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SPREAD SPECTRUM TECHNOLOGY RESEARCH AND ITS APPLICATION IN POWER LINE COMMUNICATION SYSTEMS
DOI: 10.36724/2072-8735-2020-14-10-45-52
Edgar M. Dmitriyev, Tomsk State University of Control Systems and Radioelectronics (TUSUR), Tomsk, Russia, dmitriyev.edgar@gmail.com
Eugeny V. Rogozhnikov, Tomsk State University of Control Systems and Radioelectronics (TUSUR), Tomsk, Russia, udzhon@mail.ru
Andrey K. Movchan, Tomsk State University of Control Systems and Radioelectronics (TUSUR), Tomsk, Russia, mr.movchann@mail.ru
Semyon M. Mukhamadiev, Tomsk State University of Control Systems and Radioelectronics (TUSUR), Tomsk, Russia, sema.fandmc3@mail.ru
Yakov V. Krukov, Tomsk State University of Control Systems and Radioelectronics (TUSUR), Tomsk, Russia, kryukov.tusur@gmail.com
Natalia V. Duplishcheva, Joint Stock Company «Scientific Research Firm»Miсran», Tomsk, Russia, duplishcheva.nv@micran.ru
Abstract
In the presented article, the results of the research of the spreading spectrum technology are given and its use in communication systems based on the data transmission over power lines is considered. One of the currently existing problems of data transmission systems over power lines is the absence of a compromise solution in ensuring the required data transmission rate and communication range. Ready-made solutions existing on the market provide either high data transmission rates over short distances or a communication long-range with rates not exceeding several tens of kilobits per second. The purpose of the article is to research the application of spread spectrum technology in data transmission systems over power lines. In the course of the experiment, it was found that the joint use of OFDM technology and the spread spectrum technology makes it possible to form a solution that provides communication over power lines over a distance of tens of meters with a data transmission rate of at least 5 Mbps. This article compares the TP-Link 500 Mbps modem for broadband high-speed data transmission, and the NWEPLC-1-G3M modem for narrowband low-speed data transmission. The results of modeling a communication system with different lengths and types of spreading sequences for BPSK and QPSK modulations are presented. An assessment of the interference protection was carried out. The results of an experimental research of the spectrum spreading technology on a model of a data transmission system over power lines in terms of range and transmission rate in comparison with existing devices on the market are presented. The results obtained can be used in the design of communication systems over power lines.
Keywords: power line, OFDM, spectrum extension, PLC channel, transmitter, communication standards, TP-Link 500 Mbps modem, NWEPLC-1-G3M modem
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Information about authors:
Edgar M. Dmitriyev, Assistant, Tomsk State University of Control Systems and Radioelectronics (TUSUR), Tomsk, Russia
Eugeny V. Rogozhnikov, Candidate of Technical Sciences, Docent, Tomsk State University of Control Systems and Radioelectronics (TUSUR), Tomsk, Russia
Andrey K. Movchan, Junior Research Associate, Tomsk State University of Control Systems and Radioelectronics (TUSUR), Tomsk, Russia
Semyon M. Mukhamadiev, student of Tomsk State University of Control Systems and Radioelectronics (TUSUR), Tomsk, Russia
Yakov V. Krukov, Candidate of Technical Sciences, Docent, Tomsk State University of Control Systems and Radioelectronics (TUSUR), Tomsk, Russia
Natalia V. Duplishcheva, Engineer-Constructor, Joint Stock Company «Scientific Research Firm»Miсran», Tomsk, Russia