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Location-aware power saving mechanism based on adaptive Quorum systems for mobile Ad hoc networks

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5 Author(s)
Chao-Tsun Chang ; Hsiuping Institute of Technology, Taiwan ; Chih-Yung Chang ; Li-Ling Hung ; Chih-Yao Hsiao
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IEEE 802.11 specifies a Power Saving Mode (PSM) in order to save the energy consumptions of mobile hosts. Following the standard of PSM, a number of studies further discussed the wakeup/sleep scheduling of beacon intervals based on Quorum systems so that any communication pair of hosts has common awake intervals for data exchange. However, most of them did not take into consideration the fact that non-neighbor stations do not require to have a common wake up intervals since they are unable to communicate with each other. Hence the energy conservation and the transmission delay can be not significantly improved. This paper utilizes the location information and proposes a location-aware power saving mechanism. Experiment results reveal that the proposed scheme outperforms existing approaches in terms of energy conservation and transmission delay.

Published in:

Vehicular Electronics and Safety (ICVES), 2011 IEEE International Conference on

Date of Conference:

10-12 July 2011