Showing posts with label Wireless. Show all posts
Showing posts with label Wireless. Show all posts

Friday, July 8, 2011

Study at Duke University Reveals That “Metamaterials” Can Enhance, Rather Revolutionize, the Wireless Charging Systems

Entrance to the Medical Center at Duke University                                Image via Wikipedia
It is a norm to be using wireless Internet connection (better known as WiFi), and charging your laptops through the power adopters going into the wall sockets. Now there is another alternative method of charging your electronic gadgets, especially the ones which have the capability of wireless connectivity, is “wireless charging.” It is not exactly a completely invented idea, because there are already devices available in the markets which charge your mobiles and laptops wirelessly, but those are extremely less efficient. However, now a study in the Duke University has made a new revelation.
According to the study supervised by the university, a new word has been coined as "metamaterials," which will be used to refer those composite materials which have extremely unique properties. Predictably these properties will make it further easier to transfer power through wireless methods to the electrical devices with minimum power dissipation. Conventionally an unacceptable amount of electricity is wasted during the transmission from the power source to the wireless device using the wireless charger, but with metamaterials maximum energy will be kept intact, since these materials are best at conduction and refocusing the power lost. Study exemplifies metamaterial, as an array of copper conducting loops It is explained to be imagined as placing an array at given positions between the device and its power source, whereas the electricity will be transferred directly through it.

Sunday, June 5, 2011

U.S. Cellular Announces Its Intention to Soon Launch 4G LTE Network by the End of This Year


U.S. CELLULAR           Image by gobucks2 via Flickr
The competition between wireless carrier of the nation will be lessened, as the acquisition of AT& over T-Mobile continues towards its final stages, hence other competitor regional carriers are becoming more and more vigilant to improve the future moves. MetroPCS, which stands in the fifth position, considering the wireless provider of the U.S. has actually overpowered Verizon, which is a much larger company, when it came to the release of the first domestic 4G LTE network. Participating the battle to win over the market, U.S. Cellular, which lies in the sixth position, has prepared its plans and is almost prepared to release its own 4G LTE service national, before the end of this year.
The actual implementation for the service will be completed “in time for the holiday season,” as the company officials told the press, that they hope to at least provide the service to quarter of U.S. Cellular customers nationwide, within their set deadline. The service will be initially released in the “selected cities,” which are predictably the “leading markets” of the U.S. Cellular. These cities include; Milwaukee, Madison and Racine, Wis.; Des Moines, Cedar Rapids and Davenport, Iowa; Portland and Bangor, Maine; and Greenville, N.C.
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