Modulators are key components within optical fiber networks and serve to transfer information from an electrical current to a signal suitable for optical fibers. They function by turning a light beam on and off quickly and ...
Optics & Photonics
Apr 23, 2014
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Wireless transmission at microwave frequencies is important for high-data-rate transmission applications, such as mobile phone networks, satellite links and remote imaging. Now, Xianshu Luo and colleagues from the A*STAR ...
Optics & Photonics
Mar 12, 2014
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Siemens is "teaching" wind turbines how to automatically optimize their operation in line with weather conditions. The turbines are learning to use sensor data on parameters such as wind speed to make changes to their settings. ...
Energy & Green Tech
Mar 12, 2014
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Imagine a room with several people in it, all talking at the same time. With everyone competing to speak, it's hard to hear any one person clearly. Wireless networks, being a shared medium, struggle with a similar problem ...
Telecom
Dec 17, 2013
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(Phys.org) —Wireless networks span the globe. But like a frightened toddler, they don't go underwater.
Engineering
Oct 14, 2013
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Switzerland and Cameroon are establishing a joint laboratory in Yaoundé. EPFL (Ecole polytechnique fédérale de Lausanne) and ENSPY (Ecole nationale supérieure polytechnique de Yaoundé) will work together to develop technologies ...
Energy & Green Tech
Oct 10, 2013
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Sales of full electric and plug-in hybrid electric vehicles have been rising steadily in many parts of the world, including Europe. These are motor vehicles, including personal cars, which can be recharged from an external ...
Energy & Green Tech
Sep 9, 2013
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A South Korean city has begun testing an "electrified road" that allows electric public buses to recharge their batteries from buried cables as they travel.
Energy & Green Tech
Aug 8, 2013
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Now that the Internet's basic protocols are more than 30 years old, network scientists are increasingly turning their attention to ad hoc networks—communications networks set up, on the fly, by wireless devices—where ...
Computer Sciences
Aug 5, 2013
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Fully autonomous cars may still be the stuff of science fiction. Remote driving technology, however, may be much closer than we think. Scientists at the Technische Universität München believe that full-size remote control ...
Engineering
Jul 29, 2013
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