Zobrazeno 1 - 10
of 141
pro vyhledávání: '"Bin, Duo"'
Publikováno v:
Jichu yixue yu linchuang, Vol 44, Iss 12, Pp 1670-1677 (2024)
Objective To observe the expression levels and related mechanisms of miR-34a and its inflammatory-related factors in broncho-alveolar lavage fluid of patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD). Methods Totally
Externí odkaz:
https://doaj.org/article/5b9eafe34b0c4d5f9078e5de01604165
Publikováno v:
Drones, Vol 8, Iss 7, p 301 (2024)
This work focuses on maximizing the sum rate of ultra-reliable low-latency communication (URLLC) systems by leveraging unmanned aerial vehicle-mounted reconfigurable intelligent surface (UAV-RIS) to provide short packet services for users based on th
Externí odkaz:
https://doaj.org/article/e37ed76e9bbb4c7c9dd40dcacb2eae44
This paper investigates a novel unmanned aerial vehicles (UAVs) secure communication system with the assistance of reconfigurable intelligent surfaces (RISs), where an UAV and a ground user communicate with each other, while an eavesdropper tends to
Externí odkaz:
http://arxiv.org/abs/2008.09404
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2022, Iss 1, Pp 1-16 (2022)
Abstract As a promising new technology for green communication, backscatter communication has attracted wide attention in academics and industry. This paper studies the resource allocation problem for an unmanned aerial vehicle (UAV)-assisted backsca
Externí odkaz:
https://doaj.org/article/54c92a4d287445a39a995f7c2ddfd592
Publikováno v:
Drones, Vol 7, Iss 9, p 591 (2023)
Recently, unmanned aerial vehicles (UAVs) have gained significant popularity and have been extensively utilized in wireless communications. Due to the susceptibility of wireless channels to eavesdropping, interference and other security attacks, UAV
Externí odkaz:
https://doaj.org/article/fcc8650cd26a494d9327bee02c042587
Publikováno v:
Applied Sciences, Vol 13, Iss 5, p 2971 (2023)
In the unmanned aerial vehicle (UAV) assisted non-orthogonal multiple access (NOMA) networks, the practical hardware impairments (HIs) and resource allocation is still a challenging problem. Most existing research on resource allocation algorithms fo
Externí odkaz:
https://doaj.org/article/166857de13004f0089ed269f75da645e
Publikováno v:
Drones, Vol 7, Iss 2, p 109 (2023)
Because of their low expense and ease of rapid deployment, unmanned aerial vehicles (UAVs) are frequently applied in wireless networks. Although the wireless channel is able to broadcast, legitimate communications between UAVs and ground nodes are in
Externí odkaz:
https://doaj.org/article/f4ec8923613849c88ba8dfeaf70e6329
Publikováno v:
Remote Sensing, Vol 15, Iss 4, p 938 (2023)
Haze, generated by floaters (semitransparent clouds, fog, snow, etc.) in the atmosphere, can significantly degrade the utilization of remote sensing images (RSIs). However, the existing techniques for single image dehazing rarely consider that the ha
Externí odkaz:
https://doaj.org/article/351ce18814b24883b29ccd237a20c303
Publikováno v:
Mathematics, Vol 10, Iss 15, p 2807 (2022)
Community detection is an essential task in network analysis and is challenging due to the rapid growth of network scales. Recently, discovering communities from the local perspective of some specified nodes called seeds, rather than requiring the gl
Externí odkaz:
https://doaj.org/article/f9f183c8869a4aaaab0e72f6b0d2176d
Publikováno v:
IEEE Communications Letters. 27:1372-1376
This letter considers the reconfigurable intelligent surface (RIS)-aided unmanned aerial vehicle (UAV) communication systems in urban areas under the general Rician fading channel. A hybrid offline-online design is proposed to improve the system perf