Проблеми телекомунікацій
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Перегляд Проблеми телекомунікацій за автором "Агеев, Д. В."
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Публікація Критерий функционирования автоматизированных диспетчеров телекоммуникационных датацентров(Проблеми телекомунікацій, 2011) Саваневич, В. Е.; Агеев, Д. В.; Ткачев, В. Н.The problem of functioning the automated controllers of telecommunication datacenters is considered and introduction by criterion of the systems distributing content is offered, developed suggestion on the method of choice parameters of this criterion.Публікація Метод проектирования телекоммуникационных систем с использованием потоковой модели для многослойного графа(Проблеми телекомунікацій, 2010) Агеев, Д. В.In the given article proposed a modern telecommunication systems design method with usage of author's multilayer graph mathematical model has been proposed. A flow model of telecommunication system has been analyzed for multilayer graph.Публікація Метод структурно-параметрического синтеза беспроводной сети доступа с использованием технологии Radio over Fiber(Проблеми телекомунікацій, 2013) Переверзев, А. А.; Агеев, Д. В.Radio access network over fiber technology combines both wireless and fiber-optic technology. The advantages of this technology are low attenuation, bigger network bandwidth, easy installation and management, reduced power consumption, multiservice, dynamic allocation of resources. The article is devoted to solving the problem of wireless access network design, which is based on usage on distribution network level radio over fiber (RoF) technology. Features of this method is its complexity. This method solves the problem as a design Wireless network as the synthesis of the distribution network. To solve the problem made it decomposed into three subtasks: frequency-territorial planning a wireless network, the synthesis of the distribution network topology, routing and wavelengths assignment they. Paid attention to the fact that routing and wavelength assigning necessary to consider the phenomenon of four-wave mixing, which has a significant impact on the probability of bit errors in data traffic on the network. Therefore, the proposed solution method is a modification of a previously known method and takes into account the phenomenon of four-wave mixing.Публікація Методика определения параметров потоков на разных участках мультисервисной телекоммуникационной сети с учетом эффекта самоподобия(Проблеми телекомунікацій, 2011) Агеев, Д. В.; Игнатенко, А. А.; Копылев, А. Н.In the given article the list of problem, which occured during multiservice telecommunication network synthesis is proposed, mathematic models for self-similar flows for diferent network segments are selected and method with determine them parameters is proposed.Публікація Параметрический синтез мультисервисных телекоммуникационных систем при передаче группового трафика с эффектом самоподобия(Проблеми телекомунікацій, 2013) Агеев, Д. В.This study is devoted to the problem of parametric synthesis of multiservice telecommunication systems. The main characteristics of telecommunication systems, which are brought to account in an article, are multilayer structure formed by the overlayed networks and presence flows with self-similarity effect. For accounting these features of modern telecommunications systems is proposed to use a multilayered graph for describing the system structure, and self-similar processes model for modeling flows in a network. Solution of parametric synthesis problem is reduced to a nonlinear programming problem which is solved by using gradient descent method.Публікація Распределение потоков в сетях WDM с учетом эффекта самоподобия(ХНУРЭ, 2013) Агеев, Д. В.An important stage of design and operation of telecommunication systems is the routing and find the intensity of flows along these routes. This problem is known as the problem of flow distribution. Existing methods for the solution based on Poisson flow models that have lost their value for modern multiservice traffic. Studies have shown more precisely the properties of self-similar traffic models described processes. Despite the large number of publications in the direction of self-similar traffic study there is a significant lack of work on the application of these models in the synthesis of telecommunication systems. We propose a modification of the previously known method bias unbranched flows in order to account for the effect of self-similarity . As a result, the base method have changed a number of computational expressions, finding the parameters of providing aggregated flows and the average delay in the network. Proposed in the method can be used in the design of large balanced telecommunication system which is a fair assumption that a small degree of influence of one flow on quality of service parameters of the whole network.Публікація Структурный и параметрический синтез наложенной сети IP/MPLS поверх сети WDM с применением модели, представленной в виде многослойного графа(Проблеми телекомунікацій, 2012) Агеев, Д. В.Transport networks are an important components of modern multi-service telecommunication systems. Future technical characteristics of transport networks and their economic efficiency is laid at the design stage. Given article devoted to the structural synthesis problem of IP/MPLS overlay network over WDM network. Route for flows transmission in the transport network can be formed with the use of technology IP / MPLS network, or WDM-network. These technologies have features that results to need the choice between the flexibility of the formation routes and efficient use of bandwidth channels (IP/MPLS technology) and minimizing the network cost by simplifying the hardware of nodes (technology WDM). When solving this problem is given to the choice of bandwidth, transmission routes and topology synthesis together at both levels overlay network. To solve this problem, we use the model as a multilayer graph, as well as flow model for the multilayer graph. The use of models in the form of multilayer graph can adequately describe the structure of the designed network, considering the relationship of processes at its different levels and to provide of describing telecommunications network as a single integral entity. Flow model has allowed to formulate the synthesis problem as a linear programming problem and solved it by using standard optimization software packages. Research of efficiency of the proposed method has shown that this method allows obtaining the structure of the transport network in the 7 - 11% less cost in comparison with the methods based on the sequential design of each level.Публікація Структурный синтез гетерогенной оптической телекоммуникационной сети xWDM(Проблеми телекомунікацій, 2012) Агеев, Д. В.; Хайдара АбдаллаHeterogeneous optical network with ring topology on backbone segment structural synthesis method was proposed, which use model of elastic network. Application of this model has reduced the time required to solve the problem.Публікація Структурный синтез сети WDM с оптическими конверторами с применением модели, представленной в виде многослойного графа(Проблеми телекомунікацій, 2012) Агеев, Д. В.; Хайдара АбдаллаThe proposed method is based on the representation of the network, which is synthesized as a combination of overlays networks and multilayer graph usage. It is possible to solve the problem of simultaneous topology synthesis, routing and wavelength assignment, optical converters placement, and get the network configuration with lower cost.