Now showing items 30-49 of 1680

    • 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 ...
    • EFFICIENCY EVALUATION OF THE "VECTORING" SYSTEM APPLICATION ON THE CONNECTING LINES DURING MODERNIZATION OF THE RURAL TELEPHONE NETWORK 

      Оreshkov, V.І.; Орєшков, В.І.; Орешков, В.И. (ОНАЗ ім. О.С. Попова, 2018)
      The urgency of the "digital divide" problem is a global problem. That the problem is in particular and acute in Ukraine, is described in the article. It is proposed to use VDSL2 technology for modernization of the rural ...
    • EFFICIENCY OF PARTLY ERRORS CORRECTION IN ARQ DTS BASED ON TIMER SIGNAL CONSTRUCTION 

      Захарченко, Н.В.; Хомич, С.В.; Белова, Ю.В.; Севастев, Е.А.; Захарченко, Н.В.; Хомич, С.В.; Сєвастєєв, Е.О.; Zakharchenko, N.V.; Homich, S.V.; Belova, Yu.V.; Sevasteev, E.A. (ОНАЗ ім. О.С. Попова, 2014)
      Розроблено метод передавання на базі систем з вирішальним зворотнім зв’язком та таймерних сигнальних конструкцій з корегуванням частини помилок інтервалу «хорошого» стану рівнянням якості. Визначені граничні умови його ...
    • EFFICIENCY STUDY OF ALGORITHMS APPLIED IN DVB-T/ DVB-T2 SYSTEMS AT PRESENCE OF PHASE NOISE 

      Баляр, В.Б.; Balyar, V.B. (ОНАЗ ім. О.С. Попова, 2014)
      In article study results in direction of efficiency estimation of algorithms used in DVB-T/ DVB-T2 systems at presence of phase noise with parameters defined in DSTU ETSI TR 101 290. Obtained estimations will be used as ...
    • ELABORATION OF A SOFTWARE AND LAB ENVIRONMENT FOR IN-DEPTH OWD ANALYSIS ON WIRELESS LINKS USING LTEST 

      Nikityuk, L.A.; Siemens, E.; Нікітюк, Л.А.; Сіменс, Е.; Никитюк, Л.А.; Сименс, Е. (ОНАЗ ім. О.С. Попова, 2014)
      : Research of optimal transfer protocol for organization of a reliable data transfer between serial devices for GPRS/EDGE and UMTS networks with subsequent using it in elastic jitter buffer algorithm. The main criterion ...
    • 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, ...
    • FORMALIZATION OF THE INFOCOMMUNICATION NETWORK ADAPTATION TASK WITHIN THE LIFE CYCLE AND THE GENERAL APPROACH TO ITS SOLUTION BASED ON GENETIC ALGORITHMS 

      Nikityuk, L.A.; Нікітюк, Л.А.; Никитюк, Л.А. (ОНАЗ ім. О.С. Попова, 2017)
      Infocommunication network on formal grounds is a complex system that functions in a disturbing environment, evolves over time and is characterized by non-stationary fault flow of its subsystems and elements. In this paper ...
    • FORMATION THE PIЕCOSECOND OPTICAL PULSES OF THE ASSIGNED STRUCTURE USING PRECISION LINES OF DELAY 

      Odegov, N.A.; Staren"kiy, I.V.; Kostjuk, V.V (ОНАЗ ім. О.С. Попова, 2018)
      The article examines the development of methods of one to increase the spectral efficiency of the fiber optic systems of transmission. The essence of the method is shown with the use of alphabet as signals with peak ...
    • FRACTAL CODING OF VIDEO SEQUENCES BY GENETIC ALGORITHM 

      Osharovskaya, E.V.; Patlaenko, N.A.; Ошаровська, О.В.; Патлаєнко, М.О.; Ошаровская, Е.В.; Патлаенко, Н.А. (ОНАЗ ім. О.С. Попова, 2017)
      The results of application of the modified genetic algorithm of fractal coding to still images and video sequences are presented. The dependence of the compression coefficient on the size of the rank block is obtained. ...
    • THE GENERELIZED CLASSIFICATION MODEL OF IoT-PLATFORMS 

      Tsaryov, R.Yu.; Korovkina, K.V.; Царьов, Р.Ю.; Коровкіна, К.В.; Царёв, Р.Ю.; Коровкина, К.В. (ОНАЗ ім. О.С. Попова, 2017)
      The relevance of the concept development of the Internet of Things was shown in the article. The generalized classification model of Internet of Thighs (IoT) platforms was proposed. The model is represented by two levels: ...
    • IMPROVING DYNAMICS OF OBJECTS INTERACTION IN LTE BASED WIRELESS NETWORK 

      Taher, A.K.; Тахер, А.К. (ОНАЗ ім. О.С. Попова, 2016)
      This work analyses resource scheduling in LTE technology radio channel consider dynamics of terminal network objects interaction in real-time mode for multimedia data transmission over a packet-based network. It is ...
    • THE INCREASE OF TRANSMISSION PROTECTION BASED ON MULTIPLEXING OF TIMER SIGNAL CONSTRUCTIONS 

      Korchinsky, V.V.; Kildishev, V.I.; Osadchuk, K.O.; Корчинський, В.В.; Кільдішев, В.Й.; Осадчук, К.О.; Корчинский, В.В.; Кильдишев, В.Й.; Осадчук, Е.А. (ОНАЗ ім. О.С. Попова, 2018)
      In the article the method for increasing the security of confidential information transmission based on multiplexing of timer signal structures is addressed. The feasibility of this study is justified by the need to ...
    • THE INFLUENCE OF INACCURACY OF DISPERSION CORRECTION ON DWDM SYSTEM QUALITY PARAMETERS 

      Mazur, A.D.; Pedyash, V.V.; Мазур, Г.Д.; Педяш, В.В.; Мазур, А.Д.; Педяш, В.В. (2018)
      The wide distribution of broadband access services makes it necessary to increase the capacity of the transport systems of the telecommunications network. To solve the problem, fiber-optical transmission systems with ...
    • 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 ...
    • THE LOCAL AND SPECIAL AUTOMATED SYSTEMS OF NOTIFICATION OF CIVIL DEFENCE 

      Белоусов, С.И.; Малявин, И.П.; Belousov, S.I.; Malyavin, I.P. (ОНАЗ ім. О.С. Попова, 2013)
      The article deals with basic provisions about local and special automated systems of notification of civil defence. Principles of functioning and structural diagrams are considered. В статті розглянуто основні положення ...
    • LONG-TERM MONITORING OF ROUTES UNAVAILABILITY FOR INFORMATION AND COMMUNICATION NETWORKS 

      Babich, Yu.O.; Shulakova, E.S.; Бабіч, Ю.О.; Шулакова, Є.С.; Бабич, Ю.О.; Шулакова, Е.С. (ОНАЗ ім. О.С. Попова, 2018)
      The article represents an approach to long-term monitoring of routes unavailability for information and communication networks based on the TCP/IP stack. The proposed approach allows the identification of the necessity ...
    • MATCHING OF SOME COLOR SPACES FOR USE IN DIFFERENT INDUSTRIES AND COLOR SPACES OF TELEVISION SYSTEMS 

      Gofaizen, O.V.; Pilyavskiy, V.V.; Гофайзен, О.В.; Пилявський, В.В.; Гофайзен, О.В.; Пилявский, В.В. (ОНАЗ ім. О.С. Попова, 2013)
      The comparison of the colorimetric characteristics of the systems used in different color image industries, such as digital television systems of high and ultrahigh-definition, digital photo printing systemы RIMM-ROMM and ...
    • 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. ...
    • MATHEMATICAL SIMULATION OF ELECTROMAGNETIC WAVE PROPAGATION IN INHOMOGENEOUS LINES 

      Дмитриева, И.Ю.; Дмитрієва, І.Ю.; Dmitrieva, I.Yu. (Медиа КиТ, Санкт-Петербург, 2014)
      Analytical study of electromagnetic wave propagation is done in the case of isotropic inhomogeneous lines in the presence of the so called expofunctional influences. Mathematical simulation is based on the corresponding ...