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As mobile augmented reality (MAR) continues to evolve, future 6G networks will play a pivotal role in supporting immersive and personalized user experiences. In this paper, we address the communication service provision problem for…

Image and Video Processing · Electrical Eng. & Systems 2025-03-04 Lulu Sun , Conghao Zhou , Shisheng Hu , Yupeng Zhu , Nan Cheng , Xu Xia

In this paper, we present a digital twin (DT)-assisted adaptive video streaming scheme to enhance personalized quality-of-experience (PQoE). Since PQoE models are user-specific and time-varying, existing schemes based on universal and…

Image and Video Processing · Electrical Eng. & Systems 2022-05-10 Xinyu Huang , Conghao Zhou , Wen Wu , Mushu Li , Huaqing Wu , Xuemin , Shen

This paper puts forth a new, reconfigurable intelligent surface (RIS)-assisted, uplink, user-centric cell-free (UCCF) system managed with the assistance of a digital twin (DT). Specifically, we propose a novel learning framework that…

Signal Processing · Electrical Eng. & Systems 2023-02-13 Yingping Cui , Tiejun Lv , Wei Ni , Abbas Jamalipour

Multicast short video streaming can enhance bandwidth utilization by enabling simultaneous video transmission to multiple users over shared wireless channels. The existing network management schemes mainly rely on the sequential buffering…

Networking and Internet Architecture · Computer Science 2024-01-24 Xinyu Huang , Shisheng Hu , Haojun Yang , Xinghan Wang , Yingying Pei , Xuemin Shen

We propose an alternating optimization framework for maximizing energy efficiency (EE) in reconfigurable intelligent surface (RIS) assisted distributed MIMO (D-MIMO) systems under both coherent and non-coherent reception modes. The…

The applications of Digital Twins (DT) and Generative AI (GenAI) have demonstrated their capabilities in modeling and learning-based wireless communications. However, their joint potential for proactive wireless system design remains…

Signal Processing · Electrical Eng. & Systems 2026-05-12 Afan Ali , Ali Arshad Nasir , Daniel Benevides da Costa

This paper investigates the problem of resource allocation for a wireless communication network with distributed reconfigurable intelligent surfaces (RISs). In this network, multiple RISs are spatially distributed to serve wireless users…

Signal Processing · Electrical Eng. & Systems 2020-05-04 Zhaohui Yang , Mingzhe Chen , Walid Saad , Wei Xu , Mohammad Shikh-Bahaei , H. Vincent Poor , Shuguang Cui

Determining the optimal phase configurations of reconfigurable intelligent surface (RIS) elements typically requires complex channel estimation procedures with high pilot overhead, creating a bottleneck for real-time deployment in…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Ömer Lütfü Karakelle , Sefa Kayraklık , İbrahim Hökelek , Ali Görçin , Halim Yanıkömeroğlu

In this paper, we design a resource management scheme to support stateful applications, which will be prevalent in 6G networks. Different from stateless applications, stateful applications require context data while executing computing…

Networking and Internet Architecture · Computer Science 2022-12-08 Conghao Zhou , Jie Gao , Mushu Li , Xuemin , Shen , Weihua Zhuang

Generative artificial intelligence (GAI) and digital twin (DT) are advanced data processing and virtualization technologies to revolutionize communication networks. Thanks to the powerful data processing capabilities of GAI, integrating it…

Networking and Internet Architecture · Computer Science 2024-04-09 Xinyu Huang , Haojun Yang , Conghao Zhou , Mingcheng He , Xuemin Shen , Weihua Zhuang

Reconfigurable Intelligent Surface (RIS) has emerged as one of the key technologies for 6G in recent years, which comprise a large number of low-cost passive elements that can smartly interact with the impinging electromagnetic waves for…

Networking and Internet Architecture · Computer Science 2020-09-02 Baoling Sheen , Jin Yang , Xianglong Feng , Md Moin Uddin Chowdhury

Task scheduling is a critical problem when one user offloads multiple different tasks to the edge server. When a user has multiple tasks to offload and only one task can be transmitted to server at a time, while server processes tasks…

Machine Learning · Computer Science 2022-08-05 Xiucheng Wang , Longfei Ma , Haocheng Li , Zhisheng Yin , Tom. Luan , Nan Cheng

A novel paradigm of mobile edge generation (MEG)-enabled digital twin (DT) is proposed, which enables distributed on-device generation at mobile edge networks for real-time DT applications. First, an MEG-DT architecture is put forward to…

Signal Processing · Electrical Eng. & Systems 2024-10-16 Xiaoxia Xu , Ruikang Zhong , Xidong Mu , Yuanwei Liu , Kaibin Huang

Reconfigurable intelligent surfaces (RISs) are envisioned to play a key role in future wireless communication networks. However, channel estimation in RIS-aided wireless networks is challenging due to their passive nature and the large…

Signal Processing · Electrical Eng. & Systems 2024-06-21 Sadjad Alikhani , Ahmed Alkhateeb

Reconfigurable intelligent surface (RIS) is a new and revolutionary technology to achieve spectrum-, energy- and cost-efficient wireless networks. This paper studies the resource allocation for RIS-empowered device-to-device (D2D)…

Information Theory · Computer Science 2020-07-21 Gang Yang , Yating Liao , Ying-Chang Liang , Olav Tirkkonen

In this paper, we propose a digital agent (DA)-assisted resource management scheme for enhanced user quality of experience (QoE) in integrated sensing and communication (ISAC) networks. Particularly, user QoE is a comprehensive metric that…

Systems and Control · Electrical Eng. & Systems 2025-07-10 Xinyu Huang , Yixiao Zhang , Yingying Pei , Jianzhe Xue , Xuemin Shen

Digital Twin (DT) is a transformative technology poised to revolutionize a wide range of applications. This advancement has led to the emergence of digital twin as a service (DTaaS), enabling users to interact with DT models that accurately…

Networking and Internet Architecture · Computer Science 2025-05-23 Yuxiang Li , Jiayuan Chen , Changyan Yi

In this paper, we employ deep reinforcement learning to develop a novel radio resource allocation and packet scheduling scheme for different Quality of Service (QoS) requirements applicable to LTEadvanced and 5G networks. In addition,…

Signal Processing · Electrical Eng. & Systems 2020-08-18 Mahdi Nouri Boroujerdi , Mohammad Akbari , Roghayeh Joda , Mohammad Ali Maddah-Ali , Babak Hossein Khalaj

Optimizing modern wireless networks is exceptionally challenging due to their high dynamism and complexity. While the agentic artificial intelligence (AI) powered by reinforcement learning (RL) offers a promising solution, its practical…

Systems and Control · Electrical Eng. & Systems 2025-11-26 Zhenyu Tao , Wei Xu , Xiaohu You

Distributed Artificial Intelligence-Generated Content (AIGC) has attracted significant attention, but two key challenges remain: maximizing subjective Quality of Experience (QoE) and improving energy efficiency, which are particularly…

Networking and Internet Architecture · Computer Science 2025-04-24 Hongyang Du , Ruichen Zhang , Dusit Niyato , Jiawen Kang , Zehui Xiong , Shuguang Cui , Xuemin Shen , Dong In Kim
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