1、 56171 2014 c (DVB-T2). . ETSI EN 302 755 V1.3.1 (2012-04) Digital Video Broadcasting (DVB); Frame structure channel coding and modulation for a second generation digital terrestrial television broadcasting system (DVB-T2) (NEQ) ETSI TS 102 831 V1.2.1 (2012-08) Digital Video Broadcasting (DVB); Impl
2、ementation guidelines for a second generation digital terrestrial television broadcasting system (DVB-T2) (NEQ) ETSI TS 102 773 V1.3.1 (2012-01) Digital Video Broadcasting (DVB); Modulator Interface (T2-MI) for a second generation digital terrestrial television broadcasting system (DVB-T2) (NEQ) 561
3、712014 II 1 - ( ) 2 480 3 16 2014 . 1339- 4 (ETSI): 302 755 V1.3.1 (2012-04) . , (DVB-T2) ETSI EN 302 755 V1.3.1 (2012-04) Digital Video Broadcasting (DVB); Frame structure channel coding and modulation for a second generation digital terrestrial television broadcasting system (DVB-T2), NEQ; 102 831
4、 V1.2.1 (2012-08) . (DVB-T2) ETSI TS 102 831 V1.2.1 (2012-08) Digital Video Broadcasting (DVB); Implementation guidelines for a second generation digital terrestrial television broadcasting system (DVB-T2), NEQ; 102 773 V1.3.1 (2012-01) . (T2-MI) (DVB-T2) ETSI TS 102 773 V1.3.1 (2012-01) Digital Vid
5、eo Broadcasting (DVB); Modulator Interface (T2-MI) for a second generation digital terrestrial television broadcasting system (DVB-T2), NEQ 5 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2015 , 561712014 1 c (DVB-T2). . Digital Video Broadcasting. Gateway of a second generation digital terrestrial tel
6、evision broadcasting system (DVB-T2). Basis parameters. Technical requirements 20150901 1 T2-MI DVB-T2 ( ), T2-MI 1. . , . 2 : IEC 600652011 -, - . 12.1.03081 . . , 12.2.007.075 . . 1515069 , . . , , 2113075 . . 32134.12013 . . 5082995 , . , 1 , . , , . , , (). , , , , , , , , , , . 3 , 3.1 : 561712
7、014 2 3.1.1 2- (T2-modulator interface, T2-MI): , , 2- 2-. 3.1.2 (single frequency network): , . 3.1.3 Ethernet (Ethernet; Ethernet network): , IEEE 802.3. 3.2 : ; ; ASI (Asynchronous Serial Interface); ETSI (European Telecommunications Standards Institute); GCS (Generic Continuous Stream); GFPS (Ge
8、neric Fixed-length Packetized Stream); GSE (Generic Encapsulated Stream); GPS (Global Positioning System); PLP (Physical Layer Pipe); SNMP UDP (Simple Network Management Protocol); TS (Transport Stream); UDP (User Datagramm Protocol). 4 4.1 : - (TS); - (GSE); - (GCS); - (GFPS). 4.2 : - (PLP) PLP; -
9、; - ; - (SFN); - T2-MIP; - T2-MI. 4.3 T2-MI , : - ; - IQ- ; - SFN. 4.4 T2-MI DVB-T2 2- DVB-T2 SFN. 5 5.1 5.1.1 T2-MI DVB-T2. 5.1.2 ASI Ethernet 2 . 5.1.3 ASI Ethernet 2 T2-MI. 5.1.4 Ethernet 10/100 561712014 3Base-T WEB- SNMP. 5.1.5 /GPS SFN: 1 , , 2,7 5 , (50 5) ; 10 , 0,05 1,5 , (50 5) 18 . 5.2 5.
10、2.1 , () 0,15 30 , 8.3 8.4 32134.12013 1. 1 , () 0,15 30 , Uc, , 0,15 0,5 . 66 56 56 46 . 0,5 5 . 56 46 . 5 30 . 60 50 1 . 2 0,15 0,5 1 : ;15,0lg1,1966fUc ,15,0lg1,1956fUc f , . 5.2.2 80 2000 9.2 32134.12013 (6.1 32134.12013). 5.2.3 9.4 32134.12013 (6.2 32134.12013). 5.2.4 9.8 32134.12013 (6.2 32134.12013). 5.2.5 , , 9.7.2 32134.12013 (9.7.3 32134.12013). 5.3 5.3.1 , , 12.1.030, IEC 60065, 12.2.007.0, 50829. 5.3.2 . 5.3.3 15150 +45 , +60 . 561712014 4 5.3.4 36 . 5.3.5 1410 1 . 5.3.6 2 . 5.3.7 , , . , , 0,1 . 5.3.8 () , , . 5.3.9 () ( ) 21130 ( ). 5.3.10 ( ) . . 5.4 5.4.1 : 1) 220 .
