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An Indoor Positioning Algorithm Based on 3 Points Near Field Angle-of-Arrival Estimation without Side Information  

Kim, Yeong-Moon (건국대학교 전자정보통신공학부)
Yoo, Seung-Soo (건국대학교 전자정보통신공학부)
Kim, Sun-Yong (건국대학교 전자정보통신공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.35, no.11C, 2010 , pp. 957-964 More about this Journal
Abstract
In this paper, we propose an indoor positioning algorithm based on 3 points near field angle-of-arrival estimation without side information. The conventional angle-of-arrival based positioning scheme requires the distance between the listener and the center of two points which is obtained by a received signal strength based range estimation. However, a received signal strength is affected by structure of room, placement of furniture, and characteristic of signal, these effects cause a large error to estimation of angle. In this paper, the proposed positioning scheme based on near field angle-of-arrival estimation can be used to estimate the position of listener without a prior distance information, just using time-difference-of-arrival information given from 3 points microphones. The performance of the proposed scheme is shown by cumulative distribution function of root mean squared error.
Keywords
3 Points Near Field Angle-of-Arrival Estimation; Indoor Positioning; Acoustic Signal Based Localization; Received Signal Strength; Cumulative Distribution Function;
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Times Cited By KSCI : 1  (Citation Analysis)
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