Zobrazeno 1 - 10
of 99
pro vyhledávání: '"Weizhi Zhong"'
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2024, Iss 1, Pp 1-26 (2024)
Abstract Cellular-connected unmanned aerial vehicles (UAVs), which have the potential to extend cellular services from the ground into the airspace, represent a promising technological advancement. However, the presence of communication coverage blac
Externí odkaz:
https://doaj.org/article/021ff8ca3c874643b13570674e4766c8
Autor:
Xuchao Ye, Qiuming Zhu, Hangang Li, Kai Mao, Hanpeng Li, Xiaomin Chen, Boyu Hua, Weizhi Zhong
Publikováno v:
Drones, Vol 8, Iss 8, p 416 (2024)
With the rapid development of unmanned aerial vehicles (UAVs), UAV-based communications have shown promising application prospects in beyond-fifth-generation (B5G) and sixth-generation (6G) communication. Air-to-ground (A2G) channel characteristics a
Externí odkaz:
https://doaj.org/article/09be0b397e8b40eea6878d16cf4cfbbb
Publikováno v:
eFood, Vol 5, Iss 2, Pp n/a-n/a (2024)
Abstract This study aimed to investigate the pharmacokinetic difference of quercetin between normal and type 2 diabetes mellitus (T2DM) rats. Our results showed that the mean residence time and half time were significantly increased, while the peak c
Externí odkaz:
https://doaj.org/article/e902419917e648cf96acd2ae1c711ee2
Autor:
Miguel I Paredes, Amanda C Perofsky, Lauren Frisbie, Louise H Moncla, Pavitra Roychoudhury, Hong Xie, Shah A Mohamed Bakhash, Kevin Kong, Isabel Arnould, Tien V Nguyen, Seffir T Wendm, Pooneh Hajian, Sean Ellis, Patrick C Mathias, Alexander L Greninger, Lea M Starita, Chris D Frazar, Erica Ryke, Weizhi Zhong, Luis Gamboa, Machiko Threlkeld, Jover Lee, Jeremy Stone, Evan McDermot, Melissa Truong, Jay Shendure, Hanna N Oltean, Cécile Viboud, Helen Chu, Nicola F Müller, Trevor Bedford
Publikováno v:
PLoS Pathogens, Vol 20, Iss 3, p e1012117 (2024)
SARS-CoV-2 transmission is largely driven by heterogeneous dynamics at a local scale, leaving local health departments to design interventions with limited information. We analyzed SARS-CoV-2 genomes sampled between February 2020 and March 2022 joint
Externí odkaz:
https://doaj.org/article/969775afc55a4a1ba6bff822d4c59f3f
Autor:
Xiang Liu, Weizhi Zhong, Xin Wang, Hongtao Duan, Zhenxiong Fan, Haowen Jin, Yang Huang, Zhipeng Lin
Publikováno v:
Drones, Vol 8, Iss 5, p 199 (2024)
To address the issue of limited application scenarios associated with connectivity assurance based on two-dimensional (2D) trajectory planning, this paper proposes an improved deep reinforcement learning (DRL) -based three-dimensional (3D) trajectory
Externí odkaz:
https://doaj.org/article/dfe050f05eed4375a9d702442f516d5c
Publikováno v:
IET Communications, Vol 17, Iss 5, Pp 538-548 (2023)
Abstract Spectrum resources are becoming harder to come by for wireless communications. The spectrum environment map (SEM), which depicts the electromagnetic environment's current state and future trend, is a valuable technique for managing and alloc
Externí odkaz:
https://doaj.org/article/ec842ed436e44ba48b880ea54d6ee600
Autor:
Patrick S. Creisher, Jamie L. Perry, Weizhi Zhong, Jun Lei, Kathleen R. Mulka, W. Hurley Ryan III, Ruifeng Zhou, Elgin H. Akin, Anguo Liu, Wayne Mitzner, Irina Burd, Andrew Pekosz, Sabra L. Klein
Publikováno v:
The Journal of Clinical Investigation, Vol 133, Iss 20 (2023)
SARS-CoV-2 infection during pregnancy is associated with severe COVID-19 and adverse fetal outcomes, but the underlying mechanisms remain poorly understood. Moreover, clinical studies assessing therapeutics against SARS-CoV-2 in pregnancy are limited
Externí odkaz:
https://doaj.org/article/609bbef57c044278ab347976dc978a4e
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2022, Iss 1, Pp 1-17 (2022)
Abstract For unmanned aerial vehicle (UAV) millimeter-wave (mmWave) communication systems, efficient and accurate beam training is urgently required to overcome beam misalignment. By taking into account the mmWave propagation environment, a three-dim
Externí odkaz:
https://doaj.org/article/0a320fb9bb594ab4b2dd825232f6f83c
Publikováno v:
IEEE Access, Vol 8, Pp 143134-143143 (2020)
For the unmanned aerial vehicle (UAV) communication scenarios, the time-varying fading characteristics cased by the three-dimensional(3D) scattering environment and 3D trajectory have an important impact on establishing the reliable communication lin
Externí odkaz:
https://doaj.org/article/7835de2dd7f1403bb7eb604d532d9cec
Publikováno v:
IEEE Access, Vol 7, Pp 133442-133451 (2019)
By considering the velocity variations of both terminals and moving scatterers, a general segment-based model for non-stationary vehicle-to-vehicle (V2V) channels is proposed in this paper. The time evolving channel parameters, i.e., Doppler frequenc
Externí odkaz:
https://doaj.org/article/a87c1a0feca14c7dabd293bf2e9b479b