Now showing items 1-20 of 106

    • APPLICATION OF DIFFERENT KINDS OF APPROXIMATION IN SIGNALS RESTORATION 

      Стрелковская, И.В.; Луцик, Е.; Паскаленко, С.А.; Стрелковська, І.В.; Луцик, О.; Паскаленко, С.А.; Strelkovskaya, I.V.; Lysiuk, E.; Paskalenko, S.A. (IEEEPIC S&T 2015 Харьков, 2016)
      It is proposed the method of continuous signals restoration by different kinds of approximation: Lagrange polynomial, Kotelnikov interpolation series, linear and cubic splines, Haar wavelet and Kotelnikov-Shannon wavelet. ...
    • APPROXIMATION OF SELLF-SIMIAR TRAFFIC BY SPLINE-FUNCTIONS 

      Стрелковская, И.В.; Соловская, И.Н.; Северин, Н.В.; Паскаленко, С.А.; Стрелковська, І.В.; Соловська, І.М.; Северин, М.В.; Паскаленко, С.А.; Strelkovskaya, I.V.; Solovskaya, I.N.; Severin, N.V.; Paskalenko, S.A. (Львовский политехнический национальный университет, 2016)
      Modeling of self-similar traffic is performed for the queuing system of G/M/1/K type using Weibull distribution. To study the self-similar traffic the simulation model is developed by using SIMULINK software package in ...
    • COMPARATIVE ANALYSIS OF SIGNALS RESTORATION BY DIFFERENT KINDS OF APPROXIMATION 

      Стрелковская, И.В.; Луцик, Е.; Золотухин, Р.В.; Стрелковська, І.В.; Луцик, О.; Золотухін, Р.В.; Strelkovskaya, I.V.; Lysiuk, E.; Zolotukhin, R.V. (2016)
      The comparative analysis of continuous signals restoration by different kinds of approximation is performed. The software product, allowing to define optimal method of different original signals restoration by Lagrange ...
    • COMPARISON OF METHODS FOR MULTIPATH ROUTING FOR TELECOMMUNICATION NETWORKS 

      Стрелковская, И.В.; Левченко, А.; Стрелковська, І.В.; Левченко, А.; Strelkovskaya, I.V.; Levchenko, A. (ОНАЗ ім. О.С. Попова, 2016)
      The work contains a comparison of the results of the use of different methods for multipath routing with alternate loading on network resources, Gallagher multipath routing and alternative solution - nodal tensor method ...
    • DEVELOPING THE ARCHITECTURE OF INTEGRATED 5G MOBILE NETWORK BASED ON THE ADAPTATION OF LTE TECHNOLOGY 

      Tikhonov, V.I.; Тихонов, В.І.; Тихонов, В.И.; Nesterenko, S.A.; Нестеренко, С.А.; Нестеренко, С.А.; Babich, Yu.O.; Бабіч, Ю.О.; Бабич, Ю.О.; Berezovsky, V.V.; Березовський, В.В.; Березовский, В.В. (НПП ЧП «Технологический Центр», 2017)
      Проведено аналіз різонерів для роботи з онтологічними базами знань з метою збільшення швидкодії цих баз. Запропоновано варіант рішення, в якому комбінуються переваги «tableau»-based і «hypertableau»-based різонерів. Проведено ...
    • DEVELOPMENT AND PROOF-OF-CONCEPT IMPLEMENTATION OF AN SDN-APPLICATION 

      Стрелковская, И.В.; Котельникова, Н.О.; Стрелковська, І.В.; Котельникова, Н.О.; Strelkovskaya, I.V.; Kotelnikova, N.O. (ОНАЗ ім. О.С. Попова, 2016)
      Software-Defined Networking (SDN) is a brand new concept for a dynamic and scalable network, that separates the control and data plane logic of traditional network devices, and create a flexible manageable architecture. ...
    • EFFICIENCY ESTIMATION OF COMPUTING GRIDS WITH VARIOUS TRAFFIC TYPES 

      Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (ОНАЗ ім. О.С. Попова, 2017)
      For the efficiency evaluation of computing grids with different types of traffic, reenterable colored Petri nets are suggested. The principles of constructing models in the form of reenterable colored Petri nets are ...
    • ESTIMATING THE SERVICE WAITING PROBABILITY IN A SINGLE-CHANNEL SYSTEM WITH SELF-SIMILAR TRAFFIC 

      Lozhkovskyi, A.G.; Levenberg, E.V.; Ложковський, А.Г.; Левенберг, Є.В.; Ложковский, А.Г.; Левенберг, Е.В. (ОНАЗ ім. О.С. Попова, 2018)
      Estimation of the service quality characteristics in a single-channel system with queue for the packet network is often reduced to the determination of the Hurst exponent for self-similar traffic, after which using the ...
    • ESTIMATION OF QoS CHARACTERISTICS OF SELF-SIMILAR TRAFFIC FOR THE Wв/M/1/infinity QUEUING SYSTEM 

      Strelkovskaya, I.V.; Siemens, E.; Solovskaya, I.N.; Fedotova, I.; Стрелковська, І.В.; Сіменс, Е.; Соловська, І.М.; Федотова, І.; Стрелковская, И.В.; Сименс, Е.; Соловская, И.Н.; Федотова, И. (ОНАЗ ім. О.С. Попова, 2018)
      The work considers the problem of Quality of Service (QoS) characteristics estimation for self-similar traffic serviced by a queuing system of the Wв/M/1/infinity type using the Weibull distribution. To solve this problem, ...
    • INFINITE PETRI NETS: PART 1, MODELING SQUARE GRID STRUCTURES 

      Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р.; Zaitsev, D.A.; Зайцев, Д.А.; Зайцев, Д.А.; Zaitsev, I.D.; Зайцев, І.Д.; Зайцев, И.Д. (Complex Systems Publications, Inc., USA, 2017)
      A composition and analysis technique was developed for investigation of infinite Petri nets with regular structure, introduced for modeling networks, clusters and computing grids, that also concerns cellular automata and ...
    • INFINITE PETRI NETS: PART 2, MODELING TRIANGULAR, HEXAGONAL, HYPERCUBE AND HYPERTORUS STRUCTURES 

      Zaitsev, D.A.; Зайцев, Д.А.; Зайцев, Д.А.; Zaitsev, I.D.; Зайцев, І.Д.; Зайцев, И.Д.; Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (Wessex Institute, 2017)
      A composition and analysis technique was developed for investigation of infinite Petri nets with regular structure introduced for modeling networks, clusters and computing grids that also concerns cellular automata and ...
    • INVESTIGATION OF QUALITY CHARACTERISTICS OF NETWORKS MPLS-TE / FRR with additional DIRECTIONS TRAFFIC TRANSMISSION 

      Стрелковская, И.В.; Калинин, В.В.; Стрелковська, І.В.; Калінін, В.В.; Strelkovskaya, I.V.; Kalinin, V.V. (ОНАЗ ім. О.С. Попова, 2016)
      The use nodal tensor method for solution of research quality characteristics of routing in MPLS-TE / FRR network with additional directions of traffic transmission lines . The quality parameters of the network and made ...
    • MATHEMATICAL CONCEPTS OVERVIEW OF CLUSTER ANALYSIS, SVM AND NEURAL NETWORKS IN MASS SERVICE NETWORKS 

      Kuleshova, V.V.; Lozhkovskyi, A.G.; Кулешова, В.В.; Ложковський, А.Г.; Кулешова, В.В.; Ложковский, А.Г. (ОНАЗ ім. О.С. Попова, 2017)
      Nowadays, mass service networks are researched by using a variety of methods. However, the results that have been achieved this far are intermediate ones, especially, in case of multiservice telecommunication networks. ...
    • MODELING ODELING OF SELF-SIVILAR TRAFFIC 

      Стрелковская, И.В.; Соловская, И.Н.; Северин, Н.В.; Стрелковська, І.В.; Соловська, І.М.; Северин, М.В.; Strelkovskaya, I.V.; Solovskaya, I.N.; Severin, N.V. (Anhalt University of Applied Sciences, 2016)
      Modeling of self-similar traffic is performed for the queuing system of G/M/1/K type using Weibull distribution. To study the self-similar traffic the simulation model is developed by using SIMULINK software package in ...
    • PARAMETRIC PETRI NET MODEL FOR ETHERNET PERFOMANCE AND QOS EVALUATION 

      Zaitsev, D.A.; Зайцев, Д.А.; Зайцев, Д.А.; Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (University of Karlsruhe, 2009)
      Parametric model of switched Ethernet in the form of a colored Petri net is presented. The model is invariant regarding the structure of the network; it has fixed number of nodes for any given tree-like network. Special ...
    • PERFORMANCE EVALUATION OF COMMUNICATION GRIDS WITH CUT-THROUGH SWITCHING NODES 

      Shmeleva, T.R.; Шмелёва, Т.Р.; Шмельова, Т.Р. (ОНАЗ ім. О.С. Попова, 2018)
      For the performance evaluation of communication and computing rectangular grids of arbitrary size with a node that implements the cut-through packet switching technology, a model is constructed in the form of a reenterable ...
    • SECURITY OF GRID STRUCTURES WITH CUT-THROUGH SWITCHING NODES 

      Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (Институт систем информатики им. А.П. Ершова, 2017)
      Store-and-forward buffering of packets is traditionally used in modern network devices such as switches and routers. But sometimes it is a significant obstacle to the quality of service improvement because the minimal ...
    • THE SOLUTION TO THE PROBLEM OF THE QoS CHARACTERISTICS DEFINITION FOR SELF-SIMILAR TRAFFIC SERVISED BY THE W/M/1 QS 

      Стрелковская, И.В.; Соловская, И.Н.; Григорьева, Т.И.; Паскаленко, С.А.; Стрелковська, І.В.; Соловська, І.М.; Григорьева, Т.И.; Паскаленко, С.А.; Strelkovskaya, I.V.; Solovskaya, I.N.; Grygoryeva, T.I.; Paskalenko, S.A. (Львовский политехнический национальный университет, 2016)
      The problem of QoS characteristics definition for self-similar traffic for queuing system of the type W/M/1 using the Weibull distribution is considered. To solve this problem, a transformation of Laplace-Stieltjes is ...
    • SWITCHED ETHERNET RESPONSE TIME EVALUATION VIA COLORED PETRI NET MODEL 

      Zaitsev, D.A.; Зайцев, Д.А.; Зайцев, Д.А.; Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р. (European Technology Institute, 2006)
      The enterprise class model of switched LAN in the form of a colored Petri net is represented. The components of the model are submodels of switch, server and workstation. For the evaluation of network response time a special ...
    • VERIFICATION OF SQUARE COMMUNICATION GRID PROTOCOLS VIA INFINITE PETRI NETS 

      Shmeleva, T.R.; Шмельова, Т.Р.; Шмелёва, Т.Р.; Zaitsev, D.A.; Зайцев, Д.А.; Зайцев, Д.А.; Zaitsev, I.D.; Зайцев, І.Д.; Зайцев, И.Д. (European Technology Institute, 2009)
      A technique of the linear invariants calculation for infinite Petri nets with the regular structure is presented and studied on the example of square communication grids of an arbitrary size. It is proven that the compulsory ...