Abstract
Device-to-device (D2D) communication is a promising technology for achieving the vision of next generation of cellular communication network in which D2D communication is known as one of candidates for fifth generation (5G) cellular network technology. By enabling D2D communication, it allows any two user equipment (UE) to communicate directly without going through enhance Node B (eNB) in Orthogonal Frequency Division Multiple Access (OFDMA) based cellular communication networks. However, with the presence of D2D-enabled UE (DUE) in the macrocell area of OFDMA based cellular network, the fundamental problem of interference arises due to radio resources sharing between conventional UE and DUE. This paper evaluates our two previous proposed power controls (namely, Power Control 1 (PC 1) and Power Control 2 (PC 2)) to reduce that interference effect in the uplink transmission of OFDMA based cellular network. The PC 1 and PC 2 methods were based on the estimated current Signal to Interference plus Noise Ratio (SINR) at the point of interest. Extensive simulation has been carried out to observe the effectiveness of the two power control methods compared to the system without power control. The collected performance parameters in the simulation is SINR and analyses its distribution. The simulation results show that both power control methods on the uplink transmissions outperform the system without power control.
Published Version
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