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Wi-Fi Has Been Working On The Railroad If you plan to work and/or vacation in Sweden later this year and you'll be traveling by railroad, don't forget your Wi-Fi-enabled laptop or other portable wireless devices. Icomera has signed a deal worth 11 million Euros with SJ, one of Scandinavia's largest passenger railroads. As a result, SJ plans to bring Icomera's Wireless Onboard Internet Solution to its full fleet of 85 trains during the summer of 2005. Under the terms... — Lisa Maliniak March 2005 [Column] Make Way For WiMAX Certified Products This year, the market will welcome the first wave of broadband-wireless products that were built to comply with the Worldwide Interoperability for Microwave Access (WiMAX) IEEE 802.16-2004 standard. WiMAX was developed to support the compatibility and interoperability of broadband-wireless-access (BWA) equipment. It supports many wireless-broadband connections including the following: high-bandwidth metropolitan-area networks (MANs) for home and small-business users, backhaul networks for... — George Wu March 2005 [Design Application] Metrics And Methods Bring VoWLAN Success Mobile phones have been a runaway success for two decades. Over the years, however, the cellular market has stabilized. Can Wi-Fi give the cell-phone industry a boost? The IEEE 802.11-based Wi-Fi data-networking technology has penetrated the small-office/home-office (SOHO) market. Now, it is expanding rapidly into the enterprise and public-access markets. Wi-Fi is well suited to carry packetized voice, such as Voice over IP. It also can offer cellular users better indoor coverage at a... — Fanny Mlinarsky February 2005 [News] Wi-Fi Network Security Goes Enterprise-Wide Wireless local-area networks (WLANs) bring a host of advantages to the enterprises that deploy them. They foster creativity of the most positive sort by enabling users to roam freely within the network's range. Unfortunately, however, that same free access can leave the enterprise open to mischief or worse. With 60% of enterprises having some sort of WLAN access, the Gartner Group recently predicted that WLANs pose the largest security problem through 2008. Enterprises with WLANs have seen... — Lisa Maliniak February 2005 [News] WiMAX Sets Its Sights On Fixed Networks Third-generation network service providers are eager to augment their existing wireless offerings with WiMAX technology. This step is vital to the evolution from fixed broadband wireless to the widespread availability of mobile broadband wireless. WiMAX, which is based on the IEEE 802.16 standard, complements existing 3G networks. It creates a converged service offering that users can access using a broad range of devices on a wide variety of networks. Through a strategic... — Lisa Maliniak February 2005 [News] Broadband Wireless Security Grows Military-Level Muscle The security of broadband wireless networks is on the minds of users, equipment OEMs, and service providers alike. Many organizations rely on high-speed IP/Ethernet data communications. They have adopted broadband wireless networking as a means of gaining bandwidth and lowering costs. As with wired networks, however, data on wireless networks must be safeguarded from unauthorized access or manipulation. In these times of heightened national security, the integrity of government... — Lisa Maliniak February 2005 [News] Core And Software Spawn VoWLAN Devices Traditionally, multichannel VoIP applications like residential gateways, voice-over-WLAN (VoWLAN) phones, and terminal adapters have used two processors. A host CPU runs the operating system and protocols while a dedicated VoIP DSP handles the codecs and other components. These processors would require separate development teams using different toolsets. But cost and time-to-market pressures are pushing OEMs of VoWLAN and VoIP equipment to seek single-CPU implementations. To that... — Lisa Maliniak February 2005 [Column] Microwave Absorbers Help Wi-Fi Perform Wi-Fi is truly ushering in a communications revolution. This technology is the first of its kind in an age when thousands of people are unplugging their phone jacks. Now, the wireless Internet is beginning to fully encompass the globe without phone lines and buried cable. During the past year, manufacturers of materials that control electromagnetic interference have been providing supporting technology to the network-infrastructure companies that manufacture indoor/outdoor Wi-Fi switches. ... — James Delprete February 2005 [Design Application] FPGAs Build Bridges To Wireless Connectivity The need for wireless connectivity in embedded systems is growing. In general, connectivity is becoming widespread as consumers and enterprises alike become accustomed to having continual access to information resources. As a result, information appliances like PDAs are adding capabilities for voice and data transmission. This connectivity allows more traditional embedded systems to report information to a central clearinghouse and obtain information from outside sources. In addition,... — Bernhard Andretzky February 2005 [New Products] Integrated Circuits Embed Wi-Fi In Portables With the launch of a range of single-chip Wi-Fi devices, CSR now offers designers a Wi-Fi implementation that specifically targets cell phones and other pocket-sized consumer products. Examples of such products include digital cameras and MP3 players. CSR's UniFi ICs combine up to three Wi-Fi standards into one chip. Because UniFi does not rely on a host processor, it also is suitable for embedding Wi-Fi in consumer-electronic devices like DVD or video players and plasma screens.... — Staff February 2005 [New Products] Bluetooth Chips Support SDR Protocol The BlueMoon UniCellular chip for Bluetooth wireless applications is three times faster than any classical Bluetooth solution. The single chip supports the Version 2.0 Bluetooth standard as well as the new Enhanced Data Rate (EDR) functionality. In addition, it has extremely low power consumption. It also possesses excellent radio-frequency characteristics, which make it well suited for use in GSM, EDGE, and UMTS mobile phones. The chip's Enhanced Data Rate functionality will... — Staff February 2005 [New Products] Wi-Fi Test System Evaluates Networks Although Wi-Fi networks are increasingly being adopted by consumers and enterprises, ways to test these networks are still emerging. An example is CMC's EE-WPA multi-station test system. Using this system, designers, test managers, and network engineers gain the ability to perform sophisticated capacity, scalability, and load stress testing on WPA-enabled enterprise-class products and wireless networks. The system is for WPA-Enterprise with full support for 802.1x authentication, RADIUS,... — Staff January 2005 [Design Application] Mesh Networking Smooths Traffic Flow Two major problems afflict automobile-based transportation systems in the U.S. and around the world: traffic accidents and congestion. About half a million people are killed each year in traffic accidents worldwide. While Americans make up only 3% of the world's population, they account for almost 9% of those traffic fatalities. In 2003, more than 42,000 Americans died in traffic-related accidents. Similarly, 42,000 or more died the year before that.1 In fact, the total number of... — Donald Wilkins January 2005 [Design Application] Effective WLAN Testing Begins To Emerge Wireless-local-area-network (WLAN) technology first became prevalent in the small-office/home-office (SOHO) market. In that forgiving environment, convenience often outweighs performance concerns. But as 802.11 technology extends to the enterprise, wireless-system designers and developers must face the enterprise market's performance-based realities. Enterprise WLAN networks are evolving to support business-critical data and voice applications, large numbers of network users, and diverse... — Graham Celine , et al. January 2005 [Column] Public Safety Overcomes Communication Issues Without question, there is an ongoing and critical need to improve the mobile wireless communications infrastructure that's used by first responders and public-safety agencies across the U.S. In fact, certain problems have acted as key barriers to effective first-responder and public-safety communications and operations. Specifically, these problems include security limitations, communication interoperability challenges, and the availability—or lack thereof—of adequate bandwidth... — Edward Swallow , et al. January 2005 [News] Wireless Link Enables Binaural Hearing Aid Now that baby boomers are well on their way to retirement, the demand for hearing aids will surely begin heating up. About 80% of individuals with hearing loss would benefit from hearing aids in both ears rather than just one. Thanks to wireless technology from Siemens Hearing Instruments, an advanced binaural hearing system is now available to the 28 million Americans with hearing loss. Siemens' Acuris system incorporates the company's ear-to-ear (e2e) wireless technology (... — Lisa Maliniak January 2005 [News] Networking Specification Hits Global Milestone Recently, the ZigBee Alliance completed the ratification of its maiden ZigBee specification. That ratification was the culmination of two years of worldwide development and interoperability testing. Thanks to its completion, it should be easier to develop and deploy power-efficient and cost-effective wireless monitoring, control, and sensing networks. For the alliance-member companies with ZigBee-ready technology, the ratification allows them to quickly enhance their products and begin... — Lisa Maliniak January 2005 [New Products] High-Gain Amplifier Spans 3.3 To 3.8 GHz The race to WiMAX is on and it can be seen in many parts of the industry. For instance, Hittite Microwave Corp. just came out with a high-efficiency GaAs InGaP HBT MMIC power amplifier. Although the HMC409LP4 is suited for 802.16d/e WiMAX applications, the amplifier also is useful in other broadband fixed wireless applications in that frequency range. It operates between 3.3 and 3.8 GHz. Using a minimum of external components, the amplifier provides 31 dB of gain and +32.5 dBm of... — Lisa Maliniak January 2005 [New Products] ZigBee Demo Kit Gets Users Going This year should mean growth for the ZigBee standard. To ensure such growth, the PICDEM Z platform from Microchip provides hardware and a free ZigBee protocol software stack that can be easily integrated into wireless products. The 2.4-GHz demonstration kit supports the ZigBee standard protocol for wirelessly networked control and monitoring applications. The PICDEM Z 2.4-GHz demonstration kit includes all of the hardware, software source code, and PCB layout files needed to... — Lisa Maliniak December 2004 [News] Wireless-Networking Products Continue To Advance The ease and convenience of wireless networking continues to attract more home and small-office/home-office (SOHO) users. As wireless-networking products drill further down into the consumer population, however, they must fulfill some different and... — Nancy Friedrich  prev. page
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