Oct 3, 2024 · China on Wednesday completed the installation of 20 units of five-megawatt wind turbines after a six-month endeavor. Situated in the Xizang Autonomous Region, with the
Mar 11, 2024 · The digital airspace offers new opportunities in the sky, such as mission-critical mobile broadband solutions and high altitude communication for aircraft [4]. In the latter use
Nov 20, 2014 · New heights: the role of high-altitude wind turbines in future power generation MIT spin-off Altaeros Energies has created the BAT – the Buoyant
Dec 14, 2020 · 原标题：北航祝明详解HAPs：连接天-空-地,实现数据中继和系统互联互通 C114讯 12月14日消息（九九）日前,由中国移动研究院主办
Jun 24, 2023 · Safwan Alfattani, Wael Jaafar, Halim Yanikomeroglu, and Abbas Yongaçoglu Abstract—The high altitude platform station (HAPS) concept has recently received notable
Jan 12, 2022 · At present, seismic monitoring network in the territory of Turkmenistan and neighboring states counts 19 stationary and 22 independent stations. In cooperation with a
Nov 14, 2022 · This paper presents a high altitude platform (HAP) communication system which applies the idea of satellite communication technology to it. The communication platform can
Mar 27, 2023 · This paper presents a high altitude platform (HAP) communication system which applies the idea of satellite communication technology to it. The communication platform can
Feb 17, 2021 · Introduction: A High Altitude Platform Station (HAPS) is a wireless network node that operates in the stratosphere at an of altitude around 20 km
May 1, 2020 · This paper provides an up-to-date review of wireless communications service provisioning from High-Altitude Platforms (HAPs) in rural or remote areas
<p>High Altitude Platform (HAP) systems comprise airborne base stations deployed above 20 km and below 50 km to provide wireless access to devices in large areas. In this paper, two types
Jun 2, 2023 · One of the primary tasks for effective disaster relief after a catastrophic earthquake is robust communication. In this paper, we propose a simple logistic method based on two
Feb 1, 2017 · This paper presents an in-depth review of the state-of-the-art of high altitude wind power, evaluates the technical and economic viability of deploying high altitude wind power as
Jul 9, 2025 · Turkmenistan as an important oil and gas producing country is a major exporter of electricity in Central Asia. The country has an enormous potential for wind and solar energy
Jun 10, 2022 · In this study, we proposed a methodology for assessing damage to mobile communication facilities subjected to major earthquakes, with consideration of both ground
Jun 25, 2021 · A key advantage of HAPS is the favourable radio propagation conditions afforded by the aircraft''s operational altitude, thereby allowing a high probability of line-of-sight with the
Dec 1, 2024 · Seismic functional fragility curves for typical communication base stations are provided. The reliability and resilience of communication base stations are critical to the post
Jul 14, 2023 · On February 6, 2023, two powerful earthquakes with mag-nitude 7.8 and 7.5 hit south and central Turkey (Guo et al. (2023)). They caused widespread damage in the region
Ke et al. proposed a method for assessing damage to mobile communication facilities during large earthquakes. The study analyzed the impact of power outages and evaluated the damage caused by ground motion to base stations using fragility curves .
Analyzing and summarizing these observed seismic damages can enhance our understanding of the impairment of communication base stations during earthquakes, providing valuable information for establishing a Bayesian network model for functionality loss.
The current research focuses on three levels: individual equipment, base station systems, and communication networks. At the level of individual equipment, the seismic performance of various critical equipment in communication systems has been studied [3, 4].
A method to evaluate the post-earthquake functionality of communication base stations using Bayesian network is developed. The dependence between the equipment and its hosting building structure, and the impact of power outages are considered. The method is validated using seismic damage data from the Ludian Earthquake.
In several major earthquakes, communication tower damage tends to be relatively minor, often lacking obvious damage . However, in high-intensity areas, the apex of some mountaintop base station towers might experience bending and damage, altering or detaching antenna orientations. A few towers might even collapse.
For example, in areas with high PGA values, reinforcement measures such as increasing the thickness of reinforced concrete walls and installing supports or dampers can be implemented to enhance the base station's seismic resistance and reduce its seismic risk. 4.3. Functional failure causes of base station
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