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A Gossip-Enabled Spatial Index for Moving Object Management over Wireless Sensor Networks

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3 Author(s)
Chao-Chun Chen ; Dept. of Comp. Sci. & Info. Engr., Southern Taiwan Univ. ; Chiang Lee ; Yen-Liang Liu

More and more users or applications showed high interest in obtaining moving object locations from a wireless sensor network. However, a moving object usually updates its location very frequently, and thus, a great number of messages for updating the locations in the wireless sensor networks are incurred. In this paper, we propose an index structure, called the gossip-enabled spatial index tree (GSI-tree), to support efficient communication for location updates. Our idea is to utilize the gossip property of the sensor communication to let the neighboring paths of the GSI-tree share the transmitted message. In this way, the nodes managing a past location can deregister the object location independently by hearing the registration messages from the neighboring nodes.

Published in:

Mobile Ad-hoc and Sensor Networks, 2008. MSN 2008. The 4th International Conference on

Date of Conference:

10-12 Dec. 2008