test
server time: root: http://itiis.org
current_path: /journals/tiis/digital-library/21183
current_url: http://itiis.org/journals/tiis/digital-library/21183
Data Sorting-based Adaptive Spatial Compression in Wireless Sensor Networks
  • KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

Data Sorting-based Adaptive Spatial Compression in Wireless Sensor Networks


Abstract

Wireless sensor networks (WSNs) provide a promising approach to monitor the physical environments, to prolong the network lifetime by exploiting the mutual correlation among sensor readings has become a research focus. In this paper, we design a hierarchical network framework which guarantees layered-compression. Meanwhile, a data sorting-based adaptive spatial compression scheme (DS-ASCS) is proposed to explore the spatial correlation among signals. The proposed scheme reduces the amount of data transmissions and alleviates the network congestion. It also obtains high compression performance by sorting original sensor readings and selectively discarding the small coefficients in transformed matrix. Moreover, the compression ratio of this scheme varies according to the correlation among signals and the value of adaptive threshold, so the proposed scheme is adaptive to various deploying environments. Finally, the simulation results show that the energy of sorted data is more concentrated than the unsorted data, and the proposed scheme achieves higher reconstruction precision and compression ratio as compared with other spatial compression schemes.


Statistics

Show / Hide Statistics

Statistics (Cumulative Counts from December 1st, 2015)
Multiple requests among the same browser session are counted as one view.
If you mouse over a chart, the values of data points will be shown.


Cite this article

[IEEE Style]
S. Chen, J. Liu, K. Wang, Z. Sun and X. Zhao, "Data Sorting-based Adaptive Spatial Compression in Wireless Sensor Networks," KSII Transactions on Internet and Information Systems, vol. 10, no. 8, pp. 3641-3655, 2016. DOI: 10.3837/tiis.2016.08.012.

[ACM Style]
Siguang Chen, Jincheng Liu, Kun Wang, Zhixin Sun, and Xuejian Zhao. 2016. Data Sorting-based Adaptive Spatial Compression in Wireless Sensor Networks. KSII Transactions on Internet and Information Systems, 10, 8, (2016), 3641-3655. DOI: 10.3837/tiis.2016.08.012.