EP3813192B1 - Élément rayonnant à double polarisation et bande ultra large pour antenne de station de base - Google Patents

Élément rayonnant à double polarisation et bande ultra large pour antenne de station de base Download PDF

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Publication number
EP3813192B1
EP3813192B1 EP20194951.8A EP20194951A EP3813192B1 EP 3813192 B1 EP3813192 B1 EP 3813192B1 EP 20194951 A EP20194951 A EP 20194951A EP 3813192 B1 EP3813192 B1 EP 3813192B1
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EP
European Patent Office
Prior art keywords
radiating element
arms
parasitic
dipole
layer
Prior art date
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Application number
EP20194951.8A
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German (de)
English (en)
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EP3813192A1 (fr
Inventor
Juan Segador Alvarez
Ignacio Gonzalez
Tao TANG
Bruno BISCONTINI
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to EP20194951.8A priority Critical patent/EP3813192B1/fr
Publication of EP3813192A1 publication Critical patent/EP3813192A1/fr
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Publication of EP3813192B1 publication Critical patent/EP3813192B1/fr
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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
    • H01Q1/36—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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/108—Combination of a dipole with a plane reflecting surface
    • 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
    • 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
    • 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
    • H01Q5/378—Combination of fed elements with parasitic elements
    • H01Q5/385—Two or more parasitic elements
    • 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
    • H01Q9/06—Details
    • H01Q9/065—Microstrip dipole antennas
    • 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
    • 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

Definitions

  • the present invention relates to a radiating element for a base station antenna.
  • Ultra broad band base station antenna systems typically operate in the 690-960 MHz ("Low Band” - LB), 1.427-2.4 GHz (“Middle Band” - MB) and 1.7-2.7 GHz (“High Band” - HB) spectrum which includes most cellular network frequency bands used today.
  • Radios e.g. Active Antenna Systems (AAS)
  • AAS Active Antenna Systems
  • the coexistence of multiple LB, MB and HB is preferred.
  • the radiating elements design for the LB, MB and HB is the radiating elements design for the LB, MB and HB. Ideally they should be electrically invisible to each other. From this perspective the physical dimensions of the radiating elements are one of the dominating factors.
  • the MB frequency range (1.427 GHz - 2.4 GHz) is approximately double the LB frequency range (690 - 960 MHz), therefore a dipole designed to work in the MB will probably resonate and behave as a monopole in the LB, generating unwanted effects and degrading the performance of the antenna in the LB frequency band.
  • CN 103872435 A describes a broadband radiation unit which comprises a plurality of radiation pieces, a plurality of parasitic pieces, a supporting base and two feed bodies.
  • the radiation pieces are the same as the parasitic pieces in number; the radiation pieces are installed on the supporting base at intervals; the parasitic pieces are installed on the radiation pieces; and each radiation piece is flush with the corresponding parasitic piece.
  • the peripheries of the radiation pieces and the parasitic pieces are arced; an interval is formed between each radiation piece and the corresponding parasitic piece; and every two radiation pieces are opposite. Every two opposite radiation pieces form a set of vibrators, and the feed bodies are inserted into the supporting base in a penetrating mode.
  • the objective of the present invention is to provide a radiating element for a base station antenna according to the independent claim, which overcomes one or more of the above-mentioned problems of the prior art.
  • a first aspect of the invention provides a radiating element for a base station antenna, the radiating element comprising: a support structure, at least a pair of dipole arms in a first layer of the support structure, and at least two parasitic arms in a second layer of the support structure, wherein the distance between the first and the second layer is between 0.0004 and 0.1, preferably between 0.002 and 0.02, of the minimum wavelength of the operating frequency band of the radiating element, wherein the area of the parasitic arms in a projection perpendicular from the second to the first layer cover at least 60% of the areas of the at least one pair of dipole arms.
  • the parasitic arms which are formed of a conductive material, arranged in the determined distance with respect to the dipole arms have the technical effect that for the given operating frequency, the total length of the dipole arms can be reduced.
  • the total dimension of the radiating element in the direction alongside to the dipole arms is decreased with respect to prior art devices. This, for instance, allows to arrange the radiating element in a second radiating element of a lower frequency band to provide a dual-band radiating arrangement in a reduced spatial configuration.
  • the parasitic arms are arranged DC/galvanically isolated from the dipole arms. Each parasitic arms is capacitively coupled to at least one corresponding dipole arm.
  • the parasitic arms are floating.
  • the parasitic arms hence act effectively as an extension for the dipole arms, which decreases the total length of the dipole arms for a given operating frequency.
  • the support structure comprises a distance holder with a foot for connecting to a reflector of the base station antenna, wherein the distance holder is configured to hold the dipole arms and the parasitic arms at a further predefined distance from the reflector.
  • the support structure including the foot for connecting to a reflector of a base station provides the effect that the dipole arms and the parasitic arms are arranged in a predefined distance to the reflector of the base station antenna.
  • the distance holder comprises crossed printed circuit boards, PCBs, perpendicular to the first and second layers of the radiating element.
  • Each PCB of the crossed PCBs comprises: a balun comprising a metalized surface configured to galvanically connect in two points to a respective pair of dipole arms to provide a galvanic connection of the dipole arms to ground and a capacitive feeding to the dipole arms, and a microstrip line configured to feed the respective pair of dipole arms.
  • the metalized surface is on a side opposing a side of the microstrip line of the PCB.
  • the microstrip line of this implementation acts as a feeding transmission line for the dipole arms.
  • the metalized surface converts the balanced signal of the dipole arms to the unbalanced signal in the feeding line, and vice versa.
  • the first layer is parallel to the second layer.
  • the distance between the first and second layer which defines the distance between the dipole arms and the parasitic arms in each location can vary within the limits provided according to the first aspect.
  • keeping the first layer parallel to the second layer, i.e. the parasitic arms and the dipole arms have a constant vertical distance is preferred because this configuration can be easily manufactured.
  • the first and second layer may be parallel layers in a continuous support structure of an isolating material.
  • the support structure comprises a printed circuit board, PCB, and the dipole arms are disposed in a layer of the PCB, and the parasitic arms are disposed in another layer of the same PCB.
  • the support structure is formed by a PCB which can be manufactured cost-efficiently.
  • the first and second layers may be arranged on opposing sides of the PCB. Alternatively, one or more of the first and second layers may also be arranged in an intermediate layer of the PCB.
  • the support structure comprises or is a molded interconnected device, MID, wherein the dipole arms are formed by a first metallization on the MID and the parasitic arms are formed by a second metallization on the MID, wherein the first metallization and the second metallization are opposite to each other.
  • a support structure out of a MID can also be manufactured cost-efficiently.
  • the metallization which forms the dipole arms and parasitic arms, respectively, may also be arranged in parallel layers such as the top and bottom side of a plan MID plate.
  • the dipole arms are formed by a first set of metal sheets and the parasitic arms are formed by a second set of metal sheets arranged in the distance to the first set of metal sheets.
  • the parasitic arms and dipole arms are made of metal sheets which may be separated by an insulating material. This construction also allows to arrange the parasitic arms and the dipole arms in parallel layers on a support structure which may include any insulating material. In this construction it is not necessary that the insulating material of the support structure is continuously between the parasitic arms and the dipole arms as far as the distance of the first and second layer is within the previously defined limits.
  • the radiating element comprises one or more additional parasitic elements outside the area of the dipole arms and galvanically isolated from the at least two parasitic arms, wherein the additional parasitic elements are arranged in the first, the second or any other layer of the radiating element. Additional parasitic elements outside the area of the dipole arms allow to further decrease the total length of the dipole arms. The additional parasitic elements are also floating and may therefore reduce the total length of the radiating element, i.e. the total length of the dipole arms plus the length added by of the additional parasitic elements arranged outside the dipole arms.
  • the additional parasitic elements may be arranged on any layer of the radiating element, preferably, the parasitic elements are arranged in the first or second layer or on any intermediate layer between the first and second layer. With the additional parasitic elements, in a layer within the predefined distance of the first and second layer, the additional parasitic elements act most efficiently to reduce the length of the dipole arms.
  • the at least two parasitic arms each includes a solid area of conductive material.
  • the parasitic arms of a solid area of conductive material are most efficiently for reducing the total length of the dipole arms.
  • the area of the conductive material of the parasitic arms may also include non-conductive interruptions. The non-conductive interruptions may affect the radiating characteristics of the radiating element only in a small amount such that the effect of reducing the length of the radiating elements is still provided.
  • the preferred predefined distance of the dipole arms and the parasitic arms from the reflector in order to keep low profile characteristics and still good RF performance should stay in the range of 0.15 to a quarter wavelength at the central operating frequency.
  • the reflector may act as a reflector for multiple radiating elements in the base station antenna.
  • the feet integrated in the support structure allows to easily connect the radiating elements to the reflector.
  • the feet may also include electrical circuitries, in particular a feeding system for the radiating element.
  • the operating frequency band is in a range from 1.4 GHz to 2.7 GHz. This operating frequency is preferred because it allows to arrange the radiating element of this implementation into a further radiating element which operates in the low band, i.e. in the range from 690 MHz to 960 MHz.
  • a second aspect of the invention refers to a dual band radiating arrangement of at least first and second radiating elements, the first radiating element according to any implementation of the first aspect having an operating frequency band and the second radiating element having an operating frequency band lower than the operating frequency band of the first radiating element, wherein the first radiating element is arranged inside the second radiating element.
  • the dual band radiating arrangement according to this aspect has the benefit that the two radiating elements of different bands can be arranged to occupy only a minimum space. This is a particular advantage for the construction of base station antennas which are typically operated in at least two frequency bands such as a first band is covered by the first radiating element and the second band is covered by the second radiating element. As the second radiating element for the lower frequency is necessarily bigger in size, it is an advantage that the radiating element for the upper band can be arranged inside the radiating element for the lower band.
  • a third aspect of the invention refers to a base station antenna comprising: a reflector; at least a radiating element of any of the implementations of the first aspect and/or a dual band radiating element according to the second aspect; wherein the radiating element and/or dual band radiating element is arranged before the reflector so that the dipole arms and the parasitic arms are arranged at predefined distances to the reflector.
  • the base station antenna of this aspect may include a plurality of radiating elements and/or dual band radiating elements which are all arranged in the predefined distance to a single reflector.
  • FIGs 1 to 5 a first embodiment of a radiating element is described.
  • the radiating element includes two pairs of dipole arms 2 which are capable of radiating in perpendicular polarizations.
  • the dipole arms 2 are arranged on a top surface of a supporting structure which includes in this embodiment a printed circuit board, PCB, 4.
  • the dipole arms 2 are electromagnetically coupled to (but galvanically/DC isolated from) parasitic arms 6 which include a layer of a conductive material and are arranged on the opposing side of the PCB 4.
  • the shape of the parasitic arms is arbitrary but preferably covers the whole area of the respective dipole arms 2.
  • the parasitic arms are arranged on the bottom layer of the PCB and the dipole arms 2 are arranged on the top layer of the PCB 4.
  • the dipole arms and the parasitic arms may also be arranged in other layers (top layer, bottom layer or intermediate layer) of a support structure such as a PCB or a modelled interconnected device, MID.
  • the dipole arms 2 have a curved profile as shown in FIG. 1 .
  • Other geometries are possible.
  • the parasitic arms 6 are floating, i.e. they are galvanically disconnected from the ground and also from any other signal feed.
  • the dipole arms 2 are dipole feet 8 which in the present embodiment are formed by two PCBs stacked together.
  • the dipole feet 8 of each PCB includes a microstrip line 10 which capacitvely feeds the respective pair of dipole arms 2. Moreover, on the side opposing the side of the microstrip line 10 of the PCB of the dipole foot 8, the surface is metallized to form a balun structure 12.
  • the electrical balun structure 12 is realized by capacitively or as shown in the embodiment galvanically connecting the metallized surface in two points to the dipole arms 2. This allows an additional tuning of the resonance frequency of the dipole arms 2.
  • the dipole feet 8 provides a capacitive feeding to the dipole arms 2 and furthermore a galvanic connection of the dipole arms 2 to ground.
  • a further feeding PCB 4 is arranged to serve as an interface between the microstrip lines 10 and antenna feeding network and to provide a mechanical support for the radiating element.
  • the relationship between the dipole arms 2 and the coupled parasitic arms 6 are defined as follows: the projection of the dipole arm 2 over the parasitic arm 6 should overlap at least 60% of the surface of the dipole arm 2.
  • the parasitic arm layer should be below the dipole arms at a distance between 0.0004 and 0.1 of the minimum wavelength of the operating frequency band of the radiating element, preferably between 0.002 and 0.02 of the minimum wavelength.
  • the distance may be constant as shown in the first embodiment as the layer of the dipole arms and the layer of the parasitic arms are parallel. However, in other embodiments, the distance may also vary within the given limits.
  • the length and area of the parasitic arms 6 determines the bandwidth and the resonance frequency of the radiating element.
  • the parasitic arms 6 can have an arbitrary shape, but preferably the parasitic arms are solid. There are at least two parasitic arms 6 per dipole but other embodiments are not limited to only two parasitic arms per dipole. Additional parasitic arms can be used for further increasing the operational bandwidth of the dipole.
  • the radiating element as described above is intended to work in a multiband architecture which will be described in the context of FIGs 5 and 6 .
  • FIGs 5 and 6 depict of a multiband arrangement of a second embodiment which includes as one part the radiating element of the first embodiment.
  • the first radiating element is arranged inside a cup-shaped radiating element 20 of a lower frequency.
  • the radiating element of the first embodiment may operate in the middle band while the second radiating element 20 of the dual band radiating arrangement operates in the low band. Further details regarding the second radiating element 20 of the low band are described in the parallel pending PCT patent application PCT/EP2016/057963 which is fully incorporated by reference.
  • the dual band radiating arrangement of the second embodiment is optimized for the available space as the radiating element for the middle band is arranged inside the radiating element 20 of the low band.
  • the lower frequency radiating element 20 acts as a sub reflector for the first radiating element arranged inside the lower frequency radiating element.
  • an orthogonal PCB of the lower band radiating element is capacitively coupled to a lower plane of the lower frequency radiating element 20.
  • the combined radiating element is fed also through the crossed PCBs 8 which also forms the feet of the first radiating element. Further details are described in the mentioned parallel pending PCT patent application PCT/EP2016/057963
  • the base station antenna includes a reflector 30 and a plurality of radiating elements. Along a centreline of the reflector 30, first radiating elements and dual band radiating elements according to the second embodiments are arranged. Moreover, a third type of radiating elements are arranged on the longitudinal sides of the reflector 30. The third type of radiating elements have an operating band of the high band, i.e. from 1710 to 2690 Mhz.
  • the total arrangement of the base station antenna is spatially optimized as the radiating elements of the low band and the middle band are embodied in part by dual band radiating elements as described before. All radiating elements act with the same reflector 30.
  • FIG. 8a shows a radiating element similar to the first embodiment but the parasitic element includes a non-conductive interruption 40 within the solid area of conductive material.
  • the embodiment of FIG. 8 b includes two parasitic arms 42 for each dipole arm. The amount of the area of the two parasitic arms 42 cover at least 60% of the area of the dipole arm.
  • the embodiment of FIG. 8c includes additional parasitic elements 44.
  • the additional parasitic elements 44 are arranged on the top side of the PCB in the same layer of the dipole arms 2.
  • the additional parasitic elements 42 further increase the operational band frequency of the dipole.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)

Claims (10)

  1. Élément rayonnant pour une antenne de station de base, l'élément rayonnant comprenant :
    une structure de support,
    au moins une paire de bras de dipôle (2) dans une première couche de la structure de support (4), et
    au moins deux bras parasites (6) dans une deuxième couche de la structure de support (4),
    dans lequel la distance entre la première et la deuxième couche est comprise entre 0,0004 et 0,1 de la longueur d'onde minimale de la bande de fréquences de fonctionnement de l'élément rayonnant,
    dans lequel la zone des bras parasites dans une projection perpendiculaire de la deuxième à la première couche couvre au moins 60 % des zones de l'au moins une paire de bras de dipôle (2),
    chaque bras parasite est couplé capacitivement à au moins un bras de dipôle correspondant ;
    les bras parasites (6) sont flottants, et
    la structure de support comprend un élément de maintien de distance avec un pied destiné à être connecté à un réflecteur (30) de l'antenne de station de base, l'élément de maintien de distance étant configuré pour maintenir les bras de dipôle (2) et les bras parasites (6) à une distance supplémentaire prédéfinie du réflecteur,
    caractérisé en ce que l'élément de maintien de distance comprend des cartes à circuit imprimé, PCB, croisées (8) perpendiculaires aux première et deuxième couches de l'élément rayonnant, dans lequel chaque PCB des PCB croisées comprend :
    un symétriseur (12) comprenant une surface métallisée, le symétriseur (12) étant configuré pour se connecter en deux points à chacun d'une paire respective de bras de dipôle (2) pour assurer une connexion galvanique pour chacun des bras de dipôle (2) à la terre et une alimentation capacitive aux bras de dipôle (2), et
    une ligne microruban (10) configurée pour alimenter la paire respective de bras de dipôle (2),
    dans lequel la surface métallisée est sur un côté opposé à un côté de la ligne microruban (10) de la PCB.
  2. Élément rayonnant selon la revendication 1,
    dans lequel la première couche est parallèle à la deuxième couche.
  3. Élément rayonnant selon la revendication 1 ou 2, dans lequel la structure de support (4) comprend une autre carte de circuit imprimé, PCB, et dans lequel les bras de dipôle (2) sont disposés dans une couche de l'autre PCB, et les bras parasites (6) sont disposés dans une autre couche de la même PCB.
  4. Élément rayonnant selon la revendication 1 ou 2, dans lequel la structure de support (4) comprend ou est un dispositif interconnecté moulé, MID, dans lequel les bras de dipôle (2) sont formés par une première métallisation sur le MID et les bras parasites sont formés par une seconde métallisation sur le MID, la première métallisation et la seconde métallisation étant opposées l'une à l'autre.
  5. Élément rayonnant selon la revendication 1 ou 2, dans lequel les bras de dipôle (2) sont formés par un premier ensemble de feuilles métalliques et les bras parasites (6) sont formés par un second ensemble de feuilles métalliques agencé à distance du premier ensemble de feuilles métalliques.
  6. Élément rayonnant selon l'une quelconque des revendications précédentes comprenant un ou plusieurs éléments parasites supplémentaires en dehors de la zone des bras de dipôle (2) et isolés galvaniquement des au moins deux bras parasites (6), dans lequel les éléments parasites supplémentaires (44) sont agencés dans la première, la deuxième ou n'importe quelle autre couche de l'élément rayonnant.
  7. Élément rayonnant selon l'une quelconque des revendications précédentes, dans lequel les au moins deux bras parasites (6) comprennent chacun une zone solide de matériau conducteur.
  8. Élément rayonnant selon l'une quelconque des revendications précédentes, dans lequel la bande de fréquences de fonctionnement est comprise dans une plage de 1,4 GHz à 2,7 GHz.
  9. Agencement rayonnant double bande comprenant un premier élément rayonnant selon l'une quelconque des revendications précédentes et un deuxième élément rayonnant (20), le premier élément rayonnant ayant une bande de fréquences de fonctionnement et le deuxième élément rayonnant (20) ayant une bande de fréquences de fonctionnement inférieure à la bande de fréquences de fonctionnement du premier élément rayonnant, dans lequel le deuxième élément rayonnant (20) est en forme de coupelle et est configuré pour faire office de sous-réflecteur du premier élément rayonnant, le premier élément rayonnant est agencé à l'intérieur du deuxième élément rayonnant (20) et le deuxième élément rayonnant (20) est configuré pour être alimenté par l'intermédiaire des PCB croisées (8).
  10. Antenne de station de base comprenant :
    un réflecteur (30) ; et
    au moins un élément rayonnant selon l'une quelconque des revendications 1 à 8 et/ou un élément rayonnant double bande selon la revendication 9 ;
    dans laquelle l'élément rayonnant et/ou l'élément rayonnant double bande est agencé devant le réflecteur (30) de telle sorte que les bras de dipôle (2) et les bras parasites (6) soient agencés à des distances prédéfinies par rapport au réflecteur (30).
EP20194951.8A 2016-04-12 2016-04-12 Élément rayonnant à double polarisation et bande ultra large pour antenne de station de base Active EP3813192B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20194951.8A EP3813192B1 (fr) 2016-04-12 2016-04-12 Élément rayonnant à double polarisation et bande ultra large pour antenne de station de base

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16164812.6A EP3232504B1 (fr) 2016-04-12 2016-04-12 Élément rayonnant à double polarisation et bande ultra large pour antenne de station de base
EP20194951.8A EP3813192B1 (fr) 2016-04-12 2016-04-12 Élément rayonnant à double polarisation et bande ultra large pour antenne de station de base

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EP3813192A1 EP3813192A1 (fr) 2021-04-28
EP3813192B1 true EP3813192B1 (fr) 2022-09-28

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EP16164812.6A Active EP3232504B1 (fr) 2016-04-12 2016-04-12 Élément rayonnant à double polarisation et bande ultra large pour antenne de station de base
EP20194951.8A Active EP3813192B1 (fr) 2016-04-12 2016-04-12 Élément rayonnant à double polarisation et bande ultra large pour antenne de station de base

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EP (2) EP3232504B1 (fr)
CN (1) CN109075436B (fr)
WO (1) WO2017177927A1 (fr)

Families Citing this family (14)

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Publication number Priority date Publication date Assignee Title
WO2018072827A1 (fr) 2016-10-20 2018-04-26 Huawei Technologies Co., Ltd. Filtrage intégré pour rejet de bande dans un élément d'antenne
WO2018103822A1 (fr) 2016-12-06 2018-06-14 Huawei Technologies Co., Ltd. Élément d'antenne à double bande et station de base
EP3692603B1 (fr) * 2017-10-12 2023-12-27 Huawei Technologies Co., Ltd. Sousréflecteur et dispositif d'alimentation pour un dipôle
CN110416704B (zh) * 2018-04-26 2023-07-25 普罗斯通信技术（苏州）有限公司 一种天线辐射单元及宽频天线
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CN109075436B (zh) 2021-06-08
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EP3232504A1 (fr) 2017-10-18
CN109075436A (zh) 2018-12-21
EP3813192A1 (fr) 2021-04-28

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