DVB-T2 (, OFDM, - ) (PLP). DVB-T2 L1, OFDM- . PLP , OFDM- . PLP L1, (PLP) .
,
(-) , - BICM (Bit Interleaved Coding and Modulation).
(BICM)
( PLP) (BCH) (LDPC) , , () , (). BICM , , ( PLP).
(PLP0PLPN) -,
.
- 64800 . +LDPC 15% 50%. 16200
LDPC - 64800 , . - .
-
, OFDM-. , LDPC, . [6,8]. , 16-QAM . 3.21 - 64000 8 64800/8=8100 . 8 , 4 . 8100 . , 0,8100, 16200, 24300.56700, 64800. , . 16-QAM - , 16200 4- , OFD̖ DVB-T2. QPSK, 64-QAM 256-QAM 2,12 16 , 32000,10800 8100 2, 6 8 [6, 8]. , , QPSK, 16-QAM, 64-QAM 256-QAM.
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DVB-T2 Q- , .