DE60012531D1 - Rake-kombinierungsverfahren und einrichtung mit verwendung von gewichteten faktoren abgeleitet aus bekannten spreizspektrum-signaleigenschaften - Google Patents

Rake-kombinierungsverfahren und einrichtung mit verwendung von gewichteten faktoren abgeleitet aus bekannten spreizspektrum-signaleigenschaften

Info

Publication number
DE60012531D1
DE60012531D1 DE60012531T DE60012531T DE60012531D1 DE 60012531 D1 DE60012531 D1 DE 60012531D1 DE 60012531 T DE60012531 T DE 60012531T DE 60012531 T DE60012531 T DE 60012531T DE 60012531 D1 DE60012531 D1 DE 60012531D1
Authority
DE
Germany
Prior art keywords
spread spectrum
weighting factors
spectrum signal
composite
signal
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
DE60012531T
Other languages
English (en)
Other versions
DE60012531T2 (de
Inventor
Eric Wang
Tony Ottosson
Edward Bottomley
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.)
Ericsson Inc
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 DE60012531D1 publication Critical patent/DE60012531D1/de
Publication of DE60012531T2 publication Critical patent/DE60012531T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B1/7097—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE60012531T 1999-06-25 2000-05-10 Rake-kombinierungsverfahren und einrichtung mit verwendung von gewichteten faktoren abgeleitet aus bekannten spreizspektrum-signaleigenschaften Expired - Lifetime DE60012531T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/344,899 US6714585B1 (en) 1999-06-25 1999-06-25 Rake combining methods and apparatus using weighting factors derived from knowledge of spreading spectrum signal characteristics
US344899 1999-06-25
PCT/US2000/012757 WO2001001595A1 (en) 1999-06-25 2000-05-10 Rake combining methods and apparatus using weighting factors derived from knowledge of spread spectrum signal characteristics

Publications (2)

Publication Number Publication Date
DE60012531D1 true DE60012531D1 (de) 2004-09-02
DE60012531T2 DE60012531T2 (de) 2005-08-04

Family

ID=23352561

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60012531T Expired - Lifetime DE60012531T2 (de) 1999-06-25 2000-05-10 Rake-kombinierungsverfahren und einrichtung mit verwendung von gewichteten faktoren abgeleitet aus bekannten spreizspektrum-signaleigenschaften

Country Status (11)

Country Link
US (1) US6714585B1 (de)
EP (1) EP1197007B1 (de)
JP (1) JP4464020B2 (de)
CN (1) CN1173485C (de)
AT (1) ATE272272T1 (de)
AU (1) AU4998900A (de)
DE (1) DE60012531T2 (de)
HK (1) HK1049929B (de)
IL (2) IL147211A0 (de)
MY (1) MY124218A (de)
WO (1) WO2001001595A1 (de)

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Also Published As

Publication number Publication date
EP1197007B1 (de) 2004-07-28
JP4464020B2 (ja) 2010-05-19
IL147211A0 (en) 2002-08-14
EP1197007A1 (de) 2002-04-17
MY124218A (en) 2006-06-30
CN1371551A (zh) 2002-09-25
US6714585B1 (en) 2004-03-30
IL147211A (en) 2007-02-11
HK1049929B (zh) 2005-06-10
CN1173485C (zh) 2004-10-27
HK1049929A1 (en) 2003-05-30
DE60012531T2 (de) 2005-08-04
JP2003503879A (ja) 2003-01-28
WO2001001595A8 (en) 2001-04-19
ATE272272T1 (de) 2004-08-15
AU4998900A (en) 2001-01-31
WO2001001595A1 (en) 2001-01-04

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