GSM, WiFi, Bluetooth, 4G, GPS: a smartphone already has to handle many wireless standards. And this number will only increase further. There are still no good filters to keep all those future standards separate. Researchers ...
General Physics
Oct 31, 2013
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The Planck collaboration, which includes the CNRS, the French Alternative Energies and Atomic Energy Commission (CEA), the French National Space Agency (CNES) and several French universities and institutions, has today released ...
Astronomy
Feb 11, 2015
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A loss mechanism that has not been an issue in previous mobile handset antennas will become important for global 4G roaming, according to results of experiments carried out in Aalborg, Denmark.
Telecom
Aug 19, 2014
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A research team led by Dr. Youn-kyoung Baek and Dr. Jung-goo Lee succeeded in developing the world's first technology to consecutively manufacture epsilon iron oxide that can absorb millimeter wave with a high coercive force ...
Analytical Chemistry
Dec 7, 2022
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So far, astrophysicists have only detected gravitational waves from binary systems—the mergers of either two black holes, two neutron stars or one of each. Although astrophysicists theoretically should be able to detect ...
Astronomy
Jun 5, 2023
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Thanks to their designs, the battery of a mobile phone stays charged for longer, the signal is better and more data can be transmitted for a lower price. The Integrated Circuit Design group headed by Prof. Bram Nauta at the ...
Electronics & Semiconductors
Jan 22, 2013
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NTT DOCOMO today announced that it has developed a prototype power amplifier for six frequency bands between 1.5 GHz and 2.5 GHz in a form factor smaller than multiple single-band power amplifiers conventionally used to provide ...
Electronics & Semiconductors
May 20, 2011
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Fujitsu today announced the development of a gallium-nitride (GaN) high-electron mobility transistor (HEMT) power amplifier for use in W-band (75-110 GHz) transmissions.
Electronics & Semiconductors
Jan 26, 2016
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11
(AP) -- Cable company Cox Communications on Friday said that it has agreed to sell some of its airwave licenses to Verizon Wireless for $315 million and will resell Verizon service in its stores.
Telecom
Dec 16, 2011
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Fujitsu Laboratories today announced that it has developed a CMOS power detector with built-in temperature compensation, featuring a compact design and low power consumption suitable for use in smartphones and other mobile ...
Electronics & Semiconductors
Sep 20, 2012
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