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 |