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 ...
Jul 30, 2024
0
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 ...
Jul 26, 2024
0
8
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 ...
Jul 24, 2024
0
34
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.
Jul 19, 2024
0
36
Microsoft says taking 'mitigation actions' after service issues
US tech giant Microsoft said Friday it was taking "mitigation actions" after service disruptions.
Jul 19, 2024
0
1
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 ...
Jul 17, 2024
0
9
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 ...
Jul 17, 2024
0
41
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 ...
Jul 15, 2024
0
20
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.
Jul 11, 2024
0
1
New model predicts impact of reconfigurable intelligent surfaces on radio wave propagation
A method to analytically express the performance of wireless communication systems when using reconfigurable intelligent surfaces (RIS) has been successfully developed by researchers at Tohoku University, the University of ...
Jul 10, 2024
0
52
Compact and scalable multiple-input multiple-output systems for future 5G networks
A 28GHz time-division multiple-input multiple-output (MIMO) receiver with eight radio frequency elements, each occupying just 0.1 mm2, has been developed by researchers at Tokyo Tech using 65nm CMOS technology. This innovative ...
Jul 10, 2024
0
10
International team creates high-frequency switch for future 6G networks
UAB (University of Barcelona) researchers were involved in the development of a switch, an essential device in telecommunications, capable of operating at very high frequency with lower power consumption than conventional ...
Jul 9, 2024
0
43
A backscatter communication technique for low-power internet of things communication
Backscatter communication (BackCom) is a promising low-power method for the widespread adoption of the Internet of Things (IoT) technologies, where connected devices reflect and modulate existing signals by altering their ...
Jul 9, 2024
0
4
Better understanding of wave propagation processes could boost 5G and 6G networks
Researchers from the Smart and Wireless Applications and Technologies Group (SWAT-UGR) have conducted two scientific studies aimed at answering a common question: understanding how electromagnetic waves propagate in the medium.
Jul 8, 2024
0
44
BeiDou satellite navigation system to undergo significant upgrade
The BeiDou Navigation Satellite System (BDS) is undergoing a significant upgrade to meet the burgeoning needs for high-precision positioning across various sectors. The new services aim to provide decimeter-level accuracy ...
Jul 5, 2024
0
1
Quantum communication: How will 'quantum-secure' communication technologies develop in future?
Fraunhofer ISI and Saarland University have analyzed three generations of quantum communication in a new study. The study's quantitative monitoring gives insights into patent development, projects future growth, and compares ...
Jul 4, 2024
0
3
Amazon's Project Kuiper delays satellite timeline, opens Washington hub
As Amazon celebrated the opening of a Kirkland, Washington, manufacturing facility for its broadband network Project Kuiper, the company pushed back its timeline for launching satellites.
Jul 1, 2024
0
1