... These networks are characterized by the following two salient features: (i) very high capacity achieved via DWDM (Dense Wavelength Division ...

From the Web site: "INESP is intended to provide the scientific capacity by which sustainability of pollination systems can be achieved. This scientific ... ...

The available transfer capacity of a transmission route is traditionally limited by deterministic security constraints. More efficient and flexible network utilization could be achieved with probabilistic planning methods. This report introduces a simple ...

John Cory speaking at a conference on library networks identified four generations of library organization, each achieving increasing levels of capacity,effectiveness, complexity and versatility and decreasing unit cost. The four generations are: (1) A si...

Pre-configuration Cycle (p-cycle) is a promising approach for protecting working capacities in wavelength-division-multiplexing (WDM) mesh networks because of its ability to achieve ring-like recovery speed while maintaining the capacity efficiency of a mesh-restorable network. The p-cycle ...

Efficient bi-directional multi-hop wireless networks based on MIMO algorithm or network coding have been proposed in recent papers. This paper proposes a new technique named as MIMO network coding, that is a combination of network coding and MIMO algorithm for multi-hop relay networks. By using ...

We study the problem of error-free multiple unicast over directed acyclic networks in a quantum setting. We provide a new information-theoretic proof of the known result that network coding does not achieve a larger quantum information flow than what can be achieved by routing for two-pair communication on the ...

Clever assignments of link weights are able to change communication routes in such a way that loads are distributed almost evenly across a network. This is achieved by weight assignments based on the link load. As demonstrated for scale-free as well as synthetic Internet networks, they decorrelate the loads of the nodes and links from ...

Scale-free networks can be disintegrated by attack on a single or a very few nodes through the process of cascading failures. By utilizing a prototype cascading model, we previously determined the critical value of the capacity parameter below which the network can become disintegrated due to attack on a single node. A fundamental ...

This paper presents a number of design issues under consideration in the development of an all-optical network linking major centers in Europe. The proposed network is characterized by spanning a large geographical area, the diameter is in excess of 3000 km, but with a relatively small number of nodes (20). The study combines aspects of two optical ...

This paper considers a business model that involves two layers in the telecommunications capacity market: wholesaler and retailer. It introduces a new reliability measure to benefit network retailers. Unlike previously proposed measures, the measure considers further service degradations once the network is disconnected. This measure ...

In this chapter, we explore techniques for capacity estimation and throughput maximization in multi-hop wireless networks. The specific problem we investigate is the following: how can we characterize the set of all feasible end-to-end connection throughput rate vectors which can be supported by the network (i.e., what is the ...

We present a study of the application of a variant of a recently introduced heuristic algorithm for the optimization of transport routes on complex networks to the problem of finding the optimal routes of communication between nodes on wireless networks. Our algorithm iteratively balances network traffic by minimizing the maximum node ...

to improve the throughput performance in such a high stress network, it is meaningful to assess the upper TPT reflects the maximum achievable throughput by an MT if all its transmissions were successful experiments, reflecting all transmissions that occurred from other devices in surrounding networks

Composite materials with interpenetrating network structures usually exhibit unexpected merit due to the cooperative interaction. Locally resonant phononic crystals (LRPC) exhibit excellent sound attenuation performance based on a periodical arrangement of sound wave scatters. Inspired by the interpenetrating network structure and the LRPC concept, we ...

In this paper, we show how to achieve close-to-optimal utility performance in energy harvesting networks with only finite capacity energy storage devices. In these networks, nodes are capable of harvesting energy from the environment. The amount of energy that can be harvested is time varying and evolves according ...

The spectacular growth of cellular telephone networks has demonstrated the demand for personal communications. Communication systems based on low earth orbit (LEO) constellations of satellites seem to be an adequate approach to achieve a world-wide network. When defining the capacity in terms of satellite circuits, ...

In this paper, an architecture of MIMO mesh network which avoids co-channel interference and supplies link multiplexing simultaneously, namely MIMO spatial spectrum sharing, is proposed. As a MIMO transmission scheme, linear (such as zero-forcing) and nonlinear (such as dirty paper coding and successive interference cancellation) MIMO algorithm are developed for the proposed ...

We address the problem of multiuser co-channel interference scheduling in multicell interference-limited networks. Our target is to optimize the network capacity under the SIR-balanced power control policy. Since it's difficult to optimize the original problem, we derive a new problem which maximizes the lower bound of the ...

The wide-band code division multiple access (WCDMA) based 3G and beyond cellular mobile wireless networks are expected to provide a diverse range of multimedia services to mobile users with guaranteed quality of service (QoS). To serve diverse quality of service requirements of these networks it necessitates new radio resource management strategies for ...

This critical review considers current issues of research capacity development in UK health care and the role of health librarianship in this context, placing particular focus on the use of research networks. There is a growing literature base recognising the need for librarians to engage more with research. The concepts of evidence-based health ...

We present a session initiation protocol (SIP) network design for a voice-over-IP network to prevent congestion caused by people calling friends and family after a disaster. The design increases the capacity of SIP servers in a network by using all of the SIP servers equally. It takes advantage of the fact that ...

... Title : Key Factors that Influence Network Capacity and Architecture: Feedback, Duality and Source-Channel Separation. ...

Light armoured vehicles will rely on sensors, on-board computing and digital wireless communications to achieve improved performance and survivability. Constrained by low latency response to threats, individual vehicles will share sensory information with other platoon vehicles benefiting from a flexible, dynamic, self-adapting network environment. As ...

The second generation of French domestic satellites, Telecom 2, is discussed. The main communication characteristics of these satellites are described, and the main tradoffs which have been made in the design of the C-band and Ku-band payloads and networks are examined. It is shown how these tradeoffs optimize the achievable capacity ...

the achievable capacity of the secondary service which employs opportunistic spectrum Access (OSA) over a fading environment based on the primary network activity. We categorized OSA methods into Access Limited OSA (AL- OSA), and Interference Limited OSA (IL-OSA) schemes. In AL-OSA the spectrum is shared with the secondary service

Social system networks with high data rates and limited storage will discard data if the system cannot connect and upload the data to a central server. We address the challenge of limited storage capacity in mobile health systems during network partitions with a heuristic that achieves efficiency in storage ...

A prototype neutral network system of multifaceted, planar interconnection holograms and opto-electronic neurons is analyzed. This analysis shows that a hologram fabricated with electron-beam lithography has the capacity to connect 6700 neuron outputs to 6700 neuron inputs and that the encoded synaptic weights have a precision of approximately 5 bits. ...

Infrastructure wireless mesh network has been attracting much attention due to the wide range of its application such as public wireless access, sensor network, etc. In recent years, researchers have shown that significant network throughput gain can be achieved by employing network coding in a ...

This study focuses on an evaluation project that served as a powerful professional development experience for teachers and leaders in a network of Chicago small schools. The network of small schools led by the Chicago High School Redesign Initiative is based on the Authentic Intellectual Achievement (AIA) framework originally conceived ...

We studied the information traffic in Barab�si Albert scale-free networks wherein each node has a finite queue length to store the packets. It is found that in the case of the shortest path routing strategy, the networks undergo a first-order phase transition, i.e. from a free flow state to a full congestion state, with increasing packet generation rate. ...

This chapter discusses the problem of providing call admission control (CAC), scheduling and band reservation for wireless networks. It presents the importance of such procedures focusing mainly on WiMax mesh mode networks. The chapter also classifies some of the most known proposals presented in the literature to solve the scheduling and CAC problems for ...

Broadband wireless access operating in the microwave and millimeter-wave frequency windows has been actively investigated for future ultra broadband communications. The drastic increase in the throughout of each base station in these systems necessitates the use of an optical fiber backbone to provide broadband interconnections between the central office and all the antenna base stations. With ...

Transport networks are vital components of multicellular organisms, distributing nutrients and removing waste products. Animal and plant transport systems are branching trees whose architecture is linked to universal scaling laws in these organisms. In contrast, many fungi form reticulated mycelia via the branching and fusion of thread-like hyphae that continuously adapt to ...

... on maintaining network integrity, planning resource and capacity usage, and monitoring network performance. Some advanced ...

. The architecture of an artificial neural network consists on a finite number of cells or neurons with connectionsSaturated Linear Recurrent Neural Networks with Maximum Capacity Fernanda Botelho \\Lambda botelhof and recurrent neural network models with saturated linear neurons. A definition of ...

Wireless mesh networks have been attracting many users in recent years. By connecting base stations (mesh nodes) with wireless connections, these network can achieve a wide-area wireless environment with flexible configuration and low cost at the risk of radio interference between wireless links. When we utilize wireless mesh ...

Abstract � Key management is a major challenge in the design and deployment of secure wireless sensor networks. A common assumption in most distributed key management schemes is that all sensor nodes have the same capability. However, recent research work has shown that the connectivity and lifetime of the sensor network can be substantially improved if ...

Communication networks consume huge, and rapidly growing, amounts of energy. However, a lot of the energy consumption is wasted due to the lack of global link power coordination in these complex systems. This paper proposes several link power coordination schemes to achieve energy-efficient routing by progressively putting some links into energy saving ...

... Accession Number : ADD801084. Title : Achieving Integrated Automation Through Computer Networks. Corporate Author : ...

ACHIEVING CONSENSUS IN SELF-ORGANIZING WIRELESS SENSOR NETWORKS: THE IMPACT OF NETWORK TOPOLOGY ON ENERGY ...

Consider a relay cascade, i.e. a network where the source node, the sink node and a certain number of intermediate relay nodes are arranged in a line. We assume that adjacent node pairs are connected by error-free (q+1)-ary pipes. Following communication scenario is treated. The source and a subset of the relays wish to communicate independent information to a common sink ...

Capacity constraints on the transmission network--the key to achieving most of the economic benefits promised by restructuring--affect competition in electricity generation. Despite early speculation to the contrary, economic models are unable to predict whether imperfect competition in generation increases or reduces transmission ...

Wisden, Tenet, RMST Unreliable IFRC, Fusion, CODA QCRA, ESRT Surge, CentRoute, RBC Table 1--Sensor, routing tree, and link loss rate information. ESRT (Event- to-Sink Reliable Transport) [24], is also to increase or decrease rate in order to achieve the desired event reliability. But ESRT assumes that the sink

To understand the influence of structure on the function of neural networks, we study the storage capacity and the retrieval time of Hopfield-type neural networks for four network structures: regular, small world, random networks generated by the Watts-Strogatz (WS) model, and the same ...

To understand the influence of structure on the function of neural networks, we study the storage capacity and the retrieval time of Hopfield-type neural networks for four network structures: regular, small world, random networks generated by the Watts-Strogatz (WS) model, and the same ...

To understand the influence of structure on the function of neural networks, we study the storage capacity and the retrieval time of Hopfield-type neural networks for four network structures: regular, small world, random networks generated by the Watts-Strogatz (WS) model, and the same ...

... NAVAL CIVIL ENGINEERING LAB PORT HUENEME ... to 30% increase in holding capacities was attained ... to achieve the maximum holding capacity. ...

Deficit Round Robin (DRR) is a fair packet-based scheduling discipline commonly used in wired networks where link capacities do not change with time. In wireless networks especially wireless broadband networks such as IEEE 802.16e Mobile WiMAX, the link capacity can change over time and also ...

Broadband over Power Line (BPL) technology has garnered significant attention lately due to recent advancements in solid state technologies and channel coding schemes. The successful application of BPL technology for in-home automation and networking has led to suggestions of applying BPL in other systems including ships. The application of BPL technology using the Shipboard ...

The implementation of network centric warfare on the battlefield has driven the growing demand for high capacity warfighter communication systems. Although new high capacity SATCOM systems such as WGS are being introduced in the near term, these systems use the interference avoidance paradigm, which fundamentally limits overall ...

... REDUNDANCY TO ACHIEVE SURVIVABILITY IN ... One assumes that the redundant computation can be modeled by a network. ...

... and S&T - Allows users to query the DoD laboratory community or ... Title : Achieving Operational Adaptability: Capacity Building Needs to Become a ...

A key challenge of collaborative surgical simulation is to maintain a high level of state consistency among the distributed users under the limitation of network transmission capacity. In this paper, a framework integrating a scalable deformable model and an extensible communication protocol is proposed to meet this challenge. The parameters of the ...

Efficiently grooming low-rate traffic flows into high-capacity lightpaths will improve the network throughput and resource utilization. In this paper, we study the traffic -grooming algorithm for WDM mesh networks. A novel dynamic grooming graph is proposed, which models the number of transceivers per node and the number of wavelength ...

... a basis for achieving efficient multiprocessor implementation of highly and massive neural networks. Traditionally, neural network research and ...

... for random network coding with unreliable links, and adaptive techniques for achieving interference alignment in MIMO interference networks. ...

... and Detection of Unknown Formats Using Artificial Neural Networks. ... of two different neural network types, and ... of the neural networks and achieve ...

... Accession Number : ADA427994. Title : Vehicle Capacity API for Transportation Infrastructure Network Builder (TINet). Descriptive Note : Final rept. ...

Page 1. AFRL-IF-RS-TR-2003-178 Final Technical Report August 2003 ULTRA-HIGH CAPACITY NETWORKING ENABLED ...

Abstract: In this paper we present a methodology to decide capacity expansions for a transit network that finds a robust solution with respect to the ...

... Accession Number : ADA536086. Title : Maximizing Capacity in Multi-Hop Cognitive Radio Networks Under the SINR Model. ...

... the capacity of multilayered neural networks. An upper bound on the number of patterns (input-output pairs) that a layered neural network can learn ...

Page 1. Capacity of Multi-Channel Wireless Networks with Random Channel Assignment: A Tight Bound ... z nodes have iid channel assignments. ...

... Title : Capacity Analysis of Multihop Packet Radio Networks under a General Class of Channel Access Protocols and Capture Models. ...

The use of the dual graph in determining the maximal flow capacity of an undirected source-sink planar network has been extended to general networks. A directed dual graph is first defined for directed source-sink planar networks such that the length of t...

In this paper, we present the architecture of a Video-on-Demand system called VIOLA. This system exhibits two distinctive features not found in other Video-on-Demand systems, namely scalability, and fault tolerance. System scalability is achieved through a novel Server Array architecture in which video data are distributed among an array of servers. This allows one to scale up ...

Peer-to-Peer (P2P) systems such as live video streaming and content sharing are usually composed of a huge number of users with heterogeneous capacities. As a result, designing a distributed algorithm to form such a giant-scale topology in a heterogeneous environment is a challenging question because, on the one hand, the algorithm should exploit the heterogeneity of users' ...

Wavelength Division Multiplexed (WDM) networks that route optical connections using intelligent optical cross-connects (OXCs) is firmly established as the core constituent of next generation networks. Rapid failure recovery is fundamental to building reliable transport networks. Mesh restoration promises cost effective failure recovery ...

... Approved for public release; federal purpose rights ... affect the capacity of a random wireless network. ... of the interfering TXs in the statistics of the ...

... ii) Communication between hosts at different local area networks (intemetwork traffic) ... seen as waiting in a global queue for accessing the channel. ...

... Title : General Potential Surfaces and Neural Networks ... system with a much superior performance as an ... In particular the capacity of any system of N ...

... COMPUTERIZED SIMULATION, *NEURAL NETS, *COMPUTER NETWORKS, *BINARY PROCESSORS, *NETWORK ARCHITECTURE, STABILITY ...

In the present paper, the performance of cooperative relaying networks with adaptive relaying scheme selection is analyzed. Cooperative relaying is a new technique to achieve spatial diversity gain by using neighboring stations. However, when multiple stations transmit simultaneously, the number of interference signals increases. Therefore, the ...

The main challenges in international health are to scale up effective health interventions in low- and middle-income countries in order to reach a higher proportion of the population. This can be achieved through better insight into how health systems are structured. Social network analysis can provide an appropriate and innovative paradigm for the health ...