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The key strategy of this paper is termed as Max-Min power allocation, targeting the maximization of the minimum rate for the NOMA users to enhance the fairness among them. Based on this strategy, the following assumptions can be made:
Assumption 1: For the Max-Min power allocation, we aim to get equal bit rate for all NOMA users.
The validity of Assumption 1 stems from the fairness goal of the Max-Min power allocation approach, and it may achieve a closed-form solution of the optimization problem with the following steps.Please browse by yourself
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