News tagged with radio frequency communications
Verizon to auction spectrum worth billions
Verizon Wireless on Wednesday said it will auction a parcel of radio frequencies, which could be worth billions of dollars in an industry scrambling to offer consumers more cellular broadband.
Apr 18, 2012 |
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TWINS/IBEX spacecraft observed impact of powerful solar storm from inside and outside Earth's magnetosphere
(PhysOrg.com) -- For the first time, instrumentation aboard two NASA missions operating from complementary vantage points watched as a powerful solar storm spewed a two million-mile-per-hour stream of charged ...
Space & Earth / Space Exploration
Mar 28, 2012 |
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Sony develops low-power LSIs for wideband millimeter-wave wireless communications that achieve 6.3 gb/s
National University Corporation, Tokyo Institute of Technology and Sony have jointly developed a radio frequency (“RF”) LSI and a baseband (“BB”) LSI that enables millimeter-wave wireless ...
Feb 20, 2012 |
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No more virtual pickpocketing of credit cards, thanks to new tap and pay technology
(PhysOrg.com) -- With technology has come ease. These days, thanks to near-field communications (NFC) and radio frequency identification (RFID), consumers no longer have to swipe credit cards through an interrogative machine—they ...
Technology / Computer Sciences
Feb 17, 2012 |
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LED lights point shoppers in the right direction
Looking for an item in a large department store or mall can be like searching for a needle in a haystack, but that could change thanks to a hybrid location-identification system that uses radio frequency transmitters and ...
Jan 26, 2012 |
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Toshiba's new technology cuts phase noise in oscillation ICs for wireless communication
Toshiba Corporation today announced that it has developed noise reduction technology that reduces jitter in radio-frequency signals, cutting phase noise by up to 90 percent. This breakthrough opens the way for a further migration ...
Jun 16, 2011 |
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IBM creates first graphene based integrated circuit
(PhysOrg.com) -- Taking a giant step forward in the creation and production of graphene based integrated circuits, IBM has announced in Science, the fabrication of a graphene based integrated circuit on a s ...
Jun 10, 2011 |
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World's first GaN HEMT T/R module operating in the C-Ku band
Fujitsu Laboratories today announced that it has successfully developed the world's first transmitter/receiver (T/R) module using gallium-nitride (GaN)high electron mobility transistor (HEMT) technology that ...
Jun 06, 2011 |
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Iowa State engineer developing technology to enhance battery life in portable devices
Soldiers carrying sophisticated communication and navigation devices into the field have the same battery headaches as civilians working their smart phones at the airport.
Feb 14, 2011 |
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Metamaterials approach makes better satellite antennas
(PhysOrg.com) -- Cheaper, lighter and more energy-efficient broadband devices on communications satellites may be possible using metamaterials to modify horn antennas, according to engineers from Penn State ...
Jan 31, 2011 |
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Radio signals research scans new horizons
A study at the University of Leicester aims to understand the reasons why radio signals sometimes act unpredictably- travelling beyond the horizon and interfering with other signals.
Jun 22, 2010 |
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'Microrings' could nix wires for communications in homes, offices
(PhysOrg.com) -- Purdue University researchers have developed a miniature device capable of converting ultrafast laser pulses into bursts of radio-frequency signals, a step toward making wires obsolete for ...
Mar 03, 2010 |
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Wireless optical transmission key to secure, safe and rapid indoor communications
Light is better than radio waves when it comes to some wireless communications, according to Penn State engineers. Optical communications systems could provide faster, more secure communications with wider bandwidth and would ...
Jan 27, 2010 |
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Building the smart home wirelessly
Like the paperless office, the smart home has been a long time coming, but a report published in the International Journal of Internet Protocol Technology, suggests that radio tags coupled with mobile communications device ...
Nov 19, 2009 |
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Measuring the next successful antennas for in-body health monitoring devices
Antennas for the latest implanted medical devices are being developed by Queen Mary University of London and tested through a unique piece of kit at the UK's National Physical Laboratory (NPL).
Sep 08, 2009 |
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