Title
Virtual gateways : enabling connectivity between MAC heterogeneous sensor networks Virtual gateways : enabling connectivity between MAC heterogeneous sensor networks
Author
Faculty/Department
Faculty of Sciences. Mathematics and Computer Science
Publication type
article
Publication
Subject
Mass communications
Computer. Automation
Source (journal)
International journal of sensor networks
Volume/pages
14(2013) :3 , p. 133-143
ISSN
1748-1279
ISI
000326932600001
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Over the years many different MAC protocols have been developed for sensor networks, each optimised for a different set of application requirements. Since these MAC protocols are not compatible with each other, there is generally no interoperability between sensor networks. This is a severe problem when connectivity between sensor networks is required. In this paper, we demonstrate the feasibility of using Virtual Gateways, sensor nodes running multiple MAC protocols simultaneously on top of a single radio interface, to enable connectivity between sensor networks. To this end we have developed MultiMAC, a network stack for TinyOS capable of running multiple MAC protocols simultaneously. We show that the architecture of the MultiMAC stack is flexible and extensible enough to support a wide variety of MAC protocols and that the overhead of this network stack is minimal. We also discuss the results of our initial experiments with a testbed on the impact of using virtual gateways.
E-info
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