Doppler Frequency Shift Estimation Method for Orthogonal Frequency Division Multiplexing Underwater Acoustic Communication Based on Data Sample Variance

ZHOU Chengyang; WANG Wei; HONG Danyang; ZHANG Chunhua

doi:10.11999/JEIT210348

Volume 44 Issue 6

Jun. 2022

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Article Navigation > Journal of Electronics & Information Technology > 2022 > 44(6): 2035-2044

ZHOU Chengyang, WANG Wei, HONG Danyang, ZHANG Chunhua. Doppler Frequency Shift Estimation Method for Orthogonal Frequency Division Multiplexing Underwater Acoustic Communication Based on Data Sample Variance[J]. Journal of Electronics & Information Technology, 2022, 44(6): 2035-2044. doi: 10.11999/JEIT210348

Citation:

ZHOU Chengyang, WANG Wei, HONG Danyang, ZHANG Chunhua. Doppler Frequency Shift Estimation Method for Orthogonal Frequency Division Multiplexing Underwater Acoustic Communication Based on Data Sample Variance[J]. Journal of Electronics & Information Technology, 2022, 44(6): 2035-2044. doi: 10.11999/JEIT210348

Citation:

ZHOU Chengyang, WANG Wei, HONG Danyang, ZHANG Chunhua. Doppler Frequency Shift Estimation Method for Orthogonal Frequency Division Multiplexing Underwater Acoustic Communication Based on Data Sample Variance[J]. Journal of Electronics & Information Technology, 2022, 44(6): 2035-2044. doi: 10.11999/JEIT210348

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Doppler Frequency Shift Estimation Method for Orthogonal Frequency Division Multiplexing Underwater Acoustic Communication Based on Data Sample Variance

doi: 10.11999/JEIT210348

ZHOU Chengyang^{1, 2, 3},
WANG Wei^{1, 3},
HONG Danyang^{1, 2, 3},
ZHANG Chunhua^{1, 3
,
,}

1.
Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China
3.
Key Laboratory of Science and Technology on Advanced Underwater Information of Chinese Academy of Sciences, Beijing 100190, China

Funds: The Director’s Fundation of Institute of Acoustics, Chinese Academy of Sciences (Y754191211)

Received Date: 2021-04-23
Rev Recd Date: 2021-07-16

Available Online: 2021-07-26

Publish Date: 2022-06-21

Abstract

Abstract

To overcome disadvantages of Orthogonal Frequency Division Multiplexing(OFDM) underwater acoustic mobile communication, a data variance-based Doppler frequency shift estimation method is proposed to estimate the time-varying Doppler shifts. The estimated channel response of previous OFDM symbol is utilized to recover the valid data sequence and its frequency-domain diversity. The variance of the ratio of data sequence and diversity copy are calculated under different Doppler compensation factors. Then the correct Doppler frequency shift factor is achieved by seeking the minimum of the variance. Sparse Bayesian learning and decision feedback channel estimation algorithm are used for calculating the revised channel frequency-domain response. The channel response is propagated to the follow-up symbol to track the time-varying Doppler shifts. The feasibility and superiority of the proposed method are verified by simulation. The sea trail demonstrates that the proposed algorithm can effectively estimate the Doppler shifts in underwater acoustic OFDM mobile communication for Unmanned Underwater Vehicle.

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References(23)

References

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