A combination of time and frequency synchronization with Doppler compensation for coded OFDM-based UWA systems

被引：0
|
作者：
Hoai Linh Nguyen Thi [1 ]
Quoc Khuong Nguyen [1 ]
Van Duc Nguyen [1 ]
机构：
[1] Hanoi Univ Sci & Technol, Wireless Commun Lab, Sch Elect & Elect Engn, Hanoi, Vietnam
来源：
2023 ASIA PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE, APSIPA ASC | 2023年
关键词：
OFDM; underwater acoustic (UWA); Forward Error Correction (FEC); Doppler compensation; non-uniform FFT; CHANNEL ESTIMATION;
D O I：
10.1109/APSIPAASC58517.2023.10317502
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
The paper proposes a combination of time and frequency synchronization with Doppler compensation for coded OFDM-based UWA systems. In addition, we use a soft-decision for M-QAM schemes and Viterbi decoding to enhance the system's performance. A novel pilot arrangement scheme is proposed to mitigate inter-carrier and intersymbol interference. The simulation results show that the system performance obtained by the proposed concept significantly outperforms the state-of-the-art methods.
引用
收藏
页码：1304 / 1309
页数：6
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