ATE484107T1 - Verfahren und vorrichtung zur ausgewählte demodulierung und decodierung von nachrichtenübertragungssignalen - Google Patents

Verfahren und vorrichtung zur ausgewählte demodulierung und decodierung von nachrichtenübertragungssignalen

Info

Publication number
ATE484107T1
ATE484107T1 AT02759256T AT02759256T ATE484107T1 AT E484107 T1 ATE484107 T1 AT E484107T1 AT 02759256 T AT02759256 T AT 02759256T AT 02759256 T AT02759256 T AT 02759256T AT E484107 T1 ATE484107 T1 AT E484107T1
Authority
AT
Austria
Prior art keywords
symbol
decoding
quality
determined
spread spectrum
Prior art date
Application number
AT02759256T
Other languages
English (en)
Inventor
Erik Dahlman
Yi-Pin Wang
Paul Dent
Gregory Bottomley
Ali Khayrallah
Christer Ostberg
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of ATE484107T1 publication Critical patent/ATE484107T1/de

Links

Classifications

    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • 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
    • H04B1/709—Correlator structure
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • 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
    • H04B2201/70707—Efficiency-related aspects
    • H04B2201/7071—Efficiency-related aspects with dynamic control of receiver resources
    • 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
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709727—GRAKE type RAKE receivers
AT02759256T 2001-08-07 2002-08-06 Verfahren und vorrichtung zur ausgewählte demodulierung und decodierung von nachrichtenübertragungssignalen ATE484107T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/923,374 US7440489B2 (en) 2001-08-07 2001-08-07 Method and apparatus for selective demodulation and decoding of communications signals
PCT/US2002/024705 WO2003015306A1 (en) 2001-08-07 2002-08-06 Methods and apparatus for selective demodulation and decoding of communications signals

Publications (1)

Publication Number Publication Date
ATE484107T1 true ATE484107T1 (de) 2010-10-15

Family

ID=25448582

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02759256T ATE484107T1 (de) 2001-08-07 2002-08-06 Verfahren und vorrichtung zur ausgewählte demodulierung und decodierung von nachrichtenübertragungssignalen

Country Status (6)

Country Link
US (1) US7440489B2 (de)
EP (1) EP1417776B1 (de)
JP (1) JP4295094B2 (de)
AT (1) ATE484107T1 (de)
DE (1) DE60237898D1 (de)
WO (1) WO2003015306A1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6714769B2 (en) * 2002-03-08 2004-03-30 Interdigital Technology Corporation Method and system for implementing smart antennas and diversity techniques
US7118877B2 (en) * 2002-07-08 2006-10-10 Wyeth Caspase 9 activation and uses therefor
US7675963B2 (en) * 2002-07-29 2010-03-09 Infineon Technologies Ag Method and device for passing parameters to rake receiver
US8867676B2 (en) * 2004-09-17 2014-10-21 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for controlling interference suppressing receivers
US7817604B2 (en) * 2005-06-13 2010-10-19 Telefonaktiebolaget L M Ericsson (Publ) Shared control channel detection strategies
US7424071B2 (en) * 2005-06-27 2008-09-09 Icera Inc. Decoder and a method for determining a decoding reliability indicator
US8223904B2 (en) * 2005-08-22 2012-07-17 Qualcomm Incorporated Multiple hypothesis decoding
US7852902B2 (en) * 2005-09-30 2010-12-14 Telefonaktiebolaget L M Ericsson (Publ) Method of and apparatus for multi-path signal component combining
US7693239B2 (en) * 2006-02-08 2010-04-06 Harris Corporation Apparatus for decoding convolutional codes and associated method
US20100189162A1 (en) * 2006-09-06 2010-07-29 Takashi Yoshimoto Transmission-and-reception apparatus, transmission-and-reception system, and transmission-and-reception method
US8000413B2 (en) * 2007-08-20 2011-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Selective signal demodulation method and apparatus
US8098767B2 (en) * 2007-12-20 2012-01-17 Qualcomm Incorporated Receiver adjustment between pilot bursts
US8270453B2 (en) * 2008-11-03 2012-09-18 Telefonaktiebolaget L M Ericsson (Publ) System and method for parallel interference cancellation with covariance root processing
US8406354B2 (en) * 2009-07-01 2013-03-26 Telefonaktiebolaget L M Ericsson (Publ) Interference cancellation in a multi-user receiver
CN101964995B (zh) * 2009-07-21 2013-03-27 中兴通讯股份有限公司 WCDMA系统NodeB侧上行基带芯片参数更新方法及装置
US8064531B2 (en) 2009-11-04 2011-11-22 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for interferer parameter estimation using multiple receiver arbitration
US8751915B2 (en) * 2012-08-28 2014-06-10 Lsi Corporation Systems and methods for selectable positive feedback data processing
US9214959B2 (en) 2013-02-19 2015-12-15 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for skip layer data decoding
GB2513341A (en) * 2013-04-23 2014-10-29 Ibm Method and system for data de-duplication
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
US9298720B2 (en) 2013-09-17 2016-03-29 Avago Technologies General Ip (Singapore) Pte. Ltd. Systems and methods for fragmented data recovery
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
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
US9270418B1 (en) * 2015-09-02 2016-02-23 Cognitive Systems Corp. Identifying a code for signal decoding
US10389486B1 (en) * 2018-10-05 2019-08-20 Cypress Semiconductor Corporation Parallel processing of dirty packets in Bluetooth and Bluetooth low energy systems

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2039373C (en) 1990-03-30 1996-09-10 Kazuhiro Okanoue Digital data communication system with adaptive channel response estimation
US5151919A (en) * 1990-12-17 1992-09-29 Ericsson-Ge Mobile Communications Holding Inc. Cdma subtractive demodulation
US5230003A (en) * 1991-02-08 1993-07-20 Ericsson-Ge Mobile Communications Holding, Inc. Decoding system for distinguishing different types of convolutionally-encoded signals
US5208829A (en) * 1991-03-26 1993-05-04 Hughes Aircraft Company Communication satellite system having an increased power output density per unit of bandwidth
CA2083304C (en) 1991-12-31 1999-01-26 Stephen R. Huszar Equalization and decoding for digital communication channel
US5841816A (en) * 1992-10-22 1998-11-24 Ericsson Inc. Diversity Pi/4-DQPSK demodulation
US5305349A (en) * 1993-04-29 1994-04-19 Ericsson Ge Mobile Communications Inc. Quantized coherent rake receiver
AU1052895A (en) * 1993-11-09 1995-05-29 Pacific Communication Sciences, Inc. Method and apparatus for dual demodulation of mobile channel signals
US5572552A (en) * 1994-01-27 1996-11-05 Ericsson Ge Mobile Communications Inc. Method and system for demodulation of downlink CDMA signals
US5619513A (en) * 1994-06-20 1997-04-08 Siemens Business Communications Systems, Inc. Fast, cost-effective method for memory testing
US5557645A (en) * 1994-09-14 1996-09-17 Ericsson-Ge Mobile Communications Inc. Channel-independent equalizer device
JP3286189B2 (ja) * 1996-11-14 2002-05-27 松下電器産業株式会社 アルゴリズムダイバーシチを用いた受信装置
US5937014A (en) * 1997-03-27 1999-08-10 Telefonaktiebolaget Lm Ericsson Self-synchronizing equalization techniques and systems
DE69828476T2 (de) * 1997-10-31 2005-12-29 Matsushita Electric Industrial Co., Ltd., Kadoma Vorrichtung zum Diversity-Empfang
US6363104B1 (en) * 1998-10-02 2002-03-26 Ericsson Inc. Method and apparatus for interference cancellation in a rake receiver
US6463097B1 (en) * 1998-10-16 2002-10-08 Koninklijke Philips Electronics N.V. Rate detection in direct sequence code division multiple access systems
US7184462B1 (en) 1998-12-04 2007-02-27 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for configuring a rake receiver
CN1307766A (zh) * 1999-02-26 2001-08-08 三菱电机株式会社 Cdma解调装置及方法、以及cdma移动通信系统
US6714585B1 (en) * 1999-06-25 2004-03-30 Ericsson Inc. Rake combining methods and apparatus using weighting factors derived from knowledge of spreading spectrum signal characteristics
US6801565B1 (en) * 1999-06-25 2004-10-05 Ericsson Inc. Multi-stage rake combining methods and apparatus
US6922434B2 (en) * 1999-10-19 2005-07-26 Ericsson Inc. Apparatus and methods for finger delay selection in RAKE receivers
US6683924B1 (en) 1999-10-19 2004-01-27 Ericsson Inc. Apparatus and methods for selective correlation timing in rake receivers
US6570910B1 (en) * 1999-10-25 2003-05-27 Ericsson Inc. Baseband processor with look-ahead parameter estimation capabilities

Also Published As

Publication number Publication date
US20030031236A1 (en) 2003-02-13
JP4295094B2 (ja) 2009-07-15
DE60237898D1 (de) 2010-11-18
EP1417776A1 (de) 2004-05-12
EP1417776B1 (de) 2010-10-06
JP2005526413A (ja) 2005-09-02
US7440489B2 (en) 2008-10-21
WO2003015306A1 (en) 2003-02-20

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