A radio-aware routing algorithm for reliable directed diffusion in lossy Wireless Sensor Networks

Yong Pyo Kim, Euihyun Jung*, Yong Jin Park


研究成果: Article査読

7 被引用数 (Scopus)


In Wireless Sensor Networks (WSNs), transmission errors occur frequently due to node failure, battery discharge, contention or interference by objects. Although Directed Diffusion has been considered as a prominent data-centric routing algorithm, it has some weaknesses due to unexpected network errors. In order to address these problems, we proposed a radio-aware routing algorithm to improve the reliability of Directed Diffusion in lossy WSNs. The proposed algorithm is aware of the network status based on the radio information from MAC and PHY layers using a cross-layer design. The cross-layer design can be used to get detailed information about current status of wireless network such as a link quality or transmission errors of communication links. The radio information indicating variant network conditions and link quality was used to determine an alternative route that provides reliable data transmission under lossy WSNs. According to the simulation result, the radio-aware reliable routing algorithm showed better performance in both grid and random topologies with various error rates. The proposed solution suggested the possibility of providing a reliable transmission method for QoS requests in lossy WSNs based on the radio-awareness. The energy and mobility issues will be addressed in the future work.

出版ステータスPublished - 2009 10月

ASJC Scopus subject areas

  • 電子工学および電気工学
  • 原子分子物理学および光学
  • 分析化学
  • 生化学


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