中文
相关论文

相关论文: STAR-RIS-aided NOMA for Secured xURLLC

200 篇论文

Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted non-orthogonal multiple access (NOMA) communication systems are investigated in its vicinity, where a STAR-RIS is deployed within a predefined…

信号处理 · 电气工程与系统科学 2022-06-28 Qiling Gao , Yuanwei Liu , Xidong Mu , Min Jia , Dongbo Li , Lajos Hanzo

The security of confidential information associated with devices in the industrial Internet of Things (IIoT) network is a serious concern. This article focuses on achieving a nonorthogonal multiple access (NOMA)-enabled secure IIoT network…

信息论 · 计算机科学 2023-08-21 Sapna Thapar , Deepak Mishra , Ravikant Saini

This paper investigates the secure transmission in a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted uplink non-orthogonal multiple access system, where the legitimate users send…

信息论 · 计算机科学 2021-11-05 Zheng Zhang , Jian Chen , Yuanwei Liu , Qingqing Wu , Bingtao He , Long Yang

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

This paper investigates the security enhancement of an intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) network, where a distributed IRS enabled NOMA transmission framework is proposed to serve users…

信息论 · 计算机科学 2021-04-16 Zheng Zhang , Jian Chen , Qingqing Wu , Yuanwei Liu , Lu Lv , Xunqi Su

We consider the combination of uplink code-domain non-orthogonal multiple access (NOMA) with massive multiple-input multiple-output (MIMO) and reconfigurable intelligent surfaces (RISs). We assume a setup in which the base station (BS) is…

信息论 · 计算机科学 2022-02-22 Bashar Tahir , Stefan Schwarz , Markus Rupp

As a revolutionary technology, reconfigurable intelligent surface (RIS) has been deemed as an indispensable part of the 6th generation communications due to its inherent ability to regulate the wireless channels. However, passive RIS (PRIS)…

信息论 · 计算机科学 2024-03-19 Xuehua Li , Yingjie Pei , Xinwei Yue , Yuanwei Liu , Zhiguo Ding

The challenges in dense ultra-reliable low-latency communication networks to deliver the required service to multiple devices are addressed by three main technologies: multiple antennas at the base station (MISO), rate splitting multiple…

信号处理 · 电气工程与系统科学 2024-11-08 Eduard Jorswieck , Mohammad Soleymani , Ignacio Santamaria , Jesús Gutiérrez

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

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…

信息论 · 计算机科学 2022-07-08 Wanli Ni , Yuanwei Liu , Yonina C. Eldar , Zhaohui Yang , Hui Tian

This letter investigates secure transmission in an intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) network. Consider a practical eavesdropping scenario with imperfect channel state information of the…

信息论 · 计算机科学 2020-09-02 Zheng Zhang , Lu Lv , Qingqing Wu , Hao Deng , Jian Chen

In this paper, we conduct a theoretical analysis of how to integrate reconfigurable intelligent surfaces (RIS) with cooperative non-orthogonal multiple access (NOMA), considering URLLC. We consider a downlink two-user cooperative NOMA…

信号处理 · 电气工程与系统科学 2024-10-24 Jianchao Zheng , Tuo Wu , Junteng Yao , Chau Yuen , Zhiguo Ding , Fumiyuki Adachi

This paper proposes a new design of non-orthogonal multiple access (NOMA) under secrecy considerations. We focus on a NOMA system where a transmitter sends confidential messages to multiple users in the presence of an external eavesdropper.…

信息论 · 计算机科学 2017-05-25 Biao He , An Liu , Nan Yang , Vincent K. N. Lau

Reconfigurable intelligent surfaces (RISs) bring great potential to the advancement of 6G and beyond wireless communication technologies. RISs introduce a great degree of flexibility, allowing some sort of virtual control over the wireless…

信号处理 · 电气工程与系统科学 2024-01-10 Ali Tugberk Dogukan , Emre Arslan , Ertugrul Basar

A critical concern within the realm of visible light communications (VLC) pertains to enhancing system data rate, particularly in scenarios where the direct line-of-sight (LoS) connection is obstructed by obstacles. The deployment of…

信息论 · 计算机科学 2024-01-08 Omar Maraqa , Sylvester Aboagye , Telex M. N. Ngatched

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…

信号处理 · 电气工程与系统科学 2023-09-13 Wanting Lyu , Yue Xiu , Xinyang Li , Songjie Yang , Phee Lep Yeoh , Yonghui Li , Zhongpei Zhang

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…

信号处理 · 电气工程与系统科学 2025-11-04 Thanh Nha To , Hoang Lai Pham , Quynh Nguyen Thi , Tuan Anh Pham , Le Thanh Bang

In this paper, the physical layer security (PLS) for a novel reconfigurable intelligent surface (RIS)-assisted non-orthogonal multiple access (NOMA) system in a multi-user scenario is investigated, where we consider the worst case that the…

信号处理 · 电气工程与系统科学 2020-08-03 Liang Yang , Yongjie Yuan

Although reconfigurable intelligent surface (RIS) can improve the secrecy communication performance of wireless users, it still faces challenges such as limited coverage and double-fading effect. To address these issues, in this paper, we…

信息论 · 计算机科学 2024-12-10 Yingjie Pei , Wanli Ni , Jin Xu , Xinwei Yue , Xiaofeng Tao , Dusit Niyato

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