11 July 2014 Study on the improved peak-to-average-power ratio reduction technology based on the partial transmission sequences method in optical orthogonal frequency division multiplexing systems
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Optical Engineering, 53(7), 076101 (2014). doi:10.1117/1.OE.53.7.076101
Abstract
According to the defect of the high peak-to-average-power ratio (PAPR) in optical orthogonal frequency division multiplexing (OFDM) systems, the PAPR reduction technology based on the partial transmission sequences (PTS) method has been deeply studied. An improved enhanced-iterative-algorithm-PTS (EIA-PTS) technology is proposed. The proposed EIA-PTS technology, compared with the original PTS (O-PTS), can reduce the computational complexity. The simulation analysis shows that the computational complexity of the O-PTS method grows exponentially with an increase in the number of both subblocks and phase factors, while the computational complexity of the EIA-PTS technology basically remains stable and is lower than that of the O-PTS method. On the basis of the proposed EIA-PTS technology, an improved EIA-PTS-Clipping combined PAPR reduction technology that combines EIA-PTS technology with clipping technology is proposed. The simulation result shows the proposed EIA-PTS-Clipping combined PAPR reduction technology, compared with the previous proposed EIA-PTS technology, can further improve the PAPR reduction performance and has a higher application value because it can have a better tradeoff between the bit error rate performance and PAPR reduction effect for optical OFDM systems.
© 2014 Society of Photo-Optical Instrumentation Engineers (SPIE)
Jianguo Yuan, Zhangchao Li, Yunxia Hu, Quanliang Sheng, Jinzhao Lin, Pang Yu, "Study on the improved peak-to-average-power ratio reduction technology based on the partial transmission sequences method in optical orthogonal frequency division multiplexing systems," Optical Engineering 53(7), 076101 (11 July 2014). http://dx.doi.org/10.1117/1.OE.53.7.076101
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KEYWORDS
Orthogonal frequency division multiplexing

Signal processing

Computer simulations

Telecommunications

Optical engineering

Distortion

Lithium

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