A New Simplified Clock Synchronization Algorithm for Indoor Positioning 


Vol. 32,  No. 3, pp. 237-246, Mar.  2007


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  Abstract

Clock Synchronization is one of the most basic factors to be considered when we implement an indoor synchronization network for indoor positioning. In this paper, we present a new synchronization algorithm which does not employ time stamps in order to reduce the hardware complexity and data overhead. In addition to that, we describe an algorithm that is designed to compensate the frequency drift giving an serious impact on the synchronization performance. The performance evaluation of the proposed algorithm is achieved by investigating MTIE (Maximum Time Interval Error) values through simulations. In the simulations, the frequency drift values of the practical oscillators are used. From the simulation results, it is investigated that we can achieve the synchronization performance under 10 ㎱ when we use 1 second synchronization interval with 1 ㎱ resolution and TCXOs (Tmperature Compensated Cristal Oscillators) both in the master clock and the slave clock.

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  Cite this article

[IEEE Style]

Y. Lee, S. Yang, S. Lee, C. Lee, Y. Kim, C. Seung-Soo, "A New Simplified Clock Synchronization Algorithm for Indoor Positioning," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 3, pp. 237-246, 2007. DOI: .

[ACM Style]

Young-kyu Lee, Sung-hoon Yang, Seong-woo Lee, Chang-bok Lee, Young-beom Kim, and Choi Seung-Soo. 2007. A New Simplified Clock Synchronization Algorithm for Indoor Positioning. The Journal of Korean Institute of Communications and Information Sciences, 32, 3, (2007), 237-246. DOI: .

[KICS Style]

Young-kyu Lee, Sung-hoon Yang, Seong-woo Lee, Chang-bok Lee, Young-beom Kim, Choi Seung-Soo, "A New Simplified Clock Synchronization Algorithm for Indoor Positioning," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 3, pp. 237-246, 3. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880