DE3779748D1 - Netzwerk zur strahlformung. - Google Patents
Netzwerk zur strahlformung.Info
- Publication number
- DE3779748D1 DE3779748D1 DE8787905335T DE3779748T DE3779748D1 DE 3779748 D1 DE3779748 D1 DE 3779748D1 DE 8787905335 T DE8787905335 T DE 8787905335T DE 3779748 T DE3779748 T DE 3779748T DE 3779748 D1 DE3779748 D1 DE 3779748D1
- Authority
- DE
- Germany
- Prior art keywords
- forming network
- ray forming
- ray
- network
- 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.)
- Expired - Fee Related
Links
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
- H04B7/2041—Spot beam multiple access
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
-
- 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
- H01Q3/30—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 varying the relative phase between the radiating elements of an array
- H01Q3/34—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 varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/40—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 varying the relative phase between the radiating elements of an array by electrical means with phasing matrix
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/896,911 US4827268A (en) | 1986-08-14 | 1986-08-14 | Beam-forming network |
PCT/US1987/001715 WO1988001441A1 (en) | 1986-08-14 | 1987-07-23 | Beam-forming network |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3779748D1 true DE3779748D1 (de) | 1992-07-16 |
DE3779748T2 DE3779748T2 (de) | 1993-01-28 |
Family
ID=25407051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787905335T Expired - Fee Related DE3779748T2 (de) | 1986-08-14 | 1987-07-23 | Netzwerk zur strahlformung. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4827268A (de) |
EP (1) | EP0277984B1 (de) |
JP (1) | JP2728251B2 (de) |
CN (1) | CN1008675B (de) |
CA (1) | CA1282879C (de) |
DE (1) | DE3779748T2 (de) |
WO (1) | WO1988001441A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2628895B1 (fr) * | 1988-03-18 | 1990-11-16 | Alcatel Espace | Antenne a balayage electronique |
FR2628896B1 (fr) * | 1988-03-18 | 1990-11-16 | Alcatel Espace | Antenne a reconfiguration electronique en emission |
US5909460A (en) * | 1995-12-07 | 1999-06-01 | Ericsson, Inc. | Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array |
US6911938B1 (en) * | 1996-05-22 | 2005-06-28 | Manoj Bhattacharyya | Transmit-receive multibeam telecommunications system with reduced number of amplifiers |
US5917447A (en) * | 1996-05-29 | 1999-06-29 | Motorola, Inc. | Method and system for digital beam forming |
US6512481B1 (en) * | 1996-10-10 | 2003-01-28 | Teratech Corporation | Communication system using geographic position data |
US6560461B1 (en) | 1997-08-04 | 2003-05-06 | Mundi Fomukong | Authorized location reporting paging system |
US6229482B1 (en) * | 2000-04-17 | 2001-05-08 | Hughes Electronics Corporation | Method and apparatus for interference mitigation for phased-array beam pointing |
US7289826B1 (en) * | 2002-04-16 | 2007-10-30 | Faulkner Interstices, Llc | Method and apparatus for beam selection in a smart antenna system |
US7529525B1 (en) * | 2002-04-16 | 2009-05-05 | Faulkner Interstices Llc | Method and apparatus for collecting information for use in a smart antenna system |
US7065383B1 (en) * | 2002-04-16 | 2006-06-20 | Omri Hovers | Method and apparatus for synchronizing a smart antenna apparatus with a base station transceiver |
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 |
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 |
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 |
US9716315B2 (en) | 2013-03-15 | 2017-07-25 | Gigpeak, Inc. | Automatic high-resolution adaptive beam-steering |
US9666942B2 (en) | 2013-03-15 | 2017-05-30 | Gigpeak, Inc. | Adaptive transmit array for beam-steering |
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 |
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 |
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 |
US11467272B2 (en) * | 2014-10-30 | 2022-10-11 | Koninklijke Philips N.V. | Compressive sensing in forming ultrasound images |
JP6747108B2 (ja) * | 2016-07-05 | 2020-08-26 | コニカミノルタ株式会社 | 超音波信号処理装置、超音波信号処理方法、及び、超音波診断装置 |
US10804616B2 (en) * | 2018-03-27 | 2020-10-13 | Viasat, Inc. | Circuit architecture for distributed multiplexed control and element signals for phased array antenna |
CN113540710B (zh) * | 2020-04-22 | 2022-07-22 | 华为技术有限公司 | 铁氧体开关、微波天线及电子设备 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4145658A (en) * | 1977-06-03 | 1979-03-20 | Bell Telephone Laboratories, Incorporated | Method and apparatus for cancelling interference between area coverage and spot coverage antenna beams |
US4168503A (en) * | 1977-06-17 | 1979-09-18 | Motorola, Inc. | Antenna array with printed circuit lens in coupling network |
US4188578A (en) * | 1978-05-19 | 1980-02-12 | Bell Telephone Laboratories, Incorporated | Satellite communication system which concurrently transmits a scanning spot beam and a plurality of fixed spot beams |
US4321605A (en) * | 1980-01-29 | 1982-03-23 | Hazeltine Corporation | Array antenna system |
US4599619A (en) * | 1982-07-13 | 1986-07-08 | Rca Corporation | Satellite dual antenna pointing system |
US4581614A (en) * | 1983-07-18 | 1986-04-08 | General Electric Company | Integrated modular phased array antenna |
JPS6094510A (ja) * | 1983-10-28 | 1985-05-27 | Nec Corp | アレイアンテナ |
JPS60102001A (ja) * | 1983-11-09 | 1985-06-06 | Nec Corp | アレイアンテナ装置 |
US4638317A (en) * | 1984-06-19 | 1987-01-20 | Westinghouse Electric Corp. | Orthogonal beam forming network |
-
1986
- 1986-08-14 US US06/896,911 patent/US4827268A/en not_active Expired - Lifetime
-
1987
- 1987-07-23 EP EP87905335A patent/EP0277984B1/de not_active Expired - Lifetime
- 1987-07-23 JP JP62504800A patent/JP2728251B2/ja not_active Expired - Lifetime
- 1987-07-23 WO PCT/US1987/001715 patent/WO1988001441A1/en active IP Right Grant
- 1987-07-23 DE DE8787905335T patent/DE3779748T2/de not_active Expired - Fee Related
- 1987-07-28 CA CA000543177A patent/CA1282879C/en not_active Expired - Fee Related
- 1987-08-14 CN CN87105577A patent/CN1008675B/zh not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4827268A (en) | 1989-05-02 |
EP0277984A1 (de) | 1988-08-17 |
JPH01500554A (ja) | 1989-02-23 |
DE3779748T2 (de) | 1993-01-28 |
CN87105577A (zh) | 1988-04-27 |
JP2728251B2 (ja) | 1998-03-18 |
CA1282879C (en) | 1991-04-09 |
CN1008675B (zh) | 1990-07-04 |
EP0277984B1 (de) | 1992-06-10 |
WO1988001441A1 (en) | 1988-02-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |