Virtual Coordinates Based Routing in Wireless Sensor Networks
Recently, position-based routing protocols have been proposed for efficient data dissemination in sensor networks. Routing of packets is done based on the positions of nodes in the neighbor table. One node is selected as a next hop according to the applied routing strategy, e.g., distance-based strategy or direction-based strategy. This paper proposes a virtual coordinates based routing (VCR) scheme, which adopts a new criterion based on virtual coordinates converted from the absolute coordinates. The results of extensive simulation experiments show that VCR achieves an efficient trade-off between energy consumption and end-to-end delivery latency. The overall performance of VCR in terms of energy consumption and end-to-end delivery latency is better than that of both conventional distance-based and direction-based algorithms.
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Document Type: Research Article
Publication date: 01 September 2006
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