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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Alippi, C. Sportiello, L. |
| Copyright Year | 2009 |
| Description | Author affiliation: Dipartimento di Elettronica e Informazione, Politecnico di Milano, Milan, Italy (Alippi, C.; Sportiello, L.) |
| Abstract | In recent years many efforts have been spent on sensor networks, with a particular attention to routing, energy management, hierarchical data processing and aggregation aspects. What not generally considered is that the wireless unit can be intended as the data management node of a wired sub-network with sensorial units connected through a fieldbus. The outcome is a hybrid wireless-wired topology which shows several advantages over a simpler WSN: units connected to the bus can be powered through a common power supply unit; availability of a higher local bandwidth; accurate clock synchronization among units; energy savings at the local communication level (no wireless routing). In such a scenario, we propose a methodology to develop energy-aware fault tolerant wired communications in the context of a hybrid wireless sensor network. Nodes connected to the bus transmit sensed data to the wireless unit either through synchronous queries or in response to events, otherwise switching off themselves into a power-aware modality. |
| Starting Page | 83 |
| Ending Page | 88 |
| File Size | 873393 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424445486 |
| ISSN | 19300395 |
| DOI | 10.1109/ICSENS.2009.5398521 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-10-25 |
| Publisher Place | New Zealand |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Wireless sensor networks Routing Energy management Data processing Field buses Network topology Power supplies Bandwidth Clocks Synchronization |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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