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Related papers: NOMA for STAR-RIS Assisted UAV Networks

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Simultaneously reflecting and transmitting reconfigurable intelligent surfaces (STAR-RIS) has recently emerged as prominent technology that exploits the transmissive property of RIS to mitigate the half-space coverage limitation of…

Signal Processing · Electrical Eng. & Systems 2024-04-01 Muhammad Faraz Ul Abrar , Muhammad Talha , Rafay Iqbal Ansari , Syed Ali Hassan , Haejoon Jung

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…

Information Theory · Computer Science 2022-07-08 Wanli Ni , Yuanwei Liu , Yonina C. Eldar , Zhaohui Yang , Hui Tian

In order to overcome the inherent latency in multi-user unmanned aerial vehicle (UAV) networks with orthogonal multiple access (OMA). In this paper, we investigate the UAV enabled uplink non-orthogonal multiple access (NOMA) network, where…

Signal Processing · Electrical Eng. & Systems 2019-08-27 Jinhui Lu , Yuntian Wang , Tingting Liu , Zhihong Zhuang , Xiaobo Zhou , Feng Shu , Zhu Han

Simultaneously transmitting/refracting and reflecting reconfigurable intelligent surface (STAR-RIS) has been introduced to achieve full coverage area. This paper investigate the performance of STAR-RIS assisted non-orthogonal multiple…

Information Theory · Computer Science 2022-09-20 Xinwei Yue , Jin Xie , Yuanwei Liu , Zhihao Han , Rongke Liu , Zhiguo Ding

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…

Information Theory · Computer Science 2022-09-14 Yuanwei Liu , Xidong Mu , Robert Schober , H. Vincent Poor

Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is a novel technology which enables the full-space coverage. In this letter, a multi-active STAR-RIS-aided system using non-orthogonal multiple access…

Information Theory · Computer Science 2025-01-07 Sepideh Javadi , Armin Farhadi , Mohammad Robat Mili , Eduard Jorswieck , Naofal Al-Dhahir

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…

Information Theory · Computer Science 2023-06-02 Farshad Rostami Ghadi , F. Javier Lopez-Martinez , Kai-Kit Wong

This work explores the deployment of active reconfigurable intelligent surfaces (A-RIS) in integrated terrestrial and non-terrestrial networks (TN-NTN) while utilizing coordinated multipoint non-orthogonal multiple access (CoMP-NOMA). Our…

Signal Processing · Electrical Eng. & Systems 2025-01-14 Muhammad Ahmed Mohsin , Hassan Rizwan , Muhammad Jazib , Muhammad Iqbal , Muhammad Bilal , Tabinda Ashraf , Muhammad Farhan Khan , Jen-Yi Pan

This paper investigates the physical layer security of a non-orthogonal multiple access (NOMA) system assisted by a tertiary-mode simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS), which can perform…

Signal Processing · Electrical Eng. & Systems 2026-03-31 Mansi Nema , Kuntal Deka , Sanjeev Sharma , Tharmalingam Ratnarajah

The integration of reconfigurable intelligent surfaces (RISs) and unmanned aerial vehicles (UAVs) has emerged as a promising solution for enhancing connectivity in future wireless networks. This paper designs well-connected and resilient…

Information Theory · Computer Science 2025-05-02 Mohammed Saif , Shahrokh Valaee

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…

Information Theory · Computer Science 2024-10-03 Guangyu Zhu , Xidong Mu , Li Guo , Ao Huang , Shibiao Xu

This paper investigates the performance of downlink non-orthogonal multiple access (NOMA) communication in unmanned aerial vehicle (UAV) networks enhanced by partitionable reconfigurable intelligent surfaces (RISs). We analyze three types…

Information Theory · Computer Science 2025-10-03 Masoud Ghazikor , Van Ly Nguyen , Morteza Hashemi

The simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is capable of providing full-space coverage of smart radio environments. This work investigates STAR-RIS aided downlink non-orthogonal multiple…

Information Theory · Computer Science 2022-06-22 Ziyi Xie , Wenqiang Yi , Xuanli Wu , Yuanwei Liu , Arumugam Nallanathan

Short packet-based advanced Internet of things (A-IoT) calls for not only the next generation of ultra-reliable low-latency communications (xURLLC) but also highly secured communications. In this paper, we aim to address this objective by…

Signal Processing · Electrical Eng. & Systems 2025-04-01 Song Lulu , Zhang Di , Jia Shaobo , Zhu Pengcheng , Li Yonghui

Non-orthogonal multiple access (NOMA) is a promising technology for next-generation wireless communication systems due to its enhanced spectral efficiency. In this paper, we consider an uplink NOMA system operating together with a…

Information Theory · Computer Science 2025-09-18 Azadeh Tabeshnezhad , Yuqing Zhu , Artem Vilenskiy , Van Ly Nguyen , A. Lee Swindlehurst , Tommy Svensson

This article focuses on the exploitation of reconfigurable intelligent surfaces (RISs) in multi-user networks employing orthogonal multiple access (OMA) or non-orthogonal multiple access (NOMA), with an emphasis on investigating the…

Information Theory · Computer Science 2022-09-14 Yuanwei Liu , Xidong Mu , Xiao Liu , Marco Di Renzo , Zhiguo Ding , Robert Schober

By flexibly manipulating the radio propagation environment, reconfigurable intelligent surface (RIS) is a promising technique for future wireless communications. However, the single-side coverage and double-fading attenuation faced by…

Information Theory · Computer Science 2023-02-01 Ailing Zheng , Wanli Ni , Wen Wang , Hui Tian

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…

Information Theory · Computer Science 2024-01-08 Omar Maraqa , Sylvester Aboagye , Telex M. N. Ngatched

We consider a reconfigurable intelligent surface (RIS) assisted cell-free massive multiple-input multiple-output non-orthogonal multiple access (NOMA) system, where each access point (AP) serves all the users with the aid of the RIS. We…

Information Theory · Computer Science 2024-09-18 Malay Chakraborty , Ekant Sharma , Himal A. Suraweera , Hien Quoc Ngo

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.…

Signal Processing · Electrical Eng. & Systems 2026-04-07 Ngoc Phuc Le , Mohamed-Slim Alouini