News tagged with communication devices
Several antennas in one: A major innovation for mobile communications
(Phys.org) -- Scientists at EPFL have developed a single antenna that is capable of transmitting the same data as a two-antenna system. This achievement will be more than useful for future communication systems.
May 11, 2012 |
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Smartphone users develop new concepts of privacy in public spaces: study
With endless applications, high-speed wireless Internet access, and free messaging services, smart phones have revolutionized the way we communicate. But at what cost? According to researchers at Tel Aviv University, the ...
Other Sciences / Social Sciences
May 10, 2012 |
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LightSquared tries to revive broadband network
A Virginia company is trying to revive its plan for a national high-speed wireless network, arguing that it can address federal regulators' concerns over interference with GPS devices.
Mar 19, 2012 |
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Exotic material shows promise as flexible, transparent electrode
(PhysOrg.com) -- An international team of scientists with roots at SLAC and Stanford has shown that ultra-thin sheets of an exotic material remain transparent and highly conductive even after being deeply ...
Mar 08, 2012 |
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Team generates frequency comb with more than 100 terahertz bandwidth
Many of the communication tools of today rely on the function of light or, more specifically, on applying information to a light wave. Up until now, studies on electronic and optical devices with materials that are the foundations ...
Mar 07, 2012 |
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Microsoft sharpens its ads to jab rivals
From the Gmail Man, who peeks into people's private mail, to the VMware salesman stuck in the '70s, Microsoft's marketing campaigns have become quite pointed in the past year.
Feb 23, 2012 |
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NASA pinning down 'here' better than ever
Before our Global Positioning System (GPS) navigation devices can tell us where we are, the satellites that make up the GPS need to know exactly where they are. For that, they rely on a network of sites that ...
Space & Earth / Space Exploration
Feb 23, 2012 |
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Sony develops low-power LSIs for wideband millimeter-wave wireless communications that achieve 6.3 gb/s
National University Corporation, Tokyo Institute of Technology and Sony have jointly developed a radio frequency (“RF”) LSI and a baseband (“BB”) LSI that enables millimeter-wave wireless ...
Feb 20, 2012 |
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US regulators pull plug on LightSquared
US telecom regulators have pulled the plug on an ambitious plan to build a high-speed wireless broadband network, citing potential interference with GPS navigation devices.
Feb 15, 2012 |
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Nanotube-based terahertz polarizer nears perfection
(PhysOrg.com) -- Researchers at Rice University are using carbon nanotubes as the critical component of a robust terahertz polarizer that could accelerate the development of new security and communication ...
Jan 30, 2012 |
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New Intel unit focused on tablets, smartphones
Intel on Wednesday formed a new unit devoted to making chips for smartphones and tablets that have become must-have gadgets in a post personal computer age.
Dec 14, 2011 |
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New study is first to test the actual impact of branded apps on consumers
A new research study co-authored by an Indiana University professor suggests that interactive applications for mobile phones such as Apple's iPhone and Google's Android may be some of the most powerful forms of advertising ...
Dec 08, 2011 |
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Research focuses on implementing radio frequency MEMS resonators on a silicon chip
Semiconductor Research Corporation and Cornell University researchers are working to advance on-chip silicon development to enable new generations of smaller and more sophisticated mobile electronic devices.
Dec 06, 2011 |
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Japan collab transmits record data speeds on terahertz waves
(PhysOrg.com) -- Researchers from Japan-based semiconductor manufacturer Rohm, together with a team from Osaka University, have come up with a chip that, in experiments, has achieved a wireless data transmission ...
Nov 25, 2011 |
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More police departments look to tune public out
(AP) -- Police departments around the country are working to shield their radio communications from the public as cheap, user-friendly technology has made it easy for anyone to use handheld devices to keep ...
Nov 20, 2011 |
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