Indoor Wireless Location Estimation Method with considering Wireless Synchronization and Clock Offset 


Vol. 35,  No. 10, pp. 915-921, Oct.  2010


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  Abstract

Indoor wireless positioning system uses ranging data of nodes in order to accurately estimate location. To estimate the distance between two nodes commonly uses time of arrival (TOA), time difference of arrival (TDOA) based on the arrival time, measured with local clock of each node. Therefore, it can cause clock offset among nodes, the clock offset has serious affects on ranging and positioning result. In this paper, a location estimation method is proposed to solve both clock offset and synchronization problems. To verify the performance of the proposed method, we experimented location estimation in channel model introduced by IEEE 802.15.4a Task Group and then the results show that location estimation is unaffected by clock offset.

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  Cite this article

[IEEE Style]

J. Park, Y. Choi, J. Kang, W. Lee, "Indoor Wireless Location Estimation Method with considering Wireless Synchronization and Clock Offset," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 10, pp. 915-921, 2010. DOI: .

[ACM Style]

Jae-wook Park, Yong-sung Choi, Ji-myung Kang, and Won-cheol Lee. 2010. Indoor Wireless Location Estimation Method with considering Wireless Synchronization and Clock Offset. The Journal of Korean Institute of Communications and Information Sciences, 35, 10, (2010), 915-921. DOI: .

[KICS Style]

Jae-wook Park, Yong-sung Choi, Ji-myung Kang, Won-cheol Lee, "Indoor Wireless Location Estimation Method with considering Wireless Synchronization and Clock Offset," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 10, pp. 915-921, 10. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880