ATE373905T1 - Indikator für falsche rahmen in einem gsm- mobilsystem - Google Patents

Indikator für falsche rahmen in einem gsm- mobilsystem

Info

Publication number
ATE373905T1
ATE373905T1 AT04782074T AT04782074T ATE373905T1 AT E373905 T1 ATE373905 T1 AT E373905T1 AT 04782074 T AT04782074 T AT 04782074T AT 04782074 T AT04782074 T AT 04782074T AT E373905 T1 ATE373905 T1 AT E373905T1
Authority
AT
Austria
Prior art keywords
speech frame
snr
signal quality
receive signal
value
Prior art date
Application number
AT04782074T
Other languages
English (en)
Inventor
Mohammad J Mohseni
Roland Rick
Faraz Faheem
Helena Dierdre O'shea
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE373905T1 publication Critical patent/ATE373905T1/de

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/26—Monitoring; Testing of receivers using historical data, averaging values or statistics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • 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
    • H04L1/0059—Convolutional 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection 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
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • 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
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H04B17/327—Received signal code power [RSCP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
AT04782074T 2003-08-28 2004-08-24 Indikator für falsche rahmen in einem gsm- mobilsystem ATE373905T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/650,865 US7127663B2 (en) 2003-08-28 2003-08-28 Bad frame indicator for radio-telephone receivers in GSM mobile systems

Publications (1)

Publication Number Publication Date
ATE373905T1 true ATE373905T1 (de) 2007-10-15

Family

ID=34217251

Family Applications (2)

Application Number Title Priority Date Filing Date
AT07014010T ATE417426T1 (de) 2003-08-28 2004-08-24 Indikator für falsche rahmen in einem mobilen gsm-system
AT04782074T ATE373905T1 (de) 2003-08-28 2004-08-24 Indikator für falsche rahmen in einem gsm- mobilsystem

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT07014010T ATE417426T1 (de) 2003-08-28 2004-08-24 Indikator für falsche rahmen in einem mobilen gsm-system

Country Status (10)

Country Link
US (1) US7127663B2 (de)
EP (2) EP1848140B1 (de)
JP (1) JP4522999B2 (de)
AT (2) ATE417426T1 (de)
CA (1) CA2536483A1 (de)
DE (2) DE602004018401D1 (de)
ES (2) ES2318810T3 (de)
HK (2) HK1092622A1 (de)
RU (1) RU2369022C2 (de)
WO (1) WO2005025121A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005049812A1 (en) * 2003-11-19 2005-06-02 Australian Stem Cell Centre Limited Methods for producing blood products from pluripotent cells in cell culture
GB0327794D0 (en) * 2003-11-29 2003-12-31 Koninkl Philips Electronics Nv Positioning method and apparatus
US20060083322A1 (en) * 2004-10-15 2006-04-20 Desjardins Philip Method and apparatus for detecting transmission errors for digital subscriber lines
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
US7733988B2 (en) * 2005-10-28 2010-06-08 Alcatel-Lucent Usa Inc. Multiframe control channel detection for enhanced dedicated channel
US20070234189A1 (en) * 2006-03-31 2007-10-04 Sharon Levy System and method for reducing false alarm in the presence of random signals
EP2120383A4 (de) * 2007-01-15 2013-12-11 Nec Corp Leitungsqualitätsüberwachungsverfahren und schaltung dafür
US8165224B2 (en) * 2007-03-22 2012-04-24 Research In Motion Limited Device and method for improved lost frame concealment
JP2012095033A (ja) * 2010-10-26 2012-05-17 Alpine Electronics Inc デジタルオーディオ放送受信装置及びそのラベル情報表示方法
US20160352456A1 (en) * 2015-05-26 2016-12-01 Airoha Technology Corp. Signal to noise ratio concealment apparatus and method in wireless multimedia system
EP4239992A3 (de) * 2017-03-10 2023-10-18 Bonx Inc. Kommunikationssystem und mobiles kommunikationsendgerät

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6092230A (en) * 1993-09-15 2000-07-18 Motorola, Inc. Method and apparatus for detecting bad frames of information in a communication system
FI94810C (fi) * 1993-10-11 1995-10-25 Nokia Mobile Phones Ltd Menetelmä huonon GSM-puhekehyksen tunnistamiseksi
SE504396C2 (sv) * 1994-04-28 1997-01-27 Ericsson Telefon Ab L M Detektering av felaktigt mottagna dataramar i ett kommunikationssystem
US5815507A (en) * 1996-04-15 1998-09-29 Motorola, Inc. Error detector circuit for digital receiver using variable threshold based on signal quality
US5960010A (en) * 1996-05-03 1999-09-28 Texas Instruments Incorporated Error detection and error concealment of convolutionally encoded data
CN1158807C (zh) * 1997-02-27 2004-07-21 西门子公司 尤其在gsm传输中的用于错误掩蔽的帧错误检测的方法和设备
GB2337904B (en) * 1998-05-29 2003-03-12 Nec Technologies Frame erasure for digital data transmision systems
GB2339123B (en) * 1998-07-03 2003-03-26 Nec Technologies Frame erasure for digital transmission systems
US6298084B1 (en) * 1998-11-24 2001-10-02 Motorola, Inc. Bad frame detector and turbo decoder
KR100651457B1 (ko) * 1999-02-13 2006-11-28 삼성전자주식회사 부호분할다중접속 이동통신시스템의 불연속 전송모드에서 연속적인 외부순환 전력제어장치 및 방법
KR100330243B1 (ko) * 1999-06-28 2002-03-25 윤종용 불연속 전송모드 이동통신 시스템의 순방향 전력 제어장치 및 방법
US6775521B1 (en) * 1999-08-09 2004-08-10 Broadcom Corporation Bad frame indicator for radio telephone receivers
US7061999B2 (en) 2002-02-13 2006-06-13 Ericsson Inc. Systems and methods for detecting discontinuous transmission (DTX) using cyclic redundancy check results to modify preliminary DTX classification

Also Published As

Publication number Publication date
US7127663B2 (en) 2006-10-24
US20050048923A1 (en) 2005-03-03
ES2293343T3 (es) 2008-03-16
HK1117292A1 (en) 2009-01-09
HK1092622A1 (en) 2007-02-09
EP1671447A1 (de) 2006-06-21
JP2007504715A (ja) 2007-03-01
WO2005025121A1 (en) 2005-03-17
JP4522999B2 (ja) 2010-08-11
RU2006106202A (ru) 2006-07-27
CA2536483A1 (en) 2005-03-17
DE602004009092T2 (de) 2008-06-19
EP1671447B1 (de) 2007-09-19
EP1848140A1 (de) 2007-10-24
ES2318810T3 (es) 2009-05-01
EP1848140B1 (de) 2008-12-10
DE602004009092D1 (de) 2007-10-31
ATE417426T1 (de) 2008-12-15
DE602004018401D1 (de) 2009-01-22
RU2369022C2 (ru) 2009-09-27

Similar Documents

Publication Publication Date Title
HK1117292A1 (en) Bad frame indicator in gsm mobile system
FI115095B (fi) Menetelmä ja laite virheellisten informaatiokehysten ilmaisemiseksi viestintäjärjestelmässä
RU2130693C1 (ru) Способ повышения качества текущего речевого кадра в радиосистеме многостанционного доступа с временным разделением каналов и система для осуществления способа
FI94810C (fi) Menetelmä huonon GSM-puhekehyksen tunnistamiseksi
US6170073B1 (en) Method and apparatus for error detection in digital communications
ATE241874T1 (de) Listenausgaben-viterbi-dekodierung mit crc aussenkode für mehrratensignal
KR20070035112A (ko) 통신 시스템, 수신기 및 수신 신호 품질 측정 방법
US20030012309A1 (en) Decoder and decoding method
ATE407486T1 (de) Verfahren und vorrichtung zur kanalqualitäts- indikator-bestimmung
EP0758502B1 (de) Detektion schlechter rahmen
EP0798888A2 (de) Verfahren und Gerät für digitale Kommunikation mit Fehlerkodierung entsprechend der Verteilung der Daten in Klassen
TW200731242A (en) Evaluating device, reproducing device, and evaluating method
EP1603265A3 (de) Anordnung und Verfahren zum Detektieren von Zeitmultiplexrahmen in einem Mobilkommunikationssystem
US20020155866A1 (en) Method and device for managing power consumption of a receiver in stand-by mode
GB0226004D0 (en) Format detection
KR19980025772A (ko) 비터비 복호기를 이용한 비트 오율 측정 장치
EP0897228A3 (de) Fehlererkennungseinrichtung
KR100743575B1 (ko) 코딩된 음성 통신에서 오염된 신호 파라미터를 검출하고 보정하는 방법, 수신기, 컴퓨터 프로그램을 포함한 기록 매체, 및 무선 전화
US20020166092A1 (en) Method for identifying bad frames
KR20060112174A (ko) ｎ개의 스크램블링된 코드 블록들 중 하나의 선택
US7434117B1 (en) Method and apparatus of determining bad frame indication for speech service in a wireless communication system
WO2008104763A1 (en) Audible errors detection and prevention for speech decoding, audible errors concealing
CN105897370A (zh) 基于去往其他移动终端的控制消息的噪声估计
AU728649B2 (en) Method for determining connection quality, and a receiver
JP3979266B2 (ja) ブラインドレート検出装置、復号装置、通信装置、ブラインドレート検出方法および復号方法

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties