Performance analysis of short-packet communication system based on 1RS-NOMA
In order to reveal the transmission performance of short-packet data in intelligent reflec-ting surface(IRS)and non-orthogonal multiple access(NOMA)technology-assisted communication systems,the performance of short packet communication system is deeply studied.By utilizing the theory of short-packet communication and the first-order Riemann integral,the analytical results of the average block error rate(BLER)at the near user and the far user under the ideal phase shift and the case of 1 bit phase error for the IRS are obtained.The system throughput performance is further analyzed based on the expression of BLER.The correctness of the theoretical analysis is verified by Monte-Carlo simulation.The simulation results show that both increasing the number of reflecting elements and increasing the signal-to-noise ratio can significantly improve the reliability of short-packet transmission,and the effects of phase error on BLER and throughput can not be neglected.
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