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LEDs

February 8, 2010 7:29 am | Comments

All indications are that LED backlights will be the preferred light source in mobile applications in 2011, representing a significant growth opportunity for OEMs and the entire backlight and panel supply chain. Do you see the role of LEDs in wireless products changing as the technology matures? By Vandana Lokeshwar, Technical Marketing Manager, Newark Attention is now shifting away from achieving raw light output that matches incandescent bulbs, to increasing the number of lumens per electrical watt supplied.

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Network Operator Acceptance Testing of LTE Devices

February 8, 2010 7:29 am | Comments

The (new/old) challenges in accelerating LTE device time-to-market. By Konstantinos Stavropoulos, Anite click to enlarge Figure 1. A representative set of lab acceptance tests that 2G/3G operators have considered. The use of wireless devices, whether handsets or data cards, has increased substantially during the last few years.

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Building an FPGA-based SoC Framework for LTE Baseband Designs

February 8, 2010 7:28 am | Comments

By Akshaya Trivedi, Altera Corporation Figure 1. SoC framework and infrastructure. Radio Access Networks (RANs) are undergoing an architecture change to an all-IP flat network to reduce network deployment costs as well as to offer rich mobile applications and services at a lower end-to-end latency.

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Transmitter RFIC Integration for Next Generation Wireless Infrastructure Radios

February 8, 2010 7:28 am | Comments

Leveraging highly integrated RFIC designs and high dynamic range converters helps meet the challenges of next-generation base stations. By Phillip Halford and Ed Balboni, RF Group, Analog Devices, Inc. click to enlarge Figure 1.

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LTE: The Insatiable Need for Bandwidth Drives Architectural Change

February 2, 2010 10:14 am | Comments

By Manuel Uhm and Mark Quartermain, Xilinx The baseband processing function represents a key area of product differentiation for Telecommunications Equipment Manufacturers (TEMs). However, the advent of 3.9/4G systems poses a difficult challenge to TEMs, as they struggle to evolve traditional DSP-centric channel cards to meet a new set of technical and commercial challenges.

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Wireless Base Stations Benefit from Signal Compression

February 2, 2010 6:17 am | Comments

For deployments by a single operator, wireless repeater systems offer more cost effective fiber transport costs. By Allan Evans, VP of Marketing, Samplify Systems ABI Research predicts that revenues for distributed antenna systems and in-building wireless systems will exceed $15B by 2013.

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Designing a Wireless Heart Rate Monitor with Remote Data Logging

January 7, 2010 10:58 am | Comments

The current generation of monitors are portable heart rate sensors that have found their way into general purposes for activities such as exercise and sports. While these devices are useful for individual purposes, they do not facilitate use by a coach or manager. By Archana Yarlagadda, Cypress Semiconductor click to enlarge Figure 1.

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Wireless Sensor Networks Expand the Reach of Wireless Technology

December 18, 2009 10:55 am | Comments

Want to learn more about how design engineers are addressing the challenges of Wireless Sensor Networks? Read on! By Nicholas Butler, Wireless Sensor Networks, National Instruments click to enlarge Figure 1. Technology adoption lifecycle from Crossing the Chasm, Geoffrey A.

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Opening Up The Art of Low Noise

December 18, 2009 10:55 am | Comments

By Vandana Lokeshwar, Newark Engineers need to consider op-amp noise in designs for an increasing variety of applications. 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.

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E-Readers Leading the Charge

December 18, 2009 10:55 am | Comments

Nancy Maas Editor-in-Chief The holiday season is upon us once again and, as usual, we are subjected to the onslaught of catalogs, fliers, commercials and emails touting us to take advantage of the deep discounts merchants are offering for their wares.

MIMO-Analysis for WiMAX, WLAN and LTE

December 14, 2009 11:48 am | Comments

Making measurements involving MIMO applications requires adaptation of the algorithms used in the analysis software. By Johan Nilsson and Dr. Wolfgang Wendler, Rohde & Schwarz click to enlarge Figure 1. MIMO in WiMAX system. Due to ongoing growth in demand for channel capacity, more and more radio standards such as WiMAX, 3GPP HSPA, 3GPP LTE and WLAN are adopting MIMO technology.

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Integration and Power Management Open the Door for RKE Applications

December 14, 2009 11:48 am | Comments

ASSPs are meeting the challenges through the integration of mixed-signal technology and innovative power management schemes. Herve Branquart, Robert Waterman, ON Semiconductor click to enlarge Figure 1: Two way RKE block diagram Wireless transceiver technology is truly established in the automotive industry with Remote Keyless Entry (RKE) now a standard feature of even basic specification vehicles.

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Model-Based Design for Hybrid Electric Vehicle Systems

December 14, 2009 11:48 am | Comments

Hybrid Electric Vehicle (HEV) development requires collaboration and optimization across multiple engineering domains. By Saurabh Mahapatra, The MathWorks Figure 1: This simplified diagram of an HEV vehicle illustrates one possible arrangement of system elements.

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The Role of Wideband Transceiver Technology in Enabling LTE

December 14, 2009 11:47 am | Comments

An integrated single-chip RF transceiver provides the flexibility to address all aspects of the LTE standard. By Ebrahim Bushehri, Lime Microsystems click to enlarge Table 1: Comparison of data rate and channel bandwidth for wireless standards.

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How can Wi-Fi interoperate with WiMAX and LTE?

December 14, 2009 11:47 am | Comments

Welcome to Brainstorm! While Wi-Fi technology has proven to be largely successful in providing inexpensive wireless Internet service within close proximity to the Wi-Fi access point, WiMax technology could expand the potential of wireless penetration and connection quality. Ashish Sharma, VP Corporate Communications, Alvarion Wi-Fi technology has proven very successful for short range broadband connectivity for hotspots, residential homes and enterprises all around the globe, providing inexpensive wireless internet service within close proximity to the Wi-Fi access point through the use of license-exempt frequency bands.

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