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Cooperative network



Cooperative Security for Network Coding File Distribution.
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Abstract:Peer-to-peer content distribution networks can suffer from malicious participants that intentionally corrupt content. Traditional systems verify blocks with traditional cryptographic signatures and hashes. However, these techniques do not apply well to

Design and Implementation of a Network Security Model for Cooperative Network.
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Abstract: In this paper a design and implementation of a network security model was presented, using routers and firewall. Also this paper was conducted the network security weakness in router and firewall network devices, type of threats and responses to those

P4P: explicit communications for cooperative control between P2P and network providers
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Abstract The emergence of peer-to-peer (P2P) is posing significant new challenges to achieving efficient and fair utilization of network resources. In particular, without the ability to explicitly communicate with network providers, P2P applications depend mainly on

Imperfectly synchronized cooperative network using distributed space-frequency coding
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Abstract:In distributed multiple-input-multiple-output (MIMO) systems, imperfect synchronization causes a unique problem in a coded cooperative diversity system. In the presence of a fractional-symbol delay between the signals transmitted from different relay

Cooperative perceptual systems for partner robots based on sensor network
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Summary This paper proposes a method for cooperative perception of partner robots on a sensor network. While the perception of a robot is restricted locally, the observation from an environmental system is global. Therefore, the robot can easily perceive the environment

Fuel efficiency in cooperative network control systems
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ABSTRACT Current adaptive urban traffic control systems generally seek to minimize delays in the network. Some adaptive urban traffic control systems can take the number of stops by vehicles into account. The latter can be used to limit fuel inefficient accelerations. The

Increasing connectivity in wireless sensor network using cooperative transmission
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Abstract:Wireless sensor networks are used to perform sensor measurements under a variety of conditions. In settings with sparse distribution of sensor nodes, multi-hop routing is traditionally used to forward information from a source node to a destination node. A

2.8 DIGITIZATION OF HISTORICAL DAILY COOPERATIVE NETWORK DATA
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Daily data from the US National Weather Service Cooperative Station Network are archived in digital form at the National Climatic Data Center (NCDC) in a format known as TD3200 (France, 1998). The period of record generally begins in 1948, but for a few states and a

Network-coding-based adaptive decode and forward cooperative transmission in a wireless network: outage analysis
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Structured and distributed cooperative editing in a large scale network
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Abstract: In this chapter we discuss the advantages of a structured model of documents in a cooperative editor. The discussion is based on the experience gained in developing and using Alliance, a groupware application that allows several users distributed on a network

Verification of DAG structures in cooperative belief network-based multiagent systems
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Abstract Multiply sectioned Bayesian networks (MSBNs) provide a framework for probabilistic reasoning in a complex single user oriented system as well as in a cooperative multi-agent distributed interpretation system. During the construction or dynamic formation This chapter introduces the C-Cube concept combining cross-layer protocol design with cognitive and cooperative networking. As mobile devices are getting more flexible, it is envisioned that they should exploit their flexility and adapt to the current situation in the

Network analysis of cooperative learning
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Abstract We contrast two cooperative asynchronous learning groups-one structured, the other non-structured. The outcome was measured by content analysis. The cohesion and role structures were analyzed by Social Network Analysis. The structured group

Network externalities and cooperative networks: Stylized facts and theory
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This chapter argues that cooperatives may benefit from being in a region with other cooperatives, or in a sector in which there are many cooperatives, or within a supply chain (that is, having significant forward or backward linkages) in which cooperatives are

Neural network based classification techniques for wireless sensor network withcooperative routing
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Abstract:Wireless Sensor Networks (WSN) are battery powered. Hence every aspect of WSN is to be designed with energy constrain. Communication is the largest consumer of energy in WSN. Hence energy consumption during communication must be reduced to

Agent-based modelling and simulation of network cyber-attacks and cooperative defence mechanisms
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The important problem in network security which solution is urgently needed is the investigation of counteraction between malefactors and defence systems in computer networks, including the Internet, and the creation of effective cyber-defence systems. It is

Network coding for cooperative communications
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Abstract:In this paper, we propose network coding, as an efficient and low cost option for the implementation of block-Markov coding for cooperative communications. Cooperative communications is a strategy where users, besides transmitting their own encoded

Applying Reliability Solutions to a Cooperative Network.
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Abstract: Reliability is one of the most important concepts in computer networks field. Any network must be supplied with different techniques and methods to guarantee its continuity and functionality under the most sever circumstances. This paper highlights the steps

Cooperative and mobile agents to find relevant information in a distributed resources network
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ABSTRACT: This work presents a process which allow to retrieve relevant information in a distributed information resources network, heterogeneous by their content and in a constant evolution. This process is based on multi-agent methods and puts the emphasize on the

Evaluating cooperative web caching protocols for emerging network technologies
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Abstract While bandwidth for previous IP backbone networks deployed by Internet Service Providers typically has been limited to 34 Mbps, current and future IP networks provide bandwidth ranging from 155 Mbps to 2.4 Gbps. Thus, it is important to investigate the

Artificial Intelligence and Neural Network Based Tools for Cooperative Learning
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On the optimal number of cooperative base stations in network mimo
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Abstract We consider a multi-cell, frequency-selective fading, uplink channel (network MIMO) where K user terminals (UTs) communicate simultaneously with B cooperative base stations (BSs). Although the potential benefit of multi-cell cooperation grows with B, the

Cooperative PSO based PID neural network integral control strategy and simulation research with asynchronous motor controller design
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Abstract: This paper focuses on the design of robustness controller for asynchronous motor. a new PID neural network-integral (PIDNN-I) synthesis control strategy is proposed for the controller design, in which NARMA-L2, an approximated model of non linear auto

Building a Learning Network on Governance: The Experience of the GovernanceCooperative
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Executive Summary The Institute On Governance (IOG) convened the Governance Cooperative in 1996, with support from Canadian Partnership Branch at the Canadian International Development Agency (CIDA). The purpose of the Coop was threefold: to

Two hot issues in cooperative robotics: Network robot systems, and formal models and methods for cooperation
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Executive Summary This white paper on two currently hot areas on Cooperative Robotics research (Network Robot Systems and Formal Models and Methods) aims to:(1) survey the state of the art for the two areas,(2) list in a justified manner their expected advances in the

A Proposal Mechanism Against the Attacks: Cooperative Blackhole, Blackmail, Overflow and Selfish in Routing Protocol of Mobile Ad Hoc Network
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Abstract The present work is dedicated to study attacks and countermeasure in MANET. After a short introduction to what MANETs are and network security we present a survey of various attacks in MANETs pertaining to fail routing protocols. We present the different

An analysis of obstruction in cooperative work over a computer network
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Abstract In a cooperative process of designing software specifications, various activities such as deciding, changing or validating a specification are performed. On such activities over a computer network, an efficiency of work or a quality of the software products seem

Cooperative Spectrum Sensing and Weighted-Clustering Algorithm for Cognitive RadioNetwork
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Abstract:Cognitive radio is a promising technique for efficient utilization of idle authorized spectrum since it is able to sense the spectrum and reuse the frequency when the primary user is absent. In order to overcome the fading, shadowing or hidden terminals in

A heterogeneous cognitive radio network enabling dissimilar cooperative spectrum sensing, dynamic spectrum access, and interoperability
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In this demonstration, the Center for Wireless Telecommunications (CWT) will build and operate a heterogeneous cognitive radio (CR) network which enables dissimilar cooperative spectrum sensing, dynamic spectrum access (DSA), and interoperability among legacy

Cooperative space-time codes with opportunistic network coding
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Abstract:Cooperative communications has emerged as one of the most efficient way of exploiting spatial diversity in wireless communications. Cooperative communications is a strategy where users, besides transmitting their own information, also relay re-encoded

Symbiosis: Cooperative algorithms for mobile robots and a sensor network
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We address the problem of monitoring spatiotemporal phenomena at high fidelity in an unknown, unstructured, dynamic environment. Our thesis is that a cooperative system comprised of mobile robots (suitable on their own for efficient temporal sampling) and a

Alleppey tourism development cooperative: The case of network advantage
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Abstract This case study portrays an important organizational innovation in the SME sector of the tourism industry. ATDC is a cooperative society of houseboat owners and other stakeholders in the houseboat tourism business in Alleppy, a backwater town located in

Cooperative spectrum sensing and Detection efficiency in cognitive radio network
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Abstract:Spectrum sensing is required for better utilization of spectrum and preventing interference with licensed users. However, detection performance in practice is often compromised with multipath fading, shadowing and receiver uncertainty issues. To

Joint cooperative routing and energy-aware routing for maximizing wireless network life time
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Abstract Maximizing the lifetime of a wireless network in which the nodes have limited energy supply is generally the motivating factor for developing energy efficient wireless network technologies. One such technique that has gained much interest is cooperative

The Performance Improvement of Long Range Inter-relay Wireless Cooperative Network using Three Time Slot TDMA based Protocol
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Abstract:Time division multiple access (TDMA) amplify and forward based protocols for cooperative wireless networks have been investigated previously by various researchers. However, the analysis for these protocols is not considered for long range cooperative

INCREASING LIFETIME AND REDUCING ENERGY CONSUMPTION OF A WIRELESS SENSORNETWORK USING A NEW APPROACH CTT (COOPERATIVE
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Abstract:Wireless Sensor networks are dense wireless networks of small sensors, which collect and disseminate environmental data. The collected data or information is processed, interpreted and accordingly actions are performed. Wireless sensor networks facilitate

Towards a Cooperative Defense Model Against Network Security Attacks.
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Abstract. It is widely acknowledged that internet security issues can be handled better through cooperation rather than competition. We introduce a game theoretic cooperative model against network security attacks, where users form coalitions and invest in joint

Cooperative behavior in a jump diffusion model for a simple network of spiking neurons
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Abstract. The distribution of time intervals between successive spikes generated by a neuronal cell the interspike intervals (ISI) may reveal interesting features of the underlying dynamics. In this study we analyze the ISI sequence the spike train generated by a

Diversity and coding gain of multi-source multi-relay cooperative wireless networks with binary network coding
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Abstract In this paper, a multi source multi relay cooperative wireless network with binary network coding is studied. The system model encompasses: i) a demodulate and forward protocol at the relays, where the received packets are forwarded regardless of their

The Train-Sea-Coast Program: a decentralized, cooperative training network for the systematic development of human resources
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ABSTRACT This paper discusses the main features of the TRAIN-SEA-COAST Program by comparing traditional approaches to human resources development and the TRAIN-X

A novel radial basis function neural network classifier with centers set by cooperativeclustering
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The selection of centers and widths has a strong influence on the performance of radial basis function neural network classifier. In this paper, a novel approach of clustering based on Fuzzy C-means clustering is proposed, which is called cooperative clustering, and use

6-2 Distributed and Cooperative Service Platforms for Home Network Services
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With recent advances in hardware and software technologies, a variety of appliances have grown increasingly multi-functional and sophisticated. The value of each of these units has thus increased dramatically. On the other hand, the digitalization and networking of home

Performance analysis of some distributed network and channel coding schemes in cooperative transmissions
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Abstract: The distributed channel coding and network coding have been employed for the improvement of the performances of cooperative transmissions. This paper compares the performances provided by three transmission schemes that employ distributed channel

Cooperative Authorship Social Network.
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Abstract. This paper introduces a set of challenges for developing a dissemination service over a Web collaborative network. We define specific metrics for working on a co-authorship research social network. As a case study, we build such a network using those metrics

Cooperative Work in a Health Care Network Through a Virtual Staff
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Abstract. The paper presents a software tool called Virtual Staff which enables members of a healthcare network to visualize their collective reasoning: in order to diagnose the pathology of the patient (according to the symptoms expressed by the patient, the observations or

Downlink system capacity of a cellular network with cooperative mobile relay
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Abstract:This paper studies the performance of a hybrid cellular network with cellular controlled direct radio links between multiple mobile User Equipments (UEs). The main focus is on the downlink of the proposed system with multiple idle UEs acting as relays to

A Cooperative Vehicular Network Framework
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This paper address car-to-road communication in which vehicles travelling on highways use sparse Access Points in a Delay Tolerant Network architecture. Due to the high speeds,

A two HOP ACK scheme for ensuring survivability in a cooperative transmission network
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Abstract:In this paper we propose a new acknowledgement scheme for a wireless sensor network that uses opportunistic large arrays (OLAs). An OLA is a simple type of cooperative transmission in which simple, inexpensive relays or forwarding nodes operate without any

Cooperative Application-level Processing on Hosts and their Attached Network Processors
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Overlay networks, ranging from simple front-end/back-end distinctions made in large scale server systems, to ones that extend across multiple Inter-or intra-net nodes, are finding increasing use in large scale distributed and grid applications. Services required by

The application of software defined radio in a cooperative wireless network
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ABSTRACT This article describes the use of Software Defined Radio over the Software Controlled Radio in a cooperative wireless network in an OFDM based downlink scenario. The article argues that although the state of the art of SCR is considered superior with

Shared leadership network: A cooperative pattern in knowledge-based teams
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ABSTRACT. This paper proposes shared leadership (SL) as a cooperative pattern in respond to the requirement of knowledge organization. It gives an integrative definition of SL based on the accumulative and interactive perspectives of recent research. The

Adaptive Vehicle to Vehicle Heterogeneous Transmission in Cooperative CognitiveNetwork VANETs
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Abstract. The vehicle-to-vehicle (V2V) communication system is an active radio broadcast system to receive information of disseminated road congestion and accident in realtime situation. V2V and vehicle-to-infrastructure (V2I) communication are developed based on

Cooperative protocol for analog network coding in wireless networks
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Abstract:We consider a cooperative protocol for wireless networks employing analog network coding (ANC) for the case of independent, uncoordinated transmissions. In particular, we present a protocol under which network nodes allow the transmitted signals

An issue of boundary value for velocity and training overhead using cooperative MIMO technique in wireless sensor network
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Abstract. A boundary value of velocity of data gathering node (DGN) and a critical value for training overhead beyond which the cooperative communication in wireless sensor network will not be feasible is proposed in this paper. Multiple Input Multiple Outputs (MIMO)

A Cooperative Approach to Supply Chain Network Design
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Abstract: Supply chain design problems can be analyzed as cooperative linear production games. The maximal total payoff and the optimal coalition of a market responsive supply network can be obtained from the solution of the mixed-variables Linear Programming

Cooperative Visual Surveillance Network with Embedded Content Analysis Engine
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Visual surveillance plays an important role in security systems of digital home and enterprise Evolving from CCTV video surveillance, the IP camera surveillance system with Internet as the connection backbone is a trend in recent years. A typical IP

Enhancing Network Lifetime in Wireless Sensor Networks Using Multiple Base Stations andCooperative Diversity
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Abstract A key issue in wireless sensor networks is maximizing the network lifetime. Network lifetime becomes particularly important in sensor networks where the sensor nodes, distributed typically in remote/hostile sensing areas, are powered by finite energy batteries

J5. 8 THE GEORGIA MESONET: CONCEPTS AND SYSTEMS TO DEMONSTRATE A NEWCOOPERATIVE CLIMATE NETWORK
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The National Weather Service (NWS), as part of the National Oceanic and Atmospheric Administration (NOAA), oversees the operation and maintenance of the Cooperative Observer Network (COOP)-a network of meteorological observation stations scattered


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