نتایج جستجو برای: uwsns

تعداد نتایج: 201  

Journal: :Frontiers in Marine Science 2023

In the past few decades, cutting-edge information and communication technology has been used in several ways to keep an eye on marine environment. Underwater wireless sensor networks (UWSNs) can measure amount of water soil conditions, such as salinity, moisture, movements, predict landslides. UWSNs are made up many underwater nodes (WSNs) that spread out across thalassic These have uses, inclu...

2014
Masoumeh Alimohammadi Shahpour. Alirezaee Mahmood Ahmadi

Nowadays, underwater wireless sensor networks (UWSNs) are known as a powerful technique for aquatic applications. UWNS has long propagation delay, limited bandwidth and higher error rates in comparison with ground based networks. Moreover, a terrestrial wireless communication uses radio waves, but underwater communication relies on acoustic waves. Similar to other wireless sensor networks, desi...

2011
S. Climent

Providing reliability, scalability and energy efficiency in Underwater Wireless Sensor Networks (UWSN) is very challenging due to its special features. UWSNs usually employ acoustic channels for communications, which compared with radio-frequency channels, allow much lower bandwidths and have several orders of magnitude longer propagation delays. Some routing protocols have been proposed to add...

Advances in low-power electronics design and wireless communication have enabled the development of low cost, low power micro-sensor nodes. These sensor nodes are capable of sensing, processing and forwarding which have many applications such as underwater networks. In underwater wireless sensor networks (UWSNs) applications, sensors which are placed in underwater environments and predicted ena...

Journal: :Bulletin of Electrical Engineering and Informatics 2021

Study of computer networks and their performance parameters like delay, bandwidth utilization, throughput, latency, jittering, packet loss. have gained significant importance in the recent times. Simulation studies been preferred for these networks, which a real time is difficult task. A network consists many networking devices as gateways, routers, bridges, wireless access points hub connected...

Journal: :International Journal of Advanced Computer Science and Applications 2022

In current years, there has been an increasing attention in Underwater wireless sensor networks (UWSNs). (USNs) can be applied for many various purposes. To address the routing issue, Cuckoo Search Optimization Algorithm with Energy Efficient and QOS Aware (CSOA-EQ) based methods have proposed this chapter. Every application is important its own right, but some of them help improve sea investig...

2016
Shan-en Yu Shuai Liu Peng Jiang

Most existing deployment algorithms for event coverage in underwater wireless sensor networks (UWSNs) usually do not consider that network communication has non-uniform characteristics on three-dimensional underwater environments. Such deployment algorithms ignore that the nodes are distributed at different depths and have different probabilities for data acquisition, thereby leading to imbalan...

Journal: :JNW 2012
Mohamed K. Watfa

Wireless sensor networks have emerged as a fastgrowing technology that has enabled us to monitor physical and environmental states. As of yet these valuable sensor networks have been bound to terrestrial terrains; however, seventy percent of the Earth’s surface is covered by enormous bodies of water: oceans, seas and rivers. Most of this territory remains unchartered, and this primarily gave a ...

Journal: :Computer systems science and engineering 2023

Underwater acoustic sensor networks (UWASNs) aim to find varied offshore ocean monitoring and exploration applications. In most of these applications, the network is composed several nodes deployed at different depths in water. Sensor located depth on seafloor cannot invariably communicate with close surface level; need multi-hop communication facilitated by a suitable routing scheme. this rese...

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