Vol 7, No 1 (2016) > Electrical, Electronics and Computer Engineering >

Exploring Significant Motion Sensor for Energy-efficient Continuous Motion and Location Sampling in Mobile Sensing Application

Muhammad Fiqri Muthohar, I Gde Dharma Nugraha, Deokjai Choi


Abstract: The significant motion
sensor is a new sensor that promises motion detection at low power consumption.
Despite that promise, no known research has explored the usage of this sensor,
especially in mobile sensing research. In this study, we explore the
utilization of this significant motion sensor for continuous motion and
location sampling in a mobile sensing application. A location sensor is known
for its expensive power consumption in retrieving the location data, and
continuously sampling from it will quickly deplete a smartphone battery. We
experiment with two sampling strategies that utilize this significant motion
sensor to achieve low power consumption during continuous sampling. One
strategy involves utilizing the sensor naively, while the other involves
combining with the duty cycle. Both strategies achieve low energy consumption,
but the one that combines with the duty cycle achieves lower energy
consumption. By utilizing this sensor, mobile sensing research especially that
samples data from location or motion sensors, will be able to achieve lower
energy consumption.
Keywords: Adaptive sampling; Mobile sensing; Significant motion sensor; Smartphone sensor

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