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eess.SP2025
Active IRS Assisted Joint Uplink and Downlink Communications
Qiaoyan Peng, Qingqing Wu, Guangji Chen +2
In this paper, we investigate an intelligent reflecting surface (IRS) aided wireless communication system, where active IRSs (AIRSs) are deployed to assist communication between a…
eess.SP2023
Intelligent Reflecting Surface Aided Multi-Tier Hybrid Computing
Yapeng Zhao, Qingqing Wu, Guangji Chen +5
The digital twin edge network (DITEN) aims to integrate mobile edge computing (MEC) and digital twin (DT) to provide real-time system configuration and flexible resource allocation…
eess.SP2019
Analysis and Optimization of Random Cache in Multi-Antenna HetNets with Interference Nulling
Kangda Zhi, Guangji Chen, Ling Qiu +2
From the perspective of statistical performance, this paper presents a framework for the per-user throughput analysis in random cache based multi-antenna heterogeneous networks (He…