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GB2512605B - Method and apparatus for synchronisation of network nodes - Google Patents

Method and apparatus for synchronisation of network nodes

Info

Publication number
GB2512605B
GB2512605B GB1305981.1A GB201305981A GB2512605B GB 2512605 B GB2512605 B GB 2512605B GB 201305981 A GB201305981 A GB 201305981A GB 2512605 B GB2512605 B GB 2512605B
Authority
GB
United Kingdom
Prior art keywords
synchronisation
network nodes
nodes
network
Prior art date
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.)
Expired - Fee Related
Application number
GB1305981.1A
Other versions
GB201305981D0 (en
GB2512605A (en
Inventor
Pascal Viger
Patrice Nezou
Romain Guignard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to GB1305981.1A priority Critical patent/GB2512605B/en
Publication of GB201305981D0 publication Critical patent/GB201305981D0/en
Publication of GB2512605A publication Critical patent/GB2512605A/en
Application granted granted Critical
Publication of GB2512605B publication Critical patent/GB2512605B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/04—Scheduled access
    • 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
    • H04J3/0688—Change of the master or reference, e.g. take-over or failure of the master
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/407—Bus networks with decentralised control
    • H04L12/413—Bus networks with decentralised control with random access, e.g. carrier-sense multiple-access with collision detection [CSMA-CD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • 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
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • H04W74/0891—Non-scheduled access, e.g. ALOHA using a dedicated channel for access for synchronized access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB1305981.1A 2013-04-03 2013-04-03 Method and apparatus for synchronisation of network nodes Expired - Fee Related GB2512605B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1305981.1A GB2512605B (en) 2013-04-03 2013-04-03 Method and apparatus for synchronisation of network nodes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1305981.1A GB2512605B (en) 2013-04-03 2013-04-03 Method and apparatus for synchronisation of network nodes

Publications (3)

Publication Number Publication Date
GB201305981D0 GB201305981D0 (en) 2013-05-15
GB2512605A GB2512605A (en) 2014-10-08
GB2512605B true GB2512605B (en) 2015-07-29

Family

ID=48445172

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1305981.1A Expired - Fee Related GB2512605B (en) 2013-04-03 2013-04-03 Method and apparatus for synchronisation of network nodes

Country Status (1)

Country Link
GB (1) GB2512605B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0991216A2 (en) * 1998-09-29 2000-04-05 Hewlett-Packard Company Organization of time synchronization in a distributed system
US20090290511A1 (en) * 2008-05-23 2009-11-26 Honeywell International Inc. System and method for merging clusters of wireless nodes in a wireless network
EP2375834A2 (en) * 2010-04-08 2011-10-12 ITT Manufacturing Enterprises, Inc. Maintaining time of day synchronization
GB2490963A (en) * 2011-05-20 2012-11-21 Canon Kk Terminals in CSMA-CA group share seeds for pseudo-random back-off generation and maintain table of all group members' waiting times

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0991216A2 (en) * 1998-09-29 2000-04-05 Hewlett-Packard Company Organization of time synchronization in a distributed system
US20090290511A1 (en) * 2008-05-23 2009-11-26 Honeywell International Inc. System and method for merging clusters of wireless nodes in a wireless network
EP2375834A2 (en) * 2010-04-08 2011-10-12 ITT Manufacturing Enterprises, Inc. Maintaining time of day synchronization
GB2490963A (en) * 2011-05-20 2012-11-21 Canon Kk Terminals in CSMA-CA group share seeds for pseudo-random back-off generation and maintain table of all group members' waiting times

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"A TDMA based mechanism to enforce real-time behaviour in WiFi networks", WFCS 2008, IEEE International Workshop on Factory Communication Systems, 2008-05-21. *

Also Published As

Publication number Publication date
GB201305981D0 (en) 2013-05-15
GB2512605A (en) 2014-10-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230403