Energy-efficient Edge Association in Digital Twin empowered 6G Networks

Abstract

Digital twin (DT) emerges as a promising technology to realize highly reliable and low-latency communication in 6G. The co-evolution between physical devices and their virtual twins in DT technology is crucial that guarantees efficient operation of Digital Twin Edge Networks (DITEN). However, due to the huge amount of data transmitted from physical layer to digital twin layer and the heavy tasks offloading to edge servers, the co-evolution may cause quite heavy energy consumption of user devices and high computation overhead of edge servers. In this paper, we propose a digital twin edge association scheme which integrates digital twins with edge networks to enable low energy consumption and low computation overhead edge association. First, we introduce a DITEN model and define energy-efficient edge association problem. Then, we solve the problem in a Stackelberg Game model approach and give performance evaluation results. Finally, we conclude the paper and discuss future work.