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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

In this paper, we study the performance of multiple reconfigurable intelligent surfaces (RISs)-aided unmanned aerial vehicle (UAV) communication networks over Nakagami-$m$ fading channels. For that purpose, we used accurate closed-form…

Information Theory · Computer Science 2023-03-21 Khaled Alshehri , Anas M. Salhab , Ali Arshad Nasir

Unmanned aerial vehicles (UAVs) can be deployed as flying base stations (BSs) to leverage the strength of line-of-sight connections and effectively support the coverage and throughput of wireless communication. This paper considers a…

Information Theory · Computer Science 2018-06-12 Ali A. Nasir , Hoang D. Tuan , Trung Q. Duong , H. Vincent Poor

Aerial-ground interference mitigation is a challenging issue in the cellular-connected unmanned aerial vehicle (UAV) communications. Due to the strong line-of-sight (LoS) air-to-ground (A2G) channels, the UAV may impose/suffer more severe…

Information Theory · Computer Science 2019-02-15 Weidong Mei , Rui Zhang

In this paper, we consider an aerial reconfigurable intelligent surface (ARIS)-assisted wireless network, where multiple unmanned aerial vehicles (UAVs) collect data from ground users (GUs) by using the non-orthogonal multiple access (NOMA)…

Networking and Internet Architecture · Computer Science 2024-12-31 Songhan Zhao , Shimin Gong , Bo Gu , Lanhua Li , Bin Lyu , Dinh Thai Hoang , Changyan Yi

Unmanned aerial vehicles (UAVs) are set to feature heavily in upcoming fifth generation (5G) networks. Yet, the adoption of multi-UAV networks means that spectrum scarcity in UAV communications is an issue in need of urgent solutions.…

Information Theory · Computer Science 2019-02-20 Tan Zheng Hui Ernest , A S Madhukumar , Rajendra Prasad Sirigina , Anoop Kumar Krishna

Uncrewed aerial vehicles (UAVs) have attracted recent attention for sixth-generation (6G) networks due to their low cost and flexible deployment. In order to maximize the ever-increasing data rates, spectral efficiency, and wider coverage,…

Signal Processing · Electrical Eng. & Systems 2024-05-28 Faical Khennoufa , Khelil Abdellatif , Ferdi Kara , Halim Yanikomeroglu , Khaled Rabie , Taissir Y. Elganimi , Safia Beddiaf

We investigate the downlink outage performance of double-RIS-aided non-orthogonal multiple access (NOMA), where a near-BS and a near-users RISs setup are deployed. To extend the coverage to 360 degrees, we deploy a simultaneously…

Information Theory · Computer Science 2023-04-11 Wilson de Souza Junior , Taufik Abrao

NOMA (non-orthogonal multiple access) will be seen as a promising technology for enhancing spectrum efficiency in future cellular networks. The use of unmanned aerial vehicle (UAV) Amplify-and-Forward (AF) relaying as a moving access point…

Information Theory · Computer Science 2023-04-27 Ghania Khraimech , Fatiha Merazka

Device-to-device (D2D) communications offers high spectral efficiency, low energy consumption and transmission latency. However, one of the main limitations of D2D communications is co-channel interference from underlaying wireless system.…

Signal Processing · Electrical Eng. & Systems 2023-08-02 Wali Ullah Khan , Eva Lagunas , Asad Mahmood , Zain Ali , Symeon Chatzinotas , Björn Ottersten

Non-orthogonal multiple access (NOMA) is widely recognized for enhancing the energy and spectral efficiency through effective radio resource sharing. However, uplink NOMA systems face greater challenges than their downlink counterparts, as…

Signal Processing · Electrical Eng. & Systems 2025-03-07 Mahmoud AlaaEldin , Mohammad Al-Jarrah , Xidong Mu , Emad Alsusa , Karim G. Seddik , Michail Matthaiou

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…

Signal Processing · Electrical Eng. & Systems 2024-01-10 Ali Tugberk Dogukan , Emre Arslan , Ertugrul Basar

Intelligent reflecting surfaces (IRSs) are envisioned to provide reconfigurable wireless environments for future communication networks. In this paper, both downlink and uplink IRS-aided non-orthogonal multiple access (NOMA) and orthogonal…

Signal Processing · Electrical Eng. & Systems 2021-02-05 Yanyu Cheng , Kwok Hung Li , Yuanwei Liu , Kah Chan Teh , H. Vincent Poor

Innovative reconfigurable intelligent surface (RIS) technologies are rising and recognized as promising candidates to enhance 6G and beyond wireless communication systems. RISs acquire the ability to manipulate electromagnetic signals,…

The use of software controlled passive Reconfigurable Intelligent Surface (RIS) in wireless communications has attracted many researchers in recent years. RIS has a certain degree of control over the scattering and reflection…

Signal Processing · Electrical Eng. & Systems 2020-06-30 Vetrivel Chelian Thirumavalavan , Thiruvengadam S Jayaraman

This paper proposes a novel simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted unmanned aerial vehicle (UAV) non-orthogonal multiple access (NOMA) emergency communication network. Multiple…

Information Theory · Computer Science 2023-07-28 Jiayi Lei , Tiankui Zhang , Xidong Mu , Yuanwei Liu

Reconfigurable intelligent surfaces (RISs) have sparked a renewed interest in the research community envisioning future wireless communication networks. In this study, we analyzed the performance of RIS-enabled non-orthogonal multiple…

Information Theory · Computer Science 2023-01-11 Mohd Hamza Naim Shaikh , Sultangali Arzykulov , Abdulkadir Celik , Ahmed M. Eltawil , G. Nauryzbayev

Intelligent reflecting surface (IRS) enhanced multi-unmanned aerial vehicle (UAV) non-orthogonal multiple access (NOMA) networks are investigated. A new transmission framework is proposed, where multiple UAV-mounted base stations employ…

Information Theory · Computer Science 2021-10-07 Xidong Mu , Yuanwei Liu , Li Guo , Jiaru Lin , H. Vincent Poor

In this paper, we study an unmanned aerial vehicle (UAV)-aided non-orthogonal multiple access (NOMA) multi-way relaying networks (MWRNs). Multiple terrestrial users aim to exchange their mutual information via an amplify-and-forward (AF)…

Information Theory · Computer Science 2020-05-19 Xingwang Li , Qunshu Wang , Yuanwei Liu , Theodoros A. Tsiftsis , Zhiguo Ding , Arumugam Nallanathan

In this paper, an intelligent reflecting surface (IRS) is introduced to assist an unmanned aerial vehicle (UAV) communication system based on non-orthogonal multiple access (NOMA) for serving multiple ground users. We aim to minimize the…

Information Theory · Computer Science 2022-06-14 Yuanxin Cai , Zhiqiang Wei , Shaokang Hu , Chang Liu , Derrick Wing Kwan Ng , Jinhong Yuan
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