DE60045498D1 - Vorrichtung und Verfahren zur Fadingfrequenzentscheidung - Google Patents

Vorrichtung und Verfahren zur Fadingfrequenzentscheidung

Info

Publication number
DE60045498D1
DE60045498D1 DE60045498T DE60045498T DE60045498D1 DE 60045498 D1 DE60045498 D1 DE 60045498D1 DE 60045498 T DE60045498 T DE 60045498T DE 60045498 T DE60045498 T DE 60045498T DE 60045498 D1 DE60045498 D1 DE 60045498D1
Authority
DE
Germany
Prior art keywords
fading frequency
frequency decision
decision
fading
frequency
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
DE60045498T
Other languages
English (en)
Inventor
Yukihiko Okumura
Hidehiro Ando
Masafumi Usuda
Yoshihiro Ishikawa
Seizo Onoe
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo 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 NTT Docomo Inc filed Critical NTT Docomo Inc
Application granted granted Critical
Publication of DE60045498D1 publication Critical patent/DE60045498D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
    • H04L25/0234—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals by non-linear interpolation
    • 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
    • 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
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Transmission System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DE60045498T 1999-04-02 2000-03-31 Vorrichtung und Verfahren zur Fadingfrequenzentscheidung Expired - Lifetime DE60045498D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9680499 1999-04-02
JP34063899 1999-11-30
JP2000082929 2000-03-23

Publications (1)

Publication Number Publication Date
DE60045498D1 true DE60045498D1 (de) 2011-02-17

Family

ID=27308217

Family Applications (4)

Application Number Title Priority Date Filing Date
DE60043405T Expired - Lifetime DE60043405D1 (de) 1999-04-02 2000-03-31 Vorrichtung und Verfahren zur Fadingfrequenzentscheidung
DE60045498T Expired - Lifetime DE60045498D1 (de) 1999-04-02 2000-03-31 Vorrichtung und Verfahren zur Fadingfrequenzentscheidung
DE60043377T Expired - Lifetime DE60043377D1 (de) 1999-04-02 2000-03-31 Kanalschätzungsgerät und -verfahren
DE60045499T Expired - Lifetime DE60045499D1 (de) 1999-04-02 2000-03-31 Vorrichtung und Verfahren zur Fadingfrequenzentscheidung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60043405T Expired - Lifetime DE60043405D1 (de) 1999-04-02 2000-03-31 Vorrichtung und Verfahren zur Fadingfrequenzentscheidung

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE60043377T Expired - Lifetime DE60043377D1 (de) 1999-04-02 2000-03-31 Kanalschätzungsgerät und -verfahren
DE60045499T Expired - Lifetime DE60045499D1 (de) 1999-04-02 2000-03-31 Vorrichtung und Verfahren zur Fadingfrequenzentscheidung

Country Status (10)

Country Link
US (3) US7929592B1 (de)
EP (9) EP2151964A1 (de)
JP (5) JP3872647B2 (de)
KR (1) KR100358034B1 (de)
CN (1) CN1270445C (de)
AU (1) AU753791B2 (de)
CA (3) CA2471124C (de)
DE (4) DE60043405D1 (de)
MY (2) MY138261A (de)
WO (1) WO2000060761A1 (de)

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Also Published As

Publication number Publication date
MY138261A (en) 2009-05-29
JP2009147982A (ja) 2009-07-02
CA2471124C (en) 2011-10-25
WO2000060761A1 (fr) 2000-10-12
JP3872647B2 (ja) 2007-01-24
EP2146469B1 (de) 2011-01-05
JP3756497B2 (ja) 2006-03-15
US7929592B1 (en) 2011-04-19
US8295332B2 (en) 2012-10-23
JP2006129510A (ja) 2006-05-18
EP1983654A1 (de) 2008-10-22
EP1089451A4 (de) 2004-10-06
DE60045499D1 (de) 2011-02-17
CA2535872A1 (en) 2000-10-12
EP2077626A1 (de) 2009-07-08
EP2146469A1 (de) 2010-01-20
EP2146468B1 (de) 2011-01-05
CN1304584A (zh) 2001-07-18
JP4520528B2 (ja) 2010-08-04
EP2146468A1 (de) 2010-01-20
CA2471124A1 (en) 2000-10-12
DE60043377D1 (de) 2010-01-07
JP2004007793A (ja) 2004-01-08
EP1089451A1 (de) 2001-04-04
US20050265433A1 (en) 2005-12-01
EP2151962A1 (de) 2010-02-10
EP1816753B1 (de) 2009-11-25
MY156918A (en) 2016-04-15
US20110142102A1 (en) 2011-06-16
KR100358034B1 (ko) 2002-10-25
CA2333954A1 (en) 2000-10-12
EP2151964A1 (de) 2010-02-10
EP1089451B1 (de) 2009-11-25
CN1270445C (zh) 2006-08-16
EP1816753A1 (de) 2007-08-08
KR20010083040A (ko) 2001-08-31
AU753791B2 (en) 2002-10-31
DE60043405D1 (de) 2010-01-07
JP3784786B2 (ja) 2006-06-14
EP2151963A1 (de) 2010-02-10
US7301991B2 (en) 2007-11-27
CA2535872C (en) 2010-11-30
JP2004015819A (ja) 2004-01-15
AU3457900A (en) 2000-10-23
JP4297897B2 (ja) 2009-07-15

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