AU2001265797A1 - Beam forming method - Google Patents

Beam forming method

Info

Publication number
AU2001265797A1
AU2001265797A1 AU2001265797A AU6579701A AU2001265797A1 AU 2001265797 A1 AU2001265797 A1 AU 2001265797A1 AU 2001265797 A AU2001265797 A AU 2001265797A AU 6579701 A AU6579701 A AU 6579701A AU 2001265797 A1 AU2001265797 A1 AU 2001265797A1
Authority
AU
Australia
Prior art keywords
forming method
beam forming
forming
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.)
Abandoned
Application number
AU2001265797A
Other languages
English (en)
Inventor
Christopher Brunner
Martin Haardt
Joachim Hammerschmidt
Alexander Seeger
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
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Publication of AU2001265797A1 publication Critical patent/AU2001265797A1/en
Abandoned legal-status Critical Current

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
    • H04B7/06—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)
AU2001265797A 2000-05-25 2001-05-17 Beam forming method Abandoned AU2001265797A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10026077A DE10026077B4 (de) 2000-05-25 2000-05-25 Strahlformungsverfahren
DE10026077 2000-05-25
PCT/DE2001/001883 WO2001091323A1 (de) 2000-05-25 2001-05-17 Strahlformungsverfahren

Publications (1)

Publication Number Publication Date
AU2001265797A1 true AU2001265797A1 (en) 2001-12-03

Family

ID=7643632

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001265797A Abandoned AU2001265797A1 (en) 2000-05-25 2001-05-17 Beam forming method

Country Status (6)

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

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US6999794B1 (en) 2002-06-28 2006-02-14 Arraycomm Llc Transmission of a common pilot channel from a beamforming transmit antenna array
US7372911B1 (en) 2002-06-28 2008-05-13 Arraycomm, Llc Beam forming and transmit diversity in a multiple array radio communications system
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
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
US6865377B1 (en) 2002-06-28 2005-03-08 Arraycomm, Inc. Combined open and closed loop beam forming in a multiple array radio communication system
US7221699B1 (en) 2002-06-28 2007-05-22 Arraycomm Llc External correction of errors between traffic and training in a wireless communications system
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
EP1392005A1 (de) * 2002-08-13 2004-02-25 Siemens Aktiengesellschaft Verfahren zur Kanalschätzung und zugehöriges Funkkommunikationssystem
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US7872963B2 (en) 2003-12-27 2011-01-18 Electronics And Telecommunications Research Institute MIMO-OFDM system using eigenbeamforming method
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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
CN102232272A (zh) * 2008-08-14 2011-11-02 韩国电子通信研究院 生成波束形成向量并且提供用于生成波束形成向量的信息的方法
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
SG11201706527QA (en) 2015-02-20 2017-09-28 Ultrahaptics Ip Ltd Algorithm improvements in a haptic system
MX2017010254A (es) 2015-02-20 2018-03-07 Ultrahaptics Ip Ltd Percepciones en un sistema haptico.
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
EP3610581B1 (en) * 2017-04-13 2025-12-10 Sony Group 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
WO2019122916A1 (en) 2017-12-22 2019-06-27 Ultrahaptics Limited Minimizing unwanted responses in haptic systems
WO2019122912A1 (en) 2017-12-22 2019-06-27 Ultrahaptics Limited Tracking in haptic systems
JP7354146B2 (ja) 2018-05-02 2023-10-02 ウルトラハプティクス アイピー リミテッド 改善された音響伝達効率のための遮断板構造体
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
US12373033B2 (en) 2019-01-04 2025-07-29 Ultrahaptics Ip Ltd Mid-air haptic textures
WO2020141330A2 (en) 2019-01-04 2020-07-09 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
US11374586B2 (en) 2019-10-13 2022-06-28 Ultraleap Limited Reducing harmonic distortion by dithering
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
US11169610B2 (en) 2019-11-08 2021-11-09 Ultraleap Limited Tracking techniques in haptic 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
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Also Published As

Publication number Publication date
WO2001091323A1 (de) 2001-11-29
DE10026077B4 (de) 2007-03-22
JP2004501552A (ja) 2004-01-15
US20030144032A1 (en) 2003-07-31
JP3987727B2 (ja) 2007-10-10
US7096041B2 (en) 2006-08-22
DE10026077A1 (de) 2001-12-06
EP1284052A1 (de) 2003-02-19
JP2006067623A (ja) 2006-03-09

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