Increasing of the qam symbols reconstruction accuracy when applying the filtered orthogonal frequency division multiplexing method

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Аннотация

The filtered orthogonal frequency division multiplexing method used for the transmission of the signals with spectra in adjacent frequency subbands has been analyzed. Three types of errors appearing when applying the method for quadrature amplitude modulation symbols transmission have been described. For the error reduction the modified algorithm based on cyclic convolution properties has been developed. In the numerical experiment, the classical and modified algorithms have been applied in combination with modulation schemes of large order.

Авторлар туралы

K. Budunova

Kotel’nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: 1917schw@mail.ru
Ресей, Mokhovaya Str., 11, Build. 7, Moscow, 125009

V. Kravchenko

Kotel’nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences; Bauman State Technical University; Scientific and Technological Center of Unique Instrumentation, Russian Academy of Sciences

Email: kvf-ok@mail.ru
Ресей, Mokhovaya Str., 11, Build. 7, Moscow, 125009; 2nd Baumanskaya Str., 5,Build. 1, Moscow, 105005; Butlerova Str., 15, Moscow, 117342

Әдебиет тізімі

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