PAPR reduction in OFDM system using clipping and filtering methods based on CCDF

PAPR reduction in OFDM system using clipping and filtering methods based on CCDF

Автор: Tanvir Ul Haque, Sharif Hossen

Журнал: International Journal of Computer Network and Information Security @ijcnis

Статья в выпуске: 10 vol.11, 2019 года.

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Wireless communication systems are becoming so promising day-by-day due to the mobility and the dynamicity of communication pattern. But, to fulfill the wide range of user’s demand it has become much important to use some techniques which would be most efficient in terms of bandwidth and speed. The multicarrier strategy, called as orthogonal frequency division multiplexing (OFDM) has outstanding features to fulfill these demands. Multipath fading, delay spread, frequency selective fading and inter channel interference all of these limitations of wireless communication compound it with the scarcity of bandwidth gave rise to OFDM. However, the high peak-to-average power ratio is a great problem or a barrier in OFDM which causes the signal being distorted with the insufficient power at the receiver. There are some specified techniques to minimize it. In this paper, we have used clipping and filtering methods to minimize the effect of peak-to-average power ratio.

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OFDM, PAPR, Fourier transform, Clipping, and Filtering

Короткий адрес: https://sciup.org/15015717

IDR: 15015717   |   DOI: 10.5815/ijcnis.2019.10.02

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