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The Scientific World Journal - Volume 2014 2014, Article ID 725210, 6 pages -

Research Article

Key Laboratory for Embedded and Netowork Computing of Hunan Province, Hunan University, Changsha, Hunan 410082, China

Yunnan Electric Power Design Institute, Kunming, Yunnan 650051, China

Received 5 November 2013; Accepted 11 December 2013; Published 9 April 2014

Academic Editors: W. Sun, G. Zhang, and J. Zhou

Copyright © 2014 Fanzi Zeng et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Considering the limited resources and the dynamic spectrum distribution in the cognitive radio sensor networks CRSN, a half-duplex Multichannel broadcast protocol for CRSN is presented based on the home channel. This protocol maintains the networks topology only through the home channel, so there is no need for the public channel to transmit the control information and no need for the synchronization. After network initialization, node broadcasts data via home channel in half-duplex transmission way. The simulation results show that, compared with complete broadcast, the proposed protocol effectively reduces broadcast delay and overhead.

Autor: Fanzi Zeng, Yuting Tang, and Jianjie Pu



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