A passive optical network compatible device, its realization method and optical line terminal

A passive optical network and optical network unit technology, which is applied in the field of passive optical network compatible devices and optical line terminals, and can solve the problem that OLT cannot be compatible at the same time.

Active Publication Date: 2019-11-15
SANECHIPS TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For a long period of time in the future, two ONU devices, XGPON1 and XGPON2, will coexist, and the existing OLT cannot be compatible with both devices at the same time. The evolution is smoother, which will be a problem for operators and equipment manufacturers to solve

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  • A passive optical network compatible device, its realization method and optical line terminal
  • A passive optical network compatible device, its realization method and optical line terminal

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Embodiment Construction

[0044]In the embodiment of the present invention, the first uplink burst clock and data recovery unit and the second uplink burst clock and data recovery unit respectively recover the received uplink data according to two standards, and send the recovered uplink data to the second uplink burst clock and data recovery unit respectively. An uplink delimiting, descrambling and FEC decoding unit and a second uplink delimiting, descrambling and FEC decoding unit; a first uplink delimiting, descrambling and FEC decoding unit and the second uplink delimiting, descrambling and FEC decoding unit The scrambling and FEC decoding units respectively demarcate the received recovered uplink data according to two standards, and after the demarcation is successful, send the GTC frame to the GTC deframing unit; the GTC deframing unit sends the deframed data to the processed by different processing units.

[0045] The present invention will be described in further detail below in conjunction wit...

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Abstract

Disclosed is a device for providing compatibility with passive optical networks, wherein two uplink burst clock and data recovery units respectively recover received uplink data in accordance with two standards, and respectively transmit the recovered uplink data to their respective uplink delineation, descrambling and forward error correction (FEC) decoding units; then the two uplink delineation, descrambling and FEC decoding units perform delineation on the received recovered uplink data in accordance with two standards, and after the delineation is successful, transmit processed Gigabit Passive Optical Network Transmission Convergence (GTC) frames to a GTC deframing unit; finally, the GTC deframing unit transmits the deframed data to different processing units for processing. Also disclosed are a method for providing compatibility with passive optical networks, an optical line terminal, and a computer storage medium.

Description

technical field [0001] The present invention relates to passive optical network (Passive Optical Network, PON) system transmission technology, in particular to a passive optical network compatible device and its implementation method and optical line terminal (Optical Line Terminal, OLT) Background technique [0002] XGPON (X Gigabit-Capable Passive Optical Network, XGPON) is a new generation of PON network standard evolved from Gigabit-Capable Passive Optical Network (GPON), XGPON is divided into asymmetric 10 Gigabit passive optical network and a symmetrical 10-Gigabit passive optical network, wherein the asymmetrical 10-Gigabit passive optical network may be called XGPON1, and the symmetrical 10-Gigabit passive optical network may be called XGPON2. The rate supported by XGPON1 is: uplink 2.48832Gbps, downlink 9.95328Gbps; the rate supported by XGPON2 is: uplink 9.95328Gbps, downlink 9.95328Gbps. [0003] The protocol family ITU-T 987.x of XGPON1 was approved in June 2010...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q11/00H04J3/06
CPCH04Q11/00
Inventor 郭继正陈钦树
Owner SANECHIPS TECH CO LTD
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