Transmission system of parallel 12 routes 10Gb/s very short distance

A transmission system and short-distance technology, which is applied in the field of very short-distance transmission systems, can solve the problems of channel resource waste and low transmission efficiency, and achieve the effects of enhancing balance, reducing bandwidth waste, and improving performance and efficiency

Inactive Publication Date: 2006-07-05
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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Problems solved by technology

Currently there is a 10Gb / s very short-distance transmission system that uses a 12-way vertical cavity surface emitting laser array and its parallel optical transceiver modules to achieve 10Gb / s data transmission at a distance of 300 meters, but it uses 10 channels The scheme of transmitting data payload and transmitting control data through two channels has the problems of waste of channel resources and low transmission efficiency

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  • Transmission system of parallel 12 routes 10Gb/s very short distance
  • Transmission system of parallel 12 routes 10Gb/s very short distance
  • Transmission system of parallel 12 routes 10Gb/s very short distance

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Embodiment Construction

[0019] The 12-way parallel 10Gb / s very short distance transmission system of the present invention, as figure 1 As shown, it includes two parts, sending and receiving. In the sending part, an OC-192 framer 101 sends out an OC-192 frame, and this frame is 16 channels of STM-4 signals, each with a frequency of 622MHz. These 16-way signals are converted into 10-way signals through a branch converter 102, and 1-way parity check signal and 1-way CRC check signal are generated at the same time, each signal occupies a channel, and 10-way data signals occupy 1 to 10 channel, the parity check signal occupies the 11th channel, and the CRC check signal occupies the 12th channel. The converted 10-way signals and 1-way parity signal are adjusted through a buffer 103 to adjust timing, and then sent to a transmission controller 104 together with 1 CRC check signal. The transmission controller 104 adjusts the data of the 12 input signals, so that data information and control information are...

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Abstract

The system includes parts and operating flow: an OC-192 framer generates 16 routes of STM-4 signal, which are converted to 10 routes of signal, 1 route of parity check signal, and 1 route CRC check signal generated through decommutator; then, the said signals are adjustment in a transmission controller to make each route of channel transfer data; being transferred to a 8B / 10B encoder, data are converted to serial signal after passing through a parallel / serial convertor; reception controller recovers 10 routes of data signal, 1 route of parity check signal, and 1 route CRC check signal from 12 route mixed signal, and the controller realizes function of cable symmetrical cross detection and frame synchronization; after passing through debugging and correcting unit, data are converted to 16 routes of STM-4 signals, which are transferred to OC-192 framer; the system converts signals received to 12 route of mixed channel for transmitting data, debugging and correcting signal in parallel.

Description

technical field [0001] The invention relates to a very short-distance transmission system with a transmission data rate of 10Gb / s, in particular to a 12-way parallel 10Gb / s very short-distance transmission system. Background technique [0002] With the continuous acceleration of the global informatization process and the rapid development of network technology, the demand for network transmission bandwidth is also increasing. Currently there is a 10Gb / s very short-distance transmission system that uses a 12-way vertical cavity surface emitting laser array and its parallel optical transceiver modules to achieve 10Gb / s data transmission within a distance of 300 meters, but it uses 10 channels The scheme of transmitting data payload and transmitting control data through two channels has the problems of waste of channel resources and low transmission efficiency. Contents of the invention [0003] The purpose of the present invention is to provide a novel 12-way parallel 10Gb / ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/13H04B10/2581
Inventor 陈弘达周毅左超
Owner INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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