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Baseline drift compensation method, baseline correction module and Ethernet transceiver thereof

一种补偿方法、以太网的技术，应用在基带系统零部件、直流电平复原装置/偏置畸变校正、数字传输系统等方向，达到低复杂度、低成本的效果

Active Publication Date: 2014-06-25
ALI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the traditional Ethernet transceiver 1 can only use a fixed loop bandwidth working mode, and cannot take into account the compensation of normal packets and killer packets at the same time when processing signals

Method used

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  • Baseline drift compensation method, baseline correction module and Ethernet transceiver thereof
  • Baseline drift compensation method, baseline correction module and Ethernet transceiver thereof
  • Baseline drift compensation method, baseline correction module and Ethernet transceiver thereof

Examples

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Embodiment Construction

[0047] Various exemplary embodiments will be described more fully hereinafter with reference to the accompanying drawings, in which some exemplary embodiments are shown. However, inventive concepts may be embodied in many different forms and should not be construed as limited to the illustrative embodiments set forth herein. Rather, these exemplary embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the inventive concept to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. Like numbers indicate like elements throughout.

[0048] It will be understood that, although the terms first, second, third etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are used to distinguish one element from another. Thus, a first element discussed below could be termed a second element without...

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PUM

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Abstract

The invention provides a baseline drift compensation method, a baseline correction module and an Ethernet transceiver thereof. The baseline drift compensation method is used for compensating the baseline drift of the Ethernet transceiver and comprises the following steps that at first, output grouping is detected, then detected results of output grouping and preset reference values are compared to generate control signals, finally one of a first correction signal or a second correction signal is selected according to the control signals to execute correction calculation, and the baseline correction amount generated after the correction calculation is executed is used for compensating the input signals.

Description

technical field [0001] The present invention provides a method for compensating baseline wander (Baseline Wander), and in particular, a method for compensating baseline wander for a baseline correction (Baseline Calibration) module and an Ethernet (Ethernet) transceiver thereof. Background technique [0002] In today's electronic communication systems, the transmission of digital data tends to become more and more important. In addition, as users' demand for fast transmission increases, the development of Ethernet is further stimulated. However, in the process of data transmission, the modulated waveform received by the Ethernet transceiver is susceptible to channel distortion (Channel Distortion), causing the effects of killer packets (Killer Packet) and baseline drift. Failure to properly compensate for baseline drift will eventually result in increased transceiver error rates. [0003] see figure 1 , figure 1 A block diagram of a traditional Ethernet transceiver. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L5/00
CPCH04L25/06H04L43/50
Inventor 赵丹刘波
Owner ALI CORP
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