Telecom
Improving the performance of satellites in low earth orbit
Credit: Tokyo Institute of Technology On-chip distributed radiation sensors and current-sharing techniques can be used to reduce the impact of...
New transmitter design for small satellite constellations improves signal transmission
Credit: Tokyo Institute of Technology A novel transmitter design proposed in a recent study could solve some of the challenges...
Electronic metadevices break barriers to ultra-fast communications
Port definition and electric field patterns and current densities in metadevices. a, Three-dimensional schematic of a straight-gap device showing the...
Slicing capacity-centered mode selection for network-assisted full-duplex cell-free distributed massive MIMO systems
Slicing capacity-centered NAFD cell-free distributed massive MIMO system. Credit: Science China Press Network-assisted full-duplex (NAFD) systems enable uplink and downlink...
Piloting drones reliably with mobile communication technology
Wingcopter in Malawi. Credit: Falco Seliger Drones are operating increasingly in areas out of sight of the person controlling them....
Nationwide survey aims to improve communications devices for fire, police, EMT and 911 crews
Credit: B. Hayes/NIST Our first responders have spoken. An extensive research project conducted by experts at the National Institute of...
NOAA satellites can track hurricanes and hundreds of missing people sending SOS signals
Credit: Pixabay/CC0 Public Domain Imagine being in a boat miles from shore when the engine fails, or getting lost in...
How ‘zero-trust’ could enable safe data exchange in space
Credit: CC0 Public Domain Incidents such as the 2021 Colonial Pipeline hack and ransomware attacks on U.S. colleges and universities...
Device transmits radio waves with almost no power—without violating the laws of physics
This experimental setup shows an ultra-low-power wireless communications device that could one day be used in tiny remote sensors. Credit:...
New antennas and microchips help electronics blur the line between science and sci-fi
Kaushik Sengupta. Credit: Princeton University Sophisticated antenna arrays paired with high-frequency wireless chips act like superpowers for modern electronics, boosting...
A system to enable multi-kilometer and sub-terahertz communications at extremely high frequency bands
Compact transmitter and receiver for long-range communications above 100 GHz. Credit: Sen et al. After the introduction of the fifth-generation...
High-speed, high-capacity power amplifier for next-generation networks
Newly developed D band power amplifier. Credit: NEC Corporation NEC Corporation has developed a power amplifier that will serve as...
3D-printed antennas could bring 5G and 6G to remote communities
3D-printed radio antennas. Credit: University of Sheffield 3D-printed radio antennas that could help bring stronger mobile phone signals and faster...
Integrated photonic circuits could help close the ‘terahertz gap’
Credit: Alain Herzog EPFL researchers have collaborated with colleagues at Harvard and ETH Zurich on a new thin-film circuit that,...
Using cosmic rays to generate and distribute random numbers and boost security for local devices and networks
When both sender and receiver have identical random numbers, they can share encrypted data without the need to share a...
Smart city campaign gets a D for failing to connect with residents
Credit: Pixabay/CC0 Public Domain A questionnaire sent to South Australian households has found that more than half don't understand what...
Highspeed visible light communication based on micro LEDs
Fig. 1. Summary of the review, which includes modulation bandwidth improvement, white light emitting diodes (WLED)-based VLC, μLED detector and...
Identifying a vulnerability in critical spacecraft networks
Credit: Pixabay/CC0 Public Domain When NASA docks two spacecraft in orbit, timing is critical. Their movements must be precisely synchronized...
Delta says free Wi-Fi coming to many US flights next month
A Delta Air Lines plane takes off from Hartsfield-Jackson Atlanta International Airport in Atlanta, Nov. 22, 2022. Delta announced Thursday,...
A new terahertz wireless link could bridge the digital divide, says researcher
Josep Jornet, an associate professor of electrical and computer engineering at Northeastern, proved it is possible to maintain a two...
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Hackers scored data center logins for big corporations more than a year ago. Now they’re selling that information
Credit: Pixabay/CC0 Public Domain In an episode that underscores the vulnerability of global computer networks, hackers got ahold of login...
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19-year-old man killed in single-vehicle collision in Hamilton
Hamilton police say a 19-year-old driver who died following a single-vehicle crash in Hamilton hit a concrete pillar underneath an...
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