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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

Quantum encryption to boost European autonomy

Cyberattacks and geopolitics threaten today's increasingly digital world, leading to the disruption of essential supplies such as power and water. ESA, the European Commission and space companies in Europe are teaming up ...

Telecom

Here's the real reason to turn on airplane mode when you fly

We all know the routine by heart: "Please ensure your seats are in the upright position, tray tables stowed, window shades are up, laptops are stored in the overhead bins and electronic devices are set to flight mode."

Telecom

Antenna enables advanced satellite communications testing

On the rooftop of an MIT Lincoln Laboratory building sits a 38-foot-wide dome-shaped radio antenna enclosure, or radome. Inside the climate-controlled environment, shielded from the New England weather, a steel structure ...

Telecom

Privacy advocates demand rules for mobile providers on data use

Privacy advocates are demanding standards for mobile service providers' handling of sensitive customer information, especially location data, after a Federal Communications Commission inquiry into the top 15 carriers revealed ...

Engineering

Researchers bring first underwater messaging app to smartphones

For millions of people who participate in activities such as snorkeling and scuba diving each year, hand signals are the only option for communicating safety and directional information underwater. While recreational divers ...

Telecom

ESA technology for safer, smarter European roads

An agreement signed yesterday looks to extend the use of ESA space technology along European roads. The Agency's Navigation Directorate has finalized a Memorandum of Intent with ERTICO, the organization for the European Road ...

Engineering

New inexpensive Wi-Fi system improves fire detection

A Sydney Harbor Tunnel explosion showcases the work of UNSW researchers using wireless signals and artificial intelligence to more accurately identify dangerous fire situations.

Telecom

Software-defined satellite enters commercial service

Satellite operator Eutelsat has sold six of its eight beams—used for data and mobile communications—to organizations including governments and other users. It is expected that the entire satellite capacity will be sold in ...