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Rensselaer Polytechnic Institute
(94 results)-
White Papers
A Note on Statistically Detecting Tampered Type Attacks
April 8, 2008, 12:00am PDT
Information integrity of communication data is crucial to e-business systems. An adversary may delete or insert packets into a normal communication data series in e-business systems to destroy...
Provided by Rensselaer Polytechnic Institute
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White Papers
A Principle of a Data Synthesizer for Performance Test of Anti-DDOS Flood Attacks
March 17, 2008, 12:00am PDT
Distributed Denial-Of-Service (DDOS) flood attacks remain a big issue in network security. Real events of DDOS flood attacks show that an attacked site (e.g., server) usually may not be...
Provided by Rensselaer Polytechnic Institute
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White Papers
Multi-Element Array Antennas for Free-Space Optical Communication
January 1, 2010, 12:00am PST
This paper examines the feasibility of using 2-dimensional multiple element array antennas for free-space optical communications. Spatial diversity due to multiple antennas on 2-d arrays can...
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White Papers
CAVES: A Configurable Application View Storage System
January 1, 2010, 12:00am PST
Storage management is a well-known method for improving the efficiency of data intensive and networked applications. Today's data management systems handle many non-traditional data formats,...
Provided by Rensselaer Polytechnic Institute
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White Papers
Price of Stability in Survivable Network Design
July 21, 2009, 12:00am PDT
This paper studies the survivable version of the game theoretic network formation model known as the Connection Game, originally introduced in. In this model, players attempt to connect to a...
Provided by Rensselaer Polytechnic Institute
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White Papers
Instance Data Evaluation for Semantic Web-Based Knowledge Management Systems
September 15, 2008, 12:00am PDT
As semantic web technologies are increasingly used to empower Knowledge Management Systems (KMSs), there is a growing need for mechanisms and automated tools for checking content generated by...
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White Papers
The Internet Operating System: Middleware for Adaptive Distributed Computing
June 1, 2007, 12:00am PDT
Large-scale, dynamic, and heterogeneous networks of computational resources (a.k.a. Grids) promise to provide high performance and scalability to computationally intensive applications. To fulfill...
Provided by Rensselaer Polytechnic Institute
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White Papers
LOGML - XML Language for Web Usage Mining
January 1, 2010, 12:00am PST
This paper proposes a new XML language, LOGML. LOGML is a web-log report description language. This paper generates web-log reports in LOGML format for a web site from web log files and the web...
Provided by Rensselaer Polytechnic Institute
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White Papers
Power Optimal Connectivity and Coverage in Wireless Sensor Networks
January 1, 2010, 12:00am PST
This work considers a sensor network which is comprised of a large number of sensor nodes communicating with RF links. The authors assume that sensor nodes are deployed in an ad-hoc fashion so as...
Provided by Rensselaer Polytechnic Institute
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White Papers
Optimally Increasing Secure Connectivity in Multi-Hop Wireless Ad Hoc Networks
August 6, 2010, 12:00am PDT
This paper considers the problem of how to maximize secure connectivity of multi-hop wireless ad hoc networks after deployment. Two approaches, based on graph augmentation problems with nonlinear...
Provided by Rensselaer Polytechnic Institute
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White Papers
Agent-Based Simulation Of Electricity Markets: A Survey Of Tools
June 17, 2009, 12:00am PDT
Agent-based simulation has been a popular technique in modeling and analyzing electricity markets in recent years. The main objective of this paper is to study existing agent-based simulation...
Provided by Rensselaer Polytechnic Institute
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White Papers
Do Falling Import Prices Increase Market Demand For Domestically Produced Consumer Goods?
July 1, 2007, 12:00am PDT
Rising exchange rates can lower prices on imported consumer goods. The lower prices have two effects. A substitution effect shifts in demand from domestically produced goods to imports. An income...
Provided by Rensselaer Polytechnic Institute
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White Papers
Was Keynes Right? Does Current Year Disposable Income Drive Consumption Spending?
July 1, 2007, 12:00am PDT
In the Keynesian consumption function, current income is asserted to be the main determinant of consumption. This paper examines the extent to which the Keynesian consumption function explains...
Provided by Rensselaer Polytechnic Institute
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White Papers
Tracking Global Factor Inputs, Factor Earnings, And Emissions Associated With Consumption In A World Modeling Framework
November 1, 2007, 12:00am PDT
This paper presents a new approach for estimating the amount of carbon embodied in a product consumed in a given economy, taking account of where the inputs to that product were extracted and...
Provided by Rensselaer Polytechnic Institute
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White Papers
The Consumption Function
January 1, 2008, 12:00am PST
Keynes held that, mainly, it was current income that determined the demand for consumer goods and services. He also suggested wealth, interest rates, and taxes may have smaller effects. Little...
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White Papers
A Method For Separating Income & Substitution Effects Of Exchange Rate Changes On Aggregate Demand
February 1, 2009, 12:00am PST
Regression estimates of exchange rate total effects on aggregate demand are broken into separate income and substitution effects. Total effects estimates can seem contrary to theory. Separating...
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White Papers
Embodied Resource Flows And Product Flows: Combining The Absorbing Markov Chain With The Input-Output Model
January 1, 2010, 12:00am PST
The authors develop the Absorbing Markov Chain (AMC) for describing in detail the network of paths through an industrial system taken by an embodied resource from extraction through intermediate...
Provided by Rensselaer Polytechnic Institute
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White Papers
Mineral Resources: Stocks, Flows, And Prospects
January 1, 2010, 12:00am PST
This paper focuses on metals as they provide the clearest example of the challenges and opportunities that mineral resources present to society, in terms of both primary production and recycling....
Provided by Rensselaer Polytechnic Institute
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White Papers
Sectors May Use Multiple Technologies Simultaneously: The Rectangular Choice-Of-Technology Model With Binding Factor Constraints
October 1, 2010, 12:00am PDT
The authors develop the rectangular choice-of-technology model with factor constraints, or RCOT, for analysis of the economy of a single region, or of multiple regions in the context of a model of...
Provided by Rensselaer Polytechnic Institute
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White Papers
The Relevance Of Evolutionary Science For Economic Theory And Policy
November 1, 2010, 12:00am PDT
This white paper emphasizes the relevance of evolutionary science as a way to integrate the SBE sciences, similar to the integration that is more advanced in the biological sciences. Modern...
Provided by Rensselaer Polytechnic Institute
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White Papers
Discounting, Ethics, And Options For Maintaining Biodiversity And Ecosystem Integrity
December 1, 2010, 12:00am PST
This paper presents the economic logic behind the concept of discounting the future and discusses how it applies to biodiversity conservation. How should economists account for the effects of...
Provided by Rensselaer Polytechnic Institute
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White Papers
Behavioral Economics, Neuroeconomics, And Climate Change Policy: Baseline Review For The Garrison Institute Initiative On Climate Change Leadership
December 1, 2010, 12:00am PST
In spite of the increasing scientific certainty that the earth's climate is warming and that human activity is partially responsible, public willingness to take steps to reduce greenhouse gas...
Provided by Rensselaer Polytechnic Institute
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White Papers
Comparison of Object-Oriented and Functional Programming for Code Generation
April 21, 2010, 12:00am PDT
Creating software systems begins with creating abstractions that model the problem and/or solution. The most popular paradigm for creating these abstractions is Object-Oriented Programming (OOP),...
Provided by Rensselaer Polytechnic Institute
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White Papers
Measuring Behavioral Trust in Social Networks
April 1, 2010, 12:00am PDT
Trust is an important yet complex and little understood dyadic relation among actors in a social network. There are many dimensions to trust; trust plays an important role in the formation of...
Provided by Rensselaer Polytechnic Institute
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White Papers
Active Attacks Against Modulation-Based Radiometric Identification
August 3, 2009, 12:00am PDT
Radiometric identification is a recently coined term that describes a broad category of techniques for determining the identity of a wireless device based on unique characteristics of its...
Provided by Rensselaer Polytechnic Institute
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White Papers
Static Analysis for Understanding Shared Objects in Open Concurrent Java Programs
August 6, 2010, 12:00am PDT
Concurrent programming with shared memory in an object-oriented language such as Java is notoriously difficult. Therefore, it is important to study new program understanding techniques for...
Provided by Rensselaer Polytechnic Institute
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White Papers
Practical Static Analysis for Inference of Security-Related Program Properties
February 8, 2009, 12:00am PST
The authors present a static analysis framework for inference of security-related program properties. Within this framework the authors design and implement ownership, immutability and information...
Provided by Rensselaer Polytechnic Institute
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White Papers
Ownership and Immutability Inference for UML-Based Object Access Control
December 31, 2007, 12:00am PST
The authors propose a mechanism for object access control which is based on the UML. Specifically, they propose use of ownership and immutability constraints on UML associations and verification...
Provided by Rensselaer Polytechnic Institute
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White Papers
ASAND: Asynchronous Slot Assignment and Neighbor Discovery Protocol for Wireless Networks
January 10, 2008, 12:00am PST
Slot assignment is crucial for time-multiplexed channel access schemes. All existing approaches for slot assignment assume that the network nodes are synchronized with high precision, which is...
Provided by Rensselaer Polytechnic Institute
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White Papers
Recursive Data Mining for Author and Role Identification
May 19, 2008, 12:00am PDT
Like paintings and verbal dialogues, written documents exhibit the author's distinctive style and identification of the author of an anonymous document is an important and challenging task in...
Provided by Rensselaer Polytechnic Institute
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White Papers
Owl: sameAs and Linked Data: An Empirical Study
April 27, 2010, 12:00am PDT
Linked Data is a steadily growing presence on the Web. In Linked Data, the description of resources can be obtained incrementally by dereferencing the URIs of resources via the HTTP protocol. The...
Provided by Rensselaer Polytechnic Institute
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White Papers
Joint Problem of Power Optimal Connectivity and Coverage in Wireless Sensor Networks
January 1, 2011, 12:00am PST
This work considers a multi-hop sensor network which is comprised of a large number of sensor nodes communicating with RF links. The authors assume that sensor nodes are deployed in an ad-hoc...
Provided by Rensselaer Polytechnic Institute
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White Papers
A Semantic Wiki Based Light-Weight Web Application Model
October 26, 2009, 12:00am PDT
Wikis are a well-known Web 2.0 content management platform. The recent introduction of semantic wikis extends the capabilities of conventional wikis by allowing users to edit and query structured...
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White Papers
Physical Carrier Sensing Outage in Single Hop IEEE 802.11 Ad Hoc Networks With Slowly Moving Stations
April 3, 2008, 12:00am PDT
Physical Carrier Sensing plays a crucial role in the effectiveness of CSMA-based MAC protocols, yet its properties and impact on the system performance under slow fading channel have not been well...
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White Papers
An Efficient Model of 802.11 Ad Hoc Networks Under a Block-Fading Rayleigh Channel With Physical Layer Capture
December 4, 2008, 12:00am PST
The authors present a model that predicts the saturated single-hop performance of IEEE 802.11 ad hoc network in the face of the physical capture effect under a block-fading Rayleigh channel. Based...
Provided by Rensselaer Polytechnic Institute
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White Papers
Performance Modeling of 802.11 Ad Hoc Networks With Time-Varying Carrier Sense Range and Physical Capture Capability
December 4, 2008, 12:00am PST
In a slow fading environment, the carrier sense range is not constant, so there is not a constant set of hidden terminals for a mobile station. The probability of capture with a set of interferers...
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White Papers
Efficient Structure Learning of Bayesian Networks Using Constraints
March 3, 2011, 12:00am PST
This paper addresses the problem of learning Bayesian network structures from data based on score functions that are decomposable. It describes properties that strongly reduce the time and memory...
Provided by Rensselaer Polytechnic Institute
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White Papers
A Distributed Coordination Scheme to Improve the Performance of IEEE 802.11 in Multi-Hop Networks
March 3, 2009, 12:00am PST
This paper investigates the performance of IEEE 802.11 in multi-hop scenarios and shows how its aggressive behavior can throttle the spatial reuse and reduce bandwidth efficiency. An adaptive,...
Provided by Rensselaer Polytechnic Institute
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White Papers
Queueing Analysis of Polled Service Classes in the IEEE 802.16 MAC Protocol
September 14, 2009, 12:00am PDT
This paper considers the performance of the polling based service classes of IEEE 802.16 based broadband wireless access networks and develops queueing models to evaluate their delay distributions...
Provided by Rensselaer Polytechnic Institute
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White Papers
Agency Cost And Dividend: Evidence From Anti-Takeover Legislation
September 13, 2007, 12:00am PDT
The paper uses an exogenous shock-passage of Anti-Takeover Laws as proxies of increased agency cost to investigate the relation between managerial entrenchment and dividend policy for a large...
Provided by Rensselaer Polytechnic Institute
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Whitepapers
High Efficiency, High Switching Speed, AlGaAs/Gaas P-HEMT DC-DC Converter for Integrated Power Amplifier Modules
September 4, 2010, 12:00am PDT
In wireless communication systems, the efficiency of the Radio Frequency Power Amplifiers (RF-PA) dominates the power consumption of the radio transceiver. In addition, to improve spectral...
Provided by Rensselaer Polytechnic Institute
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White Papers
Evaluation of Privacy Preserving Algorithms Using Traffic Knowledge Based Adversary Models
July 29, 2011, 12:00am PDT
By providing location traces of individual vehicles, mobile traffic sensors have quickly emerged as an important data source for traffic applications. In dealing with the privacy issues associated...
Provided by Rensselaer Polytechnic Institute
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White Papers
Parallel I/O Performance for Application-Level Checkpointing on the Blue Gene/P System
July 28, 2011, 12:00am PDT
As the number of processors increases to hundreds of thousands in parallel computer architectures, the failure probability rises correspondingly, making fault tolerance a highly important and...
Provided by Rensselaer Polytechnic Institute
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White Papers
Bio-Inspired Multi-Period Routing Algorithms in Delay Tolerant Networks
August 14, 2011, 12:00am PDT
In this paper, inspired by the impact of incubation period on epidemic dynamics, the authors present a class of routing algorithms for Delay Tolerant Networks (DTN) in which the copies or coded...
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White Papers
Analysis of Cost-Quality Tradeoff in Cooperative Ad Hoc Sensor Networks
September 1, 2008, 12:00am PDT
In wireless ad hoc sensor networks, cooperation of nodes provides sensors with a broader range of information, often leading to an improvement in network's ability to meet its global objectives....
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White Papers
Relational Algebra Coarse Grained Query Cost Models for DDFDs
September 16, 2010, 12:00am PDT
This paper defines a number of Query models used to visualize and explore the performance of Relational Algebra queries evaluated in a Dynamic, Distributed and Federated Database with a number of...
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White Papers
Self-Healing Routing for Wireless Ad Hoc Sensor Networks
July 10, 2007, 12:00am PDT
This paper presents a novel protocol, Self-Healing Routing (SHR), for opportunistic multi-hop wireless communication. The protocol uses broadcast communication and a prioritized slotted...
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White Papers
Dynamic Service Composition in Sensor Networks
February 28, 2010, 12:00am PST
Service modeling and composition is a fundamental method for offering advanced functionality by combining a set of primitive services provided by the system. Unlike in the case of web services for...
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White Papers
A Model-Driven Approach to the Construction, Composition and Analysis of Services on Sensor Networks
July 26, 2010, 12:00am PDT
This paper investigates the application of model-driven techniques to the construction and composition of services on sensor networks. The authors present a model that gives the user a visual...
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White Papers
Sensors as a Service Oriented Architecture: Middleware for Sensor Networks
July 28, 2010, 12:00am PDT
There is a significant challenge in designing, optimizing, deploying and managing complex sensor networks over heterogeneous communications infrastructures. The ITA Sensor Fabric addresses these...
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White Papers
Cognitive and Self-Healing Algorithms for Fault Tolerant Routing
September 15, 2007, 12:00am PDT
New approaches to Quality-of-Service (QoS) Rout-ing in wireless sensor networks which use different forms of learning are the subject of this paper. The Cognitive Packet Network (CPN) algorithm...
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White Papers
An End-to-End Transport Protocol for Extreme Wireless Network Environments
January 1, 2012, 12:00am PST
As the Joint forces move towards the vision of Network-Centric Warfare (NCW), it is extremely important that the network services be reliable and dependable, even under degraded network...
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White Papers
MPLOT: A Transport Protocol Exploiting Multipath Diversity Using Erasure Codes
January 15, 2008, 12:00am PST
In this paper, the authors propose a novel transport protocol that effectively utilizes available bandwidth and diversity gains provided by heterogeneous, highly lossy paths. Their Multi-Path...
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White Papers
A Distributed System for Cooperative MIMO Transmissions
October 20, 2008, 12:00am PDT
In this paper, the authors propose a distributed system for facilitating cooperative MIMO transmissions in networks without multiple antenna devices. MIMO diversity is achieved by employing groups...
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White Papers
Fine Grain Adaptive Fec (FGA-FEC) Over Wireless Networks
August 5, 2007, 12:00am PDT
In this paper, the authors extend their proposed FGA-FEC coding scheme, a generalized MD-FEC method, to wireless networks. To protect the encoded scalable video bitstream over a lossy channel and...
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White Papers
Distributed Fine Grain Adaptive-FEC Scheme for Scalable Video Streaming
November 19, 2007, 12:00am PST
In this paper, the authors investigate a distributed Fine Grain Adaptive FEC (FGA-FEC) scheme for scalable video streaming to heterogeneous users over a congested multihop network, where they do...
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White Papers
Energy Efficient Cooperative MIMO Systems
July 3, 2007, 12:00am PDT
In this paper, the authors propose an energy efficient cooperative MIMO system. Space-Time Block Codes (STBC) and code combining techniques are applied to utilize the inherent spatial diversity in...
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White Papers
A Distributed Cooperative Target Tracking With Binary Sensor Networks
February 21, 2008, 12:00am PST
Target tracking is a typical and important cooperative sensing application of wireless sensor networks. The authors study it in its most basic form, assuming the binary sensing model in which each...
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White Papers
A Cost-Quality Tradeoff in Cooperative Sensor Networking
February 21, 2008, 12:00am PST
Wireless sensor networks consist of a large number of sensor nodes, each of which senses, computes and communicates with other nodes to collect and process data about the environment. Those...
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White Papers
Distributed Target Tracking With Imperfect Binary Sensor Networks
March 31, 2008, 12:00am PDT
The authors study target tracking with wireless sensor networks in its most basic form, assuming the binary sensing model in which each sensor can return only 1-bit information regarding target's...
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White Papers
Time Dependent Message Spraying for Routing in Intermittently Connected Networks
January 1, 2011, 12:00am PST
Intermittently connected mobile networks, also called Delay Tolerant Networks (DTN) are wireless networks in which at any given time instance, the probability of having a complete path from a...
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White Papers
Minimizing Average Spraying Cost for Routing in Delay Tolerant Networks
January 1, 2011, 12:00am PST
In this paper, the authors study cost efficient multi-copy spraying algorithm for routing in Delay Tolerant Networks (DTN) in which source-to-destination path does not exist most of the time. They...
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White Papers
Balancing Cost-Quality Tradeoff in Cooperative Ad Hoc Sensor Networks
January 1, 2011, 12:00am PST
In wireless ad hoc and sensor networks, each node is capable of functioning using only its local information about the environment. However, such a node can reach only locally optimal decisions...
Provided by Rensselaer Polytechnic Institute
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White Papers
Impact of Social Networks in Delay Tolerant Routing
January 1, 2011, 12:00am PST
Delay Tolerant Networks (DTNs) are wireless networks in which at any given time instance, the probability of having a complete path from a source to destination is low due to the intermittent...
Provided by Rensselaer Polytechnic Institute
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White Papers
PCFG Based Synthetic Mobility Trace Generation
March 7, 2010, 12:00am PST
This paper introduces a novel method of generating mobility traces based on Probabilistic Context Free Grammars (PCFGs). A PCFG is a generalization of a context free grammar in which each...
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White Papers
On Secure Multi-Copy Based Routing in Compromised Delay Tolerant Networks
May 11, 2011, 12:00am PDT
Routing in Delay Tolerant Networks (DTNs) is challenging due to their unique characteristics of intermittent node connectivity. Different protocols (single-copy, multi-copy, erasure-coding-based...
Provided by Rensselaer Polytechnic Institute
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White Papers
Wavelet Based Detection of Session Hijacking Attacks in Wireless Networks
August 16, 2008, 12:00am PDT
This paper develops a mechanism for detecting session hijacking attacks in wireless networks. The proposed scheme is based on detecting abrupt changes in the strength of the received signal. The...
Provided by Rensselaer Polytechnic Institute
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White Papers
Does Emerging Market Liberalization Help Or Hinder Local Monetary Policy?
November 26, 2007, 12:00am PST
The authors find that following market liberalization stock returns are sensitive to monetary policy shocks in 13 of 18 emerging markets. Prior to liberalization they are not. Whether or not...
Provided by Rensselaer Polytechnic Institute
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White Papers
Scheduling Algorithms for Point-to-Multipoint Operation in IEEE 802.16 Networks
January 1, 2011, 12:00am PST
The authors study the resource allocation problem in OFDMA based 802.16 broadband wireless access systems. Frequency and time resources must be allocated by a central controller (Base Station) to...
Provided by Rensselaer Polytechnic Institute
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White Papers
VTL Zone-Aware Path Cloaking Algorithm
July 31, 2011, 12:00am PDT
Traffic engineering applications often benefit from collecting vehicle GPS traces in well-defined locations. As a motivating example, the authors will consider a traffic signal performance...
Provided by Rensselaer Polytechnic Institute
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White Papers
Efficient Broadcast in MANETs Using Network Coding and Directional Antennas
January 14, 2008, 12:00am PST
In this paper, the authors consider the issue of efficient broadcasting in Mobile Ad hoc NETworks (MANETs) using network coding and directional antennas. Network coding-based broadcasting focuses...
Provided by Rensselaer Polytechnic Institute
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White Papers
Energy Efficient Collision Aware Multipath Routing for Wireless Sensor Networks
February 7, 2009, 12:00am PST
Multipath routing can reduce the need for route updates, balance the traffic load and increase the data transfer rate in a wireless sensor network, improving the utilization of the limited energy...
Provided by Rensselaer Polytechnic Institute
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White Papers
Self-Selecting Reliable Path Routing in Diverse Wireless Sensor Network Environments
April 7, 2009, 12:00am PDT
Routing protocols for Wireless Sensor Networks (WSNs) face three major performance challenges. The first one is an efficient use of bandwidth that minimizes the transfer delay of packets between...
Provided by Rensselaer Polytechnic Institute
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White Papers
Distributed Target Tracking With Directional Binary Sensor Networks
August 4, 2009, 12:00am PDT
One of the most common and important applications of wireless sensor networks is target tracking. The authors study it in its most basic form, assuming the binary sensing model in which each...
Provided by Rensselaer Polytechnic Institute
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White Papers
A Participation Incentive Market Mechanism for Allocating Heterogeneous Network Services
August 6, 2009, 12:00am PDT
The combinatorial winner selection of the GVA mechanism allocates resources to bidders optimally for a single round of an auction. However, the recurring nature of auction for network resource...
Provided by Rensselaer Polytechnic Institute
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White Papers
Impact of Social Networks on Delay Tolerant Routing
August 8, 2009, 12:00am PDT
Delay Tolerant Networks (DTNs) are wireless networks in which at any given time instance, the probability of having a complete path from a source to destination is low due to the intermittent...
Provided by Rensselaer Polytechnic Institute
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White Papers
The Effect of Neighbor Graph Connectivity on Coverage Redundancy in Wireless Sensor Networks
May 1, 2010, 12:00am PDT
Coverage redundancy problem is one of the significant problems in wireless sensor networks. To reduce the energy consumption that arises when the high number of sensors is active, various coverage...
Provided by Rensselaer Polytechnic Institute
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White Papers
Cost Efficient Erasure Coding Based Routing in Delay Tolerant Networks
May 1, 2010, 12:00am PDT
Routing in Delay Tolerant Networks (DTNs) in which most of the nodes are mobile and intermittently connected is a challenging problem because of unpredictable node movements and lack of knowledge...
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White Papers
Conditional Shortest Path Routing in Delay Tolerant Networks
April 5, 2010, 12:00am PDT
Delay tolerant networks are characterized by the sporadic connectivity between their nodes and therefore the lack of stable end-to-end paths from source to destination. Since the future node...
Provided by Rensselaer Polytechnic Institute
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White Papers
An Energy Efficient Location Service for Mobile Ad Hoc Networks
April 23, 2010, 12:00am PDT
Location based routing protocols are heavily dependent on location services which provide the position information of the desired destination node. Seldom location service schemes include energy...
Provided by Rensselaer Polytechnic Institute
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