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Cornell University
(832 results)-
White Papers
How to Specify and How to Prove Correctness of Secure Routing Protocols for MANET
July 3, 2011, 12:00am PDT
Secure routing protocols for mobile ad hoc networks have been developed recently, yet, it has been unclear what are the properties they achieve, as a formal analysis of these protocols is mostly...
Provided by Cornell University
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White Papers
An Improved Link Model for Window Flow Control and Its Application to FAST TCP
January 2, 2008, 12:00am PST
This paper presents a link model which captures the queue dynamics in response to a change in a TCP source's congestion window. By considering both self-clocking and the link integrator effect,...
Provided by Cornell University
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White Papers
Cooperative Relaying With Side Information
January 8, 2010, 12:00am PST
The authors study the problem of cooperative communication in the case that the assisting node (i.e. the relay) has access to correlated information about the source that needs to be reconstructed...
Provided by Cornell University
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White Papers
New Results on Network Error Correction: Capacities and Upper Bounds
February 2, 2010, 12:00am PST
In this paper, the authors present new results on network error correction with unequal link capacities. They consider network error correction codes that can correct arbitrary errors occurring on...
Provided by Cornell University
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White Papers
On Achieving Local View Capacity Via Maximal Independent Graph Scheduling
April 30, 2010, 12:00am PDT
If one know more, one can achieve more. This adage also applies to networks, where more information about the network state translates into higher sum-rates. In this paper, the authors formalize...
Provided by Cornell University
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White Papers
Sum Degrees-of-Freedom of Two-Unicast Wireless Networks
September 27, 2011, 12:00am PDT
Characterizing network capacity is one of the central problems in network information theory. While this problem is in general unsolved, there has been considerable success in two research fronts....
Provided by Cornell University
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The Two-User Deterministic Interference Channel With Rate-Limited Feedback
April 28, 2010, 12:00am PDT
In this paper, the authors study the effect of rate-limited feedback on the sum-rate capacity of the deterministic interference channel. They characterize the sum-rate capacity of this channel in...
Provided by Cornell University
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White Papers
On the Maximum Throughput of Clandestine Sensor Networking
August 17, 2009, 12:00am PDT
The authors consider the problem of clandestine communications, i.e., communications that are meant to be invisible to third-party eavesdroppers, in the context of wireless sensor networks....
Provided by Cornell University
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White Papers
An Experimental Study of the Skype Peer-to-Peer VoIP System
January 1, 2008, 12:00am PST
Despite its popularity, relatively little is known about the traffic characteristics of the Skype VoIP system and how they differ from other P2P systems. The paper describes an experimental study...
Provided by Cornell University
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White Papers
Reactive Imperative Programming With Dataflow Constraints
April 13, 2011, 12:00am PDT
Dataflow languages provide natural support for specifying constraints between objects in dynamic applications, where programs need to react efficiently to changes of their environment. Researchers...
Provided by Cornell University
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White Papers
Optimization of Input Covariance Matrix for Multi-Antenna Correlated Channels
September 1, 2011, 12:00am PDT
Optimizing the input covariance matrix of a multiple-antenna transmit system with partial channelstructure feedback is an important issue to fully exploit the channel capacity. Efficient design of...
Provided by Cornell University
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White Papers
A Pairwise Abstraction for Round-Based Protocols
December 24, 2011, 12:00am PST
Distributed systems are hard to program, for a number of reasons. Some of these reasons are inherent. System state is scattered across multiple nodes, and is not random access. Bandwidth is an...
Provided by Cornell University
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White Papers
PadSteg: Introducing Inter-Protocol Steganography
April 3, 2011, 12:00am PDT
Hiding information in network traffic may lead to leakage of confidential information. In this paper, the authors introduce a new steganographic system: the PadSteg (Padding Steganography). To...
Provided by Cornell University
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White Papers
A Semantic Framework for Declassification and Endorsement
January 5, 2010, 12:00am PST
Language-based information flow methods offer a principled way to enforce strong security properties, but enforcing noninterference is too inflexible for realistic applications. Security-typed...
Provided by Cornell University
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White Papers
MultiMATLAB: MATLAB on Multiple Processors
January 1, 2008, 12:00am PST
MATLAB, a commercial product of The MathWorks, Inc., has become one of the principal languages of desktop scientific computing. A system is described that enables one to run MATLAB conveniently on...
Provided by Cornell University
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White Papers
Debunking Some Myths About Biometric Authentication
March 1, 2012, 12:00am PST
Biometric authentication systems are presented as the best way to reach high security levels in controlling access to IT systems or sensitive infrastructures. But several issues are often not...
Provided by Cornell University
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White Papers
Survey of Cognitive Radio Techniques in Wireless Network
April 29, 2011, 12:00am PDT
Wireless access networks were originally developed for different communication scenarios. Wireless networks aim to provide ubiquitous, flexible communications mainly in community areas. In...
Provided by Cornell University
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White Papers
Trusted - HB: A Low-Cost Version of HB+ Secure Against Man-in-the Middle Attacks
February 5, 2008, 12:00am PST
Since the introduction at Crypto'05 by Juels and Weis of the protocol HB+, a lightweight protocol secure against active attacks but only in a detection based-model, many works have tried to...
Provided by Cornell University
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White Papers
QKD Quantum Channel Authentication
February 1, 2008, 12:00am PST
Several simple yet secure protocols to authenticate the quantum channel of various QKD schemes, by coupling the photon sender's knowledge of a shared secret and the QBER Bob observes, are...
Provided by Cornell University
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White Papers
Sharing Mobile Code Securely With Information Flow Control
March 12, 2012, 12:00am PDT
Mobile code is now a nearly inescapable component of modern computing, thanks to client-side code that runs within web browsers. The usual tension between security and functionality is...
Provided by Cornell University
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White Papers
Grammatical Aspects for Language Descriptions
January 16, 2010, 12:00am PST
For the purposes of tool development, computer languages are usually described using context-free grammars with annotations such as semantic actions or pretty-printing instructions. These...
Provided by Cornell University
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White Papers
An Efficient Method for Multichannel Wireless Mesh Networks With Pulse Coupled Neural Network
February 1, 2012, 12:00am PST
Multi cast communication is a key technology for wireless mesh networks. Multicast provides efficient data distribution among a group of nodes, Generally sensor networks and MANETs uses multicast...
Provided by Cornell University
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White Papers
LMEEC: Layered Multi-Hop Energy Efficient Cluster-Based Routing Protocol for Wireless Sensor Networks
April 10, 2012, 12:00am PDT
In this paper, the authors propose LMEEC, a cluster-based routing protocol with low energy consumption for wireless sensor networks. Their protocol is based on a strategy which aims to provide a...
Provided by Cornell University
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White Papers
Data Gathering Scheme for Wireless Sensor Networks Using a Single Mobile Element
March 15, 2012, 12:00am PDT
In this paper, the authors investigate the problem of gathering the data in wireless sensor network using a single Mobile Element. In particular they consider the case where the data are produced...
Provided by Cornell University
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White Papers
A Novel Approach for Secure Data Aggregation in Wireless Sensor Networks
September 4, 2010, 12:00am PDT
The Wireless Sensor Networks (WSNs) are composed of resource starved sensor nodes that are deployed to sense, process and communicate vital information to the base station. Due to the stringent...
Provided by Cornell University
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White Papers
Optimizing the Replay Protection at the Link Layer Security Framework in Wireless Sensor Networks
May 18, 2010, 12:00am PDT
Ensuring communications security in Wireless Sensor Networks (WSNs) is very vital because the security protocols therein, should be devised to work at the link layer. Theoretically, any link layer...
Provided by Cornell University
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White Papers
Irida: A Real-Time Wireless Sensor Network Visualization Feedback Protocol
March 19, 2012, 12:00am PDT
In this paper, the authors describe the implementation of a real time visualization and feedback system for Wireless Sensor Network algorithms. The system is based on a fixed hardware testbed,...
Provided by Cornell University
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White Papers
A Fully Distributed Algorithm for Throughput Performance in Wireless Networks
March 18, 2012, 12:00am PDT
The authors study link scheduling in wireless networks under stochastic arrival processes of packets, and give an algorithm that achieves stability in the physical (SINR) interference model. The...
Provided by Cornell University
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A Greedy Link Scheduler for Wireless Networks With Fading Channels
March 9, 2012, 12:00am PST
The authors consider the problem of link scheduling for wireless networks with fading channels, where the link rates are varying with time. Due to the high computational complexity of the...
Provided by Cornell University
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White Papers
Algorithms for Wireless Capacity
March 2, 2012, 12:00am PST
In this paper, the authors address two basic questions in wireless communication: First, how long does it take to schedule an arbitrary set of communication requests? Second, given a set of...
Provided by Cornell University
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White Papers
Worst-Case Additive Noise in Wireless Networks
February 13, 2012, 12:00am PST
An important classical result in Information Theory states that the Gaussian noise is the worst-case additive noise in point-to-point channels. In this paper, the authors significantly generalize...
Provided by Cornell University
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White Papers
Design of Wireless Electronic Stethoscope Based on Zigbee
December 22, 2011, 12:00am PST
Heart sound stethoscope is primary stage to access diseases. In this paper design of an electronic stethoscope with the functions of wireless transmission is discussed. This electronic stethoscope...
Provided by Cornell University
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White Papers
Timely Throughput of Heterogeneous Wireless Networks: Fundamental Limits and Algorithms
January 26, 2012, 12:00am PST
Consumer demand for data services over wireless networks has increased dramatically in recent years, fueled both by the success of online video streaming and popularity of video-friendly mobile...
Provided by Cornell University
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White Papers
Stability of the Max-Weight Protocol in Adversarial Wireless Networks
January 15, 2012, 12:00am PST
In this paper, the authors consider the MAX-WEIGHT protocol for routing and scheduling in wireless networks under an adversarial model. This protocol has received a significant amount of attention...
Provided by Cornell University
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White Papers
Ricean Shadowed Statistical Characterization of Shallow Water Acoustic Channels for Wireless Communications
November 8, 2011, 12:00am PST
In this paper, the statistical behaviour of the shallow water acoustic channel for wireless communications is shown to be well characterized by the Ricean shadowed distribution, which has never...
Provided by Cornell University
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On the Impact of Energy Dissipation Model on Characteristic Distance in Wireless Networks
November 11, 2011, 12:00am PST
In this paper, the authors investigate the dependency of characteristic distance on energy dissipation model. Both the many-to-one and any-to-any communication paradigm have been presented for...
Provided by Cornell University
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Wireless Capacity and Admission Control in Cognitive Radio
January 19, 2012, 12:00am PST
The authors give algorithms with constant-factor performance guarantees for several capacity and throughput problems in the SINR model. The algorithms are all based on a novel LP formulation for...
Provided by Cornell University
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White Papers
Convergence Analysis of Saddle Point Problems in Time Varying Wireless Systems - Control Theoretical Approach
September 13, 2011, 12:00am PDT
Saddle point problems arise from many wireless applications, and primal-dual iterative algorithms are widely applied to find the saddle points. In the existing literature, the convergence results...
Provided by Cornell University
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White Papers
MyProLang - My Programming Language
October 24, 2008, 12:00am PDT
Modern computer programming languages are governed by complex syntactic rules. They are unlike natural languages; they require extensive manual work and a significant amount of learning and...
Provided by Cornell University
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White Papers
Managing Communication Latency-Hiding at Runtime for Parallel Programming Languages and Libraries
January 18, 2012, 12:00am PST
This paper introduces a runtime model for managing communication with support for latency-hiding. The model enables non-computer science researchers to exploit communication latency-hiding...
Provided by Cornell University
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White Papers
A Boundary Approximation Algorithm for Distributed Sensor Networks
January 22, 2009, 12:00am PST
The authors present an algorithm for boundary approximation in locally-linked sensor networks that communicate with a remote monitoring station. Delaunay triangulations and Voronoi diagrams are...
Provided by Cornell University
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White Papers
Exact Solutions for the Two-And All-Terminal Reliabilities of a Simple Ladder Network
February 1, 2008, 12:00am PST
The exact calculation of network reliability in a probabilistic context has been a long-standing issue of practical importance, but a difficult one, even for planar graphs, with perfect nodes and...
Provided by Cornell University
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White Papers
On the Security of New Key Exchange Protocols Based on the Triple Decomposition Problem
December 6, 2007, 12:00am PST
The authors show that two new key exchange protocols with security based on the triple decomposition problem may have security based on the MSCSP. Recently a new key exchange primitive based the...
Provided by Cornell University
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White Papers
Invertible Extractors and Wiretap Protocols
January 14, 2009, 12:00am PST
A wiretap protocol is a pair of randomized encoding and decoding functions such that knowledge of a bounded fraction of the encoding of a message reveals essentially no information about the...
Provided by Cornell University
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White Papers
Identification With Encrypted Biometric Data
September 7, 2009, 12:00am PDT
Biometrics make human identification possible with a sample of a biometric trait and an associated database. Classical identification techniques lead to privacy concerns. This paper introduces a...
Provided by Cornell University
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White Papers
An Information Theoretic Analysis of Single Transceiver Passive RFID Networks
January 6, 2009, 12:00am PST
In this paper, the authors study single transceiver passive RFID networks by modeling the underlying physical system as a special cascade of a certain BroadCast Channel (BCC) and a multiple access...
Provided by Cornell University
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White Papers
Individual Privacy vs Population Privacy: Learning to Attack Anonymization
November 12, 2010, 12:00am PST
Over the last decade there have been great strides made in developing techniques to compute functions privately. In particular, Differential Privacy gives strong promises about conclusions that...
Provided by Cornell University
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White Papers
Offline Algorithmic Techniques for Several Content Delivery Problems in Some Restricted Types of Distributed Systems
October 13, 2008, 12:00am PDT
In this paper the authors consider several content delivery problems (broadcast and multicast, in particular) in some restricted types of distributed systems (e.g. optical Grids and wireless...
Provided by Cornell University
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Fast Paths in Large-Scale Dynamic Road Networks
February 1, 2008, 12:00am PST
Efficiently computing fast paths in large-scale dynamic road networks (where dynamic traffic information is known over a part of the network) is a practical problem faced by several traffic...
Provided by Cornell University
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White Papers
Parallelized Approximation Algorithms for Minimum Routing Cost Spanning Trees
February 5, 2008, 12:00am PST
Let G = (V, E) be an undirected graph with a nonnegative edge-weight function w: the routing cost of a spanning tree T of G is Σu,vЄVdT(u, v); where dT(u, v) denotes the weight of the...
Provided by Cornell University
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A Note on the Secrecy Capacity of the Multi-Antenna Wiretap Channel
February 2, 2008, 12:00am PST
Recently, the secrecy capacity of the multi-antenna wiretap channel was characterized by Khisti and Wornell using a Sato-like argument. This paper presents an alternative characterization using a...
Provided by Cornell University
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White Papers
The Ethics of Robotics
December 27, 2010, 12:00am PST
The term 'Robot' first appeared in the play R.U.R (Rossum's Universal Robots) by Czech writer Karel Capek in the year 1921. The term arises from the Polish word 'Robota' which literally means...
Provided by Cornell University
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Generalized and Resource-Efficient VNet Embeddings With Migrations
December 18, 2010, 12:00am PST
Network virtualization technology is believed to be a key enabler for the "Future Internet" as it allows to overcome existing ossifications and facilitates fast innovations. A crucial feature of...
Provided by Cornell University
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White Papers
Collaborative Knowledge Creation and Management in Information Retrieval
December 14, 2010, 12:00am PST
The final goal of Information Retrieval (IR) is knowledge production. However, it has been argued that knowledge production is not an individual effort but a collaborative effort. Collaboration in...
Provided by Cornell University
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White Papers
Netsukuku Topology
February 3, 2008, 12:00am PST
The aim of Netsukuku is to be a (physical) scalable mesh network, completely distributed and decentralised, anonymous and autonomous. The software, which must be executed by every node of the net,...
Provided by Cornell University
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White Papers
Quantum Shortest Path Netsukuku
February 3, 2008, 12:00am PST
A completely dynamic network would requires rapid and frequent updates of the routes and this is in contrast with the stability and the scalability requirements of Netsukuku. For this reason, the...
Provided by Cornell University
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White Papers
Netsukuku
February 1, 2008, 12:00am PST
The Internet is a hierarchic network managed by multinational companies and organisations supported by governments. Each bit of Internet traffic passes through proprietary backbones and routers....
Provided by Cornell University
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White Papers
JANUS: An FPGA-Based System for High Performance Scientific Computing
April 8, 2008, 12:00am PDT
This paper describes JANUS, a modular massively parallel and reconfigurable FPGA-based computing system. Each JANUS module has a computational core and a host. The computational core is a 4x4...
Provided by Cornell University
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White Papers
The Problem of Localization in Networks of Randomly Deployed Nodes: Asymptotic and Finite Analysis, and Thresholds
October 2, 2007, 12:00am PDT
Consider a two dimensional domain S ?º ℜ2 containing two sets of nodes from two statistically independent uniform Poisson point processes with constant densities ?ÏL and ?ÏNL. The first...
Provided by Cornell University
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Coding for Network Coding
November 26, 2007, 12:00am PST
The authors consider communication over a noisy network under randomized linear network coding. Possible error mechanism include node- or link-failures, Byzantine behavior of nodes, or an...
Provided by Cornell University
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White Papers
Distributed Consensus Algorithms in Sensor Networks With Imperfect Communication: Link Failures and Channel Noise
September 8, 2008, 12:00am PDT
The paper studies average consensus with random topologies (intermittent links) and noisy channels. Consensus with noise in the network links leads to the bias-variance dilemma - running consensus...
Provided by Cornell University
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White Papers
Translating OWL and Semantic Web Rules Into Prolog: Moving Toward Description Logic Programs
November 7, 2007, 12:00am PST
The authors are researching the interaction between the rule and the ontology layers of the Semantic Web, by comparing two options: using OWL and its rule extension SWRL to develop an integrated...
Provided by Cornell University
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White Papers
On Capacity Scaling in Arbitrary Wireless Networks
August 3, 2009, 12:00am PDT
recent work, Ozgur, Leveque, and Tse (2007) obtained a complete scaling characterization of throughput scaling for random extended wireless networks (i.e., n nodes are placed uniformly at random...
Provided by Cornell University
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White Papers
Towards a Participatory E-Larning 2.0
January 26, 2010, 12:00am PST
The aim is to propose a collaborative methodological approach centred on learners and based on the Web 2.0 tools in order to make E-learning 2.0. It is based on a process consisting of four...
Provided by Cornell University
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White Papers
Applying MVC and PAC Patterns in Mobile Applications
January 1, 2010, 12:00am PST
Additional requirements are set for mobile applications in relation to applications for desktop computers. These requirements primarily concern the support to different platforms on which such...
Provided by Cornell University
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White Papers
Dynamic Resource Allocation in Cognitive Radio Networks: A Convex Optimization Perspective
January 19, 2010, 12:00am PST
This paper provides an overview of the state-of-art results on communication resource allocation over space, time, and frequency for emerging Cognitive Radio (CR) wireless networks. Focusing on...
Provided by Cornell University
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White Papers
The Serializability of Network Codes
January 8, 2010, 12:00am PST
Network coding theory studies the transmission of information in networks whose vertices may perform nontrivial encoding and decoding operations on data as it passes through the network. The main...
Provided by Cornell University
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White Papers
Contextual Mobile Learning Strongly Related to Industrial Activities: Principles and Case Study
December 28, 2009, 12:00am PST
M-learning (mobile learning) can take various forms. The authors are interested in contextualized M-learning, i.e. the training related to the situation physically or logically localized....
Provided by Cornell University
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White Papers
Synchronization Analysis in Physical Layer Network Coding
December 30, 2009, 12:00am PST
Physical-layer Network Coding (PNC) makes use of the additive nature of the ElectroMagnetic (EM) waves to apply network coding arithmetic at the physical layer. With PNC, the destructive effect of...
Provided by Cornell University
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White Papers
Applying Software Defect Estimations: Using a Risk Matrix for Tuning Test Effort
November 11, 2007, 12:00am PST
Applying software defect estimation techniques and presenting this information in a compact and impactful decision table can clearly illustrate to collaborative groups how critical this position...
Provided by Cornell University
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White Papers
On the Defence Notion
November 5, 2007, 12:00am PST
Trojan Horses, "Logic Bombs", "Armoured Viruses" and "Cryptovirology" are terms recalling war gears. In fact, concepts of attack and defence drive the world of computer virology, which looks like...
Provided by Cornell University
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White Papers
Security Analysis of a Remote User Authentication Scheme With Smart Cards
August 14, 2007, 12:00am PDT
To gain the access rights on an Authentication Server (AS), a password based remote user authentication schemes is used. The remote user makes a login request with the help of some secret...
Provided by Cornell University
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White Papers
AccelKey Selection Method for Mobile Devices
February 5, 2008, 12:00am PST
Portable Electronic Devices usually utilize a small screen with limited viewing area and a keyboard with a limited number of keys. This makes it difficult to perform quick searches in data arrays...
Provided by Cornell University
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White Papers
Tardos fingerprinting is better than we thought
June 3, 2008, 12:00am PDT
Tardos has proposed a randomized fingerprinting code that is provably secure against collusion attacks. The authors revisit his scheme and show that it has significantly better performance than...
Provided by Cornell University
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White Papers
Multidimensional or Relational? How to Organize an On-Line Analytical Processing Database
March 20, 2011, 12:00am PDT
In the past few years, the number of On-line Analytical Processing (OLAP) applications increased quickly. These applications use two significantly different database structures: multidimensional...
Provided by Cornell University
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White Papers
The Key Exchange Cryptosystem Used With Higher Order Diophantine Equations
March 1, 2011, 12:00am PST
One-way functions are widely used for encrypting the secret in public key cryptography, although they are regarded as plausibly one-way but have not been proven so. Here the authors discuss the...
Provided by Cornell University
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White Papers
The Embedding Capacity of Information Flows Under Renewal Traffic
March 15, 2011, 12:00am PDT
Given two independent point processes and a certain rule for matching points between them, what is the fraction of matched points over infinitely long streams? In many application contexts, e.g.,...
Provided by Cornell University
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On the Cost of Concurrency in Transactional Memory
March 10, 2011, 12:00am PST
The crux of Software Transactional Memory (STM) is to combine an easy-to-use programming interface with an efficient utilization of the concurrent computing abilities provided by modern machines....
Provided by Cornell University
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White Papers
DB Category: Denotational Semantics for View-based Database Mappings
February 1, 2011, 12:00am PST
The authors present a categorical denotational semantics for a database mapping, based on views, in the most general framework of a database integration/exchange. Developed database category DB,...
Provided by Cornell University
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White Papers
Parsing Transformative LR(1) Languages
February 7, 2008, 12:00am PST
The authors consider, as a means of making programming languages more flexible and powerful, a parsing algorithm in which the parser may freely modify the grammar while parsing. They are...
Provided by Cornell University
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