A new, ultra-fast wireless Internet network is threatening to overpower GPS signals across the U.S. and interfere with everything from airplanes to police cars to consumer navigation devices.
Telecom
Apr 6, 2011
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Microchips play an important role in industrial and household electronics. Their miniaturized circuits must not only function faultlessly but also consume as little energy as possible. Researchers are now working on making ...
Electronics & Semiconductors
May 15, 2013
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Federal regulators have granted a Virginia company called LightSquared a two-week extension to report on recent tests that aimed to determine whether its proposed high-speed wireless broadband network would cripple GPS systems ...
Telecom
Jun 16, 2011
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(PhysOrg.com) -- Wireless tire pressure monitoring systems designed to alert drivers to problems with low tire pressure can be intercepted or forged, causing possible security or privacy threats, according to research at ...
Engineering
Sep 2, 2010
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Back when walkie-talkies and car radios represented the height of wireless technology, there were plenty of frequencies to go around. The spectrum of radio waves was easily parsed into discrete packets: one for the oldies ...
Telecom
Oct 1, 2013
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Electromagnetic waves in the terahertz frequency range offer many advantages for communications and advanced applications in scanning and imaging, but realizing their potential poses challenges. Researchers at Tohoku University ...
Optics & Photonics
Mar 11, 2024
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LightSquared, a Virginia-based company that plans to build a nationwide wireless broadband network, is proposing to adapt its network so as not to interfere with GPS systems.
Telecom
Jun 20, 2011
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In the first phase of a more than two-year study funded by InterDigital, Virginia Tech researchers have made great strides in the development of more reliable and efficient spectrum sensing techniques that will be needed ...
Telecom
Jan 24, 2011
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As the number of mobile devices grows along with demand for faster connections and larger data volumes, wireless networks can easily exceed capacity, resulting in severe network slowdowns and outages. While engineers have ...
Telecom
Jul 18, 2016
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A promising way to improve future wireless communication speed is to have users and/or base stations help each other. This is called cooperative communications. One of the practical difficulties in cooperative communications ...
Telecom
Oct 24, 2011
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