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IEEE/ICACT20240369 Slide.20        [Big Slide]       [YouTube]	Oral Presentation
	Fig. 4 depicts the minimum bit rates of NOMA users for OPA policy with different modulation modes and QoS constraints of V0 considering three NOMA users, we use the appropriate channel coding scheme respectively. It is seen that the case of 16QAM outperforms the case of 4QAM since it transmits more bits per symbol. As the QoS constraints of V0 intensify (continuously increasing with R0), the minimum rate for NOMA users diminishes due to increased power allocation for QoS of V0. In the low SNR regions, this depletes the power of the NOMA users, which further impacts the accuracy and performance of SIC. When without rate constraints for V0, the high-speed user will not influence power allocation, the NOMA usersĄŻ rates peaked.

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