CN1913372B - 移动通信终端 - Google Patents

移动通信终端 Download PDF

Info

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
Authority
CN
China
Prior art keywords
channel matrix
mobile communication
communication terminal
sampling rate
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.)
Expired - Fee Related
Application number
CN2006101149199A
Other languages
English (en)
Chinese (zh)
Other versions
CN1913372A (zh
Inventor
中森武志
石井启之
饭塚洋介
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
Publication of CN1913372A publication Critical patent/CN1913372A/zh
Application granted granted Critical
Publication of CN1913372B publication Critical patent/CN1913372B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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)
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
JP2005232564 2005-08-10
JP2005232564A JP4129014B2 (ja) 2005-08-10 2005-08-10 移動通信端末
JP2005-232564 2005-08-10

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)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100899302B1 (ko) * 2005-01-18 2009-05-27 가부시키가이샤 엔티티 도코모 이동 통신 단말 및 멀티패스 간섭 제거 방법
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

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

Family Cites Families (21)

* 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
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
JP4081526B2 (ja) * 2001-03-26 2008-04-30 クアルコム・インコーポレイテッド 信号をサンプリングおよび／または再構成するためのサンプリング方法、再構成方法および機器
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
KR100899302B1 (ko) 2005-01-18 2009-05-27 가부시키가이샤 엔티티 도코모 이동 통신 단말 및 멀티패스 간섭 제거 방법

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

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
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
US20070036205A1 (en) 2007-02-15
TW200713856A (en) 2007-04-01
TWI334281B (enExample) 2010-12-01
EP1753151B1 (en) 2016-10-26
JP4129014B2 (ja) 2008-07-30
CN1913372A (zh) 2007-02-14
ES2609904T3 (es) 2017-04-25
US7817710B2 (en) 2010-10-19
JP2007049500A (ja) 2007-02-22
EP1753151A3 (en) 2007-09-19
EP1753151A2 (en) 2007-02-14

Similar Documents

Publication Publication Date Title
US9369310B2 (en) Equalisation of a signal received over a wireless channel
US8498585B2 (en) Apparatus and method for reducing self-interference in a radio system
CN101908907B (zh) 移动通信终端和控制多径干扰去除装置的起动的方法
US20020155812A1 (en) Interference-signal removing apparatus
JP5554318B2 (ja) 等化処理
CN101779426A (zh) 用于使用近似逆矩阵来估计信号参数的信号处理器
US20040228295A1 (en) Fourier-transform based linear equalization for cdma downlink
CN102057585B (zh) 有效估计无线接收器中干扰的方法和设备
EP1751884B1 (en) A method and apparatus for interference cancellation in wireless receivers
CN1913372B (zh) 移动通信终端
CN101371452A (zh) 具有对于无线通信的功率估计和追踪的干扰消除
KR100899302B1 (ko) 이동 통신 단말 및 멀티패스 간섭 제거 방법
EP2250776B1 (en) Whitening channel estimate by Cholesky factorization
EP2647248A1 (en) Method and arrangement for interference congestion control
CN102185631A (zh) 一种码道激活方法及装置
CN102347920A (zh) 一种增强的信道估计方法及装置
KR100801459B1 (ko) 이동 통신 단말
CN100370699C (zh) 一种自适应天线数调整方法
CN103326967B (zh) 信道估计方法及装置
HK1140879A (en) Apparatus and method for reducing self-interference in a radio system
HK1140879B (en) Apparatus and method for reducing self-interference in a radio system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110518

Termination date: 20180810