CN1913372B - 移动通信终端 - Google Patents

移动通信终端 Download PDF

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Publication number
CN1913372B
CN1913372B CN2006101149199A CN200610114919A CN1913372B CN 1913372 B CN1913372 B CN 1913372B CN 2006101149199 A CN2006101149199 A CN 2006101149199A CN 200610114919 A CN200610114919 A CN 200610114919A CN 1913372 B CN1913372 B CN 1913372B
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CN
China
Prior art keywords
channel matrix
mobile communication
communication terminal
sampling rate
sample
Prior art date
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Expired - Fee Related
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CN2006101149199A
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English (en)
Chinese (zh)
Other versions
CN1913372A (zh
Inventor
中森武志
石井启之
饭塚洋介
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NTT Docomo Inc
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NTT Docomo Inc
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Publication date
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Publication of CN1913372A publication Critical patent/CN1913372A/zh
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Publication of CN1913372B publication Critical patent/CN1913372B/zh
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    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
CN2006101149199A 2005-08-10 2006-08-10 移动通信终端 Expired - Fee Related CN1913372B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005-232564 2005-08-10
JP2005232564 2005-08-10
JP2005232564A JP4129014B2 (ja) 2005-08-10 2005-08-10 移動通信端末

Publications (2)

Publication Number Publication Date
CN1913372A CN1913372A (zh) 2007-02-14
CN1913372B true CN1913372B (zh) 2011-05-18

Family

ID=37451045

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006101149199A Expired - Fee Related CN1913372B (zh) 2005-08-10 2006-08-10 移动通信终端

Country Status (6)

Country Link
US (1) US7817710B2 (enExample)
EP (1) EP1753151B1 (enExample)
JP (1) JP4129014B2 (enExample)
CN (1) CN1913372B (enExample)
ES (1) ES2609904T3 (enExample)
TW (1) TW200713856A (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2006077829A1 (ja) * 2005-01-18 2008-06-19 株式会社エヌ・ティ・ティ・ドコモ 移動通信端末およびマルチパス干渉除去方法
US9253009B2 (en) * 2007-01-05 2016-02-02 Qualcomm Incorporated High performance station
US20110311007A1 (en) * 2009-02-16 2011-12-22 Elektrobit System Test Oy 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002009668A (ja) * 2000-06-26 2002-01-11 Ntt Docomo Inc 通信装置および検波方法
JP2002252575A (ja) * 2000-12-19 2002-09-06 Ntt Docomo Inc 適応等化方法及び適応等化器
CN1463503A (zh) * 2001-05-25 2003-12-24 松下电器产业株式会社 无线接收装置和无线接收方法

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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
EP1065801B1 (en) * 1999-07-01 2003-03-26 Alcatel Adaptive path searcher in a CDMA receiver
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
TW540200B (en) 2000-11-09 2003-07-01 Interdigital Tech Corp Single user detection
DE60131243T2 (de) * 2000-12-19 2008-08-21 Ntt Docomo Inc. Adaptives Entzerrungsverfahren sowie adaptiver Entzerrer
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
EP1396085B1 (en) * 2001-03-26 2006-11-02 Ecole Polytechnique Fédérale de Lausanne (EPFL) Sampling method, reconstruction method, and device for sampling and/or reconstructing signals
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
JPWO2006077829A1 (ja) 2005-01-18 2008-06-19 株式会社エヌ・ティ・ティ・ドコモ 移動通信端末およびマルチパス干渉除去方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002009668A (ja) * 2000-06-26 2002-01-11 Ntt Docomo Inc 通信装置および検波方法
JP2002252575A (ja) * 2000-12-19 2002-09-06 Ntt Docomo Inc 適応等化方法及び適応等化器
CN1463503A (zh) * 2001-05-25 2003-12-24 松下电器产业株式会社 无线接收装置和无线接收方法

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Title
KAWAMURA T ET AL.Comparison between multipath interference cancellerandchip equalizer in HSDPA in multipath channel..VTC 2002.2002,459-463.
KAWAMURA T ET AL.Comparison between multipath interference cancellerandchip equalizer in HSDPA in multipath channel..VTC 2002.2002,459-463. *
KLEIN A.Data detection algorithms specially designed for the downlinkof CDMA mobile radio system.IEEE 47TH, PHOENIX,USA1.1997,1203-207.
KLEIN A.Data detection algorithms specially designed for the downlinkof CDMA mobile radio system.IEEE 47TH, PHOENIX,USA1.1997,1203-207. *

Also Published As

Publication number Publication date
ES2609904T3 (es) 2017-04-25
US20070036205A1 (en) 2007-02-15
EP1753151A2 (en) 2007-02-14
JP4129014B2 (ja) 2008-07-30
US7817710B2 (en) 2010-10-19
TWI334281B (enExample) 2010-12-01
CN1913372A (zh) 2007-02-14
EP1753151A3 (en) 2007-09-19
TW200713856A (en) 2007-04-01
EP1753151B1 (en) 2016-10-26
JP2007049500A (ja) 2007-02-22

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Granted publication date: 20110518

Termination date: 20180810