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Digital user line binding and accessing method based on multi-user

A digital subscriber line, multi-user technology, applied in the field of data communication, to achieve the effects of improving data transmission rate, balancing lines, and being easy to implement

Inactive Publication Date: 2006-12-20
HUAAO COMM SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Aiming at the deficiency that the current technology cannot make full use of the redundant resources and performance of the twisted pair, the present invention proposes a multi-user shared bundled DSL access method and related technical measures, which can make full use of the existing copper pair in the simplest way. Twisted cable resources solve the access bottlenecks existing in the current Internet, making it capable of multi-channel voice, data, and video triple play services, and promoting the realization of network services with more and more content and forms and higher quality requirements

Method used

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  • Digital user line binding and accessing method based on multi-user
  • Digital user line binding and accessing method based on multi-user
  • Digital user line binding and accessing method based on multi-user

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Embodiment Construction

[0035] A specific embodiment of the present invention includes several parts, and the core part relevant to the invention is the DSLAM equipment located at the central office, the CPE equipment located at the user end, the peripheral part has the home gateway located in the residential user room, various user terminals, and the CPE located at the central office. PSTN switches, IP routers, etc., in figure 1 A representative network application structure is shown in .

[0036] figure 1 In , the entire topology can be divided into several parts: access network, IP switching network, PSTN switching network, and home network. The access network includes a conventional DSL modem 121 at the user end, a comprehensive access equipment (CPE) 130 at the user end, a twisted pair cable 110, and a digital subscriber line access multiplexing device (DSLAM) 101 at the central office; the configuration of the home network has relatively large arbitrariness, such as figure 1 140 in the netwo...

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Abstract

The invention relates to a DSL bond method of multi users, wherein the twisted-pair line of nearby users is bonded into one multi-input multi-output (MIMO) logic channel; the digit user line bonded at the client terminal device (GPE) and the local terminal is accessed into the physical layer and data chain layer of multiplex device (DSLAM); the invention uses one spatial code method to integrate multi user data flows into one code bit flow to be distributed into several independent physical channels to be sent; at the same time, for reducing the interference on the same-cable line, based on multi-channel test and the estimate result of sending data flow, processing the data flow smooth access with dynamic sub carrier wave restrain, bit load adjustment and code increment control.

Description

technical field [0001] The invention belongs to the field of data communication, in particular to a digital subscriber line (DSL) access method for binding multiple pairs of twisted pairs of multiple users. Background technique [0002] From end users to the Internet, there are many standards for current access methods, such as narrowband modem (Modem), digital subscriber line (xDSL), cable modem (Cable Modem), fiber-to-the-building + local area network (FTTB+LAN) , FTTH (fiber-to-the-home), etc. These access methods have been used in homes and some small offices to varying degrees to provide data or other proliferation services, and the data rate varies from tens of Kbps to several Mbps or even tens of Mbps varies. [0003] The narrowband modem is the earliest and simplest access method for home users. It uses the existing telephone line to transmit data. It can meet the most basic applications, and there are very few users at present. [0004] DSL technology is a kind o...

Claims

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Application Information

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IPC IPC(8): H04L12/28
Inventor 樊凌涛
Owner HUAAO COMM SHANGHAI
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