DE69326832D1 - Fehlerdetektorschaltung und Verfahren für Empfänger zum Empfang von Diskretkodierten Signalen - Google Patents

Fehlerdetektorschaltung und Verfahren für Empfänger zum Empfang von Diskretkodierten Signalen

Info

Publication number
DE69326832D1
DE69326832D1 DE69326832T DE69326832T DE69326832D1 DE 69326832 D1 DE69326832 D1 DE 69326832D1 DE 69326832 T DE69326832 T DE 69326832T DE 69326832 T DE69326832 T DE 69326832T DE 69326832 D1 DE69326832 D1 DE 69326832D1
Authority
DE
Germany
Prior art keywords
receivers
detector circuit
fault detector
encoded signals
discretely encoded
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
DE69326832T
Other languages
English (en)
Other versions
DE69326832T2 (de
Inventor
Joseph Thome
Arvind Arora
Niels Vinggaard
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
Application granted granted Critical
Publication of DE69326832D1 publication Critical patent/DE69326832D1/de
Publication of DE69326832T2 publication Critical patent/DE69326832T2/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
    • 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
    • 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
    • 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
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/007—Unequal error protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE69326832T 1993-01-22 1993-12-23 Fehlerdetektorschaltung und Verfahren für Empfänger zum Empfang von Diskretkodierten Signalen Expired - Lifetime DE69326832T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/007,215 US5497383A (en) 1993-01-22 1993-01-22 Error detector circuit for receiver operative to receive discretely-encoded signals
PCT/US1993/012568 WO1994017472A1 (en) 1993-01-22 1993-12-23 Error detector circuit for receiver operative to receive discretely-encoded signals

Publications (2)

Publication Number Publication Date
DE69326832D1 true DE69326832D1 (de) 1999-11-25
DE69326832T2 DE69326832T2 (de) 2000-04-27

Family

ID=21724879

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69326832T Expired - Lifetime DE69326832T2 (de) 1993-01-22 1993-12-23 Fehlerdetektorschaltung und Verfahren für Empfänger zum Empfang von Diskretkodierten Signalen

Country Status (9)

Country Link
US (1) US5497383A (de)
EP (1) EP0632911B1 (de)
JP (1) JP3382250B2 (de)
CN (1) CN1073768C (de)
AU (1) AU662679B2 (de)
BR (1) BR9306082A (de)
CA (1) CA2117560C (de)
DE (1) DE69326832T2 (de)
WO (1) WO1994017472A1 (de)

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FI944345A (fi) * 1994-09-19 1996-03-20 Nokia Telecommunications Oy Menetelmä virheellisten puhekehysten tunnistamiseksi puhetta välittävän tietoliikennejärjestelmän vastaanottimessa, sekä tietoliikennejärjestelmän vastaanotin
FI950917A (fi) 1995-02-28 1996-08-29 Nokia Telecommunications Oy Puhekoodausparametrien käsittely tietoliikennejärjestelmässä
US5737365A (en) * 1995-10-26 1998-04-07 Motorola, Inc. Method and apparatus for determining a received signal quality estimate of a trellis code modulated signal
FI100566B (fi) * 1996-01-24 1997-12-31 Nokia Telecommunications Oy Kehyksen laadun tunnistamismenetelmä ja vastaanotin
US5815507A (en) * 1996-04-15 1998-09-29 Motorola, Inc. Error detector circuit for digital receiver using variable threshold based on signal quality
JPH09312620A (ja) * 1996-05-23 1997-12-02 Nec Corp 音声データ補間処理装置
FI113600B (fi) * 1996-09-17 2004-05-14 Nokia Corp Signalointi digitaalisessa matkaviestinjärjestelmässä
US6205130B1 (en) * 1996-09-25 2001-03-20 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
US7788092B2 (en) * 1996-09-25 2010-08-31 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
AU6289998A (en) 1997-02-27 1998-09-18 Siemens Aktiengesellschaft Frame-error detection method and device for error masking, specially in gsm transmissions
US6243568B1 (en) * 1997-03-22 2001-06-05 Sharp Laboratories Of America, Inc. System and method for intuitively indicating signal quality in a wireless digital communications network
WO1999014865A1 (en) * 1997-09-15 1999-03-25 Diamond Multimedia Systems, Inc. System and method for data rate adjustments in modem communications
GB2337904B (en) * 1998-05-29 2003-03-12 Nec Technologies Frame erasure for digital data transmision systems
US6418549B1 (en) 1998-10-30 2002-07-09 Merunetworks, Inc. Data transmission using arithmetic coding based continuous error detection
US6298084B1 (en) * 1998-11-24 2001-10-02 Motorola, Inc. Bad frame detector and turbo decoder
US6606726B1 (en) * 2000-06-13 2003-08-12 Telefonaktiebolaget L M Ericsson (Publ) Optimization of acceptance of erroneous codewords and throughput
DE10065937A1 (de) * 2000-11-17 2002-05-23 Rohde & Schwarz Verfahren und Anordnung zum Messen der Bitfehlerrate und/oder Blockfehlerrate eines Mobiltelefons
US7596143B2 (en) * 2004-12-16 2009-09-29 Alcatel-Lucent Usa Inc. Method and apparatus for handling potentially corrupt frames
US7225381B1 (en) 2005-06-02 2007-05-29 Lehman Thomas F Error detection and correction method
US20070071139A1 (en) * 2005-09-23 2007-03-29 Guner Arslan Channel decoding using hard and soft decisions

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305150A (en) * 1979-05-31 1981-12-08 Digital Communications Corporation On-line channel quality monitor for a communication channel
US4718081A (en) * 1986-11-13 1988-01-05 General Electric Company Method and apparatus for reducing handoff errors in a cellular radio telephone communications system
US4910794A (en) * 1988-08-04 1990-03-20 Norand Corporation Mobile radio data communication system and method
US4933765A (en) * 1988-08-30 1990-06-12 General Electric Company Enhanced TV system using transmitted error signals
US5289178A (en) * 1989-10-10 1994-02-22 Motorola, Inc. Sensitivity indicator for a radio receiver and method therefor
US5073940A (en) * 1989-11-24 1991-12-17 General Electric Company Method for protecting multi-pulse coders from fading and random pattern bit errors
US5097507A (en) * 1989-12-22 1992-03-17 General Electric Company Fading bit error protection for digital cellular multi-pulse speech coder
DE69129768T2 (de) * 1990-03-30 1999-02-25 Nec Corp Störungsunempfindlicher Raumdiversityempfänger
JP2621614B2 (ja) * 1990-08-22 1997-06-18 日本電気株式会社 符号誤り検出回路
US5321705A (en) * 1990-11-21 1994-06-14 Motorola, Inc. Error detection system
US5113400A (en) * 1990-11-21 1992-05-12 Motorola, Inc. Error detection system
US5309443A (en) * 1992-06-04 1994-05-03 Motorola, Inc. Dynamic muting method for ADPCM coded speech
US5305323A (en) * 1992-06-25 1994-04-19 Siemens Stromberg-Carlson Technique for digitally detecting bit-error densities that occur in a serial bit stream
US5255343A (en) * 1992-06-26 1993-10-19 Northern Telecom Limited Method for detecting and masking bad frames in coded speech signals
US5331642A (en) * 1992-09-01 1994-07-19 International Business Machines Corporation Management of FDDI physical link errors
US5323421A (en) * 1992-09-30 1994-06-21 Motorola, Inc. Method and apparatus of estimating channel quality in a receiver
US5289473A (en) * 1993-01-28 1994-02-22 At&T Bell Laboratories Method for determining byte error rate

Also Published As

Publication number Publication date
AU662679B2 (en) 1995-09-07
CN1094553A (zh) 1994-11-02
US5497383A (en) 1996-03-05
JP3382250B2 (ja) 2003-03-04
EP0632911A1 (de) 1995-01-11
JPH07505276A (ja) 1995-06-08
DE69326832T2 (de) 2000-04-27
CA2117560A1 (en) 1994-08-04
BR9306082A (pt) 1997-11-18
CN1073768C (zh) 2001-10-24
EP0632911A4 (de) 1997-08-06
EP0632911B1 (de) 1999-10-20
AU5986094A (en) 1994-08-15
CA2117560C (en) 1998-04-28
WO1994017472A1 (en) 1994-08-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 80335 MUENCHEN

8327 Change in the person/name/address of the patent owner

Owner name: MOTOROLA MOBILITY, INC. ( N.D. GES. D. STAATES, US