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Wireless Communications

All articles tagged with #wireless communications

technology1 year ago•4 min saved

"Engineers Pioneer 6G Wireless with Revolutionary RF Filter"

Penn Engineers have developed a revolutionary adjustable filter using yttrium iron garnet (YIG) that can prevent signal interference in higher-frequency bands, potentially enabling the next generation of wireless communications, including 6G. This new filter is significantly smaller and more power-efficient than previous models, making it suitable for mobile devices and capable of covering a broad frequency range from 3.4 GHz to 11.1 GHz.

via Tech Xplore|

#6g #electromagnetic-spectrum #filters

science-and-technology3 years ago•5 min saved

Physicists Successfully Demonstrate Time Reflections of Electromagnetic Waves

Scientists have conducted a groundbreaking experiment demonstrating the time reflection of electromagnetic waves, which has potential implications for wireless communications and optical computing. The experiment used a tailored metamaterial to observe time reflections of electromagnetic signals, causing a significant portion of the broadband signals traveling in the metamaterial to be instantaneously time reversed and frequency converted. The researchers also demonstrated that the duration of the time-reflected signals was stretched in time due to broadband frequency conversion. The achievement can pave the way for exciting applications in wireless communications and for the development of small, low-energy, wave-based computers.

via SciTechDaily|

#electromagnetic-waves #metamaterials #optical-computing

science-and-technology3 years ago•2 min saved

Physicists finally observe time reflections in electromagnetic waves.

Scientists have observed "time reflections" in electromagnetic waves, a phenomenon that was previously only hypothesized to exist. By using a special kind of material, researchers saw signals reverse in time by quickly triggering a change in the physical properties. The discovery could lead to practical applications, including wireless communications and new small, low-energy computers.

via The Independent|

#electromagnetic-waves #low-energy-computers #metamaterial