Synchronization and Doppler scale estimation with dual PN padding TDS-OFDM for underwater acoustic communication

被引：0
|
作者：
Chen, Zhenrui [1 ,2 ]
Zheng, Yahong Rosa [3 ]
Wang, Jintao [1 ,2 ,4 ]
Song, Jian [1 ,2 ,4 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Tsinghua Natl Lab Informat Sci & Technol, Beijing 100084, Peoples R China
[3] Univ Missouri Sci & Technol, Dept Elect & Comp Engn, Rolla, MO 65409 USA
[4] Shenzhen City Key Lab Digital TV Syst, Shenzhen 518057, Peoples R China
来源：
2013 OCEANS - SAN DIEGO | 2013年
基金：
美国国家科学基金会;
关键词：
D O I：
暂无
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
We propose a joint synchronization and Doppler scale estimation method with time domain synchronous orthogonal frequency division multiplexing (TDS-OFDM) for underwater acoustic communication. Dual frequency-domain pseudo-random noise (PN) sequences serve as training sequences for synchronization and channel estimation. Frame synchronization, carrier frequency offset (CFO) estimation and Doppler scale estimation are obtained simultaneously by two-dimensional auto-correlations of received signals. Theoretical analyses and computer simulations show that the proposed method is suitable for synchronization and Doppler scale estimation, even in the presence of long delay spread and significant Doppler effects.
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页数：4
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