GOST R 56452-2015 Digital video broadcasting Single frequency networks of a second generation digital terrestrial television broadcasting system (DVB-T2) Basic parameters《数字视频广播 第二.pdf

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1、 564522015 (DVB-T2) ETSI EN 302 755 V1.3.1 (2012-04)Digital Video Broadcasting (DVB); Frame structure channel coding and modulationfor a second generation digital terrestrial television broadcasting system (DVB-T2)(NEQ)ETSI TS 102 831 V1.2.1 (2012-08)Digital Video Broadcasting (DVB); Implementation

2、guidelines for a secondgeneration digital terrestrial television broadcasting system (DVB-T2)(NEQ) 1 - , - - ( )2 480 3 15 2015 . 673-4 (ETSI): 302 755V1.3.1 (2012-04) . , (DVB-T2)ETSI EN 302 755 V1.3.1 (2012-04) Digital Video Broadcasting (DVB); Frame structure channel coding andmodulation for a se

3、cond generation digital terrestrial television broadcasting system (DVB-T2), NEQ; 102 831 V1.2.1 (2012-08) . (DVB-T2)ETSI TS 102 831 V1.2.1 (2012-08) Digital Video Broadcasting (DVB); Implementation guidelines for a secondgeneration digital terrestrial television broadcasting system (DVB-T2), NEQ5 1

4、02012 ( 8). ( 1 ) , -.() - . , - (www.gost.ru) , 2015 , - - II 564522015 (DVB-T2) Digital video broadcasting.Single frequency networks of a second generation digital terrestrial television broadcasting system (DVB-T2).Basic parameters 201509011 - (DVB-T2). , MISO, DVB-T2. DVB-T2.2 : 522102004 . 525

5、912006 -. 535282009 . DSM-CC. 549942012 . DVB IP. - , 1 , - . - , , . , - , (). , , , , , . , -, , , .1 564522015 3 , 3.1 52210, 52591, 53528, 54994, :3.1.1 FEF: 2-, FEF.3.1.2 MISO: (1 2), MISO, , -.3.1.3 : , - , , .3.1.4 PLP: PLP, 2-, L1- , PLP.3.1.5 T2-MI: T2-MI,2-2- (ID) T2-MI.3.1.6 (OFDM): OFDM

6、Ts, - , .3.1.7 P1: ,S1 S2 .3.1.8 P2: , P1 , .3.1.9 : , - 2.3.1.10 (OFDM): OFDM - OFDM, . . .3.1.11 L1-: , - 1 2 DVB-T2 - PLP 2-.3.1.12 T2-: TDM , - . T2- P1 - P2.3.1.13 2-: T2-, T2-. FEF.3.2 : ; ;DVB (Digital Video Broadcasting);FEF (Future Extension Frame);MISO , (Multiple Input, Single Output);MPE

7、G ; - - (Moving Picture Experts Group);OFDM (Orthogonalfrequency-division multiplexing);PLP (Physical Layer Pipe);SISO , (Single Input, Single Output);T2-MI DVB-T2 (DVB-T2 Modulator Interface);T2-MIP DVB-T2 (DVB-T2 Modulator Information Packet).4 4.1 DVB-T2 SISO MISO.2 5645220154.1.1 . (. 4.1.3). 2-

8、 . , T2-MI, DVB-2 2016 T2-MI. , , T2-MIP . DVB-2 T2-MIP - 1. , 50 % C 1 2- 1.4.1.2 8 , , , - 1. 1 - 8 1 2 4 8 16 32 , 84210,50,25 .4.1.3 SISO, , , 2. 2 SISO, 1/4 19/128 1/8 19/256 1/16 1/32 1/1281 8,4 4,2 2,1 2 16,8 8,4 4,2 2,1 4 33,6 16,8 8,4 4,2 8 67,2 39,9 33,6 19,95 16,8 8,4 2,116 134,4 79,8 67,

9、2 39,9 33,6 16,8 4,232 159,6 134,4 79,8 67,2 33,6 8,4 MISO, , , 3.3 564522015 3 MISO, 1/4 19/128 1/8 19/256 1/16 1/32 1/1281 4,2 2,1 2 8,4 4,2 2,1 4 16,8 8,4 4,2 8 39,9 33,6 19,95 16,8 8,4 2,116 79,8 67,2 39,9 33,6 16,8 4,232 79,8 67,2 33,6 8,44.1.4 L1-c ( 1 2) DVB-T2 S1 1 4. 4 S1 1 DVB-T2 S1 / 2000

10、 T2_SISO 2-base, 2 SISO001 T2_MISO 2-base, 2 MISO010 Non-T2 FEF/ 011 T2_LITE_SISO 2-Lite, 2 SISO100 T2_LITE_MISO 2-Lite, 2 MISO101110111 4.1.5 2- 2, - -, 2 DVB-T2 SISO MISO 5. 5 2, - -, 2 DVB-T2 SISO MISO 2SISO MISO1 558 5462 1118 10984 2236 21988 4472 439816 8944 881432 22432 176124 5645220154.2 MI

11、SO4.2.1 MISODVB-T2, 4.3.3, MISO DVB-T2. MISO , - . MISO 1, - 4.3.2. MISO OFDM (am, l, p,am, l, p +1), . OFDM em, l, p(T c215 1) - MISO 1 em, l, p(T c215 2) MISO 2 :em, l, p(T c215 1) =am, l, pem, l, p + 1(T c215 1) =am, l, p + 1p c2060, 2, 4, 6, Ndata 2, (1)em, l, p(T c215 2) =a*m, l, p + 1em, l, p +1(T c215 1) =a*m, l, pp c206 0, 2, 4, 6, Ndata 2, (2) * - ;Ndata l ;m 2-;p .4.2.2 - MISO MISO , , - MISO , - 2.4.2.3 MISO - . MISO , PLP . - , - ,

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