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Iterative Dichotomy PAPR Reduction Method for Multicarrier Waveforms
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DOI：10.1109/LCOMM.2019.2935439.png)
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OFDM: one of the well-known multicarrier modulations (MCM), has been recently chosen, by the standardization bodies, to be the Down-link waveform for the 5G systems. OFDM, like all other MCM techniques, suffers from high Peak to Average Power Ratio (PAPR). Indeed, the time domain signal has a very great dynamic. This high PAPR is problematic, when non linear power amplifiers (PA) are used at high energy efficient level. In order to relax this problem, we propose in this letter a new method called Iterative Dichotomy PAPR reduction (IDP). The main idea of this proposed algorithm is to decompose the original signal into $M$ signals with lower PAPR using (IDP) algorithm and amplify them by amplifiers with much lower saturation power. When $M = 2$ The theoretical analysis and the simulations results, presented in this letter, show a gain of $2.2 similar to{dB}$ in terms of PAPR.
Keyword:
5G
MCM
OFDM
PAPR
IDP
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4.4
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1.3W
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2.2W
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Hybrid Peak-to-Average Power Ratio Reduction Techniques: Review and Performance Comparison.png)
IEEE ACCESS
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IEEE ACCESSIF3.6
OAAI分享收藏Simplified Approach to Optimized Iterative Clipping and Filtering for PAPR Reduction of OFDM Signals
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