Disjointed Multipath Routing for Real-time Multimedia Data Transmission in Wireless Sensor Networks

무선 센서 네트워크 환경에서 실시간 멀티미디어 데이터 전송을 위한 비-중첩 다중 경로 라우팅

  • 조미림 (충북대학교 정보통신공학과) ;
  • 성동욱 (한국과학기술원 전산학과) ;
  • 박준호 (충북대학교 정보통신공학과) ;
  • 유재수 (충북대학교 정보통신공학과)
  • Received : 2011.10.17
  • Accepted : 2011.11.10
  • Published : 2011.12.28


A variety of intelligent application using the sensor network system is being studied. In general, the sensor network consists of nodes which equipped with a variety of sensing module and is utilized to collect environment information. Recently, the demands of multimedia data are increasing due to the demands of more detailed environmental monitoring or high-quality data. In this paper, we overcome the limitations of low bandwidth in Zigbee-based sensor networks and propose a routing algorithm for real-time multimedia data transmission. In the previously proposed algorithm for multimedia data transmission occurs delay time of routing setup phase and has a low data transmission speed due to bandwidth limitations of Zigbee. In this paper, we propose the hybrid routing algorithm that consist of Zigbee and Bluetooth and solve the bandwidth problem of existing algorithm. We also propose the disjointed multipath setup algorithm based on competition that overcome delay time of routing setup phase in existing algorithm. To evaluate the superiority of the proposed algorithm, we compare it with the existing algorithm. Our experimental results show that the latency was reduced by approximately 78% and the communication speed is increased by approximately 6.9-fold.


Sensor Network;Multipath routing;Multimedia Data Transmission


Supported by : 한국연구재단


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