Сообщение

DOI:10.31854/ 1813-324X-2020-6-2-113-120

Petrov M.orcid-id, Fatkieva R. orcid-id
A Model of Synthesis of Distributed Attacking Elements in a Computer NetworkЖурнала ТУЗС - Том 6, №2, 2020

  • Abstract:An approach to predicting the development of attacks on network resources using distributed attacking tools is presented. Distinctive features of attack scenarios are shown. A model of the functioning of a network with distributed attacking elements is described. It is shown that dynamics modeling using the entropy approach to stability assessment does not make it possible to identify the presence of an attack. A method for detecting a focal point carrying out an attack is proposed.
  • Keywords: recognition, space object, modeling, radar image, correlation function.

DOI:10.31854/1813-324X-2020-6-2-104-112

Buinevich M.orcid-id, Izrailov K.orcid-id
Identification of Processor’s Architecture of Executable Code Based on Machine Learning. Part 2. Identification method.Журнала ТУЗС - Том 6, №2, 2020

  • Abstract: This article shows us the study results of a method for identifying the processor architecture of an executable code based on machine learning. In the second part of the series of articles, a three-stage scheme of the method and the corresponding software are synthesized. The functional and information layer of the architecture of the tool, as well as its operation modes, are described. Basic testing of the tool is carried out and the results of its work are given. By the example of identification of files with machine code of various architectures, the efficiency of the proposed method and means is substantiated.
  • Keywords: information security, machine code, processor architecture, machine learning, frequency-byte model, code signature, processor identification method, software.

DOI:10.31854/1813-324X-2020-6-2-79-86

Pirmagomedov R.orcid-id, Ahmed A.A.
Multi-Level Peer-to-Peer Requests Processing in Mobile NetworksЖурнала ТУЗС - Том 6, №2, 2020

  • Abstract: The evolution of the Internet of Things application dictates new, more stringent requirements for the speed of transmission and processing of information. To reduce latency, peripheral multi-service access computing is gaining in popularity. This approach allows users to process data closer to their location. However, such solutions may not take into account the specifics of applications based on peer-to-peer user requests (P2P). Subject of study. The article explores the processing time of P2P requests in mobile networks. Method. The applied methodology includes methods of mathematical and simulation modeling. The main results. The results of the work allow us to conclude that the peripheral computing of multiservice access in their standard architectural design is insufficient. At the same time, the developed solution based on a multilevel architecture with multicast routing provides significantly lower query processing time. Practical significance. The solution proposed by the authors is able to ensure the operability of applications requiring minimal network latency, such as medical applications, unmanned vehicles, search for various service providers with reference to geographical coordinates.
  • Keywords: 5G, P2P, IMT2030.

DOI:10.31854/1813-324X-2020-6-2-87-102

Fokin G.orcid-id Lazarev V.orcid-id
Positioning Accuracy Evaluation of Radio Emission Sources Using Time Difference of Arrival and Angle of Arrival Methods. Part 3. 3D-Simulation.Журнала ТУЗС - Том 6, №2, 2020

  • Abstract: This work completes a series of studies evaluating positioning accuracy of radiation sources using the differential-range and / or goniometric method for the spatial scenario. A complex of models and methods is proposed for estimating the limits of positioning accuracy by the metric of the scattering ellipsoid of the lower Cramer – Rao boundary and circular spherical deviation in 3D. Based on the developed tools, a quantitative and qualitative analysis of positioning scenarios in superdense 5G radio networks was performed. The assessments made it possible to verify the requirements of 3GPP specifications for the accuracy and reliability of geolocation applications and services in the promising 5G ecosystem.
  • Keywords: Cramer – Rao Lower Band, Concentration Ellipsoid, Spherical Error Probable, Time Difference of Arrival, Angle of Arrival, positioning 5G, 3GPP.

DOI:10.31854/1813-324X-2020-6-2-60-78

Pantenkov D.orcid-id
A Methodological Approach to Integrated Effectiveness Assessment Apply of Aviation Systems with UAVs. Part 1. Evaluation Methods for Effectiveness of Solving Radio Communication and Remote Monitoring Tasks.Журнала ТУЗС - Том 6, №2, 2020

  • Abstract: Currently, the use of aviation systems with unmanned aerial vehicles (UAVs) of various classes and special purposes has gained particular relevance and practical importance in the interests of both special customers and civilians. Modern UAVs are used both individually and as part of a group, they can carry several target loads on board simultaneously, they are built on various physical principles: a multifunctional optoelectronic system, a digital aerial system, an airborne radar station, a radio and electronic reconnaissance system, and a system communications for transmitting data from target loads (sensors) to a mobile device (for example, a tablet) to a remote subscriber, etc. However, the question of determining the effectiveness of solving both individual UAV targets and finding an integrated assessment of the effectiveness of using aviation complexes with UAVs when solving a set of targets (sequentially or sequentially-in parallel in time) taking into account their priority and a number of other factors. This article structurally consists of three parts. In the first part, we can observe a scientific and methodological approach to determining the effectiveness of solving particular communication targets and remote monitoring by a complex with UAVs according to the probability of their solution is developed. In the framework of this approach, a mathematical apparatus has been developed for the functional dependence of the probabilities of solving particular target problems with the design parameters of target loads as part of the UAV, taking into account the peculiarities of its functioning and under the conditions of existing limitations and assumptions. The scientific and methodological approach allows already at the stage of the formation of the tactical and technical task for the complex with UAVs to obtain, using the calculation method, quantitative estimates of the probabilities of solving particular targets taking into account the technical backlog of industrial enterprises for key components of the complex (target loads, communications equipment complex, etc.). The methodological apparatus developed in the article is universal and invariant with respect to input parameters, i.e., the number of tasks to be solved, the stages of operation of the complex with UAVs, and can be easily adapted to new conditions of use. It should be noted that the result of the article is the methodological apparatus for finding exactly the integral estimate. Finding performance assessments for the group use of UAVs, as well as taking into account possible countermeasures, is beyond the scope of this article and is a direction of further research on this topic.
  • Keywords: complexes with UAV, integrated assessment of effectiveness, local targets, probability of solution, radio communication, remote monitoring, optical-electronic system, digital aerophotocamera high-resolution, radar system, design parameters.
 
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