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Will Femtocells or Wi-Fi Save Mobile Networks from the Data Deluge?
People love their smartphones. The convenience of having access to the Internet anywhere and at any time is extremely compelling.
In an effort to stoke the fires of demand, the industry is actively improving the offerings.
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OpenVPX Beamforming System Case Study from Pentek
Beamforming is a signal processing technique that utilizes an array of sensors to achieve directionality, increase the strength of transmitted signals and improve the quality of received signals. Beamforming is extensively used in communications, radar, direction finding, countermeasures, weapons systems, oil and mineral exploration, and medical imaging and treatment.
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Custom IF SAW Filters for Sirius Satellite Radio Receivers
Problem Solvers - Filters
By Jidong Dai, Ph.D., Mike Ferguson, Frank Perkins
RFM, and Bob Dockemeyer, Delphi
Sirius Satellite Radio broadcasting utilizes highly elliptical orbit (HEO) satellites, resulting in superior coverage over North America where the service is targeted.
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TECH EXCHANGE
Welcome to Tech Exchange on Test & Measurement!
Each month this new section will focus on a different product category and will include a brief interview with a representative from a leading OEM.
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Powering Toll Tags
Case Study: Customized Coin Cell Holders for Automotive Toll Tags
Challenge
A leading manufacturer of toll tags recently approached MPD looking for a new battery holder to replace soldered-in batteries.
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Selective Data Replication between Embedded and Enterprise Systems
By Steve Graves, McObject
Among wireless systems developers, database management system (DBMS) replication is typically associated with high availability (HA). Deploying real-time DBMS software on a master node, with multiple synchronized copies of that database running on standby nodes, and automatic failover to one of these replicas in the event of the master node’s failure, provides for instant recovery and maximum system up-time.
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Design Considerations for Wireless Devices using Energy Harvesting
Mark Grazier, Third-Party Program Manager, Low-Power RF, Texas Instruments
The key to optimizing energy scavenging devices with low-power wireless systems is to take advantage of some very important but sometimes forgotten best practices.
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Energy Harvesting and Wireless Balancing Power Generation and Consumption
By Martin R. Johnson, ILLUMRA and Eugene You, EnOcean, Inc.
Wireless, energy harvesting technologies are making waves in building automation and energy conservation controls because they overcome limitations of hardwired solutions and maintenance issues inherent to battery-dependent devices.
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The Effects of Meandering in RFID Tag Design
By Mark Forbes, Mentor Graphics Corporation
As is well known, maximum RF coupling occurs when impedances on each side of the coupling match. A perfect match occurs when the impedances are identical and the Complex Matching Factor (CMF) is 0dB.
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Wireless Sensor Networks: A Low-Power, Wireless-Enabled Application
By Iboun Taimiya Sylla, Texas Instruments
The explosion of wireless technologies in recent years has allowed the emergence of several wireless standards in the industrial scientific and medical (ISM) band.
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The Emerging Smart Multi-Grid™ Wireless Architecture – A Network of Networks
By Byron Henderson, Mesh Dynamics
Smart Grid networks are currently receiving tremendous government attention and funding. The US Department of Energy says the Smart Grid "would integrate advanced functions into the nation's electric grid to enhance reliability, efficiency, and security, and would also contribute to the climate change strategic goal of reducing carbon emissions.
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Power Film Capacitors Enable Advancements in Hybrid Vehicles
By Chris Reynolds, AVX Corporation
Within the last few years, designers have established a solid powertrain foundation for hybrid vehicles (HEVs) and electric vehicles (EVs). All major auto manufactures see the hybrid and electric vehicle market as one continuing to enjoy steady growth.
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High Speed Differential Interfaces and the Need for Common Mode Filtering and Protection
By Jonathan Harris, ON Semiconductor
In the operating environment seen by electronics today there are numerous sources of electromagnetic interference (EMI) and radio frequency interference (RFI).
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Differentiate Application Look, Feel and Function with Autonomous User Interfaces
By Robi Karp, Fluffy Spider Technologies
The earliest embedded systems – industrial automation and scientific instruments communicated with operators using physical actuators: knobs, dials, gauges, indicator lights, etc.
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WiMAX 2010: Delivering 4G Around The World
By Kent Helm, Intel
WiMAX is the only globally deployed 4G technology that today is enabling primary broadband in developing markets and providing 4G services in the most advanced telecommunication markets.
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GPS Based Timing and Synchronization Solutions for WiMAX
Ken Hartman, Connor-Winfield
With the recent surge in popularity of WiMax wireless broadband solutions for home and business, the best and brightest WiMax equipment providers are busy investigating and implementing the newest technologies available for their next generation products.
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Next Generation PoP for Processor and Memory Stacking
The continued increase in mobile handset functionality is being enabled by more powerful baseband and applications processor chips, which are more frequently coupled with memory devices using package-on-package (PoP) stacking.
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Mobile Virtualization — The "Killer App" for Mobile Design and Development
Over the last few years, virtualization has evolved from an obscure technology to become a key enabler of enterprise server and desktop applications. More recently, virtualization has also begun to play a comparably pivotal role in embedded development and deployment.
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Three Ways to Create Eco-Friendly, Financially-Beneficial Packaging
It has been said that at retail, your package is your brand. And, increasingly, consumers are opting for products and packaging that are green. Can you integrate these seemingly opposing ideas to create packaging that's compelling to buyers and environmentally friendly? And, can you do it without breaking the bank?
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Creating Quality Mobile Video Telephony Applications
3G video-telephony is commonly used today in interactive video value-added services. Such services can take advantage of the 3G circuit-switched bearer because of three main reasons
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Opening Up The Art of Low Noise
Today's world is challenging engineers to do more with less; to create new products that will help users improve aspects such as productivity or quality of life while consuming fewer resources such as fuel, finance or time. Pursuing these goals is driving a number of changes in design approaches.
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High Temperature MLVs and Low Capacitance MLVs Improve Auto Designs and Reliability
Multilayer varistors (MLVs) have long been an ideal solution for low power circuitry and sensor applications due to their inherent low current leakage characteristic, which can be as low as a few nanoamps. MLV off state capacitance is also a compelling advantage to designers since it provides a broad range of EMI filtering.
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Smart Design Strategies for the Wired and Wireless Network
When building or upgrading a cabling infrastructure, it pays to include wireless networks in your upfront plans and budget accordingly to enable seamless integration and interoperability
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