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Virtual Coordinates Based Routing in Wireless Sensor Networks

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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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Keywords: GEOGRAPHICAL ROUTING; VIRTUAL COORDINATES; WIRELESS SENSOR NETWORK

Document Type: Research Article

Publication date: 01 September 2006

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  • The growing interest and activity in the field of sensor technologies requires a forum for rapid dissemination of important results: Sensor Letters is that forum. Sensor Letters offers scientists, engineers and medical experts timely, peer-reviewed research on sensor science and technology of the highest quality. Sensor Letters publish original rapid communications, full papers and timely state-of-the-art reviews encompassing the fundamental and applied research on sensor science and technology in all fields of science, engineering, and medicine. Highest priority will be given to short communications reporting important new scientific and technological findings.
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