|
  |
||||
 |
|
|||
|
Collaborators Get A Fix On E-GPS For many OEMs in the wireless-network and mobile-device spaces, Enhanced Global Positioning Systems (E-GPS) are high on the wish list. E-GPS addresses the problem of providing quality timing assistance to GPS-enabled devices in asynchronous networks, such as GSM and W-CDMA. The lack of a common synchronization source means that devices can take longer to provide a location reading. E-GPS brings together two independent positioning... March 2005 [News] RF Power Amplifiers Come From Common Stuff Most modern RF power amplifiers are built from legacy analog circuits. Typically, such circuits are produced in multi-component modules and in costly, low-volume semiconductor processes like Gallium Arsenide (GaAs). Yet ParkerVision, Inc. recently extended its Direct2Data digital RF transceiver technology to overcome a significant hurdle. It can now produce ultra-efficient, low-cost RF power amplifiers in common silicon semiconductors.... March 2005 [News] Linux-Based UMTS/EDGE Reference Design Debuts According to industry research, Linux is ready to secure a significant share of the smart-phone market segment in the next design cycle. For designers who wish to get a jump on development for the growing UMTS/EDGE smart-phone market, there's now a smart-phone reference design based on Linux. Developed by Infineon Technologies, Samsung Electronics, Trolltech, and Emuzed, the reference platform showcases many advanced 3G and multimedia... March 2005 [News] 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... March 2005 [News] OBSAI Specifications Become Freely Available The Open Base Station Architecture Initiative (OBSAI) has made the first versions of its open base-station-interface specification documents available to non-members. The specifications are relevant to the interfaces between the transport, control, baseband-processing, and radio functional modules. They were developed by OBSAI's 115 member companies. The companies' activities span modules, components, and base stations. These... 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... 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... 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... February 2005 [News] Three-Transceiver Mimo Integrated Circuit Boosts Bandwidths Users have an insatiable need for bandwidth. As a result, wireless-product OEMs are looking to incorporate data rates that are higher than those permitted by existing 802.11a/g standards. Some are eyeing the emerging Multiple-Input Multiple-Output (MIMO) standard, which is also known as 802.11n. It promises to achieve data rates of more than 200 Mbps. To aid in their quest, Athena Semiconductors and Samsung Electronics' Digital Media R&D Center have developed a three-transceiver RF... 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... February 2005 [News] Flash-Density Doubling Leads To More Handset Memory Mobile handsets are evolving rapidly. Much of this evolution is dependent upon memory advances. For example, look to Spansion (www.spansion.com), the Flash-memory subsidiary of AMD and Fujitsu Ltd. It expects Flash-memory requirements for mainstream phones to jump from about 150 Mb per phone in 2004 to over 500 Mb in 2007. High-end phones require even more Flash memory. They'll rise from about 750 Mb today to an estimated 5 Gb and beyond in 2007. In keeping with this outlook,... 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 (... January 2005 [News] Design A Wireless Winner For wireless developers, there's nothing like being recognized for a job well done. Now, they can turn to the second-annual Wireless Innovation Contest 2005 (WIC 05) for such recognition. In exchange for promising ideas, this contest offers a valuable boost toward marketability. The contest, which is under the aegis of the Wireless Innovation Network of British Columbia (WINBC), is open to Canadian and American wireless developers and solution providers. It's intended to recognize... January 2005 [News] High-Powered Collaborators Produce Low-Powered SoC Demo For next-generation wireless devices, longer battery life is a top-echelon design goal. But achieving that goal often requires expertise in multiple technology domains. Few if any single organizations possess such expertise. As a result, ARM, Artisan Components, National Semiconductor, Synopsys, and UMC have decided to funnel their individual technology strengths into a collaboration. The companies will deliver a comprehensive low-power, energy-efficient, system-on-a-chip (SoC) technology... 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... 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... January 2005 [New Products] Miniature GPS Module Flaunts Very Low Power Between enhanced-911 (e-911) requirements and the rise of location-based services, Global Positioning Systems (GPSs) are becoming more commonplace in mobile devices. To feed this growth, Trimble debuted an ultra-low-power, miniature GPS receiver. The 12-channel Lassen iQ module features two GPS signal-sensitivity modes: Standard and Enhanced. When Enhanced mode is enabled, the module will automatically switch to higher sensitivity if satellite signals are weak. For fast... January 2005 [New Products] Reconfigurable DFM Tools Bring Closure To OPC The Halo suite of DFM tools from Aprio Technologies delivers a new answer to the thorny problems that come with chip-design respins. It also promises to help the designs that need optical-proximity-correction (OPC) modification to solve yield issues or the modified designs that require a quick change to mask data (also called ECOs). Aprio's Reconfigurable OPC Technology enables Halo to reconfigure an OPC'd layout for a new, optimized OPC result. Such a result can deliver huge performance... 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... December 6, 2005 [Wireless Systems Design UPDATE] Wireless Systems Design UPDATE: December 6, 2005  prev. page
[1]
2
next page 
|
|
||||||||
|
|
|
PlanetEE Home | Contact Us | About Us | Advertise | Site Feedback & Bugs Copyright © 2008 Penton Media, Inc., All rights reserved. Legal | Privacy |
Electronic Design Europe  Electronic Design China EEPN Microwaves & RF Schematics Electronic Design Military Electronics Featured Vendors EE Events Free Design Resources |
|
|
Planet EE Network Home |
Contact Us |
Editorial Calendar |
Media Kit |
Headlines |
Site Feedback & Bugs Copyright © 2008 Penton Media, Inc., All rights reserved. Legal | Privacy |