Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Extension of Ethernet PHY to channels with bridged tap wires

A technology of Ethernet and channel, applied in synchronous signal speed/phase control, shaping network in transmitter/receiver, baseband system, etc., can solve the problems of reduced system throughput, high complexity, high power consumption of the system, etc.

Inactive Publication Date: 2018-10-19
AVAGO TECH INT SALES PTE LTD
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although OFDM offers several advantages, in some applications, systems using OFDM may suffer from high power consumption and / or high complexity
Furthermore, the throughput of the system may be reduced due to signaling overhead

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Extension of Ethernet PHY to channels with bridged tap wires
  • Extension of Ethernet PHY to channels with bridged tap wires
  • Extension of Ethernet PHY to channels with bridged tap wires

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0039] Certain embodiments of inventions including extended Ethernet PHY systems and methods are disclosed herein to provide and process debug preambles added to IEEE 802.3 standard Ethernet frames to address cables with severe intersymbol interference (ISI) Types of. In one system embodiment, the preamble is sent by the transmitter, and on the receiver side, synchronization logic is used to establish synchronization (eg, via determination of the preamble phase). Once preamble synchronization is achieved, the local preamble generator generates the same code as that generated in the transmitter, which is used to debug the decision feedback equalizer (DFE). After commissioning, any channel changes can be tracked with the decision value at the output of the DFE. Once the preamble is complete, the transmitter may switch to normal Ethernet PHY idle signal frames and / or Ethernet data frames comprising idle symbols and / or data symbols, respectively. In some embodiments, the same pr...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses extension of an Ethernet phy to a channel with bridged tap wires; in one embodiment, receiving an Ethernet signal over a channel, the Ethernet signal comprising a preamble frame, an idle frame, and a data frame, the preamble frame comprising one or more preamble codes; synchronizing to the Ethernet signal based on the preamble frame; replicating the one or more preamble codes; and training a decision feedback equalizer (DFE) based on the one or more replicated codes, the training enabling the DFE to use decision values at the DFE output to track channel variations.

Description

[0001] Information about divisional applications [0002] This application is a divisional application of the Chinese invention patent application with the application number 201310066310.9, the title of the invention is "Extension of Ethernet PHY to Channel with Bridged Tap Line", and the filing date is March 1, 2013. technical field [0003] The present disclosure relates generally to Ethernet physical layer (PHY) systems and telephony. Background technique [0004] Ethernet PHY systems for high data rates (eg, 100M, 1G, and 10G) as specified in IEEE802.3 are designed to work over category cables with predetermined specifications. These category cables have a moderate amount of intersymbol interference (ISI). Some form of ISI mitigation, in particular various forms of Decision Feedback Equalizer (DFE) is often used to prevent ISI. A DFE may include feedforward filters and feedback filters. In order to debug (train) the DFE and other signal processing blocks, the transm...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H04L7/04H04L25/02H04L25/03H04L7/08
CPCH04L7/041H04L7/08H04L25/0212H04L25/03057H04L2025/03681H04L2025/03783H04B1/10
Inventor 艾哈迈德·奇尼穆罕默德·泰兹贝
Owner AVAGO TECH INT SALES PTE LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com