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With the fifth-generation (5G) mobile networks being actively standardized and deployed, many new vehicular communications technologies are developed to support and enrich various application scenarios. Unmanned aerial vehicle (UAV) enabled…

信号处理 · 电气工程与系统科学 2018-10-17 Yiming Huo , Xiaodai Dong

As more and more people choose high-speed rail (HSR) as a means of transportation for short trips, there is ever growing demand of high quality of multimedia services. With its rich spectrum resources, millimeter wave (mm-wave)…

信息论 · 计算机科学 2022-05-24 Xutao Zhou , Xiangfei Zhang , Chen Chen , Yong Niu , Zhu Han , He Wang , Chengjun Sun , Bo Ai , Ning Wang

Hybrid analog and digital BeamForming (HBF) is one of the enabling transceiver technologies for millimeter Wave (mmWave) Multiple Input Multiple Output (MIMO) systems. This technology offers highly directional communication, which is able…

信息论 · 计算机科学 2021-01-19 George C. Alexandropoulos , Ioanna Vinieratou , Mattia Rebato , Luca Rose , Michele Zorzi

This letter investigates an uplink power control problem for unmanned aerial vehicles (UAVs) assisted wireless communications. We jointly optimize the UAV's flying altitude, antenna beamwidth, UAV's location and ground terminals' allocated…

This paper presents a predictive deep learning framework for dynamic sub-band allocation in Sub-Band Full Duplex (SBFD) systems, addressing the challenge of balancing uplink (UL) and downlink (DL) performance under highly dynamic traffic…

网络与互联网体系结构 · 计算机科学 2026-05-15 Abhiram D , Aiswarya Rajan , Arin Shemeem , Vipindev Adat Vasudevan , Abdulla P

This paper introduces the deployment of unmanned aerial vehicles (UAVs) as lightweight wireless access points that leverage the fixed infrastructure in the context of the emerging open radio access network (O-RAN). More precisely, we…

系统与控制 · 电气工程与系统科学 2022-11-22 Hossein Mohammadi , Vuk Marojevic , Bodong Shang

We propose a fixed wing unmanned aerial vehicles (UAV)-based millimeter wave (mmWave) backhaul links, that is offered as a cost effective and easy to deploy solution, to connect a disaster or remote area to the nearest core network. First,…

信号处理 · 电气工程与系统科学 2022-04-13 Mohammad Taghi Dabiri , Mazen Omar Hasna , Nizar Zorba , Tamer Khattab

In ultra-dense unmanned aerial vehicle (UAV) networks, it is challenging to coordinate the resource allocation and interference management among large-scale UAVs, for providing flexible and efficient service coverage to the ground users…

系统与控制 · 电气工程与系统科学 2024-11-22 Fei Song , Zhe Wang , Jun Li , Long Shi , Wen Chen , Shi Jin

Unmanned aerial vehicles (UAVs) have brought a lot of flexibility in the network deployment. However, UAVs suffer from the high mobility and instability. To improve the capacity and reliability of the UAV networks, millimeter-wave (mmWave)…

信息论 · 计算机科学 2021-08-09 Lisi Jiang , Hamid Jafarkhani

In different situations, like disaster communication and network connectivity for rural locations, unmanned aerial vehicles (UAVs) could indeed be utilized as airborne base stations to improve both the functionality and coverage of…

网络与互联网体系结构 · 计算机科学 2026-01-21 Shahid Rasool , Irfan Ullah , Abid Ali , Ishtiaq Ahmad

Accurate downlink channel information is crucial to the beamforming design, but it is difficult to obtain in practice. This paper investigates a deep learning-based optimization approach of the downlink beamforming to maximize the system…

信息论 · 计算机科学 2021-09-17 Juping Zhang , Minglei You , Gan Zheng , Ioannis Krikidis , Liqiang Zhao

Beamforming is the key enabler for wireless communications in the mmWave bands. 802.11ad and WiGig are wireless technologies that currently use the 60 GHz unlicensed mmWave spectrum via beamforming techniques. It is likely that 5G systems…

信号处理 · 电气工程与系统科学 2019-06-12 Saidhiraj Amuru

CCTV-based surveillance using unmanned aerial vehicles (UAVs) is considered a key technology for security in smart city environments. This paper creates a case where the UAVs with CCTV-cameras fly over the city area for flexible and…

系统与控制 · 电气工程与系统科学 2022-01-19 Won Joon Yun , Soohyun Park , Joongheon Kim , MyungJae Shin , Soyi Jung , David A. Mohaisen , Jae-Hyun Kim

Landing an unmanned aerial vehicle (UAV) on a ground marker is an open problem despite the effort of the research community. Previous attempts mostly focused on the analysis of hand-crafted geometric features and the use of external sensors…

Path Planning methods for autonomous control of Unmanned Aerial Vehicle (UAV) swarms are on the rise because of all the advantages they bring. There are more and more scenarios where autonomous control of multiple UAVs is required. Most of…

A challenge for rescue teams when fighting against wildfire in remote areas is the lack of information, such as the size and images of fire areas. As such, live streaming from Unmanned Aerial Vehicles (UAVs), capturing videos of dynamic…

信号处理 · 电气工程与系统科学 2021-02-23 Liyana Adilla binti Burhanuddin , Xiaonan Liu , Yansha Deng , Ursula Challita , Andras Zahemszky

In this paper, the trajectory optimization problem for a multi-aerial base station (ABS) communication network is investigated. The objective is to find the trajectory of the ABSs so that the sum-rate of the users served by each ABS is…

信号处理 · 电气工程与系统科学 2019-07-02 Behzad Khamidehi , Elvino S. Sousa

A novel framework is proposed for integrating reconfigurable intelligent surfaces (RIS) in unmanned aerial vehicle (UAV) enabled wireless networks, where an RIS is deployed for enhancing the service quality of the UAV. Non-orthogonal…

信号处理 · 电气工程与系统科学 2020-10-07 Xiao Liu , Yuanwei Liu , Yue Chen

This letter studies deep learning (DL) approaches to optimize beamforming vectors in downlink multi-user multi-antenna systems that can be universally applied to arbitrarily given transmit power limitation at a base station. We exploit the…

信息论 · 计算机科学 2020-07-10 Junbeom Kim , Hoon Lee , Seung-Eun Hong , Seok-Hwan Park

In this paper, we employ multiple UAVs coordinated by a base station (BS) to help the ground users (GUs) to offload their sensing data. Different UAVs can adapt their trajectories and network formation to expedite data transmissions via…

系统与控制 · 电气工程与系统科学 2022-12-29 Shimin Gong , Meng Wang , Bo Gu , Wenjie Zhang , Dinh Thai Hoang , Dusit Niyato