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Method and device for carrying out synchronous alarm

A technology of alarm message and type identification, which is applied in the field of communication and can solve problems such as inability to synchronize alarm transmission

Active Publication Date: 2018-12-11
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a method and equipment for performing synchronous alarms to solve the problem in the prior art that synchronous alarm transmission cannot be performed between ONU and OLT

Method used

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  • Method and device for carrying out synchronous alarm
  • Method and device for carrying out synchronous alarm

Examples

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Effect test

Embodiment 1

[0187] If the clock is out of lock on the device and the time is out of lock at the same time, two synchronization alarm messages can be packaged for the status changes of the two synchronization alarms. The type identifier corresponding to the time out of lock; in addition, the two synchronous alarm messages carry the status information of the synchronous alarm respectively; after the ONU encapsulates the above content to form two synchronous alarm messages, it uses the OLT management channel to transmit the two synchronous alarm messages.

Embodiment 2

[0189] If the clock of the device is out of lock and the time is out of lock at the same time, two synchronous alarms of status transmission changes can be encapsulated into a synchronous alarm message, in which the type is identified as the message category code indicating that the message is an alarm, and in the synchronous alarm The message also carries the type identification of clock loss and time loss (such as the type of synchronization alarm represented by a specific identification) and status information; after the ONU encapsulates the above content to form a synchronization alarm message, it uses the OLT management channel to transmit the synchronization alarm message.

Embodiment 3

[0191] If the device’s clock is out of lock and the time is out of lock at the same time, but no ESMC message is lost, the following methods can be used to encapsulate the synchronization alarm message: carry the message type code indicating that the message is an alarm message in the synchronization alarm message; The synchronization management unit identification corresponding to the lock, time lock, and ESMC message loss is "synchronization management unit identification 427", and the corresponding synchronization management unit identification "synchronization management unit identification 427" is carried in the synchronization alarm message; Indicates the alarm number, then the first and second bit positions used to indicate clock loss of lock and time loss of lock in the alarm state table with 224 bits in the synchronous alarm message are set to 1, and ESMC The third bit of packet loss is set to 0, and the other bits without corresponding alarms are all set to 0; the mes...

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Abstract

The invention discloses a method and device for carrying out synchronous alarm so as to solve the problem that synchronous alarm cannot be carried out between an ONU and an OLT in the prior art. The method comprises the following steps: the ONU generates a synchronous alarm message after the synchronous alarm status changes, wherein the synchronous alarm message comprises synchronous alarm type identification and synchronous alarm state information; and the ONU sends the synchronous alarm message to the OLT to enable the OLT to determine the synchronous alarm, the state of which changes, according to the synchronous alarm message. The ONU can generate the synchronous alarm message, which comprises the synchronous alarm type identification and the synchronous alarm state information, afterthe synchronous alarm status changes, and the ONU can transmit the synchronous alarm to the OLT based on the synchronous alarm message, so that the problem that synchronous alarm cannot be carried outbetween the ONU and the OLT in the prior art is solved.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and device for synchronous alarming. Background technique [0002] TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, Time Division Synchronous Code Division Multiple Access), WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access), TD-LTE (Time Division Long Term Evolution, Time Division Long Term Evolution Evolution) and other wireless standards, the relative time difference between different base stations needs to be kept within a certain range, that is, the time synchronization requirements need to be met, otherwise, when mobile terminals such as mobile phones switch between different base stations, signals will interfere with each other, resulting in a decline in call quality, Problems such as stringing and dropped calls. In a traditional method, time synchronization between different base stations is realized b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/04H04L12/24H04W56/00
CPCH04L41/0246H04W24/04H04W56/001H04W56/00
Inventor 韩柳燕胡新天张德朝王磊李晗
Owner CHINA MOBILE COMM LTD RES INST
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