期刊
AD HOC NETWORKS
卷 11, 期 1, 页码 596-610出版社
ELSEVIER
DOI: 10.1016/j.adhoc.2012.08.007
关键词
Querying; Tracking; Wireless sensor networks
资金
- Division Of Computer and Network Systems
- Direct For Computer & Info Scie & Enginr [0747209] Funding Source: National Science Foundation
In wireless sensor networks, querying services purpose to detect static events while tracking services continuously monitor mobile events. This paper surveys and discusses in-network querying and tracking services for static and mobile networks. Querying and tracking services are categorized by tree-based, hierarchical cluster-based, geometrical and hash-based. Mobility effects of network units and several design metrics including energy-efficiency, distance-sensitivity, scalability and fault-tolerance are also discussed. The paper includes open research issues for querying and tracking services in various domains. (C) 2012 Elsevier B.V. All rights reserved.
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