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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Soochang Park Euisin Lee Fucai Yu Min-Sook Jin Sang-Ha Kim |
| Copyright Year | 2009 |
| Description | Author affiliation: Department of Computer Engineering, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon, 305 764, Republic of Korea (Soochang Park; Euisin Lee; Fucai Yu; Min-Sook Jin; Sang-Ha Kim) |
| Abstract | In wireless sensor networks, groups of mobile users interested in equivalent information could be classified into two categories according to existence of direct communication channel among the users: 1) loosely coupled user group and 2) tightly coupled user group. The loosely coupled group means that a mobile user should communicate with others via a wireless sensor network for querying, gathering, and sharing of information interested from the group. Several information communication mechanisms have already been proposed to support mobility of the loosely coupled user groups. However, the mechanisms may not suit in case of sensor applications with multiple data sources since those are usually construct a network structure per each source. Namely, according to the mechanisms, too many network structures for the many data sources could be constructed and it may causes excessive computing overhead and energy exhaustion of sensors. Therefore, we propose an information communication mechanism to support mobility of loosely coupled mobile users in sensor applications with multiple sources. First, we examine the problems for mobility support of the loosely coupled groups in wireless sensor networks with multiple source nodes, and then study the dynamic sink communication model for data gathering from multiple sources and data delivery to a mobile user. Finally, we present an energyefficient solution to support mobility of loosely coupled groups based on data gathering tree establishment via distributed manner and tree-based data multicasting. |
| Starting Page | 1 |
| Ending Page | 6 |
| File Size | 1233713 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424443277 |
| DOI | 10.1109/ISADS.2009.5207342 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-03-23 |
| Publisher Place | Greece |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Mobile communication Wireless sensor networks Temperature sensors Mobile computing Computer networks Costs Energy efficiency Aggregates Communication channels Temperature measurement multicast component Loosely coupled user groups group mobility communication model |
| Content Type | Text |
| Resource Type | Article |
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