English
Related papers

Related papers: Weighted Sum-Rate Maximization for RIS-UAV-assiste…

200 papers

Low-altitude economy includes the application of unmanned aerial vehicles (UAVs) serving ground robots. This paper investigates the 3-dimensional (3D) trajectory and communication optimization for low-altitude air-ground cooperation…

Information Theory · Computer Science 2025-09-16 Menghao Hu , Tong Zhang , Shuai Wang , Chiya Zhang , Changyang She , Gaojie Chen , Miaowen Wen

This study investigates the integration of an intelligent reflecting surface (IRS) into an unmanned aerial vehicle (UAV) platform to utilize the advantages of these leading technologies for sixth-generation communications, e.g., improved…

Signal Processing · Electrical Eng. & Systems 2024-05-22 Hung Nguyen-Kha , Hieu V. Nguyen , Mai T. P. Le , Oh-Soon Shin

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

Reconfigurable holographic surfaces (RHS) are intrinsically amalgamated with reconfigurable intelligent surfaces (RIS), for beneficially ameliorating the signal propagation environment. This potent architecture significantly improves the…

Signal Processing · Electrical Eng. & Systems 2024-10-22 Pavan Kumar Gadamsetty , K. V. S. Hari , Lajos Hanzo

Integrated terrestrial and non-terrestrial networks (ITNTNs) are envisioned as a key paradigm for sixth-generation (6G) wireless systems, enabling seamless global connectivity. In this paper, we investigate a dual-aerial active…

Signal Processing · Electrical Eng. & Systems 2026-04-15 Vangara Saiprudhvi , Keshav Singh , Hariharan Subramaniyam , Chih-Peng Li

In this correspondence, we propose hierarchical high-altitude platform (HAP)-low-altitude platform (LAP) networks with the aim of maximizing the sum-rate of ground user equipments (UEs). The multiple aerial radio units (RUs) mounted on HAPs…

Systems and Control · Electrical Eng. & Systems 2023-12-08 Jeongbin Kim , Seongah Jeong , Seonghoon Yoo , Woong Son , Joonhyuk Kang

This paper investigates a rate-splitting multiple access (RSMA) for uplink pinching antenna system (PASS). Our objective is to maximize the uplink sum rate by jointly optimizing a continuous antenna positioning and user's transmission…

Signal Processing · Electrical Eng. & Systems 2025-12-24 Zar Chi Phyo , Shreya Khisa , Chadi Assi , Sanaa Sharafaddine

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

This paper investigates the problem of secure energy efficiency maximization for a reconfigurable intelligent surface (RIS) assisted uplink wireless communication system, where an unmanned aerial vehicle (UAV) equipped with an RIS works as…

Signal Processing · Electrical Eng. & Systems 2020-06-08 Hui Long , Ming Chen , Zhaohui Yang , Bao Wang , Zhiyang Li , Xu Yun , Mohammad Shikh-Bahaei

Recent technological advancements in space, air, and ground components have made possible a new network paradigm called space-air-ground integrated network (SAGIN). Unmanned aerial vehicles (UAVs) play a key role in SAGINs. However, due to…

Systems and Control · Electrical Eng. & Systems 2024-07-18 Atefeh H. Arani , Peng Hu , Yeying Zhu

Unmanned aerial vehicles (UAVs) with multiple antennas have recently been explored to improve capacity in wireless networks. However, the strict energy constraint of UAVs, given their simultaneous flying and communication tasks, renders the…

Signal Processing · Electrical Eng. & Systems 2024-05-21 Hosein Zarini , Maryam Farajzadeh Dehkordi , Armin Farhadi , Mohammad Robat Mili , Ali Movaghar , Mehdi Rasti , Yonghui Li , Kai-Kit Wong

This paper studies a novel movable antenna (MA)-enhanced multiuser multiple-input multiple-output downlink system designed to improve wireless communication performance. We aim to maximize the average achievable sum rate through…

Information Theory · Computer Science 2025-09-05 Xintai Chen , Biqian Feng , Yongpeng Wu , Derrick Wing Kwan Ng , Robert Schober

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

We consider joint beamforming and stream allocation to maximize the weighted sum rate (WSR) for non-coherent joint transmission (NCJT) in user-centric cell-free MIMO networks, where distributed access points (APs) are organized in clusters…

Signal Processing · Electrical Eng. & Systems 2024-02-29 Xi Wang , Xiaotong Zhao , Juncheng Wang , You Li , Qingjiang Shi

Recently, movable antennas (MAs) have garnered immense attention due to their capability to favorably alter channel conditions through agile movement. In this letter, we delve into a spectrum sharing system enabled by unmanned aerial…

Numerical Analysis · Mathematics 2026-01-06 Xiao-Wei Tang , Yunmei Shi , Yi Huang , Qingqing Wu

Reconfigurable intelligent surface (RIS) is pivotal for beyond 5G networks in regards to the surge demand for reliable communication in unmanned aerial vehicle (UAV) networks. This paper presents an innovative approach to maximize…

Information Theory · Computer Science 2024-10-24 Mohammed Saif , Shahrokh Valaee

Rate-Splitting Multiple Access (RSMA) is a robust multiple access scheme for downlink multi-antenna wireless networks. In this work, we investigate a novel application of RSMA for joint communications and jamming with a Multi-Carrier (MC)…

Information Theory · Computer Science 2021-08-13 Onur Dizdar , Bruno Clerckx

This paper investigates a reconfigurable intelligent surface (RIS)-aided multi-user multiple-input multiple-output (MIMO) system by considering only the statistical channel state information (CSI) at the base station (BS). We aim to…

Information Theory · Computer Science 2021-12-23 Huan Zhang , Shaodan Ma , Zheng Shi , Xin Zhao , Guanghua Yang

In this work, we address the issue of quality of experience (QoE) in unmanned aerial vehicle (UAV) aided multiuser rate-splitting multiple access (RSMA) networks under secrecy constraints. The problem is formulated as maximization of sum…

Networking and Internet Architecture · Computer Science 2024-05-24 Abuzar B. M. Adam , Xiaoyu Wan , Mohammed Saleh Ali Muthanna

In this paper, we propose a double-edge-assisted computation offloading and resource allocation scheme tailored for space-air-marine integrated networks (SAMINs). Specifically, we consider a scenario where both unmanned aerial vehicles…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-04 Zhen Wang , Bin Lin , Qiang , Ye