DE69803351D1 - Zusammengesetztes Trellissystem und -verfahren - Google Patents

Zusammengesetztes Trellissystem und -verfahren

Info

Publication number
DE69803351D1
DE69803351D1 DE69803351T DE69803351T DE69803351D1 DE 69803351 D1 DE69803351 D1 DE 69803351D1 DE 69803351 T DE69803351 T DE 69803351T DE 69803351 T DE69803351 T DE 69803351T DE 69803351 D1 DE69803351 D1 DE 69803351D1
Authority
DE
Germany
Prior art keywords
trellis system
composite trellis
composite
trellis
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69803351T
Other languages
English (en)
Other versions
DE69803351T2 (de
Inventor
Ronald Huff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commscope Technologies LLC
Original Assignee
COMTIER SANTA CLARA
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 COMTIER SANTA CLARA filed Critical COMTIER SANTA CLARA
Application granted granted Critical
Publication of DE69803351D1 publication Critical patent/DE69803351D1/de
Publication of DE69803351T2 publication Critical patent/DE69803351T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03M13/6325—Error control coding in combination with demodulation
    • 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
    • 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
    • H03M13/4107—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors implementing add, compare, select [ACS] operations
    • 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
    • H04L25/03203—Trellis search techniques
    • 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
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03401—PSK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0038—Correction of carrier offset using an equaliser
    • H04L2027/0042—Correction of carrier offset using an equaliser the equaliser providing the offset correction per se
DE69803351T 1997-10-30 1998-10-30 Zusammengesetztes Trellissystem und -verfahren Expired - Fee Related DE69803351T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/961,324 US5974091A (en) 1997-10-30 1997-10-30 Composite trellis system and method

Publications (2)

Publication Number Publication Date
DE69803351D1 true DE69803351D1 (de) 2002-02-28
DE69803351T2 DE69803351T2 (de) 2002-08-14

Family

ID=25504329

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69803351T Expired - Fee Related DE69803351T2 (de) 1997-10-30 1998-10-30 Zusammengesetztes Trellissystem und -verfahren

Country Status (11)

Country Link
US (1) US5974091A (de)
EP (2) EP0913950B1 (de)
JP (1) JP2001522194A (de)
AU (1) AU1293099A (de)
BR (1) BR9813354A (de)
CA (1) CA2308211C (de)
DE (1) DE69803351T2 (de)
ES (1) ES2170989T3 (de)
IL (1) IL135731A (de)
MX (1) MXPA00004141A (de)
WO (1) WO1999023779A2 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
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US6373858B1 (en) * 1997-04-21 2002-04-16 Hughes Electronics Corporation Burst format and associated signal processing to improve frequency and timing estimation for random access channels
US6339624B1 (en) * 1997-08-19 2002-01-15 Stanford Telecommunications, Inc. Trellis decoding with multiple symbol noncoherent detection and diversity combining
US6477208B1 (en) * 1997-10-30 2002-11-05 Comtier Composite trellis system and method
JP3185867B2 (ja) * 1997-11-28 2001-07-11 日本電気株式会社 誤差検出方法および装置、信号復調方法および装置
US6421399B1 (en) * 1998-03-05 2002-07-16 Agere Systems Guardian Corporation Frequency and phase estimation for MPSK signals
US6738949B2 (en) * 1998-05-13 2004-05-18 Matsushita Electric Industrial Co., Ltd. Error correction circuit and error correction method
US7277506B1 (en) * 1999-08-09 2007-10-02 Broadcom Corporation Maximum likelihood sequence estimator which computes branch metrics in real time
US6680980B1 (en) * 1999-09-03 2004-01-20 Infineon Technologies North America Corp. Supporting ME2PRML and M2EPRML with the same trellis structure
US6654921B1 (en) 1999-10-15 2003-11-25 Cisco Technology, Inc. Decoding data from multiple sources
AU4515801A (en) * 1999-12-03 2001-06-18 Broadcom Corporation Viterbi slicer for turbo codes
US6560749B1 (en) * 2000-01-28 2003-05-06 Nec Electronics, Inc. Apparatus and method for implementing a decoder for convolutionally encoded symbols
US6622283B1 (en) * 2000-01-28 2003-09-16 Nec Electronics, Inc. Digital signal processor decoding of convolutionally encoded symbols
US6484285B1 (en) * 2000-02-07 2002-11-19 Ericsson, Inc. Tailbiting decoder and method
US6665832B1 (en) * 2000-03-31 2003-12-16 Qualcomm, Incorporated Slotted mode decoder state metric initialization
US6795511B1 (en) * 2000-09-27 2004-09-21 Storage Technology Corporation Method for reducing the sensitivity of a maximum likelihood detection trellis to channel variations
US7113555B2 (en) * 2002-10-15 2006-09-26 International Business Machines Corporation Data channel with joint data estimation and timing recovery
WO2004049663A1 (en) * 2002-11-27 2004-06-10 Research In Motion Limited Method and system for applying viterbi type psk demodulation for optimum correlation of gps signals
DE10342361B3 (de) * 2003-09-12 2005-04-21 Infineon Technologies Ag Demodulation eines frequenzmodulierten Empfangssignals mittel zweistufiger Pfadselektion in einem Trellis-Diagramm
KR100896684B1 (ko) 2004-01-27 2009-05-14 삼성전자주식회사 수신 성능이 향상된 디지털 방송 송수신 시스템 및 그의신호처리방법
KR100692596B1 (ko) 2004-05-06 2007-03-13 삼성전자주식회사 수신 성능이 향상된 디지털 방송 송수신 시스템 및 그의신호처리방법
JP4432781B2 (ja) * 2005-01-17 2010-03-17 株式会社日立製作所 誤り訂正復号器
US7680180B2 (en) * 2005-12-20 2010-03-16 Yuwei Zhang Decision feedback equalization with composite trellis slicer
US20070266303A1 (en) * 2006-04-27 2007-11-15 Qualcomm Incorporated Viterbi decoding apparatus and techniques
US8259866B2 (en) * 2008-01-04 2012-09-04 Qualcomm Incorporated Decoding scheme using A-priori information about transmitted messages
US8259867B2 (en) * 2008-01-04 2012-09-04 Qualcomm Incorporated Methods and systems for turbo decoding in a wireless communication system
US8731032B2 (en) * 2010-10-12 2014-05-20 Electronics And Telecommunications Research Institute Communication apparatus for continuous phase modulation signal
KR102043023B1 (ko) * 2012-11-09 2019-11-12 삼성전자주식회사 이동 통신 시스템에서 다중-접속 신호 생성/복원 방법 및 장치
US9077501B1 (en) * 2013-05-03 2015-07-07 Marvell International Ltd. Systems and methods for detecting cycle slip and/or framing error
CN109480815B (zh) * 2018-12-29 2021-10-29 出门问问信息科技有限公司 心率测量方法及装置
CN113055327B (zh) * 2019-12-26 2022-11-29 鹤壁天海电子信息系统有限公司 一种信号解调方法、装置及信号解调器
CN113973037A (zh) * 2020-07-24 2022-01-25 晶晨半导体(上海)股份有限公司 解调方法、装置、设备以及计算机可读存储介质
US20210117359A1 (en) * 2020-12-24 2021-04-22 Krishna Kumar Nagar User Signals for Data Transmission Over a Bus Interface Protocol

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578800A (en) * 1982-07-12 1986-03-25 Yutaka Yasuda Synchronization circuit for a Viterbi decoder
US5303263A (en) * 1991-06-25 1994-04-12 Oki Electric Industry Co., Ltd. Transmission channel characteristic equalizer
JP2683665B2 (ja) * 1991-11-27 1997-12-03 日本電気株式会社 最尤系列推定装置
US5291499A (en) * 1992-03-16 1994-03-01 Cirrus Logic, Inc. Method and apparatus for reduced-complexity viterbi-type sequence detectors
US5390198A (en) * 1993-05-26 1995-02-14 The Boeing Company Soft decision viterbi decoder for M-ary convolutional codes
US5414738A (en) * 1993-11-09 1995-05-09 Motorola, Inc. Maximum likelihood paths comparison decoder
DE69531928T2 (de) * 1994-06-23 2004-07-22 Ntt Mobile Communications Network Inc. Maximalwahrscheinlichkeitsdekodierung und verfahren zur synchronen detektion
JP2605641B2 (ja) * 1994-11-14 1997-04-30 日本電気株式会社 可変ビットレート判別方法及び装置
US5675590A (en) * 1994-11-23 1997-10-07 At&T Wireless Services, Inc. Cyclic trellis coded modulation
FR2730110A1 (fr) * 1995-01-27 1996-08-02 Thomson Csf Procede de transmission d'informations
US5774500A (en) * 1995-12-08 1998-06-30 Board Of Trustees, The Leland Stanford Jr., University Multi-channel trellis shaper

Also Published As

Publication number Publication date
EP1130787A2 (de) 2001-09-05
ES2170989T3 (es) 2002-08-16
US5974091A (en) 1999-10-26
IL135731A (en) 2004-05-12
JP2001522194A (ja) 2001-11-13
WO1999023779A2 (en) 1999-05-14
CA2308211C (en) 2003-12-16
IL135731A0 (en) 2001-05-20
WO1999023779A3 (en) 1999-07-15
EP0913950B1 (de) 2002-01-02
MXPA00004141A (es) 2003-08-01
DE69803351T2 (de) 2002-08-14
AU1293099A (en) 1999-05-24
EP0913950A3 (de) 1999-09-08
BR9813354A (pt) 2000-08-22
EP0913950A2 (de) 1999-05-06
CA2308211A1 (en) 1999-05-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ANDREW CORP., ORLAND PARK, ILL., US

8339 Ceased/non-payment of the annual fee