Peak Regrowth Reduction Based on Segmental Approach for OFDM/OQAM signals

Vangala, Sandeepkumar, Le Minh, Hoa, Aslam, Nauman and Raza, Mohsin (2019) Peak Regrowth Reduction Based on Segmental Approach for OFDM/OQAM signals. In: SKIMA 2018 - 12th International Conference on Software, Knowledge, Information Management and Applications, 3rd - 5th December 2018, Pnomh Penh, Cambodia.

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This paper proposes an Overlapped Segmental Deep Clipping (OS-DC) method to suppress the peak regrowth. OS-DC reduces Peak-to-Average Power Ratio (PAPR) in Orthogonal Frequency Division Multiplexing with Offset Quadrature Amplitude Modulation (OFDM/OQAM) signals without the need of multiple iterations. In OS-DC the clipping function is modified to deeply clip the high amplitude peaks and is applied to an OFDM/OQAM transmission system. This achieves up to four times reduction in peak regrowth in comparison to repeated iterative Overlapped Segmental Clipping and Filtering (OS-CF). Furthermore, it is also demonstrated that the proposed method improves signal quality compared to the normal clipping, for the same PAPR.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: OFDM/OQAM, OS-DC, PAPR
Subjects: G400 Computer Science
Department: Faculties > Engineering and Environment > Computer and Information Sciences
Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Paul Burns
Date Deposited: 20 May 2019 14:16
Last Modified: 10 Oct 2019 18:48

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