KR100661767B1 - Ｐｃｍ 모뎀에서 손실된 비트 신호 전송 식별 - Google Patents

Ｐｃｍ 모뎀에서 손실된 비트 신호 전송 식별 Download PDF

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Publication number
KR100661767B1
KR100661767B1 KR1020017009585A KR20017009585A KR100661767B1 KR 100661767 B1 KR100661767 B1 KR 100661767B1 KR 1020017009585 A KR1020017009585 A KR 1020017009585A KR 20017009585 A KR20017009585 A KR 20017009585A KR 100661767 B1 KR100661767 B1 KR 100661767B1
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South Korea
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slot
distances
levels
threshold
slots
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KR1020017009585A
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English (en)
Korean (ko)
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KR20020002382A (ko
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오큐네브유리
드룩커비타리
황퀸
골드스테인유리
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실리콘 래버래토리즈 , 인코포레이티드
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Application filed by 실리콘 래버래토리즈 , 인코포레이티드 filed Critical 실리콘 래버래토리즈 , 인코포레이티드
Publication of KR20020002382A publication Critical patent/KR20020002382A/ko
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Publication of KR100661767B1 publication Critical patent/KR100661767B1/ko

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • 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
    • H04J3/12—Arrangements providing for calling or supervisory signals
    • H04J3/125—One of the channel pulses or the synchronisation pulse is also used for transmitting monitoring or supervisory signals
KR1020017009585A 1999-01-28 2000-01-18 Ｐｃｍ 모뎀에서 손실된 비트 신호 전송 식별 KR100661767B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/238,302 US6272171B1 (en) 1999-01-28 1999-01-28 Robbed bit signaling identification in a PCM modem
US09/238,302 1999-01-28

Publications (2)

Publication Number Publication Date
KR20020002382A KR20020002382A (ko) 2002-01-09
KR100661767B1 true KR100661767B1 (ko) 2006-12-28

Family

ID=22897316

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020017009585A KR100661767B1 (ko) 1999-01-28 2000-01-18 Ｐｃｍ 모뎀에서 손실된 비트 신호 전송 식별

Country Status (4)

Country Link
US (1) US6272171B1 (US06272171-20010807-M00005.png)
JP (1) JP2003517748A (US06272171-20010807-M00005.png)
KR (1) KR100661767B1 (US06272171-20010807-M00005.png)
WO (1) WO2000045533A1 (US06272171-20010807-M00005.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6512787B1 (en) * 1999-04-23 2003-01-28 Pc-Tel, Inc. Digital impairment learning method and system
US7190727B1 (en) 1999-07-31 2007-03-13 Broadcom Corporation Categorization of impairments affecting a communication channel
US7203248B1 (en) * 1999-07-31 2007-04-10 Broadcom Corporation Impairment sensitive selection of constellation points for communication across a channel
EP1206865B1 (en) 1999-07-31 2011-03-23 AltoCom, Inc. Impairment compensation sequence and related techniques for data communication
US6650657B1 (en) * 1999-10-29 2003-11-18 International Business Machines Corporation Systems, methods and computer program products for identifying digital impairments in modem signals
US7143013B2 (en) * 1999-11-04 2006-11-28 Verticalband, Limited Reliable symbols as a means of improving the performance of information transmission systems
US7110923B2 (en) * 1999-11-04 2006-09-19 Verticalband, Limited Fast, blind equalization techniques using reliable symbols
US7085691B2 (en) * 1999-11-04 2006-08-01 Verticalband, Limited Reliable symbols as a means of improving the performance of information transmission systems
US6751260B1 (en) * 2000-03-16 2004-06-15 Agere Systems, Inc. Detecting superimposed information channels for modem connections
US6687306B1 (en) * 2000-03-16 2004-02-03 Agere Systems Inc. Constellation adjustment based on detected encoding and encoding conversion for modem connections
DE10056256B4 (de) * 2000-11-14 2004-11-25 Promos Technologies, Inc. Neue Technik zur Verbesserung der Kapazität eines tiefen Grabens durch dessen Oberflächenvergrößerung
US6560277B2 (en) 2001-02-09 2003-05-06 Pc Tel, Inc. Distinguishing between final coding of received signals in a PCM modem
US6987782B2 (en) * 2001-04-06 2006-01-17 Agere Systems, Inc. Method and apparatus for detecting robbed bit location in PCM modems and the like
US6871502B2 (en) * 2002-02-15 2005-03-29 America Air Liquide, Inc. Optimized power generation system comprising an oxygen-fired combustor integrated with an air separation unit

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5394437A (en) 1992-10-20 1995-02-28 At&T Corp. High-speed modem synchronized to a remote CODEC
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
CA2182974C (en) 1994-12-09 2000-02-08 Brent Townshend High speed communications system for analog subscriber connections
US5875229A (en) * 1996-10-15 1999-02-23 Motorola Inc. System and device for, and method of, detecting, characterizing, and mitigating deterministic distortion in a communications network
US5926505A (en) * 1996-10-16 1999-07-20 Cirrus Logic, Inc. Device, system, and method for modem communication utilizing two-step mapping
US5812602A (en) * 1996-11-14 1998-09-22 Motorola Inc. System and device for, and method of, communicating according to a trellis code of baseband signals chosen from a fixed set of baseband signal points
US5822371A (en) 1997-02-14 1998-10-13 General Datacomm Inc. Mapper for high data rate signalling
US5825816A (en) 1997-02-14 1998-10-20 General Datacomm, Inc. Spectral and power shaping mapper for high data rate signalling
US5862179A (en) 1997-02-14 1999-01-19 General Datacomm, Inc. Mapper for high data rate signalling
US5862184A (en) 1997-02-14 1999-01-19 General Datacomm, Inc. Mapper for high data rate transmission through channels subject to robbed bit signalling
US5825823A (en) 1997-06-06 1998-10-20 General Datacomm, Inc. PCM channel diagnosis

Also Published As

Publication number Publication date
KR20020002382A (ko) 2002-01-09
US6272171B1 (en) 2001-08-07
JP2003517748A (ja) 2003-05-27
WO2000045533A1 (en) 2000-08-03

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