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- 20 -
CCS-2 2001
Transmission parameters for DVB-T
at a bandwidth of 8 MHz
Transmission mode
2k
4k
8k
Symbol duration T
S
[µs]
224
448
896
Carrier space
∆
f [kHz]
4.4643
2.232
1.116
(n
carrier
)
theoretical
2048
4096
8192
(n
carrier
)
real
1705
3410
6817
Used bandwidth [MHz]
7.61
7.61
7.61
Total symbol duration
T
GS
[µs]
280 262 238 231 560 504 476 462 1120 1008 952 924
Guard interval T
G
[µs]
56
28
14
7
112
56
28
14 224 112 56
28
T
G
/ T
S
1
/
4
1
/
8
1
/
16
1
/
32
1
/
4
1
/
8
1
/
16
1
/
32
1
/
4
1
/
8
1
/
16
1
/
32
Transmission parameters for DVB-T
at a bandwidth of 7 MHz
Transmission mode
2k
4k
8k
Symbol duration T
S
[µs]
224
448
896
Carrier space
∆
f [kHz]
4.4643
2.232
1.116
(n
carrier
)
theoretical
2048
4096
8192
(n
carrier
)
real
1705
3410
6817
Used bandwidth [MHz]
6.66
6.66
6.66
Total symbol duration
T
GS
[µs]
320 288 272 264 620 576 544 528 1280 1152 1088 1056
Guard interval T
G
[µs]
64
32
16
8
128
64
32
16 256 128 64
32
T
G
/ T
S
1
/
4
1
/
8
1
/
16
1
/
32
1
/
4
1
/
8
1
/
16
1
/
32
1
/
4
1
/
8
1
/
16
1
/
32
Transmission parameters for DVB-T
at a bandwidth of 6 MHz
Transmission mode
2k
4k
8k
Symbol duration T
S
[µs]
224
448
896
Carrier space
∆
f [kHz]
4.4643
2.232
1.116
(n
carrier
)
theoretical
2048
4096
8192
(n
carrier
)
real
1705
3410
6817
Used bandwidth [MHz]
5.71
5.71
5.71
Total symbol duration
T
GS
[µs]
373 336 317 308 767 672 634 616 1493 1344 1269 1232
Guard interval T
G
[µs]
74.7 37.3 18.7 9.3 149
75 37.4 18.6 298.7149.3 74.6 37.3
T
G
/ T
S
1
/
4
1
/
8
1
/
16
1
/
32
1
/
4
1
/
8
1
/
16
1
/
32
1
/
4
1
/
8
1
/
16
1
/
32