SE9701993D0 - Förfarande och system för digital lobformning - Google Patents
Förfarande och system för digital lobformningInfo
- Publication number
- SE9701993D0 SE9701993D0 SE9701993A SE9701993A SE9701993D0 SE 9701993 D0 SE9701993 D0 SE 9701993D0 SE 9701993 A SE9701993 A SE 9701993A SE 9701993 A SE9701993 A SE 9701993A SE 9701993 D0 SE9701993 D0 SE 9701993D0
- Authority
- SE
- Sweden
- Prior art keywords
- forming method
- array
- beam forming
- lobe forming
- digital beam
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/654,946 US5917447A (en) | 1996-05-29 | 1996-05-29 | Method and system for digital beam forming |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9701993D0 true SE9701993D0 (sv) | 1997-05-28 |
SE9701993L SE9701993L (sv) | 1997-11-30 |
SE520818C2 SE520818C2 (sv) | 2003-09-02 |
Family
ID=24626868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9701993A SE520818C2 (sv) | 1996-05-29 | 1997-05-28 | Förfarande och system för digital lobformning |
Country Status (7)
Country | Link |
---|---|
US (1) | US5917447A (sv) |
JP (1) | JP3856528B2 (sv) |
CA (1) | CA2206194C (sv) |
DE (1) | DE19722472C2 (sv) |
FR (1) | FR2749459B1 (sv) |
GB (1) | GB2313711B (sv) |
SE (1) | SE520818C2 (sv) |
Families Citing this family (46)
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US6198925B1 (en) * | 1996-08-30 | 2001-03-06 | Cellco Partnership | Method and apparatus for intelligent microcell and antenna selection in digital cellular telephone systems |
JP3432697B2 (ja) | 1997-04-02 | 2003-08-04 | 松下電器産業株式会社 | 適応受信ダイバーシチ装置及び適応送信ダイバーシチ装置 |
KR100468820B1 (ko) * | 1997-08-04 | 2005-03-16 | 삼성전자주식회사 | 가중치기억장치를이용한적응위상배열안테나 |
US6052085A (en) * | 1998-06-05 | 2000-04-18 | Motorola, Inc. | Method and system for beamforming at baseband in a communication system |
US6337980B1 (en) | 1999-03-18 | 2002-01-08 | Hughes Electronics Corporation | Multiple satellite mobile communications method and apparatus for hand-held terminals |
US7215954B1 (en) | 1999-03-18 | 2007-05-08 | The Directv Group, Inc. | Resource allocation method for multi-platform communication system |
US6920309B1 (en) | 1999-03-18 | 2005-07-19 | The Directv Group, Inc. | User positioning technique for multi-platform communication system |
FR2792116B1 (fr) * | 1999-04-07 | 2003-06-27 | Agence Spatiale Europeenne | Formation numerique de faisceaux |
US6693590B1 (en) * | 1999-05-10 | 2004-02-17 | Raytheon Company | Method and apparatus for a digital phased array antenna |
JP4169884B2 (ja) * | 1999-09-24 | 2008-10-22 | 富士通株式会社 | 適応アンテナを用いた通信装置 |
DE19950577C2 (de) * | 1999-10-20 | 2002-08-22 | Siemens Ag | Komplexwertiges CORDIC-Verfahren für Signalverarbeitungsaufgaben sowie Funkkommunikationssystem zur Durchführung des Verfahrens |
US7339520B2 (en) * | 2000-02-04 | 2008-03-04 | The Directv Group, Inc. | Phased array terminal for equatorial satellite constellations |
US7027769B1 (en) | 2000-03-31 | 2006-04-11 | The Directv Group, Inc. | GEO stationary communications system with minimal delay |
US6380908B1 (en) | 2000-05-05 | 2002-04-30 | Raytheon Company | Phased array antenna data re-alignment |
US6388615B1 (en) * | 2000-06-06 | 2002-05-14 | Hughes Electronics Corporation | Micro cell architecture for mobile user tracking communication system |
US6756937B1 (en) | 2000-06-06 | 2004-06-29 | The Directv Group, Inc. | Stratospheric platforms based mobile communications architecture |
DE10028077A1 (de) * | 2000-06-07 | 2001-12-13 | Siemens Ag | Antennensystem mit mindestens zwei Antennen für mindestens ein Schreib-Lese-Gerät(SLG) und mindestens einen mobilen Datenspeicher (MDS) zur gegenseitigen Datenübertragung in einem Identifikationssystem sowie Verfahren zum Betrieb eines derartigen Antennensystems |
US6829479B1 (en) * | 2000-07-14 | 2004-12-07 | The Directv Group. Inc. | Fixed wireless back haul for mobile communications using stratospheric platforms |
US6895217B1 (en) | 2000-08-21 | 2005-05-17 | The Directv Group, Inc. | Stratospheric-based communication system for mobile users having adaptive interference rejection |
US7257418B1 (en) | 2000-08-31 | 2007-08-14 | The Directv Group, Inc. | Rapid user acquisition by a ground-based beamformer |
US6380893B1 (en) | 2000-09-05 | 2002-04-30 | Hughes Electronics Corporation | Ground-based, wavefront-projection beamformer for a stratospheric communications platform |
US7720472B1 (en) | 2000-09-14 | 2010-05-18 | The Directv Group, Inc. | Stratospheric-based communication system having interference cancellation |
US7317916B1 (en) | 2000-09-14 | 2008-01-08 | The Directv Group, Inc. | Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection |
US7369847B1 (en) | 2000-09-14 | 2008-05-06 | The Directv Group, Inc. | Fixed cell communication system with reduced interference |
US6388634B1 (en) | 2000-10-31 | 2002-05-14 | Hughes Electronics Corporation | Multi-beam antenna communication system and method |
US6952580B2 (en) | 2000-12-12 | 2005-10-04 | The Directv Group, Inc. | Multiple link internet protocol mobile communications system and method therefor |
US6891813B2 (en) * | 2000-12-12 | 2005-05-10 | The Directv Group, Inc. | Dynamic cell CDMA code assignment system and method |
US7181162B2 (en) | 2000-12-12 | 2007-02-20 | The Directv Group, Inc. | Communication system using multiple link terminals |
US7400857B2 (en) * | 2000-12-12 | 2008-07-15 | The Directv Group, Inc. | Communication system using multiple link terminals |
US7103317B2 (en) | 2000-12-12 | 2006-09-05 | The Directv Group, Inc. | Communication system using multiple link terminals for aircraft |
US20020073437A1 (en) * | 2000-12-12 | 2002-06-13 | Hughes Electronics Corporation | Television distribution system using multiple links |
US8396513B2 (en) * | 2001-01-19 | 2013-03-12 | The Directv Group, Inc. | Communication system for mobile users using adaptive antenna |
US7187949B2 (en) | 2001-01-19 | 2007-03-06 | The Directv Group, Inc. | Multiple basestation communication system having adaptive antennas |
US7809403B2 (en) | 2001-01-19 | 2010-10-05 | The Directv Group, Inc. | Stratospheric platforms communication system using adaptive antennas |
US6559797B1 (en) | 2001-02-05 | 2003-05-06 | Hughes Electronics Corporation | Overlapping subarray patch antenna system |
US7068733B2 (en) * | 2001-02-05 | 2006-06-27 | The Directv Group, Inc. | Sampling technique for digital beam former |
SE518470C2 (sv) | 2001-02-12 | 2002-10-15 | Ericsson Telefon Ab L M | Styranordning för ett delsystem i en basstation för mobiltelefoni |
NO314109B1 (no) * | 2001-04-20 | 2003-01-27 | Radionor Comm As | Apparat for kapasitetsökning mellom sendere og mottakere i kortholds trådlöse kommunikasjonsnettverk, spesielt i ISM frekvensbånd |
US7079588B1 (en) | 2001-12-21 | 2006-07-18 | Raytheon Company | Method and apparatus for processing signals in an array antenna 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 |
US7088288B1 (en) * | 2003-01-10 | 2006-08-08 | Xilinx, Inc. | Method and circuit for controlling an antenna system |
DE10359623A1 (de) * | 2003-12-18 | 2005-07-21 | Kathrein-Werke Kg | Mobilfunk-Antennenanordnung für eine Basisstation |
CN102668240B (zh) | 2009-10-29 | 2015-08-26 | 索尼公司 | 用于高频成像系统的接收装置 |
KR102120796B1 (ko) * | 2014-05-13 | 2020-06-09 | 삼성전자주식회사 | 빔 포밍 장치, 빔 포밍 방법, 초음파 영상 장치 및 초음파 프로브 |
WO2017146706A1 (en) | 2016-02-25 | 2017-08-31 | Hewlett Packard Enterprise Development Lp | Performing complex multiply-accumulate operations |
IL257059B (en) | 2018-01-21 | 2019-03-31 | Satixfy Uk Ltd | Multi-beamforming system and method |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4163235A (en) * | 1977-08-29 | 1979-07-31 | Grumman Aerospace Corporation | Satellite system |
US4216475A (en) * | 1978-06-22 | 1980-08-05 | The United States Of America As Represented By The Secretary Of The Army | Digital beam former |
US4212084A (en) * | 1978-11-20 | 1980-07-08 | The United States Of America As Represented By The Secretary Of The Navy | Beam-former for FFT-based signal processor |
US4316192A (en) * | 1979-11-01 | 1982-02-16 | The Bendix Corporation | Beam forming network for butler matrix fed circular array |
GB2072986B (en) * | 1980-03-26 | 1984-06-13 | Standard Telephones Cables Ltd | Phased array signal processing |
EP0113985A3 (en) * | 1982-12-16 | 1986-04-23 | The Marconi Company Limited | Receiving or transmitting multiple beam array |
DE3506749A1 (de) * | 1984-02-27 | 1985-09-26 | Nippon Telegraph & Telephone Public Corp., Tokio/Tokyo | Matrixprozessor und steuerverfahren hierfuer |
US4626825A (en) * | 1985-07-02 | 1986-12-02 | Vlsi Technology, Inc. | Logarithmic conversion apparatus |
US4752969A (en) * | 1986-01-16 | 1988-06-21 | Kenneth Rilling | Anti-multipath signal processor |
US4827268A (en) * | 1986-08-14 | 1989-05-02 | Hughes Aircraft Company | Beam-forming network |
US4882588A (en) * | 1986-12-22 | 1989-11-21 | Hughes Aircraft Company | Steerable beam antenna system using butler matrix |
US4883244A (en) * | 1987-12-23 | 1989-11-28 | Hughes Aircraft Company | Satellite attitude determination and control system with agile beam sensing |
US5134417A (en) * | 1990-07-23 | 1992-07-28 | Hughes Aircraft Company | Plural frequency matrix multiplexer |
US5369663A (en) * | 1991-03-05 | 1994-11-29 | The United States Of America As Represented By The Secretary Of The Navy | Spatial combiner for a digital VLF/LF receiver |
JP2684888B2 (ja) * | 1991-08-06 | 1997-12-03 | 国際電信電話株式会社 | アダプティブアレイアンテナ制御方式 |
GB2265053B (en) * | 1992-03-11 | 1995-11-01 | Roke Manor Research | Digital signal receiver and communications systems |
JP3178744B2 (ja) * | 1992-09-08 | 2001-06-25 | 宇宙開発事業団 | 衛星搭載用アレーアンテナ |
US5274384A (en) * | 1992-12-28 | 1993-12-28 | General Electric Company | Antenna beamformer |
US5333001A (en) * | 1993-05-18 | 1994-07-26 | Martin Marietta Corporation | Multifrequency antenna array |
US5434578A (en) * | 1993-10-22 | 1995-07-18 | Westinghouse Electric Corp. | Apparatus and method for automatic antenna beam positioning |
US5671168A (en) * | 1995-07-06 | 1997-09-23 | Technion Research & Development Foundation Ltd. | Digital frequency-domain implementation of arrays |
-
1996
- 1996-05-29 US US08/654,946 patent/US5917447A/en not_active Expired - Lifetime
-
1997
- 1997-05-19 GB GB9709979A patent/GB2313711B/en not_active Expired - Fee Related
- 1997-05-26 JP JP15154697A patent/JP3856528B2/ja not_active Expired - Fee Related
- 1997-05-27 FR FR9706441A patent/FR2749459B1/fr not_active Expired - Fee Related
- 1997-05-27 CA CA002206194A patent/CA2206194C/en not_active Expired - Fee Related
- 1997-05-28 SE SE9701993A patent/SE520818C2/sv not_active IP Right Cessation
- 1997-05-28 DE DE19722472A patent/DE19722472C2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2206194C (en) | 1999-10-26 |
GB9709979D0 (en) | 1997-07-09 |
SE9701993L (sv) | 1997-11-30 |
DE19722472A1 (de) | 1997-12-11 |
GB2313711B (en) | 2000-10-11 |
US5917447A (en) | 1999-06-29 |
DE19722472C2 (de) | 1999-05-12 |
JPH1093324A (ja) | 1998-04-10 |
JP3856528B2 (ja) | 2006-12-13 |
FR2749459B1 (fr) | 2003-01-10 |
SE520818C2 (sv) | 2003-09-02 |
GB2313711A (en) | 1997-12-03 |
CA2206194A1 (en) | 1997-11-29 |
FR2749459A1 (fr) | 1997-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |