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http://dx.doi.org/10.9708/jksci.2020.25.05.065

Performance Analysis of D2D Power Control To Compensate Channel Estimation Error  

Oh, Changyoon (Dept. of Information and Communication Engineering, Inha Technical College)
Abstract
To improve the performance of D2D power control algorithm proposed in the previous work, three modified D2D power control algorithms are proposed to compensate the channel estimation error. Then, we evaluate the performance of three modified D2D power control algorithms in the channel estimation error environment. In real channel environment, the channel estimation is not perfect. To that end, the impact of imperfect channel estimation on the D2D power control algorithm, which was developed with the assumption of perfect channel estimation, has been analyzed in the previous work. Three modified D2D power control algorithms are based on 1) Retransmission, 2) SIR Margin, and 3) Retransmission and SIR Margin. Simulation results show that the Retransmission and SIR Margin approach shows best performance in the sense of the transmit power consumption and the latency.
Keywords
D2D Communication; Power Control; Retransmission; SIR; Channel Estimation;
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Times Cited By KSCI : 1  (Citation Analysis)
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