News tagged with bandwidth
Physicists Detect Single-Electron Tunneling with Quantum Dots
(PhysOrg.com) -- Detecting the coherent motion of a single electron is a challenge, for the simple reason of scale: the timescale of the coherent motion of a single-electron wave function is in the picosecond ...
May 06, 2009 |
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Metamaterials approach makes better satellite antennas
(PhysOrg.com) -- Cheaper, lighter and more energy-efficient broadband devices on communications satellites may be possible using metamaterials to modify horn antennas, according to engineers from Penn State ...
Jan 31, 2011 |
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Social Security's IT system could benefit by joining the cloud, scientist says
The Social Security Administration (SSA) should restructure its already massive information technology (IT) systems so they can be readily scaled up, much like the systems used by Google and Amazon, William L. Scherlis, professor ...
Technology / Computer Sciences
May 09, 2012 |
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First hyperlens for sound waves created
Ultrasound and underwater sonar devices could "see" a big improvement thanks to development of the world's first acoustic hyperlens. Created by researchers with the U.S. Department of Energy's Lawrence Berkeley ...
Oct 25, 2009 |
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Microsoft advocates new WiFi-NC to make use of white spaces in spectrum
(PhysOrg.com) -- Four years ago, the FCC began allowing limited use of the so-called white spaces in the electromagnetic spectrum that is shared by all wireless devices (in the United States). The white spaces ...
Jan 09, 2012 |
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Intel's new X79 chipset details leaked
(PhysOrg.com) -- Today's technology rumor has to do with Intel. A Chinese site, it.com.cn, has supposedly gotten its hand's on a slide from Intel, a slide that outlines their next platform chipset. The slide ...
Mar 31, 2011 |
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First 'white space' devices about to debut
(PhysOrg.com) -- Google, and eight other already approved companies are likely to soon be joined by Microsoft as they all take a giant leap into the great "white space" unknown. Because bandwidth for computing devices has ...
May 25, 2011 |
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New compact microspectrometer design achieves high resolution and wide bandwidth
A new microspectrometer architecture that uses compact disc-shaped resonators could address the challenges of integrated lab-on-chip sensing systems that now require a large off-chip spectrometer to achieve ...
Jun 20, 2011 |
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More chip cores can mean slower supercomputing, simulation shows
(PhysOrg.com) -- The worldwide attempt to increase the speed of supercomputers merely by increasing the number of processor cores on individual chips unexpectedly worsens performance for many complex applications, ...
Technology / Computer Sciences
Jan 14, 2009 |
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New bandwidth management techniques boost operating efficiency in multi-core chips
Researchers from North Carolina State University have developed two new techniques to help maximize the performance of multi-core computer chips by allowing them to retrieve data more efficiently, which boosts chip performance ...
Technology / Computer Sciences
May 25, 2011 |
4.9 / 5 (8) |
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Secure, synchronized, social TV
Network coding is an innovative new approach to network design that promises much more efficient use of bandwidth, and MIT researchers have made seminal contributions to its development. But in recent work, ...
Apr 01, 2011 |
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New network solution from On-Ramp allows for limited long distance WiFi
(PhysOrg.com) -- Recognizing the need for long distance WiFi, even at the expense of bandwidth, On-Ramp Wireless has unveiled a product capable of delivering WiFi up to 45 miles in an un-obscured environment. Though only ...
Jun 29, 2011 |
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Why Is My Internet Slow?
(PhysOrg.com) -- Most people don't understand how their broadband Internet connection works, they just know when it doesn't. When that happens, they do one of two things: consult the tech wizard in their house, or call their ...
Apr 12, 2010 |
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Nokia Siemens Networks achieves world record copper DSL speeds
Nokia Siemens Networks has successfully tested a technology that could drastically increase the data carrying capacity of standard copper wires. The company achieved data transmission speeds of 825 megabits per second (Mbps) ...
Oct 31, 2010 |
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Explained: The Shannon limit
It's the early 1980s, and you’re an equipment manufacturer for the fledgling personal-computer market. For years, modems that send data over the telephone lines have been stuck at a maximum rate of 9.6 kilobits ...
Technology / Computer Sciences
Jan 19, 2010 |
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