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A Distributed Dynamic Channel Assignment and Routing Framework for Cognitive Sensor Systems

Celimuge WU, Satoshi OHZAHATA, Yusheng JI, Toshihiko KATO

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Summary :

With the increase of the number of wireless sensing or metering devices, the collection of sensing data using wireless communication becomes an important part of a smart grid system. Cognitive radio technology can be used to facilitate the deployment of smart grid systems. In this paper, we propose a data collection and dissemination framework for cognitive radio smart grid systems to fully utilize wireless resources while maintaining a reliably connected and efficient topology for each channel. In the proposed framework, each sensor node selects a channel considering the primary user (PU) channel utilization and network connectivity. In this way, the data collection and dissemination can be performed with a high reliability and short delay while avoiding a harmful effect on primary users. We use computer simulations to evaluate the proposed framework.

Publication
IEICE TRANSACTIONS on Information Vol.E97-D No.10 pp.2613-2622
Publication Date
2014/10/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.2013THP0012
Type of Manuscript
Special Section PAPER (Special Section on Frontiers of Internet of Things)
Category

Authors

Celimuge WU
  Graduate School of Information Systems, The University of Electro-Communications
Satoshi OHZAHATA
  Graduate School of Information Systems, The University of Electro-Communications
Yusheng JI
  National Institute of Informatics
Toshihiko KATO
  Graduate School of Information Systems, The University of Electro-Communications

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