FI961344A - Flerhastighets-Viterbi-serie-avkodare för CDMA-tillämpningar - Google Patents

Flerhastighets-Viterbi-serie-avkodare för CDMA-tillämpningar Download PDF

Info

Publication number
FI961344A
FI961344A FI961344A FI961344A FI961344A FI 961344 A FI961344 A FI 961344A FI 961344 A FI961344 A FI 961344A FI 961344 A FI961344 A FI 961344A FI 961344 A FI961344 A FI 961344A
Authority
FI
Finland
Prior art keywords
decoder
data
rates
packet
decoded data
Prior art date
Application number
FI961344A
Other languages
English (en)
Finnish (fi)
Other versions
FI116501B (sv
FI961344A0 (sv
Inventor
Daniel R Kindred
Brian K Butler
Ephraim Zehavi
Jack K Wolf
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 FI961344A0 publication Critical patent/FI961344A0/sv
Publication of FI961344A publication Critical patent/FI961344A/sv
Application granted granted Critical
Publication of FI116501B publication Critical patent/FI116501B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • 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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/3776—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 using a re-encoding step during the decoding process
    • 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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • 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
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L1/0046—Code rate detection or code type detection
    • 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
    • H04L1/0052—Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables
    • 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
    • H04L1/0071—Use of interleaving
    • 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
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0262—Arrangements for detecting the data rate of an incoming signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0032—Without explicit signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Probability & Statistics with Applications (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Artificial Intelligence (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Dc Digital Transmission (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FI961344A 1993-09-24 1996-03-22 Flerhastighets viterbi serieavkodare för CDMA-tillämpningar FI116501B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US12647793A 1993-09-24 1993-09-24
US12647793 1993-09-24
PCT/US1994/010774 WO1995008888A1 (en) 1993-09-24 1994-09-23 Multirate serial viterbi decoder for code division multiple access system applications
US9410774 1994-09-23

Publications (3)

Publication Number Publication Date
FI961344A0 FI961344A0 (sv) 1996-03-22
FI961344A true FI961344A (sv) 1996-05-22
FI116501B FI116501B (sv) 2005-11-30

Family

ID=22425039

Family Applications (1)

Application Number Title Priority Date Filing Date
FI961344A FI116501B (sv) 1993-09-24 1996-03-22 Flerhastighets viterbi serieavkodare för CDMA-tillämpningar

Country Status (21)

Country Link
US (1) US5710784A (sv)
EP (1) EP0720797B1 (sv)
JP (1) JP3290989B2 (sv)
KR (1) KR100335038B1 (sv)
CN (1) CN1096163C (sv)
AT (1) ATE210350T1 (sv)
AU (1) AU682542B2 (sv)
BR (1) BR9407595A (sv)
CA (1) CA2171220C (sv)
DE (1) DE69429356T2 (sv)
DK (1) DK0720797T3 (sv)
ES (1) ES2168313T3 (sv)
FI (1) FI116501B (sv)
HK (1) HK1015213A1 (sv)
IL (1) IL111012A (sv)
MY (1) MY113287A (sv)
PT (1) PT720797E (sv)
RU (1) RU2222110C2 (sv)
SG (1) SG52701A1 (sv)
WO (1) WO1995008888A1 (sv)
ZA (1) ZA947317B (sv)

Families Citing this family (255)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5859861A (en) * 1995-06-21 1999-01-12 Hyundai Electronics Ind. Co., Ltd. High speed viterbi decoder
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US6222830B1 (en) 1995-08-25 2001-04-24 Qualcomm Incorporated Communication system using repeated data selection
JP3280834B2 (ja) * 1995-09-04 2002-05-13 沖電気工業株式会社 符号化通信方式における信号判定装置および受信装置ならびに信号判定方法および通信路状態推定方法
US5796757A (en) * 1995-09-15 1998-08-18 Nokia Mobile Phones Ltd. Methods and apparatus for performing rate determination with a variable rate viterbi decoder
JP3336836B2 (ja) * 1995-11-28 2002-10-21 三菱電機株式会社 同期判定回路、復調器及び通信システム
FI956358A (sv) * 1995-12-29 1997-06-30 Nokia Telecommunications Oy Förfarande för att avkänna dataöverföringshastighet och mottagare
JPH09232972A (ja) * 1996-02-28 1997-09-05 Sony Corp ビタビ復号器
KR100212833B1 (ko) * 1996-03-22 1999-08-02 전주범 가변레이트 비터비 복호기
US5671255A (en) * 1996-03-29 1997-09-23 Motorola, Inc. Method and apparatus for determining coding rate in a wireless communication system
JP3658859B2 (ja) * 1996-05-27 2005-06-08 ソニー株式会社 通信方法及び通信装置
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
US5909434A (en) * 1996-05-31 1999-06-01 Qualcomm Incorporated Bright and burst mode signaling data transmission in an adjustable rate wireless communication system
US6108384A (en) * 1996-06-24 2000-08-22 Ntt Mobile Communications Network Inc. Data transmittion method, data transmitting system and transmitter and receiver
US5881053A (en) * 1996-09-13 1999-03-09 Qualcomm Incorporated Method for a wireless communications channel
KR19990067611A (ko) * 1996-09-17 1999-08-25 요트.게.아. 롤페즈 개선된 잠금 감지를 가지는 전송 시스템
CA2214743C (en) * 1996-09-20 2002-03-05 Ntt Mobile Communications Network Inc. A frame synchronization circuit and communications system
US5831978A (en) * 1996-10-18 1998-11-03 Telefonaktiebolaget L M Ericsson Publ. Method for multiplexing of parallel information streams in a CDMA system
US5751725A (en) * 1996-10-18 1998-05-12 Qualcomm Incorporated Method and apparatus for determining the rate of received data in a variable rate communication system
EP0838906A3 (en) * 1996-10-25 2004-10-13 Matsushita Electric Industrial Co., Ltd. Method and device for determining thresholds of metric values used in Viterbi synchronization evaluation circuits
US6108372A (en) * 1996-10-30 2000-08-22 Qualcomm Inc. Method and apparatus for decoding variable rate data using hypothesis testing to determine data rate
KR100235438B1 (ko) 1997-02-04 1999-12-15 구자홍 광디스크의 오디오재생신호 보상처리방법 및 장치
US6404828B2 (en) 1997-03-12 2002-06-11 Interdigital Technology Corporation Multichannel decoder
KR100219842B1 (ko) * 1997-03-12 1999-09-01 서평원 이동 전화시스템
US20060262832A1 (en) * 1997-03-12 2006-11-23 Interdigital Technology Corporation Convolutionally encoding and decoding multiple data streams
US6005898A (en) * 1997-03-12 1999-12-21 Interdigital Technology Corporation Multichannel viterbi decoder
JP3437411B2 (ja) * 1997-05-20 2003-08-18 松下電器産業株式会社 受信装置及び送信装置並びにこれらを用いた基地局装置及び移動局装置
SE511310C2 (sv) * 1997-05-20 1999-09-06 Ericsson Telefon Ab L M Förfarande för bitdetektering i ett radiokommunikationssystem
US6111865A (en) * 1997-05-30 2000-08-29 Qualcomm Incorporated Dual channel slotted paging
IL133157A (en) 1997-05-30 2005-03-20 Qualcomm Inc Method of and apparatus for paging a wireless terminal in a wireless telecommunications system
US5859768A (en) * 1997-06-04 1999-01-12 Motorola, Inc. Power conversion integrated circuit and method for programming
KR100243213B1 (ko) * 1997-06-14 2000-02-01 윤종용 제로상태평가량을이용한비터비복호데이터의품질평가장치
JP3338374B2 (ja) 1997-06-30 2002-10-28 松下電器産業株式会社 演算処理方法および装置
US6085349A (en) * 1997-08-27 2000-07-04 Qualcomm Incorporated Method for selecting cyclic redundancy check polynomials for linear coded systems
WO1999012102A1 (en) * 1997-09-05 1999-03-11 Sun Microsystems, Inc. A multiprocessing system including cluster optimization mechanisms
GB2329557B (en) * 1997-09-19 2002-05-01 Motorola As Method and apparatus for viterbi decoding of punctured codes
JP3316744B2 (ja) 1997-10-30 2002-08-19 三菱電機株式会社 Ａｆｃ回路、それを備えた受信機、及び自動周波数制御通信システム
KR100386244B1 (ko) * 1998-01-22 2004-01-24 엘지전자 주식회사 비터비 디코더
US6112325A (en) * 1998-01-23 2000-08-29 Dspc Technologies, Ltd. Method and device for detecting rate
US6147964A (en) * 1998-05-07 2000-11-14 Qualcomm Inc. Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes
TR200002347T2 (tr) * 1998-02-13 2001-02-21 Qualcomm Incorporated Ortogonal hıza bağımlı walsh gizleme kodlarını kullanarak hız belirlemesi yapmak için yöntem ve tertibat.
KR100268450B1 (ko) * 1998-03-02 2000-10-16 윤종용 테스트기능을 갖는 비터비 디코더
US6480475B1 (en) * 1998-03-06 2002-11-12 Texas Instruments Incorporated Method and system for accomodating a wide range of user data rates in a multicarrier data transmission system
FI107201B (sv) 1998-03-23 2001-06-15 Nokia Networks Oy Säkerställning av kvaliteten av dataöverföring i telekommunikationsnät
JPH11340840A (ja) * 1998-05-28 1999-12-10 Fujitsu Ltd 移動通信端末及び送信ビットレート判別方法
US6219389B1 (en) * 1998-06-30 2001-04-17 Motorola, Inc. Receiver implemented decoding method of selectively processing channel state metrics to minimize power consumption and reduce computational complexity
JP3196835B2 (ja) * 1998-07-17 2001-08-06 日本電気株式会社 ビタビ復号法及びビタビ復号器
US6252917B1 (en) * 1998-07-17 2001-06-26 Nortel Networks Limited Statistically multiplexed turbo code decoder
US6269130B1 (en) * 1998-08-04 2001-07-31 Qualcomm Incorporated Cached chainback RAM for serial viterbi decoder
FR2782428B1 (fr) * 1998-08-12 2000-09-15 Alsthom Cge Alcatel Dispositif permettant des facteurs d'etalement differents tout en preservant un code d'embrouillage commun, notamment pour systeme cellulaire de radiocommunications mobiles du type a acces multiple par repartition de codes
KR100444980B1 (ko) * 1998-08-31 2004-10-14 삼성전자주식회사 가변율로전송된데이터의데이터율결정방법및장치
US6798736B1 (en) * 1998-09-22 2004-09-28 Qualcomm Incorporated Method and apparatus for transmitting and receiving variable rate data
US6687233B1 (en) * 1998-10-16 2004-02-03 Koninklijke Philips Electronics N.V. Rate detection in direct sequence code division multiple access systems
US6408037B1 (en) 1998-10-20 2002-06-18 Agilent Technologies, Inc. High-speed data decoding scheme for digital communication systems
FI105961B (sv) * 1998-12-14 2000-10-31 Nokia Networks Oy Mottagningsförfarande och mottagare
JP3239870B2 (ja) * 1998-12-28 2001-12-17 日本電気株式会社 データ誤り訂正システム
US6393074B1 (en) 1998-12-31 2002-05-21 Texas Instruments Incorporated Decoding system for variable-rate convolutionally-coded data sequence
US7593433B1 (en) 1999-03-02 2009-09-22 Cisco Technology, Inc. System and method for multiple channel statistical re-multiplexing
US7016337B1 (en) * 1999-03-02 2006-03-21 Cisco Technology, Inc. System and method for multiple channel statistical re-multiplexing
JP4213286B2 (ja) * 1999-03-19 2009-01-21 富士通株式会社 ビタビ復号器
US6687285B1 (en) 1999-03-19 2004-02-03 Qualcomm Incorporated Method and apparatus for supervising the performance of a quick paging channel in a dual event slotted paging system
US6400755B1 (en) * 1999-04-23 2002-06-04 Motorola, Inc. Data transmission within a spread-spectrum communication system
SG80035A1 (en) * 1999-05-27 2001-04-17 Inst Of Microelectronics Viterbi decoding of punctured convolutional codes without real-time branch metric computation
US6633601B1 (en) * 1999-05-28 2003-10-14 Koninklijke Philips Electronics N.V. Method and device for frame rate determination using correlation metrics and frame quality indicators
US6542492B1 (en) * 1999-05-28 2003-04-01 Koninklijke Philips Electronics N.V. Method and system of initializing state metrics for traffic, paging, and sync channels to enhance Viterbi decoder performance
JP3613448B2 (ja) * 1999-06-21 2005-01-26 株式会社エヌ・ティ・ティ・ドコモ データ伝送方法、データ伝送システム、送信装置および受信装置
JP3924093B2 (ja) * 1999-07-15 2007-06-06 富士通株式会社 ビタビ復号器および送信装置
JP2001044854A (ja) * 1999-07-29 2001-02-16 Fujitsu Ltd 符号化支援装置、復号化支援装置、無線送信機および無線受信機
US6597667B1 (en) 1999-08-18 2003-07-22 Qualcomm Incorporated Network based muting of a cellular telephone
US6208699B1 (en) * 1999-09-01 2001-03-27 Qualcomm Incorporated Method and apparatus for detecting zero rate frames in a communications system
US6700938B1 (en) * 1999-09-29 2004-03-02 Motorola, Inc. Method for determining quality of trellis decoded block data
EP1138142B1 (en) * 1999-10-13 2005-08-03 Koninklijke Philips Electronics N.V. Method for determining a trellis path using a reference matrix
JP3259725B2 (ja) 1999-12-20 2002-02-25 日本電気株式会社 ビタビ復号装置
US6532250B1 (en) 1999-12-21 2003-03-11 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for spreading and despreading information signals in code division multiple access communications systems
US7010001B2 (en) * 2000-01-10 2006-03-07 Qualcomm, Incorporated Method and apparatus for supporting adaptive multi-rate (AMR) data in a CDMA communication system
US6665832B1 (en) * 2000-03-31 2003-12-16 Qualcomm, Incorporated Slotted mode decoder state metric initialization
US6694469B1 (en) * 2000-04-14 2004-02-17 Qualcomm Incorporated Method and an apparatus for a quick retransmission of signals in a communication system
TW514892B (en) * 2000-04-14 2002-12-21 Koninkl Philips Electronics Nv Device and method
US7159164B1 (en) 2000-06-05 2007-01-02 Qualcomm Incorporated Method and apparatus for recovery of particular bits of a frame
US7187708B1 (en) * 2000-10-03 2007-03-06 Qualcomm Inc. Data buffer structure for physical and transport channels in a CDMA system
US6985516B1 (en) * 2000-11-27 2006-01-10 Qualcomm Incorporated Method and apparatus for processing a received signal in a communications system
US6810078B2 (en) * 2000-12-08 2004-10-26 Prairiecomm, Inc. Blind rate determination
US6829288B2 (en) * 2000-12-11 2004-12-07 Nokia Corporation Communication system having wireless devices supporting ad hoc connections independent of the protocol version
US7746832B2 (en) 2001-01-05 2010-06-29 Qualcomm Incorporated Method and apparatus for supporting adaptive multi-rate (AMR) data in a CDMA communication system
US7065159B2 (en) * 2001-03-14 2006-06-20 Lucent Technologies Inc. Compensation based bit-error-rate estimation for convolutionally encoded transmissions in wireless systems
US6763244B2 (en) * 2001-03-15 2004-07-13 Qualcomm Incorporated Method and apparatus for adjusting power control setpoint in a wireless communication system
US6760576B2 (en) 2001-03-27 2004-07-06 Qualcomm Incorporated Method and apparatus for enhanced rate determination in high data rate wireless communication systems
US6392572B1 (en) * 2001-05-11 2002-05-21 Qualcomm Incorporated Buffer architecture for a turbo decoder
US6848074B2 (en) 2001-06-21 2005-01-25 Arc International Method and apparatus for implementing a single cycle operation in a data processing system
JP2003060638A (ja) * 2001-08-15 2003-02-28 Sony Corp コンテンツ提供装置及びコンテンツ提供方法
DE10208129B4 (de) * 2002-02-26 2005-02-24 Infineon Technologies Ag Schaltung und Verfahren zur Datenratenanpassung bei variablem Ratenverhältnis mit einstellbarer Pufferspeicherpartitionierung
CN100375466C (zh) * 2002-04-10 2008-03-12 中兴通讯股份有限公司 一种数据包转发控制装置和方法
US7111226B1 (en) * 2002-05-31 2006-09-19 Broadcom Corporation Communication decoder employing single trellis to support multiple code rates and/or multiple modulations
WO2004019498A1 (en) * 2002-08-08 2004-03-04 Telefonaktiebolaget Lm Ericsson (Publ) Convolutional decoder and method for decoding demodulated values
US7529276B1 (en) 2002-09-03 2009-05-05 Cisco Technology, Inc. Combined jitter and multiplexing systems and methods
DE10245589B4 (de) * 2002-09-27 2007-04-26 Schleifring Und Apparatebau Gmbh Vorrichtung zur Übertragung digitaler Signale zwischen beweglichen Einheiten
US7023880B2 (en) 2002-10-28 2006-04-04 Qualcomm Incorporated Re-formatting variable-rate vocoder frames for inter-system transmissions
US7536198B1 (en) * 2003-03-28 2009-05-19 Nortel Networks Limited System and method for multiple input multiple output wireless transmission
US20050048995A1 (en) * 2003-08-25 2005-03-03 Motorola, Inc. System and method for controlling the operating characteristics of a buffer
KR100512980B1 (ko) * 2003-11-17 2005-09-07 삼성전자주식회사 메인프로세서의 패킷 헤더 처리 효율 향상을 위해 패킷헤더 필더를 추출해 정렬하는 패킷프로세서,버퍼메모리제어장치 및 그 방법
US7643993B2 (en) * 2006-01-05 2010-01-05 Broadcom Corporation Method and system for decoding WCDMA AMR speech data using redundancy
CN101044731A (zh) * 2004-11-12 2007-09-26 英特尔公司 用于执行通信系统的均衡和解码的方法和设备
US20060239457A1 (en) * 2005-04-26 2006-10-26 Oliver Ridler Selection of 1-out-of-n scrambled code blocks
US8295362B2 (en) * 2006-01-05 2012-10-23 Broadcom Corporation Method and system for redundancy-based decoding of video content
CN1917410B (zh) * 2005-08-19 2010-12-29 北京信威通信技术股份有限公司 一种scdma系统中的信道编码调制方法
US8743909B2 (en) * 2008-02-20 2014-06-03 Qualcomm Incorporated Frame termination
US8630602B2 (en) * 2005-08-22 2014-01-14 Qualcomm Incorporated Pilot interference cancellation
US9071344B2 (en) 2005-08-22 2015-06-30 Qualcomm Incorporated Reverse link interference cancellation
US8611305B2 (en) * 2005-08-22 2013-12-17 Qualcomm Incorporated Interference cancellation for wireless communications
US8594252B2 (en) * 2005-08-22 2013-11-26 Qualcomm Incorporated Interference cancellation for wireless communications
US8359522B2 (en) 2007-05-01 2013-01-22 Texas A&M University System Low density parity check decoder for regular LDPC codes
US7876862B2 (en) * 2007-07-16 2011-01-25 Agere Systems Inc. Conditionally input saturated Viterbi detector
US8245104B2 (en) 2008-05-02 2012-08-14 Lsi Corporation Systems and methods for queue based data detection and decoding
US8995417B2 (en) * 2008-06-09 2015-03-31 Qualcomm Incorporated Increasing capacity in wireless communication
US9237515B2 (en) * 2008-08-01 2016-01-12 Qualcomm Incorporated Successive detection and cancellation for cell pilot detection
US9277487B2 (en) 2008-08-01 2016-03-01 Qualcomm Incorporated Cell detection with interference cancellation
US20100097955A1 (en) * 2008-10-16 2010-04-22 Qualcomm Incorporated Rate determination
US20110080211A1 (en) * 2008-11-20 2011-04-07 Shaohua Yang Systems and Methods for Noise Reduced Data Detection
CN102265345B (zh) 2009-04-28 2015-11-25 安华高科技通用Ip(新加坡)公司 用于读数据处理系统中的动态定标的系统和方法
US9160577B2 (en) * 2009-04-30 2015-10-13 Qualcomm Incorporated Hybrid SAIC receiver
US8787509B2 (en) * 2009-06-04 2014-07-22 Qualcomm Incorporated Iterative interference cancellation receiver
US8352841B2 (en) 2009-06-24 2013-01-08 Lsi Corporation Systems and methods for out of order Y-sample memory management
US8266505B2 (en) 2009-08-12 2012-09-11 Lsi Corporation Systems and methods for retimed virtual data processing
US8831149B2 (en) * 2009-09-03 2014-09-09 Qualcomm Incorporated Symbol estimation methods and apparatuses
US20110064129A1 (en) * 2009-09-16 2011-03-17 Broadcom Corporation Video capture and generation at variable frame rates
US20110090773A1 (en) * 2009-10-16 2011-04-21 Chih-Ching Yu Apparatus for generating viterbi-processed data using an input signal obtained from reading an optical disc
US20110090779A1 (en) * 2009-10-16 2011-04-21 Mediatek Inc. Apparatus for generating viterbi-processed data
US8276053B2 (en) * 2009-11-08 2012-09-25 Mediatek Inc. Decoding circuit operating in response to decoded result and/or a plurality of viterbi target levels with pattern dependency
US9673837B2 (en) 2009-11-27 2017-06-06 Qualcomm Incorporated Increasing capacity in wireless communications
US9509452B2 (en) 2009-11-27 2016-11-29 Qualcomm Incorporated Increasing capacity in wireless communications
US8743936B2 (en) * 2010-01-05 2014-06-03 Lsi Corporation Systems and methods for determining noise components in a signal set
US20110167323A1 (en) * 2010-01-07 2011-07-07 Mediatek Inc. Error-Correcting Apparatus and Method Thereof
ES2532203T3 (es) * 2010-01-12 2015-03-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de audio, decodificador de audio, método para codificar y decodificar una información de audio y programa de computación que obtiene un valor de contexto de sub-región basado en una norma de valores espectrales previamente decodificados
RU2421900C1 (ru) 2010-02-27 2011-06-20 Тимур Георгиевич Келин Многоканальный последовательный декодер витерби
US9343082B2 (en) 2010-03-30 2016-05-17 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for detecting head contact
US8161351B2 (en) 2010-03-30 2012-04-17 Lsi Corporation Systems and methods for efficient data storage
US8418019B2 (en) 2010-04-19 2013-04-09 Lsi Corporation Systems and methods for dynamic scaling in a data decoding system
US8443249B2 (en) 2010-04-26 2013-05-14 Lsi Corporation Systems and methods for low density parity check data encoding
US8527831B2 (en) 2010-04-26 2013-09-03 Lsi Corporation Systems and methods for low density parity check data decoding
US8381071B1 (en) 2010-05-21 2013-02-19 Lsi Corporation Systems and methods for decoder sharing between data sets
US8381074B1 (en) 2010-05-21 2013-02-19 Lsi Corporation Systems and methods for utilizing a centralized queue based data processing circuit
US8208213B2 (en) 2010-06-02 2012-06-26 Lsi Corporation Systems and methods for hybrid algorithm gain adaptation
US8379498B2 (en) 2010-09-13 2013-02-19 Lsi Corporation Systems and methods for track to track phase alignment
US8295001B2 (en) 2010-09-21 2012-10-23 Lsi Corporation Systems and methods for low latency noise cancellation
US9219469B2 (en) 2010-09-21 2015-12-22 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for filter constraint estimation
US8661071B2 (en) 2010-10-11 2014-02-25 Lsi Corporation Systems and methods for partially conditioned noise predictive equalization
US8385014B2 (en) 2010-10-11 2013-02-26 Lsi Corporation Systems and methods for identifying potential media failure
US8560930B2 (en) 2010-10-11 2013-10-15 Lsi Corporation Systems and methods for multi-level quasi-cyclic low density parity check codes
US8443250B2 (en) 2010-10-11 2013-05-14 Lsi Corporation Systems and methods for error correction using irregular low density parity check codes
US8750447B2 (en) 2010-11-02 2014-06-10 Lsi Corporation Systems and methods for variable thresholding in a pattern detector
US8566379B2 (en) 2010-11-17 2013-10-22 Lsi Corporation Systems and methods for self tuning target adaptation
US8667039B2 (en) 2010-11-17 2014-03-04 Lsi Corporation Systems and methods for variance dependent normalization for branch metric calculation
US8810940B2 (en) 2011-02-07 2014-08-19 Lsi Corporation Systems and methods for off track error recovery
US8699167B2 (en) 2011-02-16 2014-04-15 Lsi Corporation Systems and methods for data detection using distance based tuning
US8446683B2 (en) 2011-02-22 2013-05-21 Lsi Corporation Systems and methods for data pre-coding calibration
US8854753B2 (en) 2011-03-17 2014-10-07 Lsi Corporation Systems and methods for auto scaling in a data processing system
US8693120B2 (en) 2011-03-17 2014-04-08 Lsi Corporation Systems and methods for sample averaging in data processing
US8670955B2 (en) 2011-04-15 2014-03-11 Lsi Corporation Systems and methods for reliability assisted noise predictive filtering
US8887034B2 (en) 2011-04-15 2014-11-11 Lsi Corporation Systems and methods for short media defect detection
US8611033B2 (en) 2011-04-15 2013-12-17 Lsi Corporation Systems and methods for selective decoder input data processing
RU2546321C1 (ru) * 2011-05-27 2015-04-10 Хуавэй Текнолоджиз Ко., Лтд. Способ, устройство и система сетевого доступа для обработки речевого сигнала
US8499231B2 (en) 2011-06-24 2013-07-30 Lsi Corporation Systems and methods for reduced format non-binary decoding
US8560929B2 (en) 2011-06-24 2013-10-15 Lsi Corporation Systems and methods for non-binary decoding
US8566665B2 (en) 2011-06-24 2013-10-22 Lsi Corporation Systems and methods for error correction using low density parity check codes using multiple layer check equations
US8862972B2 (en) 2011-06-29 2014-10-14 Lsi Corporation Low latency multi-detector noise cancellation
US8650451B2 (en) 2011-06-30 2014-02-11 Lsi Corporation Stochastic stream decoding of binary LDPC codes
US8595576B2 (en) 2011-06-30 2013-11-26 Lsi Corporation Systems and methods for evaluating and debugging LDPC iterative decoders
US8566666B2 (en) 2011-07-11 2013-10-22 Lsi Corporation Min-sum based non-binary LDPC decoder
US8830613B2 (en) 2011-07-19 2014-09-09 Lsi Corporation Storage media inter-track interference cancellation
US8879182B2 (en) 2011-07-19 2014-11-04 Lsi Corporation Storage media inter-track interference cancellation
US8819527B2 (en) 2011-07-19 2014-08-26 Lsi Corporation Systems and methods for mitigating stubborn errors in a data processing system
US8854754B2 (en) 2011-08-19 2014-10-07 Lsi Corporation Systems and methods for local iteration adjustment
US8539328B2 (en) 2011-08-19 2013-09-17 Lsi Corporation Systems and methods for noise injection driven parameter selection
US9026572B2 (en) 2011-08-29 2015-05-05 Lsi Corporation Systems and methods for anti-causal noise predictive filtering in a data channel
US8656249B2 (en) 2011-09-07 2014-02-18 Lsi Corporation Multi-level LDPC layer decoder
US8756478B2 (en) 2011-09-07 2014-06-17 Lsi Corporation Multi-level LDPC layer decoder
US8681441B2 (en) 2011-09-08 2014-03-25 Lsi Corporation Systems and methods for generating predictable degradation bias
US8661324B2 (en) 2011-09-08 2014-02-25 Lsi Corporation Systems and methods for non-binary decoding biasing control
US8850276B2 (en) 2011-09-22 2014-09-30 Lsi Corporation Systems and methods for efficient data shuffling in a data processing system
US8767333B2 (en) 2011-09-22 2014-07-01 Lsi Corporation Systems and methods for pattern dependent target adaptation
US8689062B2 (en) 2011-10-03 2014-04-01 Lsi Corporation Systems and methods for parameter selection using reliability information
US8578241B2 (en) 2011-10-10 2013-11-05 Lsi Corporation Systems and methods for parity sharing data processing
US8479086B2 (en) 2011-10-03 2013-07-02 Lsi Corporation Systems and methods for efficient parameter modification
US8862960B2 (en) 2011-10-10 2014-10-14 Lsi Corporation Systems and methods for parity shared data encoding
US8996597B2 (en) 2011-10-12 2015-03-31 Lsi Corporation Nyquist constrained digital finite impulse response filter
US8707144B2 (en) 2011-10-17 2014-04-22 Lsi Corporation LDPC decoder with targeted symbol flipping
US8788921B2 (en) 2011-10-27 2014-07-22 Lsi Corporation Detector with soft pruning
US8527858B2 (en) 2011-10-28 2013-09-03 Lsi Corporation Systems and methods for selective decode algorithm modification
US8443271B1 (en) 2011-10-28 2013-05-14 Lsi Corporation Systems and methods for dual process data decoding
US8683309B2 (en) 2011-10-28 2014-03-25 Lsi Corporation Systems and methods for ambiguity based decode algorithm modification
US8604960B2 (en) 2011-10-28 2013-12-10 Lsi Corporation Oversampled data processing circuit with multiple detectors
US8760991B2 (en) 2011-11-14 2014-06-24 Lsi Corporation Systems and methods for post processing gain correction
US8531320B2 (en) 2011-11-14 2013-09-10 Lsi Corporation Systems and methods for memory efficient data decoding
US8700981B2 (en) 2011-11-14 2014-04-15 Lsi Corporation Low latency enumeration endec
US8751913B2 (en) 2011-11-14 2014-06-10 Lsi Corporation Systems and methods for reduced power multi-layer data decoding
US8719686B2 (en) 2011-11-22 2014-05-06 Lsi Corporation Probability-based multi-level LDPC decoder
US8631300B2 (en) 2011-12-12 2014-01-14 Lsi Corporation Systems and methods for scalable data processing shut down
US8625221B2 (en) 2011-12-15 2014-01-07 Lsi Corporation Detector pruning control system
US8819515B2 (en) 2011-12-30 2014-08-26 Lsi Corporation Mixed domain FFT-based non-binary LDPC decoder
US8707123B2 (en) 2011-12-30 2014-04-22 Lsi Corporation Variable barrel shifter
US8751889B2 (en) 2012-01-31 2014-06-10 Lsi Corporation Systems and methods for multi-pass alternate decoding
US8850295B2 (en) 2012-02-01 2014-09-30 Lsi Corporation Symbol flipping data processor
US8775896B2 (en) 2012-02-09 2014-07-08 Lsi Corporation Non-binary LDPC decoder with low latency scheduling
US8749907B2 (en) 2012-02-14 2014-06-10 Lsi Corporation Systems and methods for adaptive decoder message scaling
US8782486B2 (en) 2012-03-05 2014-07-15 Lsi Corporation Systems and methods for multi-matrix data processing
US8731115B2 (en) 2012-03-08 2014-05-20 Lsi Corporation Systems and methods for data processing including pre-equalizer noise suppression
US8610608B2 (en) 2012-03-08 2013-12-17 Lsi Corporation Systems and methods for reduced latency loop correction
US8873182B2 (en) 2012-03-09 2014-10-28 Lsi Corporation Multi-path data processing system
US8977937B2 (en) 2012-03-16 2015-03-10 Lsi Corporation Systems and methods for compression driven variable rate decoding in a data processing system
US9230596B2 (en) 2012-03-22 2016-01-05 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for variable rate coding in a data processing system
US9043684B2 (en) 2012-03-22 2015-05-26 Lsi Corporation Systems and methods for variable redundancy data protection
US8432780B1 (en) 2012-05-10 2013-04-30 Mediatek Inc. Viterbi decoding apparatus using level information generator supporting different hardware configurations to generate level information to Viterbi decoder and related method thereof
US8612826B2 (en) 2012-05-17 2013-12-17 Lsi Corporation Systems and methods for non-binary LDPC encoding
US8880986B2 (en) 2012-05-30 2014-11-04 Lsi Corporation Systems and methods for improved data detection processing
US9019647B2 (en) 2012-08-28 2015-04-28 Lsi Corporation Systems and methods for conditional positive feedback data decoding
US8930780B2 (en) 2012-08-28 2015-01-06 Lsi Corporation Systems and methods for non-zero syndrome based processing
US8751915B2 (en) 2012-08-28 2014-06-10 Lsi Corporation Systems and methods for selectable positive feedback data processing
US9324372B2 (en) 2012-08-28 2016-04-26 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for local iteration randomization in a data decoder
US8949702B2 (en) 2012-09-14 2015-02-03 Lsi Corporation Systems and methods for detector side trapping set mitigation
US8634152B1 (en) 2012-10-15 2014-01-21 Lsi Corporation Systems and methods for throughput enhanced data detection in a data processing circuit
US9112531B2 (en) 2012-10-15 2015-08-18 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for enhanced local iteration randomization in a data decoder
JP6295961B2 (ja) * 2012-11-13 2018-03-20 日本電気株式会社 メッセージ認証システム、およびメッセージ認証方法
US9048870B2 (en) 2012-11-19 2015-06-02 Lsi Corporation Low density parity check decoder with flexible saturation
US9130589B2 (en) 2012-12-19 2015-09-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Low density parity check decoder with dynamic scaling
US8929009B2 (en) 2012-12-19 2015-01-06 Lsi Corporation Irregular low density parity check decoder with low syndrome error handling
US8773791B1 (en) 2013-01-14 2014-07-08 Lsi Corporation Systems and methods for X-sample based noise cancellation
US9003263B2 (en) 2013-01-15 2015-04-07 Lsi Corporation Encoder and decoder generation by state-splitting of directed graph
US9009557B2 (en) 2013-01-21 2015-04-14 Lsi Corporation Systems and methods for reusing a layered decoder to yield a non-layered result
US8930792B2 (en) 2013-02-14 2015-01-06 Lsi Corporation Systems and methods for distributed low density parity check decoding
US8885276B2 (en) 2013-02-14 2014-11-11 Lsi Corporation Systems and methods for shared layer data decoding
US9214959B2 (en) 2013-02-19 2015-12-15 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for skip layer data decoding
US8797668B1 (en) 2013-03-13 2014-08-05 Lsi Corporation Systems and methods for penalty based multi-variant encoding
US9048873B2 (en) 2013-03-13 2015-06-02 Lsi Corporation Systems and methods for multi-stage encoding of concatenated low density parity check codes
US9048874B2 (en) 2013-03-15 2015-06-02 Lsi Corporation Min-sum based hybrid non-binary low density parity check decoder
US9281843B2 (en) 2013-03-22 2016-03-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for reduced constraint code data processing
US9048867B2 (en) 2013-05-21 2015-06-02 Lsi Corporation Shift register-based layered low density parity check decoder
US9274889B2 (en) 2013-05-29 2016-03-01 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for data processing using global iteration result reuse
US8959414B2 (en) 2013-06-13 2015-02-17 Lsi Corporation Systems and methods for hybrid layer data decoding
US8917466B1 (en) 2013-07-17 2014-12-23 Lsi Corporation Systems and methods for governing in-flight data sets in a data processing system
US8817404B1 (en) 2013-07-18 2014-08-26 Lsi Corporation Systems and methods for data processing control
US9196299B2 (en) 2013-08-23 2015-11-24 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for enhanced data encoding and decoding
US8908307B1 (en) 2013-08-23 2014-12-09 Lsi Corporation Systems and methods for hard disk drive region based data encoding
US9047882B2 (en) 2013-08-30 2015-06-02 Lsi Corporation Systems and methods for multi-level encoding and decoding
US9129651B2 (en) 2013-08-30 2015-09-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Array-reader based magnetic recording systems with quadrature amplitude modulation
US9298720B2 (en) 2013-09-17 2016-03-29 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for fragmented data recovery
CN104518801A (zh) 2013-09-29 2015-04-15 Lsi公司 非二进制的分层低密度奇偶校验解码器
US9219503B2 (en) 2013-10-16 2015-12-22 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for multi-algorithm concatenation encoding and decoding
US9323606B2 (en) 2013-11-21 2016-04-26 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for FAID follower decoding
US9363750B2 (en) 2013-12-06 2016-06-07 Qualcomm Incorporated Devices and methods for control channel decoding with preamble skip to reduce decoding time
US9130599B2 (en) 2013-12-24 2015-09-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods of converting detector output to multi-level soft information
RU2014104571A (ru) 2014-02-10 2015-08-20 ЭлЭсАй Корпорейшн Системы и способы для эффективного с точки зрения площади кодирования данных
US9378765B2 (en) 2014-04-03 2016-06-28 Seagate Technology Llc Systems and methods for differential message scaling in a decoding process
US10284330B2 (en) * 2015-04-03 2019-05-07 Huawei Technologies Co., Ltd. Data transmission method, device, and system
RU2616180C1 (ru) * 2015-11-30 2017-04-12 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Владимирский государственный университет имени Александра Григорьевича и Николая Григорьевича Столетовых" (ВлГУ) Способ диагностики сверточных кодов
US10503435B2 (en) * 2016-12-01 2019-12-10 Qualcomm Incorporated Providing extended dynamic random access memory (DRAM) burst lengths in processor-based systems

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4748626A (en) * 1987-01-28 1988-05-31 Racal Data Communications Inc. Viterbi decoder with reduced number of data move operations
US4845714A (en) * 1987-06-08 1989-07-04 Exabyte Corporation Multiple pass error correction process and apparatus for product codes
US5023889A (en) * 1988-05-31 1991-06-11 California Institute Of Technology Trellis coded multilevel DPSK system with doppler correction for mobile satellite channels
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
US5056117A (en) * 1989-08-07 1991-10-08 At&T Bell Laboratories Decision feedback equalization with trellis coding
CA2020899C (en) * 1989-08-18 1995-09-05 Nambirajan Seshadri Generalized viterbi decoding algorithms
US5416787A (en) * 1991-07-30 1995-05-16 Kabushiki Kaisha Toshiba Method and apparatus for encoding and decoding convolutional codes
JP2683665B2 (ja) * 1991-11-27 1997-12-03 日本電気株式会社 最尤系列推定装置
IL104412A (en) * 1992-01-16 1996-11-14 Qualcomm Inc Method and instrument for the formation of data for transmission

Also Published As

Publication number Publication date
US5710784A (en) 1998-01-20
CA2171220C (en) 2003-11-25
IL111012A0 (en) 1994-11-28
ZA947317B (en) 1995-05-10
DE69429356T2 (de) 2002-08-22
WO1995008888A1 (en) 1995-03-30
JPH09503359A (ja) 1997-03-31
HK1015213A1 (en) 1999-10-08
CN1133660A (zh) 1996-10-16
KR100335038B1 (ko) 2002-10-09
MY113287A (en) 2002-01-31
BR9407595A (pt) 1997-01-07
EP0720797B1 (en) 2001-12-05
DE69429356D1 (de) 2002-01-17
RU2222110C2 (ru) 2004-01-20
AU7877794A (en) 1995-04-10
DK0720797T3 (da) 2002-02-25
EP0720797A1 (en) 1996-07-10
SG52701A1 (en) 1998-09-28
CA2171220A1 (en) 1995-03-30
PT720797E (pt) 2002-05-31
ES2168313T3 (es) 2002-06-16
IL111012A (en) 1999-09-22
ATE210350T1 (de) 2001-12-15
FI116501B (sv) 2005-11-30
JP3290989B2 (ja) 2002-06-10
CN1096163C (zh) 2002-12-11
KR960705437A (ko) 1996-10-09
FI961344A0 (sv) 1996-03-22
AU682542B2 (en) 1997-10-09

Similar Documents

Publication Publication Date Title
FI961344A (sv) Flerhastighets-Viterbi-serie-avkodare för CDMA-tillämpningar
US4908827A (en) Forward error correction system
US5151904A (en) Reconfigurable, multi-user viterbi decoder
KR970004433A (ko) 2개의 최상 복호 경로를 갖는 비터비 복호기
KR960020039A (ko) 가변 비트 레이트 판별 방법 및 장치
CA2344046A1 (en) Turbo product code decoder
CA2290580A1 (en) Device and method for selecting turbo or non-turbo error correction codes based on data type or length
GB2326570A (en) Decoding trellis coded data
US6865710B2 (en) Butterfly processor for telecommunications
HK1055861A1 (en) Method for enhanced slice prediction feedback.
CN1369980B (zh) 一种用于在通信系统中编码/解码的方法及一种解码装置
KR20000021049A (ko) 비터비 디코더의 가산 비교 선택 회로
KR100248379B1 (ko) 단일 콘케티네이티드 부호기를 이용한 통신 장치 및 이를 이용한 통신 방법
MY130133A (en) Method and apparatus for decoding error correction code
KR19990076387A (ko) 격자복호기의 역추적장치
MX9804018A (es) Metodo y aparato para combinar, de manera condicionada, la metrica de los bits en un decodificador viterbi para decodificar una señal de informacion recibida.
KR100301861B1 (ko) 비터비 디코더의 디코딩 시간 감소 방법
WO2000008768A1 (en) Viterbi decoder with reduced size path metric memory
KR19990002525A (ko) 병렬 채널 비터비 디코더
Sonar et al. An Improved Dynamically Reconfigurable Pipelined Adaptive Viterbi Decoder for High Throughput
Meier A Viterbi decoder architecture based on parallel processing elements
KR100222426B1 (ko) Cdma 디지탈 셀룰라 단말기에서 디지탈 신호처리 프로세서로 구성된 채널복호화장치
TW234227B (en) Decreasing length tracebacks
JPH11234144A (ja) 復号データの再符号化方法および装置
Chern et al. A VLSI architecture of SMU for strongly connected Viterbi decoder

Legal Events

Date Code Title Description
FG Patent granted

Ref document number: 116501

Country of ref document: FI

MA Patent expired