受海豚声音启发的隐蔽水下声学通信与微型调制解调器

Dolphin Sounds-Inspired Covert Underwater Acoustic Communication and Micro-Modem.

作者信息

Qiao Gang, Zhao Yunjiang, Liu Songzuo, Bilal Muhammad

机构信息

Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin 150001, China.

College of Underwater Acoustic Engineering, Harbin Engineering University, Harbin 150001, China.

出版信息

Sensors (Basel). 2017 Oct 25;17(11):2447. doi: 10.3390/s17112447.

DOI:10.3390/s17112447

PMID:29068363

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5712797/

Abstract

A novel portable underwater acoustic modem is proposed in this paper for covert communication between divers or underwater unmanned vehicles (UUVs) and divers at a short distance. For the first time, real dolphin calls are used in the modem to realize biologically inspired Covert Underwater Acoustic Communication (CUAC). A variety of dolphin whistles and clicks stored in an SD card inside the modem helps to realize different biomimetic CUAC algorithms based on the specified covert scenario. In this paper, the information is conveyed during the time interval between dolphin clicks. TMS320C6748 and TLV320AIC3106 are the core processors used in our unique modem for fast digital processing and interconnection with other terminals or sensors. Simulation results show that the bit error rate (BER) of the CUAC algorithm is less than 10 - 5 when the signal to noise ratio is over ‒5 dB. The modem was tested in an underwater pool, and a data rate of 27.1 bits per second at a distance of 10 m was achieved.

摘要

本文提出了一种新型便携式水下声学调制解调器，用于潜水员或水下无人航行器（UUV）与潜水员之间的短距离隐蔽通信。该调制解调器首次使用真实的海豚叫声来实现受生物启发的隐蔽水下声学通信（CUAC）。调制解调器内部SD卡中存储的各种海豚哨声和滴答声有助于根据特定的隐蔽场景实现不同的仿生CUAC算法。本文中，信息在海豚滴答声之间的时间间隔内进行传输。TMS320C6748和TLV320AIC3106是我们独特调制解调器中用于快速数字处理以及与其他终端或传感器互连的核心处理器。仿真结果表明，当信噪比超过‒5 dB时，CUAC算法的误码率（BER）小于10 - 5。该调制解调器在水下泳池中进行了测试，在10 m的距离上实现了27.1比特每秒的数据速率。