User-centric radio power control for opportunistic mountain hiking networks

Authors:
Jyh-How Huang;Po-Yen Lin;Yu-Te Huang;Seng-Yong Lau;Ling-Jyh Chen;Kun-chan Lan;Hao-hua Chu;Polly Huang
Affiliations:
National Taiwan University, Taiwan;National Taiwan University, Taiwan;Academia Sinica, Taiwan;National Taiwan University, Taiwan;Academia Sinica, Taiwan;National Cheng Kung University, Taiwan;National Taiwan University, Taiwan;National Taiwan University, Taiwan
Venue:
Proceedings of the 9th ACM/IEEE International Conference on Information Processing in Sensor Networks
Year:
2010

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Abstract

Saving DTNs' battery power to prolong the system life time has been an important research topic which scientists try to optimize. Most researches fall into two categories - Time Division Multiple Access based ones, and Low Power Listening ones by turning the listener's radio on/off intermittenly with long sending preambles. In this paper we propose solving the problem from a whole new angle - by using the motes' physical behavior, which is detectable by relatively energy-cheap accelerometer, as the judgment for turning the radio on/off. This scheme can be used in combination with any energy efficient DTN MAC protocols. We evaluate the protocol by running simulations with real hikers' traces and the result is shown in the evaluation section.