UWSNUnderwater Sensor Network
UWSNUniversity of Western Sydney - Nepean
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To discover a new exploration such as pollution monitoring, disaster prevention, oceanographic data collection, remote control in the offshore oil industry, the Underwater Wireless Sensor Networks (UWSNs) is strongly inevitable, and sprang up to exploit the ocean and has been emerging in the Neoteric years [1].
In comparison to the static UWSNs, a mobile UWSN is a self-organizing network by which the sensor nodes equipped with acoustic modems may be reorganized and moved by the water current.
All localization algorithms in UWSN estimate node positions in hierarchical manner.
Chowdhury, "A novel algorithm for malicious attack detection in UWSN," in 2015 International Conference on Electrical Engineering and Information Communication Technology (ICEEICT), pp.
Hussein, "Analyzing the performance of acoustic channel in Underwater Wireless Sensor Network (UWSN)," 2010.
Each superframe is further divided into control and data periods, Multichannel MAC protocol for UWSNs since it achieves a great improvement over existing MAC protocols such as slotted FAMA and slotted PCAM.
It reduces end-to-end delay by utilizing LSNR and DDF in extreme low-depth and high-depth regions, thus providing flexibility for delay-sensitive applications in UWSN. In iAMCTD, the instability period starts from almost 9000th round, after which the transmission loss (Figure 11) remains even; however, end-to-end delay (Figure 12) decreases very slowly.
The former four fields are essential for all UWSN applications.
UWSN's architecture has been categorized into two-dimensional and three-dimensional with fixed nodes, and three-dimensional with Automatic Underwater Vehicles (AUVs) [18].
It is used to synchronize nodes in a cluster based UWSN. The MU-Sync runs two times of linear regression.
The comparison between Terrestrial Wireless Sensor Network (TWSN), Underwater Acoustic Network (UAN) and Underwater Wireless Sensor Network (UWSN) is given in section 3.