components

White Papers

Euclidean Distances in Quantized Spaces With Pre-Stored Components for MIMO Detection

October 1, 2007 12:00am PDT

This paper proposes a technique to reduce the complexity involved in the maximum likelihood detection of Multiple Input Multiple Output (MIMO) spatial multiplexing systems. Both the received...

Provided by: University of Cambridge

White Papers

Adaptive Multiple Metrics Routing Protocols for Heterogeneous Multi-Hop Wireless Networks

October 1, 2007 12:00am PDT

The calculation of path cost is a critical component of route discovery for network routing. The criteria used to represent path cost guides resource consumption in the network. In this paper, the...

Provided by: University of North Carolina

Case Studies

Virtualization Helped the City of New Orleans Begin Recovery After Katrina

October 1, 2007 12:00am PDT

After the storm, the city of New Orleans recognized an opportunity to expand its original IT upgrade plans. Because the majority of city agencies lost all computing capabilities, it was a chance...

Provided by: Dell

Case Studies

German Engineering Firm Makes the Call to Foundry for VoIP

October 1, 2007 12:00am PDT

The TRUMPF Group is one of the world's leading production engineering companies. Getting VoIP up and running was not without its challenges. It was really quite an effort to make the existing...

Provided by: Foundry Networks

Whitepapers

The Case for an Agile SOA

September 28, 2007 12:00am PDT

Service Oriented Architectures (SOA) are increasingly being used by architects of business IT systems to encapsulate key business components and make them available for efficient reuse across...

Provided by: IBM

White Papers

Asset Correlations And Credit Portfolio Risk - An Empirical Analysis

September 28, 2007 12:00am PDT

In credit risk modeling, the correlation of unobservable asset returns is a crucial component for the measurement of portfolio risk. In this paper, the authors estimate asset correlations from...

Provided by: Deutsche Bundesbank

White Papers

A CostEstimation Component for Statement Sequences

September 28, 2007 12:00am PDT

Query generators producing sequences of SQL statements are embedded in many applications. As the execution time of such sequences is often far from optimal, their optimization is an important...

Provided by: Association for Computing Machinery

White Papers

A Genetic Approach for Random Testing of Database Systems

September 28, 2007 12:00am PDT

Testing a database engine has been and continues to be a challenging task. The space of possible SQL queries along with their possible access paths is practically unbounded. Moreover, this space...

Provided by: Association for Computing Machinery

White Papers

From Data Privacy to Location Privacy: Models and Algorithms

September 28, 2007 12:00am PDT

This tutorial presents the definition, the models and the techniques of location privacy from the data privacy perspective. By reviewing and revising the state of art research in data privacy...

Provided by: Association for Computing Machinery

White Papers

ProofInfused Streams: Enabling Authentication of Sliding Window Queries on Streams

September 28, 2007 12:00am PDT

As computer systems are essential components of many critical commercial services, the need for secure online transactions is now becoming evident. The demand for such applications, as the market...

Provided by: Association for Computing Machinery

White Papers

An ML-Based Estimate and the Cramer-Rao Bound for Data-Aided Channel Estimation in KSP-OFDM

September 28, 2007 12:00am PDT

The authors consider the Cramer-Rao Bound (CRB) for data-aided channel estimation for OFDM with Known Symbol Padding (KSPOFDM). The pilot symbols used to estimate the channel are positioned not...

Provided by: Hindawi Publishing

Downloads

IrisMenu 2 (Windows)

September 28, 2007 12:00am PDT

IrisMenu is an easy-to-use menu components package for VisualStudio.NET(Winforms) which provides multifarious non-traditional menu components. E.g. matrix menu, wheel menu. All you need to do is...

Provided by: Sunisoft

White Papers

Public Transport Network Design and Reliability

September 27, 2007 12:00am PDT

Design of public transport networks is usually based on a deterministic point of view: it is assumed that all components of the system perform as planned. In reality, however, there are a large...

Provided by: Delft University of Technology

White Papers

MDDPro: Model-Driven Dependability Provisioning in Enterprise Distributed Real-Time and Embedded Systems

September 27, 2007 12:00am PDT

Service Oriented Architecture (SOA) design principles are increasingly being adopted to develop Distributed Real-time and Embedded (DRE) systems, such as avionics mission computing, due to the...

Provided by: Vanderbilt University

White Papers

Model-Driven Engineering for Development-Time QoS Validation of Component-Based Software Systems

September 27, 2007 12:00am PDT

Model-Driven Engineering (MDE) techniques are increasingly being used to address many of the development and operational lifecycle concerns of large-scale component-based systems. One such concern...

Provided by: Vanderbilt University

Case Studies

Agfa Uses SAP Travel Expense Manager to Cut Travel Expense Processing Costs in Half

September 27, 2007 12:00am PDT

With 20,000 employees supporting a market presence in more than 200 countries, travel is an important component of Agfa's business. The company is using SAP Travel Expense Manager to centralize...

Provided by: SAP

White Papers

On the Connection Between Functional Programming Languages and Real-Time Java Scoped Memory

September 26, 2007 12:00am PDT

Applications which run on real-time basis require predictable memory-management performance, which includes the cost of storage allocation, de-allocation, and (for the relevant languages) the...

Provided by: Association for Computing Machinery

Blog Post

High-end Sony Vaio G2 out next month

September 25, 2007 11:07pm PDT

The next version of Sony's high-end Vaio laptop series, the "G2", will be out in Japan in October of 2007. It will feature a Core 2 Duo CPU, SSD (Solid State Drive), and a drip-proof keyboard.

Blog Post

Sprint starts Femtocell rollout in two US cities

September 25, 2007 7:16am PDT

In a previous blog post, "Take advantage of Femtocells, the new cellular hotspots," I mentioned that Sprint was close to beginning trials of a femtocell modem. According to this September 19,...

Downloads

Eyecopia 2.0.7 (Windows)

September 25, 2007 12:00am PDT

Easy security for protecting your home, securing your businesses, watching over your family, or even keeping an eye on pets. Eyecopia detects motion from webcams and camcorders, records video...

Provided by: Enjoin