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BR9305555A - Processo de avaliação da qualidade de um quadro de informações em um sistema de radiocomunicação, e, conjunto em uma estação de rádio incluído em um sistema de radiocomunicação - Google Patents

Processo de avaliação da qualidade de um quadro de informações em um sistema de radiocomunicação, e, conjunto em uma estação de rádio incluído em um sistema de radiocomunicação

Info

Publication number
BR9305555A
BR9305555A BR9305555A BR9305555A BR9305555A BR 9305555 A BR9305555 A BR 9305555A BR 9305555 A BR9305555 A BR 9305555A BR 9305555 A BR9305555 A BR 9305555A BR 9305555 A BR9305555 A BR 9305555A
Authority
BR
Brazil
Prior art keywords
communication system
radio communication
radio
evaluating
quality
Prior art date
Application number
BR9305555A
Other languages
English (en)
Inventor
Tor Bjorn Minde
Nils Patrik Lundqvist
Ulf Torstensson Wahlberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR9305555A publication Critical patent/BR9305555A/pt

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
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • 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
    • H04L2001/0098—Unequal error protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Error Detection And Correction (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
BR9305555A 1992-06-23 1993-05-28 Processo de avaliação da qualidade de um quadro de informações em um sistema de radiocomunicação, e, conjunto em uma estação de rádio incluído em um sistema de radiocomunicação BR9305555A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9201923A SE470372B (sv) 1992-06-23 1992-06-23 Metod jämte anordning att uppskatta kvaliten vid ramfelsdetektering i mottagaren hos ett radiokommunikationssystem
PCT/SE1993/000476 WO1994000938A1 (en) 1992-06-23 1993-05-28 A method and an arrangement for frame detection quality estimation in the receiver of a radio communication system

Publications (1)

Publication Number Publication Date
BR9305555A true BR9305555A (pt) 1994-11-08

Family

ID=20386577

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9305555A BR9305555A (pt) 1992-06-23 1993-05-28 Processo de avaliação da qualidade de um quadro de informações em um sistema de radiocomunicação, e, conjunto em uma estação de rádio incluído em um sistema de radiocomunicação

Country Status (17)

Country Link
US (1) US5432778A (pt)
EP (1) EP0612453B1 (pt)
JP (1) JP3326178B2 (pt)
KR (1) KR100262842B1 (pt)
CN (1) CN1066879C (pt)
AU (1) AU663965B2 (pt)
BR (1) BR9305555A (pt)
CA (1) CA2114715A1 (pt)
DE (1) DE69329488D1 (pt)
FI (1) FI940828A0 (pt)
MX (1) MX9303653A (pt)
MY (1) MY115133A (pt)
NZ (1) NZ253806A (pt)
SE (1) SE470372B (pt)
SG (1) SG43785A1 (pt)
TW (1) TW227640B (pt)
WO (1) WO1994000938A1 (pt)

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US5768291A (en) * 1994-12-29 1998-06-16 Motorola, Inc. Method and apparatus for error mitigating a received communication signal
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GB9512303D0 (en) * 1995-06-16 1995-08-16 Assessment Services Ltd Improvements in or relating to data analysers
GB9520445D0 (en) * 1995-10-06 1995-12-06 British Telecomm Convolutional codes
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
FI100566B (fi) * 1996-01-24 1997-12-31 Nokia Telecommunications Oy Kehyksen laadun tunnistamismenetelmä ja vastaanotin
AU720597B2 (en) 1996-02-15 2000-06-08 Biosense, Inc. Catheter calibration and usage monitoring system
US6035007A (en) * 1996-03-12 2000-03-07 Ericsson Inc. Effective bypass of error control decoder in a digital radio system
US6170073B1 (en) * 1996-03-29 2001-01-02 Nokia Mobile Phones (Uk) Limited Method and apparatus for error detection in digital communications
SE506341C2 (sv) * 1996-04-10 1997-12-08 Ericsson Telefon Ab L M Metod och anordning för rekonstruktion av en mottagen talsignal
US5960010A (en) * 1996-05-03 1999-09-28 Texas Instruments Incorporated Error detection and error concealment of convolutionally encoded data
US5802076A (en) * 1996-05-24 1998-09-01 National Semiconductor Corporation Audio error mitigation technique for a TDMA communication system
JPH10322408A (ja) * 1997-03-19 1998-12-04 Sony Corp 受信装置及び信号受信方法
SE511310C2 (sv) 1997-05-20 1999-09-06 Ericsson Telefon Ab L M Förfarande för bitdetektering i ett radiokommunikationssystem
US6157830A (en) * 1997-05-22 2000-12-05 Telefonaktiebolaget Lm Ericsson Speech quality measurement in mobile telecommunication networks based on radio link parameters
US6347217B1 (en) 1997-05-22 2002-02-12 Telefonaktiebolaget Lm Ericsson (Publ) Link quality reporting using frame erasure rates
US6201960B1 (en) * 1997-06-24 2001-03-13 Telefonaktiebolaget Lm Ericsson (Publ) Speech quality measurement based on radio link parameters and objective measurement of received speech signals
TW390082B (en) * 1998-05-26 2000-05-11 Koninkl Philips Electronics Nv Transmission system with adaptive channel encoder and decoder
EP1116355A1 (de) * 1998-09-22 2001-07-18 Siemens Aktiengesellschaft Verfahren und eine vorrichtung zur abschätzung der übertragungsqualität eines digitalen nachrichtensignals
US6216107B1 (en) * 1998-10-16 2001-04-10 Ericsson Inc. High-performance half-rate encoding apparatus and method for a TDM system
DE19921504A1 (de) * 1999-05-10 2000-11-23 Alcatel Sa Verfahren und Schaltungsanordnung zur Ermittlung einer Qualitätsinformation über die Übertragungsqualität eines Sprachsignals in einem digitalen Übertragungssystem
EP1059755A1 (en) * 1999-06-09 2000-12-13 Lucent Technologies Inc. Unequal error protection for packet switched networks
EP1067730A1 (en) * 1999-07-02 2001-01-10 Alcatel Determining the transmission quality of a radio channel
FR2796785A1 (fr) * 1999-07-20 2001-01-26 Koninkl Philips Electronics Nv Systeme de communication, recepteur, dispositif et procede de correction d'erreurs dues au canal
WO2001022401A1 (en) * 1999-09-20 2001-03-29 Koninklijke Philips Electronics N.V. Processing circuit for correcting audio signals, receiver, communication system, mobile apparatus and related method
US20010041981A1 (en) * 2000-02-22 2001-11-15 Erik Ekudden Partial redundancy encoding of speech
US6654922B1 (en) * 2000-04-10 2003-11-25 Nokia Corporation Method and apparatus for declaring correctness of reception of channels for use in a mobile telecommunications system
US6813322B2 (en) * 2001-04-26 2004-11-02 Telefonaktiebolaget L.M. Ericsson (Publ) Soft output value biasing
FR2844407B1 (fr) * 2002-09-05 2004-12-03 Thomson Licensing Sa Procede de selection de canal de transmission et recepteur de signaux a diversite d'antenne
US7142517B2 (en) * 2002-09-24 2006-11-28 Accton Technology Corporation Method for objective playout quality measurement of a packet based network transmission
US7127663B2 (en) * 2003-08-28 2006-10-24 Qualcomm Incorporate Bad frame indicator for radio-telephone receivers in GSM mobile systems
JP2005151299A (ja) 2003-11-18 2005-06-09 Sanyo Electric Co Ltd 無線通信装置、誤り訂正方法、および誤り訂正プログラム
WO2005094025A1 (en) * 2004-03-25 2005-10-06 Benq Mobile Gmbh & Co. Ohg Method and communication device for interference cancellation in a cellular tdma communication system
JP4287778B2 (ja) * 2004-03-31 2009-07-01 株式会社ケンウッド 通信品質判定装置及び通信品質判定方法
US9730098B2 (en) 2013-11-25 2017-08-08 At&T Mobility Ii Llc Knowledge discovery and data mining-assisted multi-radio access technology control
CN111264033B (zh) 2017-05-03 2021-07-20 弗吉尼亚科技知识产权有限公司 用无线电信号变换器学习无线电信号的方法、系统和装置
US10893495B2 (en) * 2019-02-06 2021-01-12 Nokia Technologies Oy Method and apparatus for providing timing synchronization

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US4885757A (en) * 1987-06-01 1989-12-05 Texas Instruments Incorporated Digital adaptive receiver employing maximum-likelihood sequence estimation with neural networks
US5086479A (en) * 1989-06-30 1992-02-04 Hitachi, Ltd. Information processing system using neural network learning function
SE465697B (sv) * 1989-09-19 1991-10-14 Ericsson Telefon Ab L M Saett att i ett digitalt radiooeverfoeringssystem foer oeverfoering av signaler mellan en saendande och en mottagande radiostation alstra godhetstal foer hos den mottagande radiostationen erhaallna binaera siffror
US5144644A (en) * 1989-10-13 1992-09-01 Motorola, Inc. Soft trellis decoding
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US5031193A (en) * 1989-11-13 1991-07-09 Motorola, Inc. Method and apparatus for diversity reception of time-dispersed signals
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US5093846A (en) * 1990-06-15 1992-03-03 Sundstrand Data Control, Inc. Signal acquisition using modulation by a preselected code group
US5113400A (en) * 1990-11-21 1992-05-12 Motorola, Inc. Error detection system
US5142551A (en) * 1991-02-28 1992-08-25 Motorola, Inc. Signal weighting system for digital receiver
US5231648A (en) * 1991-03-21 1993-07-27 Northern Telecom Limited Adaptive equalizer for digital cellular radio
US5150379A (en) * 1991-09-27 1992-09-22 Hewlett-Packard Company Signal processing system for adaptive equalization

Also Published As

Publication number Publication date
KR100262842B1 (ko) 2000-08-01
DE69329488D1 (de) 2000-11-02
MX9303653A (es) 1994-01-31
EP0612453B1 (en) 2000-09-27
CN1081298A (zh) 1994-01-26
SE9201923L (sv) 1993-12-24
US5432778A (en) 1995-07-11
SG43785A1 (en) 1997-11-14
CA2114715A1 (en) 1994-01-06
TW227640B (pt) 1994-08-01
KR940702328A (ko) 1994-07-28
JP3326178B2 (ja) 2002-09-17
CN1066879C (zh) 2001-06-06
SE9201923D0 (sv) 1992-06-23
WO1994000938A1 (en) 1994-01-06
JPH06510413A (ja) 1994-11-17
AU4517093A (en) 1994-01-24
FI940828A (fi) 1994-02-22
SE470372B (sv) 1994-01-31
MY115133A (en) 2003-04-30
EP0612453A1 (en) 1994-08-31
FI940828A0 (fi) 1994-02-22
NZ253806A (en) 1996-08-27
AU663965B2 (en) 1995-10-26

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 28/05/2013