WCSE

Fast Joint Power Control Algorithm for D2D Communication System

Abstract— D2D (Device to device) communication is a key technology of 5G which allows two end users in similar positions to communicate with each other directly by multiplexing the resources of cellular users. It can improve spectrum utilization and access rate of the cellular system while reducing the burden of the network. However, the sharing of spectrum resources will bring co-channel interference to the system, and the 5G standard raises new requirement of communication latency, new interference suppression method with good real-time performance is urgently needed. In this paper, based on joint power control algorithm, a fast joint power control algorithm is proposed, it increases the flexibility of the power adjustment by improving the calculation of power adjustment step size. In 1addition to reducing the co-channel interference in the system, the new method can satisfy User’s QoE (Quality of Experience) rapidly while ensuring the stability of it. Experimental simulation shows that the fast joint power control algorithm can reduce the power adjustment iterations while improve the throughput of cellular system, it improves algorithm speed and the signaling resources can be saved.

Index Terms— D2D communication, power control, throughput, adjustment speed.

Qinyang Zhou
Beijing University of Posts and Telecommunications
Haiqing Du
Beijing Laboratory of Advanced Information Networks
Yong Liu
Beijing University of Posts and Telecommunications

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Cite: Qinyang Zhou, Haiqing Du, Yong Liu, " Fast Joint Power Control Algorithm for D2D Communication System, " WCSE 2022 Spring Event: 2022 9th International Conference on Industrial Engineering and Applications, pp. 622-631, Sanya, China, April 15-18, 2022.