무선 센서 네트워크에서 가상 직선 기반의 다중 경로 구성 및 관리 프로토콜 (A Multipath Construction and Management Protocol based on a Virtual Line in Wireless Sensor Networks)

서지정보

· 발행기관 : 제어·로봇·시스템학회
· 수록지 정보 : 제어.로봇.시스템학회 논문지 / 26권 / 2호 / 77 ~ 83페이지
· 저자명 : 임진혁, 방재정, 최현석, 이의신, 박수창

초록

In WSNs(Wireless Sensor Networks), emergency applications such as fire alert or intruder detection are primarily needed to accomplish reliable and real-time data delivery on a path from a source to a sink. However, WSNs may have frequent path failures due to node or link failures. Thus, addressing these path failures effectively is one of the most important issues. In particular, the multipath routing approach of using both the primary path and the alternative path was considered to be an attractive technique to address path failures. However, the approach still has two issues to be addressed for enhancing network performances. The first issue is that the approach has no handling scheme for packets on the failed primary path, which reduces the reliability of the data packet delivery. The second issue is that the approach globally constructs a new alternative path instead of the primary failure path from a source to a sink. This consumes a high level of energy in the sensor nodes. To address these issues, this paper proposes a new multipath routing protocol based on a virtual line. Our protocol can enhance delivery reliability and reduce energy consumption by using a multipath routing structure based on a virtual line. The results of simulations verified that the proposed protocol is superior to the existing protocols.

영어초록

In WSNs(Wireless Sensor Networks), emergency applications such as fire alert or intruder detection are primarily needed to accomplish reliable and real-time data delivery on a path from a source to a sink. However, WSNs may have frequent path failures due to node or link failures. Thus, addressing these path failures effectively is one of the most important issues. In particular, the multipath routing approach of using both the primary path and the alternative path was considered to be an attractive technique to address path failures. However, the approach still has two issues to be addressed for enhancing network performances. The first issue is that the approach has no handling scheme for packets on the failed primary path, which reduces the reliability of the data packet delivery. The second issue is that the approach globally constructs a new alternative path instead of the primary failure path from a source to a sink. This consumes a high level of energy in the sensor nodes. To address these issues, this paper proposes a new multipath routing protocol based on a virtual line. Our protocol can enhance delivery reliability and reduce energy consumption by using a multipath routing structure based on a virtual line. The results of simulations verified that the proposed protocol is superior to the existing protocols.

참고자료

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