NDLI: Mobility Support for Users in Wireless Sensor Networks

Content Provider	IEEE Xplore Digital Library
Author	Sang-Sik Kim Ae-Soon Park
Copyright Year	2007
Description	Author affiliation: Electron. & Telecommun. Res. Inst., Daejeon (Sang-Sik Kim; Ae-Soon Park)
Abstract	Wireless sensor networks generally have three objects: sensors generating data, sinks gathering the data, and users that send queries and receive data via the sinks. In addition, the user and the sinks are mostly connected to each other by infrastructure networks. The users, however, should receive the data from the sinks through multi-hop communications between disseminated sensor nodes if such users move into the sensor networks without infrastructure networks. To support mobile users in wireless sensor network, previous work has studied various user mobility models. Nevertheless, such approaches are not compatible with the existing data-centric routing algorithms, and it is difficult for the mobile users to efficiently gather data from sensors due to their mobility. To improve the shortcomings, we propose a view of mobility for wireless sensor networks and propose a model to support a user mobility that is independent of sinks. The model is flexible regarding the number of sinks. Furthermore, it considers a situation in which there is no sink and user. The proposed model, finally, is evaluated by simulation of delivery ratio, latency, and network lifetime
Starting Page	123
Ending Page	128
File Size	729144
Page Count	6
File Format	PDF
ISBN	076952804X
DOI	10.1109/ISADS.2007.51
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-03-21
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Mobile communication Global Positioning System Sensor systems Costs Spread spectrum communication Internet Satellites IP networks Control systems
Content Type	Text
Resource Type	Article

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