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Precision orbit overhaul: LEO satellites team up to refine GPS accuracy
Global Navigation Satellite System (GNSS) accuracy is crucial for precise applications, yet regional networks often face challenges in maintaining this precision. Integrating data from Low Earth Orbit (LEO) satellites with ...
Telecom
Aug 26, 2024
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A third of the world lacks internet connectivity—airborne communications stations could change that
About one-third of the global population, around 3 billion people, don't have access to the internet or have poor connections because of infrastructure limitations, economic disparities and geographic isolation.
Internet
Aug 26, 2024
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51
From city streets to open skies: The new frontier in smartphone GNSS accuracy
The latest advancements in smartphone positioning technology were put to the test in a recent study. Focusing on the multi-frequency Global Navigation Satellite System (GNSS) capabilities of the Redmi K60 Ultra, the study ...
Telecom
Aug 19, 2024
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How to get internet access even when a storm knocks out power (and Wi-Fi) at home
Hurricanes, tropical storms and even severe thunderstorms can lead to power outages.
Telecom
Aug 14, 2024
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52
US companies' global market reach linked to cloud computing use
U.S. firms that use cloud-computing services are more likely to export their products and services, according to a new study by researchers at Penn State and the U.S. National Science Foundation (NSF). The team said the findings ...
Business
Aug 13, 2024
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Hybrid RF-VLC system could reduce power consumption in wireless networks
Wireless internet supports the daily activities of countless people worldwide, ranging from their professional communications to internet browsing and the streaming of movies or TV series. This spiking demand for wireless ...
Unlocking clarity in the skies: Subcarrier modulation for enhanced GNSS
The integration of subcarrier modulated signals into Global Navigation Satellite Systems (GNSS), has brought forth new layers of complexity in signal acquisition and tracking, stemming from their distinctive structure. Although ...
Telecom
Aug 5, 2024
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12
Venezuelan crisis has negatively affected country's internet, researchers find
As the Venezuelan crisis intensifies, researchers and policy experts have worked to understand its ramifications on the country's politics, economics, health services, water security, infrastructure and more.
Internet
Aug 2, 2024
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4
Fast, tap-proof data networks with light
The digital transformation means that more and more devices such as X-ray and ultrasound machines are being connected to networks in hospital settings, for example. These kinds of equipment have to be movable as needed.
Telecom
Aug 1, 2024
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4
Undersea internet cables connecting Australia to the world threatened by boats, spies, natural disasters
The Australian government this week announced it would spend A$18 million over four years on a new center aimed at keeping safe the undersea cables that power the nation's internet.
Telecom
Jul 31, 2024
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1
Interoperable multipath hemispherical map: A unified approach for enhanced GNSS precision
Multipath effects, resulting from satellite signals reflecting off objects before reaching the receiver, seriously compromise the precision of satellite navigation systems. Existing solutions like Sidereal Filtering and system-specific ...
Software
Jul 30, 2024
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2
A deep dive into polyimides for high-frequency wireless telecommunications
As 5G technologies continue to evolve, scientists and engineers are already exploring new ways to turn things up a notch for 6G. One of the biggest challenges to address in both 5G and 6G is the many detrimental effects that ...
Engineering
Jul 26, 2024
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Memristive radiofrequency switches show improved performance for mmWave applications
Radiofrequency (RF) switches are electronic components that control the routing of RF signals between different segments of circuits, for instance turning the signals on and off or redirecting them. These switches are central ...
Digital twin method can boost wireless network speed and reliability
Computer science researchers have developed a new method for predicting what data wireless computing users will need before they need it, making wireless networks faster and more reliable. The new method makes use of a technique ...
Telecom
Jul 24, 2024
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34
Microsoft says taking 'mitigation actions' after service issues
US tech giant Microsoft said Friday it was taking "mitigation actions" after service disruptions.
Business
Jul 19, 2024
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1
Microsoft users worldwide report widespread outages affecting banks, airlines and broadcasters
Microsoft users worldwide, including banks and airlines, reported widespread outages on Friday, hours after the technology company said it was gradually fixing an issue affecting access to Microsoft 365 apps and services.
Telecom
Jul 19, 2024
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36
Satnav enables medical and emergency response
Satellite navigation is not just about travel directions; its applications extend to search and rescue operations, agriculture, autonomous vehicles, sports and perhaps surprisingly, even health. ESA's NAVISP program supports ...
Telecom
Jul 17, 2024
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41
From floats to fixes: Unifying ambiguity resolution in satellite navigation
Accurate Global Navigation Satellite System (GNSS) positioning is essential for various applications, but traditional methods like Full Ambiguity Resolution (FAR) and Partial Ambiguity Resolution (PAR) have limitations in ...
Engineering
Jul 17, 2024
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9
Optical ground stations capture satellite laser signals, paving way for 1,000-fold faster communications from space
The University of Western Australia's "TeraNet," a network of optical ground stations specializing in high-speed space communications, has successfully received laser signals from a German satellite in low Earth orbit. This ...
Telecom
Jul 15, 2024
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Germany to ban Chinese telecom giants from 5G network
Germany said Thursday it will phase out the use of components from Chinese telecom giants Huawei and ZTE in its 5G networks in the coming years due to national security concerns.
Business
Jul 11, 2024
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1
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