English
Related papers

Related papers: Towards Joint Optimization for UAV-Integrated RIS-…

200 papers

To integrate unmanned aerial vehicles (UAVs) in future large-scale deployments, a new wireless communication paradigm, namely, the cellular-connected UAV has recently attracted interest. However, the line-of-sight dominant air-to-ground…

Signal Processing · Electrical Eng. & Systems 2021-12-22 Md Moin Uddin Chowdhury , Ismail Guvenc , Walid Saad , Arupjyoti Bhuyan

In this paper, an reconfigurable intelligent surface (RIS)-aided millimeter wave (mmWave) non-orthogonal multiple access (NOMA) system is considered. In particular, we consider an RIS-aided mmWave-NOMA downlink system with a hybrid…

Signal Processing · Electrical Eng. & Systems 2020-10-20 Yue Xiu , Jun Zhao , Wei Sun , Marco Di Renzo , Guan Gui , Zhongpei Zhang , Ning Wei

Integrated sensing and communication (ISAC) has been envisioned as a promising technology to tackle the spectrum congestion problem for future networks. In this correspondence, we investigate to deploy a reconfigurable intelligent surface…

Signal Processing · Electrical Eng. & Systems 2022-08-04 Honghao Luo , Rang Liu , Ming Li , Yang Liu , Qian Liu

This paper investigates an over-the-air federated learning (OTA-FL) system that employs fluid antennas (FAs) at an access point. The system enhances learning performance by leveraging the additional degrees of freedom provided by antenna…

Signal Processing · Electrical Eng. & Systems 2025-02-04 Mohsen Ahmadzadeh , Saeid Pakravan , Ghosheh Abed Hodtani , Ming Zeng , Jean-Yves Chouinard , Leslie A. Rusch

Space-air-ground integrated networks (SAGINs) interconnect satellites, uncrewed aerial vehicles (UAVs), and ground devices to enable flexible and ubiquitous wireless services. The integration of reconfigurable intelligent surfaces (RISs)…

Networking and Internet Architecture · Computer Science 2026-03-06 Yuxuan Yang , Bin Lyu , Abbas Jamalipour

This paper examines a fluid antenna (FA)-assisted simultaneous wireless information and power transfer (SWIPT) system. Unlike traditional SWIPT systems with fixed-position antennas (FPAs), our FA-assisted system enables dynamic…

Signal Processing · Electrical Eng. & Systems 2024-07-25 Liaoshi Zhou , Junteng Yao , Tuo Wu , Ming Jin , Chau Yuen , Fumiyuki Adachi

To enable innovative applications and services, both industry and academia are exploring new technologies for sixth generation (6G) communications. One of the promising candidates is fluid antenna system (FAS). Unlike existing systems, FAS…

Information Theory · Computer Science 2023-05-12 Wee Kiat New , Kai-Kit Wong , Hao Xu , Kin-Fai Tong , Chan-Byoung Chae

In this paper, we investigate the performance of a reconfigurable intelligent surface (RIS)-assisted dual-hop mixed radio-frequency underwater wireless optical communication (RF-UWOC) system. An RIS is an emerging and low-cost technology…

Information Theory · Computer Science 2020-11-19 Sai Li , Liang Yang , Daniel Benevides da Costa , Marco Di Renzo , Mohamed-Slim Alouini

In this letter, we study the energy efficiency maximization problem for a fluid antenna system (FAS) in near field communications. Specifically, we consider a point-to-point near-field system where the base station (BS) transmitter has…

Signal Processing · Electrical Eng. & Systems 2024-11-26 Yixuan Chen , Mingzhe Chen , Hao Xu , Zhaohui Yang , Kai-Kit Wong , Zhaoyang 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

In this paper, we consider the application of intelligent reflecting surface (IRS) in unmanned aerial vehicle (UAV)-based orthogonal frequency division multiple access (OFDMA) communication systems, which exploits both the significant…

Information Theory · Computer Science 2020-10-13 Zhiqiang Wei , Yuanxin Cai , Zhuo Sun , Derrick Wing Kwan Ng , Jinhong Yuan , Mingyu Zhou , Lixin Sun

Traditional single-input single-output (SISO) systems face fundamental limitations in achieving accurate three-dimensional (3D) localization due to limited spatial degrees of freedom (DoF) and the adverse impact of multipath propagation.…

Signal Processing · Electrical Eng. & Systems 2025-09-17 Hua Chen , Tao Gong , Tuo Wu , Maged Elkashlan , Baiyang Liu , Chan-Byoung Chae , Kin-Fai Tong , Kai-Kit Wong

This work investigates a robust resource allocation framework for a downlink multi-user communication system integrating movable antennas (MAs) and reconfigurable intelligent surfaces (RISs) under the rate-splitting multiple access (RSMA)…

Signal Processing · Electrical Eng. & Systems 2026-05-12 Muhammad Asif , Asim Ihsan , Zhongliang Wang , Manzoor Ahmed , Xingwang Li , Arumugam Nallanathan , Symeon Chatzinotas

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

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

This paper investigates a reconfigurable intelligent surface (RIS)-assisted multi-waveguide pinching-antenna (PA) system (PASS) for multi-user downlink information transmission, motivated by the unknown impact of the integration of emerging…

Networking and Internet Architecture · Computer Science 2025-11-26 Changpeng He , Yang Lu , Yanqing Xu , Chong-Yung Chi , Bo Ai , Arumugam Nallanathan

Integrated sensing and communication (ISAC) has the potential to facilitate coordination gains from mutual assistance between sensing and communication (S&C), especially sensing-aided communication enhancement (SACE). Reconfigurable…

Signal Processing · Electrical Eng. & Systems 2025-04-14 Xiaohui Li , Qi Zhu , Yunpei Chen , Chadi Assi , Yifei Yuan

Active reconfigurable intelligent surface (A-RIS) aided integrated sensing and communications (ISAC) system has been considered as a promising paradigm to improve spectrum efficiency. However, massive energy-hungry radio frequency (RF)…

Information Theory · Computer Science 2025-01-17 Wei Ma , Peichang Zhang , Junjie Ye , Rouyang Guan , Xiao-Peng Li , Lei Huang

Recently, Unmanned Aerial Vehicles (UAVs) have attracted the attention of researchers in academia and industry for providing wireless services to ground users in diverse scenarios like festivals, large sporting events, natural and man-made…

Signal Processing · Electrical Eng. & Systems 2024-06-26 Marwan Dhuheir , Aiman Erbad , Ala Al-Fuqaha , Mohsen Guizani

A reconfigurable intelligent surface (RIS) is a metamaterial that can be integrated into walls and influence the propagation of electromagnetic waves. This, typically passive radio frequency (RF) technology is emerging for indoor and…

Signal Processing · Electrical Eng. & Systems 2020-12-10 Aly Sabri Abdalla , Talha Faizur Rahman , Vuk Marojevic