Nothing Special   »   [go: up one dir, main page]

NO20090929L - Krets for avgivelse av kanalsvitsjesignal og tilsvarende fremgangsmate - Google Patents

Krets for avgivelse av kanalsvitsjesignal og tilsvarende fremgangsmate

Info

Publication number
NO20090929L
NO20090929L NO20090929A NO20090929A NO20090929L NO 20090929 L NO20090929 L NO 20090929L NO 20090929 A NO20090929 A NO 20090929A NO 20090929 A NO20090929 A NO 20090929A NO 20090929 L NO20090929 L NO 20090929L
Authority
NO
Norway
Prior art keywords
circuit
average value
comparator
error correction
repeated decodings
Prior art date
Application number
NO20090929A
Other languages
English (en)
Norwegian (no)
Inventor
Eisaku Sasaki
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of NO20090929L publication Critical patent/NO20090929L/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B23B5/16—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
    • B23B5/166—Devices for working electrodes
    • 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/11—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits using multiple parity bits
    • H03M13/1102—Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes
    • H03M13/1105—Decoding
    • H03M13/1128—Judging correct decoding and iterative stopping criteria other than syndrome check and upper limit for decoding iterations
    • 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2957—Turbo codes and decoding
    • H03M13/2975—Judging correct decoding, e.g. iteration stopping criteria
    • 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
    • H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
    • H03M13/353—Adaptation to the channel
    • 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
    • H03M13/63—Joint error correction and other techniques
    • H03M13/6337—Error control coding in combination with channel estimation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49718—Repairing
    • Y10T29/49748—Repairing by shaping, e.g., bending, extruding, turning, etc.
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/3042—Means to remove scale or raised surface imperfection
    • Y10T409/304256—Means to remove flash or burr

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
  • Milling Processes (AREA)
NO20090929A 2006-09-22 2009-02-27 Krets for avgivelse av kanalsvitsjesignal og tilsvarende fremgangsmate NO20090929L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006257482 2006-09-22
PCT/JP2007/068384 WO2008035763A1 (fr) 2006-09-22 2007-09-21 Circuit d'émission de signal de commutation de canal et procédé d'émission de signal de commutation de canal

Publications (1)

Publication Number Publication Date
NO20090929L true NO20090929L (no) 2009-06-22

Family

ID=39200586

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20090929A NO20090929L (no) 2006-09-22 2009-02-27 Krets for avgivelse av kanalsvitsjesignal og tilsvarende fremgangsmate

Country Status (7)

Country Link
US (2) US7458139B2 (zh)
EP (1) EP2066065A4 (zh)
JP (1) JP4835691B2 (zh)
CN (1) CN101517954B (zh)
NO (1) NO20090929L (zh)
RU (1) RU2414077C2 (zh)
WO (1) WO2008035763A1 (zh)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8204225B2 (en) * 2007-07-23 2012-06-19 Savi Technology, Inc. Method and apparatus for providing security in a radio frequency identification system
US7972194B2 (en) * 2008-12-03 2011-07-05 GM Global Technology Operations LLC Weld gun tip dressing
KR101047019B1 (ko) * 2009-06-30 2011-07-06 박희만 절삭량 조절이 가능한 스폿 용접 팁 드레서용 홀더
US8350179B2 (en) * 2009-10-26 2013-01-08 GM Global Technology Operations LLC Application of surface relief to spot welding electrodes
DE102011002664A1 (de) * 2011-01-13 2012-07-19 Lutz Technik Gmbh Fräswerkzeug, insbesondere zum Befräsen von Elektrodenspitzen von Punktschweißelektroden
US9333588B2 (en) * 2011-01-28 2016-05-10 GM Global Technology Operations LLC Crack avoidance in resistance spot welded materials
US8895887B2 (en) * 2011-08-05 2014-11-25 General Electric Company Resistance weld repairing of casing flange holes
JPWO2013140817A1 (ja) * 2012-03-22 2015-08-03 京セラ株式会社 通信システム、通信装置及び通信制御方法
DE102012210316A1 (de) * 2012-06-19 2013-12-19 Harald Heptner Fräsvorrichtung zum Befräsen wenigstens einer Buckelschweißelektrode
US8920218B2 (en) * 2012-07-11 2014-12-30 Ford Global Technologies, Llc Resistance spot weld electrode dresser
WO2014033253A1 (de) * 2012-08-31 2014-03-06 Matuschek Messtechnik Gmbh Vorrichtung und verfahren zum schleifen von werkstücken, insbesondere schweisselektroden
CN103537847A (zh) * 2013-10-22 2014-01-29 长城汽车股份有限公司 一种电极帽修磨装置及自动焊接系统
US9287899B1 (en) * 2013-12-20 2016-03-15 Xilinx, Inc. Forward error correction
DE102014203409B4 (de) * 2014-02-25 2017-08-24 Matuschek Meßtechnik GmbH Vorrichtung und Verfahren zum Schleifen von starren, metallischen Schweißelektroden für das Widerstandsschweißen
US10078540B2 (en) * 2014-06-13 2018-09-18 Cisco Technology, Inc. Accurate and fast in-service estimation of input bit error ratio of low density parity check decoders
US10081080B2 (en) 2014-08-25 2018-09-25 Honda Motor Co., Ltd. Welding assemblies for dressing electrode tips and methods of dressing electrode tips
US10610956B2 (en) * 2016-02-04 2020-04-07 GM Global Technology Operations LLC Welding electrode cutting tool and method of using the same
JP6474381B2 (ja) * 2016-12-22 2019-02-27 ファナック株式会社 電極を研磨するチップドレッサーを備えるスポット溶接システム
CN106903418B (zh) * 2017-02-08 2019-09-27 南京君哲工业自动化有限公司 分体式多刀刃修磨刀具单元
CN107262902B (zh) * 2017-08-11 2022-11-15 天津市扬帆科技开发有限公司 一种用于电阻点焊电极的自动修磨器
CN107262903B (zh) * 2017-08-11 2022-11-15 天津市扬帆科技开发有限公司 用于电极自动修磨器的组合刃具
JP6937020B2 (ja) * 2017-11-20 2021-09-22 株式会社キョクトー 切粉飛散防止カバー
JP6963814B2 (ja) 2018-04-16 2021-11-10 株式会社キョクトー チップドレス用切削カッター
CN110238502A (zh) * 2019-06-28 2019-09-17 上海晟灏自动化科技有限公司 一种用于焊接电极帽修磨的四刀刃刀具
CN112059779A (zh) * 2020-09-21 2020-12-11 萧县威辰机电工程设备有限公司 一种建筑施工用安全防护型抗震降噪机电工程设备

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH084257B2 (ja) * 1987-10-02 1996-01-17 日本電気株式会社 （１＋ｎ）ヒットレス回線切替装置
US4892448A (en) * 1988-08-23 1990-01-09 Hoch Norman J Cutter and drive gear assembly for dressing welding electrode tips
US4966504A (en) * 1988-11-30 1990-10-30 Sem-Torq, Inc. Electrode tip dresser and holder assembly
US4966506A (en) * 1990-03-05 1990-10-30 Stillwater Technologies, Inc. Welding tip dresser
US5332342A (en) * 1991-04-26 1994-07-26 Honda Giken Kogyo Kabushiki Kaisha Electrode tip dresser and cutter for electrode tip dresser
US5401127A (en) * 1992-07-31 1995-03-28 Honda Giken Kogyo Kabushiki Kaisha Rotative cutting tool of tip dresser
JP2699850B2 (ja) * 1993-12-28 1998-01-19 日本電気株式会社 復調装置
JPH084257A (ja) 1994-06-08 1996-01-09 Kohjin Co Ltd 機能性畳
JP3587684B2 (ja) * 1997-06-27 2004-11-10 利晃 島田 スポット溶接の電極チップ緩め装置
US5993125A (en) * 1997-06-27 1999-11-30 Shimada; Toshiaki Electrode tip dresser
JP2933615B1 (ja) * 1998-07-15 1999-08-16 静岡日本電気株式会社 デジタルコードレスにおける通話チャネル切替判定装置
US6263467B1 (en) * 1998-08-20 2001-07-17 General Electric Company Turbo code decoder with modified systematic symbol transition probabilities
IT1303739B1 (it) * 1998-11-11 2001-02-23 Fata Automation Dispositivo riformatore per elettrodi di saldatura
JP2000174670A (ja) * 1998-12-03 2000-06-23 Mitsubishi Electric Corp 伝送路切替装置
JP3650928B2 (ja) * 2000-05-26 2005-05-25 株式会社キョクトー ドレッサー装置
US6763244B2 (en) * 2001-03-15 2004-07-13 Qualcomm Incorporated Method and apparatus for adjusting power control setpoint in a wireless communication system
EP1249958B1 (de) * 2001-04-09 2005-01-19 Alcatel Verfahren und Vorrichtung zur adaptiven Turbo Dekodierung mehrerer Funkkanäle unter Bestimmung eines CRC am Ende jeder Iteration
GB2379358A (en) * 2001-08-28 2003-03-05 Toshiba Res Europ Ltd Channel selection based on quality of signal
JP2004015259A (ja) * 2002-06-05 2004-01-15 Tamura Seisakusho Co Ltd 受信装置、および通信システム
US7246295B2 (en) * 2003-04-14 2007-07-17 Agere Systems Inc. Turbo decoder employing simplified log-map decoding
TWI350066B (en) * 2003-04-17 2011-10-01 Icera Inc Apparatus and method for turbo decoder termination
US8018902B2 (en) * 2003-06-06 2011-09-13 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatus for channel quality indicator determination
US7647063B2 (en) * 2003-10-17 2010-01-12 Telefonaktiebolaget L M Ericsson (Publ) Method and system for outer loop power control
US7237181B2 (en) * 2003-12-22 2007-06-26 Qualcomm Incorporated Methods and apparatus for reducing error floors in message passing decoders
US20060034220A1 (en) * 2004-08-12 2006-02-16 Eiji Shinshou Digital wireless communication device
SE529065C2 (sv) * 2004-10-20 2007-04-24 Seco Tools Ab Skärverktyg där skäret har en spånkanal som skär släppningsytan
CN101091321A (zh) * 2004-12-29 2007-12-19 英特尔公司 用于低密度奇偶校验码的多门限解码的固定门限和信道估计
JP2006211017A (ja) * 2005-01-25 2006-08-10 Matsushita Electric Ind Co Ltd 基地局装置、通信端末装置及びリソース割り当て方法
JP2006257482A (ja) 2005-03-16 2006-09-28 Jatco Ltd 浸炭時の結晶粒粗大化防止特性に優れた鍛造部材，その製造方法，及びその鍛造部材及び／又は製造方法を用いたベルト式無段変速機用プーリ
KR100725616B1 (ko) * 2005-12-01 2007-06-08 주식회사 한국교꾸도 칩 성형기

Also Published As

Publication number Publication date
EP2066065A4 (en) 2017-07-05
US8527847B2 (en) 2013-09-03
US7458139B2 (en) 2008-12-02
EP2066065A1 (en) 2009-06-03
CN101517954A (zh) 2009-08-26
RU2414077C2 (ru) 2011-03-10
JPWO2008035763A1 (ja) 2010-01-28
WO2008035763A1 (fr) 2008-03-27
RU2009109851A (ru) 2010-09-27
US20090292967A1 (en) 2009-11-26
US20080075551A1 (en) 2008-03-27
CN101517954B (zh) 2013-03-06
JP4835691B2 (ja) 2011-12-14

Similar Documents

Publication Publication Date Title
NO20090929L (no) Krets for avgivelse av kanalsvitsjesignal og tilsvarende fremgangsmate
US9081677B2 (en) Method and device for estimating input bit error ratio
US10050642B2 (en) Low power scheme for bit flipping low density parity check decoder
JP5349314B2 (ja) デコーダ生成の信号メトリックを使用する不連続送信（ｄｔｘ）検出
JP4777876B2 (ja) ターボデコーダの反復の早期終了
EP1841116A3 (en) Decoding method for tail-biting convolutional codes using a search-depth Viterbi algorithm
TW200520438A (en) Detection, avoidance and/or correction of problematic puncturing patterns in parity bit streams used when implementing turbo codes
TW200637169A (en) Channel estimation and fixed thresholds for multi-threshold decoding of low-density parity check codes
JP5286333B2 (ja) 無線装置
CN108736900B (zh) Turbo码译码的控制方法及装置、计算机可读介质、终端
WO2003088505A8 (en) A decoding method and apparatus
CN103929211B (zh) 一种bch编码方案自适应调整方法及系统
TW200419921A (en) Method and device for decoding Reed-Solomon code or extended Reed-Solomon code
TW200711329A (en) Application of a meta-viterbi algorithm for communication systems without intersymbol interference
TW200707920A (en) Meta-viterbi algorithm for use in communication systems
TWI674765B (zh) 一種疊代解碼裝置及其控制方法
US20130317832A1 (en) Audio frame timing correction method and wireless device
TWI487291B (zh) 循環碼解碼器及其方法
JP2008017001A (ja) 誤り訂正装置
TWI551060B (zh) Ｂｃｈ解碼方法及其解碼器
MY146446A (en) System and methods for error correction codes in communication systems
RU2295196C1 (ru) Способ контроля качества канала связи
US7876862B2 (en) Conditionally input saturated Viterbi detector
Andersen Product codes for optical communication
JP2007013260A (ja) 誤り訂正回路

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application