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University of Toulouse
(29 results)-
White Papers
European Competition Policy In International Markets
November 1, 2006, 12:00am PST
Changes in the institutional, technological and economic environment raise new challenges to the European competition policy. First, firms' behavior, particularly through international M&A and...
Provided by University of Toulouse
-
White Papers
Monetary Policy Inertia Or Persistent Shocks: A DSGE Analysis
June 1, 2007, 12:00am PDT
In this paper, the authors propose a simple econometric framework to disentangle the respective roles of monetary policy inertia and persistent shocks in interest rate rules. They exploit the...
Provided by University of Toulouse
-
White Papers
An Architecture-Based Dependability Modeling Framework Using AADL
September 13, 2006, 12:00am PDT
For efficiency reasons, the software system designers' will is to use an integrated set of methods and tools to describe specifications and designs, and also to perform analyses such as...
Provided by University of Toulouse
-
White Papers
Well-Formedness and Typing Rules for UML Composite Structures
October 29, 2010, 12:00am PDT
Starting from version 2.0, UML introduced hierarchical composite structures, which are an expressive way of defining complex software architectures, but which have a very loosely defined semantics...
Provided by University of Toulouse
-
White Papers
Context-Aware Adaptation for Group Communication Support Applications With Dynamic Architecture
July 30, 2007, 12:00am PDT
In this paper, the authors propose a refinement-based adaptation approach for the architecture of distributed group communication support applications. Unlike most of previous works, the approach...
Provided by University of Toulouse
-
White Papers
A Language-Theoretic View on Guidelines and Consistency Rules of UML
May 14, 2009, 12:00am PDT
Guidelines and consistency rules of UML are used to control the degrees of freedom provided by the language to prevent faults. Guidelines are used in specific domains (e.g., avionics) to recommend...
Provided by University of Toulouse
-
White Papers
Modeling System Safety Requirements Using Input/Output Constraint Meta-Automata
May 14, 2009, 12:00am PDT
Most recent software related accidents have been system accidents. To validate the absence of system hazards concerning dysfunctional interactions, industrials call for approaches of modeling...
Provided by University of Toulouse
-
White Papers
Formalizing Safety Requirements Using Controlling Automata
May 14, 2009, 12:00am PDT
Safety is an important element of dependability. It is defined as the absence of accidents. Most accidents involving software-intensive systems have been system accidents, which are caused by...
Provided by University of Toulouse
-
White Papers
Existence Of Solutions In Continuous-Time Optimal Growth Models
September 20, 2007, 12:00am PDT
This paper studies the existence of solutions in continuous time optimization problems. It provides a theorem whose conditions can be easily checked in most models of the optimal growth theory,...
Provided by University of Toulouse
-
White Papers
Resource Allocation When Projects Have Ranges Of Increasing Returns
January 24, 2007, 12:00am PST
We examine the problem of optimally allocating a fixed budget to a finite number of different investment projects. The marginal productivity of capital in a project is first increasing then...
Provided by University of Toulouse
-
White Papers
Financing Constraints And A Firm's Decision And Ability To Innovate: Establishing Direct And Reverse Effects
October 1, 2008, 12:00am PDT
The paper analyzes the existence and impact of financing constraints as a possibly serious obstacle to innovation by firms. Direct measures of financing constraints are employed using survey data...
Provided by University of Toulouse
-
White Papers
Optimization of WiMax Modulation Scheme With a Cross Layer Erasure Code
December 9, 2008, 12:00am PST
WIMAX (Worldwide Interoperability for Microwave Access) is a promising new networking technology that potentially offers high speed and wide area wireless access services that complement...
Provided by University of Toulouse
-
White Papers
System Architecture Modeling of an UWB Receiver for Wireless Sensor Network
September 28, 2009, 12:00am PDT
This paper presents a method for system architecture modeling of an IR-UWB (Impulse Radio Ultra WideBand) receiver for sensors networks applications. The authors expose the way for designing an...
Provided by University of Toulouse
-
White Papers
SOPC Co-Design Platform for UWB System in Wireless Sensor Network Context
February 2, 2010, 12:00am PST
This paper presents the authors'approach of the radio interface problematic for Wireless Sensor Network. They introduce the WSN context and constraints associated. They propose an IR-UWB solution...
Provided by University of Toulouse
-
White Papers
Software Defined Radio Layer for IR-UWB Systems in Wireless Sensor Network Context
February 2, 2010, 12:00am PST
This paper addresses the radio interface problematic for MANET (Mobile Ad-hoc NETwork) applications. Here the authors propose to study the radio reconfigurability in order to provide a unique...
Provided by University of Toulouse
-
White Papers
Small Size High Isolation Wilkinson Power Splitter for 60 GHz Wireless Sensor Network Applications
May 6, 2011, 12:00am PDT
This paper shows a very compact Wilkinson power splitter for high integrated millimeter wave systems. The approach, to reduce the component's size, is based on the lumped component transformation...
Provided by University of Toulouse
-
White Papers
Simulation Platform for Wireless Sensor Networks Based on Impulse Radio Ultra Wide Band
February 2, 2010, 12:00am PST
Impulse Radio Ultra Wide Band (IR-UWB) is a promising technology to address Wireless Sensor Network (WSN) constraints. However, existing network simulation tools do not provide a complete WSN...
Provided by University of Toulouse
-
White Papers
Going For Broke: New Century Financial Corporation, 2004-2006
September 1, 2010, 12:00am PDT
Using loan level data, the authors investigate the lending behavior of a large subprime mortgage issuer prior to its bankruptcy in the beginning of 2007. In 2004, this firm suddenly started to...
Provided by University of Toulouse
-
White Papers
Radio Interface for High Data Rate Wireless Sensor Networks
June 2, 2008, 12:00am PDT
This paper gives an overview of radio interfaces devoted for high data rate Wireless Sensor Networks. Four aerospace applications of WSN are presented to underline the importance of achieving high...
Provided by University of Toulouse
-
White Papers
Proposition and Validation of an Original MAC Layer With Simultaneous Accesses for Low Latency Wireless Control/Command Applications
June 16, 2008, 12:00am PDT
Control/command processes require a transmission system with some characteristics like high reliability, low latency and strong guarantees on messages delivery. Concerning wire networks, field...
Provided by University of Toulouse
-
White Papers
Performance Evaluation of Wireless Sensor Network for Spatial and Aeronautic Systems
April 12, 2010, 12:00am PDT
Ultra-WideBand (UWB) has been proposed for physical layer standard for high speed Wireless Personal Area Networks (WPAN). It has emerged as cost effective and reliable alternative to traditional...
Provided by University of Toulouse
-
White Papers
Performance Evaluation of Impulse Radio Ultra Wide Band Wireless Sensor Networks
February 2, 2010, 12:00am PST
This paper presents a performance evaluation of Wireless Sensor Networks (WSN) based on Impulse Radio Ultra WideBand (IR-UWB) over a new simulation platform developed for this purpose. The...
Provided by University of Toulouse
-
White Papers
Miniaturized Wireless Sensor Networks
February 5, 2010, 12:00am PST
This paper addresses an overview of the wireless sensor networks. It is shown that MEMS/NEMS technologies and SIP concept are well suited for advanced architectures. It is also shown analog...
Provided by University of Toulouse
-
White Papers
Cross-Layered Synchronization Protocol for Wireless Sensor Networks
April 6, 2010, 12:00am PDT
The aircraft industry has a conception cycle based on a massive use of Computer Assisted Design in order to allow more complex plane designs, and cheaper development costs compared to multiple...
Provided by University of Toulouse
-
White Papers
A Reconfigurable IR-UWB Radio Interface, With Directional Antennas and Localization Capability, for Wireless Sensor Networks
January 28, 2009, 12:00am PST
This paper proposes an IR-UWB radio interface layer which is able to deal with WSN context. With this intention, the authors present a reconfigurable IR-UWB with directional antennas and...
Provided by University of Toulouse
-
White Papers
3D Heterogeneous Integration of Wireless Communicating Nano-Sensors on Flexible Substrate
May 6, 2011, 12:00am PDT
In this communication, the 3D heterogeneous integration of miniaturized communicating modules used for wireless network application is described. These communicating objects present the...
Provided by University of Toulouse
-
White Papers
On Designing Sensor Networks With Smart Antennas
January 28, 2009, 12:00am PST
Wireless Sensor Networks (WSN) is an active research area. The recent advances in the fields of antennae and transmission let's consider massive improvements in the energy and communication...
Provided by University of Toulouse
-
White Papers
An Enhanced Multiple Random Access Scheme for Satellite Communications
October 14, 2011, 12:00am PDT
In this paper, the authors introduce Multi-Slots Coded ALOHA (MuSCA) as a multiple random access method for satellite communications. This scheme can be considered as a generalization of the...
Provided by University of Toulouse
-
White Papers
A QoS Architecture for DVB-RCS Next Generation Satellite Networks
May 31, 2007, 12:00am PDT
The standardization of a Return Channel via Satellite (DVB-RCS) and satellite community efforts in term of interoperability over the last few years leads to quite a positive outcome: geostationary...
Provided by University of Toulouse
-
White Papers
A QoS Architecture for DVB-RCS Next Generation Satellite Networks
May 31, 2007, 12:00am PDT
The standardization of a Return Channel via Satellite (DVB-RCS) and satellite community efforts in term of interoperability over the last few years leads to quite a positive outcome: geostationary...
Provided by University of Toulouse
-
White Papers
An Enhanced Multiple Random Access Scheme for Satellite Communications
October 14, 2011, 12:00am PDT
In this paper, the authors introduce Multi-Slots Coded ALOHA (MuSCA) as a multiple random access method for satellite communications. This scheme can be considered as a generalization of the...
Provided by University of Toulouse
-
White Papers
On Designing Sensor Networks With Smart Antennas
January 28, 2009, 12:00am PST
Wireless Sensor Networks (WSN) is an active research area. The recent advances in the fields of antennae and transmission let's consider massive improvements in the energy and communication...
Provided by University of Toulouse
-
White Papers
3D Heterogeneous Integration of Wireless Communicating Nano-Sensors on Flexible Substrate
May 6, 2011, 12:00am PDT
In this communication, the 3D heterogeneous integration of miniaturized communicating modules used for wireless network application is described. These communicating objects present the...
Provided by University of Toulouse
-
White Papers
A Reconfigurable IR-UWB Radio Interface, With Directional Antennas and Localization Capability, for Wireless Sensor Networks
January 28, 2009, 12:00am PST
This paper proposes an IR-UWB radio interface layer which is able to deal with WSN context. With this intention, the authors present a reconfigurable IR-UWB with directional antennas and...
Provided by University of Toulouse
-
White Papers
Cross-Layered Synchronization Protocol for Wireless Sensor Networks
April 6, 2010, 12:00am PDT
The aircraft industry has a conception cycle based on a massive use of Computer Assisted Design in order to allow more complex plane designs, and cheaper development costs compared to multiple...
Provided by University of Toulouse
-
White Papers
Miniaturized Wireless Sensor Networks
February 5, 2010, 12:00am PST
This paper addresses an overview of the wireless sensor networks. It is shown that MEMS/NEMS technologies and SIP concept are well suited for advanced architectures. It is also shown analog...
Provided by University of Toulouse
-
White Papers
Performance Evaluation of Impulse Radio Ultra Wide Band Wireless Sensor Networks
February 2, 2010, 12:00am PST
This paper presents a performance evaluation of Wireless Sensor Networks (WSN) based on Impulse Radio Ultra WideBand (IR-UWB) over a new simulation platform developed for this purpose. The...
Provided by University of Toulouse
-
White Papers
Performance Evaluation of Wireless Sensor Network for Spatial and Aeronautic Systems
April 12, 2010, 12:00am PDT
Ultra-WideBand (UWB) has been proposed for physical layer standard for high speed Wireless Personal Area Networks (WPAN). It has emerged as cost effective and reliable alternative to traditional...
Provided by University of Toulouse
-
White Papers
Proposition and Validation of an Original MAC Layer With Simultaneous Accesses for Low Latency Wireless Control/Command Applications
June 16, 2008, 12:00am PDT
Control/command processes require a transmission system with some characteristics like high reliability, low latency and strong guarantees on messages delivery. Concerning wire networks, field...
Provided by University of Toulouse
-
White Papers
Radio Interface for High Data Rate Wireless Sensor Networks
June 2, 2008, 12:00am PDT
This paper gives an overview of radio interfaces devoted for high data rate Wireless Sensor Networks. Four aerospace applications of WSN are presented to underline the importance of achieving high...
Provided by University of Toulouse
-
White Papers
Going For Broke: New Century Financial Corporation, 2004-2006
September 1, 2010, 12:00am PDT
Using loan level data, the authors investigate the lending behavior of a large subprime mortgage issuer prior to its bankruptcy in the beginning of 2007. In 2004, this firm suddenly started to...
Provided by University of Toulouse
-
White Papers
Simulation Platform for Wireless Sensor Networks Based on Impulse Radio Ultra Wide Band
February 2, 2010, 12:00am PST
Impulse Radio Ultra Wide Band (IR-UWB) is a promising technology to address Wireless Sensor Network (WSN) constraints. However, existing network simulation tools do not provide a complete WSN...
Provided by University of Toulouse
-
White Papers
Small Size High Isolation Wilkinson Power Splitter for 60 GHz Wireless Sensor Network Applications
May 6, 2011, 12:00am PDT
This paper shows a very compact Wilkinson power splitter for high integrated millimeter wave systems. The approach, to reduce the component's size, is based on the lumped component transformation...
Provided by University of Toulouse
-
White Papers
Software Defined Radio Layer for IR-UWB Systems in Wireless Sensor Network Context
February 2, 2010, 12:00am PST
This paper addresses the radio interface problematic for MANET (Mobile Ad-hoc NETwork) applications. Here the authors propose to study the radio reconfigurability in order to provide a unique...
Provided by University of Toulouse
-
White Papers
SOPC Co-Design Platform for UWB System in Wireless Sensor Network Context
February 2, 2010, 12:00am PST
This paper presents the authors'approach of the radio interface problematic for Wireless Sensor Network. They introduce the WSN context and constraints associated. They propose an IR-UWB solution...
Provided by University of Toulouse
-
White Papers
System Architecture Modeling of an UWB Receiver for Wireless Sensor Network
September 28, 2009, 12:00am PDT
This paper presents a method for system architecture modeling of an IR-UWB (Impulse Radio Ultra WideBand) receiver for sensors networks applications. The authors expose the way for designing an...
Provided by University of Toulouse
-
White Papers
Optimization of WiMax Modulation Scheme With a Cross Layer Erasure Code
December 9, 2008, 12:00am PST
WIMAX (Worldwide Interoperability for Microwave Access) is a promising new networking technology that potentially offers high speed and wide area wireless access services that complement...
Provided by University of Toulouse
-
White Papers
Financing Constraints And A Firm's Decision And Ability To Innovate: Establishing Direct And Reverse Effects
October 1, 2008, 12:00am PDT
The paper analyzes the existence and impact of financing constraints as a possibly serious obstacle to innovation by firms. Direct measures of financing constraints are employed using survey data...
Provided by University of Toulouse
-
White Papers
Existence Of Solutions In Continuous-Time Optimal Growth Models
September 20, 2007, 12:00am PDT
This paper studies the existence of solutions in continuous time optimization problems. It provides a theorem whose conditions can be easily checked in most models of the optimal growth theory,...
Provided by University of Toulouse
-
White Papers
Formalizing Safety Requirements Using Controlling Automata
May 14, 2009, 12:00am PDT
Safety is an important element of dependability. It is defined as the absence of accidents. Most accidents involving software-intensive systems have been system accidents, which are caused by...
Provided by University of Toulouse
-
White Papers
Modeling System Safety Requirements Using Input/Output Constraint Meta-Automata
May 14, 2009, 12:00am PDT
Most recent software related accidents have been system accidents. To validate the absence of system hazards concerning dysfunctional interactions, industrials call for approaches of modeling...
Provided by University of Toulouse
-
White Papers
A Language-Theoretic View on Guidelines and Consistency Rules of UML
May 14, 2009, 12:00am PDT
Guidelines and consistency rules of UML are used to control the degrees of freedom provided by the language to prevent faults. Guidelines are used in specific domains (e.g., avionics) to recommend...
Provided by University of Toulouse
-
White Papers
Context-Aware Adaptation for Group Communication Support Applications With Dynamic Architecture
July 30, 2007, 12:00am PDT
In this paper, the authors propose a refinement-based adaptation approach for the architecture of distributed group communication support applications. Unlike most of previous works, the approach...
Provided by University of Toulouse
-
White Papers
Well-Formedness and Typing Rules for UML Composite Structures
October 29, 2010, 12:00am PDT
Starting from version 2.0, UML introduced hierarchical composite structures, which are an expressive way of defining complex software architectures, but which have a very loosely defined semantics...
Provided by University of Toulouse
-
White Papers
An Architecture-Based Dependability Modeling Framework Using AADL
September 13, 2006, 12:00am PDT
For efficiency reasons, the software system designers' will is to use an integrated set of methods and tools to describe specifications and designs, and also to perform analyses such as...
Provided by University of Toulouse
-
White Papers
Monetary Policy Inertia Or Persistent Shocks: A DSGE Analysis
June 1, 2007, 12:00am PDT
In this paper, the authors propose a simple econometric framework to disentangle the respective roles of monetary policy inertia and persistent shocks in interest rate rules. They exploit the...
Provided by University of Toulouse
-
White Papers
European Competition Policy In International Markets
November 1, 2006, 12:00am PST
Changes in the institutional, technological and economic environment raise new challenges to the European competition policy. First, firms' behavior, particularly through international M&A and...
Provided by University of Toulouse
-
White Papers
Resource Allocation When Projects Have Ranges Of Increasing Returns
January 24, 2007, 12:00am PST
We examine the problem of optimally allocating a fixed budget to a finite number of different investment projects. The marginal productivity of capital in a project is first increasing then...
Provided by University of Toulouse
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