Using the European VLBI Network (EVN), an international team of astronomers has performed high-resolution imaging observations of a powerful and radio-loud high-redshift quasar known as J2102+6015. Results of the observational ...
(Phys.org) -- Researchers at the Center for Nanophysics and Advanced Materials of the University of Maryland have developed a new type of hot electron bolometer a sensitive detector of infrared light, that can be used in ...
Nanomaterials
Jun 4, 2012
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(Phys.org)—Minding the need for more and more mobile spectrum in a post-4G environment, Ofcom, the UK telecoms regulator, announced on Friday that it is preparing to support the release of spectrum for future mobile services, ...
NTT DOCOMO announced today that it has developed a prototype multi-band power amplifier that accommodates eight frequency bands between 700 MHz and 2.5 GHz, paving the way for lightweight, all-in-one mobile phones capable ...
Electronics & Semiconductors
Jan 8, 2010
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To overcome the problem of interference between wireless networks, a doctoral student at EPFL has developed an algorithm that automatically selects the best frequency band according to the usage of neighboring networks. This ...
Telecom
Jan 23, 2015
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The terahertz (THz) gap, a frequency band lying between the microwave and infrared regions of the electromagnetic spectrum where conventional technologies are inefficient in generating and detecting the radiation, is being ...
Optics & Photonics
Feb 7, 2023
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19
How loud is too loud when it comes to whistle tweets? Referees and others using whistles on the job need a simple way to determine whether it's harmful to their hearing, so a group of researchers set out to put it to the ...
General Physics
May 15, 2019
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Ralink Technology, a developer of high performance wired and wireless networking solutions, today announced the RT3592BC8, the world's only chipset capable of simultaneous 300 Mbps 2x2 MIMO dual band 802.11n and Bluetooth ...
Hardware
Jun 1, 2010
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(Phys.org)—Two professors at the University of California, Riverside Bourns College of Engineering have developed a new method that doubles the efficiency of wireless networks and could have a large impact on the mobile ...
Telecom
Nov 13, 2012
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(PhysOrg.com) -- The ability to identify and locate enemy forces from a single moving vehicle is a challenging yet potentially life-saving capability for today's warfighters.
Engineering
May 13, 2010
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