The U.S. Department of Defense announced that it will open its communications networks, including its classified network, by February 2014 to mobile phones and tablet computers manufactured by Apple Inc. and Google Inc. Traditionally, the military has relied on BlackBerry devices for communication. BlackBerry currently dominates the technology field at the Pentagon with more … [Read more...]
Microsoft Announces “White Space” Protocols That Could Lead to Wireless Broadband Use of Unused Analog TV Spectrum
Researchers from Microsoft Corp. and Harvard University have announced the development of a set of protocols that could be used to design wireless products capable of accessing unused analog TV spectrum, known as “white space,” while meeting the Federal Communications Commission (FCC) requirements for avoiding interference. Though technology companies have spent several years … [Read more...]
Study Investigates Spectrum Coverage in Indoor Environments
SpiderCloud Wireless, Inc., a provider of scalable small cell enterprise radio access network (E-RAN) systems to mobile operators, has announced the results of a research study completed by Signals Research Group. The study investigated the use of licensed spectrum in indoor environments, including inside shopping malls, hotels and airports; throughout college and business … [Read more...]
FCC Issues New Regulations to Combat Cell Phone Signal Booster Interference
The Federal Communications Commission (FCC) has issued new regulations on the use of cell phone signal boosters designed to prevent signal interference while continuing to allow consumers to utilize the devices. Signal boosters are frequently used by consumers to amplify or improve signal quality in areas with poor reception; however, they can often interfere with other signals … [Read more...]
Custom Magnetics Designer Joins Alliance for Wireless Power, Citing Growing Momentum of Wireless Power Transfer Market
Custom magnetics designer and manufacturer Würth Elektronik eiSos GmbH & Co. has announced that it has joined the Alliance for Wireless Power (A4WP). The A4WP is an independently operating organization comprised of wireless power and technology companies, including Samsung and Qualcomm, focused on developing a new wireless power transfer technology that allows “spatial … [Read more...]
Silicon-Based TVS Diode Arrays Provide “Up to 50 Percent Reduction in Clamping Voltage”
Circuit protection provider Littelfuse, Inc. has released the 450W SD05 unidirectional and SD05C bidirectional series of silicon-based TVS diode arrays designed to replace multilayer varistors (MLVs) as ESD protection. According to the company, “the low dynamic resistance [of the devices] provides up to a 50 percent reduction in clamping voltage when compared with competing … [Read more...]
Super Bowl XLVII Attendees Required to Undergo Frequency Scan
In addition to the usual restrictions prohibiting alcohol, food and weapons from being brought into the Superdome, Super Bowl XLVII attendees were subject to an additional restriction this year—a ban on wireless equipment that might interfere with the Superdome Wi-Fi network. “The NFL has a very robust frequency coordination solution in place,” Dave Stewart, director of IT … [Read more...]
“World’s First” IC Embedded Power Management Module for Smartphones and Tablets
TDK Corporation, a manufacturer of electronic components, modules and systems, has released a new series of embedded power management modules for smartphones and tablets. The new module is “the world’s first IC embedded power management module” designed for portable consumer devices, TDK Corporation said in a statement. According to the company, the new IC embedded power … [Read more...]
Methods of Measurement and Limits for Radiated Disturbances from Plasma Display Panel TVs in the Frequency Range 150 kHz to 30 MHz
From the International Electrotechnical Commission Webstore: “IEC/PAS 62825:2013(E), which is a publicly available specification, applies to plasma display panel TVs which are intended for use in residential or commercial environments, which have a visible display area with a diagonal dimension of 1 m or greater, and which are within the scope of CISPR 13 or CISPR 32.” “This … [Read more...]
Fabric Uses Electromagnetic Surface Waves to Link Devices in Personal Wireless Network
Engineers at Roke Manor Research in Romesy, U.K. have developed a new type of wireless communication that uses electromagnetic waves to send high-definition video across a piece of fabric. The fabric, made of a dielectric-coated conducting material, utilizes a type of electromagnetic wave known as a Zenneck surface wave to transfer information along the interface between the … [Read more...]
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