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Methods of building OFDM systems and radio signal processing in MatLab simulink

Dyomko Anatoly Ilyich  (Ph.D. technics, Associate Professor, Surgut State University)

Semenov Oleg Yurievich  (Ph.D. physics, Associate Professor, Surgut State University)

In this article the propagation of a radio signal and the methods of its processing and transmission, which reduce the number of bit errors and increase the noise immunity of a data transmission system are studied. The main aspects of model-oriented design and simulation modeling are considered. In this work the MatLab code for the OFDM method of processing a radio signal are used. Dependency graphs explaining the effect of the impacting interference on the propagated signal are obtained. During the simulation, models of MIMO-OFDM systems using a radio channel for quadrature amplitude modulation types 64 and 16QAM are described.

Keywords:OFDM system, radio signal, amplitude modulation, MatLab Simulink, convolutional coding, MIMO, Gaussian noise, error probability coefficient BER
 

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Citation link:
Dyomko A. I., Semenov O. Y. Methods of building OFDM systems and radio signal processing in MatLab simulink // Современная наука: актуальные проблемы теории и практики. Серия: Естественные и Технические Науки. -2019. -№11-2. -С. 47-54
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