ES2609904T3 - Terminal de comunicación móvil - Google Patents

Terminal de comunicación móvil Download PDF

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Publication number
ES2609904T3
ES2609904T3 ES06016576.8T ES06016576T ES2609904T3 ES 2609904 T3 ES2609904 T3 ES 2609904T3 ES 06016576 T ES06016576 T ES 06016576T ES 2609904 T3 ES2609904 T3 ES 2609904T3
Authority
ES
Spain
Prior art keywords
channel matrix
samples
sampling rate
path interference
sample
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
ES06016576.8T
Other languages
English (en)
Spanish (es)
Inventor
Takeshi Nakamori
Hiroyuki Ishii
Yousuke Iizuka
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 ES2609904T3 publication Critical patent/ES2609904T3/es
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
    • H04B1/7103—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
    • H04B2201/70707—Efficiency-related aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
ES06016576.8T 2005-08-10 2006-08-08 Terminal de comunicación móvil Active ES2609904T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005232564A JP4129014B2 (ja) 2005-08-10 2005-08-10 移動通信端末
JP2005232564 2005-08-10

Publications (1)

Publication Number Publication Date
ES2609904T3 true ES2609904T3 (es) 2017-04-25

Family

ID=37451045

Family Applications (1)

Application Number Title Priority Date Filing Date
ES06016576.8T Active ES2609904T3 (es) 2005-08-10 2006-08-08 Terminal de comunicación móvil

Country Status (6)

Country Link
US (1) US7817710B2 (cg-RX-API-DMAC7.html)
EP (1) EP1753151B1 (cg-RX-API-DMAC7.html)
JP (1) JP4129014B2 (cg-RX-API-DMAC7.html)
CN (1) CN1913372B (cg-RX-API-DMAC7.html)
ES (1) ES2609904T3 (cg-RX-API-DMAC7.html)
TW (1) TW200713856A (cg-RX-API-DMAC7.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101103549A (zh) * 2005-01-18 2008-01-09 株式会社Ntt都科摩 移动通信终端及多路径干扰去除方法
US9253009B2 (en) * 2007-01-05 2016-02-02 Qualcomm Incorporated High performance station
EP2396892B1 (en) * 2009-02-16 2016-11-09 Keysight Technologies Singapore (Holdings) Pte. Ltd. A method and an apparatus for forming signal estimates
JP7468114B2 (ja) * 2020-04-21 2024-04-16 日本電気株式会社 制御装置、無線通信方法及び無線通信プログラム

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6259720B1 (en) * 1996-12-12 2001-07-10 Motorola, Inc. Versatile digital signal processing system
JP2991170B2 (ja) 1997-10-01 1999-12-20 日本電気株式会社 Ｃｄｍａ受信装置および方法
DE69906262T2 (de) * 1999-07-01 2003-12-04 Alcatel, Paris Adaptiver Wegesucher in einem CDMA-Empfänger
JP3344478B2 (ja) 1999-07-16 2002-11-11 日本電気株式会社 Ｃｄｍａセルラシステムにおけるパスサーチ回路
JP2002009668A (ja) * 2000-06-26 2002-01-11 Ntt Docomo Inc 通信装置および検波方法
TW540200B (en) 2000-11-09 2003-07-01 Interdigital Tech Corp Single user detection
US7027497B2 (en) * 2000-12-19 2006-04-11 Ntt Docomo, Inc. Adaptive equalization method and adaptive equalizer
JP4187968B2 (ja) * 2000-12-19 2008-11-26 株式会社エヌ・ティ・ティ・ドコモ 適応等化方法及び適応等化器
JP3686839B2 (ja) 2001-02-21 2005-08-24 独立行政法人科学技術振興機構 干渉除去装置、無線端末装置、干渉除去方法
DE60215805D1 (de) * 2001-03-26 2006-12-14 Ecole Polytech Verfahren und gerät zur abtastung und rekonstruktion von signalen
JP3345406B1 (ja) * 2001-05-25 2002-11-18 松下電器産業株式会社 無線受信装置及び無線受信方法
JP3637884B2 (ja) * 2001-06-01 2005-04-13 ソニー株式会社 逆拡散装置、伝播路推定装置、受信装置ならびに干渉抑圧装置、逆拡散、伝播路推定、受信および干渉抑圧方法、該プログラムおよび該プログラムを記録した記録媒体
JP2004364321A (ja) 2001-06-01 2004-12-24 Sony Corp 逆拡散装置、伝播路推定装置、受信装置ならびに干渉抑圧装置、逆拡散、伝播路推定、受信および干渉抑圧方法、該プログラムおよび該プログラムを記録した記録媒体
US7190749B2 (en) * 2001-06-06 2007-03-13 Qualcomm Incorporated Method and apparatus for canceling pilot interference in a wireless communication system
US7209511B2 (en) * 2001-08-31 2007-04-24 Ericsson Inc. Interference cancellation in a CDMA receiving system
SG122753A1 (en) 2001-11-30 2006-06-29 Sony Corp Advanced receiver for CDMA downlink
US7440524B2 (en) 2002-08-13 2008-10-21 Mediatek, Inc. Channel estimation in a wireless transmission system
JP4052060B2 (ja) * 2002-08-21 2008-02-27 日本電気株式会社 Ｃｄｍａ無線装置及びそれに用いる簡易パス推定方法
AU2003259590A1 (en) 2003-01-23 2004-08-12 Nec Australia Pty Ltd Cell search method and apparatus in a WCDMA system
US7212591B2 (en) 2003-04-28 2007-05-01 Telefonaktiebolaget Lm Ericsson (Publ) Methods and receivers that estimate multi-path delays by removing signal rays from a power-delay profile
US7561618B2 (en) * 2004-04-30 2009-07-14 Texas Instruments Incorporated Reconfigurable chip level equalizer architecture for multiple antenna systems
US7492828B2 (en) * 2004-06-18 2009-02-17 Qualcomm Incorporated Time synchronization using spectral estimation in a communication system
JP2006101308A (ja) 2004-09-30 2006-04-13 Fujitsu Ltd 無線基地局装置及びパスサーチ方法
CN101103549A (zh) 2005-01-18 2008-01-09 株式会社Ntt都科摩 移动通信终端及多路径干扰去除方法

Also Published As

Publication number Publication date
EP1753151B1 (en) 2016-10-26
TWI334281B (cg-RX-API-DMAC7.html) 2010-12-01
CN1913372A (zh) 2007-02-14
US20070036205A1 (en) 2007-02-15
EP1753151A3 (en) 2007-09-19
US7817710B2 (en) 2010-10-19
JP4129014B2 (ja) 2008-07-30
TW200713856A (en) 2007-04-01
EP1753151A2 (en) 2007-02-14
JP2007049500A (ja) 2007-02-22
CN1913372B (zh) 2011-05-18

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