ATE295999T1 - Vorrichtung und verfahren zur korrelationzeitauswahl bei rake-empfängern - Google Patents

Vorrichtung und verfahren zur korrelationzeitauswahl bei rake-empfängern

Info

Publication number
ATE295999T1
ATE295999T1 AT00959379T AT00959379T ATE295999T1 AT E295999 T1 ATE295999 T1 AT E295999T1 AT 00959379 T AT00959379 T AT 00959379T AT 00959379 T AT00959379 T AT 00959379T AT E295999 T1 ATE295999 T1 AT E295999T1
Authority
AT
Austria
Prior art keywords
signal
correlation
correlation times
multipath components
rake receiver
Prior art date
Application number
AT00959379T
Other languages
English (en)
Inventor
Tony Ottosson
Yi-Pin Eric Wang
Gregory Edward Bottomley
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 ATE295999T1 publication Critical patent/ATE295999T1/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
    • 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
    • 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
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
  • Superheterodyne Receivers (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
AT00959379T 1999-10-19 2000-08-24 Vorrichtung und verfahren zur korrelationzeitauswahl bei rake-empfängern ATE295999T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/420,957 US6683924B1 (en) 1999-10-19 1999-10-19 Apparatus and methods for selective correlation timing in rake receivers
PCT/US2000/023297 WO2001029982A1 (en) 1999-10-19 2000-08-24 Apparatus and method for selection of correlation timing in rake receivers

Publications (1)

Publication Number Publication Date
ATE295999T1 true ATE295999T1 (de) 2005-06-15

Family

ID=23668566

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00959379T ATE295999T1 (de) 1999-10-19 2000-08-24 Vorrichtung und verfahren zur korrelationzeitauswahl bei rake-empfängern

Country Status (8)

Country Link
US (1) US6683924B1 (de)
EP (1) EP1222747B1 (de)
JP (1) JP4559002B2 (de)
CN (1) CN100449956C (de)
AT (1) ATE295999T1 (de)
AU (1) AU7071300A (de)
DE (1) DE60020256D1 (de)
WO (1) WO2001029982A1 (de)

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US6967989B2 (en) * 2002-05-17 2005-11-22 Motorola, Inc. Method and apparatus for time-sharing a rake receiver structure
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JP4259964B2 (ja) * 2003-09-12 2009-04-30 富士通株式会社 ＭＩＸＲ機能を有するＲａｋｅ受信機
JP4238987B2 (ja) * 2003-10-08 2009-03-18 日本電気株式会社 Ｃｄｍａ受信方法及び装置
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US7848389B2 (en) * 2004-03-12 2010-12-07 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for scaling parameter estimation in parametric generalized rake receivers
US7539240B2 (en) * 2004-03-12 2009-05-26 Telefonaftiebolaget Lm Ericsson (Publ) Method and apparatus for parameter estimation in a generalized rake receiver
US7536158B2 (en) * 2004-03-29 2009-05-19 Telefonaktiebolaget Lm Ericsson (Publ) Impairment correlation estimation in a spread spectrum system
JP4329594B2 (ja) * 2004-03-30 2009-09-09 富士通株式会社 アレーアンテナ無線通信装置およびそのパスタイミング検出方法
US7711035B2 (en) * 2004-09-17 2010-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for suppressing communication signal interference
US8867676B2 (en) * 2004-09-17 2014-10-21 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for controlling interference suppressing receivers
US7453961B1 (en) * 2005-01-11 2008-11-18 Itt Manufacturing Enterprises, Inc. Methods and apparatus for detection of signal timing
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US7944993B2 (en) * 2006-08-22 2011-05-17 Viasat, Inc. Downstream broad beam diversity
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US7751467B2 (en) * 2006-12-04 2010-07-06 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for selecting signal processing delays based on historical selection data
US8150327B2 (en) * 2007-03-19 2012-04-03 Apple Inc. Channel sounding techniques for a wireless communication system
US8798214B2 (en) * 2007-11-14 2014-08-05 Qualcomm Incorporated Minimum finger low-power demodulator for wireless communication
US9225386B2 (en) * 2007-11-20 2015-12-29 Sony Corporation Method for placement of fingers with G-Rake advanced receiver
US8295417B2 (en) * 2008-06-05 2012-10-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for efficient estimation of interference in a wireless receiver
CN102035779B (zh) * 2009-09-27 2013-10-30 承景科技股份有限公司 解调模块、信号分析装置与信号分析方法
JP5628646B2 (ja) * 2010-11-26 2014-11-19 京セラ株式会社 通信装置および通信方法
US8787426B2 (en) 2011-09-28 2014-07-22 Telefonaktiebolaget Lm Ericsson (Publ) Finger placement in multi-stage interference cancellation
US8761323B2 (en) 2011-09-28 2014-06-24 Telefonaktiebolaget Lm Ericsson (Publ) Impairment covariance and combining weight updates during iterative turbo interference cancellation reception
US9031117B2 (en) * 2012-12-06 2015-05-12 Qualcomm Incorporated Methods and apparatus for handling fingers with large delay spread through utility optimization
US9595988B2 (en) * 2014-12-10 2017-03-14 Intel Corporation Communication device and method for receiving a signal
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Also Published As

Publication number Publication date
AU7071300A (en) 2001-04-30
US6683924B1 (en) 2004-01-27
EP1222747A1 (de) 2002-07-17
JP4559002B2 (ja) 2010-10-06
CN1411635A (zh) 2003-04-16
CN100449956C (zh) 2009-01-07
EP1222747B1 (de) 2005-05-18
DE60020256D1 (de) 2005-06-23
JP2003512758A (ja) 2003-04-02
WO2001029982A1 (en) 2001-04-26

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