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The Unmanned Aerial Vehicle(UAV)technologies are envisioned to play an important role in the era of Air-Space-Ground integrated networks.In this paper,we investigate the connectivity of a Flying Ad hoc Network(FANET)in the presence of a groundbased termin
椎间盘突出属于现代人的常见疾病,这主要是由于人们的生活环境与生活习惯改变所导致,且根据相关统计数据显示,由于中国老龄化社会发展趋势日益的严重,老年人生理功能退化的自然规律,随之带来了腰椎间盘突出等慢性疾病的患病率在中老年群体的大幅增加.数据显示,65岁以上中老年人的腰椎间盘突出,患病率已经达到了13.26％,而70岁以上的老年人腰椎间盘突出患病率已经达到了 21％.
In this paper,we investigate and analyze the network security risks faced by 5G private industrial networks.Based on current network security architecture and 3GPP requirements and considering the actual application of 5G private industrial networks,a com
The information security and functional safety are fundamental issues of wireless communica-tions sytems.The endogenous security principle based on Dynamic Heterogeneous Redundancy provides a direction for the development of wireless communi-cation securi
Beam hopping technology provides a foundation for the flexible allocation and efficient utilization of satellite resources,which is considered as a key technology for the next generation of high throughput satellite systems.To alleviate the contradiction
In this paper,we investigate a spectrumsensing system in the presence of a satellite,where the satellite works as a sensing node.Considering the conventional energy detection method is sensitive to the noise uncertainty,thus,a temporal convolutional netwo
The six-generation(6G)wireless network is expected to satisfy the requirements of ubiquitous connectivity and intelligent endogenous.Terrestrialsatellite networks(TSN)enable seamless coverage for terrestrial users in a wide area,making it very promising i
The high mobility of unmanned aerial vehicles(UAVs)could bring abundant degrees of freedom for the design of wireless communication systems,which results in that UAVs,especially UAV swarm,have attracted considerable attention.This paper considers a UAV Sw
Satellite mobile system and space-airground integrated network have a prominent superiority in global coverage which plays a critical role in remote and non-land regions, as well as emergency communications. However, due to the gradual angle attenuations