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dsl
(149 results)-
Whitepapers
Power Line Network Topology Inference Using Frequency Domain Reflectometry
May 2012
Frequency Domain Reflectometry (FDR) is a technique that was proposed for fault detection in Digital Subscriber Line (DSL) cables. In this paper, the authors describe how FDR can be used to...
Provided by University of Bristol
-
Whitepapers
Improved Error Localization in DSL Systems Based on the Common Mode
May 2012
The authors propose a scheme to improve system performance in Discrete MultiTone systems, which combines the joint differential and common mode processing at the receiver side with erasure...
Provided by Jacobs University Bremen
-
Whitepapers
Performance Evaluation of IEEE 802.16e (Mobile WiMAX) in OFDM Physical Layer
Mar 2012
WiMAX is introduced by the Institute of Electrical and Electronic Engineers (IEEE) which is standard designated 802.16d-2004 (used in fixed wireless applications) and 802.16e-2005 (mobile...
Provided by International Journal of Engineering Research and Applications (IJERA)
-
Whitepapers
Krylov Algorithms for FEXT Cancellation in Upstream MIMO VDSL
Dec 2009
In this paper, the authors show that Krylov subspace techniques are well suited for cancellation of Far End CROSSTalk (FEXT) in MIMO Digital Subscriber Lines (DSL). These methods are...
Provided by Indian Institute of Technology Delhi
-
Case Studies
Major Internet Provider Speeds Up DSL Service
Nov 2012
A large telecom company had amassed a portfolio of five contact center outsourcing vendors. Following a thorough review of performance, capability, and pricing, Telvista was selected to continue...
Provided by Telvista
-
Whitepapers
Maximizing DSL Performance in the Field with Dynamic Line Management
Jul 2009
Dynamic Line Management (DLM) is operational in many Digital Subscriber Line (DSL) networks worldwide covering various use cases such as network stabilization, open-pipe architecture, service...
Provided by Alcatel-Lucent
-
Webcasts
C 2012: Cassandra in Rackspace Cloud Monitoring
Aug 2012
In this webcast, the presenter going to explain about Rackspace Cloud Monitoring which is a highly-available API-driven monitoring system built to scale up to 1 million active checks. The product...
Provided by Oleksiy Kovyrin
-
Whitepapers
The Rate Maximization Problem in DSL with Mixed Spectrum and Signal Coordination
Sep 2011
Theoretical research has demonstrated that the gains in data rate achievable with spectrum coordination or signal coordination techniques are substantial for Digital Subscriber Line (DSL)...
Provided by EURASIP
-
Whitepapers
Proposed Number of Services to Coexist in the Cable Bundle With VDSL2 Service
Nov 2009
The authors propose a suitable number of different services to coexist in the same cable bundle with VDSL2 service (Very high bit-rate Digital Subscriber Line 2). The situation for quad cables and...
Provided by TELFOR
-
Podcasts
Railscasts #354: Squeel
May 2012
In this podcast, the speaker will explain about Squeel. Squeel provides a comprehensive DSL for writing SQL queries in Ruby. It is built upon Arel giving the user access to many of its powerful...
Provided by Oleksiy Kovyrin
-
Whitepapers
Peer-to-Peer Approach of Locating Servants
Feb 2012
At the same time, the current wave of distributed sharing services tends to involve resources available at the edge of the network and hence bases on the Peer-To-Peer (P2P) paradigm to achieve...
Provided by Creative Commons
-
Whitepapers
A General Joint Transceiver Design for Multiuser MIMO Channel Equalization
Jul 2010
Recently, the attentions to Multiple Input Multiple Output (MIMO) systems have increased significantly due to their increased performance. MIMO became a frequently used technique in both wireless...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Optimized Resource Allocation for Upstream Vectored DSL Systems With Zero-Forcing Generalized Decision Feedback Equalizer
Dec 2007
In modern Digital Subscriber Line (DSL) systems, twisted pairs are significantly shortened because of the deployment of Optical Network Units (ONU) or Remote Terminals (RT). The channel condition...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
WiMAX Integration in NGN Network, Architecture, Protocols and Services
Jul 2009
With growing demands for fast provision of new and complex services, imposed by life and business dynamic in general, service providers are forced to adopt open technologies and advanced business...
Provided by WSDOT
-
Whitepapers
Towards the Improvement of Diagnostic Metrics Fault Diagnosis for DSL-Based IPTV Networks Using the R�nyi Entropy
Nov 2012
IPTV networks blindly rely on the adequate operation and management of the underlying infrastructure that in numerous cases is threaten by unexpected anomalous events which consequently cause QoS...
Provided by University of Port Harcourt
-
Whitepapers
Joint Partial Crosstalk Cancellation and Modified Iterative Water-Filling for Upstream VDSL
May 2008
Far-End CrossTalk (FEXT) is the major limitation to achieve high data-rates in VDSL systems. Full Crosstalk Cancellation (FCC) techniques have been proposed to mitigate the effect of crosstalk....
Provided by NORTH ATLANTIC UNIVERSITY UNION
-
Whitepapers
Dynamic Spectrum Leasing (DSL): A New Paradigm for Spectrum Sharing in Cognitive Radio Networks
Feb 2010
Recently, proposed a Dynamic Spectrum Leasing (DSL) paradigm for dynamic spectrum access in cognitive radio networks. In this paper, the authors formalize this concept by developing a more general...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
On the Achievable Bit Rates of DSL Vectoring Techniques in the Presence of Alien Crosstalkers
Nov 2012
Different pre-coder and equalizer structures have been proposed in literature for vectored Digital Subscriber Lines (DSLs). In this paper, the authors assess the relative merit of advanced complex...
Provided by University of Iowa
-
Whitepapers
Expert System Based on Wavelets and DELT Measurements for VDSL Systems
Nov 2012
Dual-Ended Line Testing (DELT) is a common capability in most current modems and can be used for Digital Subscriber Line (DSL) qualification and monitoring purposes. In spite of that, this feature...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Investigation of Upstream Near-Far Problem in VDSL Systems via Complete Adaptive Iterative Water Filling Algorithm
Nov 2011
Crosstalk is the main degrading factor in Digital Subscriber Line (DSL) systems which are the result of electromagnetic coupling between two adjacent twisted pairs in a cable. Very-high bit-rate...
Provided by Scientific Research
-
Whitepapers
Global Electronic Dominance with Spatial Grasp
Nov 2012
A high-level control technology will be revealed that can dynamically establish overwhelming dominance over distributed networked systems with embedded electronic devices and any communications...
Provided by Scientific Research
-
Podcasts
Railscasts #234: Simple Form
Oct 2011
Forms made easy for Rails, it is tied to a simple DSL with no opinion on markup. In this podcast, the speaker going to explain about Simple Form which is a convenient way to generate forms with...
Provided by Oleksiy Kovyrin
-
Whitepapers
Design and Configuration of PCN Based Admission Control in Multimedia Aggregation Networks
Oct 2009
DSL aggregation networks are evolving to the standard platform for the delivery of multimedia services such as television and network based personal video recording. These multimedia services...
Provided by Ghent University
-
Whitepapers
A Clustering Approach to Autonomous Spectrum Balancing Using Multiple Reference Lines for DSL
Oct 2011
Crosstalk is the limiting factor of performance in Digital Subscriber Line systems. The use of Dynamic Spectrum Management (DSM) can reduce the effects of crosstalk. For DSM algorithms, there is...
Provided by Institute of Electrical and Electronics Engineers
-
Whitepapers
Coverage Optimization in DSL Networks by Low-Complexity Discrete Spectrum Balancing
Oct 2011
Spectrum balancing is an established optimization approach in multi-carrier Digital Subscriber Line (DSL) systems. It has previously been applied to very different performance objectives such as...
Provided by Institute of Electrical and Electronics Engineers
-
Whitepapers
Stable Sleeping in DSL Broadband Access: Feasibility and Tradeoffs
Oct 2011
Energy efficient and stable operation of the DSL broadband access infrastructure has become an essential part of the emerging trend towards green communications. One promising means to obtain...
Provided by Institute of Electrical and Electronics Engineers
-
Whitepapers
Ergodic Capacity of a DSL Binder Channel
Oct 2011
The goal of this paper is to investigate the capacity of a symmetric Digital Subscriber Line (DSL) channel under Gaussian interference and thermal noise. Previous efforts only considered various...
Provided by Institute of Electrical and Electronics Engineers
-
Whitepapers
Energy-Efficient DSL Using Vectoring
Oct 2011
A multi-user signal coordination scheme known as Vectoring will play a crucial role in next generation Digital Subscriber Lines (DSL). Previous studies have demonstrated that vectoring increases...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
DSL-Lab: A Low-power Lightweight Platform to Experiment on Domestic Broadband Internet
Jul 2010
This paper presents the design and building of DSL-Lab, a platform to experiment on distributed computing over broadband domestic Internet. Experimental platforms such as PlanetLab and Grid'5000...
Provided by INRIA
-
White Papers
DSL-Lab: a Platform to Experiment on Domestic Broadband Internet
Oct 2009
This paper presents the design and building of DSL-Lab, a platform for distributed computing and peer-to-peer experiments over the domestic broadband Internet. Experimental platforms such as...
Provided by INRIA
-
White Papers
MontiCore: Modular Development of Textual Domain Specific Languages
May 2008
Reuse is a key technique for a more efficient development and ensures the quality of the results. In object technology explicit encapsulation, interfaces, and inheritance are well-known principles...
Provided by Technische Universitat Braunschweig
-
White Papers
Analysis of the Issues of Effective Broadband Media Services Deployment in the Computer Communication
Jun 2010
Fast Internet access barely scratches the surface of the powers of broadband, DSL, and IP technology, which, combined in broadband media services, will connect people and businesses around the...
Provided by Pennsylvania State University
-
White Papers
Power of Clouds In Your Pocket: An Efficient Approach for Cloud Mobile Hybrid Application Development
Apr 2010
The advancements in computing have resulted in a boom of cheap, ubiquitous, connected mobile devices as well as seemingly unlimited, utility style, pay as one go computing resources, commonly...
Provided by Institute of Electrical and Electronics Engineers
-
Case Studies
How Cisco IT Provides Secure and Flexible Remote Access for Mobile Employees and Home Offices
Nov 2007
In August 2001 the Cisco Systems IT remote access group faced a crisis. Their primary high-speed remote access solution in the United States, based on DSL, was about to disappear. This crisis...
Provided by Cisco Systems
-
White Papers
A Fixed-Point DSP Architecture for Software-Defined Radio
Jul 2008
Software-Defined Radios (SDR) performs signal processing in the digital domain, replacing hardware that previously performed such processing. The need exists to rapidly create new SDR applications...
Provided by University of Stellenbosch
-
White Papers
Beyond Broadband - A Quiet Revolution
Apr 2008
The benefits of the Internet, both for businesses and the consumer are widely documented. When people talk about 'broadband', however, most are talking about Asymmetric DSL (ADSL), which is still...
Provided by Easynet Connect
-
White Papers
A Dynamic Spectrum Leasing (DSL) Framework for Spectrum Sharing in Cognitive Radio Networks
Jan 2009
The authors propose Dynamic Spectrum Leasing (DSL) as a new paradigm for Dynamic Spectrum Sharing (DSS) in (cognitive) radio networks to improve spectrum utilization. In contrast to exiting...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Game-Theoretic Framework for Dynamic Spectrum Leasing (DSL) in Cognitive Radios
Dec 2009
In this paper, the authors develop a game-theoretic framework for dynamic spectrum leasing in a cognitive radio network. Dynamic Spectrum Leasing, or DSL for short, is a new paradigm for efficient...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Dynamic Spectrum Leasing (DSL) in Dynamic Channels
Feb 2010
Dynamic Spectrum Leasing (DSL) was recently proposed as a new way to achieve Dynamic Spectrum Sharing (DSS). Unlike previously considered Dynamic Spectrum Access (DSA) proposals, DSL allows for...
Provided by University of New Mexico
-
White Papers
Dynamic Spectrum Leasing in Cognitive Radio Networks Via Primary-Secondary User Power Control Games
Jun 2009
Hierarchical Dynamic Spectrum Access (DSA) has received the most attention in recent years as the solution for better spectrum utilization. In this paper, on the other hand, the authors develop a...
Provided by Institute of Electrical and Electronics Engineers
-
Whitepapers
Lagrange Multiplier Optimization for Optimal Spectrum Balancing of DSL With Logarithmic Complexity
Apr 2011
Lagrange Dual Optimization (LDO) technique is a powerful tool for solving constrained optimization problems in and is generally considered to be optimal in the literature. LDO relaxes a...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Greener Copper With Dynamic Spectrum Management
Oct 2008
Power-saving benefits of Dynamic Spectrum Management (DSM) result from its increased robustness to channel and noise changes, as in this paper. A proposed intermittent noise model enables...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
DSM From Theory to Practice
Oct 2008
DSM is an exciting new technology with the potential to significantly improve data-rates, service stability and power consumption in DSL. Developing DSM from a theoretical technique into a...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Blind Crosstalk Channel Identification in DMTBased DSL Systems
Oct 2008
This paper describes a blind crosstalk channel identification method and its application to Discrete MultiTone (DMT)-based Digital Subscriber Line (DSL) systems. Cyclostationarity inherited in...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Enhancement of the Iterative Spectrum Balancing Algorithm for Power Allocation in DSL Systems
Oct 2008
The optimization of power allocation in DSL systems is a well studied non-convex problem. In recent years many algorithms have been proposed to solve this problem, but due to the non-convexity,...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
DSL Crosstalk Coefficient Acquisition Using SNR Feedback
Oct 2008
Rapid acquisition of accurate crosstalk estimates is a core requirement for effective precoding in Digital Subscriber Line (DSL) systems. It is shown that Signal-to-Noise Ratio (SNR) reports...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Multipath Transmission for Wireless Internet Access - From an End-to-End Transport Layer Perspective
Dec 2011
With the growing demand of Internet services, network operators have put significant efforts to improve network error resilience and efficiency. Since there exist different wired/wireless...
Provided by University of Waterloo
-
Whitepapers
A Simulation and Analysis of OFDM System for 4G Communications
May 2012
The goal for the next generation of mobile communications system is to seamlessly integrate a wide variety of communication services such as high speed data, video and multimedia traffic as well...
Provided by International Journal of Advanced Research in Computer Engineering & Technology
-
Whitepapers
Versions of 802.16
Oct 2011
Worldwide Interoperability for Microwave Access (WIMAX) which is currently employed in some parts of the world is the new era of communication. It is approved by IEEE 802.16 group and is the...
Provided by International Journal of Computer Technology and Applications
-
Whitepapers
Online Identification of Applications Using Statistical Behavior Analysis
Oct 2008
The problem of identifying applications online and directly from traffic flows recently has been a subject of great interest. Traditional techniques relying on port numbers or payload signatures...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Modified Clipping and Filtering Technique for Peak-to-Average Power Ratio Reduction of OFDM Signals Used in WLAN
Nov 2010
Orthogonal Frequency Division Multiplexing (OFDM) is a popular modulation technique used in many new and emerging broadband technologies either wired like ADSL (Asymmetric Digital Subscriber Line)...
Provided by International Journal of Engineering Science and Technology (IJEST)
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Whitepapers
A Fast Channel Estimation Method for Disorderly Leaving Events in Vectored DSL Systems
Apr 2011
In vectored DSL systems, a Disorderly Leaving Event (DLE) occurs when one user suddenly unplugs or turns off the CPE. The impedance on the CPE side is suddenly changed and it thereby changes the...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Open Vs. Closed Access Femtocells in the Uplink
Feb 2010
Femtocells are assuming an increasingly important role in the coverage and capacity of cellular networks. In contrast to existing cellular systems, femtocells are end-user deployed and controlled,...
Provided by University of Texas
-
Whitepapers
A DSL for PIM Specifications: Design and Attribute Grammar Based Implementation
Jun 2011
IISCase is a model driven software tool that provides information system modeling and prototype generation. It comprises visual and repository based tools for creating various Platform Independent...
Provided by University of Novi Sad
-
Whitepapers
Ontology Driven Development of Domain-Specific Languages
Jun 2011
Domain-Specific Languages (DSLs) are computer (programming, modeling, specification) languages devoted to solving problems in a specific domain. The development of a DSL includes the following...
Provided by University of Maribor
-
Whitepapers
Adaptive Threshold for Intra Frame Prediction in H.263 to H.264 Smart-Transcoder
Apr 2008
The proposed paper concerns the reduction of computational complexity on the estimation of prediction modes in Intra frame from H.263 to H.264 streams transcoding process. Aim of this paper is to...
Provided by Universita Politecnica delle Marche
-
Whitepapers
Dynamic Spectrum Management (DSM) Algorithms for Multi-User xDSL
Oct 2010
Dynamic Spectrum Management (DSM) is an effective method for reducing the effect of crosstalk in Digital Subscriber Line (DSL) systems. This paper discusses various DSM algorithms, including...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Transmitter Precoding for Insufficient-Cyclic-Prefix Distortion in Multicarrier Systems
Apr 2008
Multicarrier modulation partitions an inter-symbol interference channel into multiple narrowband channels if the length of the cyclic prefix is longer than the channel impulse response. Otherwise,...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
Dual Transform Domain Echo Canceller for Discrete Multitone Systems
Apr 2010
In communication systems where full-duplex transmission is required, digital echo cancellers are employed to cancel echo by means of adaptive filtering. In order to reduce the computational...
Provided by Institute of Electrical & Electronic Engineers
-
White Papers
A Green Handover Protocol in Two-Tier OFDMA Macrocell - Femtocell Networks
Apr 2012
Femtocells are a promising technology to improve network performance with the short-range, low-power, and cost-beneficial small base stations. A femtocell is a low-power wireless access point that...
Provided by Reed Elsevier
-
White Papers
Digital Complexity in DSL: An Extrapolated Historical Overview
Jul 2011
Digital Subscriber Line (DSL) technology for copper twisted pair access networks has been evolving to meet the ever growing demand for higher data rates. This evolution has gone hand in hand with...
Provided by IARIA
-
White Papers
Mixed-Level Embedding and JIT Compilation for an Iteratively Staged DSL
Jan 2011
This paper explores how to implement an iteratively staged Domain-Specific Language (DSL) by embedding into a functional language. The domain is modelling and simulation of physical systems where...
Provided by Springer Science+Business Media
-
White Papers
Modeling and Analyzing Ubiquitous Systems Using MDE Approach
Jul 2011
The growth of industrial activities during the last decades and the diversity of industrial products require standards and common methodologies for building and integrating different parts. It is...
Provided by IARIA
-
White Papers
Developing DSLs Using Combinators. A Design Pattern
Oct 2009
The development of Domain-Specific Languages (DSLs) is considered by many authors as a hard task. To simplify the design of DSLs the authors describe a design pattern based on the combinators...
Provided by Institute of Electrical and Electronics Engineers
-
Podcasts
Domain-Specific Languages With Martin Fowler and Rebecca Parsons
Jan 2012
In this podcast, the speakers discuss about Domain-Specific Languages (DSLs). Topics covered include a definition of DSL, Internal vs. External DSLs, reasons to use DSLs and reasons not to, the...
Provided by Software Engineering Radio
-
White Papers
Multiple Access Scheme for Multi-Symbol Encapsulated Orthogonal Frequency Division Multiplexing
Nov 2011
A new multiple access scheme using Multi-Symbol Encapsulated Orthogonal Frequency Division Multiplexing (MSE-OFDM) is proposed. This is basically a Time Division Multiple Access (TDMA) technique...
Provided by Academy & Industry Research Collaboration Center
-
White Papers
J Is for JavaScript: A Direct-Style Correspondence Between Algol-Like Languages and JavaScript Using Rst-Class Continuations
Mar 2009
It is a time-honored fashion to implement a Domain-Specific Language (DSL) by translation to a general-purpose language. Such an implementation is more portable, but an unidiomatic translation...
Provided by Aarhus University
-
White Papers
Embedded Probabilistic Programming
Mar 2009
Two general techniques for implementing a Domain-Specific Language (DSL) with less overhead are the finally-tagless embedding of object programs and the direct-style representation of side...
Provided by Rutgers University
-
White Papers
Low-Power and High Speed 128-Point Pipline FFT/IFFT Processor for OFDM Applications
Mar 2012
This paper represents low power and high speed 128-point pipelined Fast Fourier Transform (FFT) and its Inverse Fast Fourier Transform (IFFT) processor for OFDM. The Modified architecture also...
Provided by International Journal of Computer Science Issues
-
White Papers
Rupeas: Ruby Powered Event Analysis DSL
Apr 2010
Wireless Sensor Networks (WSNs) are unique embedded computer systems for distributed sensing of a dispersed phenomenon. As WSNs are deployed in remote locations for long-term unattended operation,...
Provided by ETH Zurich
-
White Papers
EMA: Data Driven Security
Apr 2012
In this paper, Enterprise Management Associates (EMA) explores the convergence of these factors in the rise of Data-Driven Security. The range of data sources for such an approach are explored,...
Provided by EMC Corporation
-
White Papers
Dynamic Spectrum Management for Energy-Efficient Transmission in DSL
Nov 2008
Dynamic Spectrum Management (DSM) is an important technique for mitigating crosstalk noise in multi-user Digital Subscriber Line (DSL) environments. Until now, most of the proposed algorithms for...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Declarative Processing of Semistructured Web Data
Apr 2011
In order to give application programs access to data stored in the web in semi-structured formats, in particular, in XML format, the authors propose a Domain-Specific Language (DSL) for...
Provided by Creative Commons
-
White Papers
Perspectives on Tracing End-Hosts: A Survey Summary
Feb 2010
There is an amazing paucity of data that is collected directly on users' personal computers. One key reason for this is the perception among researchers that users are unwilling to participate in...
Provided by Intel
-
White Papers
Quality in Use of Domain Specific Languages: A Case Study
Oct 2011
Domain Specific Languages (DSLs) are claimed to increment productivity, while reducing the required maintenance and programming expertise. In this paper, DSLs usability is a key factor for its...
Provided by Association for Computing Machinery
-
White Papers
Quality in Use of DSLs: Current Evaluation Methods
Jul 2011
Domain Specific Languages (DSLs) are claimed to contribute to increment productivity, while reducing the required maintenance and programming expertise. In this paper, the usability of these...
Provided by Universidade Nova de Lisboa
-
White Papers
MoScript: A DSL for Querying and Manipulating Model Repositories
Apr 2011
Megamodels has been proposed as a mechanism to describe large number of modelling and non-modelling artefacts (models, transformations, source code, binary files, etc.) and their complex...
Provided by INRIA
-
White Papers
Socio-Economic Improvement With the Usage of Wireless and Information Technologies
Jan 2012
WiMAX (World Wide Interoperability for Microwave Access) is the next generation wireless technology which delivers data, video, voice and multi-media at a very low cost .It is designed to enable...
Provided by Planetary Scientific Research Center
-
White Papers
Experiences With Domain-Specific Language Embedding in Scala
Jan 2009
Embedding Domain-Specific Languages (DSLs) in general-purpose programming languages offers a simpler path to implementation than developing standalone DSL processors. However, sacrifices must be...
Provided by Delft University of Technology
-
White Papers
When Frameworks Let You Down: Platform-Imposed Constraints on the Design and Evolution of Domain-Specific Languages
Oct 2008
Application frameworks encapsulate knowledge of a particular domain in a reusable library. However, based on a general-purpose language, these do not provide notational constructs for the...
Provided by Delft University of Technology
-
Whitepapers
Performance Evaluation of IEEE 802.16e (Mobile WiMAX) in OFDM Physical Layer
Mar 2012
WiMAX is introduced by the Institute of Electrical and Electronic Engineers (IEEE) which is standard designated 802.16d-2004 (used in fixed wireless applications) and 802.16e-2005 (mobile...
Provided by International Journal of Engineering Research and Applications (IJERA)
-
Whitepapers
Krylov Algorithms for FEXT Cancellation in Upstream MIMO VDSL
Dec 2009
In this paper, the authors show that Krylov subspace techniques are well suited for cancellation of Far End CROSSTalk (FEXT) in MIMO Digital Subscriber Lines (DSL). These methods are...
Provided by Indian Institute of Technology Delhi
-
Case Studies
Major Internet Provider Speeds Up DSL Service
Nov 2012
A large telecom company had amassed a portfolio of five contact center outsourcing vendors. Following a thorough review of performance, capability, and pricing, Telvista was selected to continue...
Provided by Telvista
-
Whitepapers
Maximizing DSL Performance in the Field with Dynamic Line Management
Jul 2009
Dynamic Line Management (DLM) is operational in many Digital Subscriber Line (DSL) networks worldwide covering various use cases such as network stabilization, open-pipe architecture, service...
Provided by Alcatel-Lucent
-
Webcasts
C 2012: Cassandra in Rackspace Cloud Monitoring
Aug 2012
In this webcast, the presenter going to explain about Rackspace Cloud Monitoring which is a highly-available API-driven monitoring system built to scale up to 1 million active checks. The product...
Provided by Oleksiy Kovyrin
-
Whitepapers
The Rate Maximization Problem in DSL with Mixed Spectrum and Signal Coordination
Sep 2011
Theoretical research has demonstrated that the gains in data rate achievable with spectrum coordination or signal coordination techniques are substantial for Digital Subscriber Line (DSL)...
Provided by EURASIP
-
Whitepapers
Proposed Number of Services to Coexist in the Cable Bundle With VDSL2 Service
Nov 2009
The authors propose a suitable number of different services to coexist in the same cable bundle with VDSL2 service (Very high bit-rate Digital Subscriber Line 2). The situation for quad cables and...
Provided by TELFOR
-
Podcasts
Railscasts #354: Squeel
May 2012
In this podcast, the speaker will explain about Squeel. Squeel provides a comprehensive DSL for writing SQL queries in Ruby. It is built upon Arel giving the user access to many of its powerful...
Provided by Oleksiy Kovyrin
-
Whitepapers
Peer-to-Peer Approach of Locating Servants
Feb 2012
At the same time, the current wave of distributed sharing services tends to involve resources available at the edge of the network and hence bases on the Peer-To-Peer (P2P) paradigm to achieve...
Provided by Creative Commons
-
Whitepapers
A General Joint Transceiver Design for Multiuser MIMO Channel Equalization
Jul 2010
Recently, the attentions to Multiple Input Multiple Output (MIMO) systems have increased significantly due to their increased performance. MIMO became a frequently used technique in both wireless...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Optimized Resource Allocation for Upstream Vectored DSL Systems With Zero-Forcing Generalized Decision Feedback Equalizer
Dec 2007
In modern Digital Subscriber Line (DSL) systems, twisted pairs are significantly shortened because of the deployment of Optical Network Units (ONU) or Remote Terminals (RT). The channel condition...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
WiMAX Integration in NGN Network, Architecture, Protocols and Services
Jul 2009
With growing demands for fast provision of new and complex services, imposed by life and business dynamic in general, service providers are forced to adopt open technologies and advanced business...
Provided by WSDOT
-
Whitepapers
Towards the Improvement of Diagnostic Metrics Fault Diagnosis for DSL-Based IPTV Networks Using the R�nyi Entropy
Nov 2012
IPTV networks blindly rely on the adequate operation and management of the underlying infrastructure that in numerous cases is threaten by unexpected anomalous events which consequently cause QoS...
Provided by University of Port Harcourt
-
Whitepapers
Joint Partial Crosstalk Cancellation and Modified Iterative Water-Filling for Upstream VDSL
May 2008
Far-End CrossTalk (FEXT) is the major limitation to achieve high data-rates in VDSL systems. Full Crosstalk Cancellation (FCC) techniques have been proposed to mitigate the effect of crosstalk....
Provided by NORTH ATLANTIC UNIVERSITY UNION
-
Whitepapers
Dynamic Spectrum Leasing (DSL): A New Paradigm for Spectrum Sharing in Cognitive Radio Networks
Feb 2010
Recently, proposed a Dynamic Spectrum Leasing (DSL) paradigm for dynamic spectrum access in cognitive radio networks. In this paper, the authors formalize this concept by developing a more general...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
On the Achievable Bit Rates of DSL Vectoring Techniques in the Presence of Alien Crosstalkers
Nov 2012
Different pre-coder and equalizer structures have been proposed in literature for vectored Digital Subscriber Lines (DSLs). In this paper, the authors assess the relative merit of advanced complex...
Provided by University of Iowa
-
Whitepapers
Expert System Based on Wavelets and DELT Measurements for VDSL Systems
Nov 2012
Dual-Ended Line Testing (DELT) is a common capability in most current modems and can be used for Digital Subscriber Line (DSL) qualification and monitoring purposes. In spite of that, this feature...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Investigation of Upstream Near-Far Problem in VDSL Systems via Complete Adaptive Iterative Water Filling Algorithm
Nov 2011
Crosstalk is the main degrading factor in Digital Subscriber Line (DSL) systems which are the result of electromagnetic coupling between two adjacent twisted pairs in a cable. Very-high bit-rate...
Provided by Scientific Research
-
Whitepapers
Global Electronic Dominance with Spatial Grasp
Nov 2012
A high-level control technology will be revealed that can dynamically establish overwhelming dominance over distributed networked systems with embedded electronic devices and any communications...
Provided by Scientific Research
-
Podcasts
Railscasts #234: Simple Form
Oct 2011
Forms made easy for Rails, it is tied to a simple DSL with no opinion on markup. In this podcast, the speaker going to explain about Simple Form which is a convenient way to generate forms with...
Provided by Oleksiy Kovyrin
-
Whitepapers
Design and Configuration of PCN Based Admission Control in Multimedia Aggregation Networks
Oct 2009
DSL aggregation networks are evolving to the standard platform for the delivery of multimedia services such as television and network based personal video recording. These multimedia services...
Provided by Ghent University
-
Whitepapers
A Clustering Approach to Autonomous Spectrum Balancing Using Multiple Reference Lines for DSL
Oct 2011
Crosstalk is the limiting factor of performance in Digital Subscriber Line systems. The use of Dynamic Spectrum Management (DSM) can reduce the effects of crosstalk. For DSM algorithms, there is...
Provided by Institute of Electrical and Electronics Engineers
-
Whitepapers
Coverage Optimization in DSL Networks by Low-Complexity Discrete Spectrum Balancing
Oct 2011
Spectrum balancing is an established optimization approach in multi-carrier Digital Subscriber Line (DSL) systems. It has previously been applied to very different performance objectives such as...
Provided by Institute of Electrical and Electronics Engineers
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Whitepapers
Stable Sleeping in DSL Broadband Access: Feasibility and Tradeoffs
Oct 2011
Energy efficient and stable operation of the DSL broadband access infrastructure has become an essential part of the emerging trend towards green communications. One promising means to obtain...
Provided by Institute of Electrical and Electronics Engineers
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Whitepapers
Ergodic Capacity of a DSL Binder Channel
Oct 2011
The goal of this paper is to investigate the capacity of a symmetric Digital Subscriber Line (DSL) channel under Gaussian interference and thermal noise. Previous efforts only considered various...
Provided by Institute of Electrical and Electronics Engineers
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Whitepapers
Energy-Efficient DSL Using Vectoring
Oct 2011
A multi-user signal coordination scheme known as Vectoring will play a crucial role in next generation Digital Subscriber Lines (DSL). Previous studies have demonstrated that vectoring increases...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
DSL-Lab: A Low-power Lightweight Platform to Experiment on Domestic Broadband Internet
Jul 2010
This paper presents the design and building of DSL-Lab, a platform to experiment on distributed computing over broadband domestic Internet. Experimental platforms such as PlanetLab and Grid'5000...
Provided by INRIA
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White Papers
DSL-Lab: a Platform to Experiment on Domestic Broadband Internet
Oct 2009
This paper presents the design and building of DSL-Lab, a platform for distributed computing and peer-to-peer experiments over the domestic broadband Internet. Experimental platforms such as...
Provided by INRIA
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White Papers
MontiCore: Modular Development of Textual Domain Specific Languages
May 2008
Reuse is a key technique for a more efficient development and ensures the quality of the results. In object technology explicit encapsulation, interfaces, and inheritance are well-known principles...
Provided by Technische Universitat Braunschweig
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White Papers
Analysis of the Issues of Effective Broadband Media Services Deployment in the Computer Communication
Jun 2010
Fast Internet access barely scratches the surface of the powers of broadband, DSL, and IP technology, which, combined in broadband media services, will connect people and businesses around the...
Provided by Pennsylvania State University
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White Papers
Power of Clouds In Your Pocket: An Efficient Approach for Cloud Mobile Hybrid Application Development
Apr 2010
The advancements in computing have resulted in a boom of cheap, ubiquitous, connected mobile devices as well as seemingly unlimited, utility style, pay as one go computing resources, commonly...
Provided by Institute of Electrical and Electronics Engineers
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Case Studies
How Cisco IT Provides Secure and Flexible Remote Access for Mobile Employees and Home Offices
Nov 2007
In August 2001 the Cisco Systems IT remote access group faced a crisis. Their primary high-speed remote access solution in the United States, based on DSL, was about to disappear. This crisis...
Provided by Cisco Systems
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White Papers
A Fixed-Point DSP Architecture for Software-Defined Radio
Jul 2008
Software-Defined Radios (SDR) performs signal processing in the digital domain, replacing hardware that previously performed such processing. The need exists to rapidly create new SDR applications...
Provided by University of Stellenbosch
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White Papers
Beyond Broadband - A Quiet Revolution
Apr 2008
The benefits of the Internet, both for businesses and the consumer are widely documented. When people talk about 'broadband', however, most are talking about Asymmetric DSL (ADSL), which is still...
Provided by Easynet Connect
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White Papers
A Dynamic Spectrum Leasing (DSL) Framework for Spectrum Sharing in Cognitive Radio Networks
Jan 2009
The authors propose Dynamic Spectrum Leasing (DSL) as a new paradigm for Dynamic Spectrum Sharing (DSS) in (cognitive) radio networks to improve spectrum utilization. In contrast to exiting...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
A Game-Theoretic Framework for Dynamic Spectrum Leasing (DSL) in Cognitive Radios
Dec 2009
In this paper, the authors develop a game-theoretic framework for dynamic spectrum leasing in a cognitive radio network. Dynamic Spectrum Leasing, or DSL for short, is a new paradigm for efficient...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Dynamic Spectrum Leasing (DSL) in Dynamic Channels
Feb 2010
Dynamic Spectrum Leasing (DSL) was recently proposed as a new way to achieve Dynamic Spectrum Sharing (DSS). Unlike previously considered Dynamic Spectrum Access (DSA) proposals, DSL allows for...
Provided by University of New Mexico
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White Papers
Dynamic Spectrum Leasing in Cognitive Radio Networks Via Primary-Secondary User Power Control Games
Jun 2009
Hierarchical Dynamic Spectrum Access (DSA) has received the most attention in recent years as the solution for better spectrum utilization. In this paper, on the other hand, the authors develop a...
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Service Selection Gateway
Nov 2007
Service Selection Gateway (SSG) is a switching solution for service providers who offer intranet, extranet, and Internet connections to subscribers using broadband access technology such as...
Provided by Cisco Systems
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White Papers
Dynamic Spectrum Management for Upstream Mixtures of Vectored & Non-Vectored DSL
Jun 2010
As field trials and initial deployments of Vectored DSL systems materialize in the next few years, Vectored DSL systems will often co-exist with non-vectored DSL systems sharing the same cable....
Provided by Institute of Electrical and Electronics Engineers
