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Data Gathering by Mobile Sinks with Data-Centric Probe in Sensor Networks

Dongook SEONG, Junho PARK, Jihee LEE, Myungho YEO, Jaesoo YOO

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Summary :

Many methods have been researched to prolong the lifetime of sensor networks that use mobile technologies. In the mobile sink research, there are the track based methods and the anchor points based methods as representative operation methods for mobile sinks. However, most existing methods decrease the Quality of Service (QoS) and lead to routing hotspots in the vicinity of the mobile sinks. The main reason is that they use static mobile sink movement paths that ignore the network environment such as the query position and the data priority. In this paper, we propose a novel mobile sink operation method that solves the problems of the existing methods. In our method, the probe priority of the mobile sink is determined from data priority to increase the QoS. The mobility of sink used to reduce the routing hotspot. Experiments show that the proposed method reduces the query response time and improves the network lifetime much more than the existing methods.

Publication
IEICE TRANSACTIONS on Communications Vol.E94-B No.7 pp.2133-2136
Publication Date
2011/07/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E94.B.2133
Type of Manuscript
LETTER
Category
Network

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