光电子快报(英文版), 2015, 11 (5): 375, Published Online: Oct. 12, 2017  

A novel TS-EIA-PTS PAPR reduction algorithm for optical OFDM systems

Author Affiliations
Key Laboratory of Optical Communication and Networks, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
Abstract
Because the partial transmit sequence (PTS) peak-to-average power ratio (PAPR) reduction technology for optical orthogonal frequency division multiplexing (O-OFDM) systems has higher computational complexity, a novel two-stage enhanced-iterative-algorithm PTS (TS-EIA-PTS) PAPR reduction algorithm with lower computational complexity is proposed in this paper. The simulation results show that the proposed TS-EIA-PTS PAPR reduction algorithm can reduce the computational complexity by 18.47% in the condition of the original signal sequence partitioned into 4 sub-blocks at the remaining stage of n-d=5. Furthermore, it has almost the same PAPR reduction performance and the same bit error rate (BER) performance as the EIA-PTS algorithm, and with the increase of the subcarrier number, the computational complexity can be further reduced. As a result, the proposed TS-EIA-PTS PAPR reduction algorithm is more suitable for the practical O-OFDM systems.

YUAN Jian-guo, LI Zhang-chao, MA Jun, WANG Yong, LIN Jin-zhao, PANG Yu. A novel TS-EIA-PTS PAPR reduction algorithm for optical OFDM systems[J]. 光电子快报(英文版), 2015, 11(5): 375.

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