Abstract
In this paper, we propose a global positioning system-less localization method, called Hidden Access Point Estimation-based Localization (HAPEL) to pinpoint user’s current position in an underground or indoor environment, especially where access points (APs) are placed scarcely in that two or less Wi-Fi APs are within the scanning range. Conceptually, HAPEL enhances the weighted centroid localization (WCL) by exploiting hidden APs and estimating the direction of user movement. The movement direction can be estimated with digital compass, accelerometer and gyroscope, all of which are usually installed on smartphones, and the estimation result is used to choose which hidden APs participate in the WCL. We have conducted a performance evaluation study on HAPEL in comparison with WCL and fingerprint methods in an empirical test-bed. The results indicate that HAPEL improves the accuracy of the WCL significantly.
| Original language | English |
|---|---|
| Pages (from-to) | 1863-1878 |
| Number of pages | 16 |
| Journal | Wireless Personal Communications |
| Volume | 78 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2014 Oct 7 |
Fingerprint
Keywords
- Dead reckoning
- Indoor localization
- Wi-Fi based localization
ASJC Scopus subject areas
- Computer Science Applications
- Electrical and Electronic Engineering
Cite this
Exploiting User Movement Direction and Hidden Access Point for Smartphone Localization. / Yoo, Seungho; Kim, Eugene; Kim, Hwangnam.
In: Wireless Personal Communications, Vol. 78, No. 4, 07.10.2014, p. 1863-1878.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Exploiting User Movement Direction and Hidden Access Point for Smartphone Localization
AU - Yoo, Seungho
AU - Kim, Eugene
AU - Kim, Hwangnam
PY - 2014/10/7
Y1 - 2014/10/7
N2 - In this paper, we propose a global positioning system-less localization method, called Hidden Access Point Estimation-based Localization (HAPEL) to pinpoint user’s current position in an underground or indoor environment, especially where access points (APs) are placed scarcely in that two or less Wi-Fi APs are within the scanning range. Conceptually, HAPEL enhances the weighted centroid localization (WCL) by exploiting hidden APs and estimating the direction of user movement. The movement direction can be estimated with digital compass, accelerometer and gyroscope, all of which are usually installed on smartphones, and the estimation result is used to choose which hidden APs participate in the WCL. We have conducted a performance evaluation study on HAPEL in comparison with WCL and fingerprint methods in an empirical test-bed. The results indicate that HAPEL improves the accuracy of the WCL significantly.
AB - In this paper, we propose a global positioning system-less localization method, called Hidden Access Point Estimation-based Localization (HAPEL) to pinpoint user’s current position in an underground or indoor environment, especially where access points (APs) are placed scarcely in that two or less Wi-Fi APs are within the scanning range. Conceptually, HAPEL enhances the weighted centroid localization (WCL) by exploiting hidden APs and estimating the direction of user movement. The movement direction can be estimated with digital compass, accelerometer and gyroscope, all of which are usually installed on smartphones, and the estimation result is used to choose which hidden APs participate in the WCL. We have conducted a performance evaluation study on HAPEL in comparison with WCL and fingerprint methods in an empirical test-bed. The results indicate that HAPEL improves the accuracy of the WCL significantly.
KW - Dead reckoning
KW - Indoor localization
KW - Wi-Fi based localization
UR - http://www.scopus.com/inward/record.url?scp=85027943247&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85027943247&partnerID=8YFLogxK
U2 - 10.1007/s11277-014-2049-8
DO - 10.1007/s11277-014-2049-8
M3 - Article
AN - SCOPUS:85027943247
VL - 78
SP - 1863
EP - 1878
JO - Wireless Personal Communications
JF - Wireless Personal Communications
SN - 0929-6212
IS - 4
ER -