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Method for increasing using effect of data storage in full-T cross

A technology of data memory and memory, which is applied in the field of communication, can solve the problems of increased cost and limited cross-connect capacity of a single chip, and achieve the effect of reducing size, reducing cost and improving cross-connect capacity

Inactive Publication Date: 2005-11-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The extensive use of DM will bring two problems: one is that the single-chip crossover capacity that can be realized by the existing technology is limited; the other is that the cost of realizing a certain specification of crossover capacity is increased

Method used

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  • Method for increasing using effect of data storage in full-T cross
  • Method for increasing using effect of data storage in full-T cross
  • Method for increasing using effect of data storage in full-T cross

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Embodiment Construction

[0027] The core of the present invention is to divide it into appropriate several groups according to the size of the input business to be crossed, set a certain number and capacity of data memory and delay memory for each group, and perform time-sharing pipeline for the data memory in each group The operation acquires the crossed data of each channel in turn, and temporarily stores the obtained crossed data in the delay memory. When the last road reads the crossed data from the data memory, it will be temporarily stored in the first few roads of the delay memory. The crossover data obtained from the data memory is output synchronously, so as to realize the full T crossover of the services in this group, and control these several groups to synchronously output their respective full crossover service data according to the same working mode, so as to complete all the service data to be crossover The full T cross.

[0028] In order to enable those skilled in the art to better und...

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Abstract

This invention discloses a method for increasing the efficiency of data storages in total interleave including: designing the service to be interleaved N channels, the sum of the least particle service participating the interleave in each channel is M, designing L channels in N for being interleaved to be one set to design N / L sets data storages and delay storages, controlling the data and delay storages in each set to finish the total interleave of N channel input and l channel output, synchronously controlling said N / L set delay storage to finish the total T interleave of N channel output.

Description

technical field [0001] The invention relates to the technical field of communications, in particular to a method for improving the efficiency of data memory usage. Background technique [0002] With the development of communication technology, the amount of information carried in the SDH (Synchronous Digital Hierarchy) / SONET (Synchronous Optical Network) network is increasing. In this way, the most important network element digital cross-connection equipment in the SDH / SONET network is required (DXC) with greater exchange capacity. The core of DXC is a cross-connect matrix, which realizes the cross-connection to VC (virtual container). Usually the function of the cross-connect matrix is ​​performed by the cross-chip. For the realization of large-capacity cross-chip, the size of RAM used in the chip is a very important factor, regardless of the complexity of chip implementation or the price of the chip. With the increasing cross-chip capacity, This factor is also gaining p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/54
Inventor 苏文彪胥海洲成民陈小铁
Owner HUAWEI TECH CO LTD