1、 55695 2013 . 2014 556952013 II 27 2002 . 184- , 1.02004 . 1 ( ) 2 480 3 8 2013 . 1336- 4 : Recommendation ITU-R BT.1852 (09/2009) Conditional-access systems for digital broadcasting 5 , . ( ) . , , 2014 , 556952013 1 . Digital video broadcasting. Scrambling and access restriction for digital televi
2、sion broadcasting systems. Basic parameters 20140901 1 , : , . 2 : 1.0 2004 . 52210 2004 . 52591 2006 . 53531 2009 . . . 28147 89 . . , 1 , , . ( ), ( ) . , , , , . 3 , 3.1 52210, 52591, 53531, : 3.1.1 : , . 3.1.2 : , 28147. 3.1.3 (Custom Service Information Generator; CSIG): , (PSI). 3.1.4 : , , .
3、2 3.1.5 (descriptor): , ; . 3.1.6 (Common Interface; CI): , , , . 3.1.7 (Packet Identifier; PID): , ; , . 3.1.8 : . 3.1.9 : , ( , ). 3.1.10 : , . 3.1.11 (multiplexer; MUX): , . 3.1.12 : , (CW), . 3.1.13 (section): , DVB (SI) PSI ETSI1, ISO/IEC2. 3.1.14 (, ) (service): , . : -, -, , . 3.1.15 (Service
4、 Information; SI): , ETSI1. 3.1.16 : , . 3.1.17 (Network Management System; NMS): , . 3.1.18 (scrambler; SCR): , . 3.1.19 (scrambling): MPEG2 TS, , . 3.1.20 (Control Word; CW): , . 3.1.21 (): , . 3.1.22 (): , (CW) . 3.1.23 (tag): , , . 3.1.24 ( ) (Transport Stream; TS): , . 3.2 : CAT (Conditional Access Table) - ; CI (Common Interface) - ; C(P)SIG (Custom Program Specific Information Generator) - ; CRC (Cyclic Redundancy Check) - ; CW (Control Word) - ; CWG (Control Word Generator) - ; CSMA-CD (Carrier Sense Multiple Access with Collision Detection) - ; DVB (
