| Position location strategies, applications (Part 4)
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2012-01-06 |
| This instalment tackles the concept of cognitive radio together with some recent results in the area of position location. |
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| Position location strategies, applications (Part 3)
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2011-11-07 |
| Learn about some aspects of mobility that need to be considered to balance the capacity–coverage trade-off that mobility causes. |
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Employing low cost, low-noise crystal buffers
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2011-04-25 |
| Know the role of the crystal oscillator and buffer, which provides single or multiple identical outputs. |
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| The essential aspects of LTE's PHY (Part 1)
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2010-06-22 |
| The design of the LTE physical layer (PHY) is heavily influenced by requirements for high peak transmission rate (100Mbit/s DL/50Mbit/s UL), spectral efficiency and multiple channel bandwidths (1.25-20MHz). |
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| Optimise software to up radio performance
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2009-10-23 |
| Since the dawn of cellular communications, the industry has advanced through three generations of radio standards and is about to launch 4G. The market has been focusing on programmable silicon while the potential show stopper is the software. |
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| Reducing power in MID's displays
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2009-09-03 |
| Here's a design tip on reducing power in mobile Internet devices' (MIDs') displays. |
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| Understanding WiMAX protocol testing
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2009-06-18 |
| Protocol conformance testing for WiMAX is vital for minimising time-to-market for vendors by ensuring that any problems |
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| Mobile WiMAX all set for portables
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2009-03-17 |
| Read about WiMAX sub-systems packaged in self-contained modules to simplify the integration of this technology |
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| Design WiMAX picocells with AGC, Part 2
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2009-02-10 |
| Know how MAC algorithms can be used to provide additional margin to WiMAX system designs |
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| Fundamentals of MIMO testing
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2009-02-09 |
| Here's a look at the key parameters and tests needed to tell how an OFDM-based MIMO system is performing. |
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| WiMAX CPE transceivers' role in base station apps
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2009-02-04 |
| Read about WiMAX transceivers that are useful in applications ranging from femtocells to microcells |
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| Design WiMAX picocells with AGC
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2009-01-29 |
| Here are cost- and power-efficient techniques for developing femtocells and picocells using WiMAX transceivers |
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| Make 4G wireless a reality
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2009-01-19 |
| Know the infrastructure changes required for 4G services, and the considerations in making those changes. |
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| Go beyond LTE requirements, goals
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2008-12-26 |
| LTE presents a number of lofty goals, creating challenges for technology and service providers, and equipment manufacturers. |
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| Signal compression eases migration to 4G
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2008-12-23 |
| Know how to use signal compression to enable the continued use of low cost fiber optic transceivers. |
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| ASN-GW's role in WiMax access networks
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2008-12-15 |
| Read about the responsibilities of ASN-GW as a central controller for providing proposed 4G features. |
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| Meet WiMAX power amp challenges
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2008-12-01 |
| Power amplifier designers and those choosing PAs for mobile WiMAX products need to find the best balance between high power and high efficiency in order to ensure robust links, high data rates, and good range |
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| Build WiMAX base, subscriber stations
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2008-11-12 |
| Here are guidelines and reference examples for creating WiMAX base stations and self-configurable indoor or outdoor subscriber stations200811/EEIOL_2008NOV12_RFD_TA_01.pdf |
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| Mobile WiMAX enables IP convergence
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2008-10-01 |
| WiMAX deployment is emerging as the preferred choice of providers of IP convergence services. It has a clear advantage over 3G in terms of cost of building the network. Compressing technologies like ROHC enables the adoption of IP convergence, optimising the scarce bandwidth usage |
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| Consider FFT module reuse in OFDM modulation
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2008-09-24 |
| This document discusses how to implement CP insertion and removal for OFDM modulation and demodulation. |
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| Design a scalable OFDMA engine for WiMAX
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2008-09-17 |
| WiMAX, with OFDMA as a key technology, is gaining popularity as a broadband wireless access technology. It is necessary to choose a silicon platform that offers flexibility, scalability and a risk-free cost-reduction path |
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| Architectural choices in building a mobile WiMAX system
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2008-09-10 |
| Know the advantages and disadvantages of architectural design choices for mobile WiMAX systems in terms of signal interface, RF chain conversion and other concerns |
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| OFDMA: The interface for 4G wireless
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2008-09-09 |
| Get an overview of OFDMA and its benefits and applications in 4G systems. |
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| Getting the best out of your mobile WiMAX design
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2008-07-30 |
| Proper and accurate testing helps ensure full interoperability of WiMAX equipment |
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| Get the skinny on OFDM, MIMO
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2008-05-16 |
| This article focuses on OFDMA and MIMO in the context of a software-defined (flexible) architecture, describing how to implement the core DSP algorithm of OFDMA and the novel variant used by LTE for the uplink, then briefly discussing the use of MIMO for both WiMAX and LTE |
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| Use envelope tracking in multi-carrier PAs
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2008-03-16 |
| Use envelope tracking to increase RF PA efficiency regardless of device technology and while preserving the benefits of high spectral efficiency possible with modern wireless communication standards. |
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| The Road to WiMAX TV
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2008-02-06 |
| ...Mobile TV" is proving to be a promising ARPU (average revenue per user) generator for mobile operators, and a WiMAX TV broadcast/multi-cast solution offers the most popular mobile programming at quality reception over predictable bandwidth and without risk of congestion during peak-viewing periods |
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| Implementing OFDM modulation for wireless communications
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2008-02-05 |
| High FFT throughput is essential in broadband systems especially when FFT is shared between multiple data paths. |
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| The art of mobile WiMAX transmitter testing
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2008-02-01 |
| There is a need to address multipath effects from buildings and other obstructions in order to achieve the full interoperability of WiMAX since it is intended as a solution for metropolitan broadband wireless access applications |
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| The designer's basic guide to WiMAX technology, standards and implementation
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2008-01-15 |
| This article provides design engineers a reference on WiMAX's fundamentals |
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Strange modes of transport and other "stuff"
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