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IEEE/ICACT20210244 Question.4 Questioner: jmr77@mju.ac.kr 2021-02-09 오후 6:32:58	IEEE/ICACT20210244 Answer.4 Answer by Auhor kzyano@atr.jp 2021-02-09 오후 6:32:58
From the experimental results, the proposed algorithm shows the good sync performance in terms of the RMSE's metric. I would like to know the comparison with other research results and the possibility of extending the proposed method to other communication standards.	Currently, we have not made performance comparison to other existing method. So, we need to do it to verify the advantage our proposed method. There are some fine clock synchronization protocol such as PTP (Precision Time Protocol) better than NTP. PTP can achieve realtime clock synchronization, but clock error still remains if network is congested (expecially over wireless networks). So, we hope our proposal have some advantage. Basically, our proposed timestamp synchronization method can apply to any communication standard. However, as shown in our presentation, the RMSE performance after synchronization highly relies on the jitter performance of the original timestamp obtained at each node. So, our proposal is suitable for IEEE 802.11 wireless LAN that provides TSF timestamp with a quite small jitter.

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