International Journal of Antennas and Propagation

Research Article

Power Management in Multiuser Adaptive Modulation Transmission under QoS Requirements

Table 2

QoS requirements and SNR thresholds for all users.
User index SER Modulation type SNR threshold (dB)
User 1 10−3BPSK 6.79
User 2 10−3QPSK 10.34
User 3 10−4QPSK 11.80
User 4 10−38QAM 14.21
User 5 10−38QAM 14.21
User 6 10−48QAM 15.62
User 7 10−58QAM 16.69
User 8 10−316QAM 17.62
User 9 10−416QAM 19.00
User 10 10−516QAM 20.06