TY - GEN
T1 - Adaptive data dissemination in wireless sensor networks
AU - Xu, Jian
AU - XU, Jianliang
AU - Li, Shanping
AU - Gao, Qing
AU - Peng, Gang
N1 - Funding Information:
*This work was supported in part by a FRG/04-05/I-17).
Funding Information:
grant from Hong Kong Baptist University (Grant
PY - 2004
Y1 - 2004
N2 - Recent years have witnessed growing research interest in wireless sensor networks. In the literature, three data storage strategies, i.e., local, data-centric, and index-centric, have been proposed to answer one-shot queries originated from inside the network. Through careful analysis, we show in this paper that each of the three strategies respectively achieves the best performance in a certain range of query-rate to update-rate (Q2U) ratios. We therefore propose several adaptive schemes which periodically adjust the data storage and dissemination strategy in accordance with the Q2U ratio observed in the network. Experimental results demonstrate that in dynamic environments the proposed adaptive schemes substantially outperform the three basic strategies.
AB - Recent years have witnessed growing research interest in wireless sensor networks. In the literature, three data storage strategies, i.e., local, data-centric, and index-centric, have been proposed to answer one-shot queries originated from inside the network. Through careful analysis, we show in this paper that each of the three strategies respectively achieves the best performance in a certain range of query-rate to update-rate (Q2U) ratios. We therefore propose several adaptive schemes which periodically adjust the data storage and dissemination strategy in accordance with the Q2U ratio observed in the network. Experimental results demonstrate that in dynamic environments the proposed adaptive schemes substantially outperform the three basic strategies.
UR - http://www.scopus.com/inward/record.url?scp=85029949540&partnerID=8YFLogxK
U2 - 10.1007/978-3-540-30566-8_21
DO - 10.1007/978-3-540-30566-8_21
M3 - Conference proceeding
AN - SCOPUS:35048896938
SN - 9783540241287
VL - 3358
T3 - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
SP - 156
EP - 168
BT - Parallel and Distributed Processing and Applications - 2nd International Symposium, ISPA 2004, Proceedings
A2 - Yang, Laurence T.
A2 - Guo, Minyi
A2 - Lau, Francis
A2 - Cao, Jiannong
PB - Springer Verlag
T2 - 2nd International Symposium on Parallel and Distributed Processing and Applications, ISPA 2004
Y2 - 13 December 2004 through 15 December 2004
ER -