- Subscribe to this page:
- RSS
- Email Alert
dsl
(150 results)-
Whitepapers
Big Data: Trends, Strategies, and SAP Technology
Oct 2012
The intelligent economy has arrived. The convergence of intelligent devices, social networking, pervasive broadband communications, and analytics is redefining relationships among producers,...
Provided by SAP
-
Webcasts
MSDN Architecture Webcast: RUP Vs. MSF? UML Vs. DSLs? What's the Difference Anyway? (Level 200)
Nov 2005
This webcast compares the new modeling tools in Microsoft Visual Studio Team System and Microsoft Solutions Framework (MSF) for Agile Software Development with UML 2.0 and the Rational Unified...
Provided by Microsoft
-
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
Bonded ADSL2+: New Standards for Multi-Line Services
Jun 2004
Loop bonding technology provides the telecom industry with a revolutionary technique for combining multiple ADSL2+ connections together into a single, aggregated connection, even if they have...
Provided by Aware
-
Whitepapers
DSL for developing Countries
Sep 2004
DSL is a mass market business opportunities at a global level which has significantly contributed to the operating profits of operators. This article examines the potential of the DSL business in...
Provided by Alcatel
-
White Papers
The Case for Corporate Wireless Access
Aug 2009
This paper details the benefits of delivering business and corporate wireless network services in the 3.5 GHz and apparatus licensed spectrum, and the advantages over traditional wireline services...
Provided by Unwired Business
-
Webcasts
Global DSL IP VPNs - Challenges and Solutions
Jan 2009
The attendee of this webcast learns how to make secure global DSL based IP VPNs an integral and successful component of one's wide area network. DSL-based IP VPNs provide secure, lower-cost...
Provided by Virtela Communications
-
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
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
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
-
White Papers
A Common Meta-Model for Data Analysis Based on DSM
Aug 2008
Problems are often created by advanced support systems because they are not only highly expensive but also difficult to implement. In such a case, small and medium scale businesses are often...
Provided by University of Alabama at Birmingham
-
White Papers
Is Bonded ADSL Right for Your Business?
Nov 2009
Bonded ADSL is dismissed by many as being unsuitable for business. This is to ignore the greatest step change in connectivity available to business organisations in a generation. The large...
Provided by Link Connect Services
-
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
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
-
White Papers
Gigabit DSL
Sep 2007
This paper applies multiple-input multiple-output (MIMO) transmission methods to multi wire communication systems. Using channel matrices generated from a binder MIMO channel model, a performance...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Zhone VDSLl2 Technology
Nov 2009
Since the beginning of the 21st century, access technologies have rapidly evolved to meet consumer demands. Whereas ADSL (Asymmetric Digital Subscriber Line) evolved and flourished to connect them...
Provided by Zhone Technologies
-
White Papers
HSPA to LTE-ADVANECD: 3GPP Broadband Evolution to IMT-Advaned(4G)
Sep 2009
They are at the dawn of a new decade that will bring to mass market the mobile broadband innovations introduced over the last several years. 3G technologies has shown the them power and potential...
Provided by 3G Americas
-
White Papers
Freescale HSDPA Solutions
Jan 2008
High Speed Downlink Packet Access (HSDPA) is a Third Generation Partnership Project (3GPP) Release 5 standard that promises to make Wideband CDMA networks faster and smarter. Network operators...
Provided by Freescale Semiconductor
-
White Papers
Analysis of Dual Latency and Dynamic Rate Repartitioning Concepts in VDSL2 With Downstream Power Backoff
Dec 2008
The idea of delivering triple play services to users requires dynamic allocation of available bandwidth and the ITU G 993.2 defines the Dynamic Rate Repartitioning (DRR) feature in VDSL2 (Very...
Provided by DSP
-
White Papers
Multimedia Transmission Over Optic, DSL and PLC Systems
May 2009
This work presents an analysis based on an multimedia transmission generated on optical fiber backbone and two combined access technologies, PLC (Power Line Communications) and ADSL2+ (Asymmetric...
Provided by University of Patras
-
White Papers
A Domain Specific Language Based Method to Develop Cloud-Mobile Hybrid Applications
Mar 2010
Lately there have been interesting changes at both ends of the spectrum of computing power. On one end there has been a boom in mobile computing devices, fueled by fast growing communication...
Provided by Wright State University
-
White Papers
DSL (Internet Access)
May 2010
Internet access is available at a fixed monthly charge (Additional surfing tariffs apply to DSL basic and start) and can only be subscribed to in combination with a Swisscom service package. The...
Provided by Swisscom
-
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
-
White Papers
An Event View Model and DSL for Engineering an Event-Based SOA Monitoring Infrastructure
Jul 2010
An event-based solution that uses events to convey information to a monitoring tool is well suited to implementing a non-intrusive monitoring infrastructure. This enables an SOA system's...
Provided by Association for Computing Machinery
-
White Papers
SEPL- A Domain-Specific Language and Execution Environment for Protocols of Stateful Web Services
Mar 2011
In order to interact with stateful Web services, clients need to obtain information about the intra-service protocol, which contains valid operation sequences and the expected input-output...
Provided by Springer Science+Business Media
-
White Papers
WiMAX (Worldwide Interoperability for Microwave Access): A Broadband Wireless Product in Emerging Markets
May 2011
Wireless access networks like WiMAX provide an excellent opportunity for operators to participate in the rapid growth opportunities that exist in emerging markets. Emerging markets are hungry for...
Provided by Kumaun University
-
White Papers
Prototyping the Semantics of a DSL Using ASF+SDF: Link to Formal Verification of DSL Models
Jul 2011
A formal definition of the semantics of a Domain-Specific Language (DSL) is a key prerequisite for the verification of the correctness of models specified using such a DSL and of transformations...
Provided by Eindhoven University of Technology (TU/e)
-
White Papers
Neptune: A Domain Specific Language for Deploying HPC Software on Cloud Platforms
Feb 2011
In this paper, the authors present the design and implementation of Neptune, a Domain Specific Language (DSL) that automates configuration and deployment of existing HPC software via cloud...
Provided by UC Regents
-
Case Studies
How Cisco IT Implemented Cisco Virtual Office in India
Jul 2009
A home-office solution in India was welcomed. Like many other companies in the region with global presence, Cisco employees regularly need to collaborate across time zones and continents. Remote...
Provided by Cisco Systems
-
Whitepapers
Common Mode Characterization and Channel Model Verification for Shielded Twisted Pair (STP) Cable
Apr 2008
This paper investigates common-mode propagation in shielded twisted pair cables. The common mode exhibits great potential for improving the throughput in emerging wire-line systems. The design of...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Margin Optimization in Digital Subscriber Lines Employing Level-2 Dynamic Spectrum Management
Apr 2008
This paper investigates the optimization of margins in digital subscriber lines employing level-2 dynamic spectrum management, where lines are jointly optimized with an emphasis on their...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Optimal Precoding for Digital Subscriber Lines
Apr 2008
The authors determine the linear precoding policy that maximizes the mutual information for general Multiple-Input Multiple-Output (MIMO) Gaussian channels with arbitrary input distributions, by...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Semi-Blind Power Allocation for Digital Subscriber Lines
Apr 2008
Digital Subscriber Lines (DSL) are today one of the most important means for delivering high-speed data transmission. An emerging technique for dealing with one of the technology's most harmful...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Scalable QoS Device for Broadband Access to Multimedia Services
Apr 2009
Now-a-days, an increasing number of users get high-speed broadband access to the Internet. These broadband connections make new multimedia applications possible. However, such applications also...
Provided by Science and Development Network (SciDev.Net)
-
Whitepapers
Optimal Dynamic Spectrum Management for DSL Interference/Broadcast Channel
May 2012
In this paper, the authors consider optimal Dynamic Spectrum Management (DSM) for a DownStream (DS) DSL scenario in which users are divided into a few separate groups, where vector encoding based...
Provided by University of Iowa
-
Whitepapers
Jointly Optimizing the Virtual Noise Mask and the SNR Margin for Improved Service in XDSL Systems
May 2012
In Digital Subscriber Line (DSL) systems, the concept of Virtual Noise was introduced to improve the protection against fluctuating crosstalk and to increase link stability. This paper...
Provided by Technische Universitat Clausthal
-
Whitepapers
Alien Crosstalk Mitigation in Vectored DSL Systems for Backhaul Applications
May 2012
The performance of Digital Subscriber Line (DSL) systems, such as ADSL and VDSL is limited by crosstalk. Suppression of in-domain far-end self crosstalk using vectoring technology enables very...
Provided by University of Teramo
-
Whitepapers
A Novel Class of Iterative Approximation Methods for DSL Spectrum Optimization
May 2012
Spectrum optimization is a promising means to tackle the crosstalk problem in DSL systems, and corresponds to a challenging non-convex optimization problem. Iterative Convex Approximation (ICA)...
Provided by Universite Bordeaux 1
-
Whitepapers
Impulse Noise Detection Techniques for Retransmission to Reduce Delay in DSL Systems
May 2012
To protect Digital Subscriber Loop (DSL) systems against Impulse Noise (IN), interleaving combined with Reed-Solomon (RS) coding has been used. Nevertheless, interleaving introduces a long delay....
Provided by McGill University
-
Whitepapers
Efficient Erasure Marking Technique for Interleaving Delay Reduction in DSL Systems Impaired by Impulse Noise
May 2012
Reed-Solomon (RS) coding and interleaving are usually combined to protect Digital Subscriber Line (DSL) systems against Impulse Noise (IN) but introducing a long delay. It is proved that...
Provided by McGill University
-
Whitepapers
SCALE: A Low-Complexity Distributed Protocol for Spectrum Balancing in Multiuser DSL Networks
Sep 2009
Dynamic spectrum management of Digital Subscriber Lines (DSLs) has the potential to dramatically increase the capacity of the aging last-mile copper access network. This paper takes an important...
Provided by Institute of Electrical & Electronic 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
-
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
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
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
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
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
-
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
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
-
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
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
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
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
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
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
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
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
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
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
-
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
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
-
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
-
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
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
-
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
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
-
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
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
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
Efficient Erasure Marking Technique for Interleaving Delay Reduction in DSL Systems Impaired by Impulse Noise
May 2012
Reed-Solomon (RS) coding and interleaving are usually combined to protect Digital Subscriber Line (DSL) systems against Impulse Noise (IN) but introducing a long delay. It is proved that...
Provided by McGill University
-
Whitepapers
Impulse Noise Detection Techniques for Retransmission to Reduce Delay in DSL Systems
May 2012
To protect Digital Subscriber Loop (DSL) systems against Impulse Noise (IN), interleaving combined with Reed-Solomon (RS) coding has been used. Nevertheless, interleaving introduces a long delay....
Provided by McGill University
-
Whitepapers
A Novel Class of Iterative Approximation Methods for DSL Spectrum Optimization
May 2012
Spectrum optimization is a promising means to tackle the crosstalk problem in DSL systems, and corresponds to a challenging non-convex optimization problem. Iterative Convex Approximation (ICA)...
Provided by Universite Bordeaux 1
-
Whitepapers
Alien Crosstalk Mitigation in Vectored DSL Systems for Backhaul Applications
May 2012
The performance of Digital Subscriber Line (DSL) systems, such as ADSL and VDSL is limited by crosstalk. Suppression of in-domain far-end self crosstalk using vectoring technology enables very...
Provided by University of Teramo
-
Whitepapers
Jointly Optimizing the Virtual Noise Mask and the SNR Margin for Improved Service in XDSL Systems
May 2012
In Digital Subscriber Line (DSL) systems, the concept of Virtual Noise was introduced to improve the protection against fluctuating crosstalk and to increase link stability. This paper...
Provided by Technische Universitat Clausthal
-
Whitepapers
Optimal Dynamic Spectrum Management for DSL Interference/Broadcast Channel
May 2012
In this paper, the authors consider optimal Dynamic Spectrum Management (DSM) for a DownStream (DS) DSL scenario in which users are divided into a few separate groups, where vector encoding based...
Provided by University of Iowa
-
Whitepapers
Big Data: Trends, Strategies, and SAP Technology
Oct 2012
The intelligent economy has arrived. The convergence of intelligent devices, social networking, pervasive broadband communications, and analytics is redefining relationships among producers,...
Provided by SAP
-
Whitepapers
A Scalable QoS Device for Broadband Access to Multimedia Services
Apr 2009
Now-a-days, an increasing number of users get high-speed broadband access to the Internet. These broadband connections make new multimedia applications possible. However, such applications also...
Provided by Science and Development Network (SciDev.Net)
-
Whitepapers
Semi-Blind Power Allocation for Digital Subscriber Lines
Apr 2008
Digital Subscriber Lines (DSL) are today one of the most important means for delivering high-speed data transmission. An emerging technique for dealing with one of the technology's most harmful...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Optimal Precoding for Digital Subscriber Lines
Apr 2008
The authors determine the linear precoding policy that maximizes the mutual information for general Multiple-Input Multiple-Output (MIMO) Gaussian channels with arbitrary input distributions, by...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Margin Optimization in Digital Subscriber Lines Employing Level-2 Dynamic Spectrum Management
Apr 2008
This paper investigates the optimization of margins in digital subscriber lines employing level-2 dynamic spectrum management, where lines are jointly optimized with an emphasis on their...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
DSL for developing Countries
Sep 2004
DSL is a mass market business opportunities at a global level which has significantly contributed to the operating profits of operators. This article examines the potential of the DSL business in...
Provided by Alcatel
-
White Papers
The Case for Corporate Wireless Access
Aug 2009
This paper details the benefits of delivering business and corporate wireless network services in the 3.5 GHz and apparatus licensed spectrum, and the advantages over traditional wireline services...
Provided by Unwired Business
-
Webcasts
Global DSL IP VPNs - Challenges and Solutions
Jan 2009
The attendee of this webcast learns how to make secure global DSL based IP VPNs an integral and successful component of one's wide area network. DSL-based IP VPNs provide secure, lower-cost...
Provided by Virtela Communications
-
White Papers
Bonded ADSL2+: New Standards for Multi-Line Services
Jun 2004
Loop bonding technology provides the telecom industry with a revolutionary technique for combining multiple ADSL2+ connections together into a single, aggregated connection, even if they have...
Provided by Aware
-
Webcasts
MSDN Architecture Webcast: RUP Vs. MSF? UML Vs. DSLs? What's the Difference Anyway? (Level 200)
Nov 2005
This webcast compares the new modeling tools in Microsoft Visual Studio Team System and Microsoft Solutions Framework (MSF) for Agile Software Development with UML 2.0 and the Rational Unified...
Provided by Microsoft
-
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
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
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
-
White Papers
A Common Meta-Model for Data Analysis Based on DSM
Aug 2008
Problems are often created by advanced support systems because they are not only highly expensive but also difficult to implement. In such a case, small and medium scale businesses are often...
Provided by University of Alabama at Birmingham
-
White Papers
Is Bonded ADSL Right for Your Business?
Nov 2009
Bonded ADSL is dismissed by many as being unsuitable for business. This is to ignore the greatest step change in connectivity available to business organisations in a generation. The large...
Provided by Link Connect Services
-
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
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
-
White Papers
Gigabit DSL
Sep 2007
This paper applies multiple-input multiple-output (MIMO) transmission methods to multi wire communication systems. Using channel matrices generated from a binder MIMO channel model, a performance...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Zhone VDSLl2 Technology
Nov 2009
Since the beginning of the 21st century, access technologies have rapidly evolved to meet consumer demands. Whereas ADSL (Asymmetric Digital Subscriber Line) evolved and flourished to connect them...
Provided by Zhone Technologies
-
White Papers
HSPA to LTE-ADVANECD: 3GPP Broadband Evolution to IMT-Advaned(4G)
Sep 2009
They are at the dawn of a new decade that will bring to mass market the mobile broadband innovations introduced over the last several years. 3G technologies has shown the them power and potential...
Provided by 3G Americas
-
White Papers
Freescale HSDPA Solutions
Jan 2008
High Speed Downlink Packet Access (HSDPA) is a Third Generation Partnership Project (3GPP) Release 5 standard that promises to make Wideband CDMA networks faster and smarter. Network operators...
Provided by Freescale Semiconductor
-
White Papers
Analysis of Dual Latency and Dynamic Rate Repartitioning Concepts in VDSL2 With Downstream Power Backoff
Dec 2008
The idea of delivering triple play services to users requires dynamic allocation of available bandwidth and the ITU G 993.2 defines the Dynamic Rate Repartitioning (DRR) feature in VDSL2 (Very...
Provided by DSP
-
White Papers
Multimedia Transmission Over Optic, DSL and PLC Systems
May 2009
This work presents an analysis based on an multimedia transmission generated on optical fiber backbone and two combined access technologies, PLC (Power Line Communications) and ADSL2+ (Asymmetric...
Provided by University of Patras
-
White Papers
A Domain Specific Language Based Method to Develop Cloud-Mobile Hybrid Applications
Mar 2010
Lately there have been interesting changes at both ends of the spectrum of computing power. On one end there has been a boom in mobile computing devices, fueled by fast growing communication...
Provided by Wright State University
-
White Papers
DSL (Internet Access)
May 2010
Internet access is available at a fixed monthly charge (Additional surfing tariffs apply to DSL basic and start) and can only be subscribed to in combination with a Swisscom service package. The...
Provided by Swisscom
-
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
-
White Papers
An Event View Model and DSL for Engineering an Event-Based SOA Monitoring Infrastructure
Jul 2010
An event-based solution that uses events to convey information to a monitoring tool is well suited to implementing a non-intrusive monitoring infrastructure. This enables an SOA system's...
Provided by Association for Computing Machinery
-
White Papers
SEPL- A Domain-Specific Language and Execution Environment for Protocols of Stateful Web Services
Mar 2011
In order to interact with stateful Web services, clients need to obtain information about the intra-service protocol, which contains valid operation sequences and the expected input-output...
Provided by Springer Science+Business Media
-
White Papers
WiMAX (Worldwide Interoperability for Microwave Access): A Broadband Wireless Product in Emerging Markets
May 2011
Wireless access networks like WiMAX provide an excellent opportunity for operators to participate in the rapid growth opportunities that exist in emerging markets. Emerging markets are hungry for...
Provided by Kumaun University
-
White Papers
Prototyping the Semantics of a DSL Using ASF+SDF: Link to Formal Verification of DSL Models
Jul 2011
A formal definition of the semantics of a Domain-Specific Language (DSL) is a key prerequisite for the verification of the correctness of models specified using such a DSL and of transformations...
Provided by Eindhoven University of Technology (TU/e)
-
White Papers
Neptune: A Domain Specific Language for Deploying HPC Software on Cloud Platforms
Feb 2011
In this paper, the authors present the design and implementation of Neptune, a Domain Specific Language (DSL) that automates configuration and deployment of existing HPC software via cloud...
Provided by UC Regents
-
Case Studies
How Cisco IT Implemented Cisco Virtual Office in India
Jul 2009
A home-office solution in India was welcomed. Like many other companies in the region with global presence, Cisco employees regularly need to collaborate across time zones and continents. Remote...
Provided by Cisco Systems
-
Whitepapers
Common Mode Characterization and Channel Model Verification for Shielded Twisted Pair (STP) Cable
Apr 2008
This paper investigates common-mode propagation in shielded twisted pair cables. The common mode exhibits great potential for improving the throughput in emerging wire-line systems. The design of...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Margin Optimization in Digital Subscriber Lines Employing Level-2 Dynamic Spectrum Management
Apr 2008
This paper investigates the optimization of margins in digital subscriber lines employing level-2 dynamic spectrum management, where lines are jointly optimized with an emphasis on their...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Optimal Precoding for Digital Subscriber Lines
Apr 2008
The authors determine the linear precoding policy that maximizes the mutual information for general Multiple-Input Multiple-Output (MIMO) Gaussian channels with arbitrary input distributions, by...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
Semi-Blind Power Allocation for Digital Subscriber Lines
Apr 2008
Digital Subscriber Lines (DSL) are today one of the most important means for delivering high-speed data transmission. An emerging technique for dealing with one of the technology's most harmful...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
A Scalable QoS Device for Broadband Access to Multimedia Services
Apr 2009
Now-a-days, an increasing number of users get high-speed broadband access to the Internet. These broadband connections make new multimedia applications possible. However, such applications also...
Provided by Science and Development Network (SciDev.Net)
-
Whitepapers
Optimal Dynamic Spectrum Management for DSL Interference/Broadcast Channel
May 2012
In this paper, the authors consider optimal Dynamic Spectrum Management (DSM) for a DownStream (DS) DSL scenario in which users are divided into a few separate groups, where vector encoding based...
Provided by University of Iowa
-
Whitepapers
Jointly Optimizing the Virtual Noise Mask and the SNR Margin for Improved Service in XDSL Systems
May 2012
In Digital Subscriber Line (DSL) systems, the concept of Virtual Noise was introduced to improve the protection against fluctuating crosstalk and to increase link stability. This paper...
Provided by Technische Universitat Clausthal
-
Whitepapers
Alien Crosstalk Mitigation in Vectored DSL Systems for Backhaul Applications
May 2012
The performance of Digital Subscriber Line (DSL) systems, such as ADSL and VDSL is limited by crosstalk. Suppression of in-domain far-end self crosstalk using vectoring technology enables very...
Provided by University of Teramo
-
Whitepapers
A Novel Class of Iterative Approximation Methods for DSL Spectrum Optimization
May 2012
Spectrum optimization is a promising means to tackle the crosstalk problem in DSL systems, and corresponds to a challenging non-convex optimization problem. Iterative Convex Approximation (ICA)...
Provided by Universite Bordeaux 1
-
Whitepapers
Impulse Noise Detection Techniques for Retransmission to Reduce Delay in DSL Systems
May 2012
To protect Digital Subscriber Loop (DSL) systems against Impulse Noise (IN), interleaving combined with Reed-Solomon (RS) coding has been used. Nevertheless, interleaving introduces a long delay....
Provided by McGill University
-
Whitepapers
Efficient Erasure Marking Technique for Interleaving Delay Reduction in DSL Systems Impaired by Impulse Noise
May 2012
Reed-Solomon (RS) coding and interleaving are usually combined to protect Digital Subscriber Line (DSL) systems against Impulse Noise (IN) but introducing a long delay. It is proved that...
Provided by McGill University
-
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
