HK1130126A1 - Wireless transmitter - Google Patents

Wireless transmitter

Info

Publication number
HK1130126A1
HK1130126A1 HK09109264A HK09109264A HK1130126A1 HK 1130126 A1 HK1130126 A1 HK 1130126A1 HK 09109264 A HK09109264 A HK 09109264A HK 09109264 A HK09109264 A HK 09109264A HK 1130126 A1 HK1130126 A1 HK 1130126A1
Authority
HK
Hong Kong
Prior art keywords
transmission antennas
wireless transmitter
pilot channels
wireless receiver
data
Prior art date
Application number
HK09109264A
Other languages
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
Publication of HK1130126A1 publication Critical patent/HK1130126A1/xx

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
    • 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
    • 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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0671—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 delayed versions of same signal using different delays between 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
    • H04B7/0613—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
    • H04B7/0682—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 using phase diversity (e.g. phase sweeping)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • 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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0673—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 delayed versions of same signal 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
    • H04B7/12—Frequency diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Burglar Alarm Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
HK09109264A 2005-10-31 2009-10-07 Wireless transmitter HK1130126A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005316549 2005-10-31

Publications (1)

Publication Number Publication Date
HK1130126A1 true HK1130126A1 (en) 2009-12-18

Family

ID=38005728

Family Applications (3)

Application Number Title Priority Date Filing Date
HK09109273A HK1130128A1 (en) 2005-10-31 2009-10-07 Wireless transmitter
HK09109265A HK1130127A1 (en) 2005-10-31 2009-10-07 Wireless receiver
HK09109264A HK1130126A1 (en) 2005-10-31 2009-10-07 Wireless transmitter

Family Applications Before (2)

Application Number Title Priority Date Filing Date
HK09109273A HK1130128A1 (en) 2005-10-31 2009-10-07 Wireless transmitter
HK09109265A HK1130127A1 (en) 2005-10-31 2009-10-07 Wireless receiver

Country Status (11)

Country Link
US (7) US20100130221A1 (ru)
EP (4) EP1944882B1 (ru)
JP (5) JP4503650B2 (ru)
CN (4) CN101292441B (ru)
AT (3) ATE511248T1 (ru)
DE (1) DE602006020477D1 (ru)
EA (4) EA016627B1 (ru)
ES (3) ES2367138T3 (ru)
HK (3) HK1130128A1 (ru)
PL (3) PL2037592T3 (ru)
WO (1) WO2007052576A1 (ru)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA014592B1 (ru) * 2005-09-01 2010-12-30 Шарп Кабусики Кайся Способ управления передачей сигналов в системе беспроводной связи
EP1944893B1 (en) 2005-10-31 2020-01-01 Sharp Kabushiki Kaisha Radio transmitter, radio communication system, and radio transmission method
EA016627B1 (ru) 2005-10-31 2012-06-29 Шарп Кабусики Кайся Беспроводное передающее устройство
EP2439860B2 (en) * 2005-12-20 2017-07-26 Huawei Technologies Co., Ltd. Transmission method, base station and mobile unit for communication system using multiple antennas
EP1971042B1 (en) * 2005-12-26 2014-07-30 Huawei Technologies Co., Ltd. Wireless transmitter and wireless transmission method
TWI333342B (en) * 2006-11-06 2010-11-11 Inst Information Industry Signal relay apparatus, method, application program, and computer readable medium capable of adjusting amplifying gain dynamicaaly
GB2449470B (en) 2007-05-23 2011-06-29 British Broadcasting Corp OFDM-MIMO radio frequency transmission system
EP2342836B1 (en) * 2008-11-03 2018-05-02 Nokia Technologies Oy Methods, apparatus and computer program product for transmission diversity
US20100111145A1 (en) * 2008-11-05 2010-05-06 Broadcom Corporation Baseband unit having bit repetitive encoded/decoding
WO2010061853A1 (ja) 2008-11-26 2010-06-03 旭硝子株式会社 封着材料層付きガラス部材およびそれを用いた電子デバイスとその製造方法
JP5167097B2 (ja) * 2008-12-03 2013-03-21 株式会社エヌ・ティ・ティ・ドコモ 信号生成装置及び信号生成方法
JP5392268B2 (ja) * 2009-01-05 2014-01-22 富士通株式会社 通信装置、移動局および通信制御方法
US8537791B2 (en) * 2009-01-20 2013-09-17 Lg Electronics Inc. Method and apparatus for channel access in contention-based communication system and station
JP5410812B2 (ja) * 2009-03-31 2014-02-05 三星電子株式会社 無線通信装置、無線通信システム、及び直接波の受信タイミング検出方法
US20100329370A1 (en) * 2009-04-28 2010-12-30 Beceem Communications Inc. Selection of a Subset of Antennas for Transmission
JP5278173B2 (ja) * 2009-06-04 2013-09-04 ソニー株式会社 受信装置および方法、プログラム、並びに受信システム
US8224261B2 (en) * 2009-08-24 2012-07-17 Arvind Vijay Keerthi Creation of a beam using antennas
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
US8483735B2 (en) * 2010-08-26 2013-07-09 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatus for parallel scheduling of frequency resources for communication nodes
US8817912B1 (en) * 2010-10-27 2014-08-26 Marvell International Ltd. Phase-rotated tone-grouping modulation
KR102534519B1 (ko) 2011-02-18 2023-05-18 선 페이턴트 트러스트 신호생성방법 및 신호생성장치
WO2012153994A2 (ko) * 2011-05-10 2012-11-15 엘지전자 주식회사 복수의 안테나 포트를 이용하여 신호를 전송하는 방법 및 이를 위한 송신단 장치
KR20120138169A (ko) * 2011-06-14 2012-12-24 삼성전자주식회사 무선 통신 시스템에서 신호 수신 장치 및 방법
US8861638B2 (en) * 2011-09-26 2014-10-14 Cambridge Silicon Radio Limited Transmitter with reduced peak-to-mean amplitude ratio
TW201317573A (zh) * 2011-10-31 2013-05-01 Ind Tech Res Inst 多通道裝置及其硬體相位偏移修正方法
US8805394B2 (en) 2012-05-17 2014-08-12 Intel Corporation Systems and methods for interference mitigation in heterogeneous networks
US9871565B2 (en) * 2013-03-01 2018-01-16 Sony Corporation MIMO communication method, transmitting device, and receiving device
JP2015076700A (ja) * 2013-10-08 2015-04-20 株式会社Ｎｔｔドコモ 無線装置、無線制御装置及び通信制御方法
CN108352871B (zh) * 2015-10-08 2022-01-04 松下电器（美国）知识产权公司 发送方法、发送装置、接收方法、接收装置
KR102514061B1 (ko) * 2018-01-17 2023-03-24 삼성전자주식회사 무선 통신 시스템에서 신호를 송수신하는 방법 및 장치
JP6723424B1 (ja) * 2019-06-21 2020-07-15 株式会社横須賀テレコムリサーチパーク 送受信方法および送受信システム

Family Cites Families (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US266354A (en) * 1882-10-24 Caspar dickhaut
US137948A (en) * 1873-04-15 Improvement in extension-ladders
US4856025A (en) * 1985-12-26 1989-08-08 Matsushita Electric Industrial Co., Ltd. Method of digital signal transmission
JPH0834631B2 (ja) * 1989-12-28 1996-03-29 日本電気株式会社 デジタル移動通信システム
JPH04347410A (ja) 1991-05-24 1992-12-02 Matsushita Electric Ind Co Ltd 燃焼器の着火制御装置
IL120574A (en) * 1996-05-17 2002-09-12 Motorala Ltd Methods and devices for transmitter track weights
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
US5986972A (en) * 1998-03-31 1999-11-16 The United States Of America As Represented By The Secretary Of The Navy Beam pattern shaping for transmitter array
WO2000002287A1 (fr) * 1998-07-02 2000-01-13 Matsushita Electric Industrial Co., Ltd. Antenne, equipement de communication et recepteur television numerique
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
US6377632B1 (en) 2000-01-24 2002-04-23 Iospan Wireless, Inc. Wireless communication system and method using stochastic space-time/frequency division multiplexing
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
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
KR100353641B1 (ko) * 2000-12-21 2002-09-28 삼성전자 주식회사 부호분할다중접속 이동통신시스템의 기지국 전송 안테나다이버시티 장치 및 방법
JP4496673B2 (ja) * 2001-06-07 2010-07-07 株式会社デンソー Ｏｆｄｍ方式の送受信機
US7440509B2 (en) * 2001-06-21 2008-10-21 Motorola, Inc. Method and system for interference averaging in a wireless communication system
US6550910B2 (en) * 2001-08-16 2003-04-22 Hewlett-Packard Company Imaging device with interface features
WO2003026335A1 (fr) * 2001-09-14 2003-03-27 Fujitsu Limited Systeme de communication mobile, station mobile et station de base
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
EP1335552B1 (en) * 2002-02-07 2007-01-10 Mitsubishi Electric Information Technology Centre Europe B.V. Estimation of channel response and of delay in multicarrier systems
US7116944B2 (en) * 2002-02-07 2006-10-03 Lucent Technologies Inc. Method and apparatus for feedback error detection in a wireless communications systems
JP3640185B2 (ja) * 2002-02-13 2005-04-20 日本電気株式会社 マルチキャリア通信方式のサブキャリア間干渉低減方法及びそれを用いた受信機
US6862456B2 (en) * 2002-03-01 2005-03-01 Cognio, Inc. Systems and methods for improving range for multicast wireless communication
US20060057969A1 (en) * 2002-12-04 2006-03-16 Wim Van Houtum Delay diversity in a wireless communication system
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
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
US7438903B2 (en) * 2003-06-06 2008-10-21 Nbty, Inc. Methods and compositions that enhance bioavailability of coenzyme-Q10
BRPI0411462B1 (pt) * 2003-06-16 2015-02-18 Sherwin Williams Co Composições de revestimento de alta estrutura transportada por água
KR20060025197A (ko) * 2003-06-30 2006-03-20 닛본 덴끼 가부시끼가이샤 무선 통신 시스템 및 송신 모드 선택 방법
US20050048933A1 (en) * 2003-08-25 2005-03-03 Jingxian Wu Adaptive transmit diversity with quadrant phase constraining feedback
US7242722B2 (en) * 2003-10-17 2007-07-10 Motorola, Inc. Method and apparatus for transmission and reception within an OFDM communication system
KR100557158B1 (ko) 2003-11-12 2006-03-03 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 이동통신시스템에서 부반송파 할당을 위한 장치 및 방법
US8040986B2 (en) * 2003-11-26 2011-10-18 Texas Instruments Incorporated Frequency-domain subchannel transmit antenna selection and power pouring for multi-antenna transmission
KR100507541B1 (ko) 2003-12-19 2005-08-09 삼성전자주식회사 직교주파수분할다중접속 시스템에서의 데이터 및 파일롯할당 방법 과 그를 이용한 송신 방법 및 그 장치, 수신방법과 그 장치
JP2005191997A (ja) 2003-12-26 2005-07-14 Sanyo Electric Co Ltd 受信方法および装置
US7742533B2 (en) * 2004-03-12 2010-06-22 Kabushiki Kaisha Toshiba OFDM signal transmission method and apparatus
JP2005259030A (ja) * 2004-03-15 2005-09-22 Sharp Corp 性能評価装置、性能評価方法、プログラムおよびコンピュータ読取可能記録媒体
JP4290048B2 (ja) * 2004-03-23 2009-07-01 三洋電機株式会社 受信方法および装置
US7447268B2 (en) 2004-03-31 2008-11-04 Intel Corporation OFDM system with per subcarrier phase rotation
JP2005316549A (ja) 2004-04-27 2005-11-10 Omron Corp セキュリティシステムおよび防犯方法
US8331377B2 (en) * 2004-05-05 2012-12-11 Qualcomm Incorporated Distributed forward link schedulers for multi-carrier communication systems
FR2870406A1 (fr) * 2004-05-14 2005-11-18 St Microelectronics Sa Modulation de charge d'un transporteur
US8233555B2 (en) * 2004-05-17 2012-07-31 Qualcomm Incorporated Time varying delay diversity of OFDM
JP4515155B2 (ja) * 2004-05-25 2010-07-28 株式会社エヌ・ティ・ティ・ドコモ 送信装置
US7920884B2 (en) * 2004-06-04 2011-04-05 Qualcomm Incorporated Frame structures for a wireless communication system with multiple radio technologies
KR20050118031A (ko) 2004-06-12 2005-12-15 삼성전자주식회사 순환지연 다이버시티를 이용하여 방송 채널을 효율적으로전송하는 장치 및 방법
TWI246273B (en) * 2004-06-28 2005-12-21 Ind Tech Res Inst Method and apparatus for high-order PAPR reduction of an OFDM signal
US7676007B1 (en) * 2004-07-21 2010-03-09 Jihoon Choi System and method for interpolation based transmit beamforming for MIMO-OFDM with partial feedback
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
JP4569929B2 (ja) * 2005-01-17 2010-10-27 シャープ株式会社 通信装置
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
US7738356B2 (en) * 2005-06-28 2010-06-15 Broadcom Corporation Multiple stream cyclic-shifted delay transmitter
US20070004465A1 (en) * 2005-06-29 2007-01-04 Aris Papasakellariou Pilot Channel Design for Communication Systems
WO2007024027A1 (en) * 2005-08-26 2007-03-01 Nec Corporation Adaptive pilot structure to assist channel estimation in spread spectrum systems
EA014592B1 (ru) * 2005-09-01 2010-12-30 Шарп Кабусики Кайся Способ управления передачей сигналов в системе беспроводной связи
US8139672B2 (en) * 2005-09-23 2012-03-20 Qualcomm Incorporated Method and apparatus for pilot communication in a multi-antenna wireless communication system
KR100831177B1 (ko) * 2005-10-08 2008-05-21 삼성전자주식회사 스마트 안테나 통신시스템의 송신기 및 송신 방법
EP2148483B1 (en) 2005-10-28 2017-05-10 Huawei Technologies Co., Ltd. OFDM system with subcarrier group phase rotation
EA016627B1 (ru) * 2005-10-31 2012-06-29 Шарп Кабусики Кайся Беспроводное передающее устройство
US8233552B2 (en) * 2005-11-07 2012-07-31 Broadcom Corporation Method and system for utilizing givens rotation expressions for asymmetric beamforming matrices in explicit feedback information
US7672388B2 (en) * 2006-03-23 2010-03-02 Motorola, Inc. Method of providing signal diversity in an OFDM system
US8213541B2 (en) * 2006-09-12 2012-07-03 Hera Wireless S.A. Receiving method for receiving signals by a plurality of antennas, and a receiving apparatus and a radio apparatus using the same

Also Published As

Publication number Publication date
US20090081967A1 (en) 2009-03-26
JPWO2007052576A1 (ja) 2009-04-30
ES2362372T3 (es) 2011-07-04
US8116708B2 (en) 2012-02-14
EA200801131A1 (ru) 2008-08-29
EP2034624A3 (en) 2010-03-10
US20090080402A1 (en) 2009-03-26
WO2007052576A1 (ja) 2007-05-10
EA016627B1 (ru) 2012-06-29
ATE540487T1 (de) 2012-01-15
CN101292441A (zh) 2008-10-22
JP4503650B2 (ja) 2010-07-14
US20100124888A1 (en) 2010-05-20
EP2037592B1 (en) 2012-01-04
ATE511248T1 (de) 2011-06-15
PL2034624T3 (pl) 2011-10-31
JP2010136424A (ja) 2010-06-17
US8107897B2 (en) 2012-01-31
US20100130221A1 (en) 2010-05-27
EP1944882A1 (en) 2008-07-16
HK1130128A1 (en) 2009-12-18
EA016947B1 (ru) 2012-08-30
CN101471690B (zh) 2013-01-16
CN101483464B (zh) 2012-12-12
EP1944882A4 (en) 2010-03-10
JP2010136425A (ja) 2010-06-17
JP4405574B2 (ja) 2010-01-27
US20110250855A1 (en) 2011-10-13
EA012497B1 (ru) 2009-10-30
EP2037592A3 (en) 2010-03-03
CN101292441B (zh) 2012-05-16
US8111743B2 (en) 2012-02-07
EP2034625A3 (en) 2013-11-06
EA018436B1 (ru) 2013-08-30
ATE500658T1 (de) 2011-03-15
JP4405573B2 (ja) 2010-01-27
US8170512B2 (en) 2012-05-01
CN101483465A (zh) 2009-07-15
EA200802301A1 (ru) 2009-10-30
EP2034624A2 (en) 2009-03-11
DE602006020477D1 (de) 2011-04-14
EA200802303A1 (ru) 2009-12-30
EP1944882B1 (en) 2011-03-02
CN101483465B (zh) 2013-07-24
ES2367138T3 (es) 2011-10-28
JP5101641B2 (ja) 2012-12-19
CN101471690A (zh) 2009-07-01
ES2378714T3 (es) 2012-04-17
EP2034624B1 (en) 2011-05-25
US20100120388A1 (en) 2010-05-13
US20090086838A1 (en) 2009-04-02
US8121559B2 (en) 2012-02-21
EA200802302A1 (ru) 2009-12-30
CN101483464A (zh) 2009-07-15
EP2034625A2 (en) 2009-03-11
EP2037592A2 (en) 2009-03-18
PL2037592T3 (pl) 2012-07-31
JP2008301535A (ja) 2008-12-11
PL1944882T3 (pl) 2011-07-29
HK1130127A1 (en) 2009-12-18
EP2034625B1 (en) 2015-01-07
US8121184B2 (en) 2012-02-21
JP2009033762A (ja) 2009-02-12

Similar Documents

Publication Publication Date Title
HK1130126A1 (en) Wireless transmitter
WO2008075264A3 (en) Beacon transmission and reception using directional antennas
WO2008081683A1 (ja) 無線通信装置及び再送制御方法
GB0519946D0 (en) Communication in dual protocol environments
EP1655990A4 (en) WIRELESS MICROPHONE COMMUNICATION SYSTEM
GB0110125D0 (en) Radio communication system
CA2415170A1 (en) Receiver, transmitter, communication system, and method of communication
WO2008093952A3 (en) Antenna switching method and method for transmitting and receiving signals for the same
WO2005057720A3 (en) System and method for providing a smart antenna
TW200703968A (en) Apparatus and method for transmitting/receiving data in a mobile communication system using multiple antennas
AU2003238811A1 (en) A method and system for multiple channel wireless transmitter and receiver with phase and amplitude calibration
WO2003069816A3 (en) Near-field spatial multiplexing
WO2010087645A3 (en) Method and apparatus for receiving and transmitting signals in wireless communication system
WO2011139458A3 (en) Techniques for formatting signals for transmission using a wireless network
RU2015145545A (ru) Способ управления передачей, передающее устройство и принимающее устройство для системы беспроводной связи
WO2008107995A1 (ja) 無線通信装置及び移動無線通信制御方法及び無線局
WO2009051447A3 (en) System and method for transmitting/receiving signal in a communication system
WO2006107537A8 (en) Wireless device and method for wireless multiple access
EP1367760A3 (en) Transmit/receive diversity wireless communication
EP1658687A4 (en) TRANSMISSION METHOD OF A CONTROL SIGNAL FOR THE DOWNWARD DIRECTION FOR A MIMO SYSTEM
EP1971059A4 (en) WIRELESS TRANSMITTER, WIRELESS RECEIVER, WIRELESS COMMUNICATION SYSTEM, WIRELESS TRANSMISSION METHOD AND WIRELESS RECEPTION PROCESS
EP1592158A4 (en) WIRELESS TRANSMITTER WIRELESS TELECOMMUNICATIONS SYSTEM, WIRELESS RECEIVER, WIRELESS TELECOMMUNICATIONS METHOD, WIRELESS TRANSMITTING METHOD, AND WIRELESS RECEIVING METHOD
WO2009042019A3 (en) Symbol timing relative offset multi antenna system and method
WO2006135539A3 (en) Minimizing the total transmitted power within a wireless network
WO2008117401A1 (ja) 無線通信システムにおける送信ダイバーシティ方法並びに無線送信装置及び無線受信装置

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20211030