MX354001B - Compensación de deriva de reloj en una red de salto de canal síncrona en el tiempo. - Google Patents

Compensación de deriva de reloj en una red de salto de canal síncrona en el tiempo.

Info

Publication number
MX354001B
MX354001B MX2016010434A MX2016010434A MX354001B MX 354001 B MX354001 B MX 354001B MX 2016010434 A MX2016010434 A MX 2016010434A MX 2016010434 A MX2016010434 A MX 2016010434A MX 354001 B MX354001 B MX 354001B
Authority
MX
Mexico
Prior art keywords
node
clock
network
time
time synchronization
Prior art date
Application number
MX2016010434A
Other languages
English (en)
Other versions
MX2016010434A (es
Inventor
Hartman James
Original Assignee
Landis & Gyr Innovations Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Landis & Gyr Innovations Inc filed Critical Landis & Gyr Innovations Inc
Publication of MX2016010434A publication Critical patent/MX2016010434A/es
Publication of MX354001B publication Critical patent/MX354001B/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/0033—Correction by delay
    • H04L7/0037—Delay of clock signal
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/20—Hop count for routing purposes, e.g. TTL
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/003—Arrangements to increase tolerance to errors in transmission or reception timing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

Se revelan varias modalidades para compensar la deriva del reloj entre nodos de una red síncrona en el tiempo. Un nodo recibe información de sincronización de tiempo de un nodo padre en la red. Se determina una deriva entre un reloj del nodo y un reloj del nodo padre, en base a la información de sincronización de tiempo. El nodo identifica un número de intervalos de tiempo de la red desde la ejecución de una última sincronización de tiempo, en base a información de sincronización de tiempo previa transmitida del nodo padre. Se calcula un intervalo de compensación que representa un número de intervalos de tiempo en los cuales el reloj del nodo se desvió, con respecto al nodo padre, por un valor de compensación predefinido. El nodo compensa, por el valor de compensación, uno de los intervalos de tiempo de acuerdo con el intervalo de compensación.
MX2016010434A 2014-02-21 2015-01-27 Compensación de deriva de reloj en una red de salto de canal síncrona en el tiempo. MX354001B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201461943176P 2014-02-21 2014-02-21
PCT/US2015/013030 WO2015126577A1 (en) 2014-02-21 2015-01-27 Clock drift compensation in a time synchronous channel hopping network

Publications (2)

Publication Number Publication Date
MX2016010434A MX2016010434A (es) 2016-10-31
MX354001B true MX354001B (es) 2018-02-07

Family

ID=52469330

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016010434A MX354001B (es) 2014-02-21 2015-01-27 Compensación de deriva de reloj en una red de salto de canal síncrona en el tiempo.

Country Status (5)

Country Link
US (1) US9602270B2 (es)
JP (1) JP2017513285A (es)
CA (1) CA2937366C (es)
MX (1) MX354001B (es)
WO (1) WO2015126577A1 (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9602270B2 (en) 2014-02-21 2017-03-21 Landis+Gyr Innovations, Inc. Clock drift compensation in a time synchronous channel hopping network
WO2015127983A1 (en) * 2014-02-28 2015-09-03 Telefonaktiebolaget L M Ericsson (Publ) Clock synchronization with hysteresis state switching
US10278173B2 (en) * 2015-11-30 2019-04-30 Landis+Gyr Innovations, Inc. Selecting a parent node in a time-slotted channel hopping network
US11076370B2 (en) * 2016-06-07 2021-07-27 Texas Instruments Incorporated Node synchronization for networks
US10313041B2 (en) 2016-06-10 2019-06-04 Apple Inc. Determination of accuracy of a chain of clocks
US10404347B2 (en) * 2016-07-13 2019-09-03 Qualcomm Incorporated Beamforming in TDD MIMO systems with asymmetric antenna configuration
EP3488525B1 (en) * 2016-07-22 2023-03-15 Fundacio per a la Universitat Oberta de Catalunya (UOC) Drift correction in a wireless network
US10509434B1 (en) * 2016-09-27 2019-12-17 Amazon Technologies, Inc. Oscillator profiling for time synchronization
CN106506136B (zh) * 2016-11-24 2019-05-17 上海市计量测试技术研究院 一种基于原子钟组的网络时间传输方法与装置
US11197222B2 (en) * 2017-02-16 2021-12-07 Texas Instruments Incorporated Systems and methods to support node mobility in wireless networks
US10477500B2 (en) * 2017-03-07 2019-11-12 Itron Networked Solutions, Inc. Time distribution scheme for wireless mesh networks
IL257997B (en) 2018-03-08 2019-09-26 Connected Intelligence Systems Ltd Method and system for synchronizing a mesh network
US10536891B1 (en) * 2018-06-29 2020-01-14 Texas Instruments Incorporated Using estimated time drift to determine keep alive periodicity in synchronized networks
US11089560B2 (en) * 2019-07-15 2021-08-10 Cisco Technology, Inc. Distributed time sync in a directed acyclic graph of a time-synchronized network based on correlating timing information from higher network devices
CN111179570B (zh) * 2020-01-14 2020-11-06 上海辉电电力设备工程有限公司 一种基于hplc载波通信的低压台区采集设备时钟同步方法
CN114520703B (zh) * 2020-11-19 2023-12-29 中国科学院沈阳自动化研究所 用于工业网络设备间时间同步的时钟漂移补偿方法及电路
CN113949476B (zh) * 2021-10-08 2023-05-09 中国电子科技集团公司第三十研究所 基于安全时间质量的光纤时间同步网络组网方法与装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7072432B2 (en) 2002-07-05 2006-07-04 Meshnetworks, Inc. System and method for correcting the clock drift and maintaining the synchronization of low quality clocks in wireless networks
WO2006069067A2 (en) * 2004-12-20 2006-06-29 Sensicast Systems Method for reporting and accumulating data in a wireless communication network
US7843834B2 (en) * 2006-09-15 2010-11-30 Itron, Inc. Use of minimal propagation delay path to optimize a mesh network
US8194636B1 (en) * 2006-10-05 2012-06-05 Dust Networks, Inc. Adaptive timing synchronization for mesh networks
EP2034629A1 (en) 2007-09-05 2009-03-11 Technische Universität Kaiserlautern Method, computer program product and system for the tick synchronization of nodes in a wireless multi-hop network
US7667577B2 (en) * 2007-12-06 2010-02-23 Simplexgrinnell Lp Tuning algorithm for clock source frequency drift
US8953581B1 (en) * 2009-05-13 2015-02-10 Dust Networks, Inc. Timing synchronization for wireless networks
US9014321B2 (en) * 2011-10-31 2015-04-21 Texas Instruments Incorporated Clock drift compensation interpolator adjusting buffer read and write clocks
US9602270B2 (en) 2014-02-21 2017-03-21 Landis+Gyr Innovations, Inc. Clock drift compensation in a time synchronous channel hopping network

Also Published As

Publication number Publication date
US9602270B2 (en) 2017-03-21
WO2015126577A1 (en) 2015-08-27
MX2016010434A (es) 2016-10-31
US20150244513A1 (en) 2015-08-27
JP2017513285A (ja) 2017-05-25
CA2937366A1 (en) 2015-08-27
CA2937366C (en) 2020-07-14

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