- Subscribe to this page:
- RSS
- Email Alert
scalability
(1744 results)-
White Papers
Failure-Resilient Vehicular Networks
Jan 2010
Vehicular Ad-Hoc NETwork (VANET) has been one of the most transforming technologies for Intelligent Transportation Systems (ITS) in recent years. In particular, wireless mesh network is widely...
Provided by Institute of Electrical and Electronics Engineers
-
Case Studies
Betfair Ensures IT Scalability and Performance to Support Explosive Growth of Online Betting Business
Nov 2007
Betfair wanted to implement a scalable, high-performance, secure technology platform to support a 24/7, real-time online betting exchange with unmatched periods of spike intensity, no delay...
Provided by Oracle
-
Case Studies
Betfair Ensures IT Scalability and Performance to Support Explosive Growth
Nov 2007
Betfair has staked its business on Oracle's real-time technology to meet the speed, performance, and scalability needs of one of the busiest and most time-sensitive applications on the internet....
Provided by Oracle
-
White Papers
Sinfonia: A New Paradigm for Building Scalable Distributed Systems
Oct 2007
This paper proposes a new paradigm for building scalable distributed systems. One's approach does not require dealing with message-passing protocols - a major complication in existing distributed...
Provided by Association for Computing Machinery
-
White Papers
Cross Layer Dynamic Resource Allocation With Targeted Throughput for WCDMA Data
Oct 2008
The authors consider resource allocation for elastic wireless applications that measure utility by target connection average throughput and achieved throughput. They construct a framework for...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
On Exploiting the Interference Structure for Reliable Communications
Feb 2010
Consider an additive Gaussian noise channel affected by an additive interference sequence, taken from a given codebook, which is known non-causally at the transmitter (e.g., via prior decoding)....
Provided by Polytechnic Institute of NYU
-
White Papers
Achievable Rates for Multicell Systems With Femtocells and Network MIMO
Dec 2009
The uplink of a cellular system where macrocells are overlaid with femtocells is studied. Each femtocell is served by a Home Base Station (HBS) that is connected to the macrocell Base Station (BS)...
Provided by Polytechnic Institute of NYU
-
White Papers
On the Throughput Region of Single and Two-Way Multi-Hop Fading Networks With Relay Piggybacking
Apr 2009
One and two-way communication strategies are studied in a two-hop model in which the intermediate node (relay) piggybacks data packets intended for the end-users. Assuming quasi-static fading...
Provided by New Jersey Institute of Technology
-
White Papers
Multirelay Channel With Non-Ergodic Link Failures
Apr 2009
A multi-relay network is considered in which communication from source to relays takes place over a (discrete or Gaussian) broadcast channel, while the relays are connected to the receiver via...
Provided by Princeton University
-
White Papers
Joint Multi-Cell Processing for Downlink Channels With Limited-Capacity Backhaul
Dec 2007
Multicell processing in the form of joint encoding for the downlink of a cellular system is studied under the realistic assumption that the Base Stations (BSs) are connected to a central unit via...
Provided by New Jersey Institute of Technology
-
White Papers
Location-Centric Storage and Query in Wireless Sensor Networks
May 2009
In this paper, the authors analyze the performance of LCS in terms of storage and query overheads. This paper indicates that LCS utilizes network resource efficiently and achieves good...
Provided by Springer Science+Business Media
-
White Papers
LKE: A Self-Configuring Scheme for Location-Aware Key Establishment in Wireless Sensor Networks
Oct 2008
Symmetric key agreement is significant to security provisioning in sensor networks with resource limitations. A number of pairwise key pre-distribution protocols have been proposed, but their...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
iPAK: An in Situ Pairwise Key Bootstrapping Scheme for Wireless Sensor Networks
Aug 2007
Wireless Sensor Networks (WSNs) are characterized by resource constraints and large scalability. Many applications of WSNs require secure communication, a crucial component especially in hostile...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Equalization of Multiuser MIMO High Speed Downlink Packet Access
Jul 2008
The authors present a model for multiuser Multi-Input Multi-Output (MIMO) High Speed Downlink Packet Access (HSDPA) with covariance based linear precoders. The linear procoders, which are designed...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Iterative (Turbo) Joint Channel Estimation and Signal Detection for Quadrature OFDMA Systems
Jul 2008
Quadrature OFDMA (Q-OFDMA) systems have been recently proposed to reduce the complexity and Peak-to-Average Power Ratio (PAPR), and improve Carrier Frequency Offset (CFO) robustness for OFDMA...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A New Class of Wireless Push Systems
Oct 2009
Data broadcasting is an efficient way of delivering information over asymmetric wireless environments, and push systems can provide high scalability and client hardware simplicity. Many...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Supporting Quality-of-Service Scheduling in a TT-FR WDM System
Jan 2009
In this paper, the authors' recent work Interval-based Orderly Scheduling Strategy (IOSS) is extended by adding Quality-of-Service (QoS) provisioning. A revised Medium Access Control (MAC)...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Scalability Analysis of NEMO Prefix Delegation-Based Schemes
Sep 2010
A number of prefix delegation-based schemes have been proposed to solve the route optimization problem in NEMO, where a group of hosts move together as a mobile network. The schemes trade off...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Scalability in Analyzing the Availability of Large-Scale Networks Using Multicast
Sep 2008
The goal of this paper is to identify and discuss scalability issues for the measurement-based analysis of the availability in large-scale networks using IP multicast technology. Additionally, a...
Provided by University of Erlangen-Nuremberg
-
White Papers
A Study of Self-Organization Mechanisms in Ad Hoc and Sensor Networks
Sep 2008
Self-organization is a great concept for building scalable systems consisting of a huge number of subsystems. The primary objectives are improved scalability and dynamic adaptation to changing...
Provided by University of Erlangen-Nuremberg
-
White Papers
A Cluster-Based Dynamic Load Balancing Middleware Protocol for Grids
Dec 2010
The load distribution in a grid may vary leading to the bottlenecks and overloaded sites. The authors describe a hierarchical dynamic load balancing protocol for Grids. The Grid consists of...
Provided by Indiana University
-
White Papers
The MAC Unreliability Problem in IEEE 802.15.4 Wireless Sensor Networks
Oct 2009
In recent years, the number of sensor network deployments for real-life applications has rapidly increased and it is expected to expand even more in the near future. Actually, for a credible...
Provided by Association for Computing Machinery
-
White Papers
Novel Exact Low Complexity MMSE Turbo Equalization
Jul 2008
In this paper the authors analyze low complexity turbo equalization that combines interference canceling and Soft-Input Soft-Output (SISO) decoding. They derive a new, exact MMSE solution for the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Construction of Connected Dominating Sets in Large-Scale MANETs Exploiting Self-Stabilization
May 2011
Available algorithms for the distributed construction of connected dominating sets in mobile ad hoc networks are inapplicable or suffer from a high complexity. This is mainly due to the...
Provided by Hamburg University of Technology
-
White Papers
SCORES: A Scalable and Parametric Streams-Based Communication Architecture for Modular Reconfigurable Systems
Jan 2009
Parallel architectures have become an increasingly popular method in which to achieve high performance with low power consumption. In order to leverage these benefits, applications are decomposed...
Provided by University of Florida
-
White Papers
Ultra-Wideband Cognitive Interrogator Network for Indoor Location Tracking - Part I: System Architecture and Network Performance Analysis
Jul 2008
The authors explore the potential application of Cognitive Interrogator Network (CIN) in remote monitoring of mobile subjects in domestic environments, where the Ultra-WideBand Radio Frequency...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A New Peer-to-Peer-Based Interoperable Spatial Sensor Web Architecture
Jun 2008
With the rapid advances in sensor network, and information and communication technologies, the vision of a World-Wide Sensor Web (WSW) is becoming a reality. However, there is a lack of a spatial...
Provided by University of Calgary
-
White Papers
Rendered Path: Range-Free Localization in Anisotropic Sensor Networks With Holes
May 2010
Sensor positioning is a crucial part of many location-dependent applications that utilize Wireless Sensor Networks (WSNs). Current localization approaches can be divided into two groups:...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Efficient Distributed Clustering-Based Anomaly Detection Algorithm for Sensor Stream in Clustered Wireless Sensor Networks
Jun 2011
Wireless Sensor Networks (WSNs) are being deployed to collect information about the physical environment for a wide range of monitoring applications. Due to the inexpensive hardware used and...
Provided by EuroJournals
-
White Papers
Bayesian Inference in Linear Models With a Random Gaussian Matrix : Algorithms and Complexity
Jul 2008
The authors consider the Bayesian inference of a random Gaussian vector in a linear model with a random Gaussian matrix. They review two approaches to finding the MAP estimator for this model....
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Performance Comparison of ARQ Schemes for Network Coding in Ad Hoc Networks
Jul 2008
One of the solutions to mitigate degradation due to traffic concentration on certain nodes is network coding in ad hoc networks. When network coding is applied to unicast traffic, it is necessary...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Effect of Measurement Bandwidth to the Accuracy of Inter-Frequency RSRP Measurements in LTE
Jul 2008
In this paper, the authors have analyzed potential performance benefits that wider Reference Signal Received Power (RSRP) measurement bandwidth could provide in inter-frequency handover evaluation...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
EBBS: Energy-Efficient BOP-Based Beacon Transmission Scheduling for WSNs
Jul 2008
This paper describes an Energy-efficient BOP-based Beacon transmission Scheduling (EBBS) algorithm. EBBS is the centralized approach, in which a resource-sufficient node called as Topology...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Performance Analysis of Link-Layer Hybrid ARQ With Finite Buffer Size
Jul 2008
This paper presents a performance evaluation of a hybrid FEC/SR-ARQ (HARQ) analytical model. This model maps the impact of finite Link Layer (LL) buffer size, retransmissions and code rate on HARQ...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Design Challenges of Open Spectrum Access
Jul 2008
The use of licensed spectrum for wireless communication is driven by the need to control interference between different operators. However, with this mode of regulation, spectrum utilization is...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Naming in Content-Oriented Architectures
Aug 2011
There have been several recent proposals for content-oriented network architectures whose underlying mechanisms are surprisingly similar in spirit, but which differ in many details. In this paper,...
Provided by Association for Computing Machinery
-
White Papers
ACT: Audio Conference Tool Over Named Data Networking
Aug 2011
In this paper, the authors present the design of an audio conference tool, which is one of the efforts to explore application designs on top of named data networking. Instead of relying on...
Provided by Association for Computing Machinery
-
White Papers
Adaptive Stack-Based Iterative Precoding for the Multiuser MIMO Downlink
Jul 2008
The Stack-Based Iterative Precoding (SBIP) is an efficient algorithm that achieves a tradeoff between Bit Error Rate (BER) performance and computational complexity in multi-user MIMO downlink...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Energy Distribution Control in Wireless Sensor Networks Through Range Optimization
Jul 2008
A major objective in wireless sensor networks is to find optimum routing strategies for energy efficient use of nodes. Routing decision and transmission power selection are intrinsically connected...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Datacentre transformation: An application-fluent approach
Sep 2011
The datacentre infrastructure is undergoing a rapid transformation to drive down costs and improve the end user experience in the face of rapidly evolving technology trends. This is causing...
Provided by Alcatel-Lucent
-
White Papers
On the Construction of Efficient Data Gathering Tree in Wireless Sensor Networks
Jan 2011
A wireless sensor network can be an effective tool for gathering data in a variety of environments. The data gathering process must be designed to conserve the limited resources of the sensors. In...
Provided by University of Tokyo
-
White Papers
Measurement-Based Peer-to-Peer Grouping for Networked Virtual Environment
Jan 2011
Networked games are newly emerging and increasing applications in the Internet community. Multiplayer Online Game (MOG) is one of such applications that can accommodate many users simultaneously....
Provided by Tokyo Denki University
-
White Papers
Aggregation Convergecast Scheduling in Wireless Sensor Networks
Jan 2011
The authors consider the problem of aggregation convergecast scheduling in wireless sensor networks. Aggregation convergecast differs from regular convergecast in that it accommodates transmission...
Provided by University of Alberta
-
White Papers
Emulating Multi-Hop Wireless Networks Over a Planetary Scale Testbed
Apr 2010
The most commonly used technique to evaluate novel solutions is to leverage on simulation studies which are largely based on a simplified model of the system behavior. Such an approach provides an...
Provided by University of Trento
-
White Papers
A Comprehensive Analysis of the MAC Unreliability Problem in IEEE 802.15.4 Wireless Sensor Networks
Oct 2010
Wireless Sensor Networks (WSNs) represent a very promising solution in the field of wireless technologies for industrial applications. However, for a credible deployment of WSNs in an industrial...
Provided by University of Pisa
-
White Papers
MeshMAC: Enabling Mesh Networking Over IEEE 802.15.4 Through Distributed Beacon Scheduling
Nov 2009
Although IEEE 802.15.4 is being considered as a promising standard for low-cost low-power Wireless Sensor Networks (WSNs), several issues in the specification are still open. One of those open...
Provided by Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering
-
White Papers
Design and Implementation of a Policy-Based Management System for Data Reliability in Wireless Sensor Networks
Aug 2008
In this paper, the authors describe the design and the implementation of a management system called SRM for controlling data reliability in Wireless Sensor Networks. SRM is based on a hierarchical...
Provided by University of New South Wales
-
White Papers
Cross-Layer Interactions in Energy Efficient Information Collection in Wireless Sensor Networks With Adaptive Compressive Sensing
Apr 2009
The authors consider the problem of using Wireless Sensor Networks (WSNs) to measure the temporal-spatial field of some scalar physical quantities. Their goal is to obtain a sufficiently accurate...
Provided by University of New South Wales
-
White Papers
Persistent Content-Based Information Dissemination in Hybrid Vehicular Networks
Jan 2009
Content-based information dissemination has a potential number of applications in vehicular networking, including advertising, traffic and parking notifications and emergency announcements. In...
Provided by University College London
-
White Papers
How to Construct a Correct and Scalable IBGP Configuration
Jan 2011
The Internet's current interdomain routing protocol, BGP (Border Gateway Protocol), has two modes of operation: eBGP (external BGP), used to exchange routing information between autonomous...
Provided by Massachusetts Institute of Technology
-
White Papers
Towards Performance Prediction for Cloud Computing Environments Based on Goal-Oriented Measurements
Feb 2011
Scalability and performance are critical quality attributes of applications developed for the cloud. Many of these applications have to support hundreds or thousands of concurrent users with...
Provided by SAP Research
-
White Papers
Time Synchronization for Predictable and Secure Data Collection in Wireless Sensor Networks
Jun 2007
Wireless sensor networks are trying to find their way from relatively undemanding applications such as environmental monitoring to applications such as industrial control, which have stronger...
Provided by Swedish Institute of Computer Science
-
White Papers
Efficient Sensor Network Reprogramming Through Compression of Executable Modules
Dec 2008
Software in deployed sensor networks needs to be updated to introduce new functionality or to fix bugs. Reducing dissemination time is important because the dissemination disturbs the regular...
Provided by Swedish Institute of Computer Science
-
White Papers
A Fault Resilient Routing Protocol for Mobile Ad-Hoc Networks
Sep 2007
In a Mobile Ad hoc NETwork (MANET), mobile devices cooperate to forward packets for each other without the assistance of dedicated routing infrastructures. Due to its networking flexibility and...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Employing the Flocking Behavior of Birds for Controlling Congestion in Autonomous Decentralized Networks
Mar 2009
Recently a great emphasis has been given on Autonomous Decentralized Networks (ADNs) wherein constituent nodes carry out specific tasks collectively. Their dynamic and constrained nature along...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Congestion Control in Autonomous Decentralized Networks Based on the Lotka-Volterra Competition Model
Jun 2009
Next generation communication networks are moving towards autonomous infrastructures that are capable of working unattended under dynamically changing conditions. The new network architecture...
Provided by University of Cyprus
-
White Papers
Poster Abstract: Storage-Centric Debugging of Performance Problems in Sensor Networks
Jan 2010
After almost ten years of research into sensor networks, deployments continue to fail. Such failures are due to the distributed nature of sensor networks and the complex interactions of protocols....
Provided by Swedish Institute of Computer Science
-
White Papers
Alternative Path Creation for Network Hole Minimization in Overloaded Wireless Sensor Networks
Jan 2010
Alternative path creation is a way to balance the traffic and increase lifetime in densely deployed Wireless Sensor Networks. In this paper, the authors investigate how an algorithm explicitly...
Provided by University of Cyprus
-
White Papers
A Proxy-Based Mobility Solution for Critical WSN Applications
Feb 2010
The potential of Wireless Sensor Networks (WSNs) for a wide range of scenarios has led to some experiments which explore their use in critical applications, such as soldier health monitoring, fire...
Provided by University of Coimbra
-
White Papers
The Impact of Temperature on Outdoor Industrial WSN Applications
May 2009
The industrial world is currently considering the adoption of Wireless Sensor Networks (WSNs) for industrial process and control applications. However, when using wireless sensor networks in such...
Provided by Swedish Institute of Computer Science
-
White Papers
Dynamic Topology Control for WSNs in Critical Environments
Dec 2010
Plant automation and control are mission-critical applications and require timely and reliable data delivery, which is difficult to provide using a wireless technology. This is especially more...
Provided by University of Cyprus
-
White Papers
Transition to High Speed Networks Superjanet Experience
Jan 2008
For the time being, trials to establish the Information Superhighway are booming. In Britain, JANET has provided wide-area computer communication, and has recently been upgraded to SuperJANET,...
Provided by Lancaster University
-
White Papers
Experiences From Two Sensor Network Deployments - Self-Configuration a Key to Success
Aug 2007
Various experiments have shown that the performance of wireless sensor networks is very hard to predict. It is also acknowledged that deploying sensor networks in real settings is a difficult and...
Provided by Swedish Institute of Computer Science
-
White Papers
Scaling Properties of Delay Tolerant Networks in Correlated Motion Patterns
Sep 2008
Mobile wireless networks with intermittent connectivity, often called Delay/Disruption Tolerant Networks (DTNs), have recently received a lot of attention because of their efficiency in various...
Provided by UC Regents
-
White Papers
Distributed Detection of Latency Shifts in Networks
Dec 2009
The authors present the extension of a distributed adaptive fault-detection algorithm applied in networked systems. In previous work, the authors developed an approach to probabilistic detection...
Provided by Swedish Institute of Computer Science
-
White Papers
Security-Capacity Trade-Off in Large Wireless Networks Using Keyless Secrecy
Aug 2010
This paper presented the first work studying the scalability of keyless secrecy in a generalized network setting when the eavesdropper locations are unknown. The authors described a novel...
Provided by University of Massachusetts
-
White Papers
Towards Distributed and Adaptive Detection and Localisation of Network Faults
Feb 2011
The authors present a statistical probing-approach to distributed fault-detection in networked systems, based on autonomous configuration of algorithm parameters. Statistical modelling is used for...
Provided by Swedish Institute of Computer Science
-
White Papers
Demo Abstract: Cooja TimeLine: A Power Visualizer for Sensor Network Simulation
Nov 2010
Power consumption is one of the most important factors in wireless sensor network research, but most simulators do not provide support for visualizing the power consumption of an entire sensor...
Provided by Association for Computing Machinery
-
White Papers
The Triangle Metric: Fast Link Quality Estimation for Mobile Wireless Sensor Networks
May 2010
Link quality estimation is a thorny problem in wireless sensor networks, because its accuracy affects the design and the efficiency of networking protocols and applications. Especially in the...
Provided by University of Canterbury
-
White Papers
LHP: An End-to-End Reliable Transport Protocol Over Wireless Data Networks
Jan 2011
The next generation wireless networks are posited to support large scale data applications. Implementing end-to-end TCP in such networks faces two problems. First, it is well known that TCP cannot...
Provided by Rutgers University
-
White Papers
Measured Impact of Crooked Traceroute
Jan 2011
Data collected using traceroute-based algorithms underpins research into the Internet's router-level topology, though it is possible to infer false links from this data. One source of false...
Provided by Association for Computing Machinery
-
White Papers
Poster Abstract: A Channel Quality Metric for Interference-Aware Wireless Sensor Networks
Apr 2011
Wireless sensor networks share the spectrum with other wire-less technologies. Hence, in order to minimize the effects of external interference they must carefully choose the channels for packet...
Provided by Association for Computing Machinery
-
White Papers
Cautious Weight Tuning for Link State Routing Protocols
Jan 2011
Link state routing protocols are widely used for intradomain routing in the Internet. These protocols are simple to administer and automatically update paths between sources and destinations when...
Provided by Swedish Institute of Computer Science
-
White Papers
Koala: Ultra-Low Power Data Retrieval InWireless Sensor Networks
Mar 2008
The authors present Koala, a reliable data retrieval system designed to operate at permille (.1%) duty cycles, essential for long term environmental monitoring networks. Koala achieves these low...
Provided by Johns Hopkins University
-
White Papers
Corrective Consensus: Converging to the Exact Average
Sep 2010
Consensus algorithms provide an elegant distributed way for computing the average of a set of measurements across a sensor network. However, the convergence of the node estimates to the global...
Provided by Johns Hopkins University
-
White Papers
Using Semantic Annotation for Knowledge Extraction From Geographically Distributed and Heterogeneous Sensor Data
Jul 2010
Using semantic technologies for enriching sensor data description in scalable and heterogeneous sensor network are intended as a solution for better interoperability and easier maintainability....
Provided by Association for Computing Machinery
-
White Papers
On Boundary Recognition Without Location Information In Wireless Sensor Networks
Feb 2008
Boundary recognition is an important and challenging issue in wireless sensor networks when no coordinates or distances are available. The distinction between inner and boundary nodes of the...
Provided by University of Bonn
-
White Papers
Scheduling Optimization in HSDPA Networks Simulating Maximum Terminal Capabilities
Nov 2009
In HSDPA, a single logical channel is shared amongst multiple contending users. Besides better link utilization, scheduling disciplines seek to achieve fair allocation of this shared resource....
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Towards an Elastic and Autonomic Multitenant Database
Jun 2011
The success of cloud computing as a platform for deploying web-applications has led to a deluge of applications characterized by small data footprints with unpredictable access patterns. A...
Provided by Association for Computing Machinery
-
White Papers
Utility of Hybrid Wireless Experimentation for Evaluation of Heterogeneous Wireless Architectures and Cross-Layer Protocols
Nov 2008
The authors consider hybrid wireless experimentation, which has emerged as an alternative and complementary methodology to physical experimentation and simulation for wireless network evaluation....
Provided by University of Edinburgh
-
White Papers
iPAK: An in Situ Pairwise Key Bootstrapping Scheme for Wireless Sensor Networks
Aug 2007
Wireless Sensor Networks (WSNs) are characterized by resource constraints and large scalability. Many applications of WSNs require secure communication, a crucial component especially in hostile...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Equalization of Multiuser MIMO High Speed Downlink Packet Access
Jul 2008
The authors present a model for multiuser Multi-Input Multi-Output (MIMO) High Speed Downlink Packet Access (HSDPA) with covariance based linear precoders. The linear procoders, which are designed...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Iterative (Turbo) Joint Channel Estimation and Signal Detection for Quadrature OFDMA Systems
Jul 2008
Quadrature OFDMA (Q-OFDMA) systems have been recently proposed to reduce the complexity and Peak-to-Average Power Ratio (PAPR), and improve Carrier Frequency Offset (CFO) robustness for OFDMA...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A New Class of Wireless Push Systems
Oct 2009
Data broadcasting is an efficient way of delivering information over asymmetric wireless environments, and push systems can provide high scalability and client hardware simplicity. Many...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Supporting Quality-of-Service Scheduling in a TT-FR WDM System
Jan 2009
In this paper, the authors' recent work Interval-based Orderly Scheduling Strategy (IOSS) is extended by adding Quality-of-Service (QoS) provisioning. A revised Medium Access Control (MAC)...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Scalability Analysis of NEMO Prefix Delegation-Based Schemes
Sep 2010
A number of prefix delegation-based schemes have been proposed to solve the route optimization problem in NEMO, where a group of hosts move together as a mobile network. The schemes trade off...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Scalability in Analyzing the Availability of Large-Scale Networks Using Multicast
Sep 2008
The goal of this paper is to identify and discuss scalability issues for the measurement-based analysis of the availability in large-scale networks using IP multicast technology. Additionally, a...
Provided by University of Erlangen-Nuremberg
-
White Papers
A Study of Self-Organization Mechanisms in Ad Hoc and Sensor Networks
Sep 2008
Self-organization is a great concept for building scalable systems consisting of a huge number of subsystems. The primary objectives are improved scalability and dynamic adaptation to changing...
Provided by University of Erlangen-Nuremberg
-
Webcasts
New TechNet Webcast: Windows Server 2008 Performance and Scalability
Feb 2008
This webcast presents a discussion of Windows Server 2008 performance features, results, and references. In this webcast, the presenter explores the themes behind the performance investments on...
Provided by Microsoft
-
White Papers
A Cluster-Based Dynamic Load Balancing Middleware Protocol for Grids
Dec 2010
The load distribution in a grid may vary leading to the bottlenecks and overloaded sites. The authors describe a hierarchical dynamic load balancing protocol for Grids. The Grid consists of...
Provided by Indiana University
-
White Papers
The MAC Unreliability Problem in IEEE 802.15.4 Wireless Sensor Networks
Oct 2009
In recent years, the number of sensor network deployments for real-life applications has rapidly increased and it is expected to expand even more in the near future. Actually, for a credible...
Provided by Association for Computing Machinery
-
White Papers
Novel Exact Low Complexity MMSE Turbo Equalization
Jul 2008
In this paper the authors analyze low complexity turbo equalization that combines interference canceling and Soft-Input Soft-Output (SISO) decoding. They derive a new, exact MMSE solution for the...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Construction of Connected Dominating Sets in Large-Scale MANETs Exploiting Self-Stabilization
May 2011
Available algorithms for the distributed construction of connected dominating sets in mobile ad hoc networks are inapplicable or suffer from a high complexity. This is mainly due to the...
Provided by Hamburg University of Technology
-
White Papers
SCORES: A Scalable and Parametric Streams-Based Communication Architecture for Modular Reconfigurable Systems
Jan 2009
Parallel architectures have become an increasingly popular method in which to achieve high performance with low power consumption. In order to leverage these benefits, applications are decomposed...
Provided by University of Florida
-
White Papers
Ultra-Wideband Cognitive Interrogator Network for Indoor Location Tracking - Part I: System Architecture and Network Performance Analysis
Jul 2008
The authors explore the potential application of Cognitive Interrogator Network (CIN) in remote monitoring of mobile subjects in domestic environments, where the Ultra-WideBand Radio Frequency...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A New Peer-to-Peer-Based Interoperable Spatial Sensor Web Architecture
Jun 2008
With the rapid advances in sensor network, and information and communication technologies, the vision of a World-Wide Sensor Web (WSW) is becoming a reality. However, there is a lack of a spatial...
Provided by University of Calgary
-
White Papers
Rendered Path: Range-Free Localization in Anisotropic Sensor Networks With Holes
May 2010
Sensor positioning is a crucial part of many location-dependent applications that utilize Wireless Sensor Networks (WSNs). Current localization approaches can be divided into two groups:...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Efficient Distributed Clustering-Based Anomaly Detection Algorithm for Sensor Stream in Clustered Wireless Sensor Networks
Jun 2011
Wireless Sensor Networks (WSNs) are being deployed to collect information about the physical environment for a wide range of monitoring applications. Due to the inexpensive hardware used and...
Provided by EuroJournals
-
White Papers
Bayesian Inference in Linear Models With a Random Gaussian Matrix : Algorithms and Complexity
Jul 2008
The authors consider the Bayesian inference of a random Gaussian vector in a linear model with a random Gaussian matrix. They review two approaches to finding the MAP estimator for this model....
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Performance Comparison of ARQ Schemes for Network Coding in Ad Hoc Networks
Jul 2008
One of the solutions to mitigate degradation due to traffic concentration on certain nodes is network coding in ad hoc networks. When network coding is applied to unicast traffic, it is necessary...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Effect of Measurement Bandwidth to the Accuracy of Inter-Frequency RSRP Measurements in LTE
Jul 2008
In this paper, the authors have analyzed potential performance benefits that wider Reference Signal Received Power (RSRP) measurement bandwidth could provide in inter-frequency handover evaluation...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
EBBS: Energy-Efficient BOP-Based Beacon Transmission Scheduling for WSNs
Jul 2008
This paper describes an Energy-efficient BOP-based Beacon transmission Scheduling (EBBS) algorithm. EBBS is the centralized approach, in which a resource-sufficient node called as Topology...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Performance Analysis of Link-Layer Hybrid ARQ With Finite Buffer Size
Jul 2008
This paper presents a performance evaluation of a hybrid FEC/SR-ARQ (HARQ) analytical model. This model maps the impact of finite Link Layer (LL) buffer size, retransmissions and code rate on HARQ...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Design Challenges of Open Spectrum Access
Jul 2008
The use of licensed spectrum for wireless communication is driven by the need to control interference between different operators. However, with this mode of regulation, spectrum utilization is...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Naming in Content-Oriented Architectures
Aug 2011
There have been several recent proposals for content-oriented network architectures whose underlying mechanisms are surprisingly similar in spirit, but which differ in many details. In this paper,...
Provided by Association for Computing Machinery
-
White Papers
ACT: Audio Conference Tool Over Named Data Networking
Aug 2011
In this paper, the authors present the design of an audio conference tool, which is one of the efforts to explore application designs on top of named data networking. Instead of relying on...
Provided by Association for Computing Machinery
-
White Papers
Adaptive Stack-Based Iterative Precoding for the Multiuser MIMO Downlink
Jul 2008
The Stack-Based Iterative Precoding (SBIP) is an efficient algorithm that achieves a tradeoff between Bit Error Rate (BER) performance and computational complexity in multi-user MIMO downlink...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Energy Distribution Control in Wireless Sensor Networks Through Range Optimization
Jul 2008
A major objective in wireless sensor networks is to find optimum routing strategies for energy efficient use of nodes. Routing decision and transmission power selection are intrinsically connected...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Datacentre transformation: An application-fluent approach
Sep 2011
The datacentre infrastructure is undergoing a rapid transformation to drive down costs and improve the end user experience in the face of rapidly evolving technology trends. This is causing...
Provided by Alcatel-Lucent
-
White Papers
Asymmetry Balancing in OFDMA-TDD Cellular Networks
Jul 2008
The purpose of this paper is to compare two interference avoidance techniques for Time Division Duplex (TDD) wireless networks, viz.: a novel technique termed asymmetry balancing and the known...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Improved Signal Estimation Based on Combined Forward and Backward Lattice Reduction in MIMO Systems
Jul 2008
Lattice Reduction Aided (LRA) detection with the LLL algorithm has been investigated to achieve the MIMO channel capacity with low computational complexity. This paper proposes an improved...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
A Closed-Form Precoder for Spatial Multiplexing Over Correlated MIMO Channels
Jan 2011
Multiple Input and Multiple Output (MIMO) systems, employing several transmit and receive antennas at both ends, are capable of providing a large increase in capacity compared to traditional...
Provided by University of Oslo
-
White Papers
Spatial Multiplexing Over Correlated MIMO Channels With a Closed Form Precoder
Jan 2011
Multiple Input and Multiple Output (MIMO) systems, employing several transmit and receive antennas at both ends, are capable of providing a large increase in capacity compared to traditional...
Provided by University of Oslo
-
White Papers
Decentralized Power Control for Multi-Radio Multi-Channel Wireless Mesh Networks
Jul 2010
Multi-Radio Multi-Channel (MRMC) WMNs result in power control problems including interference, un-scalable connectivity and energy-consumption. Several previous studies have focused on the single...
Provided by Tshwane University of Technology
-
White Papers
LSDC a Lossless Approach to Lifetime Maximization in Wireless Sensor Networks
Sep 2009
In this paper, the authors outline an approach to improve the lifespan of a wireless sensor network by introducing a variant to standard sleep synchronization protocols. A multilayered...
Provided by Institute of Electrical and Electronics Engineers
-
White Papers
Oracle Coherence: Providing Extreme Performance, Predictable Scalability, and Continuous Availability for Mission-Critical Java Applications
Aug 2007
Organizations can gain significant advantage by managing and exploiting their information systems more effectively than their competitors. But with today's tight budget constraints and technology...
Provided by Oracle
-
White Papers
Scalable, Grid-Enabled Service-Oriented Architecture Using Oracle Coherence
Feb 2008
One of the greatest benefits of a service-oriented architecture (SOA) grid is that the cost of scalability is more predictable and efficient because of the option of using commodity hardware. This...
Provided by Oracle
-
White Papers
Scalable Video Streaming Server for Mobile WiMAX
Jun 2010
The advancements in high-speed networks and video technology have made it technologically and economically feasible to provide video streaming. Among existing wireless standards, WiMAX provides...
Provided by University of Cape Town
-
White Papers
MOve: Design of an Application-Malleable Overlay
Jan 2011
Peer-to-peer overlays allow distributed applications to work in a wide-area, scalable, and fault-tolerant manner. However, most structured and unstructured overlays present in literature today are...
Provided by University of Illinois
-
White Papers
Multiple Target Localization Using Compressive Sensing
Aug 2009
In this paper, a novel multiple target localization approach is proposed by exploiting the compressive sensing theory, which indicates that sparse or compressible signals can be recovered from far...
Provided by University of Toronto
