Results 191 to 200 of about 220,031 (271)

Aeronautical Telecommunication Network

Transport and Communications, 2016
Andrej Novák, Nikolas Žáčik
openaire   +1 more source

Location‐Assisted Graph‐Based User Scheduling in Multi‐User MIMO LEO NTN Systems

International Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT This paper addresses user clustering and scheduling for multi‐user MIMO low Earth orbit nonterrestrial network systems in full frequency reuse. Since the number of on‐ground user terminals is usually much higher than the number of on‐board LEO satellite antennas, user scheduling becomes a fundamental task.
Bilal Ahmad, Daniel Gaetano Riviello, Bruno De Filippo, Alessandro Guidotti, Alessandro Vanelli‐Coralli   +4 more
wiley   +1 more source

Advanced Fade Mitigation Techniques for Q/V Band SATCOM Systems

International Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT Adaptive fade mitigation techniques, such as smart gateway diversity (SGD), are essential in addressing atmospheric fading affecting the operation of high throughput and very high throughput satellite systems at Ka‐band and beyond. Specifically, the Q/V‐band, offering up to 5 GHz of available spectrum, is very attractive for future high data ...
Marianna Biscarini, Arijit De, Lorenzo Luini, Carlo Riva, Antonio Martellucci, Roberto Nebuloni   +5 more
wiley   +1 more source

Reliability of urological telesurgery compared with local surgery: multicentre randomised controlled trial.

BMJ
Wang Y, Xia D, Xu W, Rexiati M, Zhao W, Huang Q, Shi T, Wang B, Wang S, Tai S, Qiao B, Zhang Y, Ye S, Zhang X, Mao J, Zhu Y, Wang H, Ma S, Yang C, Fu W, Song T, Ai Q, Song Y, Xu L, Yang G, Gao Y, Niu S, Guo J, Liu G, Xiang X, Liang C, Ma X, Li H, Zhang X, TeleS Research Group.   +34 more
europepmc   +1 more source

Correction: Shen et al. Black Phosphorus Nano-Polarizer with High Extinction Ratio in Visible and Near-Infrared Regime. <i>Nanomaterials</i> 2019, <i>9</i>, 168. [PDF]

Nanomaterials (Basel)
Shen W, Hu C, Huo S, Sun Z, Fan G, Liu J, Sun L, Hu X.   +7 more
europepmc   +1 more source

Estimating Rain‐Specific Attenuation at Extremely High Frequencies From Disdrometer Measurements at Various Climate Zones in the US

International Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT The raindrop size distribution (DSD) plays an essential role in understanding rain attenuation effects at extremely high frequencies (EHFs). Over 1 year of DSD measurements was taken at different Köppen–Geiger climate classifications within the United States. Optical disdrometers from Thies Clima were used to measure both the size and velocity
Eugene S. Hong, George Brost, Nicholas Tarasenko, Steven A. Lane   +3 more
wiley   +1 more source

Exploring the potential role of telesurgery in the Middle East: insights from the recent Doha-Shanghai wet lab telesurgical connection. [PDF]

Qatar Med J
Gamal A, Jaber AR, Aboumarzouk O, Al-Ansari A.   +3 more
europepmc   +1 more source

Beyond 5G and Non‐terrestrial Network (NTN) Integrated Architecture: Access Challenges for Expanding Artificial Intelligence of Things (AIoT)

International Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT This study analyzes the architecture of the beyond 5G‐NTN (Non‐terrestrial Network) integrated network and presents the technical, legal, and regulatory challenges and considerations for expanding the Artificial Intelligence of Things (AIoT) ecosystem.
Byung Woon Kim, Ga Eun Choi
wiley   +1 more source

Gateway-Free LoRa Mesh on ESP32: Design, Self-Healing Mechanisms, and Empirical Performance. [PDF]

Sensors (Basel)
Arregui Almeida D, Chafla Altamirano J, Román Cañizares M, Játiva PP, Guaña-Moya J, Sánchez I.   +5 more
europepmc   +1 more source

Preprocessing Procedure for Propagation Measurements on MEO Satellite Links

International Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT This paper presents a software tool designed for preprocessing data from an experimental campaign aimed at characterizing the tropospheric propagation channel using Medium Earth Orbit (MEO) satellites. The collected data provide critical insights into the channel in scenarios involving continuous variations in azimuth and elevation, along with
Marlene Brás, Susana Mota, Armando Rocha   +2 more
wiley   +1 more source