Volume 30 Issue 1
Jan.  2021
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QIAO Gang, XING Siyu, ZHOU Feng. Selected-Mapping Peak-to-Average Power Reduction Method with Orthogonal Pilot Sequences in Underwater Acoustic OFDM System Without Side Information[J]. Chinese Journal of Electronics, 2021, 30(1): 160-163. doi: 10.1049/cje.2020.11.015
Citation: QIAO Gang, XING Siyu, ZHOU Feng. Selected-Mapping Peak-to-Average Power Reduction Method with Orthogonal Pilot Sequences in Underwater Acoustic OFDM System Without Side Information[J]. Chinese Journal of Electronics, 2021, 30(1): 160-163. doi: 10.1049/cje.2020.11.015

Selected-Mapping Peak-to-Average Power Reduction Method with Orthogonal Pilot Sequences in Underwater Acoustic OFDM System Without Side Information

doi: 10.1049/cje.2020.11.015
Funds:

the National Natural Science Foundation of China 61431004

the National Natural Science Foundation of China 61571151

the National Natural Science Foundation of China 61501134

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  • Author Bio:

    QIAO Gang  received the Ph.D. degree in signal and information processing from the College of Underwater Acoustic Engineering, Harbin Engineering University, China. He is a professor and the Dean in the College of Underwater Acoustic Engineering at Harbin Engineering University. He is a member of Acoustical Society of China and the vice chairman of Robotics Society of Hei Longjiang Province. His current research interests include underwater communication and network, detection and positioning of underwater targets, and the sonar designed for small carriers. (Email: qiaogang@hrbeu.edu.cn)

  • Corresponding author: ZHOU Feng  (corresponding author) received the Ph.D. degree in signal and information processing from the College of Underwater Acoustic Engineering, Harbin Engineering University, China. He is currently an professor in the College of Underwater Acoustic at the Harbin Engineering University. His current research interests are underwater acoustic spread spectrum communications, localization in underwater networks and underwater acoustic modem development. (Email: zhoufeng@hrbeu.edu.cn)
  • Received Date: 2018-04-02
  • Accepted Date: 2019-07-12
  • Publish Date: 2021-01-01
  • A novel Selected-mapping (SLM) Peak-to-average power ratio (PAPR) reduction scheme requires no Side information (SI) in Underwater acoustic (UWA) OFDM system is proposed. In the proposed scheme, every distinct phase sequence is represented by a unique Orthogonal comb pilot sequence (OPS), and the orthogonal properties of the OPSs are used to distinguish the index of phase sequences at the receiver. Therefore, the proposed scheme does not need to reserve bits for transmitting SI, so that the data rate can be raised. Simulation results show that the PAPR reduction performance has almost 0.5dB gains comparing to the Conventional SLM (C-SLM) scheme and the Bit error ratio (BER) performance is approximately the same as the SLM scheme with perfect SI. Field experimental results also demonstrate that the proposed scheme can differentiate phase sequences, therefore significantly enhance the quality of the UWA OFDM communication system.
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