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The pervasiveness of the wireless cellular network can be a key enabler for the deployment of autonomous unmanned aerial vehicles (UAVs) in beyond visual line of sight scenarios without human control. However, traditional cellular networks…

信号处理 · 电气工程与系统科学 2020-03-11 Md Moin Uddin Chowdhury , Walid Saad , Ismail Guvenc

Efficient millimeter wave (mmWave) beam selection in vehicle-to-infrastructure (V2I) communication is a crucial yet challenging task due to the narrow mmWave beamwidth and high user mobility. To reduce the search overhead of iterative beam…

In this paper, a novel framework is proposed to enable air-to-ground channel modeling over millimeter wave (mmWave) frequencies in an unmanned aerial vehicle (UAV) wireless network. First, an effective channel estimation approach is…

信息论 · 计算机科学 2021-03-01 Qianqian Zhang , Aidin Ferdowsi , Walid Saad

Millimeter Wave (MmWave) communication is one of the key technology of the fifth generation (5G) wireless systems to achieve the expected 1000x data rate. With large bandwidth at mmWave band, the link capacity between users and base…

信号处理 · 电气工程与系统科学 2019-03-19 Mingjie Feng , Shiwen Mao

This study considers a UAV-assisted multi-user massive multiple-input multiple-output (MU-mMIMO) systems, where a decode-and-forward (DF) relay in the form of an unmanned aerial vehicle (UAV) facilitates the transmission of multiple data…

信息论 · 计算机科学 2023-09-22 Mobeen Mahmood , MohammadMahdi Ghadaksaz , Asil Koc , Tho Le-Ngoc

When users exchange data with Unmanned Aerial vehicles - (UAVs) over air-to-ground (A2G) wireless communication networks, they expose the link to attacks that could increase packet loss and might disrupt connectivity. For example, in…

Unmanned aerial vehicles (UAVs) have found widespread commercial, civilian, and military applications. Wireless communication has always been one of the core technologies for UAV. However, the communication capacity is becoming a bottleneck…

信号处理 · 电气工程与系统科学 2021-10-26 Zhenyu Xiao , Lipeng Zhu , Yanming Liu , Pengfei Yi , Rui Zhang , Xiang-Gen Xia , Robert Schober

This work investigates the use of machine learning applied to the beam tracking problem in 5G networks and beyond. The goal is to decrease the overhead associated to MIMO millimeter wave beamforming. In comparison to beam selection (also…

信号处理 · 电气工程与系统科学 2024-12-10 Ailton Oliveira , Daniel Suzuki , Sávio Bastos , Ilan Correa , Aldebaro Klautau

We propose a deep learning-based method that uses spatial and temporal information extracted from the sub-6GHz band to predict/track beams in the millimeter-wave (mmWave) band. In more detail, we consider a dual-band communication system…

信号处理 · 电气工程与系统科学 2021-07-19 Rafail Ismayilov , Renato L. G. Cavalcante , Sławomir Stańczak

Unmanned aerial vehicle (UAV) assisted communication is a revolutionary technology that has been recently presented as a potential candidate for beyond fifth-generation millimeter wave (mmWave) communications. Although mmWaves can offer a…

网络与互联网体系结构 · 计算机科学 2025-04-02 Sk Abid Hasan , Lakshmikanta Sau , Sasthi C. Ghosh

Unmanned aerial vehicles (UAVs) can be utilized as aerial base stations (ABSs) to provide wireless connectivity for ground users (GUs) in various emergency scenarios. However, it is a NP-hard problem with exponential complexity in $M$ and…

信息论 · 计算机科学 2023-12-19 Jiangbin Lyu , Xu Chen , Jiefeng Zhang , Liqun Fu

In this paper, a full-duplex unmanned aerial vehicle (FD-UAV) relay is employed to increase the communication capacity of millimeter-wave (mmWave) networks. Large antenna arrays are equipped at the source node (SN), destination node (DN),…

信号处理 · 电气工程与系统科学 2020-04-24 Lipeng Zhu , Jun Zhang , Zhenyu Xiao , Xianbin Cao , Xiang-Gen Xia , Robert Schober

Millimeter wave channels exhibit structure that allows beam alignment with fewer channel measurements than exhaustive beam search. From a compressed sensing (CS) perspective, the received channel measurements are usually obtained by…

信号处理 · 电气工程与系统科学 2019-11-13 Nitin Jonathan Myers , Yuyang Wang , Nuria González-Prelcic , Robert W. Heath

Prediction of wireless channel gain (CG) across space is a necessary tool for many important wireless network design problems. In this paper, we develop prediction methods that use environment-specific features, namely building maps and CG…

信号处理 · 电气工程与系统科学 2023-10-10 Enes Krijestorac , Danijela Cabric

Millimeter wave (mmWave) communications can potentially meet the high data-rate requirements of unmanned aerial vehicle (UAV) networks. However, as the prerequisite of mmWave communications, the narrow directional beam tracking is very…

信号处理 · 电气工程与系统科学 2024-04-09 Jinglin Zhang , Wenjun Xu , Hui Gao , Miao Pan , Zhu Han , Ping Zhang

Communication and video capture from unmanned aerial vehicles (UAVs) offer significant potential for assisting first responders in remote public safety settings. In such uses, millimeter wave (mmWave) wireless links can provide high…

信号处理 · 电气工程与系统科学 2020-05-15 William Xia , Michele Polese , Marco Mezzavilla , Giuseppe Loianno , Sundeep Rangan , Michele Zorzi

This paper aims to predict radio channel variations over time by deep learning from channel observations without knowledge of the underlying channel dynamics. In next-generation wideband cellular systems, multicarrier transmission for…

信息论 · 计算机科学 2022-03-14 Heunchul Lee , Jaeseong Jeong , Zhao Wang

Millimeter-wave (mmWave) MIMO systems rely on highly directional beamforming to overcome severe path loss and ensure robust communication links. However, selecting the optimal beam pair efficiently remains a challenge due to the large…

信号处理 · 电气工程与系统科学 2025-04-15 Joseph K. Chege , Arie Yeredor , Martin Haardt

Unmanned Aerial Vehicles (UAVs) are increasingly essential in various fields such as surveillance, reconnaissance, and telecommunications. This study aims to develop a learning algorithm for the path planning of UAV wireless communication…

机器学习 · 计算机科学 2025-01-20 Joseanne Viana , Boris Galkin , Lester Ho , Holger Claussen

These days, unmanned aerial vehicle (UAV)-based millimeter wave (mmWave) communication systems have drawn a lot of attention due to the increasing demand for faster data rates. Given the susceptibility of mmWave signals to obstacles and…

系统与控制 · 电气工程与系统科学 2025-04-01 Subhadip Ghosh , Priyadarshi Mukherjee , Sasthi C. Ghosh