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Comments on "IEEE 1588 Clock Synchronization using Dual Slave Clocks in a Slave"

Kyeong Soo Kim, Joseph Kim

IEEE Communications Letters, Pages: 1 - 2

Swansea University Author: Joseph Kim

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DOI (Published version): 10.1109/LCOMM.2014.2317738

Abstract

In the above letter, Chin and Chen proposed an IEEE 1588 clock synchronization method based on dual slave clocks, where they claim that multiple unknown parameters --- i.e., clock offset, clock skew, and master-to-slave delay --- can be estimated with only one-way time transfers using more equations...

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Published in: IEEE Communications Letters
Published: 2014
Online Access: http://arxiv.org/abs/1404.1311
URI: https://cronfa.swan.ac.uk/Record/cronfa17721
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first_indexed 2014-04-08T01:30:04Z
last_indexed 2018-02-09T04:51:37Z
id cronfa17721
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spelling 2014-06-06T19:41:26.5234327 v2 17721 2014-04-07 Comments on "IEEE 1588 Clock Synchronization using Dual Slave Clocks in a Slave" 28df2d8e401d3e36b6da4a4124049742 Joseph Kim Joseph Kim true false 2014-04-07 In the above letter, Chin and Chen proposed an IEEE 1588 clock synchronization method based on dual slave clocks, where they claim that multiple unknown parameters --- i.e., clock offset, clock skew, and master-to-slave delay --- can be estimated with only one-way time transfers using more equations than usual. This comment investigates Chin and Chen's dual clock scheme with detailed models for a master and dual slave clocks and shows that the formulation of multi-parameter estimation is invalid, which affirms that it is impossible to distinguish the effect of delay from that of clock offset at a slave even with dual slave clocks. Journal Article IEEE Communications Letters 1 2 Clock synchronization, clock offset, clock skew, path delay 30 4 2014 2014-04-30 10.1109/LCOMM.2014.2317738 http://arxiv.org/abs/1404.1311 COLLEGE NANME COLLEGE CODE Swansea University 2014-06-06T19:41:26.5234327 2014-04-07T11:17:12.4055991 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Kyeong Soo Kim 1 Joseph Kim 2
title Comments on "IEEE 1588 Clock Synchronization using Dual Slave Clocks in a Slave"
spellingShingle Comments on "IEEE 1588 Clock Synchronization using Dual Slave Clocks in a Slave"
Joseph Kim
title_short Comments on "IEEE 1588 Clock Synchronization using Dual Slave Clocks in a Slave"
title_full Comments on "IEEE 1588 Clock Synchronization using Dual Slave Clocks in a Slave"
title_fullStr Comments on "IEEE 1588 Clock Synchronization using Dual Slave Clocks in a Slave"
title_full_unstemmed Comments on "IEEE 1588 Clock Synchronization using Dual Slave Clocks in a Slave"
title_sort Comments on "IEEE 1588 Clock Synchronization using Dual Slave Clocks in a Slave"
author_id_str_mv 28df2d8e401d3e36b6da4a4124049742
author_id_fullname_str_mv 28df2d8e401d3e36b6da4a4124049742_***_Joseph Kim
author Joseph Kim
author2 Kyeong Soo Kim
Joseph Kim
format Journal article
container_title IEEE Communications Letters
container_start_page 1
publishDate 2014
institution Swansea University
doi_str_mv 10.1109/LCOMM.2014.2317738
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
url http://arxiv.org/abs/1404.1311
document_store_str 0
active_str 0
description In the above letter, Chin and Chen proposed an IEEE 1588 clock synchronization method based on dual slave clocks, where they claim that multiple unknown parameters --- i.e., clock offset, clock skew, and master-to-slave delay --- can be estimated with only one-way time transfers using more equations than usual. This comment investigates Chin and Chen's dual clock scheme with detailed models for a master and dual slave clocks and shows that the formulation of multi-parameter estimation is invalid, which affirms that it is impossible to distinguish the effect of delay from that of clock offset at a slave even with dual slave clocks.
published_date 2014-04-30T03:20:34Z
_version_ 1763750585603981312
score 11.016235

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