ZA201202632B - Omnidirectional antenna with a null in a selected direction - Google Patents
Omnidirectional antenna with a null in a selected directionInfo
- Publication number
- ZA201202632B ZA201202632B ZA2012/02632A ZA201202632A ZA201202632B ZA 201202632 B ZA201202632 B ZA 201202632B ZA 2012/02632 A ZA2012/02632 A ZA 2012/02632A ZA 201202632 A ZA201202632 A ZA 201202632A ZA 201202632 B ZA201202632 B ZA 201202632B
- Authority
- ZA
- South Africa
- Prior art keywords
- null
- omnidirectional antenna
- selected direction
- omnidirectional
- antenna
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
-
- 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
- H01Q3/2617—Array of identical elements
- H01Q3/2623—Array of identical elements composed of two antennas
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA201102711 | 2011-04-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA201202632B true ZA201202632B (en) | 2014-10-29 |
Family
ID=46025831
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA2012/02632A ZA201202632B (en) | 2011-04-12 | 2012-04-12 | Omnidirectional antenna with a null in a selected direction |
ZA2014/04722A ZA201404722B (en) | 2011-04-12 | 2014-06-26 | Omnidirectional antenna with a null in a selected direction |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA2014/04722A ZA201404722B (en) | 2011-04-12 | 2014-06-26 | Omnidirectional antenna with a null in a selected direction |
Country Status (2)
Country | Link |
---|---|
WO (1) | WO2012140586A1 (en) |
ZA (2) | ZA201202632B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5697052B2 (en) * | 2012-11-23 | 2015-04-08 | 古河電気工業株式会社 | Array antenna device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI990395A (en) * | 1999-02-24 | 2000-08-25 | Nokia Networks Oy | Hardware for attenuating interference between antennas |
DE19931907C2 (en) * | 1999-07-08 | 2001-08-09 | Kathrein Werke Kg | antenna |
KR20070058005A (en) * | 2002-09-17 | 2007-06-07 | 아이피알 라이센싱, 인코포레이티드 | Multiple pattern antenna |
US7427967B2 (en) * | 2003-02-01 | 2008-09-23 | Qinetiq Limited | Phased array antenna and inter-element mutual coupling control method |
EP1498986A1 (en) * | 2003-07-16 | 2005-01-19 | Koninklijke KPN N.V. | Antenna system for generation and utilizing several small beams from several wide-beam antennas |
US7202824B1 (en) * | 2003-10-15 | 2007-04-10 | Cisco Technology, Inc. | Dual hemisphere antenna |
-
2012
- 2012-04-12 WO PCT/IB2012/051782 patent/WO2012140586A1/en active Application Filing
- 2012-04-12 ZA ZA2012/02632A patent/ZA201202632B/en unknown
-
2014
- 2014-06-26 ZA ZA2014/04722A patent/ZA201404722B/en unknown
Also Published As
Publication number | Publication date |
---|---|
ZA201404722B (en) | 2017-08-30 |
WO2012140586A1 (en) | 2012-10-18 |
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