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http://dx.doi.org/10.5392/JKCA.2011.11.12.078

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

Jo, Mi-Rim (충북대학교 정보통신공학과)
Seong, Dong-Ook (한국과학기술원 전산학과)
Park, Jun-Ho (충북대학교 정보통신공학과)
Yoo, Jae-Soo (충북대학교 정보통신공학과)
Publication Information
The Journal of the Korea Contents Association / v.11, no.12, 2011 , pp. 78-87 More about this Journal
Abstract
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.
Keywords
Sensor Network; Multipath routing; Multimedia Data Transmission;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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