Posts Tagged ‘wireless networks’
Double wireless capacity with ‘full-duplex’
RICE U. (US) — A new technology that allows wireless devices to “talk” and “listen” on the same frequency could pave the way for 4.5G and 5G networks. Continue…
Wednesday, September 7, 2011 9:21 - 0 Comments
Science & Technology - Jul 25, 2011 11:05 - 2 Comments
Device scavenges power out of thin air
GEORIGIA TECH (US) — A new way to capture and harness energy from the air could lead to paper-based wireless sensors that are self-powered, low-cost, and able to function independently almost anywhere. (more…)
Science & Technology - Jul 6, 2011 11:47 - 3 Comments
Antenna shrinks. Phone soon to follow?
U. MICHIGAN (US) — A new way to mass produce extremely small antennas may lead to the next generation of tiny wireless gizmos. (more…)
Science & Technology - Jul 5, 2011 12:04 - 0 Comments
Snoozing boosts mobile battery life
DUKE (US) — Popular belief has it that taking a nap re-energizes our batteries. New research finds it could work for smartphones too. (more…)
Science & Technology - Feb 23, 2011 12:01 - 0 Comments
Millimeter computers: How small?
U. MICHIGAN (US) — Nearly invisible millimeter-scale systems—what researchers say are the future of the electronics industry—could enable ubiquitous computing as suggested by Bell’s Law. (more…)
Science & Technology - Feb 14, 2011 18:20 - 1 Comment
Wireless radio has signal coming, going
STANFORD (US) — Researchers have developed the first wireless radios that can send and receive signals at the same time. (more…)
Top Stories - Jan 14, 2011 12:56 - 3 Comments
Deploy wireless networks like fly bristles
CARNEGIE MELLON (US) — Fruit flies feel and hear using sensory bristles. It turns out the method they have evolved for arranging bristles on their bodies is very efficient, and computer scientists have taken notice. (more…)
Science & Technology - Sep 20, 2010 16:38 - 1 Comment
House acts as its own antenna
U. WASHINGTON (US)— Scientists have developed a device that uses a home’s electrical wiring as a giant antenna. (more…)
Science & Technology - Mar 24, 2010 17:11 - 1 Comment
Tiny generators run on good vibrations
U. MICHIGAN (US)—Mini-generators could eventually produce enough electricity from random, ambient vibrations to power a wristwatch, pacemaker, or wireless sensor. (more…)
Science & Technology - Feb 2, 2010 23:43 - 16 Comments
Safe travel: Sending messages by light
PENN STATE (US)—Light is better than radio waves when it comes to some wireless communications, reports a team of engineers. (more…)
Science & Technology - Dec 24, 2009 13:23 - 4 Comments
Wireless smart sensors inspect bridge
U. ILLINOIS (US)—An inexpensive wireless system designed to continuously—and reliably—monitor structural health has been successfully deployed at full scale on the Jindo Bridge in South Korea. (more…)
Society & Culture - Nov 12, 2009 15:52 - 0 Comments
Internet meltdown unlikely
U. MINNESOTA (US)—Even as Internet traffic grows by as much as 50 percent a year, concerns that usage will eventually overwhelm the system are unfounded, according to work by mathematics professor Andrew Odlyzko. (more…)
Science & Technology - Jul 1, 2009 11:48 - 0 Comments
Palm-sized weapon in the fight against IEDs
U. MICHIGAN (US)—Portable detectors small enough to be hidden under a table or even in a flower pot could be the next line of defense in protecting soldiers from improvised explosive devices. (more…)
