DE602004016189D1 - Verfahren zur steuerung der signalübertragung in einem system mit mehreren eingängen und mehreren ausgängen - Google Patents

Verfahren zur steuerung der signalübertragung in einem system mit mehreren eingängen und mehreren ausgängen

Info

Publication number
DE602004016189D1
DE602004016189D1 DE602004016189T DE602004016189T DE602004016189D1 DE 602004016189 D1 DE602004016189 D1 DE 602004016189D1 DE 602004016189 T DE602004016189 T DE 602004016189T DE 602004016189 T DE602004016189 T DE 602004016189T DE 602004016189 D1 DE602004016189 D1 DE 602004016189D1
Authority
DE
Germany
Prior art keywords
transmitting
weight vectors
transmitting antennas
mimo
antennas
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
DE602004016189T
Other languages
English (en)
Inventor
Bong Hoe Kim
Dong Youn Seo
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.)
LG Electronics Inc
Original Assignee
LG Electronics 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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of DE602004016189D1 publication Critical patent/DE602004016189D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • H04B1/71055—Joint detection techniques, e.g. linear detectors using minimum mean squared error [MMSE] detector
    • 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
    • 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
    • H04B7/0619—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 using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • 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
    • H04B7/0697—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 spatial multiplexing
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L1/0618—Space-time coding
    • H04L1/0637—Properties of the code
    • H04L1/0656—Cyclotomic systems, e.g. Bell Labs Layered Space-Time [BLAST]
    • 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
    • H04L1/0618—Space-time coding
    • H04L1/0675—Space-time coding characterised by the signaling
    • 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
    • H04B7/0602—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 antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters
    • H04B7/061—Antenna selection according to transmission parameters using feedback from receiving side
    • 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
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Selective Calling Equipment (AREA)
DE602004016189T 2003-10-01 2004-09-24 Verfahren zur steuerung der signalübertragung in einem system mit mehreren eingängen und mehreren ausgängen Active DE602004016189D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020030068307A KR100995031B1 (ko) 2003-10-01 2003-10-01 다중입력 다중출력 시스템에 적용되는 신호 전송 제어 방법
PCT/KR2004/002460 WO2005032154A2 (en) 2003-10-01 2004-09-24 Method of controlling signal transmission in multi-input/multi-output system

Publications (1)

Publication Number Publication Date
DE602004016189D1 true DE602004016189D1 (de) 2008-10-09

Family

ID=36284328

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004016189T Active DE602004016189D1 (de) 2003-10-01 2004-09-24 Verfahren zur steuerung der signalübertragung in einem system mit mehreren eingängen und mehreren ausgängen

Country Status (7)

Country Link
US (2) US7929633B2 (de)
EP (2) EP1933492B1 (de)
KR (1) KR100995031B1 (de)
CN (1) CN1864379A (de)
AT (2) ATE406743T1 (de)
DE (1) DE602004016189D1 (de)
WO (1) WO2005032154A2 (de)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA04005202A (es) * 2001-11-29 2004-08-19 Interdigital Tech Corp Sistema de salida multiple de entrada multiple eficiente para canales de desvanecimiento de trayectorias multiples.
US9270410B2 (en) 2002-04-22 2016-02-23 Texas Instruments Incorporated MIMO PGRC system and method
US8194770B2 (en) 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US8570988B2 (en) 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
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
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US7002900B2 (en) 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US8320301B2 (en) 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US8170513B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
JP4287670B2 (ja) * 2003-02-18 2009-07-01 パナソニック株式会社 通信装置及び通信方法
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
US8249518B2 (en) 2003-12-29 2012-08-21 Telefonaktiebolaget Lm Ericsson (Publ) Network controlled feedback for MIMO systems
WO2006074290A2 (en) 2005-01-07 2006-07-13 Gesturetek, Inc. Optical flow based tilt sensor
US7729325B2 (en) * 2005-04-05 2010-06-01 Toshiba America Research, Inc. Beamforming and distributed opportunistic scheduling in wireless networks
US7986680B2 (en) 2005-04-28 2011-07-26 Qualcomm Incorporated Transmit format selection with consideration for resource reuse
US7920645B2 (en) * 2005-05-04 2011-04-05 Panasonic Corporation Data transmissions in a mobile communication system employing diversity and constellation rearrangement of a 16 QAM scheme
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US9130706B2 (en) * 2005-05-26 2015-09-08 Unwired Planet, Llc Method and apparatus for signal quality loss compensation in multiplexing transmission systems
US8358714B2 (en) * 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
DE102005043001B4 (de) * 2005-09-09 2014-06-05 Intel Mobile Communications GmbH Verfahren zum Senden mehrerer Datenströme, Verfahren zum Demultiplexen von mittels mehrerer Empfangsantennen empfangenen Sende-Datenströmen, Sendeeinrichtung zum Senden mehrerer Datenströme, Empfangseinrichtung zum Demultiplexen von mittels mehrerer Empfangsantennen empfangenen Sende-Datenströmen und Computerprogrammelemente
WO2007041845A1 (en) 2005-10-12 2007-04-19 Nortel Networks Limited Multi-user mimo systems and methods
CN101297500B (zh) * 2005-10-28 2015-08-19 皇家飞利浦电子股份有限公司 利用可变分集增益的多天线发射
WO2007066307A2 (en) 2005-12-09 2007-06-14 Koninklijke Philips Electronics N.V. Multiple spatial channel transmission with rate control
GB2433397B (en) * 2005-12-16 2008-09-10 Toshiba Res Europ Ltd A configurable block cdma scheme
US20070165576A1 (en) * 2005-12-29 2007-07-19 Telefonaktiebolaget Lm Ericsson (Publ) Mimo control channel with shared channelization codes
US20080051037A1 (en) 2005-12-29 2008-02-28 Molnar Karl J BASE STATION AND METHOD FOR SELECTING BEST TRANSMIT ANTENNA(s) FOR SIGNALING CONTROL CHANNEL INFORMATION
CN101351980A (zh) * 2006-01-31 2009-01-21 三菱电机株式会社 无线发送装置、无线接收装置以及无线通信系统
KR20130081720A (ko) * 2006-02-03 2013-07-17 인터디지탈 테크날러지 코포레이션 고속 패킷 액세스 진화 시스템 및 롱텀 진화 시스템에서의 서비스 품질 기반 자원 결정 및 할당 장치 및 프로시저
KR100950654B1 (ko) * 2006-03-03 2010-04-01 삼성전자주식회사 다중 입력 다중 출력 방식을 사용하는 통신 시스템에서신호 송수신 장치 및 방법
CN101043241A (zh) * 2006-03-20 2007-09-26 华为技术有限公司 多天线通信方法和系统
WO2007111563A2 (en) * 2006-03-24 2007-10-04 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement in a telecommunication system
WO2007123904A1 (en) * 2006-04-18 2007-11-01 Interdigital Technology Corporation Method and apparatus for implementing h-arq in a mimo wireless communication system
US7751368B2 (en) * 2006-05-01 2010-07-06 Intel Corporation Providing CQI feedback to a transmitter station in a closed-loop MIMO system
RU2454807C2 (ru) 2006-05-19 2012-06-27 Панасоник Корпорейшн Радиопередающее устройство и способ радиопередачи
US8098640B2 (en) * 2006-07-12 2012-01-17 Intel Corporation Systems and methods for determining a predictable modulation and coding scheme
SI2060021T1 (sl) * 2006-08-28 2019-06-28 Koninklijke Philips N.V. Učinkovito signaliziranje informacije o kakovosti kanala (CQI) v sistemih mimo s spremenljivim številom snopov
JP5235342B2 (ja) * 2007-06-22 2013-07-10 キヤノン株式会社 通信装置、制御方法及びプログラム
CN101335910B (zh) * 2007-06-29 2012-02-29 中国移动通信集团公司 智能天线与多输入多输出天线的复用天线系统和方法
CN101340609B (zh) * 2007-07-04 2011-10-26 上海华为技术有限公司 广播多播业务发送方法、设备及系统
CN101102141B (zh) * 2007-08-03 2012-11-28 中兴通讯股份有限公司 多输入多输出数据流数目选择方法及系统
EP2615114B1 (de) 2007-08-23 2022-04-06 Amgen Inc. Antigenbindende Proteine an Proprotein-Konvertase-Subtilisin/Kexin vom Typ 9 (PCSK9)
US7778340B2 (en) * 2007-09-06 2010-08-17 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Accurate channel quality indicator for link adaptation of MIMO communication systems
JP2009098658A (ja) * 2007-09-25 2009-05-07 Fujifilm Corp 光学フィルム、偏光板、及び画像表示装置
JP5069579B2 (ja) * 2008-01-30 2012-11-07 京セラ株式会社 無線通信システム、無線通信装置および無線通信方法
US8144797B2 (en) 2008-03-25 2012-03-27 Intel Mobile Communications GmbH CQI table for wireless MIMO networks
JP2013529397A (ja) * 2010-01-07 2013-07-18 インターデイジタル パテント ホールディングス インコーポレイテッド アップリンクのアンテナ送信ダイバーシティを行う方法および装置
CN102208928B (zh) * 2010-03-29 2014-12-10 中兴通讯股份有限公司 多天线信道极化功率损失的建模方法及装置
CN102611541B (zh) * 2011-12-26 2017-05-03 中兴通讯股份有限公司 天线增益不平衡的数据重传方法及装置
EP2645653B1 (de) * 2012-03-30 2016-03-30 NTT DoCoMo, Inc. Übertragungsfilterrechner, Kommunikationsvorrichtung und Verfahren
CN103516486B (zh) * 2012-06-19 2018-08-07 中兴通讯股份有限公司 基于矢量选择调制的多天线传输方法、接收方法和装置
US9197302B2 (en) 2013-11-21 2015-11-24 Sony Corporation MIMO communication method
EP3084978B1 (de) 2013-12-20 2019-11-13 Telefonaktiebolaget LM Ericsson (publ) Verfahren, kommunikationssystem und computerprogramm zur sektorenauswahl
CN104219528B (zh) * 2014-09-09 2017-08-15 南京大学 一种支持可分级视频编码的mimo系统的视频传输方法
TWI744242B (zh) 2015-07-31 2021-11-01 德商安美基研究（慕尼黑）公司 Egfrviii及cd3抗體構築體
US11539908B2 (en) * 2017-09-29 2022-12-27 Advanced Micro Devices, Inc. Adjustable modulation coding scheme to increase video stream robustness
US10476628B2 (en) * 2017-11-27 2019-11-12 Comtech Systems Inc. Adaptive coding and modulation (ACM) transceiver system
US11558820B2 (en) 2019-11-05 2023-01-17 Qualcomm Incorporated Power saving in new radio multicast

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1331869A (zh) 1999-10-19 2002-01-16 诺基亚网络有限公司 借助空间和时间交错来优化链路质量
US6985434B2 (en) * 2000-09-01 2006-01-10 Nortel Networks Limited Adaptive time diversity and spatial diversity for OFDM
JP3923263B2 (ja) 2001-01-30 2007-05-30 日本電波工業株式会社 複合型水晶振動子及びこれを用いたオーバトーン水晶発振器
US6859503B2 (en) * 2001-04-07 2005-02-22 Motorola, Inc. Method and system in a transceiver for controlling a multiple-input, multiple-output communications channel
US6662024B2 (en) * 2001-05-16 2003-12-09 Qualcomm Incorporated Method and apparatus for allocating downlink resources in a multiple-input multiple-output (MIMO) communication system
US7072413B2 (en) * 2001-05-17 2006-07-04 Qualcomm, Incorporated Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
US7126996B2 (en) 2001-12-28 2006-10-24 Motorola, Inc. Adaptive transmission method
KR100421371B1 (ko) * 2002-02-19 2004-03-06 엘지전자 주식회사 이동통신 시스템의 적응형 변조 및 코딩 방법
US7184713B2 (en) * 2002-06-20 2007-02-27 Qualcomm, Incorporated Rate control for multi-channel communication systems
US8179864B2 (en) * 2002-08-06 2012-05-15 Rockstar Bidco Lp Method of controlling a communications link
US6917821B2 (en) 2003-09-23 2005-07-12 Qualcomm, Incorporated Successive interference cancellation receiver processing with selection diversity
US20050250544A1 (en) * 2004-05-07 2005-11-10 Stephen Grant Base station, mobile terminal device and method for implementing a selective-per-antenna-rate-control (S-PARC) technique in a wireless communications network

Also Published As

Publication number Publication date
EP1933492A1 (de) 2008-06-18
ATE532285T1 (de) 2011-11-15
WO2005032154A2 (en) 2005-04-07
KR100995031B1 (ko) 2010-11-19
CN1864379A (zh) 2006-11-15
ATE406743T1 (de) 2008-09-15
US20080260060A1 (en) 2008-10-23
WO2005032154A3 (en) 2005-06-16
EP1933492B1 (de) 2011-11-02
EP1668855B1 (de) 2008-08-27
KR20050032278A (ko) 2005-04-07
US7929633B2 (en) 2011-04-19
US20050147177A1 (en) 2005-07-07
US8031801B2 (en) 2011-10-04
EP1668855A2 (de) 2006-06-14

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