Incremental Improvements Define The 2012 Mobile World Congress |
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Louis E. Frenzel, Editor in Chief
The usual players all showed up at this year’s Mobile World Congress in Barcelona with lots of improved devices, but no real game-changing breakthroughs... |
CONVERGED MOBILE DEVICE PRODUCTS
Network operating platform simplifies ZigBee applications The Tendril network operating platform has been improved and expanded to dramatically simplify...
Will 3G LTE give mobile devices a new edge?
With competitive pressure building from mobile WiMAX and ultramobile broadband, supporters at the Third Generation Partnership Project are looking beyond the current 3G wireless technologies, such as wideband CDMA, which were developed for a mixture of voice and data communications over the same wireless network. ...
A closer look at the evolving cellular handset
The world is changing right before our very eyes. It seems like only yesterday that everyone used rotary-style landlines and the idea of using a cellular...
Tackling complex signal-processing tasks for 3G LTE
While semiconductor suppliers are readying their DSPs and FPGAs, as well as front-end data converters and RF power amplifiers, test gear providers are unveiling their test strategies. ...
WHAT'S IN A TAG?
Today, four different kinds of tags are commonly used. They are categorized by their radio frequency according to the following: low-frequency tags (between...
Content-rich, mobile devices demand high-speed wireless connectivity
In today's increasingly competitive and dynamically evolving market for wireless communications services, mobile carriers are facing a constantly shifting...
Quick tips and resources
While all the details of the next-generation mobile, or converged, device have yet to be formalized, what is clear is that a number of different standard...
Test & Measurement
Digital spectrum analyzers The Aeroflex 3280 series spectrum analyzers offer digital demodulation for the analysis of 802.11a, b and g wireless networks....
IBM, austriamicrosystems jointly advance high-voltage RF CMOS process
To further enhance its 180 nm (or 0.18 micron) RF CMOS process with high-voltage capability for its foundry customers, IBM Microelectronics has inked...
Antenna chip tailored for mobile TV
Netanya, Israel-based Siano Mobile Silicon, a developer of semiconductor solutions for mobile digital TV (MDTV), and Vishay Intertechnology have unveiled...
Applying a high linearity variable gain amplifier
The high linearity variable gain amplifier VG025 is designed for use in transmitter and receiver automatic gain-control circuits, and as variable gain blocks following low-noise amplifier stages in high dynamic range receiver front-ends....
Flexible regulations can accelerate wireless broadband deployment
Rapidly increasing consumer demand for mobile broadband connectivity has drawn attention to the need for innovative approaches to governmental regulations...
Low additive noise frequency tripler
Design of a frequency tripler is presented and its noise degradation, due to the presence of additive noise of the multiplier, is measured and compared to theoretical limits....
Miniaturized HF direction-finding antenna system is portable
By incorporating advanced techniques and an effi cient loop antenna confi guration, a direction-fi nding antenna array has been achieved, which is small and portable for 2 MHz to 30 MHz applications....
Companies form wireless partnership
General Electric's sensing business unit, GE Sensing, has partnered with wireless sensor networking (WSN) systems provider Dust Networks to build dynamic,...
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