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Table 2 SNR for modulation scheme in WiMAX[18, 19]

From: SNR-aware and power-efficient multicast cooperative routing algorithm in wireless networks

Modulation Code rate Achievable data rate (20 MHz) SNR (in dB)
QPSK 1/2 CTC 20 Mbps 8 < SNR ≤ 9.4
QPSK 3/4 CTC 30 Mbps 9.4 < SNR ≤ 11.2
16 QAM 1/2 CTC 40 Mbps 11.2 < SNR ≤ 16.4
16 QAM 3/4 CTC 60 Mbps 16.4 < SNR ≤ 18.2
64 QAM 1/2 CTC 60 Mbps 18.2 < SNR ≤ 22.7
64 QAM 3/4 CTC 90 Mbps 22.7 < SNR
  1. The SNR (in dB) could be calculated as follows.