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Artículos de revistas sobre el tema "Telecommunication systems Mathematical models"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 31 de enero de 2023

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1

Kanaev, Andrey, Elina Login, and Kseniya Pudovkina. "Informational Model of Promising Database in the System of Management for Carrier Ethernet Telecommunication Network." Proceedings of Petersburg Transport University 19, no. 3 (September 25, 2022): 421–31. http://dx.doi.org/10.20295/1815-588x-2022-3-421-431.

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Purpose: To develop an informational model of a promising database in the system of management of telecommunication network which uses Carrier Ethernet technology for to ensure the efficiency of storage, access and update of data on the telecommunication network functioning that will allow to increase the operativeness of implementation of OAM (Operation, Administration and Management) control-management built-in processes at timely and reasonable decision-making on telecommunication network management in conditions of high dynamics of changes in the network state as well as in view of Carrier

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2

Verkhova, G., and H. Khoder. "Morphological Method of Combinatorial Synthesis of Bus-Modular Systems Based on Multi-Aspect Models." Proceedings of Telecommunication Universities 5, no. 4 (2019): 88–98. http://dx.doi.org/10.31854/1813-324x-2019-5-4-88-98.

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This article presents morphological method of combinatorial synthesis of bus-modular systems developed by the authors, which can be used in automation systems for aggregating electronic means and telecommunication systems. Original results obtained by the authors in the field of mathematical formulation of the synthesis problem of bus-modular systems are presented. It is shown that existing mathematical models cannot be used to effectively solve the synthesis problem of this class of systems. Original multi-aspect models of bus-modular systems are proposed that take into account the different

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3

Mamonchikova, A. S. "FORMALIZATION OF INFORMATION CONFLICT BASED ON DYNAMIC SYSTEMS THEORY." H&ES Research 12, no. 6 (2020): 68–75. http://dx.doi.org/10.36724/2409-5419-2020-12-6-68-75.

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Setting the task: the progressive development of means of destabilizing effects on the telecommunication system requires improvement of the scientific and methodological apparatus for modeling effects from such effects. To date, dynamic processes of information conflict remain insufficiently studied in conditions of joint influence of means of destabilizing effects and technical means of exploration on telecommunication system. Problem situation: presence of integral effects on telecommunication system of technical means of exploration and means of destabilizing effects, in the absence of mode

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4

Akhmetshina, Eleonora G. "MODELING DATA TRANSMISSION SYSTEMS USING MODERN INFORMATION TECHNOLOGIES." T-Comm 15, no. 8 (2021): 52–57. http://dx.doi.org/10.36724/2072-8735-2021-15-8-52-57.

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When modeling data transmission systems for various purposes, including computer and telecommunication networks, both components of mathematical modeling are widely used. These are simulation modeling and analytical modeling based on queuing theory. At the same time, researchers can always compare the results obtained by means of simulation and analytical modeling. From modern technologies of simulation modeling, one can single out the IT GURU Academic Edition technologies, represented by the Opnet Modeler and Riverbed Modeler software products with powerful graphical editors. Graphic editors

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5

Osipyan, V. O., K. I. Litvinov, and A. S. Zhuck. "Research and development of the mathematic models of cryptosystems based on the universal Diophantine language." SHS Web of Conferences 141 (2022): 01020. http://dx.doi.org/10.1051/shsconf/202214101020.

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This paper shows the objective necessity of improving the information security systems under the development of information and telecommunication technologies. The paper for the first time involves a new area of NP-complete problems from Diophantine analysis, namely, multi-degree systems of Diophantine equations of a given dimension and degree of Tarry-Escott type. Based on a fundamentally new number-theoretic method, a mathematical model of an alphabetic information security system (ISS) has been developed that generalizes the principle of building cryptosystems with a public key – the so cal

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Ratti, Francesca, Maurizio Magarini, and Domitilla Del Vecchio. "What Is the Trait d’Union between Retroactivity and Molecular Communication Performance Limits?" Molecules 27, no. 10 (May 13, 2022): 3130. http://dx.doi.org/10.3390/molecules27103130.

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Information exchange is a critical process in all communication systems, including biological ones. Retroactivity describes the load that downstream modules apply to their upstream systems in biological circuits. The motivation behind this work is that of integrating retroactivity, a concept proper of biochemical circuits, with the metrics defined in Information Theory and Digital Communications. This paper focuses on studying the impact of retroactivity on different biological signaling system models, which present analogies with well-known telecommunication systems. The mathematical analysis

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7

Humbatov, R. T., B. G. Ibrahimov, A. A. Alieva, and R. F. Ibrahimov. "Approaches to the Analysis Performance Indicators Multiservice Telecommunication Networks Based on SDN Technology." INFORMACIONNYE TEHNOLOGII 27, no. 8 (August 11, 2021): 419–24. http://dx.doi.org/10.17587/it.27.419-424.

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The quality of functioning multiservice telecommunication networks based on the architectural concept Next Generation Network (NGN) and Future Networks (FN) using modern innovative technologies has been analyzed. Based on the study, a new approach to the construction model for assessing performance indicators multiservice telecommunication networks based on SDN (Software Defined Networking) technologies, taking into account the property self-similarity traffic is proposed. On the basis of the proposed approach, complex indicators MTS were investigated, taking into account the requirement QoS (

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8

Rezghdeh, Keyvan, and Sajjad Shokouhyar. "A six-dimensional model for supply chain sustainability risk analysis in telecommunication networks: a case study." Modern Supply Chain Research and Applications 2, no. 4 (May 19, 2020): 211–46. http://dx.doi.org/10.1108/mscra-09-2019-0018.

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PurposeThe main purpose of the present study was to improve and develop previously proposed models for Iran telecommunication networks. It should be noted that the six-dimensional (6D) sustainability model used in this study will be a useful and comprehensive model for industries. Since, the new dimension of IT along with the five well-known economic, social, environmental, technical and institutional aspects of organizations is considered to have great impacts on supply chain sustainability; the proposed framework can be practical.Design/methodology/approachAccording to the related literature

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9

Veksler, V. A. "CONSTRUCTION OF NEURAL NETWORKS IN ONLINE ENVIRONMENTS WHEN STUDYING THE CONTENT LINE "MODELING AND FORMALIZATION" IN THE LESSONS OF INFORMATICS AT SCHOOL." Informatics in school 1, no. 7 (October 30, 2020): 21–24. http://dx.doi.org/10.32517/2221-1993-2020-19-7-21-24.

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Modeling as a universal approach to the study of the structure and behavior of complex objects is used in many academic disciplines, as it is a general didactic means of acquiring knowledge. A promising direction in the development of mathematical modeling is modeling the behavior of intelligent systems, which is being improved due to the introduction of new information technologies, telecommunication systems and the massive use of computer technology. Modeling takes on the functionality of a powerful and effective tool for researching a variety of intelligent systems from various fields of hu

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10

Ozdemir, Neslihan, Aydin Secer, Muslum Ozisik, and Mustafa Bayram. "Two Analytical Schemes for the Optical Soliton Solution of the (2 + 1) Hirota–Maccari System Observed in Single-Mode Fibers." Universe 8, no. 11 (November 4, 2022): 584. http://dx.doi.org/10.3390/universe8110584.

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In this scientific research article, the new Kudryashov method and the tanh-coth method, which have not been applied before, are employed to construct analytical and soliton solutions of the (2+1)-dimensional Hirota–Maccari system. The (2+1)-dimensional Hirota–Maccari system is a special kind of nonlinear Schrödinger equation (NLSEs) that models the motion of isolated waves localized in a small part of space, and is used in such various fields as fiber optics telecommunication systems, nonlinear optics, plasma physics, and hydrodynamics. In addition, the Hirota–Maccari system defines the dynam

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11

Piltyay, Stepan, Andrew Bulashenko, Hanna Kushnir, and Oleksandr Bulashenko. "Information Resources Economy in Satellite Systems based on New Microwave Polarizers with Tunable Posts." Path of Science 6, no. 11 (November 30, 2020): 5001–10. http://dx.doi.org/10.22178/pos.64-6.

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One of the fundamental problems of modern digital telecommunications is the economy of digital information and frequency resources, which are highly limited. The introduction of novel telecommunication systems and 5G networks requires searching for principal solutions for the economy and reusing the frequency spectrum. Therefore, modern wireless mobile, terrestrial, and satellite systems use various new technologies to increase communication channels' information capacity for the economy of limited frequency resources. One of the most effective ways to reuse the information system's operating

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12

Dudin, Alexander N., and Shoichi Nishimura. "Optimal control for a BMAP/G/1 queue with two service modes." Mathematical Problems in Engineering 5, no. 3 (1999): 255–73. http://dx.doi.org/10.1155/s1024123x99001088.

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Queueing models with controllable service rate play an important role in telecommunication systems. This paper deals with a single-server model with a batch Markovian arrival process (BMAP) and two service modes, where switch-over times are involved when changing the service mode. The embedded stationary queue length distribution and the explicit dependence of operation criteria on switch-over levels and derived.

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13

Sitnikov, Ivan R., and Alexander V. Golikov. "Rationalization of the constructive form of towers with prestressed cables." Structural Mechanics of Engineering Constructions and Buildings 15, no. 3 (December 15, 2019): 182–92. http://dx.doi.org/10.22363/1815-5235-2019-15-3-182-192.

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Relevance. One of the main directions of development of mobile communication systems, radio engineering and telecommunication systems is the improvement of the structural form of the bearing supports, which will solve a number of practical tasks: to increase the coverage area, to ensure higher rates of data transmission speed and to ensure stable operation in an increasing number of users. These circumstances justify the relevance of research in this direction. Aims of research. Optimization of design solutions using parallel puffs, ensuring the possibility of erection and safe operation durin

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14

Kharchenko, R. Yu, A. V. Kochetkov, and V. S. Mikhaylenko. "ANALYSIS OF METHODS FOR AUTOMATED RESEARCH OF DC VOLTAGE CONVERTERS OF MODULAR STRUCTURE." Radio Electronics, Computer Science, Control, no. 3 (October 1, 2022): 7. http://dx.doi.org/10.15588/1607-3274-2022-3-1.

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Context. DC voltage converters (DCV) are part of modern power supply systems (PSS) and power supply ensuring the operation of electronic and radio devices, telecommunication systems and communication and to a large extent determine their power consumption, reliability, time of readiness for operation, weight, size and cost indicators. Even though there are a large number of different software packages used in engineering practice for the study and design of radio engineering devices, such computer-aided design (CAD) systems and virtual computer simulation of electronic circuits have some limit

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15

Grindrod, P., and D. J. Higham. "Models for evolving networks: with applications in telecommunication and online activities." IMA Journal of Management Mathematics 23, no. 1 (February 14, 2011): 1–15. http://dx.doi.org/10.1093/imaman/dpr001.

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16

Andriyanov, Nikita A., Madina-Bonu R. Atakhodzhaeva, and Evgeny I. Borodin. "Mathematical modeling of recommender system and data processing of a telecommunications company using machine learning models." Bulletin of the South Ural State University. Ser. Computer Technologies, Automatic Control & Radioelectronics 22, no. 2 (April 2022): 17–28. http://dx.doi.org/10.14529/ctcr220202.

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The purpose of the study is to develop data modeling methods for projecting recommender algorithms using doubly stochastic autoregressive models of random processes and checking their adequacy by applying machine learning algorithms to cluster users in a simulated data set and predict probabilities of interest. Research methods. The article discusses the methods used in the construction of recommender systems. At the same time, the problem of modeling user behavior using a doubly stochastic model is considered. This model is proposed for generating artificial data. The doubly stochastic model

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17

Kozel, V. M., D. A. Podvornaya, and K. A. Kovalev. "Peal factor of signals of 5G mobile service systems." Doklady BGUIR 18, no. 6 (October 1, 2020): 5–10. http://dx.doi.org/10.35596/1729-7648-2020-18-6-5-10.

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This article discusses the possible formats of signals of 5G mobile communication networks (NR, IMT-2020): configurations of the number of resource blocks and frequency shifts of subcarriers. modulation schemes, organizations of the physical level, as well as the broadband signals of these networks and, as a result, the need for introducing a margin on the linearity of the transceiver’s paths to eliminate distortion or the manifestation of blocking effects when the signal interferes with third-party means. We analyze the characteristics of the dynamic range of the signals from IMT-2020 ground

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18

Bobruk, Tomasz. "CHROMATIC DISPERSION COMPENSATION IN EXISTING FIBER OPTIC TELECOMMUNICATION LINES WITH THE GROWING BIT RATES NEEDS OF DWDM SYSTEM." Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska 11, no. 4 (December 20, 2021): 38–41. http://dx.doi.org/10.35784/iapgos.2805.

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The article presents an analysis of the methods of chromatic dispersion compensation in the existing, already built fiber optic telecommunications lines, based on ITU G.652 A and B fibers with the constantly growing demand for bit rates in DWDM systems. Due to the enormous investment costs, it is impossible to replace the cables used with NZDSF, hence the chapter analyzes methods of improving the bandwidth without replacing all cables. Typical models of the optimization of chromatic dispersion in the existing lines are presented.

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19

Voss, Florian, Catherine Gloaguen, and Volker Schmidt. "Scaling limits for shortest path lengths along the edges of stationary tessellations." Advances in Applied Probability 42, no. 4 (December 2010): 936–52. http://dx.doi.org/10.1239/aap/1293113145.

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We consider spatial stochastic models, which can be applied to, e.g. telecommunication networks with two hierarchy levels. In particular, we consider Cox processes XL and XH concentrated on the edge set T(1) of a random tessellation T, where the points XL,n and XH,n of XL and XH can describe the locations of low-level and high-level network components, respectively, and T(1) the underlying infrastructure of the network, such as road systems, railways, etc. Furthermore, each point XL,n of XL is marked with the shortest path along the edges of T to the nearest (in the Euclidean sense) point of X

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20

Baglietto, Marco, Raffaele Bolla, Franco Davoli, Mario Marchese, and Maurizio Mongelli. "Integration of pricing models between best-effort and guaranteed performance services in telecommunication networks." Control Engineering Practice 11, no. 10 (October 2003): 1209–26. http://dx.doi.org/10.1016/s0967-0661(03)00055-8.

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21

Kostyria, O., V. Storozhenko, and V. Naumenko. "Compensation of Multipath Interference in a Separated Passive Time and Frequency Synchronization Systems." Metrology and instruments, no. 4 (September 7, 2019): 17–23. http://dx.doi.org/10.33955/2307-2180(4)2019.17-23.

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Multipath propagation of radio waves negatively affects to the performance of telecommunications and radio navigation systems [1, 3]. When performing time and frequency synchronization tasks of spatially separated standards, the multipath signal propagation aggravates the probability of a correct synchronization and introduces an error. The presence of a multipath signal reduces the signal-to-noise ratio in the received signal, which in turn causes an increase in the synchronization error. The mathematical models of multipath interference suppression in the time and in the frequency domain a

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22

Tarasov, V. N. "MATHEMATICAL DELAY MODEL BASED ON SYSTEMS WITH HYPERERLANGIAN AND ERLANGIAN DISTRIBUTIONS." Radio Electronics, Computer Science, Control 1, no. 1 (March 27, 2021): 87–96. http://dx.doi.org/10.15588/1607-3274-2021-1-9.

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Context. Studies of G/G/1 systems in queuing theory are relevant because such systems are of interest for analyzing the delay of data transmission systems. At the same time, it is impossible to obtain solutions for the delay in the final form in the general case for arbitrary laws of distribution of the input flow and service time. Therefore, it is important to study such systems for particular cases of input distributions. We consider the problem of deriving a solution for the average queue delay in a closed form for two systems with ordinary and shifted hypererlangian and erlangian input dis

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23

Zaitseva, Alina, Nikolai Dudayev, Evgeny Zaitsev, and Dmitry Kilmakov. "HIGH-PERFORMANCE COMPUTING COMPLEX FOR INTELLIGENT TRANSPORT SYSTEM." Electrical and data processing facilities and systems 18, no. 2 (2022): 107–20. http://dx.doi.org/10.17122/1999-5458-2022-18-2-107-120.

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Relevance The relevance of this research project lies in the development of algorithmic support for routes in transport systems, which will allow efficient, efficient and rational management of the transport complex. The development of modern motor transport is already unthinkable without the use of intelligent transport systems (ITS). ITS is an intelligent system that uses innovative developments in the modeling of transport systems and regulation of traffic flows, providing end users with greater information content and safety, as well as qualitatively increasing the level of interaction of

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Gupta, Umesh Chandra, Nitin Kumar, Sourav Pradhan, Farida Parvez Barbhuiya, and Mohan L. Chaudhry. "Complete analysis of a discrete-time batch service queue with batch-size-dependent service time under correlated arrival process: D-MAP/Gn(a,b)/1." RAIRO - Operations Research 55, no. 3 (May 2021): 1231–56. http://dx.doi.org/10.1051/ro/2021054.

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Discrete-time queueing models find a large number of applications as they are used in modeling queueing systems arising in digital platforms like telecommunication systems and computer networks. In this paper, we analyze an infinite-buffer queueing model with discrete Markovian arrival process. The units on arrival are served in batches by a single server according to the general bulk-service rule, and the service time follows general distribution with service rate depending on the size of the batch being served. We mathematically formulate the model using the supplementary variable technique

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25

Ulugbek, Amirsaidov, and Qodirov Azamat. "Model of optimal distribution of network resources with constraints on quality of service indicators." Bulletin of Electrical Engineering and Informatics 12, no. 2 (April 1, 2023): 835–42. http://dx.doi.org/10.11591/eei.v12i2.4706.

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Existing algorithms and mathematical models of queuing at the nodes of a telecommunications network are considered in this paper. The necessity of coordinated solutions to problems of distribution of channel and buffer resources of the network is shown. A model for the optimal distribution of channel and buffer resources on network nodes has been developed. The optimization (minimization) criterion is the total average packet delay with constraints on the quality of service (QoS) indicators of heterogeneous flows. The optimization problem is presented as a constrained nonlinear programming pro

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Брежнєв, Євген Віталійович, Герман Вікторович Фесенко та Вячеслав Сергійович Харченко. "МЕТОДОЛОГІЧНІ ЗАСАДИ ОЦІНЮВАННЯ ТА ЗАБЕЗПЕЧЕННЯ БЕЗПЕКИ КРИТИЧНИХ ІНФОРМАЦІЙНИХ ІНФРАСТРУКТУР". RADIOELECTRONIC AND COMPUTER SYSTEMS, № 4 (20 грудня 2018): 78–85. http://dx.doi.org/10.32620/reks.2018.4.08.

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The world trends in increasing of threats of natural and man-made nature, a level of terrorist threats, the number and complexity of cyberattacks have caused the actualization of needs for critical information infrastructure protection and improvement it's informational security and functional safety. A critical information infrastructure is considered as a set of information and telecommunication systems, improper operation of which may lead to the occurrence of an accident of critical infrastructure (energy, transport, etc.), as well as to decrease in quality of its services. The subject of

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Tarasov, V. N., and N. F. Bakhareva. "DELAY MODELS BASED ON SYSTEMS WITH USUAL AND SHIFTED HYPEREXPONENTIAL AND HYPERERLANGIAN INPUT DISTRIBUTIONS." Radio Electronics, Computer Science, Control, no. 2 (June 26, 2021): 56–64. http://dx.doi.org/10.15588/1607-3274-2021-2-6.

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Context. In the queueing theory, the study of systems with arbitrary laws of the input flow distribution and service time is relevant because it is impossible to obtain solutions for the waiting time in the final form for the general case. Therefore, the study of such systems for particular cases of input distributions is important. Objective. Getting a solution for the average delay in the queue in a closed form for queuing systems with ordinary and with shifted to the right from the zero point hyperexponential and hypererlangian distributions in stationary mode. Method. To solve

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Alekseeva, I. V., O. I. Lysenko, and O. M. Tachinina. "Necessary optimality conditions of control of stochastic compound dynamic system in case of full in-formation about state vector." Mathematical machines and systems 4 (2020): 136–47. http://dx.doi.org/10.34121/1028-9763-2020-4-136-147.

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Stochastic Compound Dynamic Systems (CDS) are complex technical systems that are created through the use of precision mechanics in combination with modern telecommunications and computer technologies. Incertitude in these CDS shows up under the influence of external and internal stochastic perturbations. The constituent elements of CDS are combined into a single system because these elements perform a single complex mission. The information exchange is wireless, there is no mechanical connection between the elements of the CDS. The paper considers groups of unmanned aerial vehicles (UAVs), whi

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Almalki, Faris A., and Marios C. Angelides. "Deployment of an aerial platform system for rapid restoration of communications links after a disaster: a machine learning approach." Computing 102, no. 4 (November 21, 2019): 829–64. http://dx.doi.org/10.1007/s00607-019-00764-x.

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AbstractHaving reliable telecommunication systems in the immediate aftermath of a catastrophic event makes a huge difference in the combined effort by local authorities, local fire and police departments, and rescue teams to save lives. This paper proposes a physical model that links base stations that are still operational with aerial platforms and then uses a machine learning framework to evolve ground-to-air propagation model for such an ad hoc network. Such a physical model is quick and easy to deploy and the underlying air-to-ground (ATG) propagation models are both resilient and scalable

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Nazarov, Alexey N. "Processing streams in a monitoring cloud cluster." Russian Technological Journal 7, no. 6 (January 10, 2020): 56–67. http://dx.doi.org/10.32362/2500-316x-2019-7-6-56-67.

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The creation of monitoring clusters based on cloud computing technologies is a promising direction for the development of systems for continuous monitoring of objects for various purposes in the web space. Hadoop web-programming environment is the technological basis for the development of algorithmic and software solutions for the synthesis of monitoring clusters, including information security and information counteraction systems. The International Telecommunication Union’ (ITU) recommendations Y. 3510 present the requirements for cloud infrastructure that require monitoring the performance

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LUKICHEVA, Vera L., Andrey A. PRIVALOV, and Daniil D. TITOV. "A model of the process of package delivering over a data transmission channel in the context of computer attacks by an intruder." Proceedings of Petersburg Transport University 2021, no. 2 (June 2021): 229–41. http://dx.doi.org/10.20295/1815-588x-2021-2-229-241.

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Objective: To analyze the impact of computer attacks on the performance quality of data transmission channels and channeling systems. It is also necessary to take into account the capabilities of an intruder to introduce malware into channeling systems when committing a computer attack. Methods: To determine the required design ratios, several options for setting various distribution functions characterizing the parameters used as input data and types of inbound streams have been considered, taking into account the parameters of the intruder’s computer attack model set by the values of the pro

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Bissell, Chris. "Not just Norbert." Kybernetes 39, no. 4 (May 4, 2010): 496–509. http://dx.doi.org/10.1108/03684921011036754.

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PurposeAlthough Norbert Wiener is justifiably granted the epithet “father of cybernetics”, a number of other engineers from a control or telecommunications background also turned to areas that can broadly be categorised as cybernetic during and immediately after WW2. The purpose of this paper is to give an overview of some of these lesser‐known technologist contributors to the emerging ideas of cybernetics.Design/methodology/approachThe paper is based on primary and secondary literature, as well as two interviews from the early 1990s.FindingsIn Germany, Hermann Schmidt, Chair of the Verein Deu

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Abdellah, Ali R., Abdullah Alshahrani, Ammar Muthanna, and Andrey Koucheryavy. "Performance Estimation in V2X Networks Using Deep Learning-Based M-Estimator Loss Functions in the Presence of Outliers." Symmetry 13, no. 11 (November 19, 2021): 2207. http://dx.doi.org/10.3390/sym13112207.

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Recently, 5G networks have emerged as a new technology that can control the advancement of telecommunication networks and transportation systems. Furthermore, 5G networks provide better network performance while reducing network traffic and complexity compared to current networks. Machine-learning techniques (ML) will help symmetric IoT applications become a significant new data source in the future. Symmetry is a widely studied pattern in various research areas, especially in wireless network traffic. The study of symmetric and asymmetric faults and outliers (anomalies) in network traffic is

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Maharramov, Zakir, Vugar Abdullayev, and Tamilla Mammadova. "MODELLING SELF-SIMILAR TRAFFIC OF MULTISERVICE NETWORKS." EUREKA: Physics and Engineering 1 (January 31, 2019): 46–54. http://dx.doi.org/10.21303/2461-4262.2019.00841.

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Simulation modelling is carried out, which allows adequate describing the traffic of multiservice networks with the commutation of packets with the characteristic of burstiness. One of the most effective methods for studying the traffic of telecommunications systems is computer simulation modelling. By using the theory of queuing systems (QS), computer simulation modelling of packet flows (traffic) in modern multi-service networks is performed as a random self-similar process. Distribution laws such as exponential, Poisson and normal-logarithmic distributions, Pareto and Weibull distributions

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Stepanov, Sergey, and Mikhail Stepanov. "Estimation of the Performance Measures of a Group of Servers Taking into Account Blocking and Call Repetition before and after Server Occupation." Mathematics 9, no. 21 (November 5, 2021): 2811. http://dx.doi.org/10.3390/math9212811.

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The model of a fully available group of servers with a Poisson flow of primary calls and the possibility of losses before and after occupying a free server is considered. Additionally, a call can leave the system because of the aging of transmitted information. After each loss, there is some probability that a customer repeats the call. Such models are seen in the modeling of various telecommunication systems such as emergency information services, call and contact centers, access nodes, etc., functioning in overloading situations. The stationary behavior of the system is described by the infi

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Skulysh, Mariia, José Luis Pastrana Brincones, and Dmytro Parhomenko. "DEVELOPMENT OF THE CONCEPT FOR THE COMPUTATIONAL RESOURCES MANAGEMENT SOFTWARE IN THE CUSTOMER SERVICE SYSTEMS." Information and Telecommunication Sciences, no. 2 (December 19, 2022): 26–33. http://dx.doi.org/10.20535/2411-2976.22022.26-33.

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Background. To date, there is no customer service system that does not involve information and computer systems. One of the most important issues in ensuring the reliability and reliability of such systems is the task of dynamic scaling and providing the required amount of computing resources at any time. This study was focused on the planning and deployment of computing infrastructure that is able to respond to significantly increased volumes of request flows, changes in the dynamics of load intensity, strict requirements for the quality of their service, etc. Objective. The purpose of

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37

Santos, Guto Leoni, Patricia Takako Endo, Djamel Sadok, and Judith Kelner. "When 5G Meets Deep Learning: A Systematic Review." Algorithms 13, no. 9 (August 25, 2020): 208. http://dx.doi.org/10.3390/a13090208.

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This last decade, the amount of data exchanged on the Internet increased by over a staggering factor of 100, and is expected to exceed well over the 500 exabytes by 2020. This phenomenon is mainly due to the evolution of high-speed broadband Internet and, more specifically, the popularization and wide spread use of smartphones and associated accessible data plans. Although 4G with its long-term evolution (LTE) technology is seen as a mature technology, there is continual improvement to its radio technology and architecture such as in the scope of the LTE Advanced standard, a major enhancement

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38

Dzalilov, Zari, and Iradj Ouveysi. "Mathematical models for failure reconfiguration of telecommunication networks: Part 1." Optimization 58, no. 5 (July 2009): 483–504. http://dx.doi.org/10.1080/02331930902928112.

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39

Dzalilov, Zari, and Iradj Ouveysi. "Mathematical models for failure reconfiguration of telecommunication networks: Part 2." Optimization 58, no. 5 (July 2009): 505–20. http://dx.doi.org/10.1080/02331930902928153.

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40

Vishnevsky, Vladimir, and Olga Semenova. "Polling Systems and Their Application to Telecommunication Networks." Mathematics 9, no. 2 (January 7, 2021): 117. http://dx.doi.org/10.3390/math9020117.

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The paper presents a review of papers on stochastic polling systems published in 2007–2020. Due to the applicability of stochastic polling models, the researchers face new and more complicated polling models. Stochastic polling models are effectively used for performance evaluation, design and optimization of telecommunication systems and networks, transport systems and road management systems, traffic, production systems and inventory management systems. In the review, we separately discuss the results for two-queue systems as a special case of polling systems. Then we discuss new and already

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41

Obaidat, M. S. "Performance evaluation of telecommunication systems: models, issues and applications." Computer Communications 24, no. 9 (May 2001): 753–56. http://dx.doi.org/10.1016/s0140-3664(00)00348-0.

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42

SUKONSCHIKOV, ALEXEY A., ANATOLY N. SHVETSOV, IGOR A. ANDRIANOV, and DMITRIY V. KOCHKIN. "PRINCIPLES OF BUILDING SELF-ORGANIZING INFORMATION AND TELECOMMUNICATION SYSTEMS." Cherepovets State University Bulletin 1, no. 100 (2021): 56–67. http://dx.doi.org/10.23859/1994-0637-2021-1-100-4.

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The article discusses the basic foundations of the functioning and evolution of complex distributed information and telecommunication systems (ITS) in the neuro-fuzzy agent-based paradigm. The formalization principles for such systemsareproposed:goal structuring, agent orientation, hierarchical intellectual organization, modularity of intelligent agents, structural and functional flexibility of intelligent agents, single mathematical apparatus, self-development and system evolution.The concept of a distributed intelligent ITS as a geographically distributed multi-level hierarchical set of hard

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43

Toxirjonovich, Orinov Nodirbek, and Mirzaaxmedov Muhammadbobur Karimberdiyevich. "Mathematical models of technical systems." ACADEMICIA: An International Multidisciplinary Research Journal 10, no. 11 (2020): 221–25. http://dx.doi.org/10.5958/2249-7137.2020.01343.9.

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44

Calderale, P. M., and G. Scelfo. "Mathematical Models of Musculoskeletal Systems." Engineering in Medicine 16, no. 3 (July 1987): 131–46. http://dx.doi.org/10.1243/emed_jour_1987_016_032_02.

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An understanding of the forces which act in the musculo-skeletal system is required in a number of applications. This study provides a critical and comparative discussion of the methods used to determine the muscle and joint forces, and presents an analysis of future prospects for applying these methods.

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45

Morris, Richard W. "Mathematical models of biological systems." Reproductive Toxicology 3, no. 2 (January 1989): 79. http://dx.doi.org/10.1016/0890-6238(89)90041-5.

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Divakaran, J., Somashekhar Malipatil, Tareeq Zaid, M. Pushpalatha, Vilaskumar Patil, C. Arvind, T. Joby Titus, et al. "Technical Study on 5G Using Soft Computing Methods." Scientific Programming 2022 (January 7, 2022): 1–7. http://dx.doi.org/10.1155/2022/1570604.

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With increasing advancements in the field of telecommunication, the attainment of a higher data transfer rate is essentially a greater need to meet high-performance communication. The exploitation of the fuzzy system in the wireless telecommunication systems, especially in Fifth Generation Mobile Networks (or) 5G networks is a vital paradigm in telecommunication markets. A comprehensive survey is dealt in the paper, where it initially reviews the basic understanding of fuzzy systems over 5G telecommunication. The literature studies are collected from various repositories that include reference

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47

Косенко, Віктор Васильович, and Дмитро Миколаевич Бугас. "Mathematical models for the parameters of data flows in information and telecommunication networks." Eastern-European Journal of Enterprise Technologies 5, no. 4(77) (October 23, 2015): 37. http://dx.doi.org/10.15587/1729-4061.2015.51395.

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Suzuki, Takashi. "Mathematical models of tumor growth systems." Mathematica Bohemica 137, no. 2 (2012): 201–18. http://dx.doi.org/10.21136/mb.2012.142866.

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NAUROSCHAT, J., and U. AN DER HEIDEN. "NONLINEAR MATHEMATICAL MODELS OF HORMONAL SYSTEMS." Journal of Biological Systems 03, no. 03 (September 1995): 719–30. http://dx.doi.org/10.1142/s0218339095000666.

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The paper considers various approaches to mathematical modelling of endocrine systems. The functional and operational complexity of hormonal activities turns out to be the result of the cooperation of three factors: global feedback structures on the level of glands, subtle feedback and regulatory mechanisms on the level of single cells and molecules (including messengers, receptors and functional proteins like G-proteins) and finally, coupling to other organs (predominantly to the brain, e.g. via hypothalamus). To date, it is practically impossible to construct a mathematical model comprising

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50

Stelling, Jörg. "Mathematical models in microbial systems biology." Current Opinion in Microbiology 7, no. 5 (October 2004): 513–18. http://dx.doi.org/10.1016/j.mib.2004.08.004.

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