INVESTIGATION OF SPECTRA OF MOBILE COMMUNICATION SYSTEMS USING RTL-SDR RADIO RECEIVER
Kengesbayeva S.S. Utebayeva D.Z.H. Ilipbayeva L.B.
15 August 2022Little Lion Scientific
Journal of Theoretical and Applied Information Technology
2022#100Issue 154844 - 4851 pp.
Mobile phones are becoming an integral part of our daily lives. In fact, the mobile Internet has become one of the most important components of our business transactions and social life. As a result, the number of mobile users has increased significantly. Mobile signal users are distributed across different countries with different densities. This is due to the fact that the provision of mobile services depends on mobile operators and the pace of technological development of communications in countries. And the rise in popularity of mobile communications has made the electromagnetic spectrum of mobile signals unevenly distributed across frequencies, resulting in spectral inefficiencies. Accordingly, some spectra are used extensively, and some are left unused. The relevance of the proposed work lies in the fulfillment of the prerequisites for solving the problem of inefficient use of this mobile spectrum. The uneven distribution of these mobile spectra causes spectrum shortages. More recently, this problem began to be solved with the help of a special technique, such as Cognitive Radio. Cognitive radio first studies the spectra of mobile signals and then determines the signal density. This work proposed to perform the first stage of Cognitive Radio with spectrum recognition of mobile communication standards such as GSM, UMTS and LTE for Kazakhstan using RTL-SDR radio receiver. Since this work is aimed at studying the technical capabilities of the RTL-SDR radio receiver for mobile signals, it considered the study of the standard of mobile signals, such as GSM, UMTS and LTE. The result of the study shows that the technical capabilities of the RTL-SDR radio receiver are fully supported for the GSM and UMTS standards and partially for the LTE standard as a research platform for use in the Cognitive Radio method.
GSM , Mobile Signals , RTL-SDR , Spectra of Mobile Communication Systems , UMTS and LTE
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Satbayev University, Department of ET&ST, Almaty, Kazakhstan
International Information Technology University, Department of RET, Almaty, Kazakhstan
Satbayev University
International Information Technology University
10 лет помогаем публиковать статьи Международный издатель
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