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Turning Promise Into Practice: How To build A Practical Wireless Sensor Network Nobody can question that the wireless revolution has already begun—CDMA or GSM for long-range voice and data, Wi-Fi for WLANs (Wireless Local Area Networks) and Bluetooth for consumer-oriented PANs (Personal Area Networks) are all flourishing. Although each is a very successful commercial technology, they are restricted to particular applications areas by virtue of range, bandwidth and power requirements... — Brian Macdonald November 5, 2007 Calculating battery lifetime — Brian Macdonald August 3, 2006 60 kHz Wireless Yes, that is not a mistake. It is 60 kiloHertz not 60 MHz or 60 GHz. There actually is wireless activity at that frequency—at least in the U.S. Specifically, the time standard station WWVB, located near Fort Collins, Colorado, broadcasts on that frequency. — Louis E. Frenzel October 2004 FPGAs And Virtual Prototypes Share Common Design Space Much has been written about the rise of field-programmable-gate-array (FPGA) -based platforms over application-specific-integrated-circuit (ASIC) implementations. During the last few years, FPGAs have certainly increased their size and performance... — John Blyler September 2004 Unrealistic Expectations Threaten WiMAX's Success Despite some great charitable and technological efforts, the disparity between the world's networked and non-networked populations seems only to have worsened. The better-connected populations are enjoying a move to next-generation cellular... — Nancy Friedrich July/August 2004 Top Wireless-Security Vendors Vary In Their Approaches Who are the major players in the burgeoning wireless-security market? The answer to this question depends on how you define the word "major." Some might suggest that it means the companies with the highest revenues. Others might point to companies... — John Blyler June 2004 Misconceptions About Wireless Broadband Abound From the highest office in the land to the average consumer, everyone seems interested in high-speed, wireless Internet access. Even the United States government has deemed this topic important. It is now proposing the construction of base-station... — John Blyler May 2004 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 April 2004 Common Challenges Lurk In Application Development The development of software applications that run on mobile wireless devices is a relatively young but growing field. The creation of these applications requires a set of skills that isn't commonly found among PC application developers. Those... — John Blyler March 2004 Looking For Ethernet Power? Find The Outlet, Nevermore Designers and customers alike are just beginning to appreciate the far-reaching effects of Power-over-Ethernet (PoE) technology. The products that meet the IEEE 802.3af PoE standard may revolutionize the installation of any device that's based on the... — John Blyler May 2003 SDR Technology Emphasizes Digitized RF Designs The creation of true software-defined-radio (SDR) systems has been made possible by the digitization of traditionally analog RF hardware. SDRs have been under development for many years. Now, they are beginning to move from the military to the... — John Blyler April 2003 Wireless-Internet Access Gets Easier And More Confusing Picture this: You want to wirelessly access the Internet, but you're not sure which technology option is best. Should you use a 2G or 3G cellular network, or perhaps even a Wi-Fi hot spot? You also must figure out what kind of device is most... — John Blyler March 2003 Nanotechnology Plans Its Entry Into Wireless Interest in nanotechnology can be traced back to an influential 1959 talk by Richard Feynman, the famous Nobel Prize-winning physicist. During that speech, Dr. Feynman argued that scientists and engineers alike needed to begin studying ways to build... — John Blyler December 2002 Wearable Wireless Redefines Computer Usage At one time, wireless technology was thought of only in relation to its ability to untether the user. As we stand ready to enter a new year, the implementation of wireless technology has taken new life. Wireless technology is now viewed as a true... — Cheryl Ajluni November 2002 Java Faces Competition From BREW and .Net Software designers have to make tough decisions when they select development environments for cellular-handset and PDA applications. Each of the major frameworks have their own strengths and weaknesses, whether it be Sun Microsystems' J2ME,... — John Blyler October 2002 Will 3G Have To Compete For The Wireless Future? Often the simplest questions asked are the hardest ones to answer. For example, ask any group of technology-savvy colleagues if third-generation, or simply 3G, networks exist today. You'll get three different answers: yes, no, and maybe. Why is there... — John Blyler |
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