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相关论文: Wideband Spectrum Acquisition for UAV Swarm Using …

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Unmanned aerial vehicles (UAVs)-based applications, such as surveillance systems and wireless relays, are attracting increasing attention from academia and industrial fields. The high-performance aerial communication system is one of the…

信息论 · 计算机科学 2022-02-02 Tao Yu , Kento Kajiwara , Kiyomichi Araki , Kei Sakaguchi

Autonomous Unmanned Aerial Vehicles (UAVs) have gained popularity due to their many potential application fields. Alongside sophisticated sensors, UAVs can be equipped with communication adaptors aimed for inter-UAV communication.…

机器人学 · 计算机科学 2016-07-18 Matthias R. Brust , Bogdan M. Strimbu

We consider UAV IoT aerial sensing that delivers multiple VR/AR immersive communication sessions to remote users. The UAV swarm is spatially distributed over a wide area of interest, and each UAV captures a viewpoint of the scene below it.…

网络与互联网体系结构 · 计算机科学 2017-07-25 Jacob Chakareski

This paper studies an unmanned aerial vehicle (UAV)-enabled wireless sensor network, in which one UAV flies in the sky to collect the data transmitted from a set of ground nodes (GNs) via distributed beamforming. We consider two scenarios…

信息论 · 计算机科学 2021-08-10 Tianxin Feng , Lifeng Xie , Jianping Yao , Jie Xu

The usage of unmanned aerial vehicles (UAVs) in civil and military applications continues to increase due to the numerous advantages that they provide over conventional approaches. Despite the abundance of such advantages, it is imperative…

机器学习 · 计算机科学 2021-08-25 Ilyes Mrad , Lutfi Samara , Alaa Awad Abdellatif , Abubakr Al-Abbasi , Ridha Hamila , Aiman Erbad

In traditional spread-spectrum techniques, a wideband transmit signal is obtained by modulating a wideband carrier by a narrowband signal containing a relatively low-rate message. In the receiver, the respective demodulation/despreading…

信号处理 · 电气工程与系统科学 2020-08-17 Alexei V. Nikitin , Ruslan L. Davidchack

This paper studies an unmanned aerial vehicle (UAV)-enabled wireless sensor network, in which one UAV flies in the sky to collect the data transmitted from a set of sensors via distributed beamforming. We consider the delay-sensitive…

信息论 · 计算机科学 2020-03-10 Tianxin Feng , Lifeng Xie , Jianping Yao , Jie Xu

This article proposes a cooperative friendly jamming framework for swarm unmanned aerial vehicle (UAV)-assisted amplify-and-forward (AF) relaying networks with wireless energy harvesting. Due to the limited energy of the UAVs, we develop a…

We introduce a fast algorithm for computing sparse Fourier transforms supported on smooth curves or surfaces. This problem appear naturally in several important problems in wave scattering and reflection seismology. The main observation is…

数值分析 · 数学 2008-01-11 Lexing Ying

The advancement in cyber-physical systems has opened a new way in disaster management and rescue operations. The usage of UAVs is very promising in this context. UAVs, mainly quadcopters, are small in size and their payload capacity is…

分布式、并行与集群计算 · 计算机科学 2024-05-02 Arindam Majee , Rahul Saha , Snehasish Roy , Srilekha Mandal , Sayan Chatterjee

Unmanned Aerial Vehicles (UAVs) are evolving as adaptable platforms for a wide range of applications such as precise inspections, emergency response, and remote sensing. Autonomous UAV swarms require efficient and stable communication…

密码学与安全 · 计算机科学 2025-12-03 Randolf Rotta , Pavlo Mykytyn

Unmanned aerial vehicles (UAVs)-enabled aerial communication provides a flexible, reliable, and cost-effective solution for a range of wireless applications. However, due to the high line-of-sight (LoS) probability, aerial communications…

网络与互联网体系结构 · 计算机科学 2024-04-12 Jiahui Li , Geng Sun , Qingqing Wu , Shuang Liang , Pengfei Wang , Dusit Niyato

We describe an approach based on compressive-sampling which allows for a considerable reduction in the acquisition time in Fourier-transform spectroscopy. In this approach, an N-point Fourier spectrum is resolved from much less than N…

光学 · 物理学 2010-06-15 Ori Katz , Jonathan M. Levitt , Yaron Silberberg

Unmanned aerial vehicles (UAVs) have gained considerable attention as a platform for establishing aerial wireless networks and communications. However, the line-of-sight dominance in air-to-ground communications often leads to significant…

神经与进化计算 · 计算机科学 2024-12-10 Hongjuan Li , Hui Kang , Geng Sun , Jiahui Li , Jiacheng Wang , Xue Wang , Dusit Niyato , Victor C. M. Leung

There has been a growing interest in wideband spectrum sensing due to its applications in cognitive radios and electronic surveillance. To overcome the sampling rate bottleneck for wideband spectrum sensing, in this paper, we study the…

信息论 · 计算机科学 2019-10-17 Linxiao Yang , Jun Fang , Huiping Duan , Hongbin Li

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, we develop a distributed mechanism for spectrum sharing among a network of unmanned aerial vehicles (UAV) and licensed terrestrial networks. This method can provide a practical solution for situations where the UAV network…

多智能体系统 · 计算机科学 2018-11-14 Alireza Shamsoshoara , Mehrdad Khaledi , Fatemeh Afghah , Abolfazl Razi , Jonathan Ashdown

During the past decade, the Unmanned-Aerial-Vehicles (UAVs) have attracted increasing attention due to their flexible, extensive, and dynamic space-sensing capabilities. The volume of video captured by UAVs is exponentially growing along…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Chuanmin Jia , Feng Ye , Huifang Sun , Siwei Ma , Wen Gao

Reconstructing continuous signals from a small number of discrete samples is a fundamental problem across science and engineering. In practice, we are often interested in signals with 'simple' Fourier structure, such as bandlimited,…

数据结构与算法 · 计算机科学 2018-12-24 Haim Avron , Michael Kapralov , Cameron Musco , Christopher Musco , Ameya Velingker , Amir Zandieh

State-of-the-art methods for Convolutional Sparse Coding usually employ Fourier-domain solvers in order to speed up the convolution operators. However, this approach is not without shortcomings. For example, Fourier-domain representations…

图像与视频处理 · 电气工程与系统科学 2019-09-04 Jinhui Xiong , Peter Richtárik , Wolfgang Heidrich