Method for transmitting and processing OMCI (ont management and control interface) messages in GPON (gigabit passive optical network)

A message and category technology, applied in multiplexing system selection devices, electrical components, selection devices, etc., can solve problems affecting OMCI configuration efficiency, improve overall work efficiency, reduce system resource consumption, and achieve hardware implementation way simple effect

Inactive Publication Date: 2012-10-03
NANJING UNIV OF POSTS & TELECOMM
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  • Application Information

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Problems solved by technology

However, with the rapid growth of various network applications and the continuous improvement of user requirements for service levels, there will be more and more OMCI messages for OLT to configure and manage ONTs. The traditional single-form OMCI message transmission mode will greatly affect OMCI. Allocation efficiency

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  • Method for transmitting and processing OMCI (ont management and control interface) messages in GPON (gigabit passive optical network)
  • Method for transmitting and processing OMCI (ont management and control interface) messages in GPON (gigabit passive optical network)

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Embodiment Construction

[0019] The technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:

[0020] The idea of ​​the present invention is to set up the same number of OMCI message channels between the OLT and the ONU according to the number of types of OMCI messages to be sent, so as to realize the multi-channel parallel sending of OMCI messages, and the OMCI messages of the same type are sent sequentially through the same OMCI channel; the ONU Store multiple received OMCI messages into registers, and then execute them sequentially in the order they are received. In the process of transmitting OMCI messages, OLT also monitors the changes of OMCI message types and the working status of each channel in real time. If the number of OMCI message types is greater than the number of existing OMCI channels, a new extended OMCI channel will be established accordingly to transmit OMCI messages. If a channel is not used within a certain period of time, i...

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Abstract

The invention discloses a method for transmitting and processing OMCI (ont management and control interface) messages in a GPON (gigabit passive optical network). The GPON comprises an optical line terminal (OLT) and at least one optical network unit (ONU) connected with the OLT through optical fibers. The method comprises the following steps: an initial OMCI channel communicated with the ONU is established by the OLT firstly, then a plurality of expansion OMCI channels are established according to the types of OMCI messages, and the OMCI messages are simultaneously sent to the ONU by the OLT by utilizing the plurality of OMCI channels, so that under the condition that more OMCI messages are needed to be sent to the ONU, the efficiency of configuring and managing the ONU by the OLT is effectively improved, and the integral working efficiency of the system is improved. Moreover, only one register is needed to be arranged in the ONU, so that the method has the advantages of simple hardware implementation mode, low cost and wider application range. The invention also discloses the GPON using the method.

Description

technical field [0001] The present invention relates to a passive optical network (Passive Optical Network, referred to as PON), in particular to a GPON (Gigabit Passive Optical Network, gigabit passive optical network) transmission and processing OMCI (ONT Management and Control Interface, optical network unit management and control interface) message method. Background technique [0002] According to the prediction of the future development of broadband applications, optical fiber is considered to be the best transmission medium so far. The Gigabit Passive Optical Network (GPON) system is due to its long transmission distance, high bandwidth, and better optical characteristics. Features such as standards are welcomed in current optical network applications and have good development prospects. [0003] In the GPON system, the optical line terminal (OLT) configures and manages the optical network terminal (ONT) through the ONT management and control interface (OMCI) protoco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q11/00
Inventor 陈健陈然孟世胜倪健
Owner NANJING UNIV OF POSTS & TELECOMM
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