NDLI: Adaptive mobility-assisted data collection in wireless sensor networks

Content Provider	IEEE Xplore Digital Library
Author	Liang He Jun Tao Jianping Pan Jingdong Xu
Copyright Year	2011
Description	Author affiliation: Southeast University, Nanjing, Jiangsu, China (Jun Tao) \|\| University of Victoria, Victoria, BC, Canada (Liang He; Jianping Pan) \|\| Nankai University, Tianjin, China (Jingdong Xu)
Abstract	Mobility-assisted data collection in wireless sensor networks offers us a new approach to reducing and balancing the energy consumption of sensor nodes, however, the resultant data collection latency may be large due to the limited travel speed. Much research effort has been made on reducing the data collection latency with the scenario of a single mobile device. A potential problem with this is its scalability, and a straightforward solution is to employ multiple mobile devices to collect data collaboratively. In this paper, the data collection with multiple heterogeneous mobile devices, in terms of the capability to conduct data collection, is investigated. Our previous work, which models the network where a mobile sink visits sensor nodes and collects data as an M/G/1 queue, is extended, and new analytical results on the response time distribution, or equivalently the distribution of the data collection latency in the network, are presented. In addition, an adaptive data collection scheme is proposed, which schedules the data collection based on the service demand to reduce the operation cost. The accuracy of our modeling and analysis, along with the performance evaluation of the proposed data collection scheme, is verified through extensive simulations.
Starting Page	1
Ending Page	6
File Size	515627
Page Count	6
File Format	PDF
ISBN	9781457710094
e-ISBN	9781457710100
e-ISBN	9781457710087
DOI	10.1109/WCSP.2011.6096716
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-09
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Analytical models Adaptation models Wireless sensor networks Mobile communication Mobile handsets Data models Mobility-assisted data collection M/G/1 queue Data collection latency Time factors Queueing analysis
Content Type	Text
Resource Type	Article

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