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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

A hardware model for active simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) is proposed consisting of reflection-type amplifiers. The amplitude gains of the STAR element are derived for both…

信号处理 · 电气工程与系统科学 2023-02-10 Jiaqi Xu , Jiakuo Zuo , Joey Tianyi Zhou , Yuanwei Liu

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…

信号处理 · 电气工程与系统科学 2022-09-13 Jiaqi Xu , Xidong Mu , Joey Tianyi Zhou , Yuanwei Liu

In this paper, a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-aided downlink non-orthogonal multiple access (NOMA) Terahertz (THz) wireless system is proposed for indoor and outdoor transmissions.…

信号处理 · 电气工程与系统科学 2026-04-07 Ngoc Phuc Le , Mohamed-Slim Alouini

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

In this paper, the queue-aware simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RIS) assisted non-orthogonal multiple access (NOMA) communication system is investigated to ensure the system stability,…

信息论 · 计算机科学 2022-02-28 Nannan Zhang , Yuanwei Liu , Xidong Mu , Wei Wang

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, 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

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

This paper considers communication between a base station (BS) to two users, each from one side of a simultaneously transmitting-reflecting reconfigurable intelligent surface (STAR-RIS) in the absence of a direct link. Rate-splitting…

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted downlink (DL) active and uplink (UL) backscatter communication (BackCom) framework is proposed. More particularly, a full-duplex (FD) base…

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

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted wireless powered communication network (WPCN) is proposed, where two energy-limited devices first harvest energy from a hybrid access point…

信息论 · 计算机科学 2024-10-03 Guangyu Zhu , Xidong Mu , Li Guo , Ao Huang , Shibiao Xu

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

This paper proposes a simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided wireless-powered non-orthogonal multiple access (NOMA) system, which includes an access point (AP), a STAR-RIS, and two…

信息论 · 计算机科学 2023-01-24 Kengyuan Xie , Guofa Cai , Georges Kaddoum , Jiguang He

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…

信息论 · 计算机科学 2023-07-06 Jiayi Lei , Tiankui Zhang , Yuanwei Liu

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

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

Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is a promising technology to achieve full-space coverage. This paper investigates the resource allocation problem in a STAR-RIS-assisted multi-carrier…

信息论 · 计算机科学 2021-11-09 Chenyu Wu , Xidong Mu , Yuanwei Liu , Xuemai Gu , Xianbin Wang

A simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) enhanced uplink non-orthogonal multiple access (NOMA) communication system is proposed. A total power consumption minimization problem is…

信息论 · 计算机科学 2021-11-04 Jiakuo Zuo , Yuanwei Liu , Zhiguo Ding , Xianbin Wang

We provide an analytical characterization of the coverage region of simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-aided two-user downlink communication systems. The cases of orthogonal multiple…

信息论 · 计算机科学 2023-06-02 Farshad Rostami Ghadi , F. Javier Lopez-Martinez , Kai-Kit Wong
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