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MAY 01, 2004 | |
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May 01, 2004 - In This Issue [Cover Story] WLAN Testing Gets Down To A Science When engineers think of wireless-local-area-network (WLAN) test equipment, images of bulky spectrum analyzers often come to mind. They may even picture oddly named "sniffer" programs that are used in conjunction with these analyzers. In addition,... — John Blyler [Special Report] Converging Markets Nourish RFIC And RF-Design Growth The wireless space has become virtually overrun with radio-frequency integrated circuits (RFICs). This trend is largely responsible for the shrinking sizes and continued power conservation of today's wireless devices. According to the... — Nancy Konish [Design Application] Co-Verify To Optimize Your Embedded Design As the capabilities of wireless networks improve and become more sophisticated, the expectations and desires of wireless-device users seem to grow exponentially. The result is an ever-increasing demand for better levels of service and performance... — Jim Kenney TMAs Alleviate Cellular-Network Strain Network planning in GSM systems is moving toward re-engineering. This trend points to the fact that developed countries are facing problems due to overloaded networks and hot spots. Before attempting to implement any re-engineered solution, however,... — Nunu Borges de Carvalho , et al. [Product Features] SiGe Challenges GaAs Handset Dominance There was a time when cellular-handset vendors wouldn't have thought twice about using GaAs power amplifiers (PAs) in their designs. Now that silicon-germanium (SiGe) technology has achieved the performance levels of GaAs-based amplifiers, however,... — John Blyler [New Products] High-Speed Wi-Fi Welcomes Integration Orthogonal-frequency-division-multiplexing (OFDM) signals suffer problems because of the signals' very high and inconsistent peak-to-average power ratios. Usually, resolving these issues requires a backoff of power or very highly linear power... — Staff CDMA2000 Gears Up For Performance Test Run Protocols like CDMA2000 herald the long-awaited arrival of third-generation (3G) mobile services. As such services are rolled out, however, equipment manufacturers and service providers need to be absolutely sure that their new technologies work.... — Staff Smart Antenna Extends Wireless-LAN Range In today's WLAN products, extended range and signal strength are hot features. Corporate wireless-network users are particularly interested in this enhancement, as it would lead to fewer access points. Less APs, in turn, would reduce installation... — Staff [Column] Anytime, Anywhere, Anything: A Wireless-LAN Fallacy Many WLAN proponents claim that the technology's success is due to the popular phrase, "anytime, anywhere, anything." These words promise that everyone can get to their applications from anywhere in the enterprise at anytime. In reality,... — Seth Goldhammer See The World Through Cell-Phone Cameras The availability of low-cost, low-power CMOS imaging modules helped to fuel a mania for camera-enabled cell phones in Japan. That mania proved to be contagious for the rest of the world. Of course, the Japanese may credit teenage girls for starting... — Andrew Burt [News] Latest UAVs Prepare For Battle As growth in the semiconductor sector slowed and international conflicts grew, many engineering companies switched their focus to the military market. This influx of talent led to what is perhaps this era's most frightening and awe-inspiring... — Nancy Friedrich Beam-Forming Networks Protect The Military Military personnel have always needed their communications to be protected. In addition to communications between personnel, however, the military now has to worry about equipment that relies on satellite communication. Signal jamming has emerged as... — Nancy Friedrich Photovoltaics Is Funded In military devices, battery failure—and hence a loss of communications—could mean life or death. Today's systems also bog soldiers down by forcing them to carry extra power supplies. To put an end to this problem, scientists plan to... — Nancy Friedrich Acquisitions Prove Bluetooth's Worth The Bluetooth standard has suffered a lot of abuse. When it came on the scene, it was heralded as the wireless-connectivity solution to just about everything. Eventually, the industry recognized that the standard's future would be confined by... — Nancy Friedrich Short Clips Dr. Donald Fitzmaurice and Justin Adams have been named to the Board of Advisors to guide Konarka Technologies, Inc.'s (www.konarkatech.com) scientific and business development, respectively. Fitzmaurice is Professor of Nanochemistry at... — Nancy Friedrich Nanoscale Dimensions Gain Greater Visibility The study of nanotechnology focuses on materials and devices with very unique structures. Essentially, these structures exhibit novel and significantly improved physical, electrical, chemical, and biological properties due to their nanoscale... — Cheryl Ajluni [Show Coverage] DAC And IMS Shows Offer An Early Peek At Critical Technologies Why do important conferences always seem to take place at the same time? For example, both the Design Automation Conference (www.dac.com/41st) and the IEEE International Microwave Symposium (www.ims2004.org) take... — John Blyler [Editor's Note] Functionality Meets Form On New Path I admit it. As a consumer, I have always been partial to Motorola cell-phone products. You must understand that I am generally EXTREMELY rough on my cell phone. That's why Motorola products have always worked well for me. As the old Timex slogan... — Cheryl Ajluni [Around the World] Snapshots Pronto Networks (www.prontonetworks.com) hired Paramjit ("Param") Singh Puri as the General Manager for its management team in the Asia-Pacific region. He has additional interim responsibility for South Asia. Puri will work from Pronto... — Nancy Friedrich [On The Wireless Front] Wireless Front Sunnyvale, California Maxim Integrated Products now offers the MAX3747/MAX3747A 3.3-V, low-power, multirate limiting amplifiers with a programmable loss-of-signal (LOS) indicator. Pin-compatible to the Micrel... — Cheryl Ajluni |
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