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University of Rome
(52 results)-
Whitepapers
Gymkhana: A Connectivity-Based Routing Scheme for Cognitive Radio Ad Hoc Networks
March 24, 2010, 12:00am PDT
The topology of a cognitive radio ad hoc network is highly influenced by the behavior of both licensed (primary) and unlicensed (secondary) users. In fact, the network connectivity could be...
Provided by University of Rome
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White Papers
Leakage-Resilient Storage
April 13, 2010, 12:00am PDT
The authors study a problem of secure data storage on hardware that may leak information. This paper introduces a new primitive that the authors call Leakage-Resilient Storage (LRS), which is an...
Provided by University of Rome
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White Papers
An Introduction to Simulation-Based Techniques for Automated Service Composition
June 22, 2009, 12:00am PDT
This work is an introduction to the author's contributions to the SOC area, resulting from his PhD research activity. It focuses on the problem of automatically composing a desired service, given...
Provided by University of Rome
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White Papers
Discrete Time Optimal Solution for the Connection Admission Control Problem
January 2, 2011, 12:00am PST
The Connection Admission Control (CAC) problem is formulated in this paper as a discrete time optimal control problem. The control variables account for the acceptance/ rejection of new...
Provided by University of Rome
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White Papers
Optimizing One-Shot Learning With Binary Synapses
December 12, 2007, 12:00am PST
A network of excitatory synapses trained with a conservative version of Hebbian learning is used as a model for recognizing the familiarity of thousands of once seen stimuli from those never seen...
Provided by University of Rome
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White Papers
On the Exploitation of ACK Cancellation for Spatial Reuse in Unplanned Multi-Hop WLANs
January 1, 2011, 12:00am PST
Spatial reuse is an important challenge in multi-cell WLAN networks, such as ad-hoc and mesh networks, as well as sectorized antenna WLANs. However, the asynchronous handshake employed in the...
Provided by University of Rome
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White Papers
Topology Reconfiguration in IEEE 802.15.4 WPANs for Emergency Management
March 24, 2010, 12:00am PDT
Communication networks play a fundamental role in the response to massive catastrophes. In case of emergency, the main purpose of public authorities is to avoid damages for people and for...
Provided by University of Rome
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White Papers
A Distributed Procedure for IEEE 802.15.4 PAN Coordinator Election in Emergency Scenarios
July 15, 2009, 12:00am PDT
In an emergency scenario, the presence of a reliable communication infrastructure is fundamental. In response to massive catastrophes, like earthquakes, floods, fires, etc., public authorities are...
Provided by University of Rome
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White Papers
Self-Configuration of IEEE 802.15.4 Wireless PANs for Urban Applications
June 20, 2009, 12:00am PDT
Pervasive sensor devices are expected to flood the urban environments of the future to provide citizens with specific services. Such services will be based on the monitoring of a multiplicity of...
Provided by University of Rome
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White Papers
Topology Characterization and Performance Analysis of IEEE 802.15.4 Multi-Sink Wireless Sensor Networks
June 15, 2007, 12:00am PDT
Topology characterization of wireless sensor networks is a key issue for network planning, management and control as well as for maximizing the network performance and for optimizing protocol...
Provided by University of Rome
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White Papers
A Closed-Loop Fuzzy Traffic Controller for Fair Bandwidth Sharing
June 2, 2008, 12:00am PDT
This paper introduces an innovative closed-loop traffic controller to efficiently and fairly share a single common resource, e.g., the available bit rate in a wireless link, among a set of traffic...
Provided by University of Rome
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White Papers
Monetary Policy And The Housing Market: A Structural Factor Analysis
September 28, 2010, 12:00am PDT
This paper estimates a Structural Dynamic Factor Model on a panel of 102 US quarterly series. The authors model economic comovements by means of five underlying structural shocks (oil price,...
Provided by University of Rome
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White Papers
Constraining the Network Topology in IEEE 802.15.4
January 15, 2008, 12:00am PST
The IEEE 802.15.4 standard defines a MAC association procedure that allows devices of a Wireless Personal Area Network (WPAN) to associate one each other in accordance to parent-child...
Provided by University of Rome
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White Papers
Hybrid Modelling of Ultra Wide Band Self-Organizing Networks
January 1, 2011, 12:00am PST
Hybrid systems formalism is used to derive a model for a self-organizing network of nodes that operate according to the UWB principle. The authors model the rules that lead to the formation of the...
Provided by University of Rome
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White Papers
Identification of Packet Exchange Patterns Based on Energy Detection: The Bluetooth Case
January 21, 2011, 12:00am PST
A time-domain recognition of different wireless technologies may be obtained using energy detection. In this paper, an energy detector was implemented using the Universal Software Radio Peripheral...
Provided by University of Rome
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White Papers
Detailed Analysis of TCP Fairness Issues in IEEE 802.11 Networks and Their Solution Using a Rate Control Approach
January 1, 2011, 12:00am PST
In this paper, the authors study the problem of maintaining fairness for TCP connections in Wireless Local Area Networks (WLANs) based upon the IEEE 802.11 standard. Current implementations of...
Provided by University of Rome
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White Papers
Social-Aware Stateless Forwarding in Pocket Switched Networks
January 14, 2011, 12:00am PST
In this paper, the authors describe SANE, the first forwarding mechanism that combines the advantages of both social-aware and stateless approaches in pocket switched network routing. SANE is...
Provided by University of Rome
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White Papers
Show Me Your Friends and I'll Tell You What You Like
August 23, 2010, 12:00am PDT
Pocket Switched Networks (PSN), where humans carry short-range communicating devices such as PDAs, lap-tops, or smart phones, have attracted the attention of many researchers in recent years....
Provided by University of Rome
-
White Papers
Generalized Access for MIMO Cognitive Radios
September 28, 2007, 12:00am PDT
Main goal of this paper is to give insight on the possibile performance improvement arising in the wireless local and/or "Ad-hoc" access from the synergic cooperation of two emerging paradigms,...
Provided by University of Rome
-
White Papers
Enabling Backbone Networks to Sleep
January 5, 2011, 12:00am PST
Today, backbone networks of Telecom operators deploy a large number of devices and links. This is mainly due to both redundancy purposes for network service reliability, and resource...
Provided by University of Rome
-
White Papers
Self-Through Self-Learning: Overload Control for Distributed Web Systems
January 1, 2012, 12:00am PST
Overload control is a challenging problem for web-based applications, which are often prone to unexpected surges of traffic. Existing solutions are still far from guaranteeing the necessary...
Provided by University of Rome
-
White Papers
MobiBar: Barrier Coverage With Mobile Sensors
July 26, 2011, 12:00am PDT
Critical homeland security applications such as monitoring zones contaminated by chemical or biological attacks and monitoring the spread of forest fires, require the timely creation of barrier of...
Provided by University of Rome
-
White Papers
Mobile Sensor Deployment in Unknown Fields
December 29, 2009, 12:00am PST
In this paper, the authors propose GREASE, a distributed algorithm to deploy mobile sensors in an unknown environment with obstacles and field asperities that may cause sensing anisotropies and...
Provided by University of Rome
-
White Papers
Autonomous Deployment of Heterogeneous Mobile Sensors
September 2, 2009, 12:00am PDT
In this paper, the authors address the problem of deploying heterogeneous mobile sensors over a target area. They show how traditional approaches designed for homogeneous networks fail when...
Provided by University of Rome
-
White Papers
Variable Density Deployment and Topology Control for the Solution of the Sink-Hole Problem
September 12, 2009, 12:00am PDT
The use of mobile sensors is of great relevance to monitor critical areas where sensors cannot be deployed manually. The presence of data collector sinks causes increased energy depletion in their...
Provided by University of Rome
-
White Papers
Autonomous Deployment of Self-Organizing Mobile Sensors for a Complete Coverage
October 1, 2008, 12:00am PDT
In this paper, the authors propose an algorithm for the autonomous deployment of mobile sensors over critical target areas where sensors cannot be deployed manually. The application of their...
Provided by University of Rome
-
White Papers
Self-Overload Control for Distributed Web Systems
April 7, 2008, 12:00am PDT
Unexpected increases in demand and most of all flash crowds are considered the bane of every web application as they may cause intolerable delays or even service unavailability. Proper quality of...
Provided by University of Rome
-
White Papers
Snap and Spread: A Self-Deployment Algorithm for Mobile Sensor Networks
April 2, 2008, 12:00am PDT
The use of mobile sensors is motivated by the necessity to monitor critical areas where sensor deployment cannot be performed manually. In these working scenarios, sensors must adapt their initial...
Provided by University of Rome
-
White Papers
An Autonomic Admission Control Policy for Distributed Web Systems
January 1, 2012, 12:00am PST
This paper tackles the problem of autonomic admission control for web clusters. The main contribution of this paper is the proposal of a new session admission algorithm that self-configures a...
Provided by University of Rome
-
White Papers
An OSPF Enhancement for Energy Saving in IP Networks
January 7, 2011, 12:00am PST
This paper deals with a strategy to save energy in an IP network during low traffic hours allowing a subset of IP router interfaces to be put in sleep mode by means of an Energy Aware Routing...
Provided by University of Rome
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White Papers
Performance Evaluation of the OCDM/WDM Technique for Optical Packet Switches
September 26, 2011, 12:00am PDT
The performance of the Optical Code Division Multiplexing/Wavelength Division Multiplexing (WDM/OCDM) technique for Optical Packet Switch is investigated. The impact on the performance of the...
Provided by University of Rome
-
White Papers
UWB Body Area Network Coexistence by Interference Mitigation
June 20, 2009, 12:00am PDT
This paper analyzes the performance of a BAN composed of IEEE 802.15.4a Ultra Wide Band (UWB) sensors in terms of Bit Error Rate (BER), BAN throughput and network lifetime. The BAN performance is...
Provided by University of Rome
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Whitepapers
Streamline: An Optimal Distribution Algorithm for Peer-to-Peer Real-Time Streaming
June 30, 2009, 12:00am PDT
In this paper, the authors propose and evaluate an overlay distribution algorithm for P2P, chunk-based, streaming systems over forest-based topologies. In such systems, the stream is divided in...
Provided by University of Rome
-
Whitepapers
OPSS: An Overlay Peer-to-Peer Streaming Simulator for Large-Scale Networks
June 20, 2007, 12:00am PDT
In this paper, the authors present OPSS, an Overlay Peer-to-peer Streaming Simulator designed to simulate large scale (i.e. in the order of 100K nodes) peer-to-peer streaming systems. OPSS is able...
Provided by University of Rome
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Whitepapers
An OpenFlow-Based Testbed for Information Centric Networking
March 28, 2012, 12:00am PDT
Information-Centric Networking (ICN) is a novel networking paradigm which is attracting increasing attention by both academic and industrial researchers. In fact, it promises to provide...
Provided by University of Rome
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Whitepapers
Achieving Scalability in the UPMT Mobility Management Solution
April 11, 2010, 12:00am PDT
UPMT (Universal Per-application Mobility management using Tunnels) has been proposed as an application level solution for mobility management. Main features of UPMT are the "Per-application"...
Provided by University of Rome
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Whitepapers
UPMT: Universal Per-Application Mobility Management Using Tunnels
August 12, 2009, 12:00am PDT
In this paper, the authors describe an application level Mobility Management mechanism for IP networks, called UPMT (Universal Per-Application Mobility management using Tunnels). The mechanism is...
Provided by University of Rome
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Whitepapers
Design and Implementation of Mobile Electronic Memos: A Tool to Capture and Share Information in Mobile Environments
August 28, 2009, 12:00am PDT
This paper introduces "MEMs" (Mobile Electronic Memos). MEMs are electronic notes consisting of a data structure associated with a specific class of information (e.g. information describing a...
Provided by University of Rome
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Whitepapers
A Theory-Driven Distribution Algorithm for Peer-to-Peer Real Time Streaming
August 12, 2008, 12:00am PDT
Many distribution algorithms have been proposed up to now for P2P real time streaming. However, due to the lack of basic theoretical results and bounds, common sense and intuitions and heuristics...
Provided by University of Rome
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Whitepapers
Simple Mobile Services for IMS
June 24, 2008, 12:00am PDT
In this paper, the authors present an open source platform for mobile services execution and creation that has been ported to work into the IMS architecture. The platform has been developed in the...
Provided by University of Rome
-
Whitepapers
Gymkhana: A Connectivity-Based Routing Scheme for Cognitive Radio Ad Hoc Networks
March 24, 2010, 12:00am PDT
The topology of a cognitive radio ad hoc network is highly influenced by the behavior of both licensed (primary) and unlicensed (secondary) users. In fact, the network connectivity could be...
Provided by University of Rome
-
Whitepapers
Automatic Control Software Synthesis for Quantized Discrete Time Hybrid Systems
July 18, 2012, 12:00am PDT
Many Embedded Systems are indeed Software Based Control Systems (SBCSs). An SBCS consists of two main subsystems: the controller and the plant. Typically, the plant is a physical system...
Provided by University of Rome
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Whitepapers
On Model Based Synthesis of Embedded Control Software
July 19, 2012, 12:00am PDT
Many Embedded Systems are indeed Software Based Control Systems (SBCSs) that is control systems whose controller consists of control software running on a microcontroller device. This motivates...
Provided by University of Rome
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Whitepapers
A Push-Based Scheduling Algorithm for Large Scale P2P Live Streaming
November 15, 2007, 12:00am PST
In this paper, the authors present a chunk scheduling algorithm for a mesh-based peer-to-peer live streaming system and they evaluate it by simulations over large-scale networks. Literature papers...
Provided by University of Rome
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Whitepapers
User Plane Security Alternatives in the 3G Evolved Multimedia Broadcast Multicast Service (e-MBMS)
May 30, 2008, 12:00am PDT
The Multimedia Broadcast Multicast Service (MBMS) has been included in the 3GGP architecture to provide broadcast/multicast services. In the 3GPP Long Term Evolution, the evolved MBMS (e-MBMS)...
Provided by University of Rome
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Whitepapers
Mobile Electronic Memos: A Novel Approach to Mobile Advertising
August 28, 2009, 12:00am PDT
This paper describes a new approach to mobile advertising, providing users with a compelling experience through a new versatile aggregator of information called Mobile Electronic Memo. Security...
Provided by University of Rome
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Whitepapers
Supporting Information-Centric Functionality in Software Defined Networks
March 24, 2012, 12:00am PDT
The Information-Centric Networking (ICN) paradigm is expected to be one of the major innovation of the Future Internet An ICN can be characterized by some key components like: the content-centric...
Provided by University of Rome
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Whitepapers
Defining and Using Profiles to Personalize and Manage Reconfigurable Services
January 1, 2012, 12:00am PST
As ICT services are becoming more ubiquitous, mobile and personalized, the authors are witnessing an increasing importance of two related needs: the necessity of defining, managing and storing...
Provided by University of Rome
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Whitepapers
Design and Development Tools for Next Generation Mobile Services
June 1, 2007, 12:00am PDT
The actual standards for service authoring, composition and development are not easy to port and to apply for next generation mobile applications. This paper describes some tools that the authors...
Provided by University of Rome
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Whitepapers
SMILE - Simple Middleware Independent LayEr for Distributed Mobile Applications
January 3, 2008, 12:00am PST
In this paper, the authors introduce SMILE (Simple Middleware Independent LayEr), a framework whose main purpose is to facilitate the development of distributed applications. In the SMILE...
Provided by University of Rome
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Whitepapers
Performance Evaluation of Vertical Handover Mechanisms in IP Networks
January 3, 2008, 12:00am PST
In this paper, the authors discuss a methodology for performance evaluation of the solutions for vertical handovers between different wireless access technologies in IP network. The performance...
Provided by University of Rome
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Whitepapers
The SIM Card as an Enabler for Security, Privacy, and Trust in Mobile Services
April 11, 2008, 12:00am PDT
The paper describes an architecture for mobile services where the SIM card is integrated for providing basic services related to security, privacy, and trust. The presented work is part of a...
Provided by University of Rome
-
Whitepapers
Simple Mobile Services for IMS
June 24, 2008, 12:00am PDT
In this paper, the authors present an open source platform for mobile services execution and creation that has been ported to work into the IMS architecture. The platform has been developed in the...
Provided by University of Rome
-
Whitepapers
A Theory-Driven Distribution Algorithm for Peer-to-Peer Real Time Streaming
August 12, 2008, 12:00am PDT
Many distribution algorithms have been proposed up to now for P2P real time streaming. However, due to the lack of basic theoretical results and bounds, common sense and intuitions and heuristics...
Provided by University of Rome
-
Whitepapers
Design and Implementation of Mobile Electronic Memos: A Tool to Capture and Share Information in Mobile Environments
August 28, 2009, 12:00am PDT
This paper introduces "MEMs" (Mobile Electronic Memos). MEMs are electronic notes consisting of a data structure associated with a specific class of information (e.g. information describing a...
Provided by University of Rome
-
Whitepapers
UPMT: Universal Per-Application Mobility Management Using Tunnels
August 12, 2009, 12:00am PDT
In this paper, the authors describe an application level Mobility Management mechanism for IP networks, called UPMT (Universal Per-Application Mobility management using Tunnels). The mechanism is...
Provided by University of Rome
-
Whitepapers
Achieving Scalability in the UPMT Mobility Management Solution
April 11, 2010, 12:00am PDT
UPMT (Universal Per-application Mobility management using Tunnels) has been proposed as an application level solution for mobility management. Main features of UPMT are the "Per-application"...
Provided by University of Rome
-
Whitepapers
An OpenFlow-Based Testbed for Information Centric Networking
March 28, 2012, 12:00am PDT
Information-Centric Networking (ICN) is a novel networking paradigm which is attracting increasing attention by both academic and industrial researchers. In fact, it promises to provide...
Provided by University of Rome
-
Whitepapers
OPSS: An Overlay Peer-to-Peer Streaming Simulator for Large-Scale Networks
June 20, 2007, 12:00am PDT
In this paper, the authors present OPSS, an Overlay Peer-to-peer Streaming Simulator designed to simulate large scale (i.e. in the order of 100K nodes) peer-to-peer streaming systems. OPSS is able...
Provided by University of Rome
-
Whitepapers
Streamline: An Optimal Distribution Algorithm for Peer-to-Peer Real-Time Streaming
June 30, 2009, 12:00am PDT
In this paper, the authors propose and evaluate an overlay distribution algorithm for P2P, chunk-based, streaming systems over forest-based topologies. In such systems, the stream is divided in...
Provided by University of Rome
-
White Papers
UWB Body Area Network Coexistence by Interference Mitigation
June 20, 2009, 12:00am PDT
This paper analyzes the performance of a BAN composed of IEEE 802.15.4a Ultra Wide Band (UWB) sensors in terms of Bit Error Rate (BER), BAN throughput and network lifetime. The BAN performance is...
Provided by University of Rome
-
White Papers
Performance Evaluation of the OCDM/WDM Technique for Optical Packet Switches
September 26, 2011, 12:00am PDT
The performance of the Optical Code Division Multiplexing/Wavelength Division Multiplexing (WDM/OCDM) technique for Optical Packet Switch is investigated. The impact on the performance of the...
Provided by University of Rome
-
White Papers
An OSPF Enhancement for Energy Saving in IP Networks
January 7, 2011, 12:00am PST
This paper deals with a strategy to save energy in an IP network during low traffic hours allowing a subset of IP router interfaces to be put in sleep mode by means of an Energy Aware Routing...
Provided by University of Rome
-
White Papers
An Autonomic Admission Control Policy for Distributed Web Systems
January 1, 2012, 12:00am PST
This paper tackles the problem of autonomic admission control for web clusters. The main contribution of this paper is the proposal of a new session admission algorithm that self-configures a...
Provided by University of Rome
-
White Papers
Snap and Spread: A Self-Deployment Algorithm for Mobile Sensor Networks
April 2, 2008, 12:00am PDT
The use of mobile sensors is motivated by the necessity to monitor critical areas where sensor deployment cannot be performed manually. In these working scenarios, sensors must adapt their initial...
Provided by University of Rome
-
White Papers
Self-Overload Control for Distributed Web Systems
April 7, 2008, 12:00am PDT
Unexpected increases in demand and most of all flash crowds are considered the bane of every web application as they may cause intolerable delays or even service unavailability. Proper quality of...
Provided by University of Rome
-
White Papers
Autonomous Deployment of Self-Organizing Mobile Sensors for a Complete Coverage
October 1, 2008, 12:00am PDT
In this paper, the authors propose an algorithm for the autonomous deployment of mobile sensors over critical target areas where sensors cannot be deployed manually. The application of their...
Provided by University of Rome
-
White Papers
Variable Density Deployment and Topology Control for the Solution of the Sink-Hole Problem
September 12, 2009, 12:00am PDT
The use of mobile sensors is of great relevance to monitor critical areas where sensors cannot be deployed manually. The presence of data collector sinks causes increased energy depletion in their...
Provided by University of Rome
-
White Papers
Autonomous Deployment of Heterogeneous Mobile Sensors
September 2, 2009, 12:00am PDT
In this paper, the authors address the problem of deploying heterogeneous mobile sensors over a target area. They show how traditional approaches designed for homogeneous networks fail when...
Provided by University of Rome
-
White Papers
Mobile Sensor Deployment in Unknown Fields
December 29, 2009, 12:00am PST
In this paper, the authors propose GREASE, a distributed algorithm to deploy mobile sensors in an unknown environment with obstacles and field asperities that may cause sensing anisotropies and...
Provided by University of Rome
-
White Papers
MobiBar: Barrier Coverage With Mobile Sensors
July 26, 2011, 12:00am PDT
Critical homeland security applications such as monitoring zones contaminated by chemical or biological attacks and monitoring the spread of forest fires, require the timely creation of barrier of...
Provided by University of Rome
-
White Papers
Self-Through Self-Learning: Overload Control for Distributed Web Systems
January 1, 2012, 12:00am PST
Overload control is a challenging problem for web-based applications, which are often prone to unexpected surges of traffic. Existing solutions are still far from guaranteeing the necessary...
Provided by University of Rome
-
White Papers
Enabling Backbone Networks to Sleep
January 5, 2011, 12:00am PST
Today, backbone networks of Telecom operators deploy a large number of devices and links. This is mainly due to both redundancy purposes for network service reliability, and resource...
Provided by University of Rome
-
White Papers
Generalized Access for MIMO Cognitive Radios
September 28, 2007, 12:00am PDT
Main goal of this paper is to give insight on the possibile performance improvement arising in the wireless local and/or "Ad-hoc" access from the synergic cooperation of two emerging paradigms,...
Provided by University of Rome
-
White Papers
Show Me Your Friends and I'll Tell You What You Like
August 23, 2010, 12:00am PDT
Pocket Switched Networks (PSN), where humans carry short-range communicating devices such as PDAs, lap-tops, or smart phones, have attracted the attention of many researchers in recent years....
Provided by University of Rome
-
White Papers
Social-Aware Stateless Forwarding in Pocket Switched Networks
January 14, 2011, 12:00am PST
In this paper, the authors describe SANE, the first forwarding mechanism that combines the advantages of both social-aware and stateless approaches in pocket switched network routing. SANE is...
Provided by University of Rome
-
White Papers
Detailed Analysis of TCP Fairness Issues in IEEE 802.11 Networks and Their Solution Using a Rate Control Approach
January 1, 2011, 12:00am PST
In this paper, the authors study the problem of maintaining fairness for TCP connections in Wireless Local Area Networks (WLANs) based upon the IEEE 802.11 standard. Current implementations of...
Provided by University of Rome
-
White Papers
Identification of Packet Exchange Patterns Based on Energy Detection: The Bluetooth Case
January 21, 2011, 12:00am PST
A time-domain recognition of different wireless technologies may be obtained using energy detection. In this paper, an energy detector was implemented using the Universal Software Radio Peripheral...
Provided by University of Rome
-
White Papers
Hybrid Modelling of Ultra Wide Band Self-Organizing Networks
January 1, 2011, 12:00am PST
Hybrid systems formalism is used to derive a model for a self-organizing network of nodes that operate according to the UWB principle. The authors model the rules that lead to the formation of the...
Provided by University of Rome
-
White Papers
Constraining the Network Topology in IEEE 802.15.4
January 15, 2008, 12:00am PST
The IEEE 802.15.4 standard defines a MAC association procedure that allows devices of a Wireless Personal Area Network (WPAN) to associate one each other in accordance to parent-child...
Provided by University of Rome
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