DE602004031591D1 - Interferenzverminderung-Vorrichtung und -Verfahren - Google Patents

Interferenzverminderung-Vorrichtung und -Verfahren

Info

Publication number
DE602004031591D1
DE602004031591D1 DE200460031591 DE602004031591T DE602004031591D1 DE 602004031591 D1 DE602004031591 D1 DE 602004031591D1 DE 200460031591 DE200460031591 DE 200460031591 DE 602004031591 T DE602004031591 T DE 602004031591T DE 602004031591 D1 DE602004031591 D1 DE 602004031591D1
Authority
DE
Germany
Prior art keywords
reduction device
interference reduction
interference
reduction
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.)
Active
Application number
DE200460031591
Other languages
English (en)
Inventor
Masahiko Shimizu
Tsuyoshi Hasegawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE602004031591D1 publication Critical patent/DE602004031591D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04B1/7113—Determination of path profile
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
DE200460031591 2004-06-11 2004-11-25 Interferenzverminderung-Vorrichtung und -Verfahren Active DE602004031591D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004173793A JP4476031B2 (ja) 2004-06-11 2004-06-11 干渉低減装置及び干渉低減方法

Publications (1)

Publication Number Publication Date
DE602004031591D1 true DE602004031591D1 (de) 2011-04-14

Family

ID=34930838

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200460031591 Active DE602004031591D1 (de) 2004-06-11 2004-11-25 Interferenzverminderung-Vorrichtung und -Verfahren

Country Status (4)

Country Link
US (1) US7526012B2 (de)
EP (2) EP1605602B1 (de)
JP (1) JP4476031B2 (de)
DE (1) DE602004031591D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4583265B2 (ja) * 2005-07-21 2010-11-17 富士通株式会社 無線通信装置及び無線通信方法
JP4774306B2 (ja) * 2006-02-02 2011-09-14 富士通株式会社 干渉低減受信装置及びその方法
GB2442263B (en) * 2006-09-26 2011-03-09 Iti Scotland Ltd Uwb apparatus and method
US9113362B2 (en) * 2006-12-12 2015-08-18 At&T Mobility Ii Llc Method and apparatus to separate coverage limited and co-channel limited interferences
JP4801775B2 (ja) 2007-04-20 2011-10-26 富士通株式会社 イコライザの制御装置及び制御方法並びに前記制御装置をそなえた無線端末
US8520559B2 (en) * 2008-04-02 2013-08-27 Alcatel Lucent Method for routing via access terminals
US8675550B2 (en) * 2008-06-14 2014-03-18 Alcatel Lucent Method for backhaul interference management with access terminal router
US8670432B2 (en) 2009-06-22 2014-03-11 Qualcomm Incorporated Methods and apparatus for coordination of sending reference signals from multiple cells
US9401784B2 (en) * 2009-10-21 2016-07-26 Qualcomm Incorporated Time and frequency acquisition and tracking for OFDMA wireless systems
US10111111B2 (en) 2009-11-19 2018-10-23 Qualcomm Incorporated Per-cell timing and/or frequency acquisition and their use on channel estimation in wireless networks
JP6070417B2 (ja) * 2013-05-29 2017-02-01 富士通株式会社 無線通信装置、重み係数演算方法、および重み係数演算プログラム
WO2016132591A1 (ja) * 2015-02-17 2016-08-25 三菱電機株式会社 受信装置及び受信方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6067292A (en) * 1996-08-20 2000-05-23 Lucent Technologies Inc Pilot interference cancellation for a coherent wireless code division multiple access receiver
US6175587B1 (en) * 1997-12-30 2001-01-16 Motorola, Inc. Communication device and method for interference suppression in a DS-CDMA system
US6678313B1 (en) * 1998-12-25 2004-01-13 Kokusai Electric Co., Ltd. Correlation circuit for spread spectrum communication
US6680727B2 (en) * 2000-10-17 2004-01-20 Qualcomm Incorporated Method and apparatus for canceling pilot interference in a CDMA communication system
US20030072282A1 (en) * 2001-10-17 2003-04-17 Ying-Chang Liang Code division multiple access downlink receiver
JP3813490B2 (ja) * 2001-10-30 2006-08-23 富士通株式会社 スペクトラム拡散レイク受信機
DE60233445D1 (de) * 2002-09-13 2009-10-01 Fujitsu Ltd Spreizspektrum-rake-empfänger

Also Published As

Publication number Publication date
US7526012B2 (en) 2009-04-28
EP1605602A1 (de) 2005-12-14
EP1926219B1 (de) 2012-03-07
EP1926219A1 (de) 2008-05-28
JP4476031B2 (ja) 2010-06-09
US20050276315A1 (en) 2005-12-15
EP1605602B1 (de) 2011-03-02
JP2005354459A (ja) 2005-12-22

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