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... |
Products
Active Components Signal re-drivers Pericom has released four PCI Express signal re-drivers. These components act as signal buffers that restore the signal...
SDR Forum releases SDR technology for public safety report
The Software Defined Radio Forum has released a report, Software Defined Radio Technology for Public Safety, written by the forum's public safety special...
Highly integrated multiband RF IC sets a new precedent
Combining its RF and DSP expertise, London, England-based RadioScape has developed a software-controlled, single-chip RF front-end that can handle six...
TECOM receives AS9100 certification
TECOM Industries Inc. has earned AS9100 certification by Lloyds Register Quality Assurance (LRQA). The company achieved certification in March after a...
WiMAX mini-PCI reference design cuts BOM
Atmel Corporation has collaborated with Montreal's fabless design house, Wavesat, to develop a WiMAX mini-PCI reference design that provides lowest-cost...
Telkonet/MST introduces Telkonet Energy Services
Telkonet Inc. has formed Telkonet Energy Services (TES), a division that will focus on providing energy data, energy management and energy market participation...
Test & Measurement
Accelerated testing platform QualMark's patented omni-axial vibration system (OVS) tables used in its highly accelerated life testing (HALT) and highly...
Upgradable base station achieves WiMAX certification
According to Airspan Networks, its MacroMAX base station for the 3.5 GHz FDD profile has received WiMAX Forum certification. The MacroMAX is powered by...
Broadband test boosts CDMA network voice capacity
Magnolia Broadband Inc. has conducted the final field testing of DiversityPlus, Magnolia's Mobile Transmit Diversity solution, with a major U.S.-based...
Standard plastic packages handle frequencies up to 45 GHz
The market pressure is driving manufacturers of microwave and millimeter-wave devices to cost-effective plastic packages. This article discusses recent advances in plastic packaging and describes design, layout and simulation techniques to enable its use in GaAs devices performaing as high as 45 GHz....
RF PA linearity in GSM transmitters
Nonlinearity in GSM PAs for digitally modulated signals is acceptable within certain limits, beyond which phase error becomes a problem. Although IMD has only negligible effects on phase error, higher-order IMD products have a more severe effect on spectral re-growth....
Will WiMAX 802.16e OFDM create a new fixed-to-basic-mobility market?
To date, the biggest success of WiMAX has been to attract a core of wireless industry innovators and, leveraging the best technologies, standardized platform...
Ceramic antenna offers low dielectric losses, cuts cost
Laird Technologies ceramic antennas for handset and wireless data devices are the RF Design Product of the Month for May 2006....
WiMAX quick tips and resources
In December 2005, the 802.16e (mobile WirelessMAN) standards development project reached completion. Its official ratification as a standard provides...
Designing digital downconverters
A key problem with traditional RF design methods is that errors are frequently not detected until modules can be physically tested at the prototype stage. Model-based design can address this problem by providing an environment for creating executable specifications that provide a high-level view of the design....
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