An Atlas 5 rocket with the Amazon’s Project Kuiper Protoflight spacecraft lifts off from Space Launch Complex-41 at Cape Canaveral Space Force Station in Cape Canaveral, Fla., Friday, Oct. 6,…
Tag: Telecom
Near-field wideband channel estimation for extremely large-scale MIMO
Bilinear pattern of near-field beam split. Credit: Science China Press Extremely large-scale multiple-input-multiple-output (XL-MIMO) at millimeter-wave (mmWave) and terahertz (THz) bands plays an important role in 6G networks for its…
Scientists develop an energy-efficient wireless power and information transfer system
The SWIPT-NOMA-DAS framework is five times more efficient than SWIPT-NOMA without DAS and performs 10% better than SWIPT-OMA-DAS, a significant boost for the IoT communications technology. Credit: Associate Professor Dong-Wook…
Exploring the dual iconic features and enabling technologies of 6G
The 6G vision and two categories of applications: digital twins and the meta-universe. Credit: Shanzhi Chen, Shaoli Kang The journal Engineering has released a study on the sixth generation (6G)…
Field campaign assesses vulnerabilities of 5G networks
The team deployed two trucks containing sensor systems to perform 5G signal geolocation based on angle-of-arrival estimates. Credit: Massachusetts Institute of Technology Fifth-generation, or 5G, mobile network technology is all…
Acquiring CSI in RIS-assisted mobile communication systems
(a) Units in a passive RIS only have the reflection mode and cannot amplify the incident wave. (b) A selection-type hybrid RIS has a few active sensors. A switch is…
Satellite security lags decades behind the state of the art
The inside of a small satellite. Credit: RUB, Marquard Thousands of satellites are currently orbiting the Earth, and there will be many more in the future. Researchers from Ruhr University…
As if air travel isn’t hard enough, 5G wireless signals could disrupt flights starting this weekend
People travel through Salt Lake City International Airport Friday, June 30, 2023, in Salt Lake City. Credit: AP Photo/Rick Bowmer Airline passengers who have endured tens of thousands of weather-related…
Lasers enable internet backbone via satellite, may soon eliminate need for deep-sea cables
The researchers tested data transmission by laser over 53 kilometres from the Jungfraujoch to Zimmerwald near Bern. Credit: ETH Zurich Optical data communications lasers can transmit several tens of terabits…
