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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,…

In this letter, we investigate an unmanned aerial vehicle (UAV) communication system, where an intelligent reflecting surface (IRS) is deployed to assist in the transmission from a ground node (GN) to the UAV in the presence of a jammer. We…

Signal Processing · Electrical Eng. & Systems 2022-01-17 Zhi Ji , Wendong Yang , Xinrong Guan , Xiao Zhao , Guoxin Li , Qingqing Wu

Airborne mobile Integrated Sensing and Communication (ISAC) base stations have garnered significant attention recently, with ISAC technology being a crucial application for 6G networks. Since ISAC can sense potential mobile communication…

Performance · Computer Science 2025-08-05 Shengcai Zhou , Luping Xiang , Kun Yang , Kai Kit Wong , Dapeng Oliver Wu , Chan-Byoung Chae

Fluid antennas (FAs) and movable antennas (MAs) have attracted increasing attention in wireless communications recently. As compared to the conventional fixed-position antennas (FPAs), their geometry can be dynamically reconfigured, such…

Signal Processing · Electrical Eng. & Systems 2024-08-26 Dong Wang , Weidong Mei , Boyu Ning , Zhi Chen

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

This paper proposes a novel approach to improve the performance of a heterogeneous network (HetNet) supported by dual connectivity (DC) by adopting multiple unmanned aerial vehicles (UAVs) as passive relays that carry reconfigurable…

Information Theory · Computer Science 2021-06-25 Ata Khalili , Ehsan Mohammadi Monfard , Shayan Zargari , Mohammad Reza. Javan , Nader Mokari , Eduard A. Jorswieck

Low-altitude unmanned aerial vehicle (UAV) networks are integral to future 6G integrated sensing and communication (ISAC) systems. However, their deployment is hindered by challenges stemming from high mobility of UAVs, complex propagation…

Information Theory · Computer Science 2025-11-14 Honghao Wang , Qingqing Wu , Yifan Jiang , Ziyuan Zheng , Ziheng Zhang , Yanze Zhu , Ying Gao , Wen Chen , Guanghai Liu , Abbas Jamalipour

Intelligent reflect surface (IRS) is a potential technology to build programmable wireless environment in future communication systems. In this paper, we consider an IRS-assisted multi-base station (multi-BS) multi-user millimeter wave…

Information Theory · Computer Science 2020-11-04 Dan Zhao , Hancheng Lu , Yazheng Wang , Huan Sun , Yongqiang Gui

This letter studies a cellular-connected unmanned aerial vehicle (UAV) scenario, in which a UAV user communicates with ground base stations (GBSs) in cellular uplink by sharing the spectrum with ground users (GUs). To deal with the severe…

Information Theory · Computer Science 2023-08-29 Peiming Li , Lifeng Xie , Jianping Yao , Jie Xu

This paper studies a new latency optimization problem in unmanned aerial vehicles (UAVs)-enabled federated learning (FL) with integrated sensing and communication. In this setup, distributed UAVs participate in model training using sensed…

Information Theory · Computer Science 2024-11-15 Shaba Shaon , Tien Nguyen , Lina Mohjazi , Aryan Kaushik , Dinh C. Nguyen

This letter investigates the performance of emerging wireless communication systems assisted by a fluid reconfigurable intelligent surface (FRIS). Unlike conventional reconfigurable intelligent surfaces (RISs), an FRIS consists of…

Over-the-air computation (AirComp) is emerging as a promising technology for wireless data aggregation. However, its performance is hampered by users with poor channel conditions. To mitigate such a performance bottleneck, this paper…

Information Theory · Computer Science 2023-12-01 Deyou Zhang , Ming Xiao , Mikael Skoglund , H. Vincent Poor

Stacked intelligent metasurfaces (SIMs) and fluid antenna systems (FAS) are emerging technologies for wave-domain and spatial signal manipulation, respectively.This letter proposes a novel joint SIM-FAS communication model in which…

Information Theory · Computer Science 2026-05-22 Anastasios Papazafeiropoulos

In this paper, we investigate an unmanned aerial vehicle (UAV)-assisted integrated communication and localization network in emergency scenarios where a single UAV is deployed as both an airborne base station (BS) and anchor node to assist…

Networking and Internet Architecture · Computer Science 2023-06-07 Suzhi Bi , Jiaxing Yu , Zheyuan Yang , Xiaohui Lin , Yuan Wu

This paper investigates the impact of Reconfigurable Intelligent Surface (RIS) orientation on the throughput performance of Unmanned Aerial Vehicle (UAV)-assisted wireless communication systems. Specifically, we study how physical rotation…

Signal Processing · Electrical Eng. & Systems 2025-12-09 Zawar Hussain , Faran Awais Butt , Ali Hussein Muqaibel , Saleh Ahmed Alawsh , Ijaz Haider Naqvi

In this correspondence, we analyze the performance of a reconfigurable intelligent surface (RIS)-aided communication system that involves a fluid antenna system (FAS)-enabled receiver. By applying the central limit theorem (CLT), we derive…

Signal Processing · Electrical Eng. & Systems 2024-08-27 Xiazhi Lai , Junteng Yao , Kangda Zhi , Tuo Wu , David Morales-Jimenez , Kai-Kit Wong

In this paper, we propose a novel network architecture for integrating terrestrial and non-terrestrial networks (NTNs) to establish connection between terrestrial ground stations which are unconnected due to blockage. We propose a new…

Signal Processing · Electrical Eng. & Systems 2023-07-17 Arman Azizi , Arman Farhang

This letter proposes an active reconfigurable intelligent surface (ARIS) assisted rate-splitting multiple access (RSMA) integrated sensing and communication (ISAC) system to overcome the fairness bottleneck in multi-target sensing under…

Signal Processing · Electrical Eng. & Systems 2026-02-13 Xin Jin , Tiejun Lv , Yashuai Cao , Jie Zeng , Mugen Peng

Fluid antenna systems (FAS) enable dynamic antenna positioning, offering new opportunities to enhance integrated sensing and communication (ISAC) performance. However, existing studies primarily focus on communication enhancement or…

Signal Processing · Electrical Eng. & Systems 2025-01-03 Shunxing Yang , Junteng Yao , Jie Tang , Tuo Wu , Maged Elkashlan , Chau Yuen , Merouane Debbah , Hyundong Shin , Matthew Valenti

In this paper, we propose reconfigurable intelligent surface (RIS)-assisted unmanned aerial vehicles (UAVs) networks that can utilise both advantages of UAV's agility and RIS's reflection for enhancing the network's performance. To aim at…

Signal Processing · Electrical Eng. & Systems 2021-08-09 Khoi Khac Nguyen , Saeed Khosravirad , Daniel Benevides da Costa , Long D. Nguyen , Trung Q. Duong
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