Results 11 to 20 of about 4,045,439 (255)

Packet Flow Based Reinforcement Learning MAC Protocol for Underwater Acoustic Sensor Networks. [PDF]

open access: yesSensors (Basel), 2021
Medium access control (MAC) is one of the key requirements in underwater acoustic sensor networks (UASNs). For a MAC protocol to provide its basic function of efficient sharing of channel access, the highly dynamic underwater environment demands MAC ...
Alhassan IB, Mitchell PD.
europepmc   +4 more sources

Energy Harvesting Hybrid Acoustic-Optical Underwater Wireless Sensor Networks Localization [PDF]

open access: yesSensors, 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 on ...
Nasir Saeed   +3 more
doaj   +2 more sources

Connectivity on Underwater MI-Assisted Acoustic Cooperative MIMO Networks

open access: yesSensors, 2020
In traditional underwater wireless sensor networks (UWSNs), it is difficult to establish reliable communication links as the acoustic wave experiences severe multipath effect, channel fading, and ambient noise.
Qingyan Ren   +4 more
doaj   +2 more sources

DE-Sync: A Doppler-Enhanced Time Synchronization for Mobile Underwater Sensor Networks

open access: yesSensors, 2018
Time synchronization is the foundation of cooperative work among nodes of underwater sensor networks; it takes a critical role in the research and application of underwater sensor networks.
Feng Zhou   +3 more
doaj   +2 more sources

Lightweight Differentiated Transmission Based on Fuzzy and Random Modeling in Underwater Acoustic Sensor Networks. [PDF]

open access: yesSensors (Basel), 2023
Energy-efficient and reliable underwater acoustic communication attracts a lot of research due to special marine communication conditions with limited resources in underwater acoustic sensor networks (UASNs). In their final analysis, the existing studies
Cao J, Dou J, Liu J, Li H, Chen H.
europepmc   +2 more sources

DCN-MAC: A Dynamic Channel Negotiation MAC Mechanism for Underwater Acoustic Sensor Networks. [PDF]

open access: yesSensors (Basel), 2020
In the design of media access control (MAC) mechanism in underwater acoustic sensor networks (UASNs), due to the propagation characteristic of low-speed underwater acoustic signals, it is necessary to solve the spatial–temporal uncertainty problem.
Su Y, Dong L, Yang Q.
europepmc   +2 more sources

Self-Organizing and Scalable Routing Protocol (SOSRP) for Underwater Acoustic Sensor Networks. [PDF]

open access: yesSensors (Basel), 2019
Underwater Acoustic Sensor Networks (UASN) have two important limitations: a very aggressive (marine) environment, and the use of acoustic signals. This means that the techniques for terrestrial wireless sensor networks (WSN) are not applicable.
Hindu SK   +4 more
europepmc   +2 more sources

QoSRP: A Cross-layer QoS Channel-Aware Routing Protocol for the Internet of Underwater Acoustic Sensor Networks. [PDF]

open access: yesSensors (Basel), 2019
Faheem M   +7 more
europepmc   +2 more sources

Improved LEACH Protocol Based on Underwater Energy Propagation Model, Parallel Transmission, and Replication Computing for Underwater Acoustic Sensor Networks. [PDF]

open access: yesSensors (Basel)
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 underwater ...
Tian K, Zhou C, Zhang J.
europepmc   +2 more sources

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