DE60135228D1 - Verfahren und gerät zum behandeln eines modulierten signals unter verwendung eines entzerrers und eines rake-empfängers - Google Patents

Verfahren und gerät zum behandeln eines modulierten signals unter verwendung eines entzerrers und eines rake-empfängers

Info

Publication number
DE60135228D1
DE60135228D1 DE60135228T DE60135228T DE60135228D1 DE 60135228 D1 DE60135228 D1 DE 60135228D1 DE 60135228 T DE60135228 T DE 60135228T DE 60135228 T DE60135228 T DE 60135228T DE 60135228 D1 DE60135228 D1 DE 60135228D1
Authority
DE
Germany
Prior art keywords
sample stream
combined
generate
scaled
processing scheme
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 - Lifetime
Application number
DE60135228T
Other languages
English (en)
Inventor
John E Smee
Ahmad Jalali
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.)
Qualcomm Inc
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
Application granted granted Critical
Publication of DE60135228D1 publication Critical patent/DE60135228D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • 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
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • 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
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03617—Time recursive algorithms
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03656—Initialisation
    • H04L2025/03662—Initialisation to a fixed value
    • 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
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuits Of Receivers In General (AREA)
  • Selective Calling Equipment (AREA)
DE60135228T 2000-07-24 2001-07-17 Verfahren und gerät zum behandeln eines modulierten signals unter verwendung eines entzerrers und eines rake-empfängers Expired - Lifetime DE60135228D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/624,319 US7082174B1 (en) 2000-07-24 2000-07-24 Method and apparatus for processing a modulated signal using an equalizer and a rake receiver
PCT/US2001/022756 WO2002009305A2 (en) 2000-07-24 2001-07-17 Method and apparatus for processing a modulated signal using an equalizer and a rake receiver

Publications (1)

Publication Number Publication Date
DE60135228D1 true DE60135228D1 (de) 2008-09-18

Family

ID=24501523

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60135228T Expired - Lifetime DE60135228D1 (de) 2000-07-24 2001-07-17 Verfahren und gerät zum behandeln eines modulierten signals unter verwendung eines entzerrers und eines rake-empfängers

Country Status (12)

Country Link
US (2) US7082174B1 (de)
EP (2) EP1981174B1 (de)
JP (1) JP4938201B2 (de)
KR (1) KR100809888B1 (de)
CN (1) CN1284308C (de)
AT (1) ATE403977T1 (de)
AU (1) AU2001275988A1 (de)
BR (1) BR0112677A (de)
DE (1) DE60135228D1 (de)
HK (1) HK1056796A1 (de)
TW (1) TW541813B (de)
WO (1) WO2002009305A2 (de)

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Also Published As

Publication number Publication date
AU2001275988A1 (en) 2002-02-05
TW541813B (en) 2003-07-11
US7082174B1 (en) 2006-07-25
WO2002009305A3 (en) 2002-05-23
EP1981174A2 (de) 2008-10-15
WO2002009305A2 (en) 2002-01-31
EP1981174A3 (de) 2009-10-21
KR20030017654A (ko) 2003-03-03
CN1284308C (zh) 2006-11-08
CN1449603A (zh) 2003-10-15
HK1056796A1 (en) 2004-02-27
US7397844B2 (en) 2008-07-08
EP1981174B1 (de) 2012-12-05
ATE403977T1 (de) 2008-08-15
EP1303920A2 (de) 2003-04-23
US20060056496A1 (en) 2006-03-16
KR100809888B1 (ko) 2008-03-07
EP1303920B1 (de) 2008-08-06
JP4938201B2 (ja) 2012-05-23
BR0112677A (pt) 2006-09-12
JP2004505491A (ja) 2004-02-19

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