DK2280495T3 - Fremgangsmåde til trådløs transmission - Google Patents

Fremgangsmåde til trådløs transmission

Info

Publication number
DK2280495T3
DK2280495T3 DK10187791.8T DK10187791T DK2280495T3 DK 2280495 T3 DK2280495 T3 DK 2280495T3 DK 10187791 T DK10187791 T DK 10187791T DK 2280495 T3 DK2280495 T3 DK 2280495T3
Authority
DK
Denmark
Prior art keywords
transmission
control method
delays
wireless transmission
transmission control
Prior art date
Application number
DK10187791.8T
Other languages
Danish (da)
English (en)
Inventor
Kimihiko Imamura
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Application granted granted Critical
Publication of DK2280495T3 publication Critical patent/DK2280495T3/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0667Diversity 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 delayed versions of same signal
    • H04B7/0671Diversity 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 delayed versions of same signal using different delays between antennas
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0452Multi-user MIMO systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0617Diversity 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 for beam forming
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/12Frequency diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Radar Systems Or Details Thereof (AREA)
DK10187791.8T 2005-09-01 2006-09-01 Fremgangsmåde til trådløs transmission DK2280495T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005253194 2005-09-01
JP2005367860 2005-12-21
EP06797294.3A EP1921774B1 (en) 2005-09-01 2006-09-01 Wireless transmitting device and wireless transmitting method

Publications (1)

Publication Number Publication Date
DK2280495T3 true DK2280495T3 (da) 2012-04-23

Family

ID=37808966

Family Applications (2)

Application Number Title Priority Date Filing Date
DK10187791.8T DK2280495T3 (da) 2005-09-01 2006-09-01 Fremgangsmåde til trådløs transmission
DK09015517.7T DK2164187T3 (da) 2005-09-01 2006-09-01 Transmissionsstyringsfremgangsmåde

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK09015517.7T DK2164187T3 (da) 2005-09-01 2006-09-01 Transmissionsstyringsfremgangsmåde

Country Status (11)

Country Link
US (4) US8098763B2 (enExample)
EP (4) EP2164187B1 (enExample)
JP (7) JP4477067B2 (enExample)
CN (3) CN101253705A (enExample)
AT (2) ATE549803T1 (enExample)
DK (2) DK2280495T3 (enExample)
EA (5) EA014591B1 (enExample)
ES (2) ES2379569T3 (enExample)
PL (2) PL2280495T3 (enExample)
PT (2) PT2164187E (enExample)
WO (1) WO2007026882A1 (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4197482B2 (ja) * 2002-11-13 2008-12-17 パナソニック株式会社 基地局の送信方法、基地局の送信装置及び通信端末
EP2164187B1 (en) 2005-09-01 2012-02-08 Sharp Kabushiki Kaisha Transmission control method
ATE500658T1 (de) 2005-10-31 2011-03-15 Sharp Kk Endgerätevorrichtung, basisstationsvorrichtung und kommunikationssystem
CN101346919B (zh) * 2005-10-31 2013-01-30 夏普株式会社 无线发射机、无线通信系统及无线发送方法
EA012005B1 (ru) * 2005-12-20 2009-06-30 Шарп Кабусики Кайся Передатчик для системы связи
WO2007077736A1 (ja) 2005-12-26 2007-07-12 Sharp Kabushiki Kaisha 無線送信機及び無線送信方法
US8130858B1 (en) 2007-05-30 2012-03-06 Marvell International Ltd. Method and apparatus for implementing transmit diversity in OFDM systems
EP2243225A4 (en) * 2008-02-01 2014-08-20 Apple Inc SYSTEM AND METHOD FOR SPATIAL MULTIPLEX MULTIPLEX BROADCAST / MULTICAST BROADCAST TRANSMISSION
US8428077B2 (en) * 2008-03-31 2013-04-23 Qualcomm Incorporated Methods and apparatus for dynamic load balancing with E-AICH
EP2112775B1 (en) * 2008-04-25 2018-06-06 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus for compensation for propagation delay in a wireless communication system
JP5066550B2 (ja) * 2008-09-25 2012-11-07 株式会社エヌ・ティ・ティ・ドコモ 送信電力制御方法、基地局装置および移動局装置
CN102342056A (zh) * 2009-03-05 2012-02-01 三菱电机株式会社 无线通信系统、发送装置以及接收装置
US8416072B2 (en) * 2009-11-23 2013-04-09 Versus Technology, Inc. Real-time method and system for locating a mobile object or person in a tracking environment while conserving electrical energy in a battery-operated tracking tag associated with the object or person
KR101559295B1 (ko) 2009-12-04 2015-10-12 삼성전자주식회사 공간 분할 다중 사용자 다중 입력 다중 출력 방식을 이용하는 통신 시스템
CN102148658A (zh) 2010-02-10 2011-08-10 中兴通讯股份有限公司 一种基于分层映射的速率匹配权值校正方法和装置
JP2011211254A (ja) * 2010-03-26 2011-10-20 Kyocera Corp 携帯端末、無線通信システム及び無線通信方法
US8446872B2 (en) * 2010-06-18 2013-05-21 Intel Mobile Communications GmbH Communication terminal, communication device, method for data communication, and method for frequency allocation
CN102377466B (zh) * 2010-08-13 2014-04-30 华为技术有限公司 多天线分集调度方法和装置
JP5625719B2 (ja) * 2010-10-08 2014-11-19 富士通株式会社 無線受信装置および無線受信方法
RU2474066C1 (ru) * 2011-09-06 2013-01-27 Владимир Константинович Гаврилов Способ телеграфной радиосвязи и устройство для его реализации
US9209950B2 (en) 2011-10-03 2015-12-08 Qualcomm Incorporated Antenna time offset in multiple-input-multiple-output and coordinated multipoint transmissions
CN103731190B (zh) * 2012-10-16 2018-03-27 华为技术有限公司 多用户多输入多输出系统的信号传输方法、基站及系统
CN105530696B (zh) * 2015-12-11 2020-07-31 航天恒星科技有限公司 一种多用户干扰消除方法及系统
US20170187435A1 (en) * 2015-12-23 2017-06-29 Intel IP Corporation Initiating and protecting multi-user multiple input multiple output transmissions in communication networks
JP2023007089A (ja) * 2021-07-01 2023-01-18 富士通株式会社 無線通信システム、無線通信装置及びビームパターン決定方法

Family Cites Families (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56140729A (en) * 1980-04-01 1981-11-04 Nec Corp Equalizer for transmission route length
DE3687748T2 (de) * 1985-12-26 1993-05-27 Matsushita Electric Ind Co Ltd Uebertragungsmethode eines digitalen signals mit verbesserten fehlerrateeigenschaften bei mehrweguebertragung.
JP2746190B2 (ja) * 1995-04-27 1998-04-28 住友電気工業株式会社 スペクトラム拡散通信装置
US6034987A (en) * 1996-12-17 2000-03-07 Ericsson Inc. System for improving the quality of a received radio signal
US6160510A (en) * 1997-07-03 2000-12-12 Lucent Technologies, Inc. Delay line antenna array system and method thereof
US6131016A (en) * 1997-08-27 2000-10-10 At&T Corp Method and apparatus for enhancing communication reception at a wireless communication terminal
SE513656C2 (sv) * 1997-11-21 2000-10-16 Ericsson Telefon Ab L M Förfarande och anordning för mottagning av radiosignaler med hjälp av antennlober
JP3718337B2 (ja) * 1998-01-08 2005-11-24 株式会社東芝 適応可変指向性アンテナ
JP2000209017A (ja) 1999-01-20 2000-07-28 Fujitsu Ltd 無線基地局
KR100316777B1 (ko) * 1999-08-24 2001-12-12 윤종용 차세대 이동 통신 시스템에서의 폐쇄 루프 전송 안테나 다이버시티 방법 및 이를 위한 기지국 장치 및 이동국 장치
JP3732364B2 (ja) 1999-08-27 2006-01-05 松下電器産業株式会社 通信端末装置及びチャネル推定方法
JP2001168777A (ja) 1999-12-06 2001-06-22 Matsushita Electric Ind Co Ltd 通信端末装置及び無線通信方法
US6807145B1 (en) * 1999-12-06 2004-10-19 Lucent Technologies Inc. Diversity in orthogonal frequency division multiplexing systems
JP4495288B2 (ja) 2000-01-18 2010-06-30 パナソニック株式会社 基地局装置、通信端末装置、及び無線通信方法
JP4187377B2 (ja) * 2000-02-23 2008-11-26 富士通株式会社 無線送受信機及び電波放射方向制御方法
US7139324B1 (en) * 2000-06-02 2006-11-21 Nokia Networks Oy Closed loop feedback system for improved down link performance
AU2001270832A1 (en) 2000-07-14 2002-01-30 Ip.Access Ltd. Cellular radio telecommunication system
GB0017427D0 (en) * 2000-07-14 2000-08-30 Ip Access Ltd Cellular radio telecommunication system
US6731619B1 (en) 2000-08-02 2004-05-04 Ericsson Inc. Method and system for using one type of transmit diversity in a first time slot and a second type in an adjacent time slot
FR2813465B1 (fr) * 2000-08-29 2005-04-08 Mitsubishi Electric Inf Tech Methode d'estimation conjointe de canal et de direction d'arrivee
US7065156B1 (en) 2000-08-31 2006-06-20 Nokia Mobile Phones Ltd. Hopped delay diversity for multiple antenna transmission
US6842487B1 (en) * 2000-09-22 2005-01-11 Telefonaktiebolaget Lm Ericsson (Publ) Cyclic delay diversity for mitigating intersymbol interference in OFDM systems
JP3639521B2 (ja) * 2000-11-10 2005-04-20 株式会社ケンウッド ダイバーシティ受信機及び直交周波数分割多重信号受信方法
US7440509B2 (en) * 2001-06-21 2008-10-21 Motorola, Inc. Method and system for interference averaging in a wireless communication system
US7164649B2 (en) 2001-11-02 2007-01-16 Qualcomm, Incorporated Adaptive rate control for OFDM communication system
US7149258B2 (en) * 2001-11-28 2006-12-12 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for estimation of phase offset between communication channels
DE60217464T2 (de) * 2002-02-07 2007-11-15 Mitsubishi Denki K.K. Kanal- und Verzögerungsschätzung in Mehrträgersystemen
US7116944B2 (en) * 2002-02-07 2006-10-03 Lucent Technologies Inc. Method and apparatus for feedback error detection in a wireless communications systems
US6862456B2 (en) * 2002-03-01 2005-03-01 Cognio, Inc. Systems and methods for improving range for multicast wireless communication
JP2006509394A (ja) * 2002-12-04 2006-03-16 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 無線通信システムにおける遅延ダイバーシチ
KR100605860B1 (ko) * 2003-01-09 2006-07-31 삼성전자주식회사 4개의 송신 안테나를 사용하는 무선통신 시스템의 송신 장치 및 방법
US7406335B2 (en) * 2003-01-13 2008-07-29 Lucent Technologies Inc. Multiple antenna transmissions with deterministic phase differences
JP4247019B2 (ja) * 2003-03-24 2009-04-02 京セラ株式会社 無線通信機
JP2004320168A (ja) * 2003-04-11 2004-11-11 Matsushita Electric Ind Co Ltd 無線受信装置および無線受信方法
FI20030777A0 (fi) * 2003-05-22 2003-05-22 Nokia Corp Lähetysdiversiteetin kertaluvun ja lähetyshaarojen määritys
US20050048933A1 (en) * 2003-08-25 2005-03-03 Jingxian Wu Adaptive transmit diversity with quadrant phase constraining feedback
DE60307140T2 (de) 2003-09-30 2007-08-02 Ntt Docomo, Inc. Vorrichtung und verfahren zur zyklischen verzögerungsdiversität
US8040986B2 (en) 2003-11-26 2011-10-18 Texas Instruments Incorporated Frequency-domain subchannel transmit antenna selection and power pouring for multi-antenna transmission
JP2005191997A (ja) * 2003-12-26 2005-07-14 Sanyo Electric Co Ltd 受信方法および装置
FI20031912A0 (fi) * 2003-12-29 2003-12-29 Nokia Corp Menetelmä ja järjestelmä reaaliaikaisen tiedonsiirtopalvelun kontrolloimiseksi
US8194771B2 (en) * 2004-01-27 2012-06-05 Agere Systems Inc. Transmission method and apparatus in a multiple antenna communication system
EP1716680B1 (en) * 2004-02-19 2008-08-27 NTT DoCoMo INC. Channel estimator and method for estimating a channel transfer function and apparatus and method for providing pilot sequences
JP2005253194A (ja) 2004-03-04 2005-09-15 Yaskawa Electric Corp 固定子、可動テーブル、およびこれらを有するムービングマグネット型リニアモータ
US7447268B2 (en) * 2004-03-31 2008-11-04 Intel Corporation OFDM system with per subcarrier phase rotation
US8331377B2 (en) 2004-05-05 2012-12-11 Qualcomm Incorporated Distributed forward link schedulers for multi-carrier communication systems
US8233555B2 (en) * 2004-05-17 2012-07-31 Qualcomm Incorporated Time varying delay diversity of OFDM
KR20050118031A (ko) * 2004-06-12 2005-12-15 삼성전자주식회사 순환지연 다이버시티를 이용하여 방송 채널을 효율적으로전송하는 장치 및 방법
US7319868B2 (en) * 2004-09-27 2008-01-15 Telefonktiebolaget Lm Ericsson (Publ) Derivation of optimal antenna weights during soft handover
US7436903B2 (en) * 2004-09-29 2008-10-14 Intel Corporation Multicarrier transmitter and method for transmitting multiple data streams with cyclic delay diversity
US7953039B2 (en) * 2005-04-21 2011-05-31 Samsung Elecronics Co., Ltd. System and method for channel estimation in a delay diversity wireless communication system
US7634290B2 (en) 2005-05-31 2009-12-15 Vixs Systems, Inc. Adjusting transmit power of a wireless communication device
CN103078724A (zh) * 2005-08-26 2013-05-01 日本电气株式会社 用于在扩频系统中辅助信道估计的自适应导频结构
EP2164187B1 (en) 2005-09-01 2012-02-08 Sharp Kabushiki Kaisha Transmission control method
US8139672B2 (en) * 2005-09-23 2012-03-20 Qualcomm Incorporated Method and apparatus for pilot communication in a multi-antenna wireless communication system
ATE500658T1 (de) * 2005-10-31 2011-03-15 Sharp Kk Endgerätevorrichtung, basisstationsvorrichtung und kommunikationssystem
US7672388B2 (en) * 2006-03-23 2010-03-02 Motorola, Inc. Method of providing signal diversity in an OFDM system

Also Published As

Publication number Publication date
JPWO2007026882A1 (ja) 2009-03-26
EA200802341A1 (ru) 2009-10-30
EP2164187A2 (en) 2010-03-17
EA200802342A1 (ru) 2009-10-30
EP1921774B1 (en) 2016-07-20
EA014593B1 (ru) 2010-12-30
JP2009260992A (ja) 2009-11-05
CN102142877B (zh) 2012-09-12
EA014591B1 (ru) 2010-12-30
JP4477067B2 (ja) 2010-06-09
JP4477080B2 (ja) 2010-06-09
PT2280495E (pt) 2012-05-25
CN101729118A (zh) 2010-06-09
EA200800453A1 (ru) 2008-08-29
JP2008301530A (ja) 2008-12-11
EP2285012B1 (en) 2012-12-19
EA014592B1 (ru) 2010-12-30
EP2164187B1 (en) 2012-02-08
CN101729118B (zh) 2016-03-23
JP4842307B2 (ja) 2011-12-21
EA200802343A1 (ru) 2009-10-30
EP1921774A4 (en) 2011-02-23
JP5107397B2 (ja) 2012-12-26
EA200802344A1 (ru) 2009-10-30
CN101253705A (zh) 2008-08-27
JP2010263644A (ja) 2010-11-18
JP5280169B2 (ja) 2013-09-04
JP2009022030A (ja) 2009-01-29
US20100157935A1 (en) 2010-06-24
US20090135940A1 (en) 2009-05-28
US8098763B2 (en) 2012-01-17
EP2280495B1 (en) 2012-03-14
ES2379569T3 (es) 2012-04-27
US8170133B2 (en) 2012-05-01
ATE549803T1 (de) 2012-03-15
ATE545214T1 (de) 2012-02-15
CN102142877A (zh) 2011-08-03
WO2007026882A1 (ja) 2007-03-08
EP1921774A1 (en) 2008-05-14
EP2285012A1 (en) 2011-02-16
EA014594B1 (ru) 2010-12-30
JP2009095044A (ja) 2009-04-30
JP2009022031A (ja) 2009-01-29
DK2164187T3 (da) 2012-03-19
ES2380451T3 (es) 2012-05-11
EP2280495A1 (en) 2011-02-02
JP4481353B2 (ja) 2010-06-16
JP4402151B2 (ja) 2010-01-20
US20100261441A1 (en) 2010-10-14
PL2280495T3 (pl) 2012-08-31
US8625717B2 (en) 2014-01-07
US8116403B2 (en) 2012-02-14
PT2164187E (pt) 2012-05-07
EA011429B1 (ru) 2009-02-27
PL2164187T3 (pl) 2012-07-31
HK1141153A1 (en) 2010-10-29
EP2164187A3 (en) 2010-06-02
US20100260287A1 (en) 2010-10-14

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