TW200952402A - Methods and apparatus for adaptive link partner transmitter equalization - Google Patents

Methods and apparatus for adaptive link partner transmitter equalization Download PDF

Info

Publication number
TW200952402A
TW200952402A TW098106536A TW98106536A TW200952402A TW 200952402 A TW200952402 A TW 200952402A TW 098106536 A TW098106536 A TW 098106536A TW 98106536 A TW98106536 A TW 98106536A TW 200952402 A TW200952402 A TW 200952402A
Authority
TW
Taiwan
Prior art keywords
training
channel
pattern
local transceiver
local
Prior art date
Application number
TW098106536A
Other languages
English (en)
Chinese (zh)
Inventor
Mohammad S Mobin
Gregory W Sheets
Lane A Smith
Paul H Tracy
Original Assignee
Agere Systems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agere Systems Inc filed Critical Agere Systems Inc
Publication of TW200952402A publication Critical patent/TW200952402A/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03592—Adaptation methods
    • H04L2025/03745—Timing of adaptation
    • H04L2025/03764—Timing of adaptation only during predefined intervals
    • H04L2025/0377—Timing of adaptation only during predefined intervals during the reception of training signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel
    • H04L2025/03808—Transmission of equaliser coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
TW098106536A 2008-02-29 2009-02-27 Methods and apparatus for adaptive link partner transmitter equalization TW200952402A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/040,575 US8320439B2 (en) 2008-02-29 2008-02-29 Methods and apparatus for adaptive link partner transmitter equalization

Publications (1)

Publication Number Publication Date
TW200952402A true TW200952402A (en) 2009-12-16

Family

ID=41013147

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098106536A TW200952402A (en) 2008-02-29 2009-02-27 Methods and apparatus for adaptive link partner transmitter equalization

Country Status (7)

Country Link
US (1) US8320439B2 (enExample)
EP (1) EP2248313A2 (enExample)
JP (1) JP2011521488A (enExample)
KR (1) KR20100116645A (enExample)
CN (1) CN101960804A (enExample)
TW (1) TW200952402A (enExample)
WO (1) WO2009111137A2 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8307265B2 (en) * 2009-03-09 2012-11-06 Intel Corporation Interconnection techniques
US8370704B2 (en) * 2009-03-09 2013-02-05 Intel Corporation Cable interconnection techniques
US8379710B2 (en) * 2009-03-10 2013-02-19 Intel Corporation Transmitter control in communication systems
US9876595B2 (en) * 2012-02-06 2018-01-23 Maxlinear, Inc. Method and system for a distributed receiver
US9252968B2 (en) * 2012-06-22 2016-02-02 Intel Corporation Link training and training frame for 100GBPS ethernet
US9680675B1 (en) * 2012-08-29 2017-06-13 Altera Corporation Methods and apparatus for automated adaptation of transmitter equalizer tap settings
WO2014032268A1 (zh) * 2012-08-31 2014-03-06 华为技术有限公司 一种训练序列生成方法、训练序列生成装置及光通信系统
US9338261B2 (en) 2012-09-24 2016-05-10 Intel Corporation Method for rapid PMA alignment in 100GBASE-KP4
US9112722B2 (en) 2012-11-29 2015-08-18 Intel Corporation PMA-size training frame for 100GBASE-KP4
US9647859B2 (en) * 2013-02-22 2017-05-09 Avago Technologies General Ip (Singapore) Pte. Ltd. System and method for link training of a backplane physical layer device operating in simplex mode
US9344146B2 (en) * 2013-03-11 2016-05-17 Intel Corporation De-correlating training pattern sequences between lanes in high-speed multi-lane links and interconnects
US9509438B2 (en) * 2013-09-30 2016-11-29 Intel Corporation Determining a high data rate for backchannel communications for initialization of high-speed networks
US9628220B2 (en) * 2014-04-15 2017-04-18 Broadcom Corporation Remote TX training with a re-timer
US9124455B1 (en) * 2014-09-24 2015-09-01 Intel Corporation Link equalization mechanism
US11018964B2 (en) * 2016-01-19 2021-05-25 Tektronix, Inc. Selective extraction of network link training information
US10469291B2 (en) 2018-03-19 2019-11-05 Dell Products, Lp System and method to optimize equalization coefficients in a high-speed serial interface
US10541841B1 (en) * 2018-09-13 2020-01-21 Advanced Micro Devices, Inc. Hardware transmit equalization for high speed
TWI762820B (zh) * 2019-10-03 2022-05-01 瑞昱半導體股份有限公司 通訊方法及其裝置
CN111431824B (zh) * 2020-04-01 2022-08-12 苏州盛科通信股份有限公司 一种pmd子层链路训练的方法及系统
US11960367B2 (en) * 2021-05-24 2024-04-16 SK Hynix Inc. Peripheral component interconnect express device and operating method thereof
CN114048160B (zh) * 2021-11-08 2024-08-16 上海兆芯集成电路股份有限公司 链路均衡调节系统及链路均衡调节方法
CN115643138B (zh) * 2022-10-25 2025-04-15 苏州盛科通信股份有限公司 链路训练方法、装置、电子设备及计算机可读存储介质

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251328A (en) 1990-12-20 1993-10-05 At&T Bell Laboratories Predistortion technique for communications systems
DE10052279A1 (de) 2000-10-20 2002-04-25 Alcatel Sa Schneller Augenmonitor und Empfänger mit schnellem Augenmonitor
US20040001539A1 (en) * 2002-06-26 2004-01-01 Sankaran Sundar G. Training using overhead data in a wireless communications network
US6961373B2 (en) * 2002-07-01 2005-11-01 Solarflare Communications, Inc. Method and apparatus for channel equalization
US7194025B2 (en) * 2003-06-16 2007-03-20 Harris Corporation Updating adaptive equalizer coefficients using known or predictable bit patterns distributed among unknown data
US7706487B2 (en) * 2003-10-10 2010-04-27 Agere Systems Inc. Method for training a transceiver for high speed communications
US7295618B2 (en) * 2004-06-16 2007-11-13 International Business Machines Corporation Automatic adaptive equalization method and system for high-speed serial transmission link
US7516226B2 (en) 2004-09-30 2009-04-07 Agere Systems Inc. Transmit adaptive equalization using ordered sets
JP4665559B2 (ja) * 2005-03-04 2011-04-06 日本電気株式会社 プリエンファシス調整方法、受信装置、送信装置、及び、信号伝送システム
JP5109278B2 (ja) * 2006-03-30 2012-12-26 日本電気株式会社 プリエンファシス自動調整方法及びデータ伝送システム
US7649933B2 (en) 2006-04-28 2010-01-19 Agere Systems Inc. Method and apparatus for determining a position of an offset latch employed for decision-feedback equalization
US8126039B2 (en) 2006-05-16 2012-02-28 Agere Systems Inc. Methods and apparatus for evaluating the eye margin of a communications device using a data eye monitor
US7852914B2 (en) * 2006-12-20 2010-12-14 Broadcom Corporation Fade equalizer

Also Published As

Publication number Publication date
US8320439B2 (en) 2012-11-27
CN101960804A (zh) 2011-01-26
WO2009111137A2 (en) 2009-09-11
KR20100116645A (ko) 2010-11-01
WO2009111137A3 (en) 2009-12-10
EP2248313A2 (en) 2010-11-10
JP2011521488A (ja) 2011-07-21
US20090219978A1 (en) 2009-09-03

Similar Documents

Publication Publication Date Title
TW200952402A (en) Methods and apparatus for adaptive link partner transmitter equalization
US20050201454A1 (en) System and method for automatically calibrating two-tap and multi-tap equalization for a communications link
US9264270B2 (en) Transition time measurement of PAM4 transmitters
US6912249B2 (en) Method and system for training a radio receiver
KR100920186B1 (ko) 확장된 범위 이더넷 링크 디스커버리 시그널링을 위한 방법및 시스템
US7516226B2 (en) Transmit adaptive equalization using ordered sets
US20150381777A1 (en) Adaptive rate control of nbase-t data transport system
JP2012080559A5 (enExample)
US10560555B2 (en) High-speed interconnect solutions with support for co-propagating and counter-propagating continuous time back channel communication
TWI493888B (zh) 乙太網phy至具有橋接抽頭線的通道的擴展
CN119948813A (zh) 提高通信设备的互操作性
US20090245110A1 (en) System and method for improving equalization in a high speed serdes environment
CN109257142B (zh) 用于执行连续或周期性链路训练的系统、设备和方法
US10715356B2 (en) High-speed interconnect solutions with support for secondary continuous time in-band back channel communication for simplex retimer solutions
US8737461B2 (en) Receiving equalization device in communication system and receiving equalization method
US20190020511A1 (en) High-speed interconnect solutions with support for continuous time in-band back channel communication and proprietary communication speeds
KR102199521B1 (ko) 로버스트 온라인 재구성 및 디지털 가입자 회선을 위한 동기화 프로토콜
US8054875B2 (en) Autoregressive moving average modeling for feedforward and feedback Tomlinson-Harashima precoder filters
US7502338B1 (en) De-emphasis training on a point-to-point connection
US20240195498A1 (en) Optical communication system, optical communication method and non-transitory computer readable medium
JP6299302B2 (ja) 通信装置および通信システム
US8705607B1 (en) Non-disruptive adapter equalizer coefficient update method for active links
CN106374974A (zh) 一种电力线载波通信帧长自适应调整方法和装置