WO1997021284A1 - Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array - Google Patents
Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array Download PDFInfo
- Publication number
- WO1997021284A1 WO1997021284A1 PCT/US1996/017739 US9617739W WO9721284A1 WO 1997021284 A1 WO1997021284 A1 WO 1997021284A1 US 9617739 W US9617739 W US 9617739W WO 9721284 A1 WO9721284 A1 WO 9721284A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- digital
- bit
- beamformer
- real
- imaginary
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
-
- 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
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU11572/97A AU720057B2 (en) | 1995-12-07 | 1996-11-12 | Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array |
BR9611699A BR9611699A (en) | 1995-12-07 | 1996-11-12 | Digital beam-forming network and improved device to multiply a vector of multi-bit values by a matrix of multi-bit coefficients |
DE69619268T DE69619268T2 (en) | 1995-12-07 | 1996-11-12 | EFFICIENT APPARATUS FOR SIMULTANEOUS MODULATION AND DIGITAL RADIATION FOR A GROUP ANTENNA |
EP96942727A EP0865692B1 (en) | 1995-12-07 | 1996-11-12 | Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array |
JP52126397A JP3879935B2 (en) | 1995-12-07 | 1996-11-12 | An efficient device for simultaneous modulation and digital beamforming for antenna arrays. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/568,664 | 1995-12-07 | ||
US08/568,664 US5909460A (en) | 1995-12-07 | 1995-12-07 | Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997021284A1 true WO1997021284A1 (en) | 1997-06-12 |
Family
ID=24272214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1996/017739 WO1997021284A1 (en) | 1995-12-07 | 1996-11-12 | Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array |
Country Status (10)
Country | Link |
---|---|
US (3) | US5909460A (en) |
EP (1) | EP0865692B1 (en) |
JP (1) | JP3879935B2 (en) |
KR (1) | KR100433966B1 (en) |
CN (1) | CN1124706C (en) |
AU (1) | AU720057B2 (en) |
BR (1) | BR9611699A (en) |
CA (1) | CA2239513A1 (en) |
DE (1) | DE69619268T2 (en) |
WO (1) | WO1997021284A1 (en) |
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- 1996-11-12 BR BR9611699A patent/BR9611699A/en active Search and Examination
- 1996-11-12 AU AU11572/97A patent/AU720057B2/en not_active Ceased
- 1996-11-12 JP JP52126397A patent/JP3879935B2/en not_active Expired - Fee Related
- 1996-11-12 CA CA002239513A patent/CA2239513A1/en not_active Abandoned
- 1996-11-12 EP EP96942727A patent/EP0865692B1/en not_active Expired - Lifetime
- 1996-11-12 KR KR10-1998-0704286A patent/KR100433966B1/en not_active IP Right Cessation
- 1996-11-12 CN CN96199917A patent/CN1124706C/en not_active Expired - Fee Related
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WO1999055014A1 (en) * | 1998-04-22 | 1999-10-28 | Thomcast Ag | Broadcasting transmitter system |
US7164725B2 (en) | 2000-03-10 | 2007-01-16 | Motorola, Inc. | Method and apparatus for antenna array beamforming |
US8503328B2 (en) | 2004-09-01 | 2013-08-06 | Qualcomm Incorporated | Methods and apparatus for transmission of configuration information in a wireless communication network |
US8559895B2 (en) | 2005-03-29 | 2013-10-15 | Qualcomm Incorporated | Antenna array pattern distortion mitigation |
WO2009114047A1 (en) * | 2008-03-13 | 2009-09-17 | Cubic Corporation | Digital beamforming antenna/datalink |
US8203483B2 (en) | 2008-03-13 | 2012-06-19 | Cubic Corporation | Digital beamforming antenna and datalink array |
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 |
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 |
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 |
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 |
US9716315B2 (en) | 2013-03-15 | 2017-07-25 | Gigpeak, Inc. | Automatic high-resolution adaptive beam-steering |
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 |
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 |
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 |
US9088330B2 (en) | 2013-04-24 | 2015-07-21 | Cubic Corporation | Distributed local oscillator generation and synchronization |
RU2701460C1 (en) * | 2018-06-05 | 2019-09-26 | Геннадий Петрович Слукин | Method of generating receiving partial beams for parallel viewing of space |
Also Published As
Publication number | Publication date |
---|---|
CN1209234A (en) | 1999-02-24 |
EP0865692A1 (en) | 1998-09-23 |
US6404821B1 (en) | 2002-06-11 |
US5909460A (en) | 1999-06-01 |
AU1157297A (en) | 1997-06-27 |
BR9611699A (en) | 1999-02-17 |
JP2000501907A (en) | 2000-02-15 |
EP0865692B1 (en) | 2002-02-13 |
US6219375B1 (en) | 2001-04-17 |
CA2239513A1 (en) | 1997-06-12 |
KR100433966B1 (en) | 2004-08-25 |
KR19990071995A (en) | 1999-09-27 |
JP3879935B2 (en) | 2007-02-14 |
CN1124706C (en) | 2003-10-15 |
DE69619268T2 (en) | 2002-08-22 |
DE69619268D1 (en) | 2002-03-21 |
AU720057B2 (en) | 2000-05-25 |
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