Underwater acoustic positioning in multipath environment using time-of-flight signal group and database matching
T Yoshihara, T Ebihara, K Mizutani… - Japanese Journal of …, 2022 - iopscience.iop.org
One of the challenges in underwater acoustic positioning is the occurrence of missing
measurements and large errors in multipath environments, such as shallow water and …
measurements and large errors in multipath environments, such as shallow water and …
Improvement of communication quality using compressed sensing in underwater acoustic communication system with orthogonal signal division multiplexing
Y Tabata, T Ebihara, H Ogasawara… - Japanese Journal of …, 2020 - iopscience.iop.org
We propose the use of compressed sensing for an underwater acoustic (UWA)
communication system with orthogonal signal division multiplexing (OSDM) to achieve …
communication system with orthogonal signal division multiplexing (OSDM) to achieve …
Underwater acoustic communication using orthogonal signal division multiplexing with windowing
Y Tabata, T Ebihara, H Ogasawara… - Japanese Journal of …, 2022 - iopscience.iop.org
Underwater acoustic (UWA) communication is an essential technology that supports
underwater surveys by transmitting images and movies wirelessly. However, UWA …
underwater surveys by transmitting images and movies wirelessly. However, UWA …
Mobile underwater acoustic communication with orthogonal signal division multiplexing under inter-carrier interference larger than a guardband
Y Tabata, T Ebihara, H Ogasawara… - Japanese Journal of …, 2021 - iopscience.iop.org
Underwater acoustic (UWA) communication is a key technology providing wireless
communication, but using UWA channels is challenging due to the existence of large …
communication, but using UWA channels is challenging due to the existence of large …
Underwater acoustic communication using orthogonal signal division multiplexing scheme with time diversity
T Ebihara, H Ogasawara… - Japanese Journal of …, 2016 - iopscience.iop.org
In this paper, an underwater acoustic (UWA) communication scheme for mobile platforms is
proposed. The proposed scheme is based on the orthogonal signal division multiplexing …
proposed. The proposed scheme is based on the orthogonal signal division multiplexing …
Investigation of Characteristics of Underwater Acoustic Channel and Quality of Underwater Acoustic Communication in Line-of-Sight and Non-Line-of-Sight …
T Waki, Y Hara, T Ebihara, N Wakatsuki… - Journal of Signal …, 2023 - jstage.jst.go.jp
抄録 Underwater acoustic (UWA) communication is an essential technology for networking
underwater sensors and drones to support maritime activities. However, real-time data …
underwater sensors and drones to support maritime activities. However, real-time data …
2P6-6 Preliminary Statistical Analysis of Transient Noise Observed at Several Coastal Waters in Japan
K Shikata, H Kawahara, K Mori… - … of Symposium on …, 2016 - jstage.jst.go.jp
In coastal water, ambient noise is dominated by snapping shrimp, and it is necessary to
know its characteristics to design and operate of sonar system. The ocean ambient noise …
know its characteristics to design and operate of sonar system. The ocean ambient noise …
1P6-9 Harbor Demonstration of Underwater Acoustic Communication Using Doppler-resilient Orthogonal Signal Division Multiplexing
Underwater acoustic (UWA) communication has been used for underwater operations, and
the scope of its usage is still growing. For example, in new underwater projects, UWA …
the scope of its usage is still growing. For example, in new underwater projects, UWA …