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116 Results Found

  • Article
  • Open Access
1,040 Views
22 Pages

Efficient and timely data collection in Underwater Acoustic Sensor Networks (UASNs) for Internet of Underwater Things (IoUT) applications remains a significant challenge due to the inherent limitations of the underwater environment. This paper presen...

  • Article
  • Open Access
Future Internet2026, 18(2), 79;https://doi.org/10.3390/fi18020079 
(registering DOI)

2 February 2026

Autonomous Underwater Vehicles (AUVs) play a central role in marine observation, inspection, and monitoring missions, where effective trajectory planning is essential for ensuring safe operation, reliable sensing, and efficient data transfer. In real...

  • Article
  • Open Access
21 Citations
5,575 Views
16 Pages

Probabilistic Neighborhood-Based Data Collection Algorithms for 3D Underwater Acoustic Sensor Networks

  • Guangjie Han,
  • Shanshan Li,
  • Chunsheng Zhu,
  • Jinfang Jiang and
  • Wenbo Zhang

8 February 2017

Marine environmental monitoring provides crucial information and support for the exploitation, utilization, and protection of marine resources. With the rapid development of information technology, the development of three-dimensional underwater acou...

  • Article
  • Open Access
24 Citations
4,621 Views
24 Pages

16 July 2018

In underwater acoustic sensor networks (UASNs), medium access control (MAC) is an important issue because of its potentially significant effect on the network performance. However, designing a suitable MAC protocol for the UASN is challenging because...

  • Article
  • Open Access
12 Citations
3,553 Views
24 Pages

8 March 2023

Underwater acoustic channels are characterized by long propagation delay, limited available bandwidth and high energy costs. These unique characteristics bring challenges to design media access control (MAC) protocol for underwater acoustic sensor ne...

  • Article
  • Open Access
2 Citations
4,335 Views
9 Pages

Compressed sensing (CS) has become a powerful tool to process data that is correlated in underwater sensor networks (USNs). Based on CS, certain signals can be recovered from a relatively small number of random linear projections. Since the battery-d...

  • Article
  • Open Access
14 Citations
3,620 Views
19 Pages

4 July 2020

The autonomous underwater glider has attracted enormous interest for underwater activities, especially in long-term and large-scale underwater data collection. In this paper, we focus on the application of gliders gathering data from underwater senso...

  • Article
  • Open Access
12 Citations
5,056 Views
18 Pages

30 June 2018

Sensory data collection is one of the most important concerns in underwater sensor networks (USNs). Because full connectivity cannot be guaranteed, mobile data gathering with autonomous underwater vehicles (AUVs) is widely used in sparse three-dimens...

  • Review
  • Open Access
63 Citations
6,762 Views
22 Pages

Review of Localization and Clustering in USV and AUV for Underwater Wireless Sensor Networks

  • Kaveripakam Sathish,
  • Ravikumar Chinthaginjala Venkata,
  • Rajesh Anbazhagan and
  • Giovanni Pau

11 January 2023

Oceanographic data collection, disaster prevention, aided navigation, critical observation sub-missions, contaminant screening, and seaward scanning are just a few of the submissions that use underwater sensor hubs. Unmanned submerged vehicles (USVs)...

  • Article
  • Open Access
6 Citations
2,078 Views
16 Pages

30 November 2023

The Underwater Internet of Things (IoUT) shows significant future potential in enabling a smart ocean. Underwater sensor network (UWSN) is a major form of IoUT, but it faces the problem of reliable data collection. To address these issues, this paper...

  • Article
  • Open Access
7 Citations
1,570 Views
21 Pages

Modified Ant Colony Optimization to Improve Energy Consumption of Cruiser Boundary Tour with Internet of Underwater Things

  • Hadeel Mohammed,
  • Mustafa Ibrahim,
  • Ahmed Raoof,
  • Amjad Jaleel and
  • Ayad Q. Al-Dujaili

17 February 2025

The Internet of Underwater Things (IoUT) holds significant promise for developing a smart ocean. In recent years, there has been swift progress in data collection methods using autonomous underwater vehicles (AUVs) within underwater acoustic sensor n...

  • Article
  • Open Access
20 Citations
4,073 Views
17 Pages

23 November 2018

In this paper, we target solving the data gathering problem in underwater wireless sensor networks. In many underwater applications, it is not quick to retrieve sensed data, which gives us the opportunity to leverage mobile autonomous underwater vehi...

  • Article
  • Open Access
140 Citations
13,610 Views
19 Pages

9 February 2012

Deploying a multi-hop underwater acoustic sensor network (UASN) in a large area brings about new challenges in reliable data transmissions and survivability of network due to the limited underwater communication range/bandwidth and the limited energy...

  • Article
  • Open Access
3 Citations
2,050 Views
27 Pages

28 April 2025

The underwater conditions of the coastal ecosystem require careful monitoring to anticipate potential environmental hazards. Moreover, the unique characteristics of the marine underwater environment have presented numerous challenges for the advancem...

  • Article
  • Open Access
91 Citations
8,798 Views
16 Pages

Energy Harvesting Hybrid Acoustic-Optical Underwater Wireless Sensor Networks Localization

  • Nasir Saeed,
  • Abdulkadir Celik,
  • Tareq Y. Al-Naffouri and
  • Mohamed-Slim Alouini

26 December 2017

Underwater wireless technologies demand to transmit at higher data rate for ocean exploration. Currently, large coverage is achieved by acoustic sensor networks with low data rate, high cost, high latency, high power consumption, and negative impact...

  • Article
  • Open Access
17 Citations
5,731 Views
24 Pages

Event Coverage Detection and Event Source Determination in Underwater Wireless Sensor Networks

  • Zhangbing Zhou,
  • Riliang Xing,
  • Yucong Duan,
  • Yueqin Zhu and
  • Jianming Xiang

15 December 2015

With the advent of the Internet of Underwater Things, smart things are deployed in the ocean space and establish underwater wireless sensor networks for the monitoring of vast and dynamic underwater environments. When events are found to have possibl...

  • Article
  • Open Access
428 Views
29 Pages

21 November 2025

Underwater robotics produces diverse and complex streams of sensor, image, video, and navigational data under challenging environmental conditions, creating obstacles for seamless integration and interpretation. This paper introduces ROVON (Remotely...

  • Article
  • Open Access
16 Citations
12,667 Views
17 Pages

Design and Implementation of an Underwater Sound Recording Device

  • Jayson J. Martinez,
  • Josh R. Myers,
  • Thomas J. Carlson,
  • Z. Daniel Deng,
  • John S. Rohrer,
  • Kurt A. Caviggia,
  • Christa M. Woodley and
  • Mark A. Weiland

1 September 2011

To monitor the underwater sound and pressure waves generated by anthropogenic activities such as underwater blasting and pile driving, an autonomous system was designed to record underwater acoustic signals. The underwater sound recording device (USR...

  • Article
  • Open Access
1 Citations
972 Views
24 Pages

A Channel-Aware AUV-Aided Data Collection Scheme Based on Deep Reinforcement Learning

  • Lizheng Wei,
  • Minghui Sun,
  • Zheng Peng,
  • Jingqian Guo,
  • Jiankuo Cui,
  • Bo Qin and
  • Jun-Hong Cui

Underwater sensor networks (UWSNs) play a crucial role in subsea operations like marine exploration and environmental monitoring. A major challenge for UWSNs is achieving effective and energy-efficient data collection, particularly in deep-sea mining...

  • Article
  • Open Access
15 Citations
3,332 Views
19 Pages

Data Uploading Strategy for Underwater Wireless Sensor Networks

  • Xiangdang Huang,
  • Shijie Sun and
  • Qiuling Yang

29 November 2019

Underwater wireless sensor networks (UWSNs) have become a popular research topic due to the challenges of underwater communication. The existing mechanisms for collecting data from UWSNs focus on reducing the data redundancy and communication energy...

  • Article
  • Open Access
2 Citations
2,074 Views
17 Pages

9 March 2023

With the booming development of marine exploration technology, new studies such as the oceanix city, smart coastal city, and underwater smart cities have been proposed, and the Internet of Underwater Things (IoUT) has received a lot of attention. Dat...

  • Article
  • Open Access
6 Citations
2,778 Views
16 Pages

17 March 2022

The motion-control precision of a shallow-sea underwater robot is seriously affected by external disturbances such as wind, waves and ocean currents. Due to the lack of a specialized disturbance-sensor system, the disturbance force and torque cannot...

  • Article
  • Open Access
60 Citations
7,966 Views
33 Pages

An Efficient Data-Gathering Routing Protocol for Underwater Wireless Sensor Networks

  • Nadeem Javaid,
  • Naveed Ilyas,
  • Ashfaq Ahmad,
  • Nabil Alrajeh,
  • Umar Qasim,
  • Zahoor Ali Khan,
  • Tayyaba Liaqat and
  • Majid Iqbal Khan

17 November 2015

Most applications of underwater wireless sensor networks (UWSNs) demand reliable data delivery over a longer period in an efficient and timely manner. However, the harsh and unpredictable underwater environment makes routing more challenging as compa...

  • Article
  • Open Access
5 Citations
1,938 Views
17 Pages

Improved AP-Clustering-Based AUV-Aided Data Collection Method for UWSNs

  • Na Xia,
  • Linmei Luo,
  • Yin Wang,
  • Ke Zhang,
  • Jun Yang,
  • Qiong Wu and
  • Chenguang Yuan

In underwater sensor networks, nodes are usually sparsely arranged, and autonomous underwater vehicles (AUVs) are often used to collect data by moving. However, it is a key problem for AUVs to shorten the path as much as possible to guarantee whole-n...

  • Article
  • Open Access
18 Citations
3,343 Views
22 Pages

With the passage of time, the exploitation of Internet of Things (IoT) sensors and devices has become more complicated. The Internet of Underwater Things (IoUT) is a subset of the IoT in which underwater sensors are used to continually collect data a...

  • Article
  • Open Access
50 Citations
5,284 Views
19 Pages

Underwater Wireless Sensor Network Performance Analysis Using Diverse Routing Protocols

  • Kaveripaka Sathish,
  • Chinthaginjala Venkata Ravikumar,
  • Anbazhagan Rajesh and
  • Giovanni Pau

The planet is the most water-rich place because the oceans cover more than 75% of its land area. Because of the unique activities that occur in the depths, we know very little about oceans. Underwater wireless sensors are tools that can continuously...

  • Article
  • Open Access
12 Citations
3,069 Views
17 Pages

1 September 2021

Sensor placement plays an important role in terrain deformation monitoring systems and has an essential effect on data collection. The difficulty of sensor placement entails obtaining the most adequate and reliable information with the fewest number...

  • Article
  • Open Access
59 Citations
8,641 Views
29 Pages

A Lightweight Blockchain Based Framework for Underwater IoT

  • Md Ashraf Uddin,
  • Andrew Stranieri,
  • Iqbal Gondal and
  • Venki Balasurbramanian

16 December 2019

The Internet of Things (IoT) has facilitated services without human intervention for a wide range of applications, including underwater monitoring, where sensors are located at various depths, and data must be transmitted to surface base stations for...

  • Review
  • Open Access
52 Citations
8,197 Views
30 Pages

Next Forwarding Node Selection in Underwater Wireless Sensor Networks (UWSNs): Techniques and Challenges

  • Ahmad Khasawneh,
  • Muhammad Shafie Bin Abd Latiff,
  • Omprakash Kaiwartya and
  • Hassan Chizari

25 December 2016

The underwater wireless sensor network (UWSN) is considered a promising technology for collecting valuable data from underwater areas, particularly for aiding military operations and environmental predictions. UWSNs consist of underwater sensor nodes...

  • Article
  • Open Access
40 Citations
9,572 Views
12 Pages

Measurement and Modeling of Narrowband Channels for Ultrasonic Underwater Communications

  • Francisco J. Cañete,
  • Jesús López-Fernández,
  • Celia García-Corrales,
  • Antonio Sánchez,
  • Encarnación Robles,
  • Francisco J. Rodrigo and
  • José F. Paris

19 February 2016

Underwater acoustic sensor networks are a promising technology that allow real-time data collection in seas and oceans for a wide variety of applications. Smaller size and weight sensors can be achieved with working frequencies shifted from audio to...

  • Article
  • Open Access
16 Citations
5,522 Views
24 Pages

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 and
  • Soo-Hyun Park

5 August 2019

In the last few decades, underwater communication systems have been widely used for the development of navy, military, business, and safety applications, etc. However, in underwater communication systems, there are several challenging issues, such as...

  • Article
  • Open Access
5 Citations
1,986 Views
31 Pages

Deep Q-Learning Based Adaptive MAC Protocol with Collision Avoidance and Efficient Power Control for UWSNs

  • Wazir Ur Rahman,
  • Qiao Gang,
  • Feng Zhou,
  • Muhammad Tahir,
  • Wasiq Ali,
  • Muhammad Adil and
  • Muhammad Ilyas Khattak

Underwater wireless sensor networks (UWSNs) widely used for maritime object detection or for monitoring of oceanic parameters that plays vital role prediction of tsunami to life-cycle of marine species by deploying sensor nodes at random locations. H...

  • Article
  • Open Access
36 Citations
4,203 Views
12 Pages

Towards Efficient Sink Mobility in Underwater Wireless Sensor Networks

  • Aqeb Yahya,
  • Saif Ul Islam,
  • Adnan Akhunzada,
  • Ghufran Ahmed,
  • Shahaboddin Shamshirband and
  • Jaime Lloret

6 June 2018

The unique characteristics of underwater environment such as long propagation delay, limited bandwidth, energy-constraint and non-uniform topology are big challenges in designing a routing protocol for underwater wireless sensor networks (UWSNs). In...

  • Article
  • Open Access
17 Citations
3,642 Views
20 Pages

AUV-Aided Optical—Acoustic Hybrid Data Collection Based on Deep Reinforcement Learning

  • Fanfeng Bu,
  • Hanjiang Luo,
  • Saisai Ma,
  • Xiang Li,
  • Rukhsana Ruby and
  • Guangjie Han

4 January 2023

Autonomous underwater vehicles (AUVs)-assisted mobile data collection in underwater wireless sensor networks (UWSNs) has received significant attention because of their mobility and flexibility. To satisfy the increasing demand of diverse application...

  • Article
  • Open Access
7 Citations
5,758 Views
19 Pages

A MAC Protocol to Support Monitoring of Underwater Spaces

  • Rodrigo Santos,
  • Javier Orozco,
  • Sergio F. Ochoa,
  • Roc Meseguer,
  • Gabriel Eggly and
  • Marcelo F. Pistonesi

27 June 2016

Underwater sensor networks are becoming an important field of research, because of their everyday increasing application scope. Examples of their application areas are environmental and pollution monitoring (mainly oil spills), oceanographic data col...

  • Article
  • Open Access
13 Citations
2,404 Views
16 Pages

16 January 2024

Underwater acoustic sensor networks (UASNs) are critical to a range of applications from oceanographic data collection to submarine surveillance. In these networks, efficient energy management is critical due to the limited power resources of underwa...

  • Article
  • Open Access
27 Citations
8,416 Views
28 Pages

Data Gathering from a Multimodal Dense Underwater Acoustic Sensor Network Deployed in Shallow Fresh Water Scenarios

  • Alberto Signori,
  • Filippo Campagnaro,
  • Fabian Steinmetz,
  • Bernd-Christian Renner and
  • Michele Zorzi

The Robotic Vessels as-a-Service (RoboVaaS) project intends to exploit the most advanced communication and marine vehicle technologies to revolutionize shipping and near-shore operations, offering on-demand and cost-effective robotic-aided services....

  • Article
  • Open Access
14 Citations
3,467 Views
26 Pages

DEDG: Cluster-Based Delay and Energy-Aware Data Gathering in 3D-UWSN with Optimal Movement of Multi-AUV

  • Reem Alkanhel,
  • Amir Chaaf,
  • Nagwan Abdel Samee,
  • Manal Abdullah Alohali,
  • Mohammed Saleh Ali Muthanna,
  • Dmitry Poluektov and
  • Ammar Muthanna

1 October 2022

The monitoring of underwater aquatic habitats and pipeline leakages and disaster prevention are assisted by the construction of an underwater wireless sensor network (UWSN). The deployment of underwater sensors consumes energy and causes delay when t...

  • Article
  • Open Access
19 Citations
3,675 Views
15 Pages

The issue of limited energy resources is crucial for underwater wireless sensor networks (UWSNs) because these networks operate in remote and harsh environments where access to power sources is limited. Overcoming the energy constraints is necessary...

  • Article
  • Open Access
10 Citations
4,760 Views
19 Pages

A Backseat Control Architecture for a Slocum Glider

  • Yaomei Wang,
  • Craig Bulger,
  • Worakanok Thanyamanta and
  • Neil Bose

Adaptive sampling provides an innovative and favorable method of improving the effectiveness of underwater vehicles in collecting data. Adaptive sampling works by controlling an underwater vehicle by using measurements from sensors and states of the...

  • Article
  • Open Access
73 Citations
5,583 Views
15 Pages

19 July 2017

Underwater sensor networks (UWSNs) have become a hot research topic because of their various aquatic applications. As the underwater sensor nodes are powered by built-in batteries which are difficult to replace, extending the network lifetime is a mo...

  • Article
  • Open Access
17 Citations
5,885 Views
16 Pages

Integration of Underwater Radioactivity and Acoustic Sensors into an Open Sea Near Real-Time Multi-Parametric Observation System

  • Sara Pensieri,
  • Dionisis Patiris,
  • Stylianos Alexakis,
  • Marios N. Anagnostou,
  • Aristides Prospathopoulos,
  • Christos Tsabaris and
  • Roberto Bozzano

20 August 2018

This work deals with the installation of two smart in-situ sensors (for underwater radioactivity and underwater sound monitoring) on the Western 1-Mediterranean Moored Multisensor Array (W1-M3A) ocean observing system that is equipped with all approp...

  • Article
  • Open Access
17 Citations
3,863 Views
14 Pages

Underwater Spectral Imaging System Based on Liquid Crystal Tunable Filter

  • Hong Song,
  • Syed Raza Mehdi,
  • Chaopeng Wu,
  • Zixin Li,
  • Hai Gong,
  • Amjad Ali and
  • Hui Huang

1 November 2021

In the past decade, underwater spectral imaging (USI) has shown great potential in underwater exploration for its high spectral and spatial resolution. This proposal presents a stare-type USI system combined with the liquid crystal tunable filter (LC...

  • Article
  • Open Access
2 Citations
1,715 Views
24 Pages

Integer Arithmetic Algorithm for Fundamental Frequency Identification of Oceanic Currents

  • Juan Montiel-Caminos,
  • Nieves G. Hernandez-Gonzalez,
  • Javier Sosa and
  • Juan A. Montiel-Nelson

20 July 2023

Underwater sensor networks play a crucial role in collecting valuable data to monitor offshore aquaculture infrastructures. The number of deployed devices not only impacts the bandwidth for a highly constrained communication environment, but also the...

  • Article
  • Open Access
1,168 Views
18 Pages

With the rapid advancement of ocean monitoring technology, the types and quantities of underwater sensors have increased significantly. Traditional single-sensor approaches exhibit limitations in underwater target classification, resulting in low cla...

  • Article
  • Open Access
25 Citations
3,888 Views
17 Pages

Underwater Wireless Sensor Networks: Estimation of Acoustic Channel in Shallow Water

  • Elma Zanaj,
  • Ennio Gambi,
  • Blerina Zanaj,
  • Deivis Disha and
  • Nels Kola

14 September 2020

Underwater sensor networks (UWSN) include a large number of devices and sensors which are positioned in a specific area to carry out monitoring in cooperation with each other as well as data collection. In this paper it has been studied and simulated...

  • Data Descriptor
  • Open Access
52 Citations
10,451 Views
14 Pages

CADDY Underwater Stereo-Vision Dataset for Human–Robot Interaction (HRI) in the Context of Diver Activities

  • Arturo Gomez Chavez,
  • Andrea Ranieri,
  • Davide Chiarella,
  • Enrica Zereik,
  • Anja Babić and
  • Andreas Birk

In this article, we present a novel underwater dataset collected from several field trials within the EU FP7 project “Cognitive autonomous diving buddy (CADDY)”, where an Autonomous Underwater Vehicle (AUV) was used to interact with diver...

  • Article
  • Open Access
12 Citations
5,780 Views
18 Pages

Multi-Dimensional Underwater Point Cloud Detection Based on Deep Learning

  • Chia-Ming Tsai,
  • Yi-Horng Lai,
  • Yung-Da Sun,
  • Yu-Jen Chung and
  • Jau-Woei Perng

28 January 2021

Numerous sensors can obtain images or point cloud data on land, however, the rapid attenuation of electromagnetic signals and the lack of light in water have been observed to restrict sensing functions. This study expands the utilization of two- and...

  • Article
  • Open Access
13 Citations
5,949 Views
43 Pages

14 October 2019

This paper addresses the problem of object recognition from colorless 3D point clouds in underwater environments. It presents a performance comparison of state-of-the-art global descriptors, which are readily available as open source code. The studie...

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