FI934480A0 - Menetelmä huonon GSM-puhekehyksen tunnistamiseksi - Google Patents

Menetelmä huonon GSM-puhekehyksen tunnistamiseksi

Info

Publication number
FI934480A0
FI934480A0 FI934480A FI934480A FI934480A0 FI 934480 A0 FI934480 A0 FI 934480A0 FI 934480 A FI934480 A FI 934480A FI 934480 A FI934480 A FI 934480A FI 934480 A0 FI934480 A0 FI 934480A0
Authority
FI
Finland
Prior art keywords
bad
speech frame
identifying
gsm speech
gsm
Prior art date
Application number
FI934480A
Other languages
English (en)
Swedish (sv)
Other versions
FI934480A (fi
FI94810B (fi
FI94810C (fi
Inventor
Ilkka Heikkilae
Harri Jokinen
Jukka Ranta
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI934480A priority Critical patent/FI94810C/fi
Publication of FI934480A0 publication Critical patent/FI934480A0/fi
Priority to US08/322,445 priority patent/US5557639A/en
Priority to DE69430894T priority patent/DE69430894T2/de
Priority to AT94202943T priority patent/ATE220268T1/de
Priority to EP94202943A priority patent/EP0648032B1/en
Priority to JP24544494A priority patent/JP4125386B2/ja
Publication of FI934480A publication Critical patent/FI934480A/fi
Publication of FI94810B publication Critical patent/FI94810B/fi
Application granted granted Critical
Publication of FI94810C publication Critical patent/FI94810C/fi

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Radio Transmission System (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Noise Elimination (AREA)
FI934480A 1993-10-11 1993-10-11 Menetelmä huonon GSM-puhekehyksen tunnistamiseksi FI94810C (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI934480A FI94810C (fi) 1993-10-11 1993-10-11 Menetelmä huonon GSM-puhekehyksen tunnistamiseksi
US08/322,445 US5557639A (en) 1993-10-11 1994-10-05 Enhanced decoder for a radio telephone
DE69430894T DE69430894T2 (de) 1993-10-11 1994-10-11 Schaltung zur Signalqualitätsbestimmung für Empfänger im GSM-System
AT94202943T ATE220268T1 (de) 1993-10-11 1994-10-11 Schaltung zur signalqualitätsbestimmung für empfänger im gsm-system
EP94202943A EP0648032B1 (en) 1993-10-11 1994-10-11 A signal quality detecting circuit and method for receivers in the GSM system
JP24544494A JP4125386B2 (ja) 1993-10-11 1994-10-11 無線電話用復号器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI934480A FI94810C (fi) 1993-10-11 1993-10-11 Menetelmä huonon GSM-puhekehyksen tunnistamiseksi
FI934480 1993-10-11

Publications (4)

Publication Number Publication Date
FI934480A0 true FI934480A0 (fi) 1993-10-11
FI934480A FI934480A (fi) 1995-04-12
FI94810B FI94810B (fi) 1995-07-14
FI94810C FI94810C (fi) 1995-10-25

Family

ID=8538749

Family Applications (1)

Application Number Title Priority Date Filing Date
FI934480A FI94810C (fi) 1993-10-11 1993-10-11 Menetelmä huonon GSM-puhekehyksen tunnistamiseksi

Country Status (6)

Country Link
US (1) US5557639A (fi)
EP (1) EP0648032B1 (fi)
JP (1) JP4125386B2 (fi)
AT (1) ATE220268T1 (fi)
DE (1) DE69430894T2 (fi)
FI (1) FI94810C (fi)

Families Citing this family (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2290201B (en) * 1994-06-09 1998-03-04 Motorola Ltd Communications system
FI944345A (fi) * 1994-09-19 1996-03-20 Nokia Telecommunications Oy Menetelmä virheellisten puhekehysten tunnistamiseksi puhetta välittävän tietoliikennejärjestelmän vastaanottimessa, sekä tietoliikennejärjestelmän vastaanotin
US6334219B1 (en) 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
US5706282A (en) * 1994-11-28 1998-01-06 Lucent Technologies Inc. Asymmetric speech coding for a digital cellular communications system
FI97182C (fi) * 1994-12-05 1996-10-25 Nokia Telecommunications Oy Menetelmä vastaanotettujen huonojen puhekehysten korvaamiseksi digitaalisessa vastaanottimessa sekä digitaalisen tietoliikennejärjestelmän vastaanotin
US5768291A (en) * 1994-12-29 1998-06-16 Motorola, Inc. Method and apparatus for error mitigating a received communication signal
USRE42236E1 (en) 1995-02-06 2011-03-22 Adc Telecommunications, Inc. Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
US7280564B1 (en) 1995-02-06 2007-10-09 Adc Telecommunications, Inc. Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing
JP2838994B2 (ja) * 1995-12-27 1998-12-16 日本電気株式会社 データ信号受信装置
FI112895B (fi) * 1996-02-23 2004-01-30 Nokia Corp Menetelmä ainakin yhden käyttäjäkohtaisen tunnistetiedon hankkimiseksi
US6170073B1 (en) 1996-03-29 2001-01-02 Nokia Mobile Phones (Uk) Limited Method and apparatus for error detection in digital communications
US5815507A (en) * 1996-04-15 1998-09-29 Motorola, Inc. Error detector circuit for digital receiver using variable threshold based on signal quality
JP3340618B2 (ja) * 1996-04-19 2002-11-05 松下電器産業株式会社 誤り検出方法
US5778317A (en) * 1996-05-13 1998-07-07 Harris Corporation Method for allocating channels in a radio network using a genetic algorithm
JPH09312620A (ja) * 1996-05-23 1997-12-02 Nec Corp 音声データ補間処理装置
US5802076A (en) * 1996-05-24 1998-09-01 National Semiconductor Corporation Audio error mitigation technique for a TDMA communication system
US6101176A (en) * 1996-07-24 2000-08-08 Nokia Mobile Phones Method and apparatus for operating an indoor CDMA telecommunications system
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
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
GB2317788B (en) 1996-09-26 2001-08-01 Nokia Mobile Phones Ltd Communication device
GB2318029B (en) * 1996-10-01 2000-11-08 Nokia Mobile Phones Ltd Audio coding method and apparatus
US6154499A (en) * 1996-10-21 2000-11-28 Comsat Corporation Communication systems using nested coder and compatible channel coding
US5909465A (en) * 1996-12-05 1999-06-01 Ericsson Inc. Method and apparatus for bidirectional demodulation of digitally modulated signals
FI116181B (fi) * 1997-02-07 2005-09-30 Nokia Corp Virheenkorjausta ja virheentunnistusta hyödyntävä informaationkoodausm enetelmä ja laitteet
DE19706749C1 (de) * 1997-02-20 1998-08-13 Siemens Ag Verfahren und Einrichtung zur Erkennung von Funkblöcken mit Übertragungsfehlern in einem Funk-Kommunikationssystem
WO1998038764A1 (de) 1997-02-27 1998-09-03 Siemens Aktiengesellschaft Verfahren und anordnung zur rahmenfehlerdetektion zwecks fehlerverdeckung insbesondere bei gsm übertragungen
JP3198969B2 (ja) * 1997-03-28 2001-08-13 日本電気株式会社 デジタル音声無線伝送システム、デジタル音声無線送信装置およびデジタル音声無線受信再生装置
FI112894B (fi) 1997-04-10 2004-01-30 Nokia Corp Menetelmä kehysvirhetodennäköisyyden pienentämiseksi tietokehysmuotoisessa tiedonsiirrossa
US6522696B1 (en) * 1997-04-11 2003-02-18 Agere Systems Inc. Adaptive frequency correction in a wireless communications system, such as for GSM and IS54
FI102647B1 (fi) * 1997-04-22 1999-01-15 Nokia Mobile Phones Ltd Ohjelmoitava vahvistin
US6157830A (en) * 1997-05-22 2000-12-05 Telefonaktiebolaget Lm Ericsson Speech quality measurement in mobile telecommunication networks based on radio link parameters
GB2326308B (en) 1997-06-06 2002-06-26 Nokia Mobile Phones Ltd Method and apparatus for controlling time diversity in telephony
US6286122B1 (en) * 1997-07-03 2001-09-04 Nokia Mobile Phones Limited Method and apparatus for transmitting DTX—low state information from mobile station to base station
FI104527B (fi) 1997-09-17 2000-02-15 Nokia Mobile Phones Ltd Mukautuva radiolinkki
US6389066B1 (en) * 1997-09-21 2002-05-14 Lucent Technologies Inc. System and method for adaptive modification of modulated and coded schemes in a communication system
US6012025A (en) * 1998-01-28 2000-01-04 Nokia Mobile Phones Limited Audio coding method and apparatus using backward adaptive prediction
FI108825B (fi) 1998-03-16 2002-03-28 Nokia Corp Menetelmä estimoida kanavan bittivirhesuhde ja vastaanotin
FI105634B (fi) 1998-04-30 2000-09-15 Nokia Mobile Phones Ltd Menetelmä videokuvien siirtämiseksi, tiedonsiirtojärjestelmä ja multimediapäätelaite
GB2337904B (en) * 1998-05-29 2003-03-12 Nec Technologies Frame erasure for digital data transmision systems
DE59913231D1 (de) * 1998-05-29 2006-05-11 Siemens Ag Verfahren und anordnung zur fehlerverdeckung
FI981508A (fi) 1998-06-30 1999-12-31 Nokia Mobile Phones Ltd Menetelmä, laite ja järjestelmä käyttäjän tilan arvioimiseksi
GB2339123B (en) * 1998-07-03 2003-03-26 Nec Technologies Frame erasure for digital transmission systems
GB9817292D0 (en) 1998-08-07 1998-10-07 Nokia Mobile Phones Ltd Digital video coding
FI105635B (fi) 1998-09-01 2000-09-15 Nokia Mobile Phones Ltd Menetelmä taustakohinainformaation lähettämiseksi tietokehysmuotoisessa tiedonsiirrossa
DE19844702C2 (de) * 1998-09-29 2002-11-21 Siemens Ag Verfahren, Empfangseinrichtung und Funkstation zur Erkennung eines Nutzdatenblocks mit fehlerhaften Nutzdatensymbolen
US6216107B1 (en) * 1998-10-16 2001-04-10 Ericsson Inc. High-performance half-rate encoding apparatus and method for a TDM system
US6408418B1 (en) * 1998-10-29 2002-06-18 Lucent Technologies Inc. Reduced-state device and method for decoding data
FR2786636B1 (fr) * 1998-11-26 2001-05-04 Cit Alcatel Procede de reception de signaux, notamment de signaux de signalisation
US6311154B1 (en) 1998-12-30 2001-10-30 Nokia Mobile Phones Limited Adaptive windows for analysis-by-synthesis CELP-type speech coding
GB2348087B (en) * 1999-03-13 2003-08-13 Nec Technologies Detection of unreliable frames in digital data transmission systems
US6330700B1 (en) 1999-05-18 2001-12-11 Omnipoint Corporation Out-of-band forward error correction
US6314535B1 (en) 1999-05-18 2001-11-06 Xircom Wireless, Inc. Dynamic forward error correction
US7167683B2 (en) * 1999-08-09 2007-01-23 Broadcom Corporation Bad frame indicator for radio telephone receivers
US6775521B1 (en) * 1999-08-09 2004-08-10 Broadcom Corporation Bad frame indicator for radio telephone receivers
GB0008119D0 (en) * 2000-04-03 2000-05-24 Nokia Networks Oy Estimating communication quality
EP1187100A1 (en) 2000-09-06 2002-03-13 Koninklijke KPN N.V. A method and a device for objective speech quality assessment without reference signal
DE10142846A1 (de) * 2001-08-29 2003-03-20 Deutsche Telekom Ag Verfahren zur Korrektur von gemessenen Sprachqualitätswerten
GB2381712A (en) * 2001-10-31 2003-05-07 Ubinetics Assessing quality of channels in communications systems
GB2396083A (en) * 2002-12-03 2004-06-09 Matsushita Electric Ind Co Ltd Frame error detection
GB2420945B (en) * 2003-04-22 2006-12-06 Spinvox Ltd A method of providing voicemails to a mobile telephone
US7127663B2 (en) * 2003-08-28 2006-10-24 Qualcomm Incorporate Bad frame indicator for radio-telephone receivers in GSM mobile systems
TW200529605A (en) 2004-02-20 2005-09-01 Airgo Networks Inc Adaptive packet detection for detecting packets in a wireless medium
DE602004004376T2 (de) * 2004-05-28 2007-05-24 Alcatel Anpassungsverfahren für ein Mehrraten-Sprach-Codec
EP1603265A3 (en) * 2004-06-02 2008-06-25 Samsung Electronics Co., Ltd. Apparatus and method for detecting a time division multiplexing frame in a mobile communication system
US7672256B2 (en) * 2005-08-29 2010-03-02 Interdigital Technology Corporation Wireless communication method and apparatus for generating a serving grant based on a received relative grant
US7434117B1 (en) * 2005-10-28 2008-10-07 Mediatek Inc. Method and apparatus of determining bad frame indication for speech service in a wireless communication system
JP4852616B2 (ja) * 2005-11-09 2012-01-11 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 無線通信ネットワークにおける無線資源の選択
US8976944B2 (en) * 2006-02-10 2015-03-10 Nuance Communications, Inc. Mass-scale, user-independent, device-independent voice messaging system
CA2641853C (en) * 2006-02-10 2016-02-02 Spinvox Limited A mass-scale, user-independent, device-independent, voice messaging system
AU2008204404B2 (en) 2007-01-09 2013-05-30 Spinvox Limited Detection of unanswered call in order to give calling party the option to alternatively dictate a text message for delivery to the called party
US20090041168A1 (en) * 2007-08-06 2009-02-12 Mediaphy Corporation Harmonics avoidance
CN101188484B (zh) * 2007-12-14 2011-11-02 华为技术有限公司 检测坏帧的方法和装置
US8879643B2 (en) 2008-04-15 2014-11-04 Qualcomm Incorporated Data substitution scheme for oversampled data
US10365969B2 (en) 2011-11-01 2019-07-30 International Business Machines Corporation Multiple wireless communication systems stream slices based on geography
US9798616B2 (en) * 2011-11-01 2017-10-24 International Business Machines Corporation Wireless sending a set of encoded data slices

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8327084D0 (en) * 1983-10-11 1983-11-09 Gordon J Error correction decoder apparatus
IT1211612B (it) * 1987-12-22 1989-11-03 Esercizio Delle Telecomunicazi Procedimento e dispositivo di decodifica con rivelazione di cancellature per sistemi di trasmissione multilivello
JPH0626343B2 (ja) * 1988-12-16 1994-04-06 日本電気株式会社 変復調装置のデータ伝送速度自動切替方式
JPH02299324A (ja) * 1989-05-15 1990-12-11 Mitsubishi Electric Corp 音声符号化装置
DE4001592A1 (de) * 1989-10-25 1991-05-02 Philips Patentverwaltung Empfaenger fuer digitales uebertragungssystem
US5375129A (en) * 1990-07-19 1994-12-20 Technophone Limited Maximum likelihood sequence detector
JP2621614B2 (ja) * 1990-08-22 1997-06-18 日本電気株式会社 符号誤り検出回路
FI98104C (fi) * 1991-05-20 1997-04-10 Nokia Mobile Phones Ltd Menetelmä herätevektorin generoimiseksi ja digitaalinen puhekooderi
SG47627A1 (en) * 1991-06-03 1998-04-17 British Telecomm Radio system
US5214687A (en) * 1991-06-05 1993-05-25 Nokia Mobile Phones Ltd. Method to determine transmission quality
GB2260244B (en) * 1991-10-04 1995-04-05 Technophone Ltd Digital radio receiver
FI90477C (fi) * 1992-03-23 1994-02-10 Nokia Mobile Phones Ltd Puhesignaalin laadun parannusmenetelmä lineaarista ennustusta käyttävään koodausjärjestelmään
US5396653A (en) * 1992-06-05 1995-03-07 Nokia Mobile Phones Ltd. Cellular telephone signalling circuit operable with different cellular telephone systems
SE470372B (sv) * 1992-06-23 1994-01-31 Ericsson Telefon Ab L M Metod jämte anordning att uppskatta kvaliten vid ramfelsdetektering i mottagaren hos ett radiokommunikationssystem
FI91579C (fi) * 1992-08-20 1994-07-11 Nokia Mobile Phones Ltd Dekoodaus käyttäen lineaarista metriciä ja häiriön estimointia

Also Published As

Publication number Publication date
FI934480A (fi) 1995-04-12
ATE220268T1 (de) 2002-07-15
FI94810B (fi) 1995-07-14
JPH07162362A (ja) 1995-06-23
JP4125386B2 (ja) 2008-07-30
FI94810C (fi) 1995-10-25
EP0648032A1 (en) 1995-04-12
DE69430894T2 (de) 2003-02-20
DE69430894D1 (de) 2002-08-08
US5557639A (en) 1996-09-17
EP0648032B1 (en) 2002-07-03

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Owner name: NOKIA MOBILE PHONES LTD.

BB Publication of examined application
MA Patent expired