Cornell University
Displaying 1-40 of 965 results
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A Grammatical Inference Approach to Language-Based Anomaly Detection in XML
False-positives are a problem in anomaly-based intrusion detection systems. To counter this issue, the authors discuss anomaly detection for the eXtensible Markup Language (XML) in a language-theoreti...
Provided By Cornell University
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Communication Steps for Parallel Query Processing
The authors consider the problem of computing a relational query q on a large input database of size n, using a large number p of servers. They establish both lower and upper bounds, in two settings. ...
Provided By Cornell University
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Creating a Relational Distributed Object Store
In and of itself, data storage has apparent business utility. But when the authors can convert data to information, the utility of stored data increases dramatically. It is the layering of relation at...
Provided By Cornell University
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Partial Spreads in Random Network Coding
Following the approach by R. K?tter and F. R. Kschischang, the authors explain network codes as families of k-dimensional linear subspaces of a vector space Fnq, q being a prime power and Fq the finit...
Provided By Cornell University
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High-Performance Physics Simulations Using Multi-Core CPUs and GPGPUs in a Volunteer Computing Context
Energy minimization of Ising spin-glasses has played a central role in statistical and solid-state physics, facilitating studies of phase transitions and magnetism. Recent proposals suggest using Isin...
Provided By Cornell University
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Equivalence and Comparison of Heterogeneous Cellular Networks
The authors consider a general heterogeneous network in which, besides general propagation effects (shadowing and/or fading), individual base stations can have different emitting powers and be subject...
Provided By Cornell University
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Towards a Simple Relationship to Estimate the Capacity of Static and Mobile Wireless Networks
Extensive research has been done on studying the capacity of wireless multi-hop networks. These efforts have led to many sophisticated and customized analytical studies on the capacity of particular n...
Provided By Cornell University
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CSMA Using Statistical Physics Toward Throughput and Utility Optimal CSMA
In the recent past years, CSMA (Carrier Sense Multiple Access), which resolves contentions over wireless networks in a fully distributed fashion, has gained a lot of attentions since it has been prove...
Provided By Cornell University
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Hybrid Coding: An Interface for Joint Source - Channel Coding and Network Communication
A new approach to joint source-channel coding is presented in the context of communicating correlated sources over multiple access channels. Similar to the separation architecture, the joint source-ch...
Provided By Cornell University
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Cell-Level Modeling of IEEE 802.11 WLANs
The authors develop a scalable cell-level analytical model for multi-cell infrastructure IEEE 802.11 WLANs under a so-called Pairwise Binary Dependence (PBD) condition. The PBD condition is a geometri...
Provided By Cornell University
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Easily Implemented Rate Compatible Reconciliation Protocol for Quantum Key Distribution
Reconciliation is an important step to correct errors in Quantum Key Distribution (QKD). In QKD, after comparing basis, two legitimate parties possess two correlative keys which have some differences ...
Provided By Cornell University
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Building Internal Cloud at NIC : A Preview
The most of computing environments in the IT support organization like NIC are designed to run in centralized data centre. The centralized infrastructure of various development projects are used to de...
Provided By Cornell University
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Enhancing Information Dissemination in a Device to Device Communication Based Metapopulation using Human Mobility Trace and Beamforming
In communication network based on device to device interactions, dissemination of the information has lately picked up lot of interest. In this paper, the authors would like to propose a mechanism for...
Provided By Cornell University
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Proportional Fair MU-MIMO in 802.11 WLANs
The next generation of 802.11 WLANs is expected to support Multi-User MIMO (MUMIMO) transmission, whereby parallel transmissions can be simultaneously made to multiple stations. This significantly ext...
Provided By Cornell University
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Multicut Lower Bounds via Network Coding
The authors introduce a new technique to certify lower bounds on the multi-cut size using network coding. In directed networks the network coding rate is not a lower bound on the multi-cut, but they i...
Provided By Cornell University
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Osculating Spaces of Varieties and Linear Network Codes
The authors present a general theory to obtain good linear network codes utilizing the osculating nature of algebraic varieties. In particular, they obtain from the osculating spaces of Veronese varie...
Provided By Cornell University
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Dynamic Spectrum Refarming of GSM Spectrum for LTE Small Cells
In this paper, the authors propose a novel solution called Dynamic Spectrum Refarming (DSR) for deploying LTE small cells using the same spectrum as existing GSM networks. The basic idea of DSR is tha...
Provided By Cornell University
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Cloud Computing Benefits for Educational Institutions
Education today is becoming completely associated with the Information Technology on the content delivery, communication and collaboration. The need for servers, storage and software are highly demand...
Provided By Cornell University
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Intelligent Agent Based Semantic Web in Cloud Computing Environment
Considering today's web scenario, there is a need of effective and meaningful search over the web which is provided by Semantic Web. Existing search engines are keyword based. They are vulnerable in a...
Provided By Cornell University
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Optimal Distributed Scheduling in Wireless Networks Under SINR Interference Model
Radio resource sharing mechanisms are key to ensuring good performance in wireless networks. In their seminal paper, Tassiulas and Ephremides introduced the Maximum Weighted Scheduling algorithm, and ...
Provided By Cornell University
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Designing Run-Time Environments to Have Predefined Global Dynamics
The stability and the predictability of a computer network algorithm's performance are as important as the main functional purpose of networking software. However, asserting or deriving such propertie...
Provided By Cornell University
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Implementation of DYMO Routing Protocol
Mobile Ad-hoc NETworks communicate without any fixed infrastructure or ant centralized domain. All the nodes are free to move randomly within the network and share information dynamically. To achieve ...
Provided By Cornell University
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Power-Efficient Assignment of Virtual Machines to Physical Machines
Motivated by current trends in cloud computing, the authors explain study a version of the generalized assignment problem where a set of virtual processors has to be implemented by a set of identical ...
Provided By Cornell University
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A C++11 Implementation of Arbitrary-Rank Tensors for High-Performance Computing
In this paper, the authors discusses an efficient implementation of tensors of arbitrary rank by using some of the idioms introduced by the recently published C++ ISO Standard (C++11). With the aims a...
Provided By Cornell University
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Towards a Networks-of-Networks Framework for Cyber Security
Networks-of-Networks (NoN) is a graph-theoretic model of interdependent networks that have distinct dynamics at each network (layer). By adding special edges to represent relationships between nodes i...
Provided By Cornell University
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Application-Driven TCP Recovery and Non-Stop BGP
Some network protocols tie application state to underlying TCP connections, leading to unacceptable service outages when an endpoint loses TCP state during fail-over or migration. For example, BGP tie...
Provided By Cornell University
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Coding Opportunity Densification Strategies for Instantly Decodable Network Coding
In this paper, the authors aim to identify the strategies that can maximize and monotonically increase the density of the coding opportunities in Instantly Decodable Network Coding (IDNC).Using the we...
Provided By Cornell University
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Exclusion and Guard Zones in DS-CDMA Ad Hoc Networks
The central issue in Direct-Sequence Code-Division Multiple-Access (DS-CDMA) ad hoc networks is the prevention of a near-far problem. This paper considers two types of guard zones that may be used to ...
Provided By Cornell University
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Two Trivial Attacks on A5/1: A GSM Stream Cipher
Stream ciphers play an important role in those applications where high throughput remains critical and resources are very restricted e.g. in Europe and North America, A5/1 is widely used stream cipher...
Provided By Cornell University
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Dynamic Clustering Protocol for Data Forwarding in Wireless Sensor Networks
Energy being the very key concern area with sensor networks, so the main focus lies in developing a mechanism to increase the lifetime of a sensor network by energy balancing. To achieve energy balanc...
Provided By Cornell University
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Secure End-to-End Communication with Optimal Throughput in Unreliable Networks
The authors demonstrate the feasibility of end-to-end communication in highly unreliable networks. Modeling a network as a graph with vertices representing nodes and edges representing the links betwe...
Provided By Cornell University
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Joint Optimization of Throughput and Packet Drop Rate for Delay Sensitive Applications in TDD Satellite Network Coded Systems
In this paper, the authors consider the issue of throughput and Packet Drop Rate (PDR) optimization as two performance metrics for delay sensitive applications in network coded Time Division Duplex (T...
Provided By Cornell University
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A Novel Network Coded Parallel Transmission Framework for High-Speed Ethernet
Parallel transmission, as defined in high-speed Ethernet standards, enables to use less expensive optoelectronics and offers backwards compatibility with legacy Optical Transport Network (OTN) infrast...
Provided By Cornell University
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Linear Fractional Network Coding and Representable Discrete Polymatroids
A linear Fractional Network Coding (FNC) solution over Fq is a linear network coding solution over Fq in which the message dimensions need not necessarily be the same and need not be the same as the e...
Provided By Cornell University
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Closed-Form Rate Outage Probability for OFDMA Multi-Hop Broadband Wireless Networks Under Nakagami-m Channels
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 calculate...
Provided By Cornell University
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Adaptive Energy-Aware Encoding for DWT-Based Wireless EEG Monitoring System
Wireless ElectroencephaloGraphy (EEG) tele-monitoring systems performing encoding and streaming over energy-hungry wireless channels are limited in energy supply. However, excessive power consumption ...
Provided By Cornell University
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On Constellations for Physical Layer Network Coded Two-Way Relaying
Modulation schemes for two-way bidirectional relay network employing two phases: Multiple Access (MA) phase and BroadCast (BC) phase and using physical layer network coding are currently studied inten...
Provided By Cornell University
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Enhanced Security for Cloud Storage Using File Encryption
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 structures ...
Provided By Cornell University
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A Practical System for Improved Efficiency in Frequency Division Multiplexed Wireless Networks
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 over ...
Provided By Cornell University
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Optimized-Cost Repair in Multi-Hop Distributed Storage Systems with Network Coding
In distributed storage systems reliability is achieved through redundancy stored at different nodes in the network. Then a data collector can reconstruct source information even though some nodes fail...
Provided By Cornell University
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Power-Efficient Assignment of Virtual Machines to Physical Machines
Motivated by current trends in cloud computing, the authors explain study a version of the generalized assignment problem where a set of virtual processors has to be implemented by a set of identical ...
Provided By Cornell University
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Building Blocks of Physical-Layer Network Coding
This paper investigates the fundamental building blocks of Physical-layer Network Coding (PNC). Since its conception, PNC has developed into a subfield of network coding investigated by many. Most of ...
Provided By Cornell University
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Efficient Feedback-Based Scheduling Policies for Chunked Network Codes Over Networks with Loss and Delay
The problem of designing efficient feedback-based scheduling policies for Chunked Codes (CC) over packet networks with delay and loss is considered. For networks with feedback, two scheduling policies...
Provided By Cornell University
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On the Capacity Region of Two-User Linear Deterministic Interference Channel and Its Application to Multi-Session Network Coding
In this paper, the authors study the capacity of the two-user Multiple-Input Multiple-Output (MIMO) linear deterministic Interference Channel (IC), with possible correlations within/between the channe...
Provided By Cornell University
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Network Coding Based on Chinese Remainder Theorem
Random linear network code has to sacrifice part of bandwidth to transfer the coding vectors, thus a head of size k log |T | is appended to each packet. The authors present a distributed random networ...
Provided By Cornell University
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Dynamic Rate Adaptation for Improved Throughput and Delay in Wireless Network Coded Broadcast
In this paper, the authors provide theoretical and simulation based study of the delay performance for a number of existing throughput optimal broadcast schemes and uses the results to design a new dy...
Provided By Cornell University
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Modeling Network Coded TCP: Analysis of Throughput and Energy Cost
The authors analyze the performance of TCP and TCP with Network Coding (TCP/NC) in lossy networks. They build upon the framework introduced by Padhye et al. and characterize the throughput behavior of...
Provided By Cornell University
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Instantly Decodable Versus Random Linear Network Coding: A Comparative Framework for Throughput and Decoding Delay Performance
This paper explains the tension between throughput and decoding delay performance of two widely-used network coding schemes: Random Linear Network Coding (RLNC) and Instantly Decodable Network Coding ...
Provided By Cornell University
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Open Source CRM Systems for SMEs
Customer Relationship Management (CRM) systems are very common in large companies. However, CRM systems are not very common in Small and Medium Enterprises (SMEs). Most SMEs do not implement CRM syste...
Provided By Cornell University
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One-Step Quantized Network Coding for Near Sparse Gaussian Messages
In this paper, mathematical bases for non-adaptive joint source net-work coding of correlated messages in a Bayesian scenario are studied. Specifically, the authors introduce one-step Quantized Networ...
Provided By Cornell University
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Network Throughput Optimization via Error Correcting Codes
A new network construction method is presented for building of scalable, high throughput, low latency networks. The method is based on the exact equivalence discovered between the problems of maximizi...
Provided By Cornell University
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Physical Layer Network Coding for Two-Way Relaying with QAM
The design of modulation schemes for the physical layer network-coded two way relaying scenario was studied. It was shown that every network coding map that satisfies the exclusive law is represent ab...
Provided By Cornell University
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Generalized Degrees of Freedom for Network-Coded Cognitive Interference Channel
The authors explain a two-user cognitive Interference Channel (CIC) where one of the transmitters (primary) has knowledge of a linear combination (over an appropriate finite field) of the two informat...
Provided By Cornell University
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A Fully Distributed Opportunistic Network Coding Scheme for Cellular Relay Networks
In this paper, the authors propose an Opportunistic Network Coding (ONC) scheme in cellular relay networks, which operates depending on whether the relay decodes source messages successfully or not. A...
Provided By Cornell University
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Increasing Network Visibility Using Coded Repetition Beacon Piggybacking
Vehicular Ad-hoc NETworks (VANET) is one of the most challenging research areas in the field of Mobile Ad Hoc Networks. In this research, the authors propose a new mechanism for increasing network vis...
Provided By Cornell University
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An Authentication Scheme for Subspace Codes Over Network Based on Linear Codes
Network coding provides the advantage of maximizing the usage of network resources, and has great application prospects in future network communications. However, the properties of network coding also...
Provided By Cornell University
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A Cooperative MARC Scheme Using Analogue Network Coding to Achieve Second-Order Diversity
A Multiple Access Relay Channel (MARC) is considered in which an analogue-like network coding is implemented in the relay node. This analogue coding is a simple addition of the received signals at the...
Provided By Cornell University
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Non Binary LDPC Codes Over the Binary Erasure Channel: Density Evolution Analysis
In this paper, the authors present a thorough analysis of non binary LDPC codes over the binary erasure channel. First, the decoding of non binary LDPC codes is investigated. The proposed algorithm pe...
Provided By Cornell University
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Physical Layer Network Coding for the Multiple Access Relay Channel
The authors consider the two users wireless Multiple Access Relay Channel (MARC), in which nodes A and B want to transmit messages to a destination node D with the help of a relay node R. For the MARC...
Provided By Cornell University
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Osculating Spaces of Varieties and Linear Network Codes
The authors present a general theory to obtain good linear network codes utilizing the osculating nature of algebraic varieties. In particular, they obtain from the osculating spaces of Veronese varie...
Provided By Cornell University
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A Novel Architecture for Network Coded Electronic Health Record Storage System
The use of network coding for large scale content distribution improves download time. This is demonstrated in this work by the use of network coded Electronic Health Record Storage System (EHR-SS). A...
Provided By Cornell University
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Subset Codes for Packet Networks
In this paper, the authors present a coding-theoretic framework for message transmission over packet-switched networks. Network is modeled as a channel which can induce packet errors, deletions, inser...
Provided By Cornell University
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An Equivalence between Network Coding and Index Coding
The authors show that the network coding and index coding problems are equivalent. This equivalence holds in the general setting which includes linear and non-linear codes. Specifically, they present ...
Provided By Cornell University
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Coding Delay Analysis of Dense and Chunked Network Codes Over Line Networks
In this paper, the authors analyze the coding delay and the average coding delay of random linear network codes (a.k.a. dense codes) and Chunked Codes (CC), which are an attractive alternative to dens...
Provided By Cornell University
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Joint Optimization of Throughput and Packet Drop Rate for Delay Sensitive Applications in TDD Satellite Network Coded Systems
In this paper, the authors consider the issue of throughput and Packet Drop Rate (PDR) optimization as two performance metrics for delay sensitive applications in network coded Time Division Duplex (T...
Provided By Cornell University
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Forms and Linear Network Codes
The authors present a general theory to obtain linear network codes utilizing forms and obtain explicit families of equidimensional vector spaces, in which any pair of distinct vector spaces intersect...
Provided By Cornell University
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Localized Dimension Growth: A Convolutional Random Network Coding Approach to Managing Memory and Decoding Delay
The authors consider an Adaptive Random Convolutional Network Coding (ARCNC) algorithm to address the issue of field size in random network coding for multicast, and study its memory and decoding dela...
Provided By Cornell University
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Design of Binary Network Codes for Multi-User Multi-Way Relay Networks
The authors explain multi-user multi-way relay networks where N user nodes exchange their information through a single relay node. They use network coding in the relay to increase the throughput. Due ...
Provided By Cornell University
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On the Achievable Region for Interference Networks with Point-to-Point Codes
This paper studies evaluation of the capacity region for interference networks with Point-to-Point (p2p) capacity-achieving codes. Such capacity region has recently been characterized as union of seve...
Provided By Cornell University
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Relative Generalized Rank Weight of Linear Codes and Its Applications to Network Coding
Secure network coding was first introduced by Cai and Yeung, and further investigated by Feldman et al... In the scenario of secure network coding, a source node transmits n packets from n outgoing li...
Provided By Cornell University
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On Constellations for Physical Layer Network Coded Two-Way Relaying
Modulation schemes for two-way bidirectional relay network employing two phases: Multiple Access (MA) phase and BroadCast (BC) phase and using physical layer network coding are currently studied inten...
Provided By Cornell University
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Optimized-Cost Repair in Multi-Hop Distributed Storage Systems with Network Coding
In distributed storage systems reliability is achieved through redundancy stored at different nodes in the network. Then a data collector can reconstruct source information even though some nodes fail...
Provided By Cornell University
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A Novel Network Coded Parallel Transmission Framework for High-Speed Ethernet
Parallel transmission, as defined in high-speed Ethernet standards, enables to use less expensive optoelectronics and offers backwards compatibility with legacy Optical Transport Network (OTN) infrast...
Provided By Cornell University
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Linear Fractional Network Coding and Representable Discrete Polymatroids
A linear Fractional Network Coding (FNC) solution over Fq is a linear network coding solution over Fq in which the message dimensions need not necessarily be the same and need not be the same as the e...
Provided By Cornell University
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A Symbolic Approach to the Design of Nonlinear Networked Control Systems
Networked Control Systems (NCS) are spatially distributed systems where communication among plants, sensors, actuators and controllers occurs in a shared communication network. NCS have been studied f...
Provided By Cornell University
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Partial Spreads in Random Network Coding
Following the approach by R. K?tter and F. R. Kschischang, the authors explain network codes as families of k-dimensional linear subspaces of a vector space Fnq, q being a prime power and Fq the finit...
Provided By Cornell University
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Layered Subspace Codes for Network Coding
Subspace codes were introduced by Kotter and Kschischang for error control in random linear network coding. In this paper, a layered type of subspace codes is considered, which can be viewed as a supe...
Provided By Cornell University
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Moving Window Network Coding in Cooperative Multicast (v1)
Cooperative multicast is an effective solution to address the bottleneck problem of single-hop broadcast in wireless networks. By incorporating with the random linear network coding technique, the exi...
Provided By Cornell University
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Coding Opportunity Densification Strategies for Instantly Decodable Network Coding
In this paper, the authors aim to identify the strategies that can maximize and monotonically increase the density of the coding opportunities in Instantly Decodable Network Coding (IDNC).Using the we...
Provided By Cornell University
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Error Rate Analysis of GF(q) Network Coded Detect-and-Forward Wireless Relay Networks Using Equivalent Relay Channel Models
This paper investigates simple means of analyzing the error rate performance of a general qary Galois Field network coded detect-and-forward cooperative relay network with known relay error statistics...
Provided By Cornell University