¿¡¼­ ÇϳªÀÇ ¹æ½ÄÀ» ¼±ÅÃÇÏ¿© Á¦ÇÑ ¼ö½ÅÀ» Àû¿ëÇÒ ¼ö ÀÖ°Ô ÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à The Conditional Access is a technology which limits service providing to only subscribers, and blocking access to others. This standard provides the conditional access signaling and transport mechanisms which are included method of conditional access parameter setting and location of conditional access internal message, etc. And it provides the method of parameter setting for shared scrambler system and specifies common scrambler algorithm.
According to the layer and characteristics of the service corresponding to each service, one mode is selected among four conditional access modes which are the sub-channel, the data group, the multimedia object transfer (MOT), and the MPEG2-TS.
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°ü·ÃÆÄÀÏ TTAK.KO-07.0043R1.pdf TTAK.KO-07.0043R1.pdf            

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