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Trust evaluation plays an important role in securing wireless sensor networks (WSNs), which is one of the most popular network technologies for the Internet of Things (IoT). The efficiency of the trust evaluation process is largely governed by the trust derivation, as it dominates the overhead in the process, and performance of WSNs is particularly sensitive to overhead due to the limited bandwidth...
In this paper, we propose an improved gradient-based micro sensor routing protocol (GMSRP) using a node sleep scheduling mechanism, to save energy for sensor nodes, called the GMSRP-SLE. This algorithm takes into account the characteristic of most applications in WSNs, i.e.,the sensor nodes are deployed randomly with some areas covered by many sensor nodes at same time. During network initialization,...
Position information is of vital importance in the various applications in wireless sensor networks (WSNs). We analyze the features of localization methods considering both precision and energy consumption and propose the idea of hybrid localization system (HLS). HLS is composed of coarse-grained localization system (CGLS) and fine-grained localization system (FGLS). CGLS takes the wireless signal...
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