NO322059B1 - Fremgangsmate og innretning for a danne antennestralemonster med brede nullpunkt - Google Patents
Fremgangsmate og innretning for a danne antennestralemonster med brede nullpunkt Download PDFInfo
- Publication number
- NO322059B1 NO322059B1 NO19993268A NO993268A NO322059B1 NO 322059 B1 NO322059 B1 NO 322059B1 NO 19993268 A NO19993268 A NO 19993268A NO 993268 A NO993268 A NO 993268A NO 322059 B1 NO322059 B1 NO 322059B1
- Authority
- NO
- Norway
- Prior art keywords
- angles
- signals
- arrival
- signal
- unwanted
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 75
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- 230000005855 radiation Effects 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 2
- 238000004891 communication Methods 0.000 description 59
- 238000013461 design Methods 0.000 description 39
- 230000002452 interceptive effect Effects 0.000 description 19
- 239000013598 vector Substances 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/2813—Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference 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
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
- H01Q3/2611—Means for null steering; Adaptive interference nulling
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/06—Airborne or Satellite Networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Transmission System (AREA)
- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/963,485 US6061023A (en) | 1997-11-03 | 1997-11-03 | Method and apparatus for producing wide null antenna patterns |
| PCT/US1998/023366 WO1999023718A1 (en) | 1997-11-03 | 1998-11-03 | Antenna beam patterns having wide nulls |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO993268D0 NO993268D0 (no) | 1999-07-01 |
| NO993268L NO993268L (no) | 1999-08-31 |
| NO322059B1 true NO322059B1 (no) | 2006-08-07 |
Family
ID=25507309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19993268A NO322059B1 (no) | 1997-11-03 | 1999-07-01 | Fremgangsmate og innretning for a danne antennestralemonster med brede nullpunkt |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6061023A (de) |
| EP (1) | EP0956612B1 (de) |
| JP (1) | JP2001507917A (de) |
| KR (1) | KR100608468B1 (de) |
| CN (1) | CN1265502C (de) |
| AU (1) | AU1376499A (de) |
| CA (1) | CA2276524C (de) |
| IL (1) | IL130795A (de) |
| NO (1) | NO322059B1 (de) |
| WO (1) | WO1999023718A1 (de) |
Families Citing this family (89)
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| SG96568A1 (en) * | 2000-09-21 | 2003-06-16 | Univ Singapore | Beam synthesis method for downlink beamforming in fdd wireless communication system. |
| US6564036B1 (en) * | 2000-09-29 | 2003-05-13 | Arraycomm, Inc. | Mode switching in adaptive array communications systems |
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| US7359504B1 (en) | 2002-12-03 | 2008-04-15 | Plantronics, Inc. | Method and apparatus for reducing echo and noise |
| US8204149B2 (en) | 2003-12-17 | 2012-06-19 | Qualcomm Incorporated | Spatial spreading in a multi-antenna communication system |
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| US11309943B2 (en) | 2004-04-02 | 2022-04-19 | Rearden, Llc | System and methods for planned evolution and obsolescence of multiuser spectrum |
| US8654815B1 (en) | 2004-04-02 | 2014-02-18 | Rearden, Llc | System and method for distributed antenna wireless communications |
| US11394436B2 (en) | 2004-04-02 | 2022-07-19 | Rearden, Llc | System and method for distributed antenna wireless communications |
| US11451275B2 (en) | 2004-04-02 | 2022-09-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
| US10985811B2 (en) | 2004-04-02 | 2021-04-20 | Rearden, Llc | System and method for distributed antenna wireless communications |
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| US10749582B2 (en) | 2004-04-02 | 2020-08-18 | Rearden, Llc | Systems and methods to coordinate transmissions in distributed wireless systems via user clustering |
| US10200094B2 (en) * | 2004-04-02 | 2019-02-05 | Rearden, Llc | Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems |
| US8170081B2 (en) | 2004-04-02 | 2012-05-01 | Rearden, LLC. | System and method for adjusting DIDO interference cancellation based on signal strength measurements |
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| US10187133B2 (en) * | 2004-04-02 | 2019-01-22 | Rearden, Llc | System and method for power control and antenna grouping in a distributed-input-distributed-output (DIDO) network |
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| US9923657B2 (en) | 2013-03-12 | 2018-03-20 | Rearden, Llc | Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology |
| US10547358B2 (en) | 2013-03-15 | 2020-01-28 | Rearden, Llc | Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications |
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| KR102177553B1 (ko) * | 2014-03-27 | 2020-11-11 | 삼성전자주식회사 | 다중 사용자 지원을 위한 빔포밍 방법 및 장치 |
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| EP3729682A1 (de) | 2017-12-19 | 2020-10-28 | Smartsky Networks LLC | Interferenzunterdrückung auf basis der phasenverteilung eines antennensystems |
| US10892553B2 (en) | 2018-01-17 | 2021-01-12 | Kymeta Corporation | Broad tunable bandwidth radial line slot antenna |
| KR20200130288A (ko) | 2018-03-09 | 2020-11-18 | 아이소트로픽 시스템즈 엘티디. | 안테나 빔 추적 시스템에 대한 동적 간섭 감소 |
| US11330594B1 (en) * | 2020-11-25 | 2022-05-10 | Qualcomm Incorporated | Optimized UE beamforming with null space report |
| WO2023222997A1 (en) * | 2022-05-18 | 2023-11-23 | Focal Point Positioning Limited | Method and apparatus for improving co-channel operation of independent radio systems |
| CN114980032A (zh) * | 2022-06-06 | 2022-08-30 | 厦门大学 | 基于感通一体的v2v波束跟踪方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4225870A (en) * | 1978-05-10 | 1980-09-30 | The United States Of America As Represented By The Secretary Of The Army | Null steering antenna |
| US4246585A (en) * | 1979-09-07 | 1981-01-20 | The United States Of America As Represented By The Secretary Of The Air Force | Subarray pattern control and null steering for subarray antenna systems |
| US4933680A (en) * | 1988-09-29 | 1990-06-12 | Hughes Aircraft Company | Microstrip antenna system with multiple frequency elements |
| FR2649544B1 (fr) * | 1989-07-04 | 1991-11-29 | Thomson Csf | Systeme d'antenne a faisceaux multiples a modules actifs et formation de faisceaux par le calcul numerique |
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-
1997
- 1997-11-03 US US08/963,485 patent/US6061023A/en not_active Expired - Lifetime
-
1998
- 1998-11-03 CA CA002276524A patent/CA2276524C/en not_active Expired - Fee Related
- 1998-11-03 CN CNB988022710A patent/CN1265502C/zh not_active Expired - Fee Related
- 1998-11-03 KR KR1019997006049A patent/KR100608468B1/ko not_active IP Right Cessation
- 1998-11-03 JP JP52674599A patent/JP2001507917A/ja not_active Withdrawn
- 1998-11-03 WO PCT/US1998/023366 patent/WO1999023718A1/en active IP Right Grant
- 1998-11-03 EP EP98957525A patent/EP0956612B1/de not_active Expired - Lifetime
- 1998-11-03 AU AU13764/99A patent/AU1376499A/en not_active Abandoned
- 1998-11-03 IL IL13079598A patent/IL130795A/en not_active IP Right Cessation
-
1999
- 1999-07-01 NO NO19993268A patent/NO322059B1/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999023718A1 (en) | 1999-05-14 |
| CN1265502C (zh) | 2006-07-19 |
| EP0956612B1 (de) | 2011-08-03 |
| KR100608468B1 (ko) | 2006-08-09 |
| AU1376499A (en) | 1999-05-24 |
| JP2001507917A (ja) | 2001-06-12 |
| CA2276524C (en) | 2007-05-29 |
| IL130795A0 (en) | 2001-01-28 |
| EP0956612A1 (de) | 1999-11-17 |
| KR20000069861A (ko) | 2000-11-25 |
| US6061023A (en) | 2000-05-09 |
| CN1256803A (zh) | 2000-06-14 |
| IL130795A (en) | 2002-08-14 |
| NO993268D0 (no) | 1999-07-01 |
| CA2276524A1 (en) | 1999-05-14 |
| NO993268L (no) | 1999-08-31 |
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