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Cornell University
(819 results)-
Whitepapers
Automatic Performance Debugging of SPMD Parallel Programs
February 23, 2010, 12:00am PST
Automatic performance debugging of parallel applications usually involves two steps: automatic detection of performance bottlenecks and uncovering their root causes for performance optimization....
Provided by Cornell University
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Whitepapers
How Many Software Engineering Professionals Hold This Certificate?
December 1, 2012, 12:00am PST
Estimates of quantity of the certificates issued during 10 years of existence of the professional's certification program in the area of software engineering implemented by one of the leading...
Provided by Cornell University
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Whitepapers
The Study and Approach of Software Re-Engineering
October 2, 2011, 12:00am PDT
The nature of software re-engineering is to improve or transform existing software so it can be understood, controlled and reused as new software. Needs, the necessity of re-engineering software...
Provided by Cornell University
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Whitepapers
Software Engineering and Complexity in Effective Algebraic Geometry
April 25, 2012, 12:00am PDT
One may represent polynomials not only by their coefficients but also by arithmetic circuits which evaluate them. This idea allowed in the last fifteen years considerable complexity progress in...
Provided by Cornell University
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Whitepapers
Testing Java implementations of Algebraic Specifications
March 6, 2013, 12:00am PST
In this paper, the authors focus on exploiting a specification and the structures that satisfy it, to obtain a means of comparing implemented and expected behaviors and find the origin of faults...
Provided by Cornell University
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Whitepapers
Advanced Digital Steganography using Encrypted Secret Message and Encrypted Embedded Cover File
May 1, 2012, 12:00am PDT
In this paper, the authors are proposing a new steganography method to hide any encrypted secret message in multiple steps. The secret message is encrypted using TTJSA algorithm. The authors embed...
Provided by Cornell University
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Whitepapers
A New Metric for Routing in Multi-Hop Wireless Sensor Networks for Detection of Correlated Random Fields
January 1, 2013, 12:00am PST
The problem of combining task performance and routing for the detection of correlated random fields using multi-hop wireless sensor networks is considered. Under the assumption of Gauss-Markov...
Provided by Cornell University
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Whitepapers
Reputation Algebra for Cloud-Based Anonymous Data Storage Systems
July 19, 2012, 12:00am PDT
Given a cloud-based anonymous data storage system, there are two ways for managing the nodes involved in file transfers. One of them is using reputations and the other uses a micropayment system....
Provided by Cornell University
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Whitepapers
Enhanced Security for Cloud Storage Using File Encryption
March 28, 2013, 12:00am PDT
Cloud computing is a term coined to a network that offers incredible processing power, a wide array of storage space and unbelievable speed of computation. Social media channels, corporate...
Provided by Cornell University
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Whitepapers
Integration of SOA and Cloud Computing in RMODP
August 7, 2012, 12:00am PDT
The objective of ODP is according to ITU-T Recommendation X.901 stated as follows: "The objective of ODP standardization is the development of standards that allow the benefits of distributing...
Provided by Cornell University
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Whitepapers
A Genetic Algorithm for Power-Aware Virtual Machine Allocation in Private Cloud
February 19, 2013, 12:00am PST
Energy efficiency has become an important measurement of scheduling algorithm for private cloud. The challenge is trade-off between minimizing of energy consumption and satisfying Quality of...
Provided by Cornell University
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Whitepapers
On Weak Dress Codes for Cloud Storage
February 15, 2013, 12:00am PST
In a distributed storage network, reliability and bandwidth optimization can be provided by regenerating codes. Recently table based regenerating codes viz. DRESS (Distributed Replication-based...
Provided by Cornell University
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Whitepapers
CloudSVM : Training an SVM Classi Er in Cloud Computing Systems
January 1, 2013, 12:00am PST
In conventional method, distributed Support Vector Machines (SVM) algorithms are trained over pre-configured intranet/internet environments to find out an optimal classifier. These methods are...
Provided by Cornell University
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Whitepapers
Closed-Form Rate Outage Probability for OFDMA Multi-Hop Broadband Wireless Networks Under Nakagami-m Channels
March 31, 2013, 12:00am PDT
Rate outage probability is an important performance metric to measure the level of Quality of Service (QoS) in the Generation (4G) broadband access networks. Thus, in this paper, the authors...
Provided by Cornell University
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Whitepapers
Adaptive Energy-Aware Encoding for DWT-Based Wireless EEG Monitoring System
March 30, 2013, 12:00am PDT
Wireless ElectroencephaloGraphy (EEG) tele-monitoring systems performing encoding and streaming over energy-hungry wireless channels are limited in energy supply. However, excessive power...
Provided by Cornell University
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Whitepapers
A Practical System for Improved Efficiency in Frequency Division Multiplexed Wireless Networks
March 27, 2013, 12:00am PDT
Spectral efficiency is a key design issue for all wireless communication systems. Orthogonal Frequency Division Multiplexing (OFDM) is a very well-known technique for efficient data transmission...
Provided by Cornell University
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Whitepapers
Clustering Based Lifetime Maximizing Aggregation Tree for Wireless Sensor Networks
January 15, 2013, 12:00am PST
Energy efficiency is the most important issue in all facets of Wireless Sensor Networks (WSNs) operations because of the limited and non-replenish able energy supply. Data aggregation mechanism is...
Provided by Cornell University
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Whitepapers
Wireless Information and Power Transfer: Energy Efficiency Optimization in OFDMA Systems
March 16, 2013, 12:00am PDT
In this paper, the authors consider Orthogonal Frequency Division Multiple Access (OFDMA) systems with simultaneous wireless information and power transfer. They study the resource allocation...
Provided by Cornell University
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Whitepapers
Low-Complexity Channel Estimation with Set-Membership Algorithms for Cooperative Wireless Sensor Networks
March 15, 2013, 12:00am PDT
In this paper, the authors consider a general cooperative Wireless Sensor Network (WSN) with multiple hops and the problem of channel estimation. Two matrix-based set-membership algorithms are...
Provided by Cornell University
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Whitepapers
Secure Wireless Communications via Cooperative Transmitting
March 11, 2013, 12:00am PDT
Information theoretic secrecy is combined with cryptographic secrecy to create a secret-key exchange protocol for wireless networks. A network of transmitters, which already have cryptographically...
Provided by Cornell University
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Whitepapers
Efficient Compressive Sampling of Spatially Sparse Fields in Wireless Sensor Networks
January 25, 2013, 12:00am PST
Wireless Sensor Networks (WSN), i.e. networks of autonomous, wireless sensing nodes spatially deployed over a geographical area, are often faced with acquisition of spatially sparse fields. In...
Provided by Cornell University
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Whitepapers
Anytime Reliable LDPC Convolutional Codes for Networked Control Over Wireless Channel
March 5, 2013, 12:00am PST
In this paper, the authors deal with the problem of stabilizing an unstable system through networked control over the wireless medium. In such a situation, a remote sensor communicates the...
Provided by Cornell University
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Whitepapers
Spectral Efficient Optimization in OFDM Systems with Wireless Information and Power Transfer
March 2, 2013, 12:00am PST
In this paper, the authors consider an Orthogonal Frequency Division Multiplexing (OFDM) point-to-point wireless communication system with simultaneous wireless information and power transfer....
Provided by Cornell University
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Whitepapers
Wireless Intrusion Detection Systems (WIDS)
February 27, 2013, 12:00am PST
The rapid proliferation of wireless networks and mobile computing applications has changed the landscape of network security, the wireless networks have changed the way business, organizations...
Provided by Cornell University
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Whitepapers
Joint Physical Network Coding and LDPC decoding for Two Way Wireless Relaying
February 20, 2013, 12:00am PST
In this paper, the authors investigate the joint design of channel and network coding in bi-directional relaying systems and propose a combined low complexity physical network coding and LDPC...
Provided by Cornell University
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Whitepapers
Throughput Analysis of CSMA Wireless Networks with Finite Offered-Load
February 19, 2013, 12:00am PST
In this paper, the authors propose an approximate method, Equivalent Access Intensity (EAI), for the throughput analysis of CSMA wireless networks in which links have finite offered-load and their...
Provided by Cornell University
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Whitepapers
Energy-Efficient Power Allocation in OFDM Systems with Wireless Information and Power Transfer
January 31, 2013, 12:00am PST
In this paper, the authors consider an Orthogonal Frequency Division Multiplexing (OFDM) downlink point-to-point system with simultaneous wireless information and power transfer. It is assumed...
Provided by Cornell University
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Whitepapers
Towards Optimal Broadcast in Wireless Networks
January 29, 2013, 12:00am PST
Broadcast is a fundamental operation in networks, especially in wireless Mobile Ad-hoc NETworks (MANETs). For example, some form of broadcasting is used by all on-demand MANET routing protocols,...
Provided by Cornell University
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Whitepapers
The Capacity of Wireless Channels: A Physical Approach
January 29, 2013, 12:00am PST
The capacity of Multiple-Input Multiple-Output (MIMO) channels has been considered to be severely limited by the size of antenna arrays. The capacity scaling for a three-dimensional network and...
Provided by Cornell University
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Whitepapers
Relay Augmentation for Lifetime Extension of Wireless Sensor Networks
January 21, 2013, 12:00am PST
The authors propose a novel relay augmentation strategy for extending the lifetime of a certain class of Wireless Sensor Networks. In this class, sensors are located at fixed and pre-determined...
Provided by Cornell University
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Whitepapers
Decentralized Lifetime Minimizing Tree for Data Aggregation in Wireless Sensor Networks
January 19, 2013, 12:00am PST
To meet the demands of Wireless Sensor Networks (WSNs) where data are usually aggregated at a single source prior to transmitting to any distant user, there is a need to establish a tree structure...
Provided by Cornell University
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Whitepapers
Low-Complexity Scheduling Policies for Achieving Throughput and Delay Optimality in Multi-Channel Wireless Networks
January 16, 2013, 12:00am PST
In this paper, the authors study the scheduling problem for downlink transmission in a multi-channel (e.g., OFDM-based) wireless network. They focus on a single cell, with the aim of developing a...
Provided by Cornell University
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Whitepapers
On the Performance of Cascaded Generalized K Fading Channels
October 27, 2009, 12:00am PDT
A novel distribution referred to as N�??generalized K, constructed as the product of N statistically independent, but not necessarily identically distributed, generalized K Random Variables (RVs)...
Provided by Cornell University
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Whitepapers
Security Analysis on "An Authentication Code Against Pollution Attacks in Network Coding"
March 3, 2013, 12:00am PST
The authors analyze the security of the authentication code against pollution attacks in network coding given by Oggier and Fathi and show one way to remove one very strong condition they...
Provided by Cornell University
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Whitepapers
Energy-Efficient Optimization for Physical Layer Security in Multi-Antenna Downlink Networks with QoS Guarantee
February 20, 2013, 12:00am PST
In this paper, the authors consider a multi-antenna downlink network where a Secure User (SU) coexists with a passive eavesdropper. There are two design requirements for such a network. First, the...
Provided by Cornell University
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Whitepapers
A Physical Layer Secured Key Distribution Technique for IEEE 802.11g Wireless Networks
December 20, 2012, 12:00am PST
Key distribution and renewing in wireless local area networks is a crucial issue to guarantee that unauthorized users are prevented from accessing the network. In this paper, the authors propose a...
Provided by Cornell University
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Whitepapers
Generation of Biometric Key for Use in DES
February 26, 2013, 12:00am PST
Cryptography is an important field in the area of data encryption. There are different cryptographic techniques available varying from the simplest to complex. Biometrics is the science of...
Provided by Cornell University
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Whitepapers
The Biometric Menagerie - A Fuzzy and Inconsistent Concept
August 1, 2012, 12:00am PDT
This paper proves that in iris recognition, the concepts of sheep, goats, lambs and wolves - as proposed by Doddington and Yager in the so-called Biometric Menagerie, are at most fuzzy and at...
Provided by Cornell University
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Whitepapers
An Authentication Protocol Based on Combined RFID-Biometric System
April 29, 2012, 12:00am PDT
Radio Frequency IDentification (RFID) and biometric technologies saw fast evolutions during the last years and which are used in several applications, such as access control. Among important...
Provided by Cornell University
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Whitepapers
Web-Based Benchmark for Keystroke Dynamics Biometric Systems: A Statistical Analysis
July 3, 2012, 12:00am PDT
Keystroke dynamics allows users to be recognized based on their way of typing on a keyboard. This is a behavioral modality which has been first experimented in the eighties. It is always an...
Provided by Cornell University
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White Papers
ShutUp: End-to-End Containment of Unwanted Traffic
May 8, 2008, 12:00am PDT
While the majority of Denial-of-Service (DoS) defense proposals assume a purely infrastructure-based architecture, some recent proposals suggest that the attacking endhost may be enlisted as part...
Provided by Cornell University
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White Papers
Implementing High Performance Multicast in a Managed Environment
July 10, 2007, 12:00am PDT
Component integration environments such as Microsoft .NET and J2EE have become widely popular with application developers, who benefit from standardized memory management, system-wide type...
Provided by Cornell University
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White Papers
Civitas: Toward a Secure Voting System
May 1, 2008, 12:00am PDT
Civitas is the first electronic voting system that is coercion-resistant, universally and voter verifiable, and suitable for remote voting. This paper describes the design and implementation of...
Provided by Cornell University
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White Papers
A Wavelet-Based Digital Watermarking for Video
October 27, 2009, 12:00am PDT
A novel video watermarking system operating in the three-dimensional wavelet transform is here presented. Specifically the video sequence is partitioned into spatio-temporal units and the single...
Provided by Cornell University
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White Papers
Password Based a Generalize Robust Security System Design Using Neural Network
October 1, 2009, 12:00am PDT
Among the various means of available resource protection including biometrics, password based system is most simple, user friendly, cost effective and commonly used. But this method having high...
Provided by Cornell University
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White Papers
Prefix Based Chaining Scheme for Streaming Popular Videos Using Proxy Servers in VoD
October 7, 2009, 12:00am PDT
Streaming high quality videos consumes significantly large amount of network resources. In this paper request-to-service delay, network traffic, congestion and server overloading are the main...
Provided by Cornell University
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White Papers
Prefetching of VoD Programs Based on ART1 Requesting Clustering
October 7, 2009, 12:00am PDT
In this paper, the authors propose a novel approach to group users according to the VoD user request pattern. They cluster the user requests based on ART1 neural network algorithm. The knowledge...
Provided by Cornell University
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White Papers
Design of Asynchronous Supervisors
October 5, 2009, 12:00am PDT
One of the main drawbacks while implementing the interaction between a plant and a supervisor, synthesised by the supervisory control theory of Ramadge and Wonham, is the inexact synchronisation....
Provided by Cornell University
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White Papers
Noisy Network Coding
March 15, 2010, 12:00am PDT
A noisy network coding scheme for sending multiple sources over a general noisy network is presented. For multi-source multicast networks, the scheme naturally extends both network coding over...
Provided by Cornell University
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White Papers
Using the Keystrokes Dynamic for Systems of Personal Security
June 9, 2009, 12:00am PDT
This paper presents a boarding on biometric authentication through the Keystrokes Dynamics that it intends to identify a person from its habitual rhythm to type in conventional keyboard. Seven...
Provided by Cornell University
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White Papers
Combinatiorial Algorithms for Wireless Information Flow
September 25, 2009, 12:00am PDT
A long-standing open question in information theory is to characterize the unicast capacity of a wireless relay network. The difficulty arises due to the complex signal interactions induced in the...
Provided by Cornell University
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White Papers
Higher-Dimensional Models of Networks
September 23, 2009, 12:00am PDT
Networks are often studied as graphs, where the vertices stand for entities in the world and the edges stand for connections between them. While relatively easy to study, graphs are often...
Provided by Cornell University
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White Papers
On the Degrees of Freedom of Finite State Compound Wireless Networks - Settling a Conjecture by Weingarten Et. Al
September 23, 2009, 12:00am PDT
The authors explore the Degrees of Freedom (DoF) of three classes of finite state compound wireless networks in this paper. First, they study the Multiple-Input Single-Output (MISO) finite state...
Provided by Cornell University
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White Papers
Electric Routing and Concurrent Flow Cutting
August 15, 2009, 12:00am PDT
The authors address a vision of the Internet where every participant exchanges messages with their direct friends and no one else. Yet such an Internet should be able to support reliable and...
Provided by Cornell University
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White Papers
DPRAODV: A Dynamic Learning System Against Blackhole Attack in AODV Based MANET
August 31, 2009, 12:00am PDT
Security is an essential requirement in mobile ad hoc networks to provide protected communication between mobile nodes. Due to unique characteristics of MANETS, it creates a number of...
Provided by Cornell University
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White Papers
Self-Partial and Dynamic Reconfiguration Implementation for AES Using FPGA
August 31, 2009, 12:00am PDT
This paper addresses efficient hardware/software implementation approaches for the AES (Advanced Encryption Standard) algorithm and describes the design and performance testing algorithm for...
Provided by Cornell University
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White Papers
Philosophical Survey of Passwords
August 31, 2009, 12:00am PDT
Over the years security experts in the field of Information Technology have had a tough time in making passwords secure. This paper studies and takes a careful look at this issue from the angle of...
Provided by Cornell University
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White Papers
Single-Generation Network Coding for Networks With Delay
September 9, 2009, 12:00am PDT
A single-source network is said to be memory-free if all of the internal nodes (those except the source and the sinks) do not employ memory but merely send linear combinations of the incoming...
Provided by Cornell University
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White Papers
An Efficient and Publicly Verifiable Id-Based Multi-Signcryption Scheme
September 8, 2009, 12:00am PDT
Secure message transmission over an insecure channel, require both confidentiality and authenticity, which may be achieved through 'Signature then encryption' approach. However, in 1997 Zheng...
Provided by Cornell University
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White Papers
On the Relations Between Diffie-Hellman and ID-Based Key Agreement From Pairings
September 9, 2009, 12:00am PDT
This paper studies the relationships between the traditional Diffie-Hellman key agreement protocol and the IDentity-based (ID-based) key agreement protocol from pairings. For the...
Provided by Cornell University
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White Papers
Inferring Loop Invariants Using Postconditions
May 2, 2010, 12:00am PDT
One of the obstacles in automatic program proving is to obtain suitable loop invariants. The invariant of a loop is a weakened form of its postcondition (the loop's goal, also known as its...
Provided by Cornell University
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White Papers
Rapid Self-Organised Initiation of Ad Hoc Sensor Networks Close Above the Percolation Threshold
May 20, 2010, 12:00am PDT
This work shows potentials for rapid self-organisation of sensor networks where nodes collaborate to relay messages to a common data collecting unit (sink node). The study problem is, in the sense...
Provided by Cornell University
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White Papers
Predictability of Fixed-Job Priority Schedulers on Heterogeneous Multiprocessor Real-Time Systems
August 26, 2009, 12:00am PDT
The multiprocessor Fixed-Job Priority (FJP) scheduling of real-time systems is studied. An important property for the schedulability analysis, the predictability (regardless to the execution...
Provided by Cornell University
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White Papers
Lazy Mixin Modules and Disciplined Effects
August 25, 2009, 12:00am PDT
Programming languages are expected to support programmer's effort to structure program code. The ML module system, object systems and mixins are good examples of language constructs promoting...
Provided by Cornell University
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White Papers
Performance Analysis Over Slow Fading Channels of a Half-Duplex Single-Relay Protocol: Decode or Quantize and Forward
August 28, 2009, 12:00am PDT
In this work, a new static relaying protocol is introduced for half duplex single-relay networks, and its performance is studied in the context of communications over slow fading wireless...
Provided by Cornell University
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White Papers
Interacting Branching Processes and Linear File-Sharing Networks
April 22, 2010, 12:00am PDT
File-sharing networks are distributed systems used to disseminate files among nodes of a communication network. The general simple principle of these systems is that once a node has retrieved a...
Provided by Cornell University
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White Papers
Optimal Routing and Power Control for a Single Cell, Dense, Ad Hoc Wireless Network
July 21, 2009, 12:00am PDT
The authors consider a dense, ad hoc wireless network, confined to a small region. The wireless network is operated as a single cell, i.e., only one successful transmission is supported at a time....
Provided by Cornell University
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White Papers
Web of Lossy Adapters for Interface Interoperability: An Algorithm and NP-Completeness of Minimization
July 21, 2009, 12:00am PDT
Different services that provide similar functionality will often be accessed using widely different interfaces, especially if standardization is lacking. To avoid having to rewrite separate code...
Provided by Cornell University
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White Papers
4G Wireless Networks: Opportunities and Challenges
July 16, 2009, 12:00am PDT
With the major wireless service providers planning to start deployment of 4G wireless networks by mid 2010, research and industry communities are racing against time to find solutions for some of...
Provided by Cornell University
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White Papers
Bit Copying - The Ultimate Computational Simplicity
July 1, 2009, 12:00am PDT
This paper presents the proof that referencing and bit copying are operations sufficient for Turing-complete computation. A programming language consisting of just one instruction - bit copy, is...
Provided by Cornell University
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White Papers
Applying Local Clustering Method to Improve the Running Speed of Ant Colony Optimization
July 7, 2009, 12:00am PDT
Ant Colony Optimization (ACO) has time complexity O(tmN2), and its typical application is to solve Traveling Salesman Problem (TSP), where t, m, and N denotes the iteration number, number of ants,...
Provided by Cornell University
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White Papers
Observed Universality of Phase Transitions in High-Dimensional Geometry, With Implications for Modern Data Analysis and Signal Processing
June 14, 2009, 12:00am PDT
The authors review connections between phase transitions in high-dimensional combinatorial geometry and phase transitions occurring in modern high-dimensional data analysis and signal processing....
Provided by Cornell University
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White Papers
Division Algebras and Wireless Communication
June 9, 2009, 12:00am PDT
The aim of this note is to bring to the attention of a wide mathematical audience the recent application of division algebras to wireless communication. The application occurs in the context of...
Provided by Cornell University
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White Papers
Online Reinforcement Learning for Dynamic Multimedia Systems
April 20, 2009, 12:00am PDT
In the previous work, the authors proposed a systematic cross-layer framework for dynamic multimedia systems, which allows each layer to make autonomous and foresighted decisions that maximize the...
Provided by Cornell University
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White Papers
Equalization for Non-Coherent UWB Systems With Approximate Semi-Definite Programming
June 15, 2009, 12:00am PDT
In this paper, the authors propose an approximate semi-definite programming framework for demodulation and equalization of non-coherent ultra-wide-band communication systems with...
Provided by Cornell University
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White Papers
Evading Network-Level Emulation
June 10, 2009, 12:00am PDT
Recently more and more attention has been paid to the Intrusion Detection Systems (IDS) which don't rely on signature based detection approach. Such solutions try to increase their defense level...
Provided by Cornell University
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White Papers
Key Agreement and Authentication Schemes Using Non-Commutative Semigroups
August 20, 2007, 12:00am PDT
The authors give a new two-pass authentication scheme, which is a generalisation of an authentication scheme of Sibert-Dehornoy-Girault based on the Diffie-Hellman conjugacy problem. Compared to...
Provided by Cornell University
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White Papers
The Fuzzy Vault for Fingerprints Is Vulnerable to Brute Force Attack
February 1, 2008, 12:00am PST
The fuzzy vault approach is one of the best studied and well accepted ideas for binding cryptographic security into biometric authentication. The authors present in this paper a brute force attack...
Provided by Cornell University
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White Papers
Web Server Benchmark Application WiiBench Using Erlang/OTP R11 and Fedora-Core Linux 5.0
August 23, 2007, 12:00am PDT
As the web grows and the amount of traffics on the web server increase, problems related to performance begin to appear. Some of the problems, such as the number of users that can access the...
Provided by Cornell University
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White Papers
Efficient Batch Update of Unique Identifiers in a Distributed Hash Table for Resources in a Mobile Host
June 22, 2010, 12:00am PDT
Resources in a distributed system can be identified using identifiers based on random numbers. When using a distributed hash table to resolve such identifiers to network locations, the...
Provided by Cornell University
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