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Secure Disjointed Multipath Routing Scheme for Multimedia Data Transmission in Wireless Sensor Networks

무선 센서 네트워크 환경에서 멀티미디어 데이터 전송을 위한 보안성 있는 비-중첩 다중 경로 라우팅 기법

  • 이상규 (충북대학교 전자정보대학 정보통신공학부) ;
  • 김동주 (충북대학교 전자정보대학 정보통신공학부) ;
  • 박준호 (충북대학교 전자정보대학 정보통신공학부) ;
  • 성동욱 (보아스전자(주)) ;
  • 유재수 (충북대학교 전자정보대학 정보통신공학부)
  • Received : 2012.02.02
  • Accepted : 2012.03.19
  • Published : 2012.04.28

Abstract

In recent years, the requirements on the high quality environment monitoring by using the sensor nodes which can handle the multimedia data in WSN have been increased. However, because the volume of multimedia data is tremendous, the limited bandwidth of a wireless channel may incur the bottleneck of a system. To solve such a problem, most of the existing distributed multi-path routing protocols based on multimedia data just focused on overcoming the limited bandwidth in order to enhance the energy efficiency and the transmission rate. However, because the existing methods can not apply a key-based technique to encrypt the multimedia data, they are very weak for the security. In this paper, we propose a secure disjointed multipath routing scheme for multimedia data transmission. Since our proposed scheme divides multimedia data(eg. image) into pixels and sends them through disjointed multipath routing, it can provide security to the whole network without using the key-based method. Our experimental results show that our proposed scheme reduces about 10% the amount of the energy consumption and about 65% the amount of the missed data packets caused by malicious nodes over the existing methods on average.

Keywords

Wireless Senser Network;Multumedia Data;Distributed Multi-path Routing;Security

Acknowledgement

Supported by : 한국연구재단

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