A Distance Estimation Scheme Based on WLAN RF Properties for Localization of Mobile Terminals 


Vol. 39,  No. 7, pp. 449-458, Jul.  2014


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  Abstract

In the context-aware services, localization is an important technical element. Due to the easy to use and low cost, it was widely enabled with RF properties such as RSSI. However, RSSI is known to be not appropriated for indoor localization, because it tends to show big variance in time and is greatly effected with the multipath. This paper proposes a distance estimation process and its constituted methods for indoor localization, by making use of the other WLAN’s RF property, CSI(Channel State Information). Firstly we define a comprehensive localization process, and suggest a calibration algorithm of environment factors in the path loss propagation model. Then, by implementing them with a commercial WLAN module, an the proposed process and methods are evaluated in terms of usefulness.

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  Cite this article

[IEEE Style]

J. Yang, G. An, S. Kim, B. Chung, T. Kim, K. Pyun, G. Cho, "A Distance Estimation Scheme Based on WLAN RF Properties for Localization of Mobile Terminals," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 7, pp. 449-458, 2014. DOI: .

[ACM Style]

Jeong-woo Yang, Gae-il An, Shin-hyo Kim, Byung-ho Chung, Tae-yeon Kim, Ki-hyun Pyun, and Gi-hwan Cho. 2014. A Distance Estimation Scheme Based on WLAN RF Properties for Localization of Mobile Terminals. The Journal of Korean Institute of Communications and Information Sciences, 39, 7, (2014), 449-458. DOI: .

[KICS Style]

Jeong-woo Yang, Gae-il An, Shin-hyo Kim, Byung-ho Chung, Tae-yeon Kim, Ki-hyun Pyun, Gi-hwan Cho, "A Distance Estimation Scheme Based on WLAN RF Properties for Localization of Mobile Terminals," The Journal of Korean Institute of Communications and Information Sciences, vol. 39, no. 7, pp. 449-458, 7. 2014.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880