DE60333961D1 - Ableitung von Eigenvektoren für die räumliche Verarbeitung in MIMO-Kommunikationssystemen - Google Patents

Ableitung von Eigenvektoren für die räumliche Verarbeitung in MIMO-Kommunikationssystemen

Info

Publication number
DE60333961D1
DE60333961D1 DE60333961T DE60333961T DE60333961D1 DE 60333961 D1 DE60333961 D1 DE 60333961D1 DE 60333961 T DE60333961 T DE 60333961T DE 60333961 T DE60333961 T DE 60333961T DE 60333961 D1 DE60333961 D1 DE 60333961D1
Authority
DE
Germany
Prior art keywords
matrix
sigma
spatial processing
eigenvectors
estimate
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
DE60333961T
Other languages
German (de)
English (en)
Inventor
John W Ketchum
Mark S Wallace
Peter Gaal
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE60333961D1 publication Critical patent/DE60333961D1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0248—Eigen-space methods
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
DE60333961T 2002-12-11 2003-12-09 Ableitung von Eigenvektoren für die räumliche Verarbeitung in MIMO-Kommunikationssystemen Expired - Lifetime DE60333961D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43276002P 2002-12-11 2002-12-11
US10/729,070 US7280625B2 (en) 2002-12-11 2003-12-04 Derivation of eigenvectors for spatial processing in MIMO communication systems

Publications (1)

Publication Number Publication Date
DE60333961D1 true DE60333961D1 (de) 2010-10-07

Family

ID=32511664

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60333961T Expired - Lifetime DE60333961D1 (de) 2002-12-11 2003-12-09 Ableitung von Eigenvektoren für die räumliche Verarbeitung in MIMO-Kommunikationssystemen
DE60322424T Expired - Lifetime DE60322424D1 (de) 2002-12-11 2003-12-09 Berechnung von eigenvektoren für die räumliche verarbeitung in mimo übertragungssystemen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60322424T Expired - Lifetime DE60322424D1 (de) 2002-12-11 2003-12-09 Berechnung von eigenvektoren für die räumliche verarbeitung in mimo übertragungssystemen

Country Status (15)

Country Link
US (2) US7280625B2 (enExample)
EP (2) EP1570616B1 (enExample)
JP (2) JP4532412B2 (enExample)
KR (1) KR101000170B1 (enExample)
CN (2) CN101615983B (enExample)
AT (2) ATE479263T1 (enExample)
AU (2) AU2003297873C1 (enExample)
BR (1) BR0317173A (enExample)
CA (3) CA2809754C (enExample)
DE (2) DE60333961D1 (enExample)
ES (2) ES2349490T3 (enExample)
IL (1) IL168932A (enExample)
MX (1) MXPA05006231A (enExample)
RU (1) RU2337493C2 (enExample)
WO (1) WO2004054191A1 (enExample)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8194770B2 (en) 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
US8218609B2 (en) 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US8134976B2 (en) 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US8170513B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
US8570988B2 (en) 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8320301B2 (en) 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US7151809B2 (en) 2002-10-25 2006-12-19 Qualcomm, Incorporated Channel estimation and spatial processing for TDD MIMO systems
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US7002900B2 (en) 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US7280625B2 (en) 2002-12-11 2007-10-09 Qualcomm Incorporated Derivation of eigenvectors for spatial processing in MIMO communication systems
US7680461B2 (en) * 2003-11-05 2010-03-16 Sony Corporation Wireless communications system, wireless communications method, and wireless communications apparatus
US7298805B2 (en) 2003-11-21 2007-11-20 Qualcomm Incorporated Multi-antenna transmission for spatial division multiple access
US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
US8204149B2 (en) 2003-12-17 2012-06-19 Qualcomm Incorporated Spatial spreading in a multi-antenna communication system
US7336746B2 (en) 2004-12-09 2008-02-26 Qualcomm Incorporated Data transmission with spatial spreading in a MIMO communication system
CN1943152B (zh) 2004-02-13 2011-07-27 桥扬科技有限公司 用于具有自适应发射和反馈的多载波通信系统的方法和设备
US8169889B2 (en) 2004-02-18 2012-05-01 Qualcomm Incorporated Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system
US7492741B2 (en) * 2004-04-12 2009-02-17 Alcatel-Lucent Usa Inc. Space-time multipath searcher
US7346115B2 (en) * 2004-04-22 2008-03-18 Qualcomm Incorporated Iterative eigenvector computation for a MIMO communication system
US8285226B2 (en) 2004-05-07 2012-10-09 Qualcomm Incorporated Steering diversity for an OFDM-based multi-antenna communication system
US8923785B2 (en) 2004-05-07 2014-12-30 Qualcomm Incorporated Continuous beamforming for a MIMO-OFDM system
WO2005109805A1 (en) * 2004-05-10 2005-11-17 Sony Corporation System, method, apparatus, and computer program for wireless communication
US7616695B1 (en) 2004-06-17 2009-11-10 Marvell International Ltd. MIMO equalizer design: an algorithmic perspective
US7978649B2 (en) 2004-07-15 2011-07-12 Qualcomm, Incorporated Unified MIMO transmission and reception
ES2395941T3 (es) 2004-08-11 2013-02-18 Interdigital Technology Corporation Sondeo de canal para prestaciones de sistema mejoradas
US7555035B2 (en) * 2004-08-31 2009-06-30 Ntt Docomo, Inc. Communication system and method using a relay node
US7366245B2 (en) * 2004-09-10 2008-04-29 Intel Corporation Calibration in MIMO systems
WO2006035704A1 (ja) * 2004-09-28 2006-04-06 Matsushita Electric Industrial Co., Ltd. マルチキャリア通信装置及びマルチキャリア通信方法
CN100388645C (zh) * 2004-09-28 2008-05-14 上海贝尔阿尔卡特股份有限公司 一种改善v-blast检测性能的预编码方法和装置
CN100373811C (zh) * 2004-12-10 2008-03-05 电子科技大学 一种分布式多入多出系统的信号检测方法
US7719993B2 (en) 2004-12-30 2010-05-18 Intel Corporation Downlink transmit beamforming
US7778826B2 (en) * 2005-01-13 2010-08-17 Intel Corporation Beamforming codebook generation system and associated methods
US7554952B2 (en) * 2005-02-09 2009-06-30 Alcatel-Lucent Usa Inc. Distributed multiple antenna scheduling for wireless packet data communication system using OFDM
US7747271B2 (en) * 2005-03-02 2010-06-29 Qualcomm Incorporated Radiated power control for a multi-antenna transmission
JP4646680B2 (ja) * 2005-03-04 2011-03-09 三洋電機株式会社 キャリブレーション方法ならびにそれを利用した無線装置および通信システム
US8515359B2 (en) * 2005-03-09 2013-08-20 Intel Corporation Method and apparatus to provide low cost transmit beamforming for network devices
US7978759B1 (en) * 2005-03-24 2011-07-12 Marvell International Ltd. Scalable equalizer for multiple-in-multiple-out (MIMO) wireless transmission
US7602855B2 (en) * 2005-04-01 2009-10-13 Interdigital Technology Corporation Method and apparatus for singular value decomposition of a channel matrix
JP4646682B2 (ja) * 2005-04-13 2011-03-09 三洋電機株式会社 キャリブレーション方法ならびにそれを利用した無線装置および通信システム
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US8358714B2 (en) 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
JP5059758B2 (ja) * 2005-07-20 2012-10-31 エスティーマイクロエレクトロニクス エス．アール．エル． 複数のソースからの通信を検知するための装置及び方法
US9025689B2 (en) 2005-07-20 2015-05-05 Stmicroelectronics S.R.L. Method and apparatus for multiple antenna communications, and related systems and computer program
CA2515997A1 (en) * 2005-08-15 2007-02-15 Research In Motion Limited Implementation of joint space-time optimum filters (jstof) using qr and eigenvalue decompositions
WO2007036073A1 (en) * 2005-09-30 2007-04-05 Huawei Technologies Co., Ltd. Resource allocation method for mimo-ofdm of multi-user access systems
US8200164B2 (en) 2005-12-01 2012-06-12 Intel Corporation Wireless communication system, associated methods and data structures
US8543070B2 (en) 2006-04-24 2013-09-24 Qualcomm Incorporated Reduced complexity beam-steered MIMO OFDM system
US8494084B1 (en) 2006-05-02 2013-07-23 Marvell International Ltd. Reuse of a matrix equalizer for the purpose of transmit beamforming in a wireless MIMO communication system
US8290089B2 (en) * 2006-05-22 2012-10-16 Qualcomm Incorporated Derivation and feedback of transmit steering matrix
US7864657B2 (en) * 2006-05-23 2011-01-04 Motorola Mobility, Inc. Method and apparatus for performing stream weighting in an SDMA communication system
JP4836186B2 (ja) * 2006-05-31 2011-12-14 三洋電機株式会社 送信装置
KR100789754B1 (ko) * 2006-07-28 2008-01-02 한국전자통신연구원 다중입력 다중출력 시스템에서 격자 리덕션 알고리즘을이용한 최대우도 검파방법
KR101210332B1 (ko) * 2006-09-27 2012-12-10 삼성전자주식회사 증폭-순방향 릴레이 시스템의 릴레이 전력 제어 장치 및 그방법
ATE492082T1 (de) * 2006-10-11 2011-01-15 Thomson Licensing Verfahren zur dekodierung eines empfangenen multidimensionalen signals und entsprechende vorrichtung
US8885744B2 (en) 2006-11-10 2014-11-11 Qualcomm Incorporated Providing antenna diversity in a wireless communication system
WO2008075890A1 (en) 2006-12-18 2008-06-26 Samsung Electronics Co., Ltd. Method and apparatus for transmitting/receiving data and control information through an uplink in a wireless communication system
EP2119155A2 (en) 2007-03-14 2009-11-18 STMicroelectronics S.r.l. A method and apparatus for multiple antenna communications, computer program product therefor
US7809074B2 (en) * 2007-03-16 2010-10-05 Freescale Semiconductor, Inc. Generalized reference signaling scheme for multi-user, multiple input, multiple output (MU-MIMO) using arbitrarily precoded reference signals
US8223872B1 (en) * 2007-04-04 2012-07-17 Marvell International Ltd. Reuse of a matrix equalizer for the purpose of transmit beamforming in a wireless MIMO communication system
US8199841B1 (en) 2007-04-26 2012-06-12 Marvell International Ltd. Channel tracking in a wireless multiple-input multiple-output (MIMO) communication system
GB2449935A (en) * 2007-06-08 2008-12-10 Fujitsu Ltd Closed loop MIMO communication system using SISO r.m.s. delay spread to estimate eigen coherence bandwidth.
TWI400902B (zh) * 2007-06-28 2013-07-01 Ind Tech Res Inst 多重輸入輸出通訊系統之符元解映射方法及裝置
US8379745B1 (en) * 2007-07-06 2013-02-19 Marvell International Ltd. Forward channel variation detection in a wireless communication system
US8014265B2 (en) * 2007-08-15 2011-09-06 Qualcomm Incorporated Eigen-beamforming for wireless communication systems
KR100959645B1 (ko) * 2007-10-31 2010-05-26 한국전자통신연구원 다중사용자 다중입출력 시스템의 송수신 방법
WO2009057876A1 (en) * 2007-10-31 2009-05-07 Electronics And Telecommunications Research Institute Transmitting/receiving method for multi-user multiple-input multiple-output system
JP5122428B2 (ja) * 2008-02-04 2013-01-16 株式会社エヌ・ティ・ティ・ドコモ 移動通信システム、受信装置及び方法
US8340605B2 (en) * 2008-08-06 2012-12-25 Qualcomm Incorporated Coordinated transmissions between cells of a base station in a wireless communications system
CN101686500B (zh) * 2008-09-25 2013-01-23 中国移动通信集团公司 确定相关参数的方法、用户终端以及信号赋形方法、基站
WO2010075888A1 (en) * 2008-12-30 2010-07-08 Telecom Italia S.P.A. Method and system of content recommendation
CN102754402B (zh) * 2009-10-20 2016-06-08 瑞典爱立信有限公司 对角化传送信道的可控滤波器
US8750400B2 (en) * 2010-01-04 2014-06-10 Broadcom Corporation Method and system for an iterative multiple user multiple input multiple output (MU-MIMO) communication system
RU2428795C1 (ru) * 2010-02-24 2011-09-10 Государственное образовательное учреждение высшего профессионального образования Ставропольский государственный университет Способ передачи информации на основе хаотически формируемых ансамблей дискретных многоуровневых ортогональных сигналов
JP2013176008A (ja) * 2012-02-27 2013-09-05 Kyocera Corp 通信システム、基地局、移動局及び通信制御方法
FR3009913B1 (fr) * 2013-08-23 2015-08-28 Thales Sa Procede de detection d'un signal electromagnetique par un reseau antennaire a diversite de diagramme et dispositif mettant en oeuvre le procede
WO2018187902A1 (en) 2017-04-10 2018-10-18 Qualcomm Incorporated An efficient interleaver design for polar codes
CN109461295B (zh) * 2018-12-07 2021-06-11 连尚（新昌）网络科技有限公司 一种家居报警方法及设备
US10826649B1 (en) 2018-12-19 2020-11-03 Marvell Asia Pte, Ltd. WiFi receiver architecture

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5490165A (en) * 1993-10-28 1996-02-06 Qualcomm Incorporated Demodulation element assignment in a system capable of receiving multiple signals
US6058105A (en) * 1997-09-26 2000-05-02 Lucent Technologies Inc. Multiple antenna communication system and method thereof
US20020154705A1 (en) * 2000-03-22 2002-10-24 Walton Jay R. High efficiency high performance communications system employing multi-carrier modulation
US6952454B1 (en) * 2000-03-22 2005-10-04 Qualcomm, Incorporated Multiplexing of real time services and non-real time services for OFDM systems
US6961388B2 (en) * 2001-02-01 2005-11-01 Qualcomm, Incorporated Coding scheme for a wireless communication system
DE10162548A1 (de) 2001-12-19 2003-07-17 Siemens Ag Kombination von adaptiver Modulation und Space-Frequency-Block-Codierung oder Antennengewichtung
US7039001B2 (en) * 2002-10-29 2006-05-02 Qualcomm, Incorporated Channel estimation for OFDM communication systems
US7280625B2 (en) * 2002-12-11 2007-10-09 Qualcomm Incorporated Derivation of eigenvectors for spatial processing in MIMO communication systems

Also Published As

Publication number Publication date
JP5175315B2 (ja) 2013-04-03
EP1570616A1 (en) 2005-09-07
ES2349490T3 (es) 2011-01-04
ES2308027T3 (es) 2008-12-01
ATE402551T1 (de) 2008-08-15
CN1739270A (zh) 2006-02-22
AU2009220023A1 (en) 2009-10-15
AU2009220023B2 (en) 2010-06-03
EP1940098A1 (en) 2008-07-02
RU2005121540A (ru) 2006-01-27
AU2003297873C1 (en) 2009-12-24
BR0317173A (pt) 2005-10-25
CN101615983A (zh) 2009-12-30
IL168932A (en) 2010-11-30
JP2010213298A (ja) 2010-09-24
CN101615983B (zh) 2013-08-28
DE60322424D1 (de) 2008-09-04
EP1570616B1 (en) 2008-07-23
KR101000170B1 (ko) 2010-12-10
JP2006513674A (ja) 2006-04-20
US7280625B2 (en) 2007-10-09
CA2809754C (en) 2014-02-11
ATE479263T1 (de) 2010-09-15
CA2509196C (en) 2014-12-09
CA2509196A1 (en) 2004-06-24
MXPA05006231A (es) 2005-09-08
KR20050085568A (ko) 2005-08-29
US20070297526A1 (en) 2007-12-27
US7551698B2 (en) 2009-06-23
RU2337493C2 (ru) 2008-10-27
US20040165684A1 (en) 2004-08-26
CA2809754A1 (en) 2004-06-24
HK1088143A1 (zh) 2006-10-27
AU2003297873A1 (en) 2004-06-30
IL168932A0 (en) 2009-02-11
CN100542145C (zh) 2009-09-16
AU2003297873B2 (en) 2009-07-02
CA2809768A1 (en) 2004-06-24
AU2009220023C1 (en) 2010-11-04
JP4532412B2 (ja) 2010-08-25
EP1940098B1 (en) 2010-08-25
WO2004054191A1 (en) 2004-06-24
CA2809768C (en) 2014-02-18

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