JP3987727B2 - ビームフォーミング方法 - Google Patents

ビームフォーミング方法 Download PDF

Info

Publication number
JP3987727B2
JP3987727B2 JP2001586803A JP2001586803A JP3987727B2 JP 3987727 B2 JP3987727 B2 JP 3987727B2 JP 2001586803 A JP2001586803 A JP 2001586803A JP 2001586803 A JP2001586803 A JP 2001586803A JP 3987727 B2 JP3987727 B2 JP 3987727B2
Authority
JP
Japan
Prior art keywords
weight vector
base station
covariance matrix
indicator
eigenvector
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
JP2001586803A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004501552A (ja
JP2004501552A5 (enExample
Inventor
ハマーシュミット ヨアヒム
ブルナー クリストファー
ハールト マルティン
ゼーガー アレクサンダー
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of JP2004501552A publication Critical patent/JP2004501552A/ja
Publication of JP2004501552A5 publication Critical patent/JP2004501552A5/ja
Application granted granted Critical
Publication of JP3987727B2 publication Critical patent/JP3987727B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • H04B7/06—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
    • H04B7/0615—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
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • 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
    • H04B7/0617—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 for beam forming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2001586803A 2000-05-25 2001-05-17 ビームフォーミング方法 Expired - Lifetime JP3987727B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10026077A DE10026077B4 (de) 2000-05-25 2000-05-25 Strahlformungsverfahren
PCT/DE2001/001883 WO2001091323A1 (de) 2000-05-25 2001-05-17 Strahlformungsverfahren

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2005314928A Division JP2006067623A (ja) 2000-05-25 2005-10-28 ビームフォーミング方法

Publications (3)

Publication Number Publication Date
JP2004501552A JP2004501552A (ja) 2004-01-15
JP2004501552A5 JP2004501552A5 (enExample) 2005-01-27
JP3987727B2 true JP3987727B2 (ja) 2007-10-10

Family

ID=7643632

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2001586803A Expired - Lifetime JP3987727B2 (ja) 2000-05-25 2001-05-17 ビームフォーミング方法
JP2005314928A Withdrawn JP2006067623A (ja) 2000-05-25 2005-10-28 ビームフォーミング方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2005314928A Withdrawn JP2006067623A (ja) 2000-05-25 2005-10-28 ビームフォーミング方法

Country Status (6)

Country Link
US (1) US7096041B2 (enExample)
EP (1) EP1284052A1 (enExample)
JP (2) JP3987727B2 (enExample)
AU (1) AU2001265797A1 (enExample)
DE (1) DE10026077B4 (enExample)
WO (1) WO2001091323A1 (enExample)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10032426B4 (de) * 2000-07-04 2006-01-12 Siemens Ag Strahlformungsverfahren
DE10051133A1 (de) * 2000-10-16 2002-05-02 Siemens Ag Strahlformungsverfahren
DE10058060A1 (de) * 2000-11-23 2002-05-29 Siemens Ag Verfahren und Vorrichtung zur Feedback-Übertragung in einem Funk-Kommunikationssystem
DE10101556A1 (de) * 2001-01-15 2002-07-18 Siemens Ag Verfahren zur Feedback-Übertragung in einem Funk-Kommunikationssystem und Stationen für ein Funk-Kommunikationssystem
JP2003152607A (ja) * 2001-11-08 2003-05-23 Ntt Docomo Inc 通信方法、通信システム、送信機及び受信機
ES2192970B1 (es) * 2001-12-14 2005-09-01 Dyctel Infraestructuras De Telecomunicaciones, S.A. Antena inteligente compatible modular multiestandar para comunicaciones celulares en entornos multioperador.
KR100485516B1 (ko) * 2002-04-22 2005-04-27 주식회사 케이티프리텔 이동 통신망의 기지국 및 그 기지국에서 신호 수신 및처리 방법
US7206554B1 (en) 2002-06-28 2007-04-17 Arraycomm Llc Transmit diversity with formed beams in a wireless communications system using a common pilot channel
US7221699B1 (en) 2002-06-28 2007-05-22 Arraycomm Llc External correction of errors between traffic and training in a wireless communications system
US6999794B1 (en) 2002-06-28 2006-02-14 Arraycomm Llc Transmission of a common pilot channel from a beamforming transmit antenna array
US7342912B1 (en) 2002-06-28 2008-03-11 Arraycomm, Llc. Selection of user-specific transmission parameters for optimization of transmit performance in wireless communications using a common pilot channel
US7263082B1 (en) 2002-06-28 2007-08-28 Arraycomm, Llc Resolving user-specific narrow beam signals using a known sequence in a wireless communications system with a common pilot channel
US6865377B1 (en) 2002-06-28 2005-03-08 Arraycomm, Inc. Combined open and closed loop beam forming in a multiple array radio communication system
US7372911B1 (en) 2002-06-28 2008-05-13 Arraycomm, Llc Beam forming and transmit diversity in a multiple array radio communications system
EP1392005A1 (de) * 2002-08-13 2004-02-25 Siemens Aktiengesellschaft Verfahren zur Kanalschätzung und zugehöriges Funkkommunikationssystem
US20070230431A1 (en) * 2003-06-30 2007-10-04 Bas Driesen Methods and Apparatus for Backwards Compatible Communication in a Multiple Antenna Communication System Using Fmd-Based Preamble Structures
JP4608893B2 (ja) * 2003-10-20 2011-01-12 三菱電機株式会社 レーダ装置
WO2005062729A2 (en) * 2003-12-27 2005-07-14 Electronics And Telecommunications Research Institute A mimo-ofdm system using eigenbeamforming method
JP4292093B2 (ja) * 2004-02-24 2009-07-08 富士通株式会社 アレーアンテナシステム、ウエイト制御装置及びウエイト制御方法
US7706324B2 (en) * 2004-07-19 2010-04-27 Qualcomm Incorporated On-demand reverse-link pilot transmission
CN101044691A (zh) * 2004-08-10 2007-09-26 安特尼亚技术有限公司 插入式自适应天线系统和使用方法
US8116391B2 (en) 2006-05-26 2012-02-14 Wi-Lan Inc. Quantization of channel state information in multiple antenna systems
TWI326047B (en) * 2006-11-29 2010-06-11 Ind Tech Res Inst Method and apparatus for reading radio frequency identification tags
US7929918B2 (en) * 2007-08-13 2011-04-19 Samsung Electronics Co., Ltd. System and method for training the same type of directional antennas that adapts the training sequence length to the number of antennas
US8036282B2 (en) 2007-09-07 2011-10-11 Wi-Lan Inc. Multi-tiered quantization of channel state information in multiple antenna systems
US8009778B2 (en) 2007-09-07 2011-08-30 Tr Technologies Inc. Quantized channel state information prediction in multiple antenna systems
US8234546B2 (en) 2008-04-21 2012-07-31 Wi-Lan, Inc. Mitigation of transmission errors of quantized channel state information feedback in multi antenna systems
US8478204B2 (en) * 2008-07-14 2013-07-02 Samsung Electronics Co., Ltd. System and method for antenna training of beamforming vectors having reuse of directional information
US8571128B2 (en) * 2008-08-14 2013-10-29 Electronics And Telecommunications Research Institute Method to generate beamforming vector and provide the information for generating beamforming vector
FR2935493B1 (fr) * 2008-09-04 2010-09-10 Canon Kk Procede et dispositif de suivi d'antenne.
KR101588712B1 (ko) * 2010-11-16 2016-01-26 삼성전자주식회사 셀 내부 단말간 협력에 기반한 셀간 간섭 제어 방법 및 장치
JP4730677B1 (ja) * 2011-01-27 2011-07-20 日本電気株式会社 情報処理装置及び情報処理方法並びに情報処理プログラム
KR101772040B1 (ko) * 2013-01-02 2017-08-29 삼성전자주식회사 이동통신 시스템에서 빠른 빔 링크 형성을 위한 방법 및 장치
GB2513884B (en) * 2013-05-08 2015-06-17 Univ Bristol Method and apparatus for producing an acoustic field
US9612658B2 (en) 2014-01-07 2017-04-04 Ultrahaptics Ip Ltd Method and apparatus for providing tactile sensations
GB2530036A (en) 2014-09-09 2016-03-16 Ultrahaptics Ltd Method and apparatus for modulating haptic feedback
ES2896875T3 (es) 2015-02-20 2022-02-28 Ultrahaptics Ip Ltd Percepciones en un sistema háptico
SG11201706527QA (en) 2015-02-20 2017-09-28 Ultrahaptics Ip Ltd Algorithm improvements in a haptic system
US10818162B2 (en) 2015-07-16 2020-10-27 Ultrahaptics Ip Ltd Calibration techniques in haptic systems
US11189140B2 (en) 2016-01-05 2021-11-30 Ultrahaptics Ip Ltd Calibration and detection techniques in haptic systems
US10531212B2 (en) 2016-06-17 2020-01-07 Ultrahaptics Ip Ltd. Acoustic transducers in haptic systems
US10268275B2 (en) 2016-08-03 2019-04-23 Ultrahaptics Ip Ltd Three-dimensional perceptions in haptic systems
US10755538B2 (en) 2016-08-09 2020-08-25 Ultrahaptics ilP LTD Metamaterials and acoustic lenses in haptic systems
US10943578B2 (en) 2016-12-13 2021-03-09 Ultrahaptics Ip Ltd Driving techniques for phased-array systems
US10497358B2 (en) 2016-12-23 2019-12-03 Ultrahaptics Ip Ltd Transducer driver
US11258496B2 (en) * 2017-04-13 2022-02-22 Sony Corporation Communication devices and methods with hybrid beamforming
US10609714B2 (en) * 2017-07-12 2020-03-31 Qualcomm Incorporated Spatial listen before talk
US11531395B2 (en) 2017-11-26 2022-12-20 Ultrahaptics Ip Ltd Haptic effects from focused acoustic fields
EP3729418B1 (en) 2017-12-22 2024-11-20 Ultrahaptics Ip Ltd Minimizing unwanted responses in haptic systems
EP3729417B1 (en) 2017-12-22 2025-09-10 Ultrahaptics Ip Ltd Tracking in haptic systems
KR20250060311A (ko) 2018-05-02 2025-05-07 울트라햅틱스 아이피 엘티디 개선된 음향 전송 효율을 위한 차단 플레이트 구조체
DE102018208884A1 (de) 2018-06-06 2019-12-12 Bayerische Motoren Werke Ag Verfahren und Steuervorrichtung zum Betreiben einer Sendeanlage eines Funkschlüsselsystems eines Kraftfahrzeugs sowie Kraftfahrzeug mit einer solchen Sendeanlage
US11098951B2 (en) 2018-09-09 2021-08-24 Ultrahaptics Ip Ltd Ultrasonic-assisted liquid manipulation
US11378997B2 (en) 2018-10-12 2022-07-05 Ultrahaptics Ip Ltd Variable phase and frequency pulse-width modulation technique
WO2020141330A2 (en) 2019-01-04 2020-07-09 Ultrahaptics Ip Ltd Mid-air haptic textures
US12373033B2 (en) 2019-01-04 2025-07-29 Ultrahaptics Ip Ltd Mid-air haptic textures
US11842517B2 (en) 2019-04-12 2023-12-12 Ultrahaptics Ip Ltd Using iterative 3D-model fitting for domain adaptation of a hand-pose-estimation neural network
CN114631139A (zh) 2019-10-13 2022-06-14 超飞跃有限公司 利用虚拟麦克风进行动态封顶
US11374586B2 (en) 2019-10-13 2022-06-28 Ultraleap Limited Reducing harmonic distortion by dithering
WO2021090028A1 (en) 2019-11-08 2021-05-14 Ultraleap Limited Tracking techniques in haptics systems
US11715453B2 (en) 2019-12-25 2023-08-01 Ultraleap Limited Acoustic transducer structures
US11816267B2 (en) 2020-06-23 2023-11-14 Ultraleap Limited Features of airborne ultrasonic fields
WO2022058738A1 (en) 2020-09-17 2022-03-24 Ultraleap Limited Ultrahapticons
EP4084358B1 (en) * 2021-04-29 2025-05-14 Nxp B.V. Wireless receiver unit, spatial phase corrector circuit for amplitude modulation and method therefor

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4965732A (en) 1985-11-06 1990-10-23 The Board Of Trustees Of The Leland Stanford Junior University Methods and arrangements for signal reception and parameter estimation
US5634199A (en) 1993-04-14 1997-05-27 Stanford University Method of subspace beamforming using adaptive transmitting antennas with feedback
US5471647A (en) 1993-04-14 1995-11-28 The Leland Stanford Junior University Method for minimizing cross-talk in adaptive transmission antennas
US6697633B1 (en) * 1995-06-02 2004-02-24 Northrop Grummar Corporation Method permitting increased frequency re-use in a communication network, by recovery of transmitted information from multiple cochannel signals
JP3482810B2 (ja) * 1996-04-18 2004-01-06 崔 勝元 配列アンテナ及びその設計方法と、配列アンテナでの信号処理方法と、それを利用した信号送受信装置及び方法
GB2313261B (en) * 1996-05-17 2000-08-30 Motorola Ltd Devices for transmitter path weights and methods therefor
GB2313237B (en) 1996-05-17 2000-08-02 Motorola Ltd Method and apparatus for transmitter antenna array adjustment
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
US5886988A (en) * 1996-10-23 1999-03-23 Arraycomm, Inc. Channel assignment and call admission control for spatial division multiple access communication systems
CN1201167C (zh) * 1997-03-25 2005-05-11 西门子公司 方向评估方法
EP0899896A1 (de) * 1997-08-27 1999-03-03 Siemens Aktiengesellschaft Verfahren und Einrichtung zur Schätzung räumlicher Parameter von Überstragungskanälen
US6154661A (en) * 1997-12-10 2000-11-28 Arraycomm, Inc. Transmitting on the downlink using one or more weight vectors determined to achieve a desired radiation pattern
DE19803188B4 (de) * 1998-01-28 2006-04-20 Siemens Ag Verfahren und Basisstation zur Datenübertragung in einem Funk-Kommunikationssystem
US6225948B1 (en) 1998-03-25 2001-05-01 Siemens Aktiengesellschaft Method for direction estimation

Also Published As

Publication number Publication date
WO2001091323A1 (de) 2001-11-29
JP2004501552A (ja) 2004-01-15
DE10026077A1 (de) 2001-12-06
AU2001265797A1 (en) 2001-12-03
US7096041B2 (en) 2006-08-22
DE10026077B4 (de) 2007-03-22
EP1284052A1 (de) 2003-02-19
US20030144032A1 (en) 2003-07-31
JP2006067623A (ja) 2006-03-09

Similar Documents

Publication Publication Date Title
JP3987727B2 (ja) ビームフォーミング方法
JP4027224B2 (ja) ビームフォーミング方法
CN100420166C (zh) 具有子阵列选择的阵列接收机、其使用方法及包含其的接收机系统
EP1273108B1 (en) Multi-antenna transmission method and system
JP4404551B2 (ja) 無線通信システム
KR100909973B1 (ko) 무선 통신 시스템
Murch et al. Antenna systems for broadband wireless access
KR100575993B1 (ko) 다중 송수신 안테나를 사용하는 이동통신 시스템에서 다중사용자를 위한 스케쥴링 방법 및 장치
CN1823487B (zh) 控制通信资源的方法和控制器
JP4369128B2 (ja) 無線通信システム
JP2010527186A (ja) 複数入力通信システムにおいて送信されるデータを事前処理するための方法及び装置
KR20020008301A (ko) 이동 통신 시스템에서의 전송 안테나 다이버시티 방법 및이를 위한 기지국 장치 및 이동국 장치
US7149547B2 (en) Diversity transmission
KR100946290B1 (ko) 수신 신호의 특성에 기초한 무선 통신 시스템에서의 가변다이버시티 전송 장치 및 방법
JP2008035497A (ja) チャネル状態情報を報告するための方法及びデバイス、転送を制御するためのシステム、コンピュータプログラム、並びに信号
US7039368B2 (en) Method for controlling the formation of a downlink beam
KR20040108803A (ko) 결정적 섭동 기울기 근사를 이용하여 안테나 가중치선택을 용이하게 하기 위한 장치 및 관련 방법
Asakura et al. Cooperative signal reception and down-link beam forming in cellular mobile communications
KR100905549B1 (ko) 다중 입력 다중 출력 무선 통신 시스템의 상향링크에서의송신 안테나 선택 방법 및 장치
US20030108028A1 (en) Method and device for evaluation of a radio signal
Hara et al. Performance analysis of RAKE receiver in W‐CDMA downlink
Knudsen et al. Antenna System, in particular for use in a mobile phone handset, and corresponding control method

Legal Events

Date Code Title Description
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20050412

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050428

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20050725

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20050801

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051028

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060908

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20061129

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20070614

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070713

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100720

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100720

Year of fee payment: 3

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100720

Year of fee payment: 3

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100720

Year of fee payment: 3

R370 Written measure of declining of transfer procedure

Free format text: JAPANESE INTERMEDIATE CODE: R370

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100720

Year of fee payment: 3

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100720

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350