Low-Complexity Wake-up Detector for underwater acoustic MODEM

被引：0
|
作者：
Xiong, Shengjun [1 ]
Zhou, Lisheng [1 ]
Qiming, M. A. [1 ]
Du, Pengyu [1 ]
Wang, Chao [1 ]
Zhu, Xiaohui [1 ]
机构：
[1] Hangzhou Appl Acoust Res Inst, Sci & Technol Sonar Lab, Hangzhou, Peoples R China
来源：
CONFERENCE PROCEEDINGS OF 2019 IEEE INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING, COMMUNICATIONS AND COMPUTING (IEEE ICSPCC 2019) | 2019年
关键词：
Underwater acoustic communication; Wake-up detection; Doppler estimation; Underwater acoustic MODEM;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Underwater acoustic MODEMs are usually powered by batteries, it is very important to design a low-power wake-up detector to save the power of modems. This paper proposes a low-complexity wake-up detector for underwater acoustic MODEM. A balanced Gold sequence is used to design a two-phase code signal as the wake-up signal. A detector algorithm is proposed that requires only one addition, one subtraction and two multiplication operations for each sample, thus achieving low computational complexity, at the same time, the algorithm can also provide accurate Doppler estimation and rough arrival time estimation for the wake-up signal. The proposed wake-up detection algorithm has been successfully tested in the lake experiment, the results show that, the proposed detector achieves high detection rate and low false alarm rate. Therefore it is suitable as a low-power wake-up detector for underwater acoustic MODEM.
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页数：6
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