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Internet

Galileo signal updated for Internet-of-Things use

In April, Galileo marked a step forward with the deployment of a new signal component, known as E5a Quasi Pilot, on 12 satellites of Europe's satellite navigation constellation. This upgrade makes Galileo signals easier to ...

Telecom

Aperture-tuning antenna keeps 5G signals strong across wider frequencies

A compact aperture-adjustable antenna developed by researchers at Science Tokyo could improve high-speed wireless communication across the wide 5G millimeter-wave frequency bands without increasing power consumption. The ...

Engineering

A low-tech solution to the 6G problem—metacrystal panels offer cheap way to guide wireless signals around corners

Basements, tunnels, large buildings—a weak Wi-Fi or mobile signal in these hard-to-reach places is frustrating. The usual solution is to add more electronics like routers, repeaters and base stations. Yet, as we move towards ...

Telecom

Optical wireless quantum security: Free-space QKD and Li-Fi in one system

The German consortium QuINSiDa has achieved a major step toward mobile quantum-secure communication. They demonstrated a one-of-a-kind free-space data transfer channel supporting, for the first time, LiFi and major quantum ...

Telecom

Microcombs unlock 112 Gbps wireless link at 560 GHz for 6G

Researchers at Tokushima University have demonstrated single-channel wireless transmission at 112 Gbps in the 560 GHz band using soliton microcombs, marking a significant step toward next-generation 6G communications.

Telecom

New fiber optic data transmission speed record

A new data transmission speed record of 450 terabits per second using an existing, commercially installed optical fiber link has been set by a team of engineers involving UCL researchers. The achievement was presented at ...

Telecom

Researchers achieve 100-meter underground wireless communication

Korean researchers have confirmed that underground wireless communication is possible, moving beyond the terrestrial wireless communication they have primarily focused on until now. This opened up a new wireless channel for ...

Telecom

Musk activates Starlink internet service in Ukraine

Elon Musk said Saturday his company SpaceX's Starlink satellite broadband service had been activated in Ukraine, after a Kyiv official urged the tech titan to provide his embattled country with stations.

Telecom

Tonga back online as undersea cable repaired

Internet connection was restored in Tonga on Tuesday, five weeks after a massive volcanic eruption shredded the undersea cable that connects the Pacific nation with the rest of the world.

Telecom

Musk donates satellite gear to reconnect Tonga

Tonga says space entrepreneur and Tesla founder Elon Musk has donated 50 satellite terminals to help the volcano-damaged Pacific island reconnect with the world.

Telecom

New laser station lights the way to debris reduction

ESA's Izaña-1 laser ranging station in Tenerife, Spain, has recently undergone months of testing and commissioning, passing its final tests with flying colors. As it reached "station acceptance," it was handed over to ESA ...