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Intelligent light/electricity/light repeater for optical fibre loop MAN with elastic packet

A technology of optical fiber ring network and optical transponder, which is applied in the direction of ring electromagnetic network, electrical components, electromagnetic network arrangement, etc. It can solve the problems that the bit rate self-adaptive intelligent optical transponder has not been applied, and achieve the effect of unique technical characteristics

Inactive Publication Date: 2004-03-17
SHANGHAI JIAO TONG UNIV
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

At present, this frequency detection technology has not been applied to the 2.5Gb / s bit rate adaptive intelligent optical transponder

Method used

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  • Intelligent light/electricity/light repeater for optical fibre loop MAN with elastic packet
  • Intelligent light/electricity/light repeater for optical fibre loop MAN with elastic packet
  • Intelligent light/electricity/light repeater for optical fibre loop MAN with elastic packet

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Embodiment Construction

[0019] In order to better understand the technical solution of the present invention, further description will be made below in conjunction with the accompanying drawings and embodiments.

[0020] attached figure 1 It is the architecture of the intelligent optical / electrical / optical 3R optical transponder of the present invention. The output of the photoelectric conversion unit 1 is connected to the input end of the limiter and post-amplification unit 3 through the pre-amplification unit 2, and the output of the limiter and post-amplification unit 3 is respectively connected to the data regeneration unit 4 and the clock extraction unit 5, and the data regeneration unit 4 The output of the clock is sent to the optical channel through the optical sending unit 6, and the output of the clock extraction unit 5 is returned to the data regeneration unit 4, and then sent to the optical channel through the optical sending unit 6. Each functional unit is connected to the monitoring uni...

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PUM

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Abstract

An intelligent light / electricity / light repeater for elastic packet optial fibre ring MAN is disclosed. The light input signal is converted to electric signal by a photoelectric converter. After initial amplifier and clipped by pre-amplifier and amplified again by post-amplifier, the signal after clipped passes through a data regenerator and a clock extractor for data regeneration. After the regenerated data is converted to light signal, it is transmitted to optical channels by a light transmitter. A monitor unit can perform the monitor and control of system and the control of negative feedback for data and block regeneration. Its advantages are high efficiency and high adaptive transparency.

Description

Technical field: [0001] The invention relates to an intelligent optical / electrical / optical transponder for a metropolitan area elastic packet fiber ring network, which has 3R functions, that is, signal amplification (Reamplifying), shaping (Reshaping), regeneration (Regenerating, or Retiming retiming) Timing) intelligent optical / electrical / optical transponders, support signal transmission at various rates from 30Mb / s to 2.5Gb / s and have optical layer transmission parameter monitoring and control functions, suitable for input data protocol and bit The metropolitan area flexible grouping optical fiber ring network node equipment that requires high rate transparency. It belongs to the technical field of optical communication network. Background technique: [0002] Resilient Packet Optical Ring (RPR) is a new structure, Gbit IP over optical fiber metropolitan area network solution, and its technical standard is currently being formulated by the IEEE802.17 working group. RPR te...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/275
Inventor 朱栩曾庆济杨旭东
Owner SHANGHAI JIAO TONG UNIV
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