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MEMS형 관성센서 기반 휴대단말의 장착위치 인식
Phone Location Classification Based on MEMS Inertial Sensor

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Authors
신승혁; 이민수; 박찬국; 홍현수; 이재면
Issue Date
2010-11-05
Publisher
GNSS Technology Council
Citation
The 17th GNSS Workshop, 11. 4-11.5, 2010, Haevichi Hotel, Jeju
Keywords
PDRstep length estimationphone location awareness
Abstract
In this paper we present a PDR (Pedestrian Dead Reckoning) system with a phone location awareness algorithm. PDR is a device which provides position information of the pedestrian. In general, the step length is estimated using a linear combination of the walking frequency and the acceleration variance for the mobile phone. It means that the step length estimation accuracy is affected by coefficients of the walking frequency and the acceleration variance which are called step length estimation parameters. Developed PDR is assumed that it is embedded in the mobile phone. Thus, parameters can be different from each phone location such as the waist, hand, pocket and etc. It means that different parameters can degrade the accuracy of the step length estimation. Step length estimation result can be improved when appropriate parameters which are determined by phone location awareness algorithm are used. In this paper, the phone location awareness algorithm for PDR is proposed and considered phone locations are the hand without swing motion and the waist.
Language
Korean
URI
https://hdl.handle.net/10371/70834
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Others_기계항공공학부
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