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April 2008
Enhanced RFCMOS Paves the Way for UWB Systems
By David Cheskis, PhD., Jazz Semiconductor
Xin Guan, Mohan Chirala, Yalin Jin, and Cam Nguyen, Texas A&M University, College Station, Texas
UWB circuit topologies using low-cost 180 nm RFCMOS allows system components to achieve high performance with low power in a compact design.
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Software Defined Radio for Wireless Devices
By Alan A. Varghese, Terocelo Inc.
Hardware real estate is at a premium, and soon it will not be possible to keep adding new circuitry, when new functions need to be included.
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February 2008
Getting Around the Technical Issues with Battery-assisted UHF RFID Tags
Simon Müller, EM Microelectronic Marin SA
One way to overcome the read sensitivity limitation of passive tags is to add a battery to supply the IC. The RF signal is now only used to carry the information not to supply the IC.
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N.C. Hospital Looks to RFID Technology to Improve Asset Visibility
Southeastern Regional Medical Center (SRMC) in Lumberton, N.C., has contracted RadarFind to install an asset-tracking system that uses active RFID tags and interrogators operating in the 902 to 928 MHz range.
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December 2007
Bluetooth Secure Simple Pairing
The existing method of pairing Bluetooth devices generally consists of several steps, such as searching for the device, connecting to it and authenticating the device to make sure it is the correct device.
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September 2007
Video Encoders and Bit Rate Management in Wireless Surveillance Camera Applications
The output of video encoders originally designed for high bandwidth wired connections can present challenges for a wireless network.
By Joe Hanson, Stretch Inc.
Advances in digital technology and cost reductions of digital video equipment are paving the way for the adoption of video in a host of applications from surveillance to video telephony.
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January 2007
WiMAX Ready for Prime Time
The emerging Worldwide Interoperability for Microwave Access (WiMAX) standard promises to be the core enabling technology for next-generation broadband mobile wireless applications including last mile broadband, hotspots, cellular backhaul and full mobile high speed broadband access.
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