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Optical Engineering

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
Author(s): Jianguo Yuan; Zhangchao Li; Yunxia Hu; Quanliang Sheng; Jinzhao Lin; Pang Yu
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Paper 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.

Paper Details

Date Published: 11 July 2014
PDF: 6 pages
Opt. Eng. 53(7) 076101 doi: 10.1117/1.OE.53.7.076101
Published in: Optical Engineering Volume 53, Issue 7
Show Author Affiliations
Jianguo Yuan, Chongqing Univ. of Posts and Telecommunications (China)
Zhangchao Li, Chongqing Univ. of Posts and Telecommunications (China)
Yunxia Hu, Chongqing Univ. of Posts and Telecommunications (China)
Quanliang Sheng, Chongqing Univ. of Posts and Telecommunications (China)
Jinzhao Lin, Chongqing Univ. of Posts and Telecommunications (China)
Pang Yu, Chongqing Univ. of Posts and Telecommunications (China)


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