Patent · US Active

Method and module of priority division and queue scheduling for communication services in smart substation

US11502960B2 · kind B2 · utility

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2Claims
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Assignee

Inventors

Key dates

Filing dateMay 25, 2021
Grant dateNov 15, 2022
Priority date
Expiry dateMay 25, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L47/32
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A method for dividing communication services in smart substation into different priorities, the method including: determining the priority of a message to be sent according to the service type and its priority definition; the communication services includes trip message, state change message, sampled value message, device status message, time synchronization message, and file transfer message; the corresponding priority is respectively defined as 7, 6, 5, 4, 3, 1; and filling the user priority field of IEEE802.1Q label in a message header with a binary value corresponding to its priority.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.