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Efficient collection of sensor data in remote fields using mobile collectors

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4 Author(s)
Y. Tirta ; Dept. of Comput. Sci., Purdue Univ., West Lafayette, IN, USA ; Zhiyuan Li ; Yung-Hsiang Lu ; S. Bagchi

This paper proposes using a mobile collector, such as an airplane or a vehicle, to collect sensor data from remote fields. We present three different schedules for the collector: round-robin, rate-based, and min movement. The data are not immediately transmitted to the base station after being sensed but buffered at a cluster head; hence, it is important to ensure the latency is within an acceptable range. We compare the latency and the energy expended of the three schedules. We use the ns-2 network simulator to study the scenarios and illustrate conditions under which rate-based outperforms round-robin in latency, and vice-versa. The benefit of min movement is in minimizing the energy expended

Published in:

Computer Communications and Networks, 2004. ICCCN 2004. Proceedings. 13th International Conference on

Date of Conference:

11-13 Oct. 2004