Method and system for transmitting time division multiplex service

A time-division multiplexing and service technology, applied in time-division multiplexing systems, multiplexing communications, electrical components, etc., can solve problems such as uplink TDM service interruption, and achieve the effect of eliminating service interruption and achieving lossless transmission.

Active Publication Date: 2011-01-05
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The purpose of the present invention is to provide a method for transmitting time-division multiplexing services to solve the problem of interruption of uplink TDM services caused by temporary interruption of transmission between OLT and ONU / ONT in the uplink direction caused by ranging

Method used

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  • Method and system for transmitting time division multiplex service
  • Method and system for transmitting time division multiplex service
  • Method and system for transmitting time division multiplex service

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Abstract

This invention relates to a method and a system for transmitting TDM service realized based on bit G passive optical network including buffer-storing up-TDM service data in a first buffer-storage when the GPON system is ranging and carrying the TDM service data in the first storage to a second buffer-storage after the ranging is finished to read out the TDM data in the second storage, which can solve the problem of interruption of the up-TDM service resulted in temporary interruption of transmission between the up-directin optical circuit terminal and the optical signal T-R unit due to the ranging to realize lossless transmission when TDM service ranges on the up direction of the GPON system.

Description

A method and system for transmitting time-division multiplexing services technical field The invention relates to transmission technology in the field of optical communication, in particular to a method and system for transmitting time-division multiplexing services. Background technique As shown in Figure 1A and 1B, GPON (GbitPassiveOpticalNetwork, Gbit passive optical network) is made up of 3 parts: OLT (OpticalLineTerminal, optical line terminal); ODU (OpticalDistributionNetwork, optical distribution network); ONU (OpticalNetworkUnit, optical network unit) or ONT (OpticalNetworkTerminals, optical network terminal). The ODU in Figures 1A and 1B is a passive optical splitter, which is a purely optical module and does not involve electrical signal processing. The OLT is the central office module, and the ONU / ONT is the user side module. OLT->ONU / ONT is the downlink direction, and ONU / ONT->OLT is the uplink direction. As shown in Figure 1A, the downlink signal is i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04J3/16
CPCH04J3/0682H04J3/1694
Inventor 熊焰赵峻王万万
Owner HUAWEI TECH CO LTD
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