EP1215753A1 - Réseau d'éléments d'antenne patch - Google Patents
Réseau d'éléments d'antenne patch Download PDFInfo
- Publication number
- EP1215753A1 EP1215753A1 EP01403232A EP01403232A EP1215753A1 EP 1215753 A1 EP1215753 A1 EP 1215753A1 EP 01403232 A EP01403232 A EP 01403232A EP 01403232 A EP01403232 A EP 01403232A EP 1215753 A1 EP1215753 A1 EP 1215753A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- supply
- radiating
- patches
- network according
- 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
Links
- 230000005284 excitation Effects 0.000 claims abstract description 21
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000001413 cellular effect Effects 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 description 3
- 230000010287 polarization Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 235000021183 entrée Nutrition 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011104 metalized film Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
Images
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
- H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/065—Patch antenna array
Definitions
- a patch antenna, or even patch antenna is formed a radiant layer (patch) and a mass layer separated by a dielectric layer, the radiating layer being excited by a hot wire an excitation connector connected to the ground layer.
- the dielectric layer is not air and therefore has a permittivity other than 1, the antenna is called microstrip.
- Such antennas are advantageous in particular at frequencies of around 2000 MHz of the UMTS cellular radiotelephony band. However, these antennas are used in a frequency domain extending roughly from 100 MHz to 40 GHz.
- these antennas can be networked. For this requires a supply layer of the different elements antenna, on the side of the ground layer opposite the radiating layer. But as the excitation connector must be connected to a ground layer, we have proposed to use a power supply in a patch antenna array triplate, i.e. a feed layer extending between two mass layers.
- this solution does not allow access to the layer supply to phase the various elements of the network and thus orient as desired the axis of the network radiation pattern.
- the idea of removing the second layer of mass raises the difficulty to connect the hot wire of the connector to the supply layer by making pass the ground sheath of the connector, in which the hot wire extends, to through an opening in the supply layer.
- the invention of the present application aims to resolve this dilemma.
- the invention relates to an array of antenna elements patch, comprising a radiating layer of patches, a layer of a circuit feeding the patches of the radiant layer, a layer of mass between the radiant layer and the supply layer and a wire connector excitation heat arranged in line with an area of the supply layer out of the supply circuit and the hot wire being connected to the layer supply via the radiant layer.
- the radiating layer of the network into a layer radiant and nourishing.
- the network has two feeding layers.
- the invention is remarkable in that by wanting to remove a mass layer, we created a second mixed supply layer with the radiant layer.
- the patches of the antenna elements of the layer radiating from the network are excited by the power layer by via vias passing through the mass layer.
- the wire hot from the excitation connector is connected to the radiant layer and feed and to the feed layer via two vias crossing the mass layer.
- the network comprises at least a second layer radiating from secondary patches separated from the first radiating layer primary patches by a spacer of permittivity substantially equal to 1, for its thickness, being able to control the network bandwidth.
- the supply circuit can have a single input power supply by antenna element, to obtain a polarization network linear or at least two power inputs per antenna element, for obtain a circularly polarized network.
- the supply circuit is printed on the feed layer with a metallized feed input range of connection to the connector's excitation hot wire and a mass range generally annular metallized connection to a ground sheath of the excitation connector and to a via connecting it to the ground layer.
- the radiating patches and a metallized range excitation and bonding of the radiating layer and the layer are printed on the radiant layer.
- the array of patch antenna elements that will now to be described comprises a ground layer 1, a supply layer 2 and a radiant and supply layer 3.
- the mass layer 1 is consisting of a substrate 4 on which a metallized film 5 has been turned to the feed layer 2.
- the radiant and supply layer 3 consists of a substrate 6 on which four circular radiating patches have been deposited here 7 and a metallized excitation area 8, here rectangular, of smaller area than the patches.
- the supply layer 2 consists of a substrate on which has been printed a supply circuit 9, with a metallized input range supply 10 and a metallized mass area 11.
- the layers of mass 1 and of supply 2 are separated by a dielectric 12 characterized by its permittivity, here greater than 2, in this case 2, 3, for example in Teflon glass, to ensure good radiation to a wavelength greater than 2 Ghz.
- a dielectric 12 characterized by its permittivity, here greater than 2, in this case 2, 3, for example in Teflon glass, to ensure good radiation to a wavelength greater than 2 Ghz.
- the patches 7 of the radiating layer are excited by a connector 13 from which a ground sheath 14 and a hot wire emerge excitement 15.
- the supply circuit 9 therefore includes the input range 10 and, here, as there are four radiating patches and the network must be at circular polarization, eight end tabs 16, for excitation of patches, that is to say two per patch, with, between these tabs and the beach input, conventionally for an array of patch antennas, phase shifters and switches printed along the circuit.
- Input area 10 has a shape small oblong patch connected to the main circuit 9 by two elbows.
- the mass range 11 It has a generally annular shape but at substantially square external contour.
- the connector 13 is therefore placed in line with this zone 11 of the supply layer 2 which is outside the supply circuit 9.
- the ground sheath 14 of the connector 13 is connected to the track 11 and to the mass film 5 of layer 1 via a via 17.
- the input area 10 of the supply layer 2 is connected to the excitation range 8 of the radiating layer and supply 3 by one via 18 passing through the ground layer 1.
- the hot excitation wire 15 of the connector 13, which extends into the ground sheath 14, is connected to the excitation range 8 by a via 19 crossing the mass layer 1 and extending between the mass range 11 and the excitation range 8.
- the input range 10 is therefore connected to the hot wire excitement 15.
- the power input range 10 and, in part, the range of mass 11 are printed on the supply layer 2 opposite the range excitation 8 of the radiating layer 3.
- the ends of the excitation tabs 16 are located, two by two, opposite the patches respective 7 of the radiating layer 3, to which they are connected by vias 20, crossing the layer of mass 1.
Landscapes
- Waveguide Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
Description
- la figure 1 représente une vue de dessous de la couche d'alimentation, avec le circuit d'alimentation ;
- la figure 2 représente une vue du dessus de la couche rayonnante et d'alimentation ; et
- la figure 3 représente une vue du réseau en coupe à travers les plages d'entrée d'alimentation et de masse de la couche d'alimentation.
Claims (9)
- Réseau (1) d'éléments d'antenne patch, comprenant une couche rayonnante (3) de patches (7), une couche (2) d'un circuit (9) d'alimentation des patches (7) de la couche rayonnante (3), une couche de masse (1) entre la couche rayonnante (3) et la couche d'alimentation (2) et un connecteur (13) à fil chaud d'excitation (15) disposé au droit d'une zone (11) de la couche d'alimentation (2) hors du circuit d'alimentation (9) et le fil chaud (15) étant relié à la couche d'alimentation (2) par l'intermédiaire de la couche rayonnante (3).
- Réseau selon la revendication 1, dans lequel les patches (7) des éléments d'antenne de la couche rayonnante (3) du réseau sont excités par la couche d'alimentation (2) par l'intermédiaire de vias (20) traversant la couche de masse (1).
- Réseau selon l'une des revendications 1 et 2, dans lequel le fil chaud (15) du connecteur d'excitation (13) est relié à la couche rayonnante et d'alimentation (3) et à la couche d'alimentation (2) par l'intermédiaire de deux vias (19, 18) traversant la couche de masse (1).
- Réseau selon l'une des revendications 1 à 3, dans lequel le circuit d'alimentation (9) comporte une seule entrée d'alimentation par élément d'antenne.
- Réseau selon l'une des revendications 1 à 3, dans lequel le circuit d'alimentation (9) comporte au moins deux entrées (16) par élément d'antenne (7).
- Réseau selon l'une des revendications 1 à 5, dans lequel le circuit d'alimentation (9) est imprimé sur la couche d'alimentation (2), avec une plage d'entrée d'alimentation métallisée (10) de liaison au fil chaud d'excitation (15) du connecteur (13).
- Réseau selon l'une des revendications 1 à 6, dans lequel le circuit d'alimentation (9) est imprimé sur la couche d'alimentation (2) avec une plaque de masse métallisée globalement annulaire (11) de liaison à une gaine de masse (14) du connecteur d'excitation (13) et à un via (17) la reliant à la couche de masse (1).
- Réseau selon l'une des revendications 1 à 7, dans lequel les patches rayonnante (7) et une plage métallisée d'excitation et de liaison de la couche rayonnante (3) et de la couche d'alimentation (2) sont imprimés sur la couche rayonnante (3).
- Réseau selon l'une des revendications 1 à 8, dans lequel il est prévu au moins une deuxième couche rayonnante de patches secondaires séparés de la première couche rayonnante (3) de patches primaires (7) par une entretoise de permittivité sensiblement égale à 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0016226 | 2000-12-13 | ||
| FR0016226A FR2818017B1 (fr) | 2000-12-13 | 2000-12-13 | Reseau d'elements d'antenne patch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1215753A1 true EP1215753A1 (fr) | 2002-06-19 |
| EP1215753B1 EP1215753B1 (fr) | 2007-02-28 |
Family
ID=8857593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20010403232 Expired - Lifetime EP1215753B1 (fr) | 2000-12-13 | 2001-12-13 | Réseau d'éléments d'antenne patch |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1215753B1 (fr) |
| DE (1) | DE60126899T2 (fr) |
| ES (1) | ES2281403T3 (fr) |
| FR (1) | FR2818017B1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008046975B4 (de) * | 2008-09-12 | 2014-07-24 | Eads Deutschland Gmbh | Antennenvorrichtung für hochfrequente elektromagnetische Wellen |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4318107A (en) * | 1978-11-24 | 1982-03-02 | Thomson-Csf | Printed monopulse primary source for airport radar antenna and antenna comprising such a source |
| US4792810A (en) * | 1985-07-23 | 1988-12-20 | Sony Corporation | Microwave antenna |
-
2000
- 2000-12-13 FR FR0016226A patent/FR2818017B1/fr not_active Expired - Lifetime
-
2001
- 2001-12-13 ES ES01403232T patent/ES2281403T3/es not_active Expired - Lifetime
- 2001-12-13 DE DE2001626899 patent/DE60126899T2/de not_active Expired - Lifetime
- 2001-12-13 EP EP20010403232 patent/EP1215753B1/fr not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4318107A (en) * | 1978-11-24 | 1982-03-02 | Thomson-Csf | Printed monopulse primary source for airport radar antenna and antenna comprising such a source |
| US4792810A (en) * | 1985-07-23 | 1988-12-20 | Sony Corporation | Microwave antenna |
Non-Patent Citations (1)
| Title |
|---|
| OWENS R P ET AL: "LOW-PROFILE DUAL BAND, DUAL POLARISED ARRAY ANTENNA MODULE", ELECTRONICS LETTERS,GB,IEE STEVENAGE, vol. 26, no. 18, 30 August 1990 (1990-08-30), pages 1433 - 1434, XP000108557, ISSN: 0013-5194 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE60126899D1 (de) | 2007-04-12 |
| FR2818017A1 (fr) | 2002-06-14 |
| EP1215753B1 (fr) | 2007-02-28 |
| ES2281403T3 (es) | 2007-10-01 |
| FR2818017B1 (fr) | 2003-01-24 |
| DE60126899T2 (de) | 2007-10-31 |
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