Nordic telecom operator TeliaSonera announced Monday the launch in Stockholm and Oslo of the world's first commercial 4G/LTE mobile network, up to 10 times faster than current networks.
Telecom
Dec 14, 2009
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Nippon Telegraph and Telephone Corporation has developed an current-injection photonic-crystal laser with ultralow power consumption that can be applied to off-chip and on-chip optical data transmission for microprocessors.
Optics & Photonics
Feb 14, 2012
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NEC Corporation introduced today the latest breakthrough in capacity performance of microwave radio systems used in mobile backhaul and other types of networking applications. NEC will implement 2048 Quadrature Amplitude ...
Telecom
Feb 28, 2012
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South Korea's SK Telecom announced Wednesday the launch of a new generation mobile network that offers speeds twice that of its existing long term evolution (LTE) network and 10 times that of 3G services.
Telecom
Jun 26, 2013
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To integrate volatile renewable sources into the energy supply, capacities of the power grid have to be increased. The need for new lines can be reduced by better utilization of existing lines as a function of weather conditions. ...
Energy & Green Tech
May 6, 2019
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49
(Phys.org) —Many think of social networks in terms of Facebook friends and Twitter followers, but for recent University of Georgia doctoral graduate Julie Rushmore, social networks are tools in the fight against infectious ...
Ecology
Jun 5, 2013
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To ensure that the US electric grid remains stable and resilient, power generators in three main regions (Eastern, Western, and Texas) must be synchronized, all operating at the frequency of 60 hertz. Because generators interact ...
Energy & Green Tech
May 22, 2017
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Fujitsu today announced the development of the world's first technology for future long-haul and metropolitan optical networks that can dynamically alter the architecture of optical network resources and enhance utilization ...
Telecom
Sep 19, 2012
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A team of scientists at Alcatel-Lucent Bell Labs have examined the energy consumption trends of communications equipment in use today and determined that gains in energy efficiency are not keeping pace with traffic growth. ...
Telecom
Oct 21, 2010
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The need for the wireless transfer of data will increase significantly in the coming years. Scientists at the Karlsruhe Institute of Technology (KIT) therefore propose to turn some of the TV frequencies that will become free ...
Telecom
Nov 24, 2014
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