EP0948084A2 - Dual polarisiertes Antennenelement - Google Patents
Dual polarisiertes Antennenelement Download PDFInfo
- Publication number
- EP0948084A2 EP0948084A2 EP99102424A EP99102424A EP0948084A2 EP 0948084 A2 EP0948084 A2 EP 0948084A2 EP 99102424 A EP99102424 A EP 99102424A EP 99102424 A EP99102424 A EP 99102424A EP 0948084 A2 EP0948084 A2 EP 0948084A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- line
- slot
- symmetry
- slots
- coupled
- 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.)
- Granted
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Classifications
-
- 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
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0428—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave
- H01Q9/0435—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave using two feed points
-
- 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
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
- H01Q9/0457—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means electromagnetically coupled to the feed line
-
- 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
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0478—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with means for suppressing spurious modes, e.g. cross polarisation
Definitions
- the present invention relates to a dual polarized Antenna element consisting of one in a first level lying planar emitter element, one in a second Layered metallized surface that is at least two slots running below the radiator element has, and one arranged in a third level, with coupled to the slots in the level above Feeder structure, with one of the slots on a line of symmetry of the radiator element and at least one further slot orthogonal and mirror-symmetrical to the Line of symmetry runs and the slots with separate Feed lines are coupled.
- Planar antennas consisting of a multitude of such dual Polarized antenna elements, for example, in the Base stations and in the subscriber stations from point to multipoint Radio transmission systems are used.
- Such planar antennas have the advantage of a high one Design flexibility desired Antenna characteristics, and they allow one inexpensive production in large numbers.
- the point-to-multipoint radio transmission system is the radio field divided into several sectors around a base station, with a separate planar antenna for each radio field sector is available. To ensure the highest possible transmission capacity to achieve the transmission channels in neighboring Sectors or the transmit and receive channels within of a sector with different polarizations. You want to due to space constraints on separate transmit and receive antennas can do without an antenna with which both sent and is also received with dual polarized Antenna elements can be realized.
- a dual polarized antenna element that introduces is described in Electronics Letters, February 16, 1995, Vol. 31, No. 4, pp. 245, 246.
- This known antenna element are next to one on one Line of symmetry of the radiator element lying slot two further slits orthogonal to it arranged opposite edges of the radiator element.
- the slot running on the line of symmetry is one planar feed line for waves of a first polarization coupled, and a second feed line for waves one second polarization is via a line junction with coupled to the other two slots.
- That conceived dual polarized antenna element still has a relative high cross polarization between 32 and 35 dB.
- the invention is therefore based on the object of a dual polarized antenna element of the type mentioned specify, whose cross polarization is as low as possible.
- FIG. 1 is a cross section through a planar, dual polarized antenna element shown.
- This Antenna element has one on a first level Substrate 1 arranged radiator element (patch) 2.
- a metallized surface 4 in which, as explained in more detail with reference to FIGS. 2 and 3 is, several coupling slots 5, 6 are available.
- a third level namely on the underside of the substrate 3 is one shown in detail in Figures 2 and 3
- Feed line structure 7, 8 arranged with the Slits 5 and 6 is coupled.
- a ground surface 9 is also arranged.
- radome plastic cover
- the gaps between the mutually spaced levels 10, 1, 3 and 9 are with a Dielectric filled, which is a lower one Dielectric constant has as the substrates 1 and 3; e.g. this dielectric is air.
- a planar array antenna is made up of a large number of such individual antenna elements.
- FIG. 2 is a top view of a single dual To see polarized antenna element, the dashed bordered area represents the radiator element 2 and below it the coupling slots 5 in different levels and 6 and the feed lines 7 and 8 run.
- the antenna element should be dual polarizable. That's why the two coupling slots 5 and 6 are orthogonal to each other, so that two orthogonal wave modes to the Radiator element 2 can be coupled.
- the first Coupling slot 5 lies on a line of symmetry 11 of the Radiator element 2.
- the line of symmetry 11 shares this here e.g. rectangular shaped radiator element 2 in two the same large areas.
- a feed line 7 crosses the coupling slot 5 in its middle. Thus, one at the 7.1 input Feed line 7 fed wave of a first polarization coupled to the slot 5. One over slot 5 branch line 7.2 going beyond serves to adapt the Line 7 to slot 5.
- the coupling slot 6 for the second polarization runs perpendicular to the coupling slot 5, the coupling slot 6 off-center of the radiator element 2 in its edge area runs.
- the coupling slot 6 extends mirror-symmetrical to the line of symmetry 11.
- the coupling a wave mode with a second polarization to the Coupling slot 6 takes place as a Line branch 8 trained feed line.
- Input 8.1 of the feed line, at which the shaft with the second polarization branches into two mirror-symmetrical to the line of symmetry 11 Line arms, each of which the coupling slot 6 in one Crossed points 12, 13 and one each for adjustment serving branch line 8.2, 8.3 ends.
- the totally mirror-symmetrical to the line of symmetry 11 The feed line is also mirror-symmetrical on two to the line of symmetry 11 points 12 and 13 with the Coupling slot 6 coupled. Because of the very symmetrical Slot and line configuration of the dual polarized Antenna element is a very high decoupling of the Achieved orthogonally polarized wave modes. The decoupling is supported by the fact that the Inputs 7.1 and 8.1 of the two feed lines 7 and 8 led out opposite sides of the beam element 2 are.
- a modified embodiment of the slot 6 shows the Figure 3.
- the slot 6 in two sub-slots 6.1 and 6.2 divided, the perpendicular and mirror-symmetrical to Axis of symmetry 11, on both sides of the coupling slot 5, run.
- By dividing the slot 6 into two Sub-slots 6.1 and 6.2 can now use the two sub-slots away from the edge of the radiator element 2 in the direction of its Center to be moved.
- This arrangement of the coupling slots 5 and 6.1, 6.2 allows a reduction in Area of the antenna element.
- the two arms of the Line branching of the feed line 8 are with each a partial slot 6.1, 6.2 in a point 14 or 15 coupled.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
Description
Claims (3)
- Dual polarisiertes Antennenelement, bestehend aus einem in einer ersten Ebene liegenden planaren Strahlerelement (2), einer in einer zweiten Ebene angeordneten metallisierten Fläche (4), die mindestens zwei unterhalb des Strahlerelements (2) verlaufende Schlitze (5, 6, 6.1, 6.2) aufweist, und einer in einer dritten Ebene angeordneten, mit den Schlitzen (5, 6, 6.1, 6.2) in der darüberliegenden Ebene gekoppelten Speiseleitungsstruktur (7, 8), wobei von den Schlitzen (5, 6, 6.1, 6.2) einer (5) auf einer Symmetrielinie (11) des Strahlerelements (2) und mindestens ein weiterer Schlitz (6, 6.1, 6.2) orthogonal und spiegelsymmetrisch zu der Symmetrielinie (11) verläuft und die Schlitze (5, 6, 6.1, 6.2) mit getrennten Speiseleitungen (7, 8) gekoppelt sind, dadurch gekennzeichnet,
daß der orthogonal zur Symmetrielinie (11) verlaufende Schlitz (6, 6.1, 6.2) an zwei spiegelsymmetrisch zur Symmetrielinie (11) liegenden Punkten (12, 13, 14, 15) mit einer Speiseleitung (8) gekoppelt ist, die als spiegelsymmetrisch verlaufende Leitungsverzweigung ausgebildet ist. - Dual polarisiertes Antennenelement nach Anspruch 1, dadurch gekennzeichnet, daß sich der orthogonal zur Symmetrielinie (11) verlaufende Schlitz (6) im Randbereich des Strahlerelements (2) erstreckt.
- Dual polarisiertes Antennenelement nach Anspruch 1, dadurch gekennzeichnet, daß der orthogonal zur Symmetrielinie (11) verlaufende Schlitz (6) in zwei Teilschlitze (6.1, 6.2) aufgeteilt ist, die sich zu beiden Seiten des in der Symmetrielinie (11) liegenden Schlitzes (5) erstrecken, und daß jeder Teilschlitz (6.1, 6.2) mit einem Arm der spiegelsymmetrischen Leitungsverzweigung (8) gekoppelt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19815003 | 1998-04-03 | ||
DE19815003A DE19815003A1 (de) | 1998-04-03 | 1998-04-03 | Dual polarisiertes Antennenelement |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0948084A2 true EP0948084A2 (de) | 1999-10-06 |
EP0948084A3 EP0948084A3 (de) | 2001-04-04 |
EP0948084B1 EP0948084B1 (de) | 2006-08-30 |
Family
ID=7863510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99102424A Expired - Lifetime EP0948084B1 (de) | 1998-04-03 | 1999-02-09 | Dual polarisiertes Antennenelement |
Country Status (3)
Country | Link |
---|---|
US (1) | US6107965A (de) |
EP (1) | EP0948084B1 (de) |
DE (2) | DE19815003A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2482383A2 (de) * | 2011-04-19 | 2012-08-01 | Huawei Technologies Co., Ltd. | Mikrostreifenantenne |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6288679B1 (en) * | 2000-05-31 | 2001-09-11 | Lucent Technologies Inc. | Single element antenna structure with high isolation |
DE10063437A1 (de) * | 2000-12-20 | 2002-07-11 | Bosch Gmbh Robert | Antennenanordnung |
WO2002065581A1 (en) * | 2001-02-14 | 2002-08-22 | Telefonaktiebolaget Lm Ericsson (Publ) | A layered micro strip patch antenna |
WO2002067376A1 (en) * | 2001-02-16 | 2002-08-29 | Ems Technologies, Inc. | Method and system for producing dual polarization states with controlled rf beamwidths |
US6462710B1 (en) | 2001-02-16 | 2002-10-08 | Ems Technologies, Inc. | Method and system for producing dual polarization states with controlled RF beamwidths |
EP1239542B1 (de) * | 2001-03-05 | 2006-06-07 | Marconi Communications GmbH | Schlitz-gekoppelte Antennenanordnung auf einem Mehrschicht-Substrat |
GB2379833A (en) * | 2001-09-18 | 2003-03-19 | Lucent Technologies Inc | Method of testing antennas of a wireless telecommunications base station |
FI20055637A0 (fi) * | 2005-12-02 | 2005-12-02 | Nokia Corp | Kaksipolarisaatio-mikroliuska-patch-antennirakenne |
US20090142112A1 (en) * | 2007-11-30 | 2009-06-04 | Xerox Corporation | Phase change ink imaging component having composite outer layer |
US20090141110A1 (en) * | 2007-11-30 | 2009-06-04 | Xerox Corporation | Ink-jet printer using phase-change ink for direct on paper printing |
CN104733856A (zh) * | 2015-03-09 | 2015-06-24 | 华南理工大学 | 一种利用三条缝隙解耦的mimo天线 |
CN105337037B (zh) * | 2015-12-12 | 2019-03-08 | 尚一民 | 双极化缝隙阵列天线 |
US10714837B1 (en) | 2018-10-31 | 2020-07-14 | First Rf Corporation | Array antenna with dual polarization elements |
CN113161720B (zh) * | 2020-01-22 | 2024-01-30 | 华为技术有限公司 | 具有高隔离度和低交叉极化电平的天线、基站和终端 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998049741A1 (en) * | 1997-04-30 | 1998-11-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Microwave antenna system and method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI87409C (fi) * | 1991-01-17 | 1992-12-28 | Valtion Teknillinen | Anordning och foerfarande foer koppling av en mikrolamellkrets till en haolrumsresonator |
CA2061254C (en) * | 1991-03-06 | 2001-07-03 | Jean Francois Zurcher | Planar antennas |
US5241321A (en) * | 1992-05-15 | 1993-08-31 | Space Systems/Loral, Inc. | Dual frequency circularly polarized microwave antenna |
GB9220414D0 (en) * | 1992-09-28 | 1992-11-11 | Pilkington Plc | Patch antenna assembly |
KR0140601B1 (ko) * | 1995-03-31 | 1998-07-01 | 배순훈 | 이중 원편파 수신장치 |
US5608413A (en) * | 1995-06-07 | 1997-03-04 | Hughes Aircraft Company | Frequency-selective antenna with different signal polarizations |
WO1997002623A1 (en) * | 1995-07-05 | 1997-01-23 | California Institute Of Technology | A dual polarized, heat spreading rectenna |
-
1998
- 1998-04-03 DE DE19815003A patent/DE19815003A1/de not_active Ceased
-
1999
- 1999-02-09 DE DE59913804T patent/DE59913804D1/de not_active Expired - Lifetime
- 1999-02-09 EP EP99102424A patent/EP0948084B1/de not_active Expired - Lifetime
- 1999-03-12 US US09/267,580 patent/US6107965A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998049741A1 (en) * | 1997-04-30 | 1998-11-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Microwave antenna system and method |
Non-Patent Citations (3)
Title |
---|
BRACHAT P ET AL: "PRINTED RADIATING ELEMENT WITH TWO HIGHLY DECOUPLED INPUT PORTS" ELECTRONICS LETTERS,GB,IEE STEVENAGE, Bd. 31, Nr. 4, 16. Februar 1995 (1995-02-16), Seiten 245-246, XP000513667 ISSN: 0013-5194 * |
LINDMARK B: "A NOVEL DUAL POLARIZED APERTURE COUPLED PATCH ELEMENT WITH A SINGLELAYER FEED NETWORK AND HIGH ISOLATION" IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM,US,NEW YORK, NY: IEEE, 14. Juli 1997 (1997-07-14), Seiten 2190-2193, XP000790877 ISBN: 0-7803-4179-1 * |
MURAKAMI Y ET AL: "DUAL SLOT-COUPLED MICROSTRIP ANTENNA FOR DUAL FREQUENCY OPERATION" ELECTRONICS LETTERS,GB,IEE STEVENAGE, Bd. 29, Nr. 22, 28. Oktober 1993 (1993-10-28), Seiten 1906-1907, XP000420967 ISSN: 0013-5194 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2482383A2 (de) * | 2011-04-19 | 2012-08-01 | Huawei Technologies Co., Ltd. | Mikrostreifenantenne |
EP2482383A4 (de) * | 2011-04-19 | 2012-12-19 | Huawei Tech Co Ltd | Mikrostreifenantenne |
Also Published As
Publication number | Publication date |
---|---|
DE19815003A1 (de) | 1999-10-14 |
EP0948084B1 (de) | 2006-08-30 |
EP0948084A3 (de) | 2001-04-04 |
DE59913804D1 (de) | 2006-10-12 |
US6107965A (en) | 2000-08-22 |
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