EP3232504B1 - Sehr breitbandiges dualpolarisiertes strahlendes element für eine basisstationsantenne - Google Patents

Sehr breitbandiges dualpolarisiertes strahlendes element für eine basisstationsantenne Download PDF

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Publication number
EP3232504B1
EP3232504B1 EP16164812.6A EP16164812A EP3232504B1 EP 3232504 B1 EP3232504 B1 EP 3232504B1 EP 16164812 A EP16164812 A EP 16164812A EP 3232504 B1 EP3232504 B1 EP 3232504B1
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EP
European Patent Office
Prior art keywords
radiating element
arms
parasitic
dipole
layer
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
EP16164812.6A
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English (en)
French (fr)
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EP3232504A1 (de
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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Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to EP20194951.8A priority Critical patent/EP3813192B1/de
Priority to EP16164812.6A priority patent/EP3232504B1/de
Priority to CN201780023220.8A priority patent/CN109075436B/zh
Priority to PCT/CN2017/080300 priority patent/WO2017177927A1/en
Publication of EP3232504A1 publication Critical patent/EP3232504A1/de
Application granted granted Critical
Publication of EP3232504B1 publication Critical patent/EP3232504B1/de
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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, a dual band radiating arrangement and 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.
  • US 6,342,866 B1 describes a wideband antenna system comprising a stack of antennas.
  • EP 2 378 610 A1 describes a dual polarization radiation unit and a planar dipole thereof.
  • WO 2014/009697 A1 describes an antenna comprising a substrate, an active element and a microstrip parasitic element.
  • CN 201421887 Y describes a low intermodulation printed circuit board antenna.
  • US 2015/0255873 A1 discloses a folded dipole antenna comprising a parasitic element arranged parallel to the dipole antenna.
  • the objective of the present invention is to provide a radiating element for a base station antenna, a dual band radiating arrangement and a base station antenna, which overcome 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 features according to claim 1, a dual band radiating arrangement comprising features according to claim 9 and a base station antenna comprising features according to claim 10.
  • the radiating element comprises: 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 each parasitic arm is capacitively coupled to at least one corresponding dipole arm and covers the whole area of the respective dipole arm.
  • 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 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, wherein the distance holder comprises or is crossed printed circuit boards, PCBs, perpendicular to the first and second layers of the radiating element, wherein each PCB of the crossed PCBs comprises a balun configured to galvanically connect a respective pair of dipole arms to ground and a microstrip line configured to feed the respective pair of dipole arms.
  • 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 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 microstrip line acts as a feeding transmission line for the dipole arms.
  • the balun may include a conductive surface on a side of the PCB opposite the microstrip line and its function is to convert the balanced signal of the dipole arms to the unbalanced signal in the feeding line, and vice versa.
  • 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 in front of 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 illustrative example 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 molded 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 illustrative example 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 illustrative example 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 illustrative example 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 illustrative example which includes as one part the radiating element of the first illustrative example.
  • the first radiating element is arranged inside a cup-shaped radiating element 20 of a lower frequency.
  • the radiating element of the first illustrative example 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 PCT patent application PCT/EP2016/057963 published as WO 2017/178037 A1 which is fully incorporated by reference.
  • the dual band radiating arrangement of the second illustrative example 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 illustrative example 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 illustrative example but the parasitic element includes a non-conductive interruption 40 within the solid area of conductive material.
  • the illustrative example 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 illustrative example 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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
  • Details Of Aerials (AREA)

Claims (10)

  1. Strahlelement für eine Basisstationsantenne, wobei das Strahlelement umfasst:
    eine Trägerstruktur,
    wenigstens ein Paar Dipolarme (2) in einer ersten Schicht der Trägerstruktur (4) und wenigstens zwei parasitische Arme (6) in einer zweiten Schicht der Trägerstruktur (4),
    wobei der Abstand zwischen der ersten und der zweiten Schicht zwischen 0,0004 und 0,1 der minimalen Wellenlänge des Betriebsfrequenzbandes des Strahlelements liegt, wobei jeder parasitische Arm kapazitiv mit wenigstens einem entsprechenden Dipolarm gekoppelt ist und die gesamte Fläche des jeweiligen Dipolarms bedeckt; wobei die parasitischen Arme (6) schweben,
    wobei die Trägerstruktur einen Abstandhalter mit einem Fuß zur Verbindung mit einem Reflektor (30) der Basisstationsantenne umfasst, wobei der Abstandhalter dafür ausgelegt ist, die Dipolarme (2) und die parasitischen Arme (6) in einem weiteren vordefinierten Abstand von dem Reflektor zu halten, wobei der Abstandhalter gekreuzte Leiterplatten, PCBs (Printed Circuit Boards), senkrecht zu der ersten und zweiten Schicht des Strahlelements umfasst, wobei jede PCB der gekreuzten PCBs eine Symmetrierschaltung (Balun) (12), die dafür ausgelegt ist, ein jeweiliges Paar von Dipolarmen (2) galvanisch mit Erde zu verbinden, und eine Mikrostreifenleitung (10), die dafür ausgelegt ist, das jeweilige Paar von Dipolarmen (2) zu speisen, umfasst.
  2. Strahlelement gemäß Anspruch 1,
    wobei die erste Schicht parallel zur zweiten Schicht ist.
  3. Strahlelement gemäß einem der vorhergehenden Ansprüche, wobei die Trägerstruktur (4) eine Leiterplatte, PCB, umfasst und wobei die Dipolarme (2) in einer Schicht der PCB angeordnet sind und die parasitischen Arme (6) in einer anderen Schicht derselben PCB angeordnet sind.
  4. Strahlelement gemäß Anspruch 1 oder 2, wobei die Trägerstruktur (4) einen dreidimensionalen spritzgegossenen Schaltungsträger, MID (Molded Interconnected Device), umfasst, wobei die Dipolarme (2) durch eine erste Metallisierung auf dem MID und die parasitischen Arme durch eine zweite Metallisierung auf dem MID gebildet sind, wobei die erste Metallisierung und die zweite Metallisierung einander gegenüberliegen.
  5. Strahlelement gemäß Anspruch 1 oder 2, wobei die Dipolarme (2) durch einen ersten Satz von Metallfolien und die parasitischen Arme (6) durch einen zweiten Satz von Metallfolien gebildet werden, die in einem Abstand zum ersten Satz von Metallfolien angeordnet sind.
  6. Strahlelement gemäß einem der vorhergehenden Ansprüche, das ein oder mehrere zusätzliche parasitische Elemente außerhalb der Fläche der Dipolarme (2) und galvanisch isoliert von den wenigstens zwei parasitischen Armen (6) umfasst, wobei die zusätzlichen parasitischen Elemente (44) in der ersten, der zweiten oder einer beliebigen anderen Schicht des Strahlelements angeordnet sind.
  7. Strahlelement gemäß einem der vorhergehenden Ansprüche, wobei die wenigstens zwei parasitischen Arme (6) jeweils eine Vollfläche aus leitendem Material aufweisen.
  8. Strahlelement gemäß einem der vorstehenden Ansprüche, wobei das Betriebsfrequenzband in einem Bereich von 1,4 GHz bis 2,7 GHz liegt.
  9. Zweiband-Strahlanordnung, umfassend ein erstes Strahlelement gemäß einem der vorhergehenden Ansprüche und ein zweites Strahlelement (20), wobei das erste ein Betriebsfrequenzband aufweist und das zweite Strahlelement (20) ein Betriebsfrequenzband, das niedriger als das Betriebsfrequenzband des ersten Strahlelements ist, aufweist, wobei das zweite Strahlelement (20) becherförmig und dafür ausgelegt ist, als Unterreflektor für das erste Strahlelement zu wirken, wobei das erste Strahlelement innerhalb des zweiten Strahlelements (20) angeordnet ist und wobei das zweite Strahlelement (20) dafür ausgelegt ist, durch die gekreuzten Leiterplatten (8) gespeist zu werden.
  10. Basisstationsantenne, umfassend:
    einen Reflektor (30); und
    ein Strahlelement gemäß einem der Ansprüche 1 bis 8 und/oder eine Zweiband-Strahlanordnung gemäß Anspruch 9;
    wobei das Strahlelement und/oder die Zweiband-Strahlanordnung vor dem Reflektor (30) so angeordnet sind, dass die Dipolarme (2) und die parasitischen Arme (6) in vorgegebenen Abständen zum Reflektor (30) angeordnet sind.
EP16164812.6A 2016-04-12 2016-04-12 Sehr breitbandiges dualpolarisiertes strahlendes element für eine basisstationsantenne Active EP3232504B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20194951.8A EP3813192B1 (de) 2016-04-12 2016-04-12 Sehr breitbandiges dualpolarisiertes strahlendes element für eine basisstationsantenne
EP16164812.6A EP3232504B1 (de) 2016-04-12 2016-04-12 Sehr breitbandiges dualpolarisiertes strahlendes element für eine basisstationsantenne
CN201780023220.8A CN109075436B (zh) 2016-04-12 2017-04-12 用于基站天线的超宽带双极化辐射元件
PCT/CN2017/080300 WO2017177927A1 (en) 2016-04-12 2017-04-12 Ultra broad band dual polarized radiating element for a base station antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16164812.6A EP3232504B1 (de) 2016-04-12 2016-04-12 Sehr breitbandiges dualpolarisiertes strahlendes element für eine basisstationsantenne

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EP3232504A1 EP3232504A1 (de) 2017-10-18
EP3232504B1 true EP3232504B1 (de) 2020-09-09

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EP16164812.6A Active EP3232504B1 (de) 2016-04-12 2016-04-12 Sehr breitbandiges dualpolarisiertes strahlendes element für eine basisstationsantenne

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EP3411922B1 (de) 2016-10-20 2023-12-06 Huawei Technologies Co., Ltd. Integrierte filtrierung von bandsperre in einem antennenelement
CN110235306B (zh) 2016-12-06 2020-12-25 华为技术有限公司 双频带天线元件和基站
CN110959228A (zh) * 2017-10-12 2020-04-03 华为技术有限公司 用于偶极的副反射器和馈电器件
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CN108682950B (zh) * 2018-06-25 2023-10-31 佛山市粤海信通讯有限公司 一种5g壁挂天线
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CN111755806A (zh) * 2019-03-29 2020-10-09 康普技术有限责任公司 用于天线的辐射器和基站天线
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