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Optimal Route Selection Method with Satellite System for Cognitive Wireless Network in Disaster Information Network

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4 Author(s)
Noriki Uchida ; Fac. of Software & Inf. Sci., Iwate Prefectural Univ., Takizawa, Japan ; Goshi Sato ; Kazuo Takahata ; Yoshitaka Shibata

Cognitive wireless network consisted of multiple different types of wireless interface is one of efficient wireless transmission methods for Disaster Information Network, because it solves single wireless network problems like characteristics of wireless frequency or congestion form the use of same radio frequency. However, even if Disaster Information Network consisted of Cognitive Wireless Network, some of wireless node might be broken after severe disaster is happened. Therefore, it is necessary to consider about additional functions which the system never die. In this paper, we introduce Satellite System for optimal transmission control method in Cognitive Wireless Network in order to consider with severe disaster. First, as our previous study, proper wireless link and route selection is held by Extend AHP and Extend AODV with Min-Max AHP value methods for optimal transmission control in Cognitive Wireless Network. Then, check-alive function, alternate data transmission function, possible alternative route suggestion, and network reconfiguration are introduced to our proposed Disaster Information Network by using Satellite System. In the simulation, ns2 are used for the computational results to the effectiveness of the suggested transmission methods in the hybrid system of cognitive wireless and satellite network system.

Published in:

2011 IEEE International Conference on Advanced Information Networking and Applications

Date of Conference:

22-25 March 2011