JP2017521027A - ネットワーククロック比較のシステムおよび方法 - Google Patents

ネットワーククロック比較のシステムおよび方法 Download PDF

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Publication number
JP2017521027A
JP2017521027A JP2017521029A JP2017521029A JP2017521027A JP 2017521027 A JP2017521027 A JP 2017521027A JP 2017521029 A JP2017521029 A JP 2017521029A JP 2017521029 A JP2017521029 A JP 2017521029A JP 2017521027 A JP2017521027 A JP 2017521027A
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Japan
Prior art keywords
time stamp
packet
timestamp
capture
clock
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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JP2017521029A
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English (en)
Japanese (ja)
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JP2017521027A5 (enExample
Inventor
チョ、ジェームズ・シモン
ライシニア、アリレザ
アルダナ、カルロス・ホラシオ
ファン、シャオロン
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Qualcomm Inc
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Qualcomm Inc
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Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2017521027A publication Critical patent/JP2017521027A/ja
Publication of JP2017521027A5 publication Critical patent/JP2017521027A5/ja
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0664—Clock or time synchronisation among packet nodes using timestamps unidirectional timestamps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0697—Synchronisation in a packet node

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2017521029A 2014-07-03 2015-06-30 ネットワーククロック比較のシステムおよび方法 Pending JP2017521027A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201462020925P 2014-07-03 2014-07-03
US62/020,925 2014-07-03
US14/754,343 US20160006526A1 (en) 2014-07-03 2015-06-29 Systems and methods of network clock comparison
US14/754,343 2015-06-29
PCT/US2015/038654 WO2016004099A1 (en) 2014-07-03 2015-06-30 Systems and methods of network clock comparison

Publications (2)

Publication Number Publication Date
JP2017521027A true JP2017521027A (ja) 2017-07-27
JP2017521027A5 JP2017521027A5 (enExample) 2018-07-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017521029A Pending JP2017521027A (ja) 2014-07-03 2015-06-30 ネットワーククロック比較のシステムおよび方法

Country Status (7)

Country Link
US (1) US20160006526A1 (enExample)
EP (1) EP3164955A1 (enExample)
JP (1) JP2017521027A (enExample)
KR (1) KR20170027730A (enExample)
CN (1) CN106464398B (enExample)
BR (1) BR112017000067A2 (enExample)
WO (1) WO2016004099A1 (enExample)

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US11329745B2 (en) 2019-08-22 2022-05-10 Skylo Technologies, Inc. Dynamically estimating a propagation time between a first node and a second node of a wireless network
US12069602B2 (en) 2019-08-22 2024-08-20 Skylo Technologies, Inc. Time delay estimations between wireless nodes
CA3055507A1 (en) * 2019-09-16 2021-03-16 Hermary Opto Electronics Inc. Flexible and programmable system architecture for distributed parallel command timing, execution, control and routing
US11165527B2 (en) * 2019-12-20 2021-11-02 Juniper Networks, Inc. Time synchronization for encrypted traffic in a computer network
WO2021134452A1 (en) * 2019-12-31 2021-07-08 Qualcomm Incorporated Methods and apparatus to facilitate frame per second rate switching via touch event signals
KR20230025902A (ko) * 2020-07-09 2023-02-23 마이크로칩 테크놀로지 인코포레이티드 시간-동기화된 하드웨어 컨트롤러들 및 관련 오디오 시스템들 및 회로부
CN114374459B (zh) * 2020-10-15 2025-08-22 华为技术有限公司 一种时钟同步方法以及相关装置
US12413325B2 (en) 2021-10-04 2025-09-09 Snap Inc. Synchronizing systems on a chip using time synchronization messages
US12184404B2 (en) * 2021-10-05 2024-12-31 Snap Inc. Reconciling events in multi-node systems using hardware timestamps
US11775005B2 (en) 2021-10-06 2023-10-03 Snap Inc. Synchronizing systems on a chip using a shared clock
US12021611B2 (en) 2021-10-07 2024-06-25 Snap Inc. Synchronizing systems-on-chip using GPIO timestamps
EP4311186B1 (en) * 2022-07-18 2025-12-17 EXFO Solutions SAS Mobile network synchronization domain anomaly identification and correlation
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Also Published As

Publication number Publication date
KR20170027730A (ko) 2017-03-10
US20160006526A1 (en) 2016-01-07
CN106464398B (zh) 2019-02-19
WO2016004099A1 (en) 2016-01-07
EP3164955A1 (en) 2017-05-10
CN106464398A (zh) 2017-02-22
BR112017000067A2 (pt) 2017-11-14

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