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K-Hop Coverage and Connectivity Aware Clustering in Different Sensor Deployment Models for Wireless Sensor and Actuator Networks

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Abstract

In wireless sensor and actuator networks, WSAN, actuators often act as cluster headers. Since the transmission range of actuator is much larger than that of sensor, both of the coverage of actuator and the connectivity of sensor-actuator require to be considered in the clustered WSAN. However, the existing clustering algorithms in WSAN only addressed the coverage issue. None of them considered the coverage and the connectivity jointly. Thus we proposed a K-hop coverage and connectivity aware clustering (K-CCAC) in this paper. The different sensor deployment models may affect the coverage and the connectivity for clustering. Thus K-CCAC was evaluated in five sensor deployment models we proposed. Simulation results demonstrated that the coverage and the connectivity in K-CCAC could be up to 100 % with fewer actuators in each model. The hop count from leaf sensors to cluster headers could be limited to K. Moreover, the number of actuators could decrease when the ratio of the transmission radius of actuator to that of sensor or the number of sensors increased.

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Authors and Affiliations

  1. Department of Electronic Engineering, National Taipei University of Technology, Taipei, Taiwan, R.O.C.

    Yi-Chao Wu & Chiu-Ching Tuan

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  1. Yi-Chao Wu
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  2. Chiu-Ching Tuan
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Correspondence to Yi-Chao Wu.

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Wu, YC., Tuan, CC. K-Hop Coverage and Connectivity Aware Clustering in Different Sensor Deployment Models for Wireless Sensor and Actuator Networks. Wireless Pers Commun 85, 2565–2579 (2015). https://doi.org/10.1007/s11277-015-2920-2

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  • DOI: https://doi.org/10.1007/s11277-015-2920-2

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