The positioning, navigation, and timing (PNT) information is fundamental to modern information systems. Over the years, people have invented many navigation systems to get PNT information, whereas ...
Finding accurate locations in dense cities has long challenged satellite-based navigation, where tall buildings and signal blockage often lead to ...
Accurate smartphone positioning in dense urban environments remains challenging due to signal blockage, multipath effects, and unreliable satellite ...
Research indicates that a 24-hour GNSS outage could cost the U.K. economy £1.4 billion through cascading effects on logistics, transportation, and critical infrastructure, underscoring the need for ...
Finding accurate locations in dense cities has long challenged satellite-based navigation, where tall buildings and signal blockage often lead to ...
Interesting Engineering on MSN
Satellite navigation temporarily goes blind in Chinese city; GPS, BeiDou face blackout
Powerful jamming knocked out GPS and BeiDou in Nanjing, affecting millions of residents and city services.
Food delivery, drone control and ride-hailing apps paralysed during satellite navigation blackout in city of nearly 10 ...
The omnipresent system that people use for navigation and positioning is increasingly vulnerable. Can it be improved?
Many of today’s AI models are all about scale. They gobble up energy and demand constant increases in compute power to stay ...
Tech Xplore on MSN
Sentinel-6B extends global ocean height record
On November 16, 2025, the Sentinel-6B satellite launched from Vandenberg Space Force Base (VSFB) in California.
Hesai will supply its solid-state FTX lidar to Meituan's Keeta Drone to support next-generation, all-weather urban delivery flights.
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