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相关论文: Sum Rate Maximization in STAR-RIS Assisted Full-Du…

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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…

信息论 · 计算机科学 2021-12-14 Ruitianyi Lu , Kehao Wang

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided communication system is investigated, where an access point sends information to two users located on each side of the STAR-RIS. Different from…

信息论 · 计算机科学 2022-09-14 Yuanwei Liu , Xidong Mu , Robert Schober , H. Vincent Poor

In this letter, we propose to employ reconfigurable intelligent surfaces (RISs) for enhancing the D2D underlaying system performance. We study the joint power control, receive beamforming, and passive beamforming for RIS assisted D2D…

信号处理 · 电气工程与系统科学 2025-03-13 Yashuai Cao , Tiejun Lv

Reconfigurable intelligent surfaces (RIS) as an effective technique for intelligently manipulating channel paths through reflection to serve desired users. Full-duplex (FD) systems, enabling simultaneous transmission and reception from a…

信息论 · 计算机科学 2023-11-08 Li-Hsiang Shen , Chia-Jou Ku , Kai-Ten Feng

In contrast to conventional reconfigurable intelligent surface (RIS), simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) has been proposed recently to enlarge the serving area from 180o to 360o coverage.…

信息论 · 计算机科学 2024-01-02 Abdelhamid Salem , Kai-Kit Wong , Chan-Byoung Chae , Yangyang Zhang

The technology of Reconfigurable Intelligent Surfaces (RISs) has lately attracted considerable interest from both academia and industry as a low-cost solution for coverage extension and signal propagation control. In this paper, we study…

信息论 · 计算机科学 2022-08-03 Konstantinos D. Katsanos , Paolo Di Lorenzo , George C. Alexandropoulos

Reconfigurable intelligent surface (RIS) has been envisioned as a key technology in future wireless communication networks to enable smart radio environment. To further enhance the passive beamforming capability of RIS, beyond diagonal…

信号处理 · 电气工程与系统科学 2025-09-22 Ziang Liu , Hongyu Li , Bruno Clerckx

In this paper, we propose an active reconfigurable intelligent surface (RIS) enabled hybrid relaying scheme for a multi-antenna wireless powered communication network (WPCN), where the active RIS is employed to assist both wireless energy…

信息论 · 计算机科学 2023-01-06 Jie Jiang , Bin Lyu , Pengcheng Chen , Zhen Yang

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…

系统与控制 · 电气工程与系统科学 2024-10-02 Zahra Rostamikafaki , Francois Chan , Claude D'Amours

Simultaneous wireless information and power transfer (SWIPT) is an effective energy-saving technology, but its efficiency is hindered by environmental factors. The introduction of reconfigurable intelligent surfaces (RIS) has alleviated…

网络与互联网体系结构 · 计算机科学 2024-03-18 Junlong Yang

In this paper, the problem of sum-rate maximization for an active reconfigurable intelligent surface (RIS) assisted downlink rate-splitting multiple access (RSMA) transmission system is studied. In the considered model, the active RIS is…

信息论 · 计算机科学 2023-01-31 Xinhao Li , Tao Wang , Haonan Tong , Zhaohui Yang , Yijie Mao , Changchuan Yin

In this work, we unveil the advantages of synergizing cooperative rate splitting (CRS) with user relaying and simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR RIS). Specifically, we propose a novel STAR…

信息论 · 计算机科学 2024-04-16 Kangchun Zhao , Yijie Mao , Yuanming Shi

The secure transmission of the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided communication system is investigated. Considering the coupled phase shifts of STAR-RISs and the fair secrecy…

信息论 · 计算机科学 2022-08-23 Zheng Zhang , Zhaolin Wang , Yuanwei Liu , Bingtao He , Lu Lv , Jian Chen

We explore the potential of a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) to enhance the performance of wireless surveillance systems. The STAR-RIS is deployed between a full-duplex (FD)…

信息论 · 计算机科学 2024-02-05 Fatemeh Jafarian , Mehrdad Ardebilipour , Mohammadali Mohammadi , Michail Matthaiou

In this paper, we propose a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) empowered transmission scheme for symbiotic radio (SR) systems to make more flexibility for network deployment and enhance…

信息论 · 计算机科学 2023-04-21 Chao Zhou , Bin Lyu , Youhong Feng , Dinh Thai Hoang

In this work, we investigate a novel simultaneous transmission and reflection reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output downlink system, where three practical transmission protocols, namely, energy…

信息论 · 计算机科学 2021-06-18 Hehao Niu , Zheng Chu , Fuhui Zhou , Pei Xiao , Naofal Al-Dhahir

In this paper, a novel concept called simultaneously transmitting and reflecting RIS (STAR-RIS) is introduced into the wireless-powered mobile edge computing (MEC) systems to improve the efficiency of energy transfer and task offloading.…

信息论 · 计算机科学 2022-08-31 Xintong Qin , Zhengyu Song , Tianwei Hou , Wenjuan Yu , Jun Wang , Xin Sun

This paper investigates the multi-antenna covert communications assisted by a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS). In particular, to shelter the existence of covert communications between…

信息论 · 计算机科学 2023-05-10 Han Xiao , Xiaoyan Hu , Pengcheng Mu , Wenjie Wang , Tong-Xing Zheng , Kai-Kit Wong , Kun Yang

In this paper, we investigate the resource allocation design for intelligent reflecting surface (IRS)-assisted full-duplex (FD) cognitive radio systems. In particular, a secondary network employs an FD base station (BS) for serving multiple…

信息论 · 计算机科学 2020-03-18 Dongfang Xu , Xianghao Yu , Yan Sun , Derrick Wing Kwan Ng , Robert Schober

A simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided integrated sensing and communication (ISAC) dual-secure communication system is studied in this paper. The sensed target and legitimate users…

信号处理 · 电气工程与系统科学 2024-02-28 Zhengyu Zhu , Mengfei Gong , Gangcan Sun , Peijia Liu , De Mi