FR2748169B1 - Circuit detecteur d'erreurs pour recepteur numerique utilisant un seuil variable fonde sur la qualite du signal - Google Patents

Circuit detecteur d'erreurs pour recepteur numerique utilisant un seuil variable fonde sur la qualite du signal

Info

Publication number
FR2748169B1
FR2748169B1 FR9704263A FR9704263A FR2748169B1 FR 2748169 B1 FR2748169 B1 FR 2748169B1 FR 9704263 A FR9704263 A FR 9704263A FR 9704263 A FR9704263 A FR 9704263A FR 2748169 B1 FR2748169 B1 FR 2748169B1
Authority
FR
France
Prior art keywords
signal quality
detector circuit
error detector
threshold based
digital receiver
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
FR9704263A
Other languages
English (en)
Other versions
FR2748169A1 (fr
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.)
Motorola Mobility LLC
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of FR2748169A1 publication Critical patent/FR2748169A1/fr
Application granted granted Critical
Publication of FR2748169B1 publication Critical patent/FR2748169B1/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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/201—Frame classification, e.g. bad, good or erased
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/208—Arrangements for detecting or preventing errors in the information received using signal quality detector involving signal re-encoding
    • 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
    • H04L2001/0098—Unequal error protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Circuits Of Receivers In General (AREA)
FR9704263A 1996-04-15 1997-04-08 Circuit detecteur d'erreurs pour recepteur numerique utilisant un seuil variable fonde sur la qualite du signal Expired - Fee Related FR2748169B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/632,701 US5815507A (en) 1996-04-15 1996-04-15 Error detector circuit for digital receiver using variable threshold based on signal quality

Publications (2)

Publication Number Publication Date
FR2748169A1 FR2748169A1 (fr) 1997-10-31
FR2748169B1 true FR2748169B1 (fr) 2002-01-18

Family

ID=24536573

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9704263A Expired - Fee Related FR2748169B1 (fr) 1996-04-15 1997-04-08 Circuit detecteur d'erreurs pour recepteur numerique utilisant un seuil variable fonde sur la qualite du signal

Country Status (5)

Country Link
US (1) US5815507A (fr)
CN (1) CN1091980C (fr)
FR (1) FR2748169B1 (fr)
GB (1) GB2312359B (fr)
IT (1) IT1291877B1 (fr)

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Also Published As

Publication number Publication date
GB2312359B (en) 2000-07-12
CN1091980C (zh) 2002-10-02
GB9706744D0 (en) 1997-05-21
FR2748169A1 (fr) 1997-10-31
CN1163515A (zh) 1997-10-29
US5815507A (en) 1998-09-29
IT1291877B1 (it) 1999-01-21
GB2312359A (en) 1997-10-22
ITRM970213A1 (it) 1998-10-14

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Owner name: MOTOROLA MOBILITY, INC., US

Effective date: 20110912

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Year of fee payment: 19

ST Notification of lapse

Effective date: 20161230