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相关论文: Secure SWIPT in the Multiuser STAR-RIS Aided MISO …

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Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is a cutting-edge concept for the sixth-generation (6G) wireless networks. In this paper, we propose a novel system that incorporates STAR-RIS with…

In this paper, we propose a simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) and energy buffer aided multiple-input single-output (MISO) simultaneous wireless information and power transfer (SWIPT)…

信息论 · 计算机科学 2024-07-18 Kengyuan Xie , Guofa Cai , Jiguang He , Georges Kaddoum

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)…

信号处理 · 电气工程与系统科学 2025-08-04 Mohammad Soleymani , Ignacio Santamaria , Eduard Jorswieck , Robert Schober , Lajos Hanzo

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

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…

信息论 · 计算机科学 2022-09-14 Xidong Mu , Yuanwei Liu , Li Guo , Jiaru Lin , Robert Schober

Rate-splitting multiple access (RSMA) and reconfigurable intelligent surface (RIS) have been both recognized as promising techniques for 6G. The benefits of combining the two techniques to enhance the spectral and energy efficiency have…

信号处理 · 电气工程与系统科学 2023-01-16 Chengzhong Tian , Yijie Mao , Kangchun Zhao , Yuanming Shi , Bruno Clerckx

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted simultaneous wireless information and power transfer (SWIPT) system is proposed. More particularly, an STAR-RIS is deployed to assist in the…

信息论 · 计算机科学 2024-03-25 Guangyu Zhu , Xidong Mu , Li Guo , Ao Huang , Shibiao Xu

In this paper, we investigate covert communications in a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-aided rate-splitting multiple access (RSMA) system. Under the RSMA principles, the messages…

信息论 · 计算机科学 2023-12-05 Heng Chang , Hai Yang , Shuobo Xu , Xiyu Pang , Hongwu Liu

In a multi-user multi-antenna Simultaneous Wireless Information and Power Transfer (SWIPT) network, the transmitter sends information to the Information Receivers (IRs) and energy to Energy Receivers (ERs) concurrently. A conventional…

信息论 · 计算机科学 2019-07-04 Yijie Mao , Bruno Clerckx , Victor O. K. Li

In this paper, we consider the downlink transmission of a multi-antenna base station (BS) supported by an active simultaneously transmitting and reconfigurable intelligent surface (STAR-RIS) to serve single-antenna users via simultaneous…

Simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) enable full-space coverage but also expose wireless transmissions to security from multiple spatial directions. This paper investigates a…

信息论 · 计算机科学 2026-04-01 Huiyun Xia , Yijie Mao , Sai Xu , Shuai Han , Hongbo Zhu

In this paper, we propose simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted non-orthogonal multiple access (NOMA) networks. The considered STAR-RIS utilizes the mode switching (MS) protocol to…

信息论 · 计算机科学 2023-09-20 Mahmoud Aldababsa , Aymen Khaleel , Ertugrul Basar

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 study a rate-splitting multiple access (RSMA)-based intelligent reflecting surface (IRS)-aided multi-user multiple-input single-output (MISO) secure communication system with a potential eavesdropper (Eve). Aiming to…

信息论 · 计算机科学 2022-11-28 Ying Gao , Qingqing Wu , Wen Chen , Derrick Wing Kwan Ng

We consider a reconfigurable intelligent surface (RIS)-assisted heterogeneous network comprising legitimate information-harvesting receivers (IHRs) and untrusted energy-harvesting receivers (UEHRs). A multi-antenna base station (BS)…

信号处理 · 电气工程与系统科学 2026-03-24 Hamid Reza Hashempour , Le-Nam Tran , Duy H. N. Nguyen , Hien Quoc Ngo

Reconfigurable intelligent surfaces (RISs) achieve high passive beamforming gains for signal enhancement or interference nulling by dynamically adjusting their reflection coefficients. Their employment is particularly appealing for…

信息论 · 计算机科学 2022-12-01 Ming-Min Zhao , Kaidi Xu , Yunlong Cai , Yong Niu , Lajos Hanzo

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted simultaneous wireless information and power transfer (SWIPT) system is investigated. Both active and passive STAR-RISs are considered.…

信息论 · 计算机科学 2024-12-24 Guangyu Zhu , Xidong Mu , Li Guo , Ao Huang , Shibiao Xu

Different from traditional reflection-only reconfigurable intelligent surfaces (RISs), simultaneously transmitting and reflecting RISs (STAR-RISs) represent a novel technology, which extends the half-space coverage to full-space coverage by…

信息论 · 计算机科学 2022-09-20 Jiakuo Zuo , Yuanwei Liu , Zhiguo Ding , Lingyang Song , H. Vincent Poor

In this paper, secure wireless information and power transfer with intelligent reflecting surface (IRS) is proposed for a multiple-input single-output (MISO) system. Under the secrecy rate (SR) and the reflecting phase shifts of IRS…

信号处理 · 电气工程与系统科学 2019-11-05 Weiping Shi , Xiaobo Zhou , Linqiong Jia , Yongpeng Wu , Feng Shu , Jiangzhou Wang

Reconfigurable intelligent surfaces (RISs) can be densely deployed in the environment to create multi-reflection line-of-sight (LoS) links for signal coverage enhancement. However, conventional reflection-only RISs can only achieve…

信号处理 · 电气工程与系统科学 2025-05-21 Bonan An , Weidong Mei , Yuanwei Liu , Dong Wang , Zhi Chen
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