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Performance Comparison of a Novel DFT-Based Method and Conventional Channel Coding Methods for Clipping Noise Cancellation in OFDM Systems
Hamid SAEEDI Paeiz AZMI Farokh MARVASTI
IEICE TRANSACTIONS on Communications
Publication Date: 2004/04/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technology
OFDM, clipping distortion, channel coding, discrete Fourier transform,
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A DFT-Based method (DBM) has been proposed to compensate for the performance degradation caused by clipping distortion at the expense of bandwidth expansion. On the other hand, in any communication systems, conventional channel coding methods can be employed to improve performance. In this letter, the performance of the DBM and the channel coding methods (CCM) are compared. Furthermore, we introduce a hybrid system which outperforms both the DBM and the CCM.