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Low Power, Low Delay: Opportunistic Routing meets Duty Cycling
Number of Authors: 4
2012 (English)Conference paper (Refereed)
Abstract [en]

Traditionally, routing in wireless sensor networks consists of two steps: First, the routing protocol selects a next hop, and, second, the MAC protocol waits for the intended destination to wake up and receive the data. This design makes it difficult to adapt to link dynamics and introduces delays while waiting for the next hop to wake up. In this paper we introduce ORW, a practical opportunistic routing scheme for wireless sensor networks. In a dutycycled setting, packets are addressed to sets of potential receivers and forwarded by the neighbor that wakes up first and successfully receives the packet. This reduces delay and energy consumption by utilizing all neighbors as potential forwarders. Furthermore, this increases resilience to wireless link dynamics by exploiting spatial diversity. Our results show that ORW reduces radio duty-cycles on average by 50% (up to 90% on individual nodes) and delays by 30% to 90% when compared to the state of the art.

Place, publisher, year, edition, pages
2012, 10.
National Category
Computer and Information Science
URN: urn:nbn:se:ri:diva-16262OAI: diva2:1038286
The 11th ACM/IEEE Conference on Information Processing in Sensor Networks
Available from: 2016-10-18 Created: 2016-10-18

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Landsiedel, OlafDuquennoy, SimonJohansson, Mikael
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