Peak to Average Power Ratio (PAPR) Mitigation for Underwater Acoustic OFDM System by Using an Efficient Hybridization Technique

2020 ◽  
Author(s):  
Farhad Banoori ◽  
Jinglun Shi ◽  
Khalid Khan ◽  
Ruiyan Han
Keyword(s):  
Average Power ◽  
Hybridization Technique ◽  
Power Ratio ◽  
Ofdm System ◽  
Underwater Acoustic

Peak-to-Average-Power Ratio Reduction Using Low-Complexity MIMO SFBC CI–OFDM System

2014 ◽  
Vol 80 (2) ◽  
pp. 571-580 ◽  
Author(s):  
B. Soma Sekhar ◽  
A. Mallikarjuna Prasad ◽  
K. Muralikrishna
Keyword(s):  
Average Power ◽  
Low Complexity ◽  
Power Ratio ◽  
Ofdm System ◽  
Power Ratio Reduction ◽  
Ratio Reduction

scholarly journals A CCM-Based OFDM System with Low PAPR for Sparse Source

2018 ◽  
Vol 2018 ◽  
pp. 1-7
Author(s):  
Qinbiao Yang ◽  
Zulin Wang ◽  
Qin Huang
Keyword(s):  
Orthogonal Frequency Division Multiplexing ◽  
Average Power ◽  
Coded Modulation ◽  
High Peak ◽  
Frequency Division Multiplexing ◽  
Power Ratio ◽  
Frequency Division ◽  
Ofdm System ◽  
Simulation Results ◽  
Clipping And Filtering

Orthogonal frequency division multiplexing (OFDM) usually suffers high peak-to-average power ratio (PAPR). As shown in this paper, PAPR becomes even severe for sparse source due to many identical nonzero frequency OFDM symbols. Thus, this paper introduces compressive coded modulation (CCM) in order to restrain PAPR by reducing identical nonzero frequency symbols for sparse source. As a result, the proposed CCM-based OFDM system, together with iterative clipping and filtering, can efficiently restrain the high PAPR for sparse source. Simulation results show that it outperforms about 4 dB over the traditional OFDM system when source sparsity is 0.1.

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