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Ç¥ÁعøÈ£ [ÆóÁö] TTAS.KO-07.0043 ±¸Ç¥ÁعøÈ£
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ÇѱÛÇ¥Áظí Áö»óÆÄ µðÁöÅиÖƼ¹Ìµð¾î¹æ¼Û(DMB) Á¦ÇѼö½Å Á¤ÇÕÇ¥ÁØ
¿µ¹®Ç¥Áظí Specification of the conditional access for terrestrial Digital Multimedia Broadcasting (T-DMB) transmitter
Çѱ۳»¿ë¿ä¾à Á¦ÇѼö½ÅÀ̶õ ÀÌ¿ë±ÇÇÑÀ» °¡Áø Á¤´çÇÑ °¡ÀÔÀÚ¿¡°Ô¸¸ ¿øÇÏ´Â ¹æ¼Û ¼­ºñ½º¸¦ Á¦°ø¹ÞÀ» ¼ö ÀÖ°Ô ÇÏ´Â ±â¼úÀÌ´Ù. º» Ç¥ÁØÀº Áö»óÆÄ DMBÀÇ ¾Ó»óºí ÇÁ·¹ÀÓ ³»¿¡¼­ Á¦ÇѼö½Å ÆĶó¹ÌÅÍ ¼³Á¤ ¹æ¹ý, Á¦ÇѼö½Å ³»ºÎ ¸Þ½ÃÁöÀÇ À§Ä¡ µî Á¦ÇѼö½Å ½Ã±×³Î¸µ°ú Àü¼Û ¸ÞÄ¿´ÏÁòÀ» Á¦°øÇÑ´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 ¼­ºêä³Î ¸ðµå, µ¥ÀÌÅÍ±×·ì ¸ðµå, ¸ÖƼ¹Ìµð¾î °´Ã¼Àü¼Û(Multimedia Object Transfer, MOT) ¸ðµåÀÎ ¼¼ °¡Áö Á¦ÇѼö½Å ¸ðµå Áß¿¡¼­ ÇϳªÀÇ ¹æ½ÄÀ» ¼±ÅÃÇÏ¿© Á¦ÇѼö½ÅÀ» 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 and etc. And it provides the method of parameter setting for shared scrambler system and specifies common scrambler algorithm.
According to the level and characteristic of the service corresponding to at each service, one mode is selected in three conditional access modes which is the sub-channel, the data group, and the multimedia object transfer (MOT).
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(TTAK.KO-07.0043/R1)

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