Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Yiming Huo"'
Publikováno v:
Electronics Letters, Vol 59, Iss 20, Pp n/a-n/a (2023)
Abstract In this letter, the authors present a novel expression for the probability of line‐of‐sight (LoS) between a UAV and ground users situated on a gridded street within urban and dense urban environments. Firstly, this study conducts extensi
Externí odkaz:
https://doaj.org/article/55d37453832f4126a1945d07cb0f0600
Autor:
Yiming Huo
Publikováno v:
Signals, Vol 3, Iss 3, Pp 428-467 (2022)
Recent years have seen unprecedentedly fast-growing prosperity in the commercial space industry. Several privately funded aerospace manufacturers, such as Space Exploration Technologies Corporation (SpaceX) and Blue Origin have transformed what we us
Externí odkaz:
https://doaj.org/article/08753a562cb24839a819851ea48a825c
Publikováno v:
Sensors, Vol 23, Iss 23, p 9506 (2023)
Efficient routing in urban vehicular networks is essential for timely and reliable safety message transmission, and the selection of paths and relays greatly affects the quality of routing. However, existing routing methods usually face difficulty in
Externí odkaz:
https://doaj.org/article/812ac3d5de9346a59ceb5ad762c70680
Publikováno v:
IEEE Access, Vol 10, Pp 125930-125941 (2022)
Through ray tracing simulation on three-dimensional (3D) urban environments, we characterize air-to-ground (A2G) channels for 5G and beyond wireless communications. In this study, we review four types of elevation angle-dependent probability of line-
Externí odkaz:
https://doaj.org/article/594afadb07e44072af12d76c5f1fa7fa
Publikováno v:
Drones, Vol 7, Iss 7, p 423 (2023)
Our study proposes a UAV communications recovery strategy under meteorological conditions based on a ray tracing simulation of excessive path loss in four distinct three-dimensional (3D) urban environments. We start by reviewing the air-to-ground pro
Externí odkaz:
https://doaj.org/article/2f36c7022b6242178a6efe6e30a68ff3
Autor:
Yiming Huo, Xingqin Lin, Boya Di, Hongliang Zhang, Francisco Javier Lorca Hernando, Ahmet Serdar Tan, Shahid Mumtaz, Özlem Tuğfe Demir, Kun Chen-Hu
Publikováno v:
Sensors, Vol 23, Iss 13, p 6062 (2023)
At the dawn of the next-generation wireless systems and networks, massive multiple-input multiple-output (MIMO) in combination with leading-edge technologies, methodologies, and architectures are poised to be a cornerstone technology. Capitalizing on
Externí odkaz:
https://doaj.org/article/79ef25ef9cc94bb6b34788015a875f31
Publikováno v:
IEEE Access, Vol 7, Pp 116975-117008 (2019)
The fifth generation (5G) research and development has been fueled by many new breakthroughs in various areas. The recent progress in carrier aggregation (CA), licensed assisted access (LAA), massive MIMO (MaMi), beamforming techniques, cooperative s
Externí odkaz:
https://doaj.org/article/91be6fd10f4c4b76acc47531ee421d55
Publikováno v:
Journal of Ophthalmology, Vol 2021 (2021)
Purpose. To evaluate the differences in macular choroidal thickness and volume between patients with primary open-angle glaucoma (POAG) and healthy controls to assess the correlation between macular choroidal thickness and visual field mean defect (M
Externí odkaz:
https://doaj.org/article/64e911ec71cc47c3a7309082b73f5752
Autor:
Fan Li, Yiming Huo, Lihua Ma, Qing Zhang, Hengli Zhang, Xiaowei Yan, Yulei Geng, Guangxian Tang
Publikováno v:
Journal of Ophthalmology, Vol 2021 (2021)
Purpose. To evaluate the differences in macular choroidal thickness and volume among patients with pseudoexfoliative glaucoma (PXG), patients with primary open-angle glaucoma (POAG), and controls. Methods. A total of 50 PXG patients (50 eyes) and 56
Externí odkaz:
https://doaj.org/article/372ab2e246d048cfb65ef84101bbf421
Publikováno v:
IEEE Access, Vol 6, Pp 14954-14965 (2018)
Transmitted reference pulse cluster (TRPC) signaling was recently proposed and developed for noncoherent ultra-wideband (UWB) communications. In this paper, a practical passband TRPC-UWB system is designed and analyzed to deal with the carrier freque
Externí odkaz:
https://doaj.org/article/ca3370b5cbdd4473b5530f3cc9976b4b