Blockchain-Based Secure Localization against Malicious Nodes in IoT-Based Wireless Sensor Networks Using Federated Learning

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2023/8068038/figures/8068038.fig.008a.svgz" name="8068038.fig.008a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Dynamic sensor deployment</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2023/8068038/figures/8068038.fig.008b.svgz" name="8068038.fig.008b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Error positioning of unknown nodes</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2023/8068038/figures/8068038.fig.008c.svgz" name="8068038.fig.008c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Detection of wormhole nodes</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2023/8068038/figures/8068038.fig.008d.svgz" name="8068038.fig.008d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Feature extraction and tunnel detection</td></tr></table>

<div>Dynamic deployment and clustering of sensor nodes for computing unknown node positioning in IoT-based WSNs.</div>

Wireless Communications and Mobile Computing

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Figure 8

Figure 8: Blockchain-Based Secure Localization against Malicious Nodes in IoT-Based Wireless Sensor Networks Using Federated Learning 