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Table 9 Threshold of visibility (TOV) of optimized transmission parameters for an 8-MHz bandwidth

From: A study of development of transmission systems for next-generation terrestrial 4 K UHD and HD convergence broadcasting

Parameter no. AWGN TU-6 (70 km/h) TU-6 (140 km/h) TU-6 (210 km/h)
4 K UHD layer
1 20.9 dB 26.4 dB 26.2 dB 26.1 dB
2 20.9 dB 25.4 dB 25.8 dB 26.3 dB
3 19.5 dB 24.2 dB 24.0 dB 24.3 dB
4 20.9 dB 26.8 dB 27.9 dB X
5 19.5 dB 24.3 dB 24.6 dB 28.1 dB
HD layer
1 9.0 dB 16.0 dB 13.8 dB 14.1 dB
2 9.0 dB 13.9 dB 14.4 dB 13.9 dB
3 7.6 dB 12.9 dB 12.3 dB 11.4 dB
4 9.0 dB 14.2 dB 13.9 dB 14.5 dB
5 7.6 dB 12.8 dB 12.4 dB 12.2 dB