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AU2002218140A1 - Beam-shaping method - Google Patents

Beam-shaping method

Info

Publication number
AU2002218140A1
AU2002218140A1 AU2002218140A AU1814002A AU2002218140A1 AU 2002218140 A1 AU2002218140 A1 AU 2002218140A1 AU 2002218140 A AU2002218140 A AU 2002218140A AU 1814002 A AU1814002 A AU 1814002A AU 2002218140 A1 AU2002218140 A1 AU 2002218140A1
Authority
AU
Australia
Prior art keywords
shaping method
shaping
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
AU2002218140A
Inventor
Martin Haardt
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 AU2002218140A1 publication Critical patent/AU2002218140A1/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
    • H04B7/0617—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
AU2002218140A 2000-10-16 2001-10-12 Beam-shaping method Abandoned AU2002218140A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10051133 2000-10-16
DE10051133A DE10051133A1 (en) 2000-10-16 2000-10-16 Beamforming method
PCT/DE2001/003923 WO2002033850A1 (en) 2000-10-16 2001-10-12 Beam-shaping method

Publications (1)

Publication Number Publication Date
AU2002218140A1 true AU2002218140A1 (en) 2002-04-29

Family

ID=7659899

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002218140A Abandoned AU2002218140A1 (en) 2000-10-16 2001-10-12 Beam-shaping method

Country Status (6)

Country Link
US (1) US7158793B2 (en)
EP (1) EP1327314B1 (en)
CN (1) CN1197269C (en)
AU (1) AU2002218140A1 (en)
DE (2) DE10051133A1 (en)
WO (1) WO2002033850A1 (en)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6850741B2 (en) * 2002-04-04 2005-02-01 Agency For Science, Technology And Research Method for selecting switched orthogonal beams for downlink diversity transmission
KR100640470B1 (en) 2002-06-29 2006-10-30 삼성전자주식회사 Apparatus and method for transmitting data using transmit antenna diversity scheme in packet service communication system
KR100571862B1 (en) * 2003-02-17 2006-04-17 삼성전자주식회사 Mobile communication system including multiple antennas and method thereof
JP4425925B2 (en) 2003-12-27 2010-03-03 韓國電子通信研究院 MIMO-OFDM system using eigenbeamforming technique
US20050243748A1 (en) * 2004-04-30 2005-11-03 Peter Bosch Band switching for coherent beam forming in full-duplex wireless communication
US8654715B2 (en) * 2008-10-24 2014-02-18 Qualcomm Incorporated Systems and methods providing mobile transmit diversity
US8654705B2 (en) * 2008-10-24 2014-02-18 Qualcomm Incorporated System and method for supporting multiple reverse link data streams
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
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
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
WO2021074604A1 (en) 2019-10-13 2021-04-22 Ultraleap Limited Dynamic capping with virtual microphones
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
CN113242074B (en) * 2021-03-31 2022-06-03 电子科技大学 Two-step method 2bit feedback iteration cooperative beam forming phase synchronization method
US12517585B2 (en) 2021-07-15 2026-01-06 Ultraleap Limited Control point manipulation techniques in haptic systems

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5634199A (en) * 1993-04-14 1997-05-27 Stanford University Method of subspace beamforming using adaptive transmitting antennas with feedback
US5901075A (en) * 1995-12-22 1999-05-04 Lucent Technologies Inc. Performance of an adaptive weight FIR filter having a timeshared tap weight processor
JP3482810B2 (en) * 1996-04-18 2004-01-06 崔 勝元 Array antenna and its design method, signal processing method with array antenna, and signal transmitting / receiving apparatus and method using the same
CA2302289C (en) * 1996-08-29 2005-11-08 Gregory G. Raleigh Spatio-temporal processing for communication
US5886988A (en) * 1996-10-23 1999-03-23 Arraycomm, Inc. Channel assignment and call admission control for spatial division multiple access communication systems
EP0970388B1 (en) * 1997-03-25 2001-11-21 Siemens Aktiengesellschaft Method for evaluating direction
EP0899896A1 (en) * 1997-08-27 1999-03-03 Siemens Aktiengesellschaft Method and system to estimate spatial parameters of transmission channels
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 (en) * 1998-01-28 2006-04-20 Siemens Ag Method and base station for data transmission in a radio communication system
DE10026077B4 (en) * 2000-05-25 2007-03-22 Siemens Ag Beamforming method
DE10032426B4 (en) * 2000-07-04 2006-01-12 Siemens Ag Beamforming method

Also Published As

Publication number Publication date
US20040014434A1 (en) 2004-01-22
DE50115520D1 (en) 2010-07-29
EP1327314B1 (en) 2010-06-16
US7158793B2 (en) 2007-01-02
WO2002033850A1 (en) 2002-04-25
EP1327314A1 (en) 2003-07-16
DE10051133A1 (en) 2002-05-02
CN1197269C (en) 2005-04-13
CN1436408A (en) 2003-08-13

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