HK1117292A1 - Bad frame indicator in gsm mobile system - Google Patents

Bad frame indicator in gsm mobile system

Info

Publication number
HK1117292A1
HK1117292A1 HK08104194.8A HK08104194A HK1117292A1 HK 1117292 A1 HK1117292 A1 HK 1117292A1 HK 08104194 A HK08104194 A HK 08104194A HK 1117292 A1 HK1117292 A1 HK 1117292A1
Authority
HK
Hong Kong
Prior art keywords
speech frame
snr
signal quality
receive signal
value
Prior art date
Application number
HK08104194.8A
Other languages
English (en)
Inventor
Mohammad J Mohseni
Rolan 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
Publication of HK1117292A1 publication Critical patent/HK1117292A1/xx

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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Artificial Intelligence (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Circuits Of Receivers In General (AREA)
  • Error Detection And Correction (AREA)
HK08104194.8A 2003-08-28 2008-04-14 Bad frame indicator in gsm mobile system HK1117292A1 (en)

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
HK1117292A1 true HK1117292A1 (en) 2009-01-09

Family

ID=34217251

Family Applications (2)

Application Number Title Priority Date Filing Date
HK06113221A HK1092622A1 (en) 2003-08-28 2006-11-30 Bad frame indicator in gsm mobile system
HK08104194.8A HK1117292A1 (en) 2003-08-28 2008-04-14 Bad frame indicator in gsm mobile system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK06113221A HK1092622A1 (en) 2003-08-28 2006-11-30 Bad frame indicator in gsm mobile system

Country Status (10)

Country Link
US (1) US7127663B2 (xx)
EP (2) EP1671447B1 (xx)
JP (1) JP4522999B2 (xx)
AT (2) ATE417426T1 (xx)
CA (1) CA2536483A1 (xx)
DE (2) DE602004018401D1 (xx)
ES (2) ES2293343T3 (xx)
HK (2) HK1092622A1 (xx)
RU (1) RU2369022C2 (xx)
WO (1) WO2005025121A1 (xx)

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
US7733988B2 (en) * 2005-10-28 2010-06-08 Alcatel-Lucent Usa Inc. Multiframe control channel detection for enhanced dedicated channel
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
US20070234189A1 (en) * 2006-03-31 2007-10-04 Sharon Levy System and method for reducing false alarm in the presence of random signals
US8199799B2 (en) * 2007-01-15 2012-06-12 Nec Corporation Method of monitoring circuit quality and circuit therefor
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
JP6416446B1 (ja) * 2017-03-10 2018-10-31 株式会社Ｂｏｎｘ 通信システム、通信システムに用いられるａｐｉサーバ、ヘッドセット、及び携帯通信端末

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
WO1998038764A1 (de) * 1997-02-27 1998-09-03 Siemens Aktiengesellschaft Verfahren und anordnung zur rahmenfehlerdetektion zwecks fehlerverdeckung insbesondere bei gsm übertragungen
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
AU759741B2 (en) * 1999-06-28 2003-05-01 Samsung Electronics Co., Ltd. Apparatus and method of controlling forward link power when in discontinuous transmission mode in a mobile communication system
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
EP1848140B1 (en) 2008-12-10
DE602004018401D1 (de) 2009-01-22
DE602004009092D1 (de) 2007-10-31
DE602004009092T2 (de) 2008-06-19
ATE373905T1 (de) 2007-10-15
EP1848140A1 (en) 2007-10-24
RU2369022C2 (ru) 2009-09-27
CA2536483A1 (en) 2005-03-17
WO2005025121A1 (en) 2005-03-17
RU2006106202A (ru) 2006-07-27
EP1671447A1 (en) 2006-06-21
ES2318810T3 (es) 2009-05-01
JP2007504715A (ja) 2007-03-01
ES2293343T3 (es) 2008-03-16
US7127663B2 (en) 2006-10-24
ATE417426T1 (de) 2008-12-15
EP1671447B1 (en) 2007-09-19
JP4522999B2 (ja) 2010-08-11
HK1092622A1 (en) 2007-02-09
US20050048923A1 (en) 2005-03-03

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20120824