Publication 2010 Issue No. 11 - November Abstract - Efficient and Robust Schemes for Sensor Data Aggregation Based on Linear Counting
Efficient and Robust Schemes for Sensor Data Aggregation Based on Linear Counting
November 2010 (vol. 21 no. 11)
pp. 1675-1691
 ASCII Text x Yao-Chung Fan, Arbee L.P. Chen, "Efficient and Robust Schemes for Sensor Data Aggregation Based on Linear Counting," IEEE Transactions on Parallel and Distributed Systems, vol. 21, no. 11, pp. 1675-1691, November, 2010.
 BibTex x @article{ 10.1109/TPDS.2010.33,author = {Yao-Chung Fan and Arbee L.P. Chen},title = {Efficient and Robust Schemes for Sensor Data Aggregation Based on Linear Counting},journal ={IEEE Transactions on Parallel and Distributed Systems},volume = {21},number = {11},issn = {1045-9219},year = {2010},pages = {1675-1691},doi = {http://doi.ieeecomputersociety.org/10.1109/TPDS.2010.33},publisher = {IEEE Computer Society},address = {Los Alamitos, CA, USA},}
 RefWorks Procite/RefMan/Endnote x TY - JOURJO - IEEE Transactions on Parallel and Distributed SystemsTI - Efficient and Robust Schemes for Sensor Data Aggregation Based on Linear CountingIS - 11SN - 1045-9219SP1675EP1691EPD - 1675-1691A1 - Yao-Chung Fan, A1 - Arbee L.P. Chen, PY - 2010KW - Wireless sensor networksKW - query processingKW - distributed data structuresKW - reliability and robustness.VL - 21JA - IEEE Transactions on Parallel and Distributed SystemsER -
Yao-Chung Fan, National Tsing Hua University, Hsinchu
Arbee L.P. Chen, National Chengchi University, Taipei
Sensor networks have received considerable attention in recent years, and are often employed in the applications where data are difficult or expensive to collect. In these applications, in addition to individual sensor readings, statistical aggregates such as Min and Count over the readings of a group of sensor nodes are often needed. To conserve resources for sensor nodes, in-network strategies are adopted to process the aggregates. One primitive in-network aggregation strategy is the tree-based aggregation, where the aggregates are computed from leaves to the root of a spanning tree over a sensor network. However, a shortcoming with the tree-based aggregation is that it is not robust against communication failures, which are common in sensor networks. One of the solutions to overcome this shortcoming is to enable multipath routing, by which each node broadcasts its reading or a partial aggregate to multiple neighbors. However, multipath routing-based aggregation typically suffers from the problem of overcounting sensor readings. In this study, we propose two schemes based on the linear counting technique to deal with the overcounting problem. These two schemes process aggregates by statically and dynamically, respectively, allocating space for the use of the linear counting technique. Both schemes provide the same accuracy guarantee but involve different communication costs. Through extensive experiments with real-world and synthetic data, we demonstrate the efficiency and effectiveness of using these two schemes as solutions for processing aggregates in a sensor network. The experiments also show that the scheme that dynamically allocates the space often outperforms the other one in terms of energy conservation since it requires less space to satisfy an accuracy constraint.

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Index Terms:
Wireless sensor networks, query processing, distributed data structures, reliability and robustness.
Citation:
Yao-Chung Fan, Arbee L.P. Chen, "Efficient and Robust Schemes for Sensor Data Aggregation Based on Linear Counting," IEEE Transactions on Parallel and Distributed Systems, vol. 21, no. 11, pp. 1675-1691, Nov. 2010, doi:10.1109/TPDS.2010.33