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This paper investigates the problem of resource efficiency maximization in an active simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted communication system under practical transceiver hardware…

Signal Processing · Electrical Eng. & Systems 2025-09-09 Ao Huang , Xidong Mu , Li Guo , Guangyu Zhu

Integrated sensing and communication (ISAC) is recognized as one of the key enabling technologies for sixth-generation (6G) wireless communication networks, facilitating diverse emerging applications and services in an energy and…

Information Theory · Computer Science 2025-03-04 Zehra Yigit , Ertugrul Basar

Mobile edge computing (MEC) has been regarded as a promising technique to support latencysensitivity and computation-intensive serves. However, the low offloading rate caused by the random channel fading characteristic becomes a major…

Information Theory · Computer Science 2024-03-22 Hao Xie , Dong Li , Bowen Gu

Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) provides a promising way to expand coverage in wireless communications. However, limitation of single STAR-RIS inspire us to integrate the concept of…

Machine Learning · Computer Science 2024-07-29 Pei-Hsiang Liao , Li-Hsiang Shen , Po-Chen Wu , Kai-Ten Feng

Reconfigurable intelligent surface (RIS) has emerged as a promising technology for achieving high spectrum and energy efficiency in future wireless communication networks. In this paper, we investigate an RIS-aided single-cell multi-user…

Information Theory · Computer Science 2021-05-04 Zhiyang Li , Ming Chen , Zhaohui Yang , Jingwen Zhao , Yinlu Wang , Jianfeng Shi , Chongwen Huang

This article proposes a novel strategy for enhancing secure wireless communication through the use of a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) in a multiple-input single-output system. In…

Systems and Control · Electrical Eng. & Systems 2024-10-02 Zahra Rostamikafaki , Francois Chan , Claude D'Amours

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-aided near-field integrated sensing, communication, and power transfer (ISCPT) framework is proposed. We formulate a robust harvested power…

Signal Processing · Electrical Eng. & Systems 2026-05-18 Zahra Rostamikafaki , Francois Chan , Claude D'Amours

The reconfigurable intelligent surface (RIS) technology for metasurfaces is ushering in a new paradigm for wireless communication systems. It provides an accessible way for controlling the interaction between electromagnetic waves with the…

Signal Processing · Electrical Eng. & Systems 2026-01-21 P. H. C. de Souza , M. Khazaee , L. L. Mendes

Simultaneous transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) has been considered as a promising auxiliary device to enhance the performance of the wireless network, where users located at the different sides of…

Information Theory · Computer Science 2021-12-01 Yi Guo , Fang Fang , Donghong Cai , Zhiguo Ding

The ever-growing popularity and rapid improving of artificial intelligence (AI) have raised rethinking on the evolution of wireless networks. Mobile edge computing (MEC) provides a natural platform for AI applications since it is with rich…

Information Theory · Computer Science 2020-12-29 Shanfeng Huang , Shuai Wang , Rui Wang , Miaowen Wen , Kaibin Huang

Simultaneously transmitting and reflecting (STAR) reconfigurable intelligent surface (RIS), which serves users located on both sides of the surface, has recently emerged as a promising enhancement to the traditional reflective only RIS. Due…

Signal Processing · Electrical Eng. & Systems 2023-10-16 Hancheng Zhu , Yuanwei Liu , Yik Chung Wu , Vincent K. N. Lau

Aerial simultaneous transmitting and reflecting reconfigurable intelligent surfaces (STAR-RIS) enables full-space coverage in dynamic wireless networks. However, most existing works assume fixed user grouping, overlooking the fact that…

Systems and Control · Electrical Eng. & Systems 2026-03-19 Zhuoyuan Ma , Qi Zhao , Jin Zhang , Bai Yan

Edge caching can effectively reduce backhaul burden at core network and increase quality-ofservice at wireless edge nodes. However, the beneficial role of edge caching cannot be fully realized when the offloading link is in deep fade.…

Information Theory · Computer Science 2020-11-10 Yingyang Chen , Miaowen Wen , Ertugrul Basar , Yik-Chung Wu , Li Wang , Weiping Liu

Space information networks (SIN) are facing an ever-increasing thirst for high-speed and high-capacity seamless data transmission due to the integration of ground, air, and space communications. However, this imposes a new paradigm on the…

Networking and Internet Architecture · Computer Science 2021-06-09 Xuelin Cao , Bo Yang , Chongwen Huang , Chau Yuen , Yan Zhang , Dusit Niyato , Zhu Han

Vertical federated learning (FL) is a critical enabler for distributed artificial intelligence services in the emerging 6G era, as it allows for secure and efficient collaboration of machine learning among a wide range of Internet of Things…

Information Theory · Computer Science 2023-01-16 Xiangyu Zeng , Yijie Mao , Yuanming Shi

This work lies at the intersection of two cutting edge technologies envisioned to proliferate in future 6G wireless systems: Multi-access Edge Computing (MEC) and Reconfigurable Intelligent Surfaces (RISs). While the former will bring a…

Recently, simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) have received significant research interest. The employment of large STAR-RIS and high-frequency signaling inevitably make the near-field…

Information Theory · Computer Science 2023-06-27 Haochen Li , Yuanwei Liu , Xidong Mu , Yue Chen , Zhiwen Pan , Yonina C. Eldar

This paper investigates a multi-user uplink mobile edge computing (MEC) network, where the users offload partial tasks securely to an access point under the non-orthogonal multiple access policy with the aid of a reconfigurable intelligent…

Information Theory · Computer Science 2025-07-23 Tong-Xing Zheng , Xinji Wang , Xin Chen , Di Mao , Jia Shi , Cunhua Pan , Chongwen Huang , Haiyang Ding , Zan Li

The ever-growing popularity and rapid improving of artificial intelligence (AI) have raised rethinking on the evolution of wireless networks. Mobile edge computing (MEC) provides a natural platform for AI applications since it provides rich…

Information Theory · Computer Science 2021-02-08 Shanfeng Huang , Shuai Wang , Rui Wang , Miaowen Wen , Kaibin Huang

In this paper, we investigate simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RIS), which enables to communicate with users both sides by transmitting signals to users forward and reflecting signals to…

Information Theory · Computer Science 2021-12-14 Ruitianyi Lu , Kehao Wang