Bring GPS to mobile handsets
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2007-08-16 |
| If GPS in mobile phones is going to be a success, it is vital that designs are sufficiently intelligent to handle the challenging mobile environment—both in terms of the technological hurdles and the penetration of the mobile handset market. That means GPS has to be low power, low cost and able to deliver on performance |
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| GPS low-noise amplifier design made easy with MMIC
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2005-08-16 |
| Learn the possible ways of putting MMIC-based GPS low-noise amplifier designs under software control |
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| GPS chips navigate mobile phones
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2005-07-18 |
| GPS chips in handsets will explore applications ranging from locating individuals placing emergency calls to information customized to the user's whereabouts |
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| GPS technology empowers 3G wireless handsets
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2004-07-16 |
| Qualcomm uses a GPS-based solution to improve positioning availability and accuracy in the wireless sector |
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| Assisted-GPS provides faster data acquisition
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2006-01-16 |
| Use of A-GPS can result in faster acquisition of signals, facilitating navigation that would otherwise be impossible |
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| Real-time GPS around the corner
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2001-04-15 |
| 3G wireless GPS may seem far-fetched, but the technical capabilities needed to pull it off are available now and in the near future, designers will utilize these capabilities into the hardware and software required to further innovative mobile GPS |
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| Re-architecting GPS for mobile phones
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2008-04-01 |
| Existing GPS technologies were designed for in-car personal navigation devices (PNDs), for which power savings are not so important, and as GPS moves into the mobile handset, there is a need to rethink how and where the technology is implemented and how the GPS functions are controlled |
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| GPS Receiver Modules Ease Overall System Design
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2001-03-30 |
| This paper focuses on the advantages of the use of GPS receiver modules for the design of new and innovative products |
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| Integrating GPS receivers with passive antennas
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2003-12-01 |
| The impact of the direct integration of passive antennas on the GPS system performance is analyzed. The low-gain low noise radio front-end stage, the low levels of inter-system interference and the optimum loading of the analog-to-digital converter enabled the direct connection between the GPS radio and the passive antenna with high sensitivity |
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| Testing GPS functions of mobile phones
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2007-05-16 |
| Development and conformance test requirements for A-GPS-based cellphones, time-to-market pressures and the need for field trials have compelled OEMs to perform in-field testing of cellphones |
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| Building a GPS device on conventional PCBs
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2002-05-01 |
| null |
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| Location services expand scope
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2001-05-16 |
| With the deployment of GPS and network-based locating methods, local positioning services are emerging as one of the most exciting topics in mobile communications |
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| Smart antennas: A design alternative
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2005-02-16 |
| With integrated GPS technology, today's smart antennas drive new alternatives in remote tracking |
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| Paving the way to new LBS applications
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2009-11-26 |
| This article explores the available positioning systems (i.e. GNSS, GPS, Galileo, GLONASS and Compass), digital mapping and other location-based services (LBS) applications |
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| Self-synchronizing a CDMA cellular network
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1999-09-09 |
| This paper describes the concept of utilizing the normal messaging of mobile stations operating in an IS-95 CDMA network to transfer time between various BTSs (Base Station Transceivers). IS-95 is a time-synchronous system in that all BTSs operate from a common time reference, which is specified to be the same as the time scale used by the Global Positioning System (GPS). This design choice provides the CDMA network with several advantages over an asynchronous design, but does require some means to distribute time throughout the network |
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| Touchscreen basics: Technology, design
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2009-07-14 |
| Understand the touchscreen technology ecosystem and availability. |
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| DSP power propels next-generation wireless
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2001-04-15 |
| The enhancements of wireless design offers new opportunities with tough tech challenges for designers. However, DSPs will remain a fundamental part of wireless design. |
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| EMC Basics #8: A primer on troubleshooting EMI problems
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2011-07-18 |
| Find out how to begin finding and fixing your EMI problem(s). |
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| Unraveling Sony Vita
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2012-01-03 |
| In the significant sockets of Sony's Playstation Vita, you can find IBM, Toshiba, Qualcomm and Avago. |
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| Adoption of Bluetooth, Wi-Fi in handsets to rise rapidly
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2011-08-15 |
| Here's a look at the lineups of Qualcomm and its acquisition Atheros to assess their impact on a handset market that's embracing Bluetooth and Wi-Fi. |
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| Reducing the cost of cellphone testing
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2006-09-16 |
| As phones increase in complexity, requiring more tests, manufacturers must find strategies that will keep rising test costs down. |
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| Optimize algorithms with customizable MCUs
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2007-08-16 |
| Various applications require complex algorithms to be executed in real-time. Many of these algorithms follow periodically upgraded industry standards. Engineers are facing a challenge: to optimize the execution of these algorithms within tight constraints and strict limits on the cost and development time. |
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| Data logging makes its way into embedded apps
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2009-12-17 |
| Demand for automatic storage of system data is increasing in embedded applications. This is driven by system manufacturers and final users for traceability and security, and by some country local regulation for many quality-critical areas. |
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| Customizable MCUs take on FPGA tasks
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2007-11-01 |
| Using a customizable MCU with an MPCF allows designers to integrate their custom IP into a near off-the-shelf solution. It offers the cost, power consumption and performance benefits of a full-custom ASIC, with NREs and design cycle that are not much different from those of an off-the-shelf MCU + FPGA design. |
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| Galaxy tab: A worthy foe for iPad?
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2011-03-28 |
| With the launch of its Galaxy Tab, Samsung hopes to bite into Apple's market share with a tablet platform designed to give the iPad real competition. |
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| Advanced mobile apps employ MEMS sensors
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2011-06-27 |
| Read about the role of MEMS sensors in advanced applications in mobile devices. |
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| Choosing DDR memory power supply IC
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2008-02-18 |
| DDR memory has specific power supply voltage requirements. Norman Chan and WS Wong of Freescale Semiconductor espouse that designers use a DDR memory power supply IC to ensure compliance with the standards and maximize battery run-time of portable devices. |
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| Incorporating M2M into smartphones
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2011-12-01 |
| Read about leveraging the latest smartphone technology into a commodity M2M engine. |
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| Balancing processing needs, power and integration in next-gen handsets
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2006-12-18 |
| This article will discuss how new types of cellphone designs are changing the way cellphone designers tackle some of the most difficult challenges. |
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| Integrate power-manager ICs in high-end handsets
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2007-06-18 |
| The need for high-efficiency charging, high levels of feature integration in the battery-charger IC, efficient use of board space, and increased product reliability exert considerable pressure on the design of battery-powered electronic devices. |
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