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Measurement and Modeling of Narrowband Channels for Ultrasonic Underwater Communications

Francisco Cañete, Jesús López-Fernández, Celia García-Corrales, Antonio Sánchez, Encarnación Robles, Francisco Rodrigo, José Paris
2016 Sensors  
Fading in underwater channels has been previously measured and modeled in the audio band. However, there have been few attempts to study it at ultrasonic frequencies.  ...  In this paper, a campaign of measurements of ultrasonic underwater acoustic channels in Mediterranean shallow waters conducted by the authors is presented.  ...  The data analysis, fading modeling and capacity estimation were conducted by  ... 
doi:10.3390/s16020256 pmid:26907281 pmcid:PMC4801632 fatcat:x3zrhwlxcrdaxmilb6vbpv7lui

XXXIV Symposium on Hydroacoustics Jastarnia, Poland, May 23 – 26, 2017

2017 Archives of Acoustics  
The proposed approach allows detection of pulses of unknown parameters, which may be used in passive hydrolocation or jamming detection in underwater communication.  ...  Inertial Sensors Applications in Underwater Measurements Bikonis Krzysztof, Technological progress have made the use of remotely controlled objects moving on the surface and underwa-Unauthenticated Download  ...  The paper presents the results of narrowband and onethird-octave frequency analyzes of remote-controlled surface and underwater vehicles.  ... 
doi:10.1515/aoa-2017-0058 fatcat:erjvspfxg5fkpmnu7y6skvzgf4

An Airborne Sonar System for Underwater Remote Sensing and Imaging

Aidan Fitzpatrick, Ajay Singhvi, Amin Arbabian
2020 IEEE Access  
The limited number of channels currently feasible for multi-point LDVs cannot provide sufficient spatial sampling of the underwater acoustic signals for large-scale imaging.  ...  Many works have studied the generation of an underwater acoustic source through a noncontact manner for applications including communication and sensing [13] - [16] , [31] .  ...  .: An Airborne Sonar System for Underwater Remote Sensing and Imaging The first term of the Green's Function in (16) accounts for the downward propagating wave while the second term realizes the reflected  ... 
doi:10.1109/access.2020.3031808 fatcat:gmh6yommwfbhdf6n6zagl3cyri

Challenges and implications of using ultrasonic communications in intra-body area networks

Laura Galluccio, Tommaso Melodia, Sergio Palazzo, Giuseppe Enrico Santagati
2012 2012 9th Annual Conference on Wireless On-Demand Network Systems and Services (WONS)  
Acoustic waves are the transmission technology of choice for underwater communications, since they are known to propagate better than their RF counterpart in media composed mainly of water.  ...  Then, we discuss future research challenges for ultrasonic networking of intra-body devices at the physical, medium access and network layers of the protocol stack.  ...  Ultrasonic Transducers To accurately model the ultrasonic communication channel in tissues we need to understand how propagation parameters are affected by the characteristics of the transmitting and receiving  ... 
doi:10.1109/wons.2012.6152227 dblp:conf/wons/GalluccioMPS12 fatcat:kqpnp6aby5cpfhkgcdmyx3gtpu

A Software-Defined Ultrasonic Networking Framework for Wearable Devices

G. Enrico Santagati, Tommaso Melodia
2017 IEEE/ACM Transactions on Networking  
We contend that this is not the only possible approach, and we introduce U-Wear, the first networking framework for wearable medical devices based on ultrasonic communications.  ...  Index Terms-Body area networks, body sensor networks, wearable medical devices, ultrasonic communications and networking, acoustic communications and networking. 1063-6692  ...  This feature makes GMSK the signaling scheme of choice for narrowband communications in the near-ultrasonic frequency range based on COTS speakers and microphones.  ... 
doi:10.1109/tnet.2016.2616724 fatcat:j4ome4cjrrbt7iu7dyomylitni

Bioinspired metagel with broadband tunable impedance matching

Erqian Dong, Zhongchang Song, Yu Zhang, Shahrzad Ghaffari Mosanenzadeh, Qi He, Xuanhe Zhao, Nicholas X. Fang
2020 Science Advances  
Furthermore, we experimentally show that the metagel device offers efficient implementation in broadband underwater ultrasound detection with the benefit of being soft and tunable.  ...  However, existing design of acoustic impedance matching, which extends exactly by a quarter wavelength, sets a fundamental limit of narrowband transmission.  ...  Data and materials availability: All data needed to evaluate the conclusions in the paper are present in the paper and/or the Supplementary Materials.  ... 
doi:10.1126/sciadv.abb3641 pmid:33127672 fatcat:l3qwxt4doffwzppobogz7likxu

Software-Defined Ultrasonic Communication System with OFDM for Secure Video Monitoring

Xin Huang, Jafar Saniie, David Arnold, Tianyang Fang, Alexander Heifetz, Sasan Bakhtiari
2022 IEEE Access  
Also, pipelines and chemical containers have metal structures that can be used as channels for ultrasonic communications.  ...  In this paper, we investigate the architecture of a reconfigurable softwaredefined ultrasonic communication (SDUC) platform that can make use of the complete channel bandwidth for real-time video transmission  ...  Most advancements in ultrasonic communication are made for underwater applications [6] .  ... 
doi:10.1109/access.2022.3168706 fatcat:5e6tfpcxqzbsvpx76h4e6dzkwm

Compact Elliptical UWB Antenna for Underwater Wireless Communications

Adam R. H. Alhawari, Sama F. Majeed, Tale Saeidi, Sajid Mumtaz, Hisham Alghamdi, Ayman Taher Hindi, A. H. M. Almawgani, Muhammad Ali Imran, Qammer H. Abbasi
2021 Micromachines  
However, previous designs of similar work for underwater communications were very complicated, uneasy to fabricate, and large.  ...  The increasing needs of free licensed frequency bands like Industrial, Scientific, and Medical (ISM), Wireless Local Area Network (WLAN), and 5G for underwater communications required more bandwidth (BW  ...  Acknowledgments: The authors would like to express their Gratitude to the Ministry of Education and the deanship of scientific research-Najran University-Kingdom of Saudi Arabia for their financial and  ... 
doi:10.3390/mi12040411 pmid:33917167 pmcid:PMC8067856 fatcat:5ppr3e7zjfct7lox4567samrda

Cross-Medium Photoacoustic Communications: Challenges, and State of the Art

Muntasir Mahmud, Md Shafiqul Islam, Akram Ahmed, Mohamed Younis, Fow-Sen Choa
2022 Sensors  
Particularly it has been conventionally assumed that a surface node will be deployed to act as a relay using acoustic links for underwater nodes and radio links for air-based communication.  ...  While numerous studies have been dedicated to tackling the challenges for underwater communication, little attention has been paid to effectively interfacing the underwater networks to remote entities.  ...  Thus, modeling the acoustic communication channel in underwater configuration has been the target of multiple studies where the effect of Sound Speed Profile (SSP) onto the propagating acoustic signal  ... 
doi:10.3390/s22114224 pmid:35684851 fatcat:25vasivpsncthmhysdoo7zlt7u

Multi-Media and Multi-Band Based Adaptation Layer Techniques for Underwater Sensor Networks

Delphin Raj K M, Sun-Ho Yum, Eunbi Ko, Soo-Young Shin, Jung-Il Namgung, Soo-Hyun Park
2019 Applied Sciences  
In the last few decades, underwater communication systems have been widely used for the development of navy, military, business, and safety applications, etc.  ...  For the channel selection mechanism, two phases are involved: 1. Finding the distance of near and far nodes using Manhattan method, and 2.  ...  By dividing the wide band frequency selective channel into narrowband smooth fading sub channels, OFDM is more robust in terms of frequency fading.  ... 
doi:10.3390/app9153187 fatcat:upz6pxry6fc6fnuo3qa6nupkfq

Assessment of Wide-Sense Stationarity of an Underwater Acoustic Channel Based on a Pseudo-Random Binary Sequence Probe Signal

Iwona Kochanska
2020 Applied Sciences  
The performances of Underwater Acoustic Communication (UAC) systems are strongly related to the specific propagation conditions of the underwater channel.  ...  The results are similar, and thus, it is possible to assess if the UAC channel can be modelled as a WSS stochastic process without the need for TVIR estimation.  ...  A trend-stationary channel model was proposed in [12] for underwater communication system.  ... 
doi:10.3390/app10041221 fatcat:dac2eyt5czfydj6easeuwly7za

Ultrasonic networking for E-health applications

G. E. Santagati, T. Melodia, L. Galluccio, S. Palazzo
2013 IEEE wireless communications  
Two major classes of channel models are typically considered, i.e., • Statistical models • Deterministic propagation models Statistical models are typically based on measurement data, while deterministic  ...  ULTRASONIC CHANNEL MODELING The first step towards the design of high-performance ultrasonic networked systems is to characterize in detail the ultrasonic propagation channel in tissues -for which, unfortunately  ... 
doi:10.1109/mwc.2013.6590053 fatcat:4okve343zrbl7lbofcxx3c6rqi

Using Fast Frequency Hopping Technique to Improve Reliability of Underwater Communication System

Jan H. Schmidt
2020 Applied Sciences  
The test results obtained for three channels of different lengths are discussed.  ...  Acoustic underwater communication systems designed to work reliably in shallow coastal waters must overcome major limitations such as multipath propagation and the Doppler effect.  ...  Acknowledgments: Special thanks to Iwona Kochańska and Krzysztof Liedtke for technical support in experimental tests. Conflicts of Interest: The author declares no conflict of interest in this work.  ... 
doi:10.3390/app10031172 fatcat:vtqgd7hecfforkwlvh2a4lavqm

Analysis of order-statistic CFAR threshold estimators for improved ultrasonic flaw detection

J. Saniie, D.T. Nagle
1992 IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control  
Ultrasonic pulse+xho measurement schematic of steel blocks and the micrographs of the two steel specimens used for experimental studies.  ...  Adaptive threshold performance for OS-, TM-, and CA-CFAR detectors for (a) moderate and (b) extreme censoring using Data 111 with PFA = PULSE-ECHO ULTRASONIC TYPE 1018 STEEL MEASUREMENT SYSTEM SPECIMEN  ...  Professor and Director of the Ultrasonic Information Processing Laboratory.  ... 
doi:10.1109/58.156180 pmid:18267673 fatcat:akgcptkcmve6falxswj4jh4dui

Toward virtual biopsy through an all fiber optic ultrasonic miniaturized transducer: a proposal

A. Acquafresca, E. Biagi, L. Masotti, D. Menichelli
2003 IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control  
Created by The Institute of Electrical and Electronics Engineers (IEEE) for the benefit of humanity.  ...  channels ........Channel allocation ........Channel capacity ........Channel estimation ........Channel models ........Channel spacing ........Channel state information ........Gaussian channels .....  ... 
doi:10.1109/tuffc.2003.1244749 fatcat:l3jre4etsvcqzfyz2jqggji3gy
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