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Table 1 Transmission parameters of LTE-based 5G terrestrial broadcast and advanced ISDB-T

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

  LTE-based 5G terrestrial broadcast Advanced ISDB-T
Modulation Cyclic prefix-OFDM
Channel bandwidth 5 MHz 6 MHz
Occupied bandwidth 4.5 MHz Normal mode: 5.83 MHz
Compatible mode: 5.57 MHz
Number
of segments
25 resource blocks Normal mode: 35
Compatible mode: 33 + adjusting bands
Bandwidth of segments 180 kHz 167 kHz
FFT size 41,472 8,192 16,384 32,768
Number of carriers 12,150 7,561 15,121 30,241
Carrier spacing 370.37 Hz 771.60 Hz 385.80 Hz 192.90 Hz
Scattered pilot ratio 1/6, 1/12 1/3, 1/6, 1/12, 1/24, 1/48
Carrier modulation QPSK,16QAM, 64QAM, 256QAM (uniform) QPSK, 16QAM, 64QAM, 256QAM, 1024QAM, 4096QAM (uniform, non-uniform)
Number of OFDM symbols per frame 13 224 112 56
Effective OFDM symbol length 2700 µs 1296 µs 2592 µs 5184 µs
Guard interval ratio 1/9 1/4, 1/8, 800/8,192 1/4, 1/8, 1/16, 800/16,384 1/8, 1/16, 1/32, 800/32,768
Inner code Turbo code LDPC code
Outer code N/A BCH code
System SISO SISO, MIMO, MISO