Abstract
In order to improve the performance of wireless communication system, non-orthogonal multiple access (NOMA) technology is introduced to construct a full-duplex relay system model. This paper investigates the optimization throughput problem of non-orthogonal multiple access (NOMA) system with cooperative full duplex relay. Firstly, a full-duplex cooperative relay NOMA system model using decoding and forwarding protocol is established. Considering user fairness and maximum power limitation, the Lagrangian function and KKT conditions are used to obtain the optimal power allocation factor expression, and then the system throughput is maximized through the iterative Lagrangian multiplier. Simulation tests show that the proposed optimization algorithm can effectively improve the system throughput.
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