Underwater Acoustic Positioning for Close Sources Using Time Division and Code Division Multiplexing-Reference-Cited by-同舟云学术

Underwater Acoustic Positioning for Close Sources Using Time Division and Code Division Multiplexing

Published:2023-03-29 Issue: Volume:17 Page:170-176
ISSN:1998-4464
Container-title:International Journal of Circuits, Systems and Signal Processing
language:en
Short-container-title:

Author:

Yoshizawa Shingo¹,Wada Atsushi¹,Sugimoto Hideki²

Affiliation:

1. Kitami Institute of Technology, Kitami, Hokkaido, 0908507, Japan

2. Penta-Ocean Construction Corporation, Tochigi, 329-2746, Japan

Abstract

Underwater acoustic positioning system (UAPS) is used to know the positions of underwater robots and underwater structures. In ultra-short baseline (USBL) acoustic positioning systems, the three-dimensional position is determined by measuring the time difference of arrival (TDOA). In this paper, we investigate the acoustic positioning system targeting multiple sound sources and propose a simultaneous multi-point measurement method using time division and code division multiplexing (TD-CDM). TD-CDM provides higher position accuracy than code division multiplexing (CDM) and has a much shorter positioning time than time division and multiplexing (TDM). The effectiveness of TD-CDM has been proven by the results of the water tank experiment and simulation.

Publisher

North Atlantic University Union (NAUN)

Subject

Electrical and Electronic Engineering,Signal Processing

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