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Table 4 Parameter sets for experiments

From: Performance evaluation of MIMO broadcast systems for advanced digital terrestrial TV

  Parameter set
SISO (reference) MIMO
No. 1 (scenario 1) No. 2 (scenario 2) No. 3 (scenario 3)
Occupied bandwidth Normal mode: 5.83 MHz
Number of segments Normal mode: 35
(31 segments used for fixed reception evaluation)
FFT size 16,384
Scattered pilot ratio 1/12 1/24
Carrier modulation 256QAM
Non-uniform
16QAM
Non-uniform
256QAM
Non-uniform
1024QAM
Non-uniform
Guard interval ratio (duration) 800/16,384 (126 µsec)
Inner code rate 12/16 11/16
System SISO (horizontal) MIMO (open-loop spatial multiplexing 2 × 2 cross-polarized)
Transmission capacity (31 segments) 26.1 Mbps 26.1 Mbps 52.3 Mbps 62.8 Mbps