Articles
Building an FPGA-based SoC Framework for LTE Baseband Designs
February 8, 2010 7:28 am | CommentsBy 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.
Transmitter RFIC Integration for Next Generation Wireless Infrastructure Radios
February 8, 2010 7:28 am | CommentsLeveraging 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.
LTE: The Insatiable Need for Bandwidth Drives Architectural Change
February 2, 2010 10:14 am | CommentsBy 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.
Wireless Base Stations Benefit from Signal Compression
February 2, 2010 6:17 am | CommentsFor 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.
Designing a Wireless Heart Rate Monitor with Remote Data Logging
January 7, 2010 10:58 am | CommentsThe 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.
Wireless Sensor Networks Expand the Reach of Wireless Technology
December 18, 2009 10:55 am | CommentsWant 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.
Opening Up The Art of Low Noise
December 18, 2009 10:55 am | CommentsBy 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.
E-Readers Leading the Charge
December 18, 2009 10:55 am | CommentsNancy 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 | CommentsMaking 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.
Integration and Power Management Open the Door for RKE Applications
December 14, 2009 11:48 am | CommentsASSPs 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.
Model-Based Design for Hybrid Electric Vehicle Systems
December 14, 2009 11:48 am | CommentsHybrid 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.
The Role of Wideband Transceiver Technology in Enabling LTE
December 14, 2009 11:47 am | CommentsAn 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.
How can Wi-Fi interoperate with WiMAX and LTE?
December 14, 2009 11:47 am | CommentsWelcome 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.
How does a reputable component supplier guard against counterfeit components?
December 14, 2009 11:47 am | CommentsWelcome to Brainstorm! The detection of counterfeit components has become increasingly difficult. The majority of parts have the same or similar markings as their qualified counterpart. In many cases, the identification of major manufacturers is applied despite manufacturers' efforts at product differentiation.
High Temperature MLVs and Low Capacitance MLVs Improve Auto Designs and Reliability
December 14, 2009 11:47 am | CommentsWith recent technical advancements, MLVs can now be used throughout the growing number of modules and interfaces in under hood automotive applications. By Ron Demcko, AVX click to enlarge Figure 1. Integration Capacitor Charge Calculations.
