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TW200727606A - Generalized rake receiver for wireless communication - Google Patents

Generalized rake receiver for wireless communication

Info

Publication number
TW200727606A
TW200727606A TW095132968A TW95132968A TW200727606A TW 200727606 A TW200727606 A TW 200727606A TW 095132968 A TW095132968 A TW 095132968A TW 95132968 A TW95132968 A TW 95132968A TW 200727606 A TW200727606 A TW 200727606A
Authority
TW
Taiwan
Prior art keywords
rake receiver
escort
correlator
wireless communication
finger
Prior art date
Application number
TW095132968A
Other languages
English (en)
Inventor
Babak Daneshrad
Christian Oberli
Jatin Bhatia
Yogendra C Shah
Original Assignee
Interdigital Tech 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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of TW200727606A publication Critical patent/TW200727606A/zh

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
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • 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
    • H04B1/709—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
    • 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
    • H04B2201/70702—Intercell-related aspects
    • 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)
TW095132968A 2005-02-24 2006-02-07 Generalized rake receiver for wireless communication TW200727606A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65606205P 2005-02-24 2005-02-24
US11/173,046 US7606295B2 (en) 2005-02-24 2005-07-01 Generalized rake receiver for wireless communication

Publications (1)

Publication Number Publication Date
TW200727606A true TW200727606A (en) 2007-07-16

Family

ID=36912683

Family Applications (2)

Application Number Title Priority Date Filing Date
TW095104128A TWI323575B (en) 2005-02-24 2006-02-07 Generalized rake receiver for wireless communication
TW095132968A TW200727606A (en) 2005-02-24 2006-02-07 Generalized rake receiver for wireless communication

Family Applications Before (1)

Application Number Title Priority Date Filing Date
TW095104128A TWI323575B (en) 2005-02-24 2006-02-07 Generalized rake receiver for wireless communication

Country Status (3)

Country Link
US (1) US7606295B2 (zh)
TW (2) TWI323575B (zh)
WO (1) WO2006091359A2 (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1701453B1 (en) * 2005-03-07 2007-11-21 Mitsubishi Electric Information Technology Centre Europe B.V. Method for detecting UWB pulse sequences in a cost-efficient manner
US8320356B2 (en) * 2005-04-28 2012-11-27 Panasonic Corporation Wireless communication apparatus and wireless communication method
US8036296B2 (en) * 2006-09-28 2011-10-11 Broadcom Corporation Method and system for achieving space and time diversity gain
US7865158B2 (en) * 2005-07-26 2011-01-04 Interdigital Technology Corporation Method and apparatus for automatically correcting receiver oscillator frequency
US7852902B2 (en) * 2005-09-30 2010-12-14 Telefonaktiebolaget L M Ericsson (Publ) Method of and apparatus for multi-path signal component combining
US7602838B2 (en) * 2005-12-22 2009-10-13 Telefonaktiebolaget Lm Ericsson (Publ) Linear turbo equalization using despread values
US8295328B2 (en) * 2006-10-11 2012-10-23 Telefonaktiebolaget Lm Ericsson (Publ) Doppler frequency control of G-rake receiver
US8229044B2 (en) * 2007-06-14 2012-07-24 Telefonaktiebolaget Lm Ericsson (Publ) Efficient covariance computation by table lookup
TWI350070B (en) * 2007-06-28 2011-10-01 Sunplus Mmobile Inc Rake receiver and de-spreading method thereof
US8045600B2 (en) * 2008-04-29 2011-10-25 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for compensating for processing timing misalignment in a communication receiver
US10411834B2 (en) * 2016-06-19 2019-09-10 Lg Electronics Inc. Data transmission method and apparatus

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6885691B1 (en) 1999-08-02 2005-04-26 Lg Information & Communications, Ltd. Scrambling codes and channelization codes for multiple chip rate signals in CDMA cellular mobile radio communication system
US6879576B1 (en) 2000-09-06 2005-04-12 Qualcomm Incorporated Method and apparatus for processing a physical channel with partial transport format information
JP4531969B2 (ja) * 2000-12-21 2010-08-25 三菱電機株式会社 アダプティブアンテナ受信装置
US7190750B2 (en) * 2002-02-28 2007-03-13 Qualcomm Incorporated Rake receiver for tracking closely spaced multipath
TW567682B (en) 2002-03-01 2003-12-21 Benq Corp System and method to adjust searcher threshold parameter of RAKE receiver
GB2386444B (en) * 2002-03-12 2004-05-26 Toshiba Res Europ Ltd Digital correlators
US7321610B2 (en) 2002-03-19 2008-01-22 Industrial Technology Research Institute Method and system of interference cancellation in multi-cell CDMA systems
AU2003270021A1 (en) * 2002-08-29 2004-03-19 Zyray Wireless, Inc. Adaptive pilot interference cancellation in cdma systems
US20040072553A1 (en) * 2002-09-20 2004-04-15 Xiaohui Wang Methods, systems, and computer program products for selecting delay positions for a RAKE receiver by adjusting the delay positions based on comparisons of signal to interference ratios and/or powers for multi-path signals over time
US7440490B2 (en) * 2002-12-18 2008-10-21 Anna Kidiyarova-Shevchenko Method and apparatus for multi-user detection using RSFQ successive interference cancellation in CDMA wireless systems
US20040170218A1 (en) * 2003-03-01 2004-09-02 Andreas Molisch Rake receiver for ultra wide bandwidth communications systems
JP4182345B2 (ja) 2003-06-26 2008-11-19 日本電気株式会社 干渉キャンセルユニット及びマルチユーザ干渉キャンセラ
US6944434B2 (en) * 2003-06-27 2005-09-13 Nokia Corporation Method and apparatus for suppressing co-channel interference in a receiver
US7469024B2 (en) * 2003-09-02 2008-12-23 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for finger placement in rake receiver
US20060067383A1 (en) * 2004-09-29 2006-03-30 Carmela Cozzo Parameter estimate initialization using interpolation
US7376177B2 (en) * 2005-01-31 2008-05-20 Freescale Semiconductor Inc. Circuit and method for rake training during acquisition
JP4175356B2 (ja) 2005-09-13 2008-11-05 船井電機株式会社 光ディスク記録装置

Also Published As

Publication number Publication date
US7606295B2 (en) 2009-10-20
US20060188007A1 (en) 2006-08-24
TWI323575B (en) 2010-04-11
TW200637194A (en) 2006-10-16
WO2006091359A3 (en) 2009-04-16
WO2006091359A2 (en) 2006-08-31

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