Method of self-adaptive configuration for ultrahigh bit rate data client line rate

A rate-adaptive, data subscriber line technology, applied in the field of communications, can solve problems such as inconvenient maintenance of users' Internet access quality, and achieve the effects of improving flexibility and reliability, reducing configuration time, and improving service quality.

Inactive Publication Date: 2005-03-30
XIAN DATANG TELECOM
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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for self-adaptive configuration of very high bit rate digital user link rate in view of the maintenance problems caused by fixed rate VDSL links in the prior art, so as to realize the automatic adjustment and adaptation of VDSL link rate , to achieve the best speed, and solve the problems of inconvenient maintenance and user Internet access quality

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  • Method of self-adaptive configuration for ultrahigh bit rate data client line rate
  • Method of self-adaptive configuration for ultrahigh bit rate data client line rate

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0023] In a preferred implementation example of the present invention, the VDSL link rate is divided into n levels of rate queue rate[0]~rate[n-1] according to its supported rate range from large to small, that is, n kinds of rates model. The maximum rate supported by the chip set is the highest rate mode rate[0], and the base mode is the lowest rate mode rate[n-1], that is, mode 1; the mode rate[i] is from the highest mode rate[0] to the lowest Rate Mode A mode between rate[n-1].

[0024] The port adaptive status flag is set by the user according to the needs; the port adaptive status flag is 0, indicating that the rate adaptive configuration is not allowed; the port adaptive status flag is 1, indicating that the rate adaptive configuration is allowed;

[0025] The port rate adaptive configuration status flag is 0, indicating that the rate a...

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Abstract

The method includes steps: detecting state of chain, if broken chain, then office end is changed to basic mode corresponding to remote modem; detecting whether chain is built at basic mode; if yes, setting up configuration at office end and remote end to maximum speed rate mode; detecting whether chain is built at mode in speed rte setup; if yes, calculating SNR value at office end and remote end, and comparing with GoodSNR value respectively through looking up table; if the calculated SNR value is in range of GoodSNR value; then, present speed rate is optimal configuration of speed rate; if no, setting up office end and remote end to speed rate mode lower than previous configured mode in one kevel in speed queue. Repeating the said step is till to optimal speed rate mode is built. The method guarantees SNR of line to meet standard requirement.

Description

technical field [0001] The present invention relates to the field of communication technology, and more specifically, relates to a method for adaptively configuring the line rate of a very high bit rate data user in a very high bit rate data user system. Background technique [0002] VDSL (Very High-bit-rate Digital Subscriber Line) is a very high bit rate subscriber line. Within the range of 300m, the transmission speed of VDSL can reach 52Mbps; within the range of 1.5 kilometers, the transmission speed can generally reach 16Mbps. In short-distance (within 1.5 kilometers) applications, VDSL will replace ADSL as the next-generation access technology. Because VDSL provides greater bandwidth, it can meet more business needs, including the transmission of high-fidelity music and high-definition TV, and multi-channel pure MPEG2 information flow. It is a real full-service access method. In addition, the rate of VDSL is very close to the rate of Ethernet, and it can be used as a...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04M11/06
Inventor 李润圃李家和
Owner XIAN DATANG TELECOM
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