DE69811486D1 - Verfahren zur Erzeugung von PCM-Kodesets - Google Patents

Verfahren zur Erzeugung von PCM-Kodesets

Info

Publication number
DE69811486D1
DE69811486D1 DE69811486T DE69811486T DE69811486D1 DE 69811486 D1 DE69811486 D1 DE 69811486D1 DE 69811486 T DE69811486 T DE 69811486T DE 69811486 T DE69811486 T DE 69811486T DE 69811486 D1 DE69811486 D1 DE 69811486D1
Authority
DE
Germany
Prior art keywords
code sets
pcm code
generating pcm
generating
sets
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69811486T
Other languages
English (en)
Other versions
DE69811486T2 (de
Inventor
Gerald Hoefer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intel Germany Holding GmbH
Original Assignee
Infineon Technologies AG
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 Infineon Technologies AG filed Critical Infineon Technologies AG
Publication of DE69811486D1 publication Critical patent/DE69811486D1/de
Application granted granted Critical
Publication of DE69811486T2 publication Critical patent/DE69811486T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
DE69811486T 1998-07-30 1998-07-30 Verfahren zur Erzeugung von PCM-Kodesets Expired - Lifetime DE69811486T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98114325A EP0977410B1 (de) 1998-07-30 1998-07-30 Verfahren zur Erzeugung von PCM-Kodesets

Publications (2)

Publication Number Publication Date
DE69811486D1 true DE69811486D1 (de) 2003-03-27
DE69811486T2 DE69811486T2 (de) 2003-10-02

Family

ID=8232377

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69811486T Expired - Lifetime DE69811486T2 (de) 1998-07-30 1998-07-30 Verfahren zur Erzeugung von PCM-Kodesets

Country Status (3)

Country Link
US (1) US6563878B1 (de)
EP (1) EP0977410B1 (de)
DE (1) DE69811486T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6724814B1 (en) * 1999-06-24 2004-04-20 Intel Corporation Pad and CODEC detection
US6785326B1 (en) 2000-08-07 2004-08-31 Freescale Semiconductor, Inc. Method and apparatus for detecting and compensating digital losses in a communications network

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT980928B (it) * 1973-04-30 1974-10-10 Cselt Centro Studi Lab Telecom Apparecchiature di utente e di in gresso ad una centrale pcm per la trasmissione di dati ad alta velo cita
DE69532919T2 (de) * 1994-12-09 2005-04-14 Townshend, Brent, Menlo Park Schnelles vermittlungssystem für analoge teilnehmeranschlüsse
SE515760C2 (sv) * 1996-09-27 2001-10-08 Telia Ab Förbättringar av eller avseende dataöverföring
EP0919087A4 (de) * 1997-01-17 2001-08-16 Motorola Inc System, einrichtung und verfahren zur vermittlung nach einem zusammengesetzen kode
EP1701498B1 (de) * 1997-02-20 2009-04-15 Brent Townshend Schnelles Kommunikationssystem für analoge Teilnehmeranschlüsse
US6327301B1 (en) * 1997-03-03 2001-12-04 Vocal Technologies, Ltd. Detection and adaptation to digital network impairments by PCM modems
US6480549B1 (en) * 1997-04-08 2002-11-12 Vocal Technologies, Ltd. Method for determining attenuation in a digital PCM channel
US5831561A (en) * 1997-04-29 1998-11-03 Lucent Technologies Inc. System and method for dynamically optimizing a symbol table and modem employing the same
US5825823A (en) * 1997-06-06 1998-10-20 General Datacomm, Inc. PCM channel diagnosis
US6163570A (en) * 1998-05-11 2000-12-19 Conexant Systems, Inc. Methods and apparatus for verifying transmit power levels in a signal point limited transmission system

Also Published As

Publication number Publication date
US6563878B1 (en) 2003-05-13
EP0977410A1 (de) 2000-02-02
EP0977410B1 (de) 2003-02-19
DE69811486T2 (de) 2003-10-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: LANTIQ DEUTSCHLAND GMBH, 85579 NEUBIBERG, DE