TOA/TDOA Estimation Method Based on Two Way Ranging with Considering Clock Drift Effect 


Vol. 32,  No. 7, pp. 608-615, Jul.  2007


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  Abstract

Generally time of arrival (TOA) information via two way communications can be derived by accurate round trip time (RTT) between two devices. However, response time demanded in RTT measurement is long, a serious TOA error is caused by each different clock drift between two devices. In order to solve this problem, we propose the TOA and time difference of arrival (TDOA) estimation scheme with mitigating clock drift effect. To verify the performance of proposed method, we compared the proposed scheme with one way based TDOA acquisition method introduced by IEEE 802.15.4a Task Group and then we could conclude that the proposed method has better performance over other methods.

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  Cite this article

[IEEE Style]

W. Y. Park, C. U. Park, S. Choi, W. C. Lee, "TOA/TDOA Estimation Method Based on Two Way Ranging with Considering Clock Drift Effect," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 7, pp. 608-615, 2007. DOI: .

[ACM Style]

Woon Yong Park, Cheol Ung Park, Sungsoo Choi, and Won Cheol Lee. 2007. TOA/TDOA Estimation Method Based on Two Way Ranging with Considering Clock Drift Effect. The Journal of Korean Institute of Communications and Information Sciences, 32, 7, (2007), 608-615. DOI: .

[KICS Style]

Woon Yong Park, Cheol Ung Park, Sungsoo Choi, Won Cheol Lee, "TOA/TDOA Estimation Method Based on Two Way Ranging with Considering Clock Drift Effect," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 7, pp. 608-615, 7. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880