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Communication Strategy to Reflect Group Mobility Issue of Mobile Sinks in Wireless Sensor Networks
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- Authors
- Sungkee Noh, Soochang Park, Euisin Lee, Sang-Ha Kim
- Issue Date
- 2011-05
- Citation
- Vehicular Technology Conference (VTC) 2011 (Spring), pp.1-5
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In wireless sensor networks, many studies on data dissemination to individual mobile sinks traditionally rely on a strategy that consists of a virtual infrastructure to serve current location of the mobile sinks and a per-sink foot-print chaining mechanism to support local mobility after location update. To adapt the strategy for supporting mobile sink groups, it might be simply considered to exploit a representative per a mobile sink group in order to representatively register location of the mobile sink group and representatively make the foot-print chain of the sink group. However, the representative manner may lead to considerable problems with respect to efficiency and robustness of data dissemination: inefficient data collection problem, needless location update problem, and relay path loss problem. These problems could be caused from dependency between the group and the representative, i.e. a member sink. Therefore, we propose a novel strategy for data dissemination decoupled with any member sink of a mobile sink group. In order to independently deal with a mobile sink group, the novel strategy is composed of three major mechanisms: 1) representative location update, 2) distributed data collection, and 3) per-group foot-print chaining. © 2011 IEEE.
- KSP Keywords
- Communication Strategy, Data Collection, Data Dissemination, Location update, Path loss, Wireless sensor networks(WSNs), distributed data, group mobility, mobile sink groups, virtual infrastructure