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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
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 (en) 2000-05-25 2000-05-25 Beamforming method
DE10026077 2000-05-25
PCT/DE2001/001883 WO2001091323A1 (en) 2000-05-25 2001-05-17 Beam forming method

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 (en)
EP (1) EP1284052A1 (en)
JP (2) JP3987727B2 (en)
AU (1) AU2001265797A1 (en)
DE (1) DE10026077B4 (en)
WO (1) WO2001091323A1 (en)

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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
US6999794B1 (en) 2002-06-28 2006-02-14 Arraycomm Llc Transmission of a common pilot channel from a beamforming transmit antenna array
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
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US7978134B2 (en) * 2007-08-13 2011-07-12 Samsung Electronics Co., Ltd. System and method for efficient transmit and receive beamforming protocol with heterogeneous antenna configuration
US8009778B2 (en) * 2007-09-07 2011-08-30 Tr Technologies Inc. Quantized channel state information prediction in multiple antenna systems
US8036282B2 (en) 2007-09-07 2011-10-11 Wi-Lan Inc. Multi-tiered quantization of channel state information 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
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KR101588712B1 (en) * 2010-11-16 2016-01-26 삼성전자주식회사 Method and apparatus of controlling inter cell interference based on cooperation of intra cell terminals
JP4730677B1 (en) * 2011-01-27 2011-07-20 日本電気株式会社 Information processing apparatus, information processing method, and information processing program
KR101772040B1 (en) * 2013-01-02 2017-08-29 삼성전자주식회사 Method and apparatus for fast beam-link construction scheme in the mobile communication system
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
EP3259653B1 (en) 2015-02-20 2019-04-24 Ultrahaptics Ip Ltd Method for producing an acoustic field in a haptic system
WO2016132141A1 (en) 2015-02-20 2016-08-25 Ultrahaptics Ip Limited 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
EP3729417B1 (en) 2017-12-22 2025-09-10 Ultrahaptics Ip Ltd Tracking in haptic systems
US11704983B2 (en) 2017-12-22 2023-07-18 Ultrahaptics Ip Ltd Minimizing unwanted responses in haptic systems
IL321087A (en) 2018-05-02 2025-07-01 Ultrahaptics Ip Ltd Blocking element for acoustic transmission with improved efficiency
DE102018208884A1 (en) 2018-06-06 2019-12-12 Bayerische Motoren Werke Ag Method and control device for operating a transmission system of a radio key system of a motor vehicle and motor vehicle with such a transmission system
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
EP3906462B1 (en) 2019-01-04 2025-06-18 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
US11374586B2 (en) 2019-10-13 2022-06-28 Ultraleap Limited Reducing harmonic distortion by dithering
WO2021074604A1 (en) 2019-10-13 2021-04-22 Ultraleap Limited Dynamic capping with virtual microphones
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
US12517585B2 (en) 2021-07-15 2026-01-06 Ultraleap Limited Control point manipulation techniques in haptic systems

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Also Published As

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

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