Telecommunication systems, networks and devices
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NOVEL PROSPECTS OF SCIENTIFIC RESEARCH IN THE FIELD OF TELECOMMUNICATIONS NETWORKS FOR THE 2021–2024 YEARS
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A. Koucheryavy, R. Kirichek, M. Makolkina, A. Paramonov, R. Dunaytsev, R. Pirmagomedov, A. Borodin, A. Vladyko, A. Muthanna, A. Vybornova, S. Vladimirov, I. Grishin
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Abstract: The main directions of scientific research in the field of communication networks for 2021– 2024 are considered, as well as the tasks visible today that require solutions for the successful implementation of new network technologies. The problem setting is based on the experience of research carried out by the authors in the last decade.
Keywords: ultra-dense networks, ultra-low-latency networks, edge computing, artificial intelligence, microservices, named data, 6G networks, 2030 networks, nano-networks, holographic copies, avatars, unmanned vehicles, multi-controller networks, traffic offload.
DOI 10.31854/2307-1303-2020-8-3-1-19
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CHALLENGES AND REQUIREMENTS FOR IMPLEMENTING V2X TECHNOLOGY
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M. A. M. Al-Sweity, A. Volkov, A. Muthanna
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Abstract: Research subject. The article provides an overview of 5G and V2X technologies, which are key in the implementation of the concept of infrastructure for self-driving cars, since they will be used to exchange and transfer information between infrastructure facilities, pedestrians, other cars and networks. Requirements for the implementation of V2X technology. Core results. The article provides an overview of technologies for the implementation of V2X, and also describes in detail the equipment of unmanned vehicles using the example of various large companies and describes the operation of components responsible for recognition, such as cameras, lidars and radars. Practical relevance. The results obtained can be used in the framework of practical research and development in the field of integrating V2X technologies in the 5G / IMT-2020 network and beyond.
Keywords: 5G, V2X, AV, IEEE 802.11p.
DOI 10.31854/2307-1303-2020-8-3-20-26
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A STUDY OF WI-FI PERFORMANCE INSIDE THE TRAINS AND ON THE PLATFORMS OF THE STATIONS OF THE SAINT PETERSBURG METRO
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D. Anisimov, R. Dunaytsev
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Abstract: In 2017, a free Wi-Fi network, called MT_FREE, was launched in the St. Petersburg metro. Over the years, free Wi-Fi has become an integral part of the St. Petersburg metro, undoubtedly increasing the level of passenger comfort. In many ways, this is also an image project for our city, the experience of which many companies consider as a guideline, including those from other countries. For this reason, we would like to summarize and evaluate the quality of service the MT_FREE network provides. Research subject. In this article, we present the results of a performance evaluation study of the Wi-Fi network in the St. Petersburg metro. Method. To achieve this goal, the following methods of empirical research were used: measurement, experiment, and survey. Core results. In the first part of the study, experimental data on measuring the throughput and roundtrip time of the MT_FREE network in the St. Petersburg metro are provided. The second part of the study is devoted to the results of an online survey conducted among SPbSUT students regarding the demand for Wi-Fi in the metro and user satisfaction with the operation of this network. Practical relevance. The obtained results can be used for optimization of the Wi-Fi network in the St. Petersburg metro.
Keywords: Wi-Fi, MT_FREE, metro.
DOI 10.31854/2307-1303-2020-8-3-27-38
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MODEL OF AN OPERATOR SYSTEM FOR THE IP SERVICES QUALITY MONITORING IN ACCORDANCE WITH THE ITU-T REQUIREMENTS Y.1540, Y.1541, Y.1543
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S. Vladimirov, D. Kabytova
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Abstract: Research subject. The paper considers the model of the operator's system for monitoring the quality of IP services in accordance with the requirements of ITU-T Y.1540, Y.1541, Y.1543. Method. Implementation of a generalized monitoring model as a software application based on a two server control system. Core results. A variant of the model and a scheme of the monitoring system elements interaction are proposed. Recommendations on the structure of the system have been developed and formulas for calculating indicators have been proposed. A trial assessment of the public network segment at UNI points was carried out. Practical relevance. The considered model and approaches to its implementation will allow to monitor operator networks in accordance with ITUT requirements and promote the development of networks and new data transmission services.
Keywords: model, monitoring system, quality of IP services, monitoring indicators, data network segment.
DOI 10.31854/2307-1303-2020-8-3-39-54
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COVERAGE IN THE WIRELESS SENSOR NETWORKS: ANALYSIS AND PERSPECTIVE INVESTIGATION AREAS
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D. Vorobyova, A. Koucheryavy
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Abstract: Research subject. The article is devoted to analysis of related works and perspective investigation areas to coverage in the wireless sensor networks. Method. System analysis. Core results. The identification of development perspectives of a coverage in the wireless sensor networks. Practical relevance. The results of the article can be used by scientific organizations when planning the development of telecommunication networks, as well as universities in the educational process.
Keywords: wireless sensor networks, coverage, clustering, mobile sensor networks, holes in the networks, temporary mobile cluster head.
DOI 10.31854/2307-1303-2020-8-3-55-62
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OVERVIEW OF CURRENT RESEARCH IN MOBILE HEALTH
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M. Zaharov, R. Kirichek, A. Koucheryavy
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Abstract: In recent years, there has been a significant increase in attention to such a topic as eHealth, as well as one of its main areas - mobile e-health (mHealth). This is due to global trends, such as the increased attention of state institutions to the health of their citizens, the desire of people to maintain their health and improve the quality of life, digitalization and qualitative growth in the level of medical services, the development and dissemination of personal wearable electronic equipment and ICT technologies. The article discusses a typical architecture of a network for providing mHealth services, which includes a user's smart phone or tablet with specialized software, various mHealth devices, such as an analyzer of the composition of food and drugs or a wearable biometric sensor, as well as a remote cloud server for processing and long-term storage of user data, for connection to Internet is used. The article provides an overview of works on the mHealth topic. In particular, it is noted that at present, Russian and foreign scientists are actively studying the architecture of networks, the characteristics of the generated mHealth network traffic. Peculiarities of using mHealth mobile applications for collecting and analyzing primary data on the user's health are considered. Active research is underway on the performance of mHealth devices, such as portable personal infrared micro spectrometers, which are capable of highly efficient field analysis of food and drug composition. It is noted that such devices and related services may become quite popular in the very near future.
Keywords: Mobile Health, e-Health, Internet of Things, Internet.
DOI 10.31854/2307-1303-2020-8-3-63-70
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BUILDING A UAV NETWORK WITH SUPPORT FOR SDN / NFV TECHNOLOGIES
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V. Kovalenko, A. A. Alzaghir, A. Muthanna
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Abstract: Research Subject - integration of software-defined networks (SDN) and network functions virtualization (NFV) technologies in the unmanned aerial vehicle networks. Method – analysis of standards and recommendations in the field of SDN, NFV technologies and construction of UAV networks. Core results – presents the main advantages of introducing SDN and NFV technologies into the UAV networks, two ways of organizing the UAV network architecture with SDN technology support: when the Base Station performs the functions of an SDN controller, and when air baluns are used as SDN controllers. This paper also compared the technologies of software-defined networking and virtualization of network functions. Practical relevance – this paper provides a detailed description of the structure and application possibilities of UAV networks, functional diagrams of SDN and NFV. The network architectures presented in this paper using SDN controllers in the flying (air balloon) and ground (Base stations) segment are examples of the implementation of SDN technology in a UAV network of SDN and NFV technologies, and also considers the application of these technologies in UAV networks.
Keywords: UAV, UAV networks, ground and flying segment, SDN, SDN controller and switch, OpenFlow, NFV, NFVI, VNF, MANO, 5G/IMT-2020, abstraction, virtualization, base station.
DOI 10.31854/2307-1303-2020-8-3-71-85 |
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ANALYSIS OF USING VOICE ASSISTANT TECHNOLOGY IN FIFTH GENERATION NETWORKS
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N. Shypota, M. Makolkina
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Abstract: The voice assistant technology is considered in scientific literature as a promising direction for organizing user work with a system of modern devices. Personal voice assistants create for the user the possibility of comfortable interaction with digital devices, bringing him closer to communication with the interlocutor. The relevance of studying the problem of using a voice assistant in fifth-generation communication networks made it the subject of research in this work. The article provides a retrospective analysis of real achievements in the field of practical application of voice assistant technology and identifies some of the most relevant directions for the development of the use of voice assistants. The main trends in the study of implementation and use, development of new generations of personal smart voice assistants are indicated. Conclusions are drawn about possible promising directions for further research. The proposed analysis of the scope of application of voice assistants and a brief description of the history of their creation and development has practical significance and makes it possible to use this publication as a lecture material.
Keywords: voice assistant, virtual assistant, Internet of Things.
DOI 10.31854/2307-1303-2020-8-3-86-93
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Radio engineering, including television systems and devices
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COMPARATIVE ANALYSIS OF FACE RECOGNITION SYSTEMS BUILT USING STANDARD ARCHITECTURE BLOCKS
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E. Kalyashov
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Abstract: Research subject. The article reviews ways of constructing face recognition systems based on standard modules. Method. The study is based on comparison of performance and recognition quality of various pipelines. Core results. Values of reached recognition quality and dependencies from a type of original data are presented. Practical relevance. The results could be used while implementing various face recognition system pipelines.
Keywords: face recognition, face detection, LFW, Dlib, opencv.
DOI 10.31854/2307-1303-2020-8-3-94-101
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Methods and systems of information protection, information security
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MODELING AND ANALYSIS OF INFORMATION SECURITY THREATS IN WIRELESS SENSOR NETWORKS
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V. Desnitsky
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Abstract: The paper presents results of analysis of information security threats in wireless sensor networks and means for their modeling. Research subject. The subject of the research is means for modeling and analyzing information security threats to wireless sensor networks. Method. The work uses methods of mathematical modeling and system analysis. Core results. The analysis of actual threats to information security of wireless sensor networks is performed. A comparative analysis of means for simulation modeling of wireless sensor networks and attacking influences is performed. Two models of presentation of wireless sensor networks are proposed for solving the problems of threat modeling. Practical significance. The results of the work can be used for modeling and evaluation of security of complex wireless sensor networks with a large number of nodes in conditions of organizational complexity of using full-featured instances of wireless sensor networks to solve information security problems.
Keywords: wireless sensor networks, modeling, information security.
DOI 10.31854/2307-1303-2020-8-3-102-111
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© SPbSUT © Authors
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