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If network collects sensor data using mobile sinks, object tracking mechanism must consider the energy efficiency of sensor nodes in the networks as a whole. Recently research works on WSNs with mobile sinks apply prediction techniques for sink tracking in order to improve tracking precision while keeping the number of active nodes to the minimum. In this paper, we analyze existing works for sink tracking in WSN and propose P-LEACH that is cluster-based prediction technique for WSN with mobile sinks. Simulation results show that P-LEACH performs better than previous techniques in terms of energy saving of sensor nodes and data transmission performance. <\/jats:p>","DOI":"10.1155\/2014\/803656","type":"journal-article","created":{"date-parts":[[2014,9,17]],"date-time":"2014-09-17T21:11:53Z","timestamp":1410988313000},"page":"803656","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":13,"title":["P-LEACH: An Efficient Cluster-Based Technique to Track Mobile Sinks in Wireless Sensor Networks"],"prefix":"10.1177","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8741-3259","authenticated-orcid":false,"given":"Sungchol","family":"Cho","sequence":"first","affiliation":[{"name":"Department of Computer Science and Engineering, Konkuk University, Seoul 143-701, Republic of Korea"}]},{"given":"Li","family":"Han","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Engineering, Konkuk University, Seoul 143-701, Republic of Korea"}]},{"given":"Bokgyu","family":"Joo","sequence":"additional","affiliation":[{"name":"Department of Computer & Information Communication, Hongik University, Sejong Campus, Sejong 337-701, Republic of Korea"}]},{"given":"Sunyoung","family":"Han","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Engineering, Konkuk University, Seoul 143-701, Republic of Korea"}]}],"member":"179","published-online":{"date-parts":[[2014,9,16]]},"reference":[{"key":"B1-2014-803656","first-page":"1954","volume-title":"Proceedings of the Wireless Communications and Networking (WCNC '03)","volume":"3","author":"Kung H. 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