TW332367B - Cooperative feedback system and method for a compensation system associated with a transmitter or codec - Google Patents

Cooperative feedback system and method for a compensation system associated with a transmitter or codec

Info

Publication number
TW332367B
TW332367B TW086107907A TW86107907A TW332367B TW 332367 B TW332367 B TW 332367B TW 086107907 A TW086107907 A TW 086107907A TW 86107907 A TW86107907 A TW 86107907A TW 332367 B TW332367 B TW 332367B
Authority
TW
Taiwan
Prior art keywords
digital data
transmitter
data frames
digital
compensation
Prior art date
Application number
TW086107907A
Other languages
English (en)
Inventor
Williamlewis Betts
Keith Alan Souders
Original Assignee
Paradyne Corportaion
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 Paradyne Corportaion filed Critical Paradyne Corportaion
Application granted granted Critical
Publication of TW332367B publication Critical patent/TW332367B/zh

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B14/00Transmission systems not characterised by the medium used for transmission
    • H04B14/02Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046Systems or methods for reducing noise or bandwidth
    • H04B14/048Non linear compression or expansion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/12Arrangements providing for calling or supervisory signals
    • H04J3/125One of the channel pulses or the synchronisation pulse is also used for transmitting monitoring or supervisory signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/38Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40Transmitting circuits; Receiving circuits
    • H04L25/49Transmitting 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
    • H04L25/4917Transmitting 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
    • H04L25/4927Transmitting 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Nonlinear Science (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
TW086107907A 1996-08-23 1997-06-07 Cooperative feedback system and method for a compensation system associated with a transmitter or codec TW332367B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/697,371 US5754594A (en) 1996-08-23 1996-08-23 Cooperative feedback system and method for a compensation system associated with a transmitter or codec

Publications (1)

Publication Number Publication Date
TW332367B true TW332367B (en) 1998-05-21

Family

ID=24800878

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086107907A TW332367B (en) 1996-08-23 1997-06-07 Cooperative feedback system and method for a compensation system associated with a transmitter or codec

Country Status (5)

Country Link
US (2) US5754594A (zh)
EP (1) EP0920750B1 (zh)
DE (1) DE69736181T2 (zh)
TW (1) TW332367B (zh)
WO (1) WO1998008318A1 (zh)

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US6816545B1 (en) 1999-10-29 2004-11-09 International Business Machines Corporation Systems, methods and computer program products for identifying digital impairments in modems based on clusters and/or skips in pulse code modulation signal levels
US6662322B1 (en) 1999-10-29 2003-12-09 International Business Machines Corporation Systems, methods, and computer program products for controlling the error rate in a communication device by adjusting the distance between signal constellation points
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Also Published As

Publication number Publication date
US5754594A (en) 1998-05-19
EP0920750A1 (en) 1999-06-09
EP0920750A4 (en) 2003-06-04
WO1998008318A1 (en) 1998-02-26
US5930300A (en) 1999-07-27
DE69736181T2 (de) 2007-05-03
EP0920750B1 (en) 2006-06-21
DE69736181D1 (de) 2006-08-03

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