CN1185840C - 软件型adsl调制解调器中缓冲数据取样的方法及装置 - Google Patents

软件型adsl调制解调器中缓冲数据取样的方法及装置 Download PDF

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Publication number
CN1185840C
CN1185840C CNB008192103A CN00819210A CN1185840C CN 1185840 C CN1185840 C CN 1185840C CN B008192103 A CNB008192103 A CN B008192103A CN 00819210 A CN00819210 A CN 00819210A CN 1185840 C CN1185840 C CN 1185840C
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China
Prior art keywords
buffer
data
samples
data samples
storage capacity
Prior art date
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Expired - Lifetime
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CNB008192103A
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English (en)
Chinese (zh)
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CN1437821A (zh
Inventor
T·L·科尔
C·R·小博斯韦尔
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Advanced Micro Devices Inc
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Advanced Micro Devices Inc
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Publication of CN1437821A publication Critical patent/CN1437821A/zh
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Publication of CN1185840C publication Critical patent/CN1185840C/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/22—Arrangements for preventing the taking of data from a data transmission channel without authorisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Telephonic Communication Services (AREA)
  • Communication Control (AREA)
CNB008192103A 2000-02-28 2000-11-21 软件型adsl调制解调器中缓冲数据取样的方法及装置 Expired - Lifetime CN1185840C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/514,843 US7076016B1 (en) 2000-02-28 2000-02-28 Method and apparatus for buffering data samples in a software based ADSL modem
US09/514,843 2000-02-28

Publications (2)

Publication Number Publication Date
CN1437821A CN1437821A (zh) 2003-08-20
CN1185840C true CN1185840C (zh) 2005-01-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB008192103A Expired - Lifetime CN1185840C (zh) 2000-02-28 2000-11-21 软件型adsl调制解调器中缓冲数据取样的方法及装置

Country Status (7)

Country Link
US (1) US7076016B1 (enExample)
EP (1) EP1260073B1 (enExample)
JP (2) JP2003526264A (enExample)
KR (1) KR100734532B1 (enExample)
CN (1) CN1185840C (enExample)
DE (1) DE60017606T2 (enExample)
WO (1) WO2001065793A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7675851B2 (en) * 2005-11-16 2010-03-09 Cisco Technology, Inc. System and method for synchronizing a back-up device in a communications environment
US20090259672A1 (en) * 2008-04-15 2009-10-15 Qualcomm Incorporated Synchronizing timing mismatch by data deletion

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4823312A (en) 1986-10-30 1989-04-18 National Semiconductor Corp. Asynchronous communications element
US4882754A (en) * 1987-08-25 1989-11-21 Digideck, Inc. Data compression system and method with buffer control
WO1992009142A1 (en) * 1989-06-13 1992-05-29 Utah State University Foundation Method and apparatus for data compression with reduced distortion
US5003558A (en) 1989-10-30 1991-03-26 International Business Machines Corporation Data synchronizing buffers for data processing channels
IL100871A (en) 1991-02-22 1994-11-28 Motorola Inc Apparatus and method for clock rate matching in independent networks
US5323426A (en) 1992-02-21 1994-06-21 Apple Computer, Inc. Elasticity buffer for data/clock synchronization
US5479587A (en) * 1992-09-03 1995-12-26 Hewlett-Packard Company Page printer having adaptive data compression for memory minimization
US5365552A (en) * 1992-11-16 1994-11-15 Intel Corporation Buffer fullness indicator
US5384780A (en) 1993-05-14 1995-01-24 Codex Corporation High speed modem, method and system for achieving synchronous data compression
JPH07170502A (ja) * 1993-12-15 1995-07-04 Sony Corp 受信装置
CA2179194A1 (en) 1993-12-16 1995-06-29 Andrew Wilson Howitt System and method for performing voice compression
JPH07319665A (ja) * 1994-05-23 1995-12-08 Hitachi Ltd 通信制御
JPH08331580A (ja) * 1995-06-02 1996-12-13 Canon Inc 画像処理装置
JP3416403B2 (ja) * 1995-06-30 2003-06-16 三洋電機株式会社 Ｍｐｅｇオーディオデコーダ
US5799064A (en) 1995-08-31 1998-08-25 Motorola, Inc. Apparatus and method for interfacing between a communications channel and a processor for data transmission and reception
US5721830A (en) 1995-09-12 1998-02-24 Pc-Tel, Inc. Host signal processing communication system that compensates for missed execution of signal maintenance procedures
US5946347A (en) 1996-05-31 1999-08-31 Diamond Multimedia Systems Inc. Low latency transport of signals in an error correcting data modem
KR0181485B1 (ko) * 1996-07-10 1999-05-15 삼성전자주식회사 데이터 통신용 데이터 버퍼링 장치
US5681008A (en) 1996-09-26 1997-10-28 Boeing North American, Inc. Remote identification, location and signaling response system
US5903612A (en) 1996-11-08 1999-05-11 Alcatel Alsthom Compagnie Generale D'electricite Method to synchronize data and a transmitter and a receiver realizing said method
US5751741A (en) 1996-11-20 1998-05-12 Motorola, Inc. Rate-adapted communication system and method for efficient buffer utilization thereof
US5929927A (en) * 1996-12-19 1999-07-27 Thomson Consumer Electronics, Inc. Method and apparatus for providing a modulated scroll rate for text display
KR200178376Y1 (ko) * 1996-12-24 2000-10-02 정몽규 유압제어용 스풀 밸브
US6075814A (en) 1997-05-09 2000-06-13 Broadcom Homenetworking, Inc. Method and apparatus for reducing signal processing requirements for transmitting packet-based data with a modem
US6201830B1 (en) 1997-06-11 2001-03-13 Texas Instruments Incorporated Low computation idle transmission method for DSL modems
US6252900B1 (en) 1997-06-30 2001-06-26 Integrated Telecom Express, Inc. Forward compatible and expandable high speed communications system and method of operation
US6021449A (en) * 1997-08-01 2000-02-01 International Business Machines Corporation Video FIFO overflow control method that blocks video encoder data when overflow is imminent and resumes flow when frames sizes have returned to nominal size
US6144695A (en) 1997-12-23 2000-11-07 At&T Corp. Method and apparatus for reducing near-end crosstalk (NEXT) in discrete multi-tone modulator/demodulators
US6052411A (en) 1998-04-06 2000-04-18 3Com Corporation Idle mode for digital subscriber line
US6675054B1 (en) * 1998-04-20 2004-01-06 Sun Microsystems, Inc. Method and apparatus of supporting an audio protocol in a network environment
US6233250B1 (en) 1998-11-13 2001-05-15 Integrated Telecom Express, Inc. System and method for reducing latency in software modem for high-speed synchronous transmission
US6425091B1 (en) 1999-02-03 2002-07-23 Motorola, Inc. Method and apparatus for tolerating scheduling latency and achieving time alignment for transmit and receive signals in high-speed modems implemented on host processors
US6519280B1 (en) 1999-03-02 2003-02-11 Legerity, Inc. Method and apparatus for inserting idle symbols
US6570912B1 (en) * 1999-03-05 2003-05-27 Pctel, Inc. Hybrid software/hardware discrete multi-tone transceiver
US6658027B1 (en) * 1999-08-16 2003-12-02 Nortel Networks Limited Jitter buffer management
KR20010078376A (ko) * 2000-02-08 2001-08-20 루센트 테크놀러지스 인크 프리앰블 검출을 위한 평균화된 샘플 결정 방법
JP4272033B2 (ja) * 2003-10-30 2009-06-03 富士通株式会社 データ再生装置

Also Published As

Publication number Publication date
KR100734532B1 (ko) 2007-07-04
JP5023182B2 (ja) 2012-09-12
EP1260073B1 (en) 2005-01-19
KR20020081376A (ko) 2002-10-26
US7076016B1 (en) 2006-07-11
JP2010213331A (ja) 2010-09-24
DE60017606T2 (de) 2005-12-29
WO2001065793A1 (en) 2001-09-07
DE60017606D1 (de) 2005-02-24
JP2003526264A (ja) 2003-09-02
EP1260073A1 (en) 2002-11-27
CN1437821A (zh) 2003-08-20

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