IL117650A - Modem apparatus - Google Patents

Modem apparatus

Info

Publication number
IL117650A
IL117650A IL11765096A IL11765096A IL117650A IL 117650 A IL117650 A IL 117650A IL 11765096 A IL11765096 A IL 11765096A IL 11765096 A IL11765096 A IL 11765096A IL 117650 A IL117650 A IL 117650A
Authority
IL
Israel
Prior art keywords
modem apparatus
modem
Prior art date
Application number
IL11765096A
Other languages
English (en)
Other versions
IL117650A0 (en
Original Assignee
At & T Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23638185&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL117650(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by At & T Corp filed Critical At & T Corp
Publication of IL117650A0 publication Critical patent/IL117650A0/xx
Publication of IL117650A publication Critical patent/IL117650A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
    • H04L25/4927—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using levels matched to the quantisation levels of the channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Telephonic Communication Services (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Analogue/Digital Conversion (AREA)
  • Communication Control (AREA)
IL11765096A 1995-03-30 1996-03-26 Modem apparatus IL117650A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/413,678 US5828696A (en) 1995-03-30 1995-03-30 Timing recovery in a network-synchronized modem

Publications (2)

Publication Number Publication Date
IL117650A0 IL117650A0 (en) 1996-07-23
IL117650A true IL117650A (en) 1999-08-17

Family

ID=23638185

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11765096A IL117650A (en) 1995-03-30 1996-03-26 Modem apparatus

Country Status (9)

Country Link
US (2) US5828696A (de)
EP (1) EP0735717B1 (de)
JP (1) JP3795125B2 (de)
KR (1) KR100383785B1 (de)
CN (1) CN1134637A (de)
CA (1) CA2170930C (de)
DE (1) DE69633084T2 (de)
IL (1) IL117650A (de)
TW (1) TW293219B (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5970103A (en) 1996-09-06 1999-10-19 Townshend; Brent High speed communications system for analog subscriber connections
US6233275B1 (en) 1994-12-09 2001-05-15 Brent Townshend High speed communications system for analog subscriber connections
JP4291410B2 (ja) 1994-12-09 2009-07-08 ブレント タウンシェンド、 高速データ転送エンコーダ、デコーダ、システム、エンコード方法および復号方法
SE506080C2 (sv) * 1996-02-02 1997-11-10 Ericsson Telefon Ab L M Virtuell tidsslinga
US6069921A (en) * 1997-10-03 2000-05-30 At&T Corporation System and method for reducing quantization noise
US6236677B1 (en) * 1998-11-02 2001-05-22 Ming Chih Hsieh Modem operating with central office clock
EP1001579A1 (de) * 1998-11-10 2000-05-17 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Bestimmung der Eigenschaften eines Übertragungskanals
AU2388400A (en) * 1999-12-27 2001-07-09 Telogy Networks, Inc. Digital modem echo canceler enhancement
TW452956B (en) 2000-01-04 2001-09-01 Siliconware Precision Industries Co Ltd Heat dissipation structure of BGA semiconductor package
KR20020069265A (ko) * 2000-01-25 2002-08-29 어웨어, 인크. 에이디에스엘 모뎀에서 에코 제거기를 갱신하기 위해엘엠에스 방법을 이용하기 위한 시스템 및 방법
US6674794B1 (en) * 2000-02-04 2004-01-06 Motorola, Inc. System and method for sampling phase adjustment by an analog modem
US6754295B1 (en) 2000-04-07 2004-06-22 Comrex Corporation Method and apparatus for synchronizing data transmission and reception over a network
RU2214689C2 (ru) * 2001-05-28 2003-10-20 Федеральное государственное унитарное предприятие "Калужский научно-исследовательский институт телемеханических устройств" Способ кодовой цикловой синхронизации
US7346135B1 (en) 2002-02-13 2008-03-18 Marvell International, Ltd. Compensation for residual frequency offset, phase noise and sampling phase offset in wireless networks
RU2259638C1 (ru) * 2004-04-06 2005-08-27 Федеральное государственное унитарное предприятие "Калужский научно-исследовательский институт телемеханических устройств" Устройство адаптивной кодовой цикловой синхронизации
RU2298879C1 (ru) * 2005-11-15 2007-05-10 Федеральное государственное учреждение "Федеральный государственный научно-исследовательский испытательный центр радиоэлектронной борьбы и оценки эффективности снижения заметности" Министерства обороны Российской Федерации (ФГУ "ФГНИИЦ РЭБ ОЭСЗ" Минобороны России) Способ цикловой синхронизации
RU2302701C1 (ru) * 2005-11-17 2007-07-10 Федеральное государственное унитарное предприятие "Калужский научно-исследовательский институт телемеханических устройств" Устройство кодовой цикловой синхронизации
DE102006030977A1 (de) * 2006-07-03 2008-02-07 Deutsche Thomson-Brandt Gmbh Datenübertragungsverfahren und Gerät zur Durchführung des Verfahrens
RU2342795C2 (ru) * 2007-02-26 2008-12-27 Федеральное государственное унитарное предприятие "Калужский научно-исследовательский институт телемеханических устройств" Способ цикловой синхронизации блоков информации для диапазона фиксированных скоростей работы в канале связи
RU2342796C1 (ru) * 2007-04-02 2008-12-27 Федеральное государственное унитарное предприятие "Калужский научно-исследовательский институт телемеханических устройств" Способ кодовой цикловой синхронизации
FI121770B (fi) 2007-05-28 2011-03-31 Tellabs Oy Menetelmä ja järjestely tahdistusinformaation siirtämiseksi
RU2348117C1 (ru) * 2007-05-28 2009-02-27 Федеральный научно-производственный центр Открытое акционерное общество "Научно-производственное объединение "Марс" Устройство для цикловой синхронизации
RU2359414C1 (ru) * 2007-10-30 2009-06-20 Государственное образовательное учреждение высшего профессионального образования-Череповецкий военный инженерный институт радиоэлектроники Министерства обороны Российской Федерации Способ кодовой цикловой синхронизации
RU2383104C2 (ru) * 2008-08-13 2010-02-27 Федеральное государственное унитарное предприятие "Калужский научно-исследовательский институт телемеханических устройств" Устройство кодовой цикловой синхронизации
RU2401512C1 (ru) * 2009-03-16 2010-10-10 Федеральное государственное унитарное предприятие "Калужский научно-исследовательский институт телемеханических устройств" Способ кодовой цикловой синхронизации

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4947044B1 (de) * 1968-05-10 1974-12-13
US3991379A (en) * 1975-06-03 1976-11-09 United Technologies Corporation Logic level decoding circuit
US4264973A (en) * 1978-12-13 1981-04-28 Minnesota Mining And Manufacturing Company Circuitry for transmitting clock information with pulse signals and for recovering such clock information
US4243930A (en) * 1979-05-23 1981-01-06 Lynch Communication Systems, Inc. Method and means for transmitting low speed signals over a PCM framing code
JPS55162679A (en) * 1979-06-06 1980-12-18 Matsushita Electric Ind Co Ltd Sampling clock reproducing unit
IT1128766B (it) * 1980-04-04 1986-06-04 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la sincronizzazione di trama di un segnale di informazione supplementare trasmesso a divisione di livello
US4420842A (en) * 1981-07-29 1983-12-13 Kuhn Loughrey R Fiber optic digital data transmitting system
JPS59107673A (ja) * 1982-12-13 1984-06-21 Nippon Telegr & Teleph Corp <Ntt> パルス伝送方式
JPH0614627B2 (ja) * 1985-06-04 1994-02-23 富士通株式会社 モデムのトレーニング方法
JPS62298255A (ja) * 1986-06-18 1987-12-25 Fujitsu Ltd 識別装置
JP2724145B2 (ja) * 1987-03-24 1998-03-09 株式会社日立製作所 搬送波再生装置
US4764941A (en) * 1987-05-22 1988-08-16 American Telephone And Telegraph Company, At&T Bell Laboratories Digital frame synchronizer
FI83007C (fi) * 1989-10-05 1991-05-10 Nokia Data Systems Digitalt dataoeverfoeringssystem.
US5426655A (en) * 1991-07-16 1995-06-20 International Business Machines Corporation Method and apparatus for magnetic recording of data
US5331670A (en) * 1992-01-31 1994-07-19 At&T Bell Laboratories Synchronization scheme for a digital communications system
US5528626A (en) * 1992-03-30 1996-06-18 International Business Machines Corporation Method and system for modem command processing during data transfer
US5335228A (en) * 1992-09-30 1994-08-02 At&T Bell Laboratories Synchronization related to data streams
US5394437A (en) * 1992-10-20 1995-02-28 At&T Corp. High-speed modem synchronized to a remote CODEC
JPH06244878A (ja) * 1993-02-18 1994-09-02 Fujitsu Ltd 変復調装置
JPH06244879A (ja) * 1993-02-19 1994-09-02 Fujitsu Ltd 特殊トレーニングパターンを用いた変復調方式
US5406583A (en) * 1993-06-21 1995-04-11 At&T Corp. Modem with received signals and transmitted signals comprising signal sets
US5528625A (en) * 1994-01-03 1996-06-18 At&T Corp. High speed quantization-level-sampling modem with equalization arrangement
GB2287622B (en) * 1994-03-17 1998-10-28 Nissan Motor Multiplex serial data communication circuit network and method and motor control system and method using multiplex serial data communication circuit network
US5553100A (en) * 1994-04-01 1996-09-03 National Semiconductor Corporation Fully digital data separator and frequency multiplier
US5598443A (en) * 1994-05-23 1997-01-28 At&T Global Information Solutions Company (Aka Ncr Corporation) Method and apparatus for separating data and clock from a digital data stream
JP2731722B2 (ja) * 1994-05-26 1998-03-25 日本電気株式会社 クロック周波数自動制御方式及びそれに用いる送信装置と受信装置
US5581585A (en) * 1994-10-21 1996-12-03 Level One Communications, Inc. Phase-locked loop timing recovery circuit

Also Published As

Publication number Publication date
KR100383785B1 (ko) 2003-07-18
DE69633084D1 (de) 2004-09-16
EP0735717A2 (de) 1996-10-02
CA2170930C (en) 2002-01-29
CA2170930A1 (en) 1996-10-01
CN1134637A (zh) 1996-10-30
US6094452A (en) 2000-07-25
US5828696A (en) 1998-10-27
EP0735717A3 (de) 1999-04-28
TW293219B (de) 1996-12-11
JPH08288935A (ja) 1996-11-01
JP3795125B2 (ja) 2006-07-12
DE69633084T2 (de) 2005-07-28
IL117650A0 (en) 1996-07-23
EP0735717B1 (de) 2004-08-11
MX9601092A (es) 1997-07-31
KR970068288A (ko) 1997-10-13

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