DMB-T 2004 9
DTTB Digital Television Terrestrial Broadcasting DVB-T ATSC ISDB-T DTTB DMB-TTerrestrial Digital Multimedia/TV Broadcasting DMB-T mqam/qpsk TDSOFDMTime Domain Synchronous Orthogonal Frequency Division Multiplexing DMB-T
...... 1.1... 1.2... 1.3... 1.4... 1.5... 1.6... DMB-T... 2.1 DMB-T... 2.2 DMB-T... 2.3 DMB-T... 2.4 DMB-T... 2.5 DMB-T DVB-T... 2.6 DMB-T MPEG-4AVSIP 16:9... 2.7 DMB-T... 2.8 DMB-T... 2.9 DMB-T...... 3.1... 3.2... 3.3... 3.4 DMB-T... DMB-T... 4.1 DMB-T... 4.2 DMB-T... 4.3 DMB-T... 4.4 DMB-T... 4.5... 4.6 DMB-T DMB-T... 4.7 DMB-T... 4.8 DVB-T DMB-T...
1.1 DTVDigital Television / SDTVStandard Definition Television HDTVHigh Definition Television, 4 20 1.2 1 SDTV DVD HDTV 4 35mm 2 PAL 4 8 3 4 5 1.3 1.4
MPEG MPEG-1 MPEG-2 MPEG-4 DVB DVB-S DVB-C DVB COFDM DVB-T 8VSB ATSC BST-OFDM ISDB-T TDS-OFDM DMB-T DMB-T 1.5 5Mbps 20Mbps 1.6
HDTV 20Mbps SDTV 5Mbps 35 HDTVSDTV / DTTB DTTB DTTB 8 HDTV 20Mbps SDTV 5Mbps 20Mbps
DMB-T 2.1 DMB-T DVD 1999 DMB-T / / / 2001 DMB-T 2002 DMB-T 2.2 DMB-T DMB-T PN TDS-OFDM,, OFDM PN OFDM TDS-OFDM COFDM DVB-T 8VSB ATSC FEC ATSC
, DMB-T MPEG2-TS MPEG-2MPEG-4 DMB-T TS FEC I TPS F F T 1 DMB-T 2.3 DMB-T DMB-T 1DMB-T PN DVB-T DVB-T 10% 2 DMB-T DVB-T 10 3 200ms 1ms 2ms 0.6ms 4 DVB-T 5 500 S
2.4 DMB-T DMB-T DMB-T 40 2002 DMB-T OFDM 2.5 DMB-T DVB-T DVB-T DVB 4K-OFDM DVB-M DVB-X DVB-H DMB-T DVB-T DVB-H DMB-T DVB-T DVB-H DMB-T DVB-T DVB-H DVB-H 1 DMB-T DVB-T DMB-T(4K) DVB-T(2K) DMB-T(4K) DVB-T(8K) QPSK QPSK 64QAM 64QAM 55.56 µs(1/9) 56 µs(1/4) 55.56 µs(1/9) 56 µs(1/16) 5.414 Mbps 4.97 Mbps 24.365 Mbps 23.42 Mbps 0.68 bps/hz 0.62 bps/hz 3.1 bps/hz 2.9 bps/hz C/N AWGN 2 db 4.7 db 18.6 db 18.6 db -97.1 dbm -87.1 dbm -81.0 dbm -78.6 dbm /4.19 db / 1.25 7.65 db / 2.74 22.38 db / 2.74 24.86 db / 12.43 5ms 100ms 5ms 100ms 1 10 1-10 5 ABCDE 2 MPEG 310-6 SNR
2.6 DMB-T MPEG-4AVSIP 16:9 DMB-T MPEG2-TS MPEG-1MPEG-2 AVSMPEG-4H.264IP Windows Media 9 DMB-T 16:9 2.7 DMB-T DMB-T MPEG-2 4.8Mbps 32.4Mbps 20Mbps DMB-T 8MHz 2 2 DMB-T QPSK 16QAM 64QAM 125 s (1/4) 55.6 s (1/9) 4/9 4.8128 Mbps 9.6256 Mbps 14.4384 Mbps 2/3 7.2192 Mbps 14.4384 Mbps 21.6576 Mbps 8/9 9.6256 Mbps 19.2512 Mbps 28.8768 Mbps 4/9 5.4144 Mbps 10.8288 Mbps 16.2432 Mbps 2/3 8.1216 Mbps 16.2432 Mbps 24.3648 Mbps 8/9 10.8288 Mbps 21.6576 Mbps 32.4864 Mbps 2.8 DMB-T MPEG-2 4 5Mbps 3Mbps 1.5Mbps 20Mbps 3
3 DMB-T 5.4 Mbps 16.2 Mbps 24.4 Mbps 192 kbps 500 kbps 2.8 Mbps 1.4 Mbps 512 kbps 128 kbps 1 Mbps 5 700 kbps 192 kbps 12.5 Mbps 5 1 Mbps 1 Mbps 8 128 kbps 1.9 Mbps 10 1 Mbps 20 Mbps 8 192 kbps 20 Mbps 500 kbps 1 1 Mbps 8 1 128 kbps 2.9 DMB-T DMB-T 1 2 3 4
3.1 SFNSingle Frequency Network 3.2 3.3 ATSC 3.4 DMB-T DMB-T TDS-OFDM OFDM DMB-T GPS DMB-T 560ms GPS 1pps
DMB-T DMB-T DMB-T ADSL DMB-T DMB-T 2 DMB-T
DMB-T 4.1 DMB-T 1 2003 DMB-T 28 RS 500 RS DMB-T UBS DMB-T DMB-T 5.414 24.265Mbps DMB-T 2 DMB-T 2004 27CH586MHz 250 50Km 3 2004 6 DMB-T 20 530MHz 9 DMB-T DEV1 DMB-T 1 182 57 DMB-T / 4.2 DMB-T DMB-T 2003 DMB-T DMB-T TCL 8 DMB-T R&SItelco DMB-T DMB-T
4.3 DMB-T 2004 4 DMB-T 1 DMB-T 22003 6 DMB-T 3 DMB-T 4 DMB-T 5 DMB-T 6 DMB-T PCR 7 DMB-T 8DMB-T 24.368Mbps DMB-T 1 DMB-T 2 R&S 3 Itelco DMB-T 4 UBS 5 DMB-T DMB-T 1 DMB-T 2 TCL 15 DMB-T DMB-T 4.4 DMB-T MPEG-2 DMB-T DMB-T GPS MPEG-2 MPEG-2 / / DMB-T DMB-T 3 DMB-T
4 DMB-T MPEG-2 2 1 DMB-T 1 DMB-T 1 1 40 180 4.5 PDA DMB-T DMB-T UPS 15 17 DMB-T 4 4.6 DMB-T DMB-T DVB-T DMB-T DMB-T DVB-T 2dB DMB-T DVB-T DMB-T DMB-T
DMB-T DVB-T 4.7 DMB-T DMB-T GPS DMB-T 5 DMB-T 5 DMB-T DMB-T DMB-T 1 DTV / MPEG-2 / DMB-T GPS DMB-T DMB-T 2 DMB-T GPS DMB-T DMB-T DMB-T N GPS 5 DMB-T
5 DMB-T MPEG-2 M 1.2 26 1 7.5 22 DMB-T 1 8 12 GPS N 2 5 1 0.4 1.5 N-1 1.2 4.5 N-1 N-1 1.2 4.5 DMB-T N 15 35 DMB-T N 3.2 65 N M N N2 2 3 86.8 405.5 4.8 DVB-T DMB-T DVB-T DVD DMB-T DVB-T DMB-T DVB-T DVB-T DMB-T