NDLI: Multi-channel routing algorithm for cluster-tree wireless sensor networks in aerospace applications

Content Provider	IEEE Xplore Digital Library
Author	Barcelo, M. Vicario, J.L. Seco-Granados, G. Puig, J.M. Laborda, J.M.
Copyright Year	2011
Description	Author affiliation: SPCOMNAV group, Universitat Autonoma de Barcelona, Bellaterra, Barcelona (Spain) (Barcelo, M.; Vicario, J.L.; Seco-Granados, G.) \|\| Electrical and Electronics Department (E&E), Applus+ LGAI, Bellaterra, Barcelona (Spain) (Puig, J.M.; Laborda, J.M.)
Abstract	Wireless sensor networks can effectively reduce complexity, weight, and costs of aerospace on-board communication systems. However, it is necessary to optimize these networks in order to extend their autonomous lifetime. The use of a multihop communication strategy in a cluster-tree network is a useful mechanism to reduce the energy per packet In this paper, a distributed method based on joint channel and delay allocation is proposed to reduce the collision probability in this kind of networks. It allows us to increase the spectral efficiency of the network using many channels simultaneously. Furthermore, it coordinates the nodes to avoid beacon collisions, which is one of the main issues in this topology when the beacon enabled mode of IEEE 802.15.4 is used. This distributed strategy not only reduces the installation costs of networks with manually allocated resources, but also outperforms their performance since it adapts, both the packet routing and the resource allocation according to the channel conditions.
Starting Page	1
Ending Page	4
File Size	949154
Page Count	4
File Format	PDF
ISBN	9781457709715
e-ISBN	9781457709722
DOI	10.1109/FBW.2011.5965566
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-14
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Wireless sensor networks Search problems Communication cables Joints Delay Guidelines
Content Type	Text
Resource Type	Article

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