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Title: Signal Processing in Telecommunications with Forward Correction of Errors
Authors: Boiko, Juliy
Eromenko, Oleksander
Keywords: modulation;telecommunications;signal-code construction;optimum receiver
Issue Date: Sep-2018
Publisher: Idonesian Journal of Electrical Engineering and Computer Science
Citation: Boiko J. Signal Processing in Telecommunications with Forward Correction of Errors / J. Boiko, O. Eromenko // Indonesian Journal of Electrical Engineering and Computer Science. - 2018. - Vol.11, nr. 3. - P. 868-877.
Series/Report no.: 11(3);
Abstract: The development of mechanisms of increase efficiency of frequency-shift keying signals processing in telecommunications using algorithms of noise immunity channel coding in obstacle effect conditions is held in the article. The synthesis of the frequency-shift keying signal processing unit accounting intersymbol communication which is inherent for such signals with continuous phase is held. The conditions of the compromise implementation in the telecommunication information transmission channel with frequency shift keying and error correction coding for setting the optimal encoding rate in the range of the bandwidth of the information transmission system are explored. Linear cyclic codes Bose-Chaudhuri-Hocquenghem (BCH) are used for studying. By means of Matlab the article focuses on the definition of energetic benefit compared to uncoded system in case of equality of the bandwidth of the information transmission system with coding and without coding.
Description: The digital frequency shift keying (FSK) signals are widespread used in modern telecommunications, in particular standards for cellular communication of GSM, TETRAPOL, DECT, radio modems, audiocontrol systems and some satellite channels of information transmission. Gauss frequency shift keying (GMSK) has some important benefits: the compact range and the possibility of coherent detection. The main problem is to find the effective of signal-code construction (SCC), methods of generating signals of the frequency shift keying and the synthesis and the development of optimal device for receiving and processing frequency shift keying signal depending on the duration of the transition process in the filtering circuit and setting a minimum limit hypotheses level to minimize distortion of bit parcels. The solution of this problem will allow to improve the quality of digital telecommunication channels. Discussed issues in the article and the problem statement for the research can be described as follows: the introduction to the scheme of formation of block coding signals leads to the bandwidth increase of information flow in contrast with the case when the modulation of information signals is exclusively used in the information transmission system. Therefore, it is important to establish the best compromise between modulation and coding for a given bandwidth in the case of information transmission in telecommunication systems.
ISSN: 2502-4752
metadata.dc.type: Стаття
Appears in Collections:Кафедра телекомунікацій та радіотехніки

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