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Bivariate histogram for impulse noise monitor

A technology for impulse noise and impulse noise protection, which is applied in the field of communication and can solve problems such as low error rate and reduced transmission rate

Inactive Publication Date: 2012-08-22
尚涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Higher INP levels provide lower error rates, but at the expense of reduced transmission rates

Method used

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  • Bivariate histogram for impulse noise monitor
  • Bivariate histogram for impulse noise monitor
  • Bivariate histogram for impulse noise monitor

Examples

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Embodiment Construction

[0014] It is to be understood at the outset that although the following provides example implementations of one or more embodiments, the disclosed systems and / or methods may be implemented using any number of techniques, whether currently known or in existence. In no way should the present disclosure be limited to the exemplary implementations, drawings, and techniques illustrated below, including the exemplary designs and implementations shown and described herein, but rather be within the scope of the appended claims and their equivalents. modify this disclosure within the full scope of its effects.

[0015] Disclosed herein is an apparatus and process for determining INP settings using bivariate histograms. For downstream DMT symbols transmitted from the XDSL transceiver unit at the central office (XTU-C) to the XDSL transceiver unit at the remote location (XTU-R), the INS at the XTU-R detects whether the DMT symbols are corrupted by impulse noise . The INM obtains the im...

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Abstract

A network component comprising at least one processor configured to implement a method comprising creating a bivariate histogram using impulse noise data comprising a plurality of variables, wherein the bivariate histogram describes the joint statistics between at least two of the variables. Also disclosed is an apparatus comprising an impulse noise monitor (INM) in communication with an impulse noise sensor (INS), wherein the INM is configured to receive error data from the INS and create a bivariate histogram comprising a plurality of variables using the error data. Included is a method comprising providing a bivariate histogram comprising an impulse noise length (IL) and an impulse noise inter-arrival time (IAT) for a plurality of impulse noise events, wherein the IL and the IAT are each measured in integer multiples of discrete multi-tone symbols, and wherein the bivariate histogram is used to determine a minimum impulse noise protection.

Description

[0001] Cross References to Related Applications [0002] This application claims U.S. Provisional Patent Application Serial No. 60 / 884,336, filed January 10, 2007, by Long et al., entitled "BivariateHistogram for Impulse Noise Monitor" and Long, et al. 11 / 968,322, entitled "BivariateHistogram for Impulse Noise Monitor," the disclosure of which is hereby incorporated by reference in its entirety. technical field [0003] The invention relates to the technical field of communication. Background technique [0004] Digital Subscriber Line (DSL) technologies, such as Asymmetric DSL (ADSL) and Very High Speed ​​DLS (VDSL), use existing twisted-pair telephone subscriber lines to provide substantial communication bandwidth. When sending data over subscriber lines, DSL technology generally uses Discrete Multi-Tone (DMT) line codes, which assign multiple bits to each tone, or subcarrier. The DMT can be adjusted to accommodate various channel conditions that can occur at each end of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
CPCH04L1/20H04L27/2601
Inventor 龙国柱卫东周军刘建华
Owner 尚涛