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相关论文: Optical STAR-RIS-Aided VLC Systems: RSMA Versus NO…

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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

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…

信号处理 · 电气工程与系统科学 2023-10-16 Hancheng Zhu , Yuanwei Liu , Yik Chung Wu , Vincent K. N. Lau

Different with conventional reconfigurable intelligent surface (RIS), simultaneous transmitting and reflecting RIS (STAR-RIS) can reflect and transmit the signals to the receiver. In this paper, to serve more ground users and increase the…

信息论 · 计算机科学 2023-05-23 Baihua Shi , Yang Wang , Danqi Li , Wenlong Cai , Jinyong Lin , Shuo Zhang , Weiping Shi , Shihao Yan , Feng Shu

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

Reconfigurable intelligent surface (RIS) has emerged as a cost-effective solution to improve wireless communication performance through just passive reflection. Recently, the concept of simultaneously transmitting and reflecting RIS…

信息论 · 计算机科学 2023-11-27 Anastasios Papazafeiropoulos , Pandelis Kourtessis , Symeon Chatzinotas

An intelligent reflecting surface (IRS) consists of a large number of low-cost reflecting elements, which can steer the incident signal collaboratively by passive beamforming. This way, IRS reconfigures the wireless environment to boost the…

信息论 · 计算机科学 2020-10-01 M. Zeng , X. Li , G. Li , W. Hao , O. A. Dobre

The sum-rate performance of simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted full-duplex (FD) communication systems is investigated. The reflection and transmission coefficients of STAR-RIS…

Non-orthogonal multiple access (NOMA) has become a promising technology for next-generation wireless communications systems due to its capability to provide access for multiple users on the same resource. In this paper, we consider an…

信息论 · 计算机科学 2024-07-25 Azadeh Tabeshnezhad , A. Lee Swindlehurst , Tommy Svensson

Rapidly increasing demand for high speed data is pushing 6G wireless networks to support larger link scales, lower latency, and higher spectral efficiency. Visible light communications (VLC) is a strong complement to radio frequency (RF)…

信号处理 · 电气工程与系统科学 2025-10-24 Xuesong Wang

Integrated sensing and communication (ISAC) is expected to play a prominent role among emerging technologies in future wireless communications. In particular, a communication radar coexistence system is degraded significantly by mutual…

信息论 · 计算机科学 2024-04-26 Anastasios Papazafeiropoulos , Pandelis Kourtessis , Symeon Chatzinotas

This paper investigates a flexible intelligent metasurface (FIM)-enabled wireless communication system that integrates simultaneously transmitting and reflecting beyond diagonal reconfigurable intelligent surfaces (STAR-BD-RIS) with…

信号处理 · 电气工程与系统科学 2026-04-23 Armin Farhadi , Maryam Cheraghy , Eduard Jorswieck

The ever-increasing demand for high data-rate applications and the proliferation of connected devices pose several theoretical and technological challenges for the fifth generation (5G) networks and beyond. Among others, this includes the…

信息论 · 计算机科学 2019-11-18 Rangeet Mitra , Paschalis. C. Sofotasios , Vimal Bhatia , Sami Muhaidat

The rise of intelligent reflecting surfaces (IRSs) is opening the door for unprecedented capabilities in visible light communication (VLC) systems. By controlling light propagation in indoor environments, it is possible to manipulate the…

信息论 · 计算机科学 2022-11-18 Hanaa Abumarshoud , Cheng Chen , Iman Tavakkolnia , Harald Haas , Muhammad Ali Imran

This letter investigates the bit error rate (BER) performance of simultaneous transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) in non-orthogonal multiple access (NOMA) networks. In the investigated network, a…

信息论 · 计算机科学 2022-06-01 Mahmoud Aldababsa , Aymen Khaleel , Ertugrul Basar

Power-domain non-orthogonal multiple access (NOMA) has become a promising technology to exploit the new dimension of the power domain to enhance the spectral efficiency of wireless networks. However, most existing NOMA schemes rely on the…

信号处理 · 电气工程与系统科学 2020-03-24 Min Fu , Yong Zhou , Yuanming Shi , Khaled B. Letaief

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

The development of sixth-generation (6G) communication technologies is confronted with the significant challenge of spectrum resource shortage. To alleviate this issue, we propose a novel simultaneously transmitting and reflecting…

信号处理 · 电气工程与系统科学 2024-12-03 Haochen Li , Yuanwei Liu , Xidong Mu , Yue Chen , Zhiwen Pan , Xiaohu You

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided near-field multiple-input multiple-output (MIMO) communication framework is proposed. A weighted sum rate maximization problem for the joint…

信号处理 · 电气工程与系统科学 2024-12-11 Li Haochen , Yuanwei Liu , Xidong Mu , Yue Chen , Pan Zhiwen

This paper proposes a novel framework of resource allocation in multi-cell intelligent reflecting surface (IRS) aided non-orthogonal multiple access (NOMA) networks, where an IRS is deployed to enhance the wireless service. The problem of…

信号处理 · 电气工程与系统科学 2020-11-16 Wanli Ni , Xiao Liu , Yuanwei Liu , Hui Tian , Yue Chen

Integrated sensing and communication (ISAC) has become a promising technology for future communication system. In this paper, we consider a millimeter wave system over high mobility scenario, and propose a novel simultaneous transmission…

信号处理 · 电气工程与系统科学 2024-03-19 Muye Li , Shun Zhang , Yao Ge , Zan Li , Feifei Gao , Pingzhi Fan