English
Related papers

Related papers: Optical STAR-RIS-Aided VLC Systems: RSMA Versus NO…

200 papers

This paper investigates the optimization of reconfigurable intelligent surface (RIS) in an integrated sensing and communication (ISAC) system. \red{To meet the demand of growing number of devices, power domain non-orthogonal multiple access…

Signal Processing · Electrical Eng. & Systems 2023-09-13 Wanting Lyu , Yue Xiu , Xinyang Li , Songjie Yang , Phee Lep Yeoh , Yonghui Li , Zhongpei Zhang

This paper proposes a novel communication system framework based on a reconfigurable intelligent surface (RIS)-aided integrated sensing, communication, and power transmission (ISCPT) communication system. RIS is used to improve transmission…

Signal Processing · Electrical Eng. & Systems 2024-11-04 Yue Xiu , Yang Zhao , Chenfei Xie , Fatma Benkhelifa , Songjie Yang , Wanting Lyu , Chadi Assi , Ning Wei

A hardware model and a signal model are proposed for dual-sided simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs), where the signal simultaneously incident on both sides of the surface. Based on the…

Signal Processing · Electrical Eng. & Systems 2022-09-13 Jiaqi Xu , Xidong Mu , Joey Tianyi Zhou , Yuanwei Liu

Intelligent reflecting surfaces (IRSs) technology has been considered a promising solution in visible light communication (VLC) systems due to its potential to overcome the line-of-sight (LoS) blockage issue and enhance coverage. Moreover,…

Signal Processing · Electrical Eng. & Systems 2025-04-29 Ahrar N. Hamad , Ahmad Adnan Qidan , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

This paper integrates non-orthogonal multiple access (NOMA) and over-the-air federated learning (AirFL) into a unified framework using one simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS). The STAR-RIS…

Information Theory · Computer Science 2022-07-08 Wanli Ni , Yuanwei Liu , Yonina C. Eldar , Zhaohui Yang , Hui Tian

Reflecting intelligent surfaces (RIS) has gained significant attention due to its high energy and spectral efficiency in next-generation wireless networks. By using low-cost passive reflecting elements, RIS can smartly reconfigure the…

Signal Processing · Electrical Eng. & Systems 2023-04-03 Wali Ullah Khan , Eva Lagunas , Asad Mahmood , Zain Ali , Muhammad Asif Symeon Chatzinotas , Björn Ottersten

A novel framework of the unmanned aerial vehicle (UAV)-mounted active simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) communications with the non-orthogonal multiple access (NOMA) is proposed for…

Signal Processing · Electrical Eng. & Systems 2025-01-07 Jingjing Zhao , Qian Xu , Xidong Mu , Yuanwei Liu , Yanbo Zhu

Rate splitting multiple access (RSMA) is intrinsically amalgamated with simultaneously transmitting and reflecting (STAR) reconfigurable intelligent surfaces (RIS) to enhance energy efficiency (EE) of the finite block length (FBL)…

Signal Processing · Electrical Eng. & Systems 2025-08-04 Mohammad Soleymani , Ignacio Santamaria , Eduard Jorswieck , Robert Schober , Lajos Hanzo

This study explores the synergy between rate-splitting multiple access (RSMA) and simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) as a unified framework to enable ubiquitous, intelligent, and resilient…

Signal Processing · Electrical Eng. & Systems 2025-10-21 Muhammad Asif , Asim Ihsan , Zhu Shoujin , Ali Ranjha , Xingwang Li , Khaled M. Rabie , Symeon Chatzinotas

Reconfigurable intelligent surfaces (RIS) are capable of beneficially ameliorating the propagation environment by appropriately controlling the passive reflecting elements. To extend the coverage area, the concept of simultaneous…

Information Theory · Computer Science 2023-06-16 Qingchao Li , Mohammed El-Hajjar , Yanshi Sun , Ibrahim Hemadeh , Arman Shojaeifard , Yuanwei Liu , Lajos Hanzo

Recently, reconfigurable intelligent surface (RIS) has gained research and development interests to modify wireless channel characteristics in order to improve performance of wireless communications, especially when quality of the…

Information Theory · Computer Science 2022-09-22 Alireza Salehiyan , Mohammad Javad Emadi

This paper investigates the performance of vehicleto-vehicle (V2V) communications assisted by a reconfigurable intelligent surface (RIS) and a simultaneous transmitting and reflecting intelligent omni-surface (STAR-IOS) under nonorthogonal…

Information Theory · Computer Science 2023-09-15 Farshad Rostami Ghadi , Masoud Kaveh , Diego Martin

This paper exploits the potential of reconfigurable intelligent surface (RIS) to improve radar sensing in a non-orthogonal multiple access (NOMA) empowered integrated sensing and communication (NOMA-ISAC) network. The objective is to…

Information Theory · Computer Science 2022-09-29 Jiakuo Zuo , Yuanwei Liu

In this paper, a hybrid non-orthogonal multiple access (NOMA) framework for the simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) enhanced cell-edge communication is investigated. Specifically, one…

Information Theory · Computer Science 2023-07-06 Jiayi Lei , Tiankui Zhang , Yuanwei Liu

The simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is capable of providing full-space coverage of smart radio environments. This work investigates STAR-RIS aided downlink non-orthogonal multiple…

Information Theory · Computer Science 2022-06-22 Ziyi Xie , Wenqiang Yi , Xuanli Wu , Yuanwei Liu , Arumugam Nallanathan

The novel concept of simultaneously transmitting and reflecting (STAR) reconfigurable intelligent surfaces (RISs) is investigated, where the incident wireless signal is divided into transmitted and reflected signals passing into both sides…

Information Theory · Computer Science 2022-09-14 Xidong Mu , Yuanwei Liu , Li Guo , Jiaru Lin , Robert Schober

Visible Light Communication (VLC) is a promising solution to address the growing demand for wireless data, leveraging the widespread use of light-emitting diodes (LEDs) as transmitters. However, its deployment is challenged by link…

Signal Processing · Electrical Eng. & Systems 2025-05-16 Borja Genoves Guzman , Maïté Brandt-Pearce

Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS), which consists of numerous passive elements, has recently emerged in wireless communication systems as a promising technology providing 360$^\circ$…

Signal Processing · Electrical Eng. & Systems 2024-07-12 Hanxiao Ge , Anastasios Papazafeiropoulos , Tharmalingam Ratnarajah

In this article, we investigate the robust beamforming design for a simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided downlink rate-splitting multiple access (RSMA) communication system, where both…

Signal Processing · Electrical Eng. & Systems 2025-08-08 Ziyue Wang , Xiaoyan Ma , Xingyu Peng , Zheao Li , Jinyuan Liu , Yongliang Guan , Chau Yuen

In this paper, we investigate the integration of simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RIS) with rate-splitting multiple access (RSMA) for improving physical layer security (PLS) in integrated…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Thanh Nha To , Hoang Lai Pham , Quynh Nguyen Thi , Tuan Anh Pham , Le Thanh Bang