JP2002519928A5 - - Google Patents

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Publication number
JP2002519928A5
JP2002519928A5 JP2000557556A JP2000557556A JP2002519928A5 JP 2002519928 A5 JP2002519928 A5 JP 2002519928A5 JP 2000557556 A JP2000557556 A JP 2000557556A JP 2000557556 A JP2000557556 A JP 2000557556A JP 2002519928 A5 JP2002519928 A5 JP 2002519928A5
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JP
Japan
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.)
Granted
Application number
JP2000557556A
Other languages
Japanese (ja)
Other versions
JP4391021B2 (ja
JP2002519928A (ja
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Publication date
Priority claimed from US09/107,106 external-priority patent/US6067324A/en
Application filed filed Critical
Publication of JP2002519928A publication Critical patent/JP2002519928A/ja
Publication of JP2002519928A5 publication Critical patent/JP2002519928A5/ja
Application granted granted Critical
Publication of JP4391021B2 publication Critical patent/JP4391021B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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JP2000557556A 1998-06-30 1999-06-22 ワイヤレス通信システムにおいて適応型アンテナ・アレイを利用して通信信号を送信および復調するための方法およびシステム Expired - Lifetime JP4391021B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/107,106 US6067324A (en) 1998-06-30 1998-06-30 Method and system for transmitting and demodulating a communications signal using an adaptive antenna array in a wireless communication system
US09/107,106 1998-06-30
PCT/US1999/014005 WO2000001078A1 (en) 1998-06-30 1999-06-22 A communication system for transmitting and demodulating a communication signal using an adaptive antenna array

Publications (3)

Publication Number Publication Date
JP2002519928A JP2002519928A (ja) 2002-07-02
JP2002519928A5 true JP2002519928A5 (cg-RX-API-DMAC7.html) 2006-08-17
JP4391021B2 JP4391021B2 (ja) 2009-12-24

Family

ID=22314873

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000557556A Expired - Lifetime JP4391021B2 (ja) 1998-06-30 1999-06-22 ワイヤレス通信システムにおいて適応型アンテナ・アレイを利用して通信信号を送信および復調するための方法およびシステム

Country Status (9)

Country Link
US (1) US6067324A (cg-RX-API-DMAC7.html)
EP (1) EP1092273B1 (cg-RX-API-DMAC7.html)
JP (1) JP4391021B2 (cg-RX-API-DMAC7.html)
KR (1) KR100412295B1 (cg-RX-API-DMAC7.html)
CN (1) CN1144384C (cg-RX-API-DMAC7.html)
BR (1) BR9911629A (cg-RX-API-DMAC7.html)
CA (1) CA2336307C (cg-RX-API-DMAC7.html)
DE (1) DE69937296T2 (cg-RX-API-DMAC7.html)
WO (1) WO2000001078A1 (cg-RX-API-DMAC7.html)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6275543B1 (en) 1996-10-11 2001-08-14 Arraycomm, Inc. Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing
US7035661B1 (en) * 1996-10-11 2006-04-25 Arraycomm, Llc. Power control with signal quality estimation for smart antenna communication systems
US6463295B1 (en) 1996-10-11 2002-10-08 Arraycomm, Inc. Power control with signal quality estimation for smart antenna communication systems
US6185258B1 (en) 1997-09-16 2001-02-06 At&T Wireless Services Inc. Transmitter diversity technique for wireless communications
EP1808969B1 (en) * 1997-10-31 2014-01-01 AT & T Mobility II, LLC Maximum likehood detection of concatenated space-time codes for wireless applications with transmitter diversity
US9118387B2 (en) * 1997-11-03 2015-08-25 Qualcomm Incorporated Pilot reference transmission for a wireless communication system
US7184426B2 (en) 2002-12-12 2007-02-27 Qualcomm, Incorporated Method and apparatus for burst pilot for a time division multiplex system
US7299071B1 (en) 1997-12-10 2007-11-20 Arraycomm, Llc Downlink broadcasting by sequential transmissions from a communication station having an antenna array
US6459740B1 (en) * 1998-09-17 2002-10-01 At&T Wireless Services, Inc. Maximum ratio transmission
US6298082B1 (en) * 1998-10-19 2001-10-02 Motorola, Inc. Method and system for combining orthogonal transmit diversity and adaptive array techniques in a wireless communications system
US6128330A (en) 1998-11-24 2000-10-03 Linex Technology, Inc. Efficient shadow reduction antenna system for spread spectrum
US6507602B1 (en) * 1999-01-07 2003-01-14 Ericsson, Inc. Smoothing receiver channel estimates using spectral estimation
DE69912734T2 (de) * 1999-03-12 2004-05-27 Motorola, Inc., Schaumburg Vorrichtung und Verfahren zur Erzeugung der Gewichtung einer Sendeantenne
JP3404382B2 (ja) * 1999-05-19 2003-05-06 ノキア ネットワークス オサケ ユキチュア 送信ダイバーシティ方法及びシステム
US6600914B2 (en) 1999-05-24 2003-07-29 Arraycomm, Inc. System and method for emergency call channel allocation
US6141567A (en) 1999-06-07 2000-10-31 Arraycomm, Inc. Apparatus and method for beamforming in a changing-interference environment
US7139592B2 (en) * 1999-06-21 2006-11-21 Arraycomm Llc Null deepening for an adaptive antenna based communication station
US6831943B1 (en) * 1999-08-13 2004-12-14 Texas Instruments Incorporated Code division multiple access wireless system with closed loop mode using ninety degree phase rotation and beamformer verification
US8064409B1 (en) 1999-08-25 2011-11-22 Qualcomm Incorporated Method and apparatus using a multi-carrier forward link in a wireless communication system
US7457381B1 (en) * 1999-09-09 2008-11-25 Texas Instruments Incorporated Spread spectrum multipath combination
US6115406A (en) 1999-09-10 2000-09-05 Interdigital Technology Corporation Transmission using an antenna array in a CDMA communication system
US6278726B1 (en) 1999-09-10 2001-08-21 Interdigital Technology Corporation Interference cancellation in a spread spectrum communication system
US6728307B1 (en) * 1999-09-13 2004-04-27 Nokia Mobile Phones Ltd Adaptive antenna transmit array with reduced CDMA pilot channel set
US6621804B1 (en) 1999-10-07 2003-09-16 Qualcomm Incorporated Method and apparatus for predicting favored supplemental channel transmission slots using transmission power measurements of a fundamental channel
US6985466B1 (en) * 1999-11-09 2006-01-10 Arraycomm, Inc. Downlink signal processing in CDMA systems utilizing arrays of antennae
US7164704B1 (en) * 1999-12-09 2007-01-16 Texas Instruments Incorporated Beam forming for transmit using bluetooth modified hopping sequences (BFTBMH)
US7403748B1 (en) 2000-04-07 2008-07-22 Nokia Coporation Multi-antenna transmission method and system
KR100615887B1 (ko) * 2000-04-07 2006-08-25 삼성전자주식회사 되먹임 기능을 갖는 무선 통신 시스템 및 그 방법
KR100493150B1 (ko) * 2000-04-10 2005-06-02 삼성전자주식회사 이동통신을 위한 폐루프 전송 다이버시티의 최적 가중치탐색장치 및 방법
US7289570B2 (en) * 2000-04-10 2007-10-30 Texas Instruments Incorporated Wireless communications
US6434366B1 (en) * 2000-05-31 2002-08-13 Motorola, Inc. Method and system for estimating adaptive array weights used to transmit a signal to a receiver in a wireless communication system
US7062294B1 (en) 2000-09-29 2006-06-13 Arraycomm, Llc. Downlink transmission in a wireless data communication system having a base station with a smart antenna system
US6795409B1 (en) 2000-09-29 2004-09-21 Arraycomm, Inc. Cooperative polling in a wireless data communication system having smart antenna processing
US6982968B1 (en) 2000-09-29 2006-01-03 Arraycomm, Inc. Non-directional transmitting from a wireless data base station having a smart antenna system
AU766372B2 (en) * 2000-10-11 2003-10-16 Samsung Electronics Co., Ltd. Apparatus and method for controlling transmit antenna array for physical downlink shared channel in a mobile communication system
US6973098B1 (en) * 2000-10-25 2005-12-06 Qualcomm, Incorporated Method and apparatus for determining a data rate in a high rate packet data wireless communications system
US7068683B1 (en) 2000-10-25 2006-06-27 Qualcomm, Incorporated Method and apparatus for high rate packet data and low delay data transmissions
US7447270B1 (en) 2000-11-17 2008-11-04 Nokia Corporation Method for controlling the data signal weighting in multi-element transceivers and corresponding devices and telecommunications network
EP1366579B1 (en) * 2000-12-06 2006-11-15 Nokia Corporation Method for controlling the weighting of a data signal in the at least two antenna elements of a radio connection unit, module and communications system
JP2002198875A (ja) * 2000-12-22 2002-07-12 Nippon Soken Inc Cdma方式の通信端末
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
US20020193146A1 (en) * 2001-06-06 2002-12-19 Mark Wallace Method and apparatus for antenna diversity in a wireless communication system
FR2828034B1 (fr) * 2001-07-25 2005-06-10 Nortel Networks Ltd Station radio a diversite d'emission en boucle fermee, et procede de controle d'emission d'une telle station
US6996375B2 (en) * 2001-07-26 2006-02-07 Ericsson Inc. Transmit diversity and separating multiple loopback signals
US7224942B2 (en) * 2001-07-26 2007-05-29 Telefonaktiebolaget Lm Ericsson (Publ) Communications system employing non-polluting pilot codes
US7197282B2 (en) * 2001-07-26 2007-03-27 Ericsson Inc. Mobile station loop-back signal processing
US6996380B2 (en) * 2001-07-26 2006-02-07 Ericsson Inc. Communication system employing transmit macro-diversity
US7209511B2 (en) * 2001-08-31 2007-04-24 Ericsson Inc. Interference cancellation in a CDMA receiving system
US7230975B2 (en) * 2001-08-07 2007-06-12 Qualcomm Incorporated Adaptive pilot filter for a wireless communication system
RU2232485C2 (ru) * 2001-11-27 2004-07-10 Корпорация "Самсунг Электроникс" Способ формирования диаграммы направленности антенны и устройство для его реализации
US6983172B2 (en) 2002-01-03 2006-01-03 Motorola, Inc. Method and apparatus for transmitting a traffic signal using an adaptive antenna array
CN100355219C (zh) * 2002-06-14 2007-12-12 华为技术有限公司 阵列收发系统中的参考信号发射接收方法及其应用
US7010055B2 (en) * 2002-06-27 2006-03-07 Motorola, Inc. System implementing closed loop transmit diversity and method thereof
US6754475B1 (en) 2002-06-28 2004-06-22 Motorola, Inc. Transmission performance measurement and use thereof
US7454209B2 (en) * 2002-09-05 2008-11-18 Qualcomm Incorporated Adapting operation of a communication filter based on mobile unit velocity
DE10251479A1 (de) * 2002-11-05 2004-05-19 Siemens Ag Verfahren zur Schätzung einer Kanalqualität
EP1445886B1 (en) 2003-01-31 2015-05-20 Ntt Docomo, Inc. Multiple-output multiple-input (MIMO) communication system, MIMO receiver and MIMO receiving method
JP4413540B2 (ja) * 2003-01-31 2010-02-10 株式会社エヌ・ティ・ティ・ドコモ 多入力多出力伝搬路信号伝送装置及び受信局
US20050009476A1 (en) * 2003-07-07 2005-01-13 Shiquan Wu Virtual MIMO transmitters, receivers, systems and methods
US7403790B2 (en) * 2003-09-04 2008-07-22 Lucent Technologies Inc. Methods for signaling broadcast and multicast information in communication networks
KR20050087371A (ko) * 2004-02-26 2005-08-31 삼성전자주식회사 다중 안테나를 사용하는 이동통신 시스템에서 코드 동기획득 장치 및 방법
ATE424063T1 (de) * 2005-02-07 2009-03-15 Ericsson Telefon Ab L M Transferraten-messungen
KR100975701B1 (ko) * 2006-01-26 2010-08-12 삼성전자주식회사 부호분할 다중접속 방식의 고속 패킷 데이터 시스템에서 다중 안테나를 이용하는 단말의 결합 방식에 따른 가중치의 동적 영역 제어 장치 및 방법
JPWO2008078470A1 (ja) * 2006-12-26 2010-04-15 日本電気株式会社 受信電界強度推定装置および受信電界強度推定プログラム
KR100965100B1 (ko) * 2008-01-15 2010-06-25 중앙대학교 산학협력단 적응적 빔포밍 장치 및 그 방법
US8811200B2 (en) 2009-09-22 2014-08-19 Qualcomm Incorporated Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
KR20130049978A (ko) * 2011-11-07 2013-05-15 한국전자통신연구원 채널 추정 장치 및 방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL100213A (en) * 1990-12-07 1995-03-30 Qualcomm Inc CDMA microcellular telephone system and distributed antenna system therefor
GB2268371B (en) * 1992-04-10 1995-09-20 Roke Manor Research Radio communication systems
US5812542A (en) * 1996-03-18 1998-09-22 Motorola, Inc. Method for determining weighting coefficients in a CDMA radio receiver
JP2785812B2 (ja) * 1995-07-19 1998-08-13 日本電気株式会社 Fdd/cdma送受信システム
DE69629633T2 (de) * 1995-07-19 2004-06-17 Nec Corp. Vielfaltnachrichtenübertragungssystem mit Kodemultiplexvielfachzugriff
US5809020A (en) * 1996-03-18 1998-09-15 Motorola, Inc. Method for adaptively adjusting weighting coefficients in a cDMA radio receiver
US5737327A (en) * 1996-03-29 1998-04-07 Motorola, Inc. Method and apparatus for demodulation and power control bit detection in a spread spectrum communication system
US5835847A (en) * 1996-04-02 1998-11-10 Qualcomm Incorporated Pilot signal strength control for a low earth orbiting satellite communications system
JP3720141B2 (ja) * 1996-10-01 2005-11-24 松下電器産業株式会社 移動体通信方法およびその装置
US5982327A (en) * 1998-01-12 1999-11-09 Motorola, Inc. Adaptive array method, device, base station and subscriber unit
JP3240984B2 (ja) * 1998-02-02 2001-12-25 日本電気株式会社 Fdd/cdma送受信システム及びcdma受信装置及びcdma送信装置
KR100275071B1 (ko) * 1998-06-23 2000-12-15 윤종용 이동통신기지국의스마트안테나시스템용송수신장치

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