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Measuring system and method for data setting time of regulatable optic burst receiving system

A technology of receiving system and establishing time, applied in the field of network

Inactive Publication Date: 2010-12-08
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Therefore, accurate measurement of this time period is very important in a tunable optical burst receiving system, but there is no measurement method for this time period in the prior art

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  • Measuring system and method for data setting time of regulatable optic burst receiving system
  • Measuring system and method for data setting time of regulatable optic burst receiving system
  • Measuring system and method for data setting time of regulatable optic burst receiving system

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Embodiment Construction

[0033] The measuring system of the present invention is as figure 2 As shown: It includes a data source 1, including a code group generating unit, which is used to generate two data streams with the same frequency, phase and content. The content of the data stream includes a synchronous code group and a special code group; a counting unit, The group generation unit is connected to determine the number of synchronization code groups after tuning; after the data source starts to send a certain number of synchronization code groups, it sends a control signal to the control module to notify the control module to perform tuning of the tuning receiver unit (TRU) ;

[0034] A parallel / serial conversion unit 2, used to convert the parallel signal sent by the data source into a serial signal;

[0035] An electrical / optical (E / O) conversion unit 3, used to convert two electrical signals into optical signals of different frequencies;

[0036] A coupler 4 is used to couple the optical ...

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Abstract

The measuring system includes a data source, electro-optic (E / O) conversion unit, a coupler, a turnable receiving unit (TRU), an opto-ectronic (O / E) conversion unit, series-parallel conversion unit, a data-receiving module, and a control module. The invention also discloses method for measuring time of setting up data. Using limited parts and devises, the invention measures out the setting time of switching frequency in network of supporting paroxysmal reception.

Description

technical field [0001] The invention belongs to the category of network technology, and is a method for measuring data establishment time. It can be used to measure the data establishment time of the tunable optical burst receiving system in the network. The measured value has important reference significance for the setting of some network parameters (such as the setting of offset time in OBS network). Background technique [0002] With the continuous increase of network bandwidth requirements, WDM technology has been widely used. And as one of the key technologies in WDM technology—tunable receiving technology is also widely used in Optical Add-Drop Multiplexing (OADM). However, when an existing tunable device is tuned from one frequency to another, it takes a period of time to work stably at the new frequency due to the internal tuning mechanism of the optical device. [0003] A tunable optical burst receiving system can be abstracted as a three-port unit, a data input...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04J14/02H04Q11/00
Inventor 王宏祥纪越峰文敢
Owner BEIJING UNIV OF POSTS & TELECOMM