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Online reconfiguration initiated by the transmitter

A reconfiguration and transmitter technology, applied in the directions of distribution standards, payload distribution, transmission path sub-channel distribution, etc., can solve problems such as slow response and communication errors

Active Publication Date: 2017-06-13
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, OLR initiated at the receiver side may respond relatively slowly to changes in noise conditions, which may occur very quickly
Sometimes this mismatch can cause communication errors from the transmitter to the receiver

Method used

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  • Online reconfiguration initiated by the transmitter
  • Online reconfiguration initiated by the transmitter
  • Online reconfiguration initiated by the transmitter

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Embodiment Construction

[0021] It should be understood at the outset that although an illustrative implementation of one or more embodiments is provided below, the disclosed systems and / or methods may be implemented using any number of currently known or available techniques. The invention should in no way be limited to the illustrative implementations, drawings, and techniques illustrated below, including the exemplary designs and implementations illustrated and described herein, but may be limited within the scope of the appended claims and their equivalents. Modify within the complete scope of the object.

[0022] To overcome potential problems posed by receiver-initiated OLR, an approach called transmitter-controlled adaptive modulation (TCAM) uses hierarchical modulation to deal with time-varying noise. Layered modulation uses multiple layers of data bits loaded onto subcarriers. For example, if 10 bits are loaded on a subcarrier, the 10 bits may be divided or structured into 5 (or other number...

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Abstract

A method implemented by a first network element (NC) in a digital subscriber line (DSL) system includes obtaining an online reconfiguration (OLR) request from a control entity (CE), wherein the OLR request is issued by the CE based on a noise growth generation on a subscriber line between the NC and a second NC in the DSL system, and in response to the OLR request, sending a message to a receiver in the second NC to request lowering of the subscriber line on the data rate.

Description

[0001] Cross References to Related Applications [0002] This application claims the priority of the earlier application of U.S. Provisional Patent Application No. 61 / 635683, filed by Weidong on April 19, 2012, entitled "Transmitter Initiated Online Reconfiguration", the content of which This text is incorporated by reference as if reproduced in its entirety. [0003] About Sponsored by the Federal Government [0004] Statement of Research or Development [0005] Not applicable. [0006] Refer to Microfiche Addendum [0007] Not applicable. Background technique [0008] Digital Subscriber Line (DSL) technology can provide a large amount of bandwidth for digital communication on existing subscriber lines. Examples of DSL systems include those defined by standards such as Asymmetric DSL2 (ADSL2), Very High Speed ​​DSL (VDSL), Very High Speed ​​DSL2 (VDSL2), G.vector, and G.fast. Published by Study Group 15 (SG15) of the Union Telecommunication Standardization Sector (ITU-T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04M11/06
CPCH04M11/062H04L1/0003H04L1/20H04L5/0046H04L5/006Y02D30/50H04L1/0002
Inventor 卫东
Owner HUAWEI TECH CO LTD