EP3540852B1 - Antenne multibande pour un dispositif récepteur et/ou émetteur destinée à l'usage mobile, en particulier pour véhicules, constituée d'une carte de circuit imprimé à doublage en cuivre double face - Google Patents

Antenne multibande pour un dispositif récepteur et/ou émetteur destinée à l'usage mobile, en particulier pour véhicules, constituée d'une carte de circuit imprimé à doublage en cuivre double face Download PDF

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Publication number
EP3540852B1
EP3540852B1 EP19161779.4A EP19161779A EP3540852B1 EP 3540852 B1 EP3540852 B1 EP 3540852B1 EP 19161779 A EP19161779 A EP 19161779A EP 3540852 B1 EP3540852 B1 EP 3540852B1
Authority
EP
European Patent Office
Prior art keywords
circuit board
structures
copper
range antenna
antenna 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.)
Active
Application number
EP19161779.4A
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German (de)
English (en)
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EP3540852A1 (fr
Inventor
Yury Bulbin
Thomas HARZ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Desay Sv Automotive Europe GmbH
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Desay Sv Automotive Europe GmbH
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Application filed by Desay Sv Automotive Europe GmbH filed Critical Desay Sv Automotive Europe GmbH
Publication of EP3540852A1 publication Critical patent/EP3540852A1/fr
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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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/40—Element having extended radiating surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/35—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using two or more simultaneously fed points
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • 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
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them

Definitions

  • the invention relates to a multi-range antenna for a receiving and / or transmitting device for mobile use, in particular vehicles, consisting of a printed circuit board that is copper-clad on both sides, the copper-clad surfaces on the sides of the circuit board representing antenna radiator structures for mobile communications, WLAN and / or navigation services and monopole structures are formed according to claim 1.
  • a multifunctional antenna for WLAN and telematic applications is previously known, which is designed on the basis of a printed circuit board.
  • GPS antennas and antennas for satellite radio reception are formed on one of the sides of the circuit board.
  • slot antennas for GSM reception are realized in the shape of a circular arc and have a structure that avoids sharp corners or edges in the emitters as far as possible.
  • the decoupling of the individual antenna elements according to the previously known solution is inadequate, however, so that there are restrictions on use when using the antenna.
  • Patch antennas also require a relatively large distance between the patch and the so-called ground plane. For this reason, the printed circuit board used must have a relatively large thickness and therefore have a high mass.
  • a multi-range antenna for a receiving and / or transmitting device for mobile use, in particular motor vehicles is previously known.
  • This antenna consists of a carrier plate to accommodate electrical connection elements and to mount the antenna.
  • a copper-clad printed circuit board extends essentially perpendicularly from the carrier plate on the carrier plate.
  • the structures of the printed circuit board are designed in such a way that a mobile radio monopole radiator structure and a connection surface structure for a fixable CB radiator are created on a first side of the printed circuit board.
  • the electric field between the connection surface structure and the monopole radiator structure is orthogonally polarized, the two radiators being spatially separated.
  • a grounded cellular zigzag slot radiator structure is formed, which is excited by the monopole radiator structure.
  • the surface of the circuit board is designed in such a way that it essentially fills the longitudinal sectional surface of a housing for the antenna
  • the object of the invention to provide a further developed multi-range antenna for a receiving and / or transmitting device for mobile use, which allows only low costs in terms of production and at the same time provides excellent antenna parameters.
  • the antenna should only have a manageable base area and a low mass, so that it can be used in particular as a glass adhesive multiband antenna.
  • the object of the invention is achieved by the multi-range antenna according to the combination of features according to claim 1, the subclaims comprising at least useful configurations and developments.
  • the multi-range antenna consists of a copper-clad printed circuit board on both sides, with the copper-clad surfaces on the printed circuit board sides representing antenna structures for mobile radio, WLAN and / or navigation services and slot radiator and monopole structures being designed for this purpose.
  • a large-area earth lamination is provided on the first copper-clad side of the printed circuit board, along an axis of symmetry the mass lamination is partially interrupted by a straight slot.
  • Two MIMO cellular radio slot radiator structures which preferably also run symmetrically to the slot, are formed within the first and second ground lamination surfaces.
  • a plurality of microstrip lines and further antenna structures are formed on the second copper-clad side of the printed circuit board, which are capacitively and / or inductively coupled to the structures on the first side of the printed circuit board.
  • the corresponding antenna connections for power supply are also located on the second copper-clad side of the circuit board.
  • the copper-clad printed circuit board has a symmetrical shape with respect to its horizontal and vertical dimensions.
  • the copper-clad surface can preferably be such a shape of a square or a rectangle.
  • the copper-clad material can also have a certain flexibility in order, for example, in the case of an adhesive glass antenna, to be able to fix it to a curved or spherical window of a motor vehicle.
  • the slot on the first copper-clad side of the circuit board runs from the upper edge side of the circuit board in the direction of the lower edge side of the circuit board.
  • the lower edge side of the circuit board is the one that receives the antenna feed connections.
  • a slot radiator for navigation services is formed on the second ground lamination surface, the slot radiator having a first section which is parallel to the slot and a second section which runs perpendicular to the slot.
  • the first section is selected to be shorter than the second section.
  • the shorter section is coupled to the slit to obtain circular polarization.
  • the straight slot has a double function.
  • the second copper-clad side of the printed circuit board has two symmetrically designed MIMO cellular structures and also includes three microstrip lines.
  • the symmetrically designed MIMO cellular structures are each connected to the input of the first and second microstrip lines. Its output forms the first and second output for the cellular area.
  • One end of the third microstrip line is coupled to the two-part slot radiator on the first side of the circuit board.
  • the second end of the third microstrip line forms the exit for the navigation service.
  • the second end of the third microstrip line can be connected to the input of a low-noise amplifier in a further development of the invention, the output of which then represents the connection for the navigation service.
  • All electronic components that may be required, including amplifiers, can be arranged on at least one of the two sides of the circuit board. At least one of the printed circuit board sides has a coating to be glued to a plastic or glass surface, so that the purpose of the application as a glass adhesive antenna is fulfilled.
  • the cell phone outputs and the output for the GNSS navigation service can each be implemented as a coaxial cable output. It is also possible to implement the cell phone outputs and the output for the navigation service as an HF plug or socket.
  • the length of the straight slot is in a ratio of 0.8 to 0.9 to the width of the first copper-clad side of the printed circuit board.
  • the MIMO cellular radio slot radiator structure can be implemented as a so-called zigzag slot radiator structure.
  • the multiband or multirange antenna according to the invention for a receiving and / or transmitting device is based on a copper-clad printed circuit board 1 which has a first side 2 and a second side 9.
  • the first copper-clad printed circuit board side 2 has a common ground plane shown in gray.
  • the copper cladding of the first printed circuit board side 2 has a number of slots and non-copper clad locations that represent a common antenna structure for mobile radio, wireless and GNSS navigation service.
  • the copper lamination of the second printed circuit board side 9 according to FIG Figure 1b has microstrip lines and separate antenna structures which are capacitively and / or inductively, that is to say electromagnetically coupled, to the common antenna structure of the first printed circuit board side 2.
  • the antenna outputs for cellular radio, wireless and the GNSS navigation service are also located on the second side of the circuit board.
  • the copper-clad printed circuit board 1 essentially has a symmetrical shape in relation to its horizontal and vertical dimensions.
  • the common ground area of the first copper-clad printed circuit board side 2 is mainly symmetrical in length with respect to the vertical axis and divided into two essentially symmetrical parts 4 and 5 by a straight slot 3.
  • the straight slot 3 runs according to Figure 1a from the middle of the upper side of the copper-clad printed circuit board 1 in the direction of the lower side of the printed circuit board 1.
  • the symmetrical parts 4; 5 of the common ground area of the first copper-clad printed circuit board side 2 represent a MIMO (multiple input-multiple output) cellular radio slot radiator structure.
  • the corresponding structures are identified by the reference symbols 40 and 50.
  • a two-part slot radiator 6 for the GNSS navigation service.
  • the parts of the slot radiator 6, that is to say the parts 7 and 8, are perpendicular to one another and are formed continuously.
  • a shorter part 7 runs parallel to the straight slot 3 and is coupled to it, forming a circular polarization.
  • the second copper-clad printed circuit board side 9 after Figure 1b has two symmetrical MIMO cellular structures 10; 11 and three microstrip lines 12, 13 and 14.
  • the symmetrical MIMO cellular structures 10; 11 are connected to the inputs of the first and the second microstrip lines 12, 13, the outputs of which represent the first and the second mobile radio output 15, 16.
  • One end 17 of the third conductive microstrip line 14 is coupled to the two-part slot radiator 6 on the first circuit board side 2 and connected to the common ground plane of the first copper-clad circuit board side 2 by a conductive pin or solder, the second end 18 of the third conductive microstrip line 14 being the Represents output for the navigation service GNSS.
  • the second end 18 of the third microstrip line 14 can be connected to the input of a low-noise amplifier 21, the output 22 of which represents the output for the navigation service GNSS.
  • any electronic components but also the amplifier 21 can be on the first and / or the second copper-clad printed circuit board side 2; 9 are arranged, in the sense of a per se known assembly of corresponding chip components.
  • the copper-clad printed circuit board 1 has a layer to be glued onto an in particular plastic or glass surface.
  • the mobile radio outputs 15, 16 and the output for the navigation service 18 or 22 can either be designed as a coaxial cable output or implemented as an HF plug / socket.
  • the length of the straight slot 3 is in the ratio 0.8 to 0.9 to the width of the first copper-clad printed circuit board side 2.
  • the MIMO mobile radio slot radiator structure can be implemented as a zigzag slot radiator structure 23, 24.
  • the antenna described is extremely compact in terms of its design and MIMO-capable.
  • the combination of magnetic antenna types, that is to say slot radiators, with electrical antenna types, that is to say monopole antenna structures, results in the desired broadband, with antenna matching by means of planar patch structures 19; 20 can be done in a simple manner.
  • the MIMO mobile radio antennas are very well decoupled from neighboring antennas due to their areal expansion and the resulting directional diagram, the slot 3 also providing support in this regard.

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  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Waveguide Aerials (AREA)

Claims (14)

  1. Antenne multigamme pour un dispositif de réception et/ou d'émission destiné à une utilisation mobile, en particulier dans des véhicules, constituée d'une carte à circuits (1) doublée de cuivre sur les deux faces, dans laquelle
    des surfaces doublées de cuivre sur les faces de la carte à circuits représentent des structures rayonnantes d'antenne pour la gamme de radiocommunication mobile, la WiFi et/ou les services de navigation, et des structures rayonnantes à fente et unipolaires sont formées à cet effet, un doublage de masse est prévu sur une grande surface sur la première face (2) de la carte à circuits doublée de cuivre,
    le doublage de masse est partiellement interrompu le long d'un axe de symétrie par une fente (3) s'étendant en ligne droite, dont résultent des première (4) et deuxième (5) surfaces de doublage de masse,
    deux structures rayonnantes à fente pour radiocommunication mobile MIMO (40 ; 50) sont formées à l'intérieur de la première (4) et de la deuxième (5) surface de doublage de masse,
    caractérisée en ce que
    sur la deuxième face (9) de la carte à circuits doublée de cuivre sont prévues plusieurs lignes microruban et d'autres structures d'antenne qui sont couplées de manière capacitive et/ou inductive aux structures de la première face (2) de la carte à circuits, et
    il est en outre prévu des connexions d'antenne,
    sur la deuxième surface de doublage de masse (5) est prévu un élément rayonnant à fente (6) pour des services de navigation, l'élément rayonnant à fente (6) comprenant une première portion (7) parallèle à la fente (3) et une seconde portion (8) perpendiculaire à la fente (3), et en outre la première portion (7) étant plus courte que la deuxième portion (8), et la portion courte (7) étant couplée à la fente (3) pour obtenir une polarisation circulaire.
  2. Antenne multigamme selon la revendication 1,
    dans laquelle la carte à circuits (1) doublée de cuivre présente une surface symétrique par rapport à son extension horizontale et verticale.
  3. Antenne multigamme selon la revendication 2,
    dans laquelle la surface présente la forme d'un carré ou d'un rectangle.
  4. Antenne multigamme selon l'une des revendications précédentes,
    dans laquelle la fente (3) est dirigée depuis le côté bord supérieur de la carte à circuits (1) vers le côté bord inférieur de la carte à circuits (1).
  5. Antenne multigamme selon l'une des revendications précédentes,
    dans laquelle la deuxième face (9) de la carte à circuits doublée de cuivre présente deux structures de radiocommunication mobile MIMO (10 ; 11) formées symétriquement et présente en outre trois lignes microrubans (12 ; 13 ; 14).
  6. Antenne multigamme selon la revendication 5,
    dans laquelle les structures de radiocommunication mobile MIMO (10 ; 11), réalisées symétriquement, sont reliées à des entrées respectives des première et deuxième lignes microrubans (12 ; 13), dont les sorties forment la première (15) et la deuxième (16) sortie pour la radiocommunication mobile, une extrémité (17) de la troisième ligne microruban (14) étant couplée à l'élément rayonnant à fente (6) en deux parties sur la première face (2) de la carte à circuits, et la deuxième extrémité (18) de la troisième ligne microruban (14) formant la sortie pour le service de navigation.
  7. Antenne multigamme selon la revendication 6,
    dans laquelle est prévu en supplément un amplificateur à faible bruit (21), et
    la deuxième extrémité (18) de la troisième ligne microruban (14) est connectée à l'entrée de l'amplificateur à faible bruit (21), dont la sortie (22) constitue la connexion pour le service de navigation.
  8. Antenne multigamme selon l'une des revendications précédentes,
    dans laquelle tous les composants électroniques éventuellement nécessaires, y compris l'amplificateur, sont disposés sur au moins une des faces de la carte à circuits.
  9. Antenne multigamme selon l'une des revendications précédentes,
    dans laquelle au moins l'une des faces de la carte à circuits présente un revêtement à coller sur une surface en matière plastique ou en verre.
  10. Antenne multigamme selon l'une des revendications 6 ou 7,
    dans laquelle les sorties de radiocommunication mobile (15, 16) et la sortie pour le service de navigation (18 ; 22) sont chacune réalisées sous forme de sortie coaxiale.
  11. Antenne multigamme selon l'une des revendications 6 ou 7,
    dans laquelle les sorties de radiocommunication mobile (15, 16) et la sortie pour le service de navigation (18 ; 22) sont chacune réalisées sous forme d'élément mâle ou d'élément femelle haute fréquence.
  12. Antenne multigamme selon l'une des revendications précédentes,
    dans laquelle la longueur de la fente (3) s'étendant de façon rectiligne est dans un rapport de 0,8 à 0,9 sur la largeur de la première face de la carte à circuits doublée de cuivre.
  13. Antenne multigamme selon l'une des revendications précédentes,
    dans laquelle les structures rayonnantes à fentes de radiocommunication mobile MIMO sont réalisées sous forme de structures rayonnantes à fentes en zigzag (23 ; 24).
  14. Antenne multigamme selon l'une des revendications précédentes,
    dans laquelle sont prévus en supplément des circuits d'adaptation des structures symétriques de radiocommunication mobile (10 ; 11), et les circuits d'adaptation sont réalisés sous forme de structures patch planes (19 ; 20) qui permettent un couplage aux structures sur la première face (2) de la carte à circuits doublée de cuivre.
EP19161779.4A 2018-03-13 2019-03-11 Antenne multibande pour un dispositif récepteur et/ou émetteur destinée à l'usage mobile, en particulier pour véhicules, constituée d'une carte de circuit imprimé à doublage en cuivre double face Active EP3540852B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202018101408 2018-03-13
DE202018101775.6U DE202018101775U1 (de) 2018-03-13 2018-03-29 Mehrbereichsantenne für eine Empfangs- und/oder Sendeeinrichtung für den mobilen Einsatz, insbesondere Fahrzeugen, bestehend aus einer beidseitig kupferkaschierten Leiterplatte

Publications (2)

Publication Number Publication Date
EP3540852A1 EP3540852A1 (fr) 2019-09-18
EP3540852B1 true EP3540852B1 (fr) 2021-05-05

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Application Number Title Priority Date Filing Date
EP19161779.4A Active EP3540852B1 (fr) 2018-03-13 2019-03-11 Antenne multibande pour un dispositif récepteur et/ou émetteur destinée à l'usage mobile, en particulier pour véhicules, constituée d'une carte de circuit imprimé à doublage en cuivre double face

Country Status (2)

Country Link
EP (1) EP3540852B1 (fr)
DE (1) DE202018101775U1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6664932B2 (en) 2000-01-12 2003-12-16 Emag Technologies, Inc. Multifunction antenna for wireless and telematic applications
CN101030672B (zh) * 2007-03-09 2014-09-24 清华大学 移动终端四天线系统
US8552913B2 (en) * 2009-03-17 2013-10-08 Blackberry Limited High isolation multiple port antenna array handheld mobile communication devices
GB2500209B (en) * 2012-03-13 2016-05-18 Microsoft Technology Licensing Llc Antenna isolation using a tuned ground plane notch
DE202014002207U1 (de) 2014-02-18 2014-04-09 Antennentechnik Abb Bad Blankenburg Gmbh Mehrbereichsantenne für eine Empfangs- und/oder Sendeeinrichtung für den mobilen Einsatz
KR102280159B1 (ko) * 2015-05-19 2021-07-22 엘지이노텍 주식회사 통신모듈 및 이를 포함하는 통신장치
EP3244486A1 (fr) * 2016-05-09 2017-11-15 Thomson Licensing Dispositif d'antenne permettant la coexistence de systèmes sans fil

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DE202018101775U1 (de) 2018-04-16
EP3540852A1 (fr) 2019-09-18

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