Interoperability in Wireless Sensor Networks Based on IEEE 1451 Standard

Interoperability in Wireless Sensor Networks Based on IEEE 1451 Standard

Jorge Higuera (Universitat Politècnica de Catalunya (UPC), Spain) and Jose Polo (Universitat Politècnica de Catalunya (UPC), Spain)
DOI: 10.4018/978-1-4666-0101-7.ch004
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The syntactic and semantic interoperability is a challenge of the Wireless Sensor Networks (WSN) with smart sensors in pervasive computing environments to increase their harmonization in a wide variety of applications. This chapter contains a detailed description of interoperability in heterogeneous WSN using the IEEE 1451 standard. This work focuses on personal area networks (PAN) with smart sensors and actuators. Also, technical, syntactic, and semantic levels of interoperability based on IEEE 1451 standardization are established with common control commands. In this architecture, each node includes a Transducer Electronic Datasheets (TEDS) and intelligent functions. The authors explore different options to apply the IEEE 1451 standard using SOAP or REST Web service style in order to test a common syntactical interoperability that could be predominant in future WSNs.
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The broad diversity of WSN hardware systems (Beutel, 2010) and the increase of different data formats raise the complexity in metadata representation for interoperable WSN. In effect, to share data information across heterogeneous network deployments requires an effective common model to represent the messages based on standardized rules. To address these problems, recent efforts are concentrated in standardized wireless physical interfaces (Gutierrez, Callaway & Barrett, 2003) to communicate and to process the information effectively allowing syntactic and semantic rules to exchange and to access metadata with accuracy and assurance.

Different initiatives toward interoperable sensor networks have been proposed in the past, for example, based on the Open Geospatial Consortium (OGC) standards to enable WSN for exchange and re-use the information in Service oriented architectures (SOA) as in (Klopfer, 2005), to provide an unified formal model and framework for sensor networks as in (Gracanin, Eltoweissy, Wadaa & DaSilva, 2005), or using metadata elements and context rules to improve the network interoperability (Ballari, Wachowicz & Callejo, 2009). These proposals take in account a standardized Physical (PHY) and Medium Access Layer (MAC) related with low rate Personal Area Networks (IEEE Std. 802.15.4, 2006). Likewise, in the higher layers, as in application layer, sensor network schemes focus on a conceptual structures to describe and exchange ordered data information, using reusable syntactic metadata by including standard languages and meta-languages as XML (Bray, Paoli, Sperberg-McQueen, Maler & Yergeau, 2008) by enabling the exchange of structured information between different platforms, allowing compatibility to share information in a safe, easy and reliable arrangement.

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