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First, we explain the network architecture. To perform node localization within large-scale UWSNs, we introduce a hierarchical network structure, as seen in the figure. The network architecture contains three node types as follows: (1) Surface buoys that are located on the ocean surface and achieve precise location data through GPS systems. (2) Anchor nodes are high-energy devices that communicate directly with buoy nodes to determine their positions. They move in concurrence with the water current. (3) Ordinary Sensor nodes: similar to anchor nodes, these ordinary nodes inertly drift with the water current. They are unable to connect with buoys directly and are not all within the coverage of anchor nodes. |
IEEE/ICACT20240426 Slide.09
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