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Tone Reservation Technique Based on Peak-Windowing Residual Noise for PAPR Reduction in OFDM Systems.
- Source :
-
IEEE Transactions on Vehicular Technology . Nov2015, Vol. 64 Issue 11, p5373-5378. 6p. - Publication Year :
- 2015
-
Abstract
- Peak-to-average power ratio (PAPR) of orthogonal frequency-division multiplexing (OFDM) may be reduced by reserving several tones to generate a peak-canceling signal (PCS). However, this method suffers from high computational complexity. To address this problem, this paper proposes an algorithm based on peak-windowing residual noise, which is generated by windowing the signal samples that exceed the predetermined threshold. Filtering the residual noise to satisfy tone reservation (TR) constraints and scaling with a scaling factor determined to minimize the out-of-range power generates the PCS. Simulation results show that the proposed algorithm can achieve 6.9-dB PAPR reduction with much lower complexity than other schemes. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00189545
- Volume :
- 64
- Issue :
- 11
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Vehicular Technology
- Publication Type :
- Academic Journal
- Accession number :
- 110950575
- Full Text :
- https://doi.org/10.1109/TVT.2014.2378811