WSNs data acquisition by combining expected network coverage and clustered compressed sensing
Zhouzhou Liu, Yangmei Zhang, Yang Bi, Jingxuan Wang, Yuanyuan Hou, Chao Liu, Guangyi Jiang, Shan Li
TL;DR
This paper introduces a new data collection method for wireless sensor networks that reduces energy use and improves data accuracy using clustering and compression techniques.
Contribution
A novel data collection scheme combining expected network coverage and clustered compressive sensing for WSNs.
Findings
The proposed method reduces transmission overhead and energy consumption in WSNs.
Data reconstruction accuracy is improved using the sparrow search algorithm.
Network lifetime is extended while ensuring reliable data recovery.
Abstract
To tackle the challenges of extensive data transmission and high redundancy in wireless sensor networks (WSNs), this study proposes a novel data collection scheme based on expected network coverage and clustered compressive sensing (CS). First, the K-medoids clustering algorithm organizes nodes within the WSN coverage area into clusters. Combined with an optimized network coverage algorithm, a node scheduling strategy is introduced to focus on critical observation areas while minimizing overall energy consumption. Next, by analyzing the relationship between network clustering and node deployment, a weakly correlated observation matrix is designed to mitigate the impact of packet loss on data collection. Finally, the sparrow search algorithm is employed to enhance the accuracy of CS data reconstruction at the cluster head. Simulation results demonstrate that, compared to existing data…
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Taxonomy
TopicsEnergy Efficient Wireless Sensor Networks · Indoor and Outdoor Localization Technologies · Sparse and Compressive Sensing Techniques