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FR2747872B1 - Dispositif pour obtenir un critere de distorsion a partir d'un signal m-qam - Google Patents

Dispositif pour obtenir un critere de distorsion a partir d'un signal m-qam

Info

Publication number
FR2747872B1
FR2747872B1 FR9704614A FR9704614A FR2747872B1 FR 2747872 B1 FR2747872 B1 FR 2747872B1 FR 9704614 A FR9704614 A FR 9704614A FR 9704614 A FR9704614 A FR 9704614A FR 2747872 B1 FR2747872 B1 FR 2747872B1
Authority
FR
France
Prior art keywords
obtaining
qam signal
distortion criteria
criteria
distortion
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 - Fee Related
Application number
FR9704614A
Other languages
English (en)
Other versions
FR2747872A1 (fr
Inventor
Michael Biester
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2747872A1 publication Critical patent/FR2747872A1/fr
Application granted granted Critical
Publication of FR2747872B1 publication Critical patent/FR2747872B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/01—Equalisers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Noise Elimination (AREA)
FR9704614A 1996-04-17 1997-04-15 Dispositif pour obtenir un critere de distorsion a partir d'un signal m-qam Expired - Fee Related FR2747872B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1996115057 DE19615057C1 (de) 1996-04-17 1996-04-17 Anordnung zum Gewinnen eines Verzerrungskriteriums aus einem M-OAM-Signal

Publications (2)

Publication Number Publication Date
FR2747872A1 FR2747872A1 (fr) 1997-10-24
FR2747872B1 true FR2747872B1 (fr) 1999-07-02

Family

ID=7791462

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9704614A Expired - Fee Related FR2747872B1 (fr) 1996-04-17 1997-04-15 Dispositif pour obtenir un critere de distorsion a partir d'un signal m-qam

Country Status (4)

Country Link
DE (1) DE19615057C1 (fr)
FR (1) FR2747872B1 (fr)
IT (1) IT1290523B1 (fr)
NO (1) NO971739L (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4627071A (en) * 1984-11-09 1986-12-02 Rockwell International Corporation Distortion analyzer for quadrature demodulated data
JPH0377437A (ja) * 1989-08-19 1991-04-03 Fujitsu Ltd トランスバーサル等化による回線切替方式
DE4134206C1 (fr) * 1991-10-16 1992-12-10 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De

Also Published As

Publication number Publication date
FR2747872A1 (fr) 1997-10-24
DE19615057C1 (de) 1997-07-31
ITMI970768A1 (it) 1998-10-03
NO971739D0 (no) 1997-04-16
IT1290523B1 (it) 1998-12-04
NO971739L (no) 1997-10-20

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Legal Events

Date Code Title Description
ST Notification of lapse