IL95815A - A digital beam was formed for an independent multiplier for transmission in the rays - Google Patents

A digital beam was formed for an independent multiplier for transmission in the rays

Info

Publication number
IL95815A
IL95815A IL9581590A IL9581590A IL95815A IL 95815 A IL95815 A IL 95815A IL 9581590 A IL9581590 A IL 9581590A IL 9581590 A IL9581590 A IL 9581590A IL 95815 A IL95815 A IL 95815A
Authority
IL
Israel
Prior art keywords
digital
signal
coefficients
frequency
analog
Prior art date
Application number
IL9581590A
Other languages
English (en)
Hebrew (he)
Original Assignee
Hughes Aircraft Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23677013&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL95815(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of IL95815A publication Critical patent/IL95815A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns

Landscapes

  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
IL9581590A 1989-10-17 1990-09-26 A digital beam was formed for an independent multiplier for transmission in the rays IL95815A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/422,934 US4965602A (en) 1989-10-17 1989-10-17 Digital beamforming for multiple independent transmit beams

Publications (1)

Publication Number Publication Date
IL95815A true IL95815A (en) 1995-03-15

Family

ID=23677013

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9581590A IL95815A (en) 1989-10-17 1990-09-26 A digital beam was formed for an independent multiplier for transmission in the rays

Country Status (4)

Country Link
US (1) US4965602A (de)
EP (1) EP0423552B1 (de)
DE (1) DE69023737T2 (de)
IL (1) IL95815A (de)

Families Citing this family (44)

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FR2651609B1 (fr) * 1989-09-01 1992-01-03 Thomson Csf Commande de pointage pour systeme d'antenne a balayage electronique et formation de faisceau par le calcul.
FR2690009B1 (fr) * 1992-04-14 1994-05-27 Thomson Csf Antenne lineaire a directivite constante et dispositif de formation de voies pour une telle antenne.
GB2267783B (en) * 1992-06-09 1996-08-28 British Aerospace Beam forming
US5675554A (en) * 1994-08-05 1997-10-07 Acuson Corporation Method and apparatus for transmit beamformer
JPH10507936A (ja) 1994-08-05 1998-08-04 アキュソン コーポレイション 送信ビーム生成器システムのための方法及び装置
US5909460A (en) * 1995-12-07 1999-06-01 Ericsson, Inc. Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array
US5754139A (en) * 1996-10-30 1998-05-19 Motorola, Inc. Method and intelligent digital beam forming system responsive to traffic demand
US5754138A (en) * 1996-10-30 1998-05-19 Motorola, Inc. Method and intelligent digital beam forming system for interference mitigation
US5856804A (en) * 1996-10-30 1999-01-05 Motorola, Inc. Method and intelligent digital beam forming system with improved signal quality communications
US6246369B1 (en) * 1999-09-14 2001-06-12 Navsys Corporation Miniature phased array antenna system
EP1234354A1 (de) * 1999-10-28 2002-08-28 QUALCOMM Incorporated Nichtstationäre sektorantenne
FR2821164B1 (fr) * 2001-02-16 2003-05-16 Thomson Csf Systeme a emission et reception reparties, notamment radar a emission synthetique et a formation de faisceau par le calcul
DE60212990D1 (de) * 2001-11-09 2006-08-17 Ems Technologies Inc Strahlformer für mehrstrahlige rundfunkantenne
US6778137B2 (en) * 2002-03-26 2004-08-17 Raytheon Company Efficient wideband waveform generation and signal processing design for an active multi-beam ESA digital radar system
US7103383B2 (en) * 2002-12-31 2006-09-05 Wirless Highways, Inc. Apparatus, system, method and computer program product for digital beamforming in the intermediate frequency domain
US7403156B2 (en) 2003-10-30 2008-07-22 Telecon Italia S.P.A. Method and system for performing digital beam forming at intermediate frequency on the radiation pattern of an array antenna
US8289199B2 (en) * 2005-03-24 2012-10-16 Agilent Technologies, Inc. System and method for pattern design in microwave programmable arrays
US10516219B2 (en) * 2009-04-13 2019-12-24 Viasat, Inc. Multi-beam active phased array architecture with independent polarization control
TWI517499B (zh) * 2009-04-13 2016-01-11 凡爾賽特公司 主動式巴特勒矩陣、主動式布拉斯矩陣子單元、主動式布拉斯矩陣以及波束形成網路設備
US8817672B2 (en) * 2009-04-13 2014-08-26 Viasat, Inc. Half-duplex phased array antenna system
US8693970B2 (en) 2009-04-13 2014-04-08 Viasat, Inc. Multi-beam active phased array architecture with independant polarization control
TWI536661B (zh) * 2009-04-13 2016-06-01 凡爾賽特公司 用於通訊之系統及用於傳遞rf信號之方法
US8111646B1 (en) 2009-07-30 2012-02-07 Chang Donald C D Communication system for dynamically combining power from a plurality of propagation channels in order to improve power levels of transmitted signals without affecting receiver and propagation segments
US10149298B2 (en) 2009-07-30 2018-12-04 Spatial Digital Systems, Inc. Dynamic power allocations for direct broadcasting satellite (DBS) channels via wavefront multiplexing
US9077427B2 (en) 2009-07-30 2015-07-07 Spatial Digital Systems, Inc. Coherent power combining via wavefront multiplexing on deep space spacecraft
RU2471271C2 (ru) * 2011-03-11 2012-12-27 Петр Николаевич Башлы Способ оптимизации широкополосных антенных решеток
US8699626B2 (en) 2011-11-29 2014-04-15 Viasat, Inc. General purpose hybrid
US8737531B2 (en) 2011-11-29 2014-05-27 Viasat, Inc. Vector generator using octant symmetry
US9275690B2 (en) 2012-05-30 2016-03-01 Tahoe Rf Semiconductor, Inc. Power management in an electronic system through reducing energy usage of a battery and/or controlling an output power of an amplifier thereof
RU2507646C1 (ru) * 2012-06-18 2014-02-20 Федеральное государственное унитарное предприятие "Ростовский-на-Дону научно-исследовательский институт радиосвязи" (ФГУП "РНИИРС") Способ формирования провалов в диаграммах направленности фазированных антенных решеток в направлениях источников помех
US9509351B2 (en) 2012-07-27 2016-11-29 Tahoe Rf Semiconductor, Inc. Simultaneous accommodation of a low power signal and an interfering signal in a radio frequency (RF) receiver
US9780449B2 (en) 2013-03-15 2017-10-03 Integrated Device Technology, Inc. Phase shift based improved reference input frequency signal injection into a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation to reduce a phase-steering requirement during beamforming
US9531070B2 (en) 2013-03-15 2016-12-27 Christopher T. Schiller Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through accommodating differential coupling between VCOs thereof
US9666942B2 (en) 2013-03-15 2017-05-30 Gigpeak, Inc. Adaptive transmit array for beam-steering
US9184498B2 (en) 2013-03-15 2015-11-10 Gigoptix, Inc. Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through fine control of a tunable frequency of a tank circuit of a VCO thereof
US9722310B2 (en) 2013-03-15 2017-08-01 Gigpeak, Inc. Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through frequency multiplication
US9716315B2 (en) 2013-03-15 2017-07-25 Gigpeak, Inc. Automatic high-resolution adaptive beam-steering
US9837714B2 (en) 2013-03-15 2017-12-05 Integrated Device Technology, Inc. Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through a circular configuration thereof
US9906288B2 (en) 2016-01-29 2018-02-27 The Trustees Of Columbia University In The City Of New York Circuits and methods for spatio-spectral interference mitigation
US10200081B2 (en) 2016-02-12 2019-02-05 The United States Of America, As Represented By The Secretary Of The Navy Systems and methods for signal detection and digital bandwidth reduction in digital phased arrays
US9831933B1 (en) 2016-08-10 2017-11-28 The United States Of America As Represented By Secretary Of The Navy Techniques and methods for frequency division multiplexed digital beamforming
US10374675B1 (en) * 2018-03-06 2019-08-06 Raytheon Company Direct digital synthesis based phase shift digital beam forming
WO2020205650A1 (en) 2019-03-30 2020-10-08 AeroCharge Inc. Methods and apparatus for wireless power transmission and reception
WO2023065005A1 (en) * 2021-10-22 2023-04-27 Huawei Technologies Canada Co., Ltd. Methods and systems to produce fully-connected optical beamforming

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277787A (en) * 1979-12-20 1981-07-07 General Electric Company Charge transfer device phased array beamsteering and multibeam beamformer
GB2130798B (en) * 1982-10-06 1986-02-12 Standard Telephones Cables Ltd Digital beam-forming radar
US4922257A (en) * 1987-01-27 1990-05-01 Mitsubishi Denki Kabushiki Kaisha Conformal array antenna

Also Published As

Publication number Publication date
DE69023737D1 (de) 1996-01-04
EP0423552A2 (de) 1991-04-24
EP0423552B1 (de) 1995-11-22
US4965602A (en) 1990-10-23
DE69023737T2 (de) 1996-04-18
EP0423552A3 (en) 1991-09-11

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