中文
相关论文

相关论文: A New Store-then-Amplify-and-Forward Protocol for …

200 篇论文

Unmanned aerial vehicles (UAVs) have received plenty of attention due to their high flexibility and enhanced communication ability, nonetheless, the limited onboard energy restricts UAVs' application on persistent data collection missions…

信号处理 · 电气工程与系统科学 2024-10-10 Rui Wang , Deshi Li , Qingqing Wu , Kaitao Meng , Boning Feng , Lele Cong

Stacked intelligent metasurfaces (SIMs) have emerged as a promising technology for realizing wave-domain signal processing, while the fixed SIMs will limit the communication performance of the system compared to the mobile SIMs. In this…

网络与互联网体系结构 · 计算机科学 2025-08-04 Mingzhe Fan , Geng Sun , Hongyang Pan , Jiacheng Wang , Jiancheng An , Hongyang Du , Chau Yuen

An unmanned aerial vehicle (UAV) network can serve as an aerial relay to periodically receive packets from macro base stations (BSs). Severe packet loss may happen especially when UAVs have bad wireless connections to a BS. In this paper, a…

信息论 · 计算机科学 2021-12-30 Hao Song , Lingjia Liu , Ananth Balasubramanian

This paper addresses the challenge of energy-constrained maritime monitoring networks by proposing an unmanned aerial vehicle (UAV)-enabled integrated sensing, communication, powering and backhaul transmission scheme with a tailored…

信号处理 · 电气工程与系统科学 2025-06-02 Bohan Li , Jiahao Liu , Yujun Liang , Qian Li , Haochen Liu , Yaoyuan Zhang , Junsheng Mu , Shahid Mumtaz , Sheng Chen

In this paper, we investigate the robust transceiver design for dual-hop amplify-and-forward (AF) MIMO relay systems with Gaussian distributed channel estimation errors. Aiming at maximizing the mutual information under imperfect channel…

信息论 · 计算机科学 2016-11-17 Chengwen Xing , Zesong Fei , Yik-Chung Wu , Shaodan Ma , Jingming Kuang

Unmanned Aerial Vehicles (UAVs) have been extensively utilized to provide wireless connectivity in rural and under-developed areas, enhance network capacity and provide support for peaks or unexpected surges in user demand, mainly due to…

网络与互联网体系结构 · 计算机科学 2020-10-01 Anousheh Gholami , Nariman Torkzaban , John S. Baras , Chrysa Papagianni

This paper considers a decode-and-forward (DF) multi-way massive multiple-input multiple-output (MIMO) relay system where many users exchange their data with the aid of a relay station equipped with a massive antenna array. We propose a new…

信息论 · 计算机科学 2017-04-03 Chung Duc Ho , Hien Quoc Ngo , Michail Matthaiou , Trung Q. Duong

This paper investigates unmanned aerial vehicle (UAV)-aided backscatter communication (BackCom) networks, where the UAV is leveraged to help the backscatter device (BD) forward signals to the receiver. Based on the presence or absence of a…

信息论 · 计算机科学 2019-12-05 Meng Hua , Luxi Yang , Chunguo Li , Qingqing Wu , A. Lee Swindlehurst

Relay-assisted free-space optical (FSO) communication systems are exploited as a means to mitigate the limiting effects of the turbulence induced atmospheric scintillation. However, conventional ground relays are stationary, and their…

信息论 · 计算机科学 2021-04-13 Jin-Yuan Wang , Yang Ma , Rong-Rong Lu , Jun-Bo Wang , Min Lin , Julian Cheng

We consider a scenario where an UAV-mounted flying base station is providing data communication services to a number of radio nodes spread over the ground. We focus on the problem of resource-constrained UAV trajectory design with (i)…

信息论 · 计算机科学 2018-11-05 Omid Esrafilian , Rajeev Gangula , David Gesbert

In a slow fading channel, how to find a cooperative diversity scheme that achieves the transmit diversity bound is still an open problem. In fact, all previously proposed amplify-and-forward (AF) and decode-and-forward (DF) schemes do not…

信息论 · 计算机科学 2007-07-16 Sheng Yang , Jean-Claude Belfiore

This paper investigates a novel unmanned aerial vehicle (UAV) secure communication system with integrated sensing and communications. We consider wireless security enhancement for a multiple-antenna UAV transmitting ISAC waveforms to…

信号处理 · 电气工程与系统科学 2024-09-24 Yue Xiu , Wanting Lyu , Phee Lep Yeoh , Yi Ai , Yonghui Li , Ning Wei

Unmanned aerial vehicles (UAVs) have emerged as the potential aerial base stations (BSs) to improve terrestrial communications. However, the limited onboard energy and antenna power of a UAV restrict its communication range and transmission…

神经与进化计算 · 计算机科学 2025-02-11 Geng Sun , Jian Xiao , Jiahui Li , Jiacheng Wang , Jiawen Kang , Dusit Niyato , Shiwen Mao

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…

数值分析 · 数学 2026-01-06 Xiao-Wei Tang , Yunmei Shi , Yi Huang , Qingqing Wu

Recently, unmanned aerial vehicle (UAV) has attracted much attention due to its flexible deployment and controllable mobility. As the general communication network cannot meet the emergency requirements, in this paper we study the multi-UAV…

信息论 · 计算机科学 2024-07-17 Yixin Zhang , Wenchi Cheng

In this paper, we investigate an unmanned aerial vehicle (UAV)-enabled secure communication scenario that a cluster of UAVs performs a virtual non-uniform linear array (NULA) to communicate with a base station (BS) in the presence of…

信号处理 · 电气工程与系统科学 2025-04-24 Bin Qiu , Wenchi Cheng , Hongxiang He , Wei Zhang

We consider a fully-loaded ground wireless network supporting unmanned aerial vehicle (UAV) transmission services. To enable the overload transmissions to a ground user (GU) and a UAV, two transmission schemes are employed, namely…

信息论 · 计算机科学 2020-01-22 Yulin Hu , Guodong Sun , Guohua Zhang , M. Cenk Gursoy , Anke Schmeink

A swarm of cooperating UAVs communicating with a distant multiantenna ground station can leverage MIMO spatial multiplexing to scale the capacity. Due to the line-of-sight propagation between the swarm and the ground station, the MIMO…

信号处理 · 电气工程与系统科学 2021-04-30 Samer Hanna , Enes Krijestorac , Danijela Cabric

Future intelligent systems will consist of a massive number of battery-less sensors, where quick and accurate aggregation of sensor data will be of paramount importance. Over-the-air computation (AirComp) is a promising technology wherein…

网络与互联网体系结构 · 计算机科学 2020-01-14 Amin Farajzadeh , Ozgur Ercetin , Halim Yanikomeroglu

In this paper, an intelligent reflecting surface (IRS)-and-unmanned aerial vehicle (UAV)-assisted two-way amplify-and-forward (AF) relay network in maritime Internet of Things (IoT) is proposed, where ship1 ($\text{S}_1$) and ship2…