EP2005522B1 - Duale polarisierte breitband-basisstationsantenne - Google Patents

Duale polarisierte breitband-basisstationsantenne Download PDF

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Publication number
EP2005522B1
EP2005522B1 EP07754157.1A EP07754157A EP2005522B1 EP 2005522 B1 EP2005522 B1 EP 2005522B1 EP 07754157 A EP07754157 A EP 07754157A EP 2005522 B1 EP2005522 B1 EP 2005522B1
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EP
European Patent Office
Prior art keywords
dipole
paired
ground plane
strip conductor
antenna
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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.)
Not-in-force
Application number
EP07754157.1A
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English (en)
French (fr)
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EP2005522A2 (de
EP2005522A4 (de
Inventor
Gang Yi Deng
John J. Dickson
Tim Gossard
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Intel Corp
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Intel Corp
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Publication of EP2005522A4 publication Critical patent/EP2005522A4/de
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Publication of EP2005522B1 publication Critical patent/EP2005522B1/de
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    • 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
    • H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
    • 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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/001—Crossed polarisation dual antennas

Definitions

  • the present invention relates to antennas for receiving and/or transmitting electromagnetic signals. More particularly, the present invention relates to base station antennas for wireless communication systems.
  • transmission is performed with one polarization and reception is performed with an orthogonal polarization in order to provide isolation between the transmitted and received signals.
  • electromagnetic energy is received on both polarizations and the signals are combined to increase the signal-to-noise ratio, providing polarization diversity gain.
  • a diversity technique requires at least two signal paths that carry the same information but have uncorrelated multi-path fadings.
  • Several types of diversity reception are used in base stations, including space diversity, direction diversity, polarization diversity, frequency diversity and time diversity.
  • Polarization diversity uses orthogonal polarization to provide uncorrelated paths.
  • the sense or direction of linear polarization of an antenna is measured from a fixed axis and can vary, depending on system requirements. In particular, the sense of polarization can range from vertical polarization (0 degrees) to horizontal polarization (90 degrees).
  • dual polarized antenna assembly When an antenna assembly receives or transmits signals with two normally orthogonal polarizations, such an antenna assembly is referred to as dual polarized antenna assembly.
  • dual polarized antennas must meet a certain port-to-port isolation specification. There is a need for improved port-to-port isolation in dual polarized antennas.
  • US 6822618 B2 discloses a dual polarized folded dipole arrangement combined into radiating modules.
  • a radiating module comprises radiating sections arranged in a circular "box” configuration around a central region.
  • a “square” “box” configuration is also disclosed.
  • US2004/252071 discloses a box-type dipole assembly that may be constructed to include four dipoles arranged to form a square (i.e., a box) with the opposing ends of each dipole meeting at the corner of the formed square.
  • WO02/50945 discloses box-type radiating element(s) having eight dipole radiating elements which are arranged in the form of a dipole square, and are held via so-called balancing devices, at least some of which run to a common center point, and are attached to an electrically conductive reflector.
  • WO01/069714 discloses box-type radiating element(s).
  • the radiating elements comprise two pairs of parallel dipoles which are arranged in a dipole square.
  • the dipole pairs are supported and held via a balancing arrangement which extend from a base and anchoring area on the reflector.
  • WO99/62139 discloses a radiating element comprising four dipoles arranged in a cruciform shape (cruciform dipoles) or double-dipole arrangements which have a square structure in plan view.
  • the dipoles are mechanically held via a so-called balancing device with respect to a conductive reflector located behind it.
  • a supply network may be located on the rear face of the reflector, via which the first and the second radiating element modules are electrically connected, separately.
  • US 2005/231437 Al discloses a dual band doublet antenna formed by a first and second dipole antenna each having a radiating element and a ground portion and a coaxial feed line coupled to the dipole antennas through welding holes.
  • US6529 172 B2 discloses four radiating elements that are arranged in a generally square or box-like configuration.
  • the four radiating elements are substantially identical with each radiator formed from a non conductive sheet material with a thin layer of metal or other conductive material on one or both sides.
  • US 6313809 B1 discloses a dual-polarized dipole antenna.
  • Four dipoles are configured to provide +/-45 polarization. Feeding of these dipoles is accomplished by a pair of complex balun structures with interconnecting bridges which provide 180 degree offset needed to achieve +/- 45 radiation polarization.
  • EP0994524 A1 discloses an antenna array comprising of radiating elements is disclosed. Each dipole includes two half dipoles.
  • GB 1398262 A discloses an aerial arrangement including a corrugated electrically conductive plate, wherein pockets are formed that delay the phase of waves being diffracted from the dipole array.
  • US 2005219140 A1 discloses an antenna comprising a feed harness and pairs of radiating elements creating radiating dipole fields.
  • the present invention provides a dual polarized broadband base station antenna assembly comprising at least one dual polarized radiation element comprising a square arrangement of plural radiating elements, wherein the plural radiating elements form paired dipoles.
  • the square arrangement of plural radiating elements provides better than 30dB isolation between the polarization channels.
  • Each radiating element comprises a dipole antenna, and the antenna assembly further includes a ground plane wherein each dipole antenna projects outwardly from the ground plane.
  • Each paired dipole comprises a pair of radiating elements with radiating arms in parallel configuration, wherein a common feed line pattern provides a common input to the paired dipole.
  • each radiation element includes two paired dipoles in a box configuration, wherein each paired dipole comprises a pair of radiating elements in parallel configuration, each paired dipole having a common feed line
  • the radiating elements can be oriented such that one paired dipole provides +45° polarization and another paired dipole provides -45° polarization.
  • the communication means is configured for operating in the 806 to 960 MHz frequency band, or in the 380 to 470 MHz frequency band, or in the 1710 to 2170 MHz frequency band, or in one or more of 380 to 470 MHz, 806 to 960 MHz, and 1710 to 2170 MHz frequency bands.
  • the communication means is configured for operating in one or more of 2.3 GHz, 2.4GHz, 2.5 GHz, 3.5 GHz and 5.8 GHz frequency bands.
  • the present invention provides a dual polarized broadband base station antenna assembly for wireless communication systems.
  • the antenna assembly employs a dual polarized boxed arrangement radiation element with improved isolation between polarization channels.
  • the box arrangement (box configuration) provides improved port-to-port isolation (isolation between polarization channels), wherein in one embodiment the isolation level is better than 30dB.
  • the radiation element includes plural dipole antennas, wherein each dipole antenna has a paired strips line feed. The microstrip to paired strips line transition is very broad band.
  • the boxed shape arrangement improves the isolation dramatically.
  • Such antenna design may be used for a "cellular" frequency band e.g. 806 - 960 MHz. Alternatively, the same design may operate at e.g. the 380 - 470 MHz band.
  • Another band is e.g. 1710 - 2170 MHz.
  • the antenna design may also be employed in a number of other frequency bands as well, such as WiMax 2.3 GHz, 2.5 GHz, 3.5 GHz, WiFi 2.4GHz, 5.8 GHz frequency bands, etc.
  • Fig. 1a shows an example dual polarized boxed arrangement radiation element 1 with mirrored dipoles, for use in a dual polarized antenna with isolation between polarization channels according to the present invention.
  • the radiation element 1 comprises plural dipole antennas (radiating elements) 10 arranged in a general square configuration to provide a boxed arrangement ( Fig. 1a ).
  • the radiation element 1 comprises four dipole antennas 10.
  • each dipole antenna 10 includes two arms (radiating members) 18, 20, a ground plate 12 and two electrical conductors/legs 14 and 16.
  • Fig. 1b shows an isometric view of a single dipole antenna 10.
  • the arms 18. 20 can be straight or curved.
  • the conductor 16 is attached to ground using the plate 12, with a dipole arm 18 ( Fig. 1d ) towards one side, while the other conductor 14 is spaced to the ground by a dielectric, such as air, foam, etc., with a dipole arm 20 ( Fig. 1c ) towards the opposite side of dipole arm 18, therefore forming a dipole configuration.
  • Each dipole arm forms a radiating section.
  • the conductor 14 and dipole arm 20 are formed/stamped from a sheet of conductive material, forming an L-shape. Further, the conductor 16 and dipole arm 18 are formed/stamped from a sheet of conductive material, forming an L-shape.
  • the input conductors 14 and 16 are separated by a gap 22 (e.g., Fig. 8a ).
  • the conductor 14 connects a part of the dipole arm 20 to a feed line 24 and the conductor 16 connects a part of the dipole arm 18 to ground via the plate 12.
  • the conductors 14 and 16 form a paired strips transmission line having an impedance.
  • the arms 18, 20 also have an impedance.
  • the impedance of the paired strips transmission line 14, 16, is adjusted by varying the width of conductor sections 14, 16 and/or the gap 22 therebetween.
  • the specific dimensions vary with the application.
  • the impedance of the corresponding feed section is adjusted to match the intrinsic input impedance of each dipole.
  • the two conductor sections 14, 16 of the dipole antenna form a balanced paired strips transmission line; therefore, it is unnecessary to provide a balun.
  • This provides the antenna 10 with a very wide impedance bandwidth. Also, the antenna 10 has a stable far-field pattern across the impedance bandwidth.
  • Fig. 1d shows the dipole arm 18 that can be attached to a ground plane via the plate 12 and Fig. 1c shows the dipole arm 20 with the microstrip feed line 24 attached.
  • the feed line 24 (and its extension feed line 11A or 11 B) comprises a microstrip feed line spaced from the ground plane by non-conductor such as air dielectric (e.g., 31 in Fig. 9 ).
  • a similar spacing mechanism can be used for spacing the conductor 14 from the ground plane 5.
  • the impedance of the microstrip line is adjusted by varying the width of the line 24, and/or the space between the microstrip line to the ground plane.
  • the feed line 24 is shown as a unitary element of the conductor 14.
  • the conductor section 16 can be connected to the ground plane by any suitable fastening device such as a nut and bolt, a screw, a rivet, or any suitable fastening method including soldering, welding, etc.
  • suitable fastening device such as a nut and bolt, a screw, a rivet, or any suitable fastening method including soldering, welding, etc.
  • the suitable connection provides both an electrical and mechanical connection between the conductor 16 and ground plane.
  • Fig. 2 shows another example wherein plural radiation elements 2 are configured on a ground plane 5, according to the present invention.
  • Each dipole antenna 10 forms a dipole, and has two neighboring (adjacent) orthogonal dipole antennas in the box shape of a radiation element 2, and one parallel (across) dipole antenna in said box shape.
  • the box dipole formed by each dipole antenna 10 couples strongly with its neighboring orthogonal dipoles 10.
  • two parallel dipoles are fed with equal phase and amplitude and are arranged symmetrically with respect to the orthogonal dipole(s)
  • the coupled energy from one neighboring dipole will be of equal magnitude and opposite phase as energy from the other neighboring dipole.
  • the two coupled fields therefore cancel out.
  • the isolation between two polarization channels will be improved dramatically because of the boxed dipole arrangement
  • the antennas 10 are paired with a common feed pattern (e.g., 11A or 11B) providing a common input.
  • Fig. 5 shows a pair of dipole antennas 10 forming a +45° polarization radiating dipole antenna pair (dipole pair A) with a common feed line 11A.
  • Fig. 6 shows another pair of dipole antennas 10 forming a -45° polarization radiating dipole antenna pair (dipole pair B ) with a common feed line 11B.
  • the dipole pairs A and B are arranged to obtain the square configuration ⁇ 45° polarization radiation element 1 in Fig. 1a .
  • Plural radiation elements 1 can be arranged in an array.
  • Fig. 3 shows an array 13A of four dipole pairs 17A having a common feed line 11A.
  • Each dipole pair 17A comprises a pair of antennas 10.
  • Fig. 4 shows another array 13B of four dipole pairs 17B, having a common feed line 11 B.
  • the arrays 13A and 13B are arranged to obtain the configuration of four radiation elements 1 shown in Fig. 2 .
  • the ground plane 5 has a length and a vertical axial along the length, and the dipole radiating antennas 10 project outwardly (transversely) from a surface of the ground plane 5.
  • Fig. 7a shows how a non-conducting clip 15 (e.g., plastic clip) may be employed to hold a pair of adjacent (orthogonal) dipole antennas 10 together, to form an essentially square configuration for four dipole antennas 10.
  • each clip 15 is L-shaped with ends 15A, 15B, which as Fig. 7c shows by example in more detail, snap into holes in the arms 20, 18, respectively of two orthogonal dipole antennas 10-to hold the orthogonal antennas together.
  • Fig. 7c shows by example in more detail, snap into holes in the arms 20, 18, respectively of two orthogonal dipole antennas 10-to hold the orthogonal antennas together.
  • the present invention is not limited to the examples shown in Figs. 7a-c .
  • Figs. 8a-d show top views of four example, box dipole antenna arrangements, with the same box dipole configuration orientation, according to the present invention.
  • Fig. 8a shows four dipole antennas 10K, 10L, 10M and 10N arranged as a square configuration ⁇ 45° polarization radiation element 2
  • the antennas 10K and 10L form a +45° polarization dipole pair A
  • the antennas 10M and 10N form a -45° polarization dipole pair B.
  • the paired dipole is mirrored, wherein all the ground dipoles are attached to ground through ground plate 12, which is mirrored by the + or - 45 degree axis.
  • the arm 18 of each dipole antenna extends from the respective conductive leg in planar form.
  • the arm 20 of each dipole antenna extends from the respective conductive leg as a flat element.
  • the arms 18, 20 of the antenna 10K are in the same plane. The same holds for the antennas 10L, 10M and 10N.
  • the plane of the arms 18, 20 of the antenna 10K is parallel to the plane of the arms 18, 20 of antenna 10L.
  • the plane of the arms 18, 20 of the antenna 10M is parallel to the plane of the arms 18, 20 of antenna 10N.
  • Fig. 8a also shows +45° polarization axis and -45° polarization axis in relation to the orthogonal X, Y and Z axis in three dimensions.
  • the -45° axis is perpendicular to the plane of the arms of the antennas 10K and 10L.
  • the +45° axis is perpendicular to the plane of the arms of the antennas 10M and 10N.
  • the Y and Z axis form a Y-Z plane which is in the plane of the drawing sheet.
  • the +/-45° axis are in the Y-Z plane.
  • the +/- 45° axis are in reference to 0 degree (Z axis).
  • the X axis is perpendicular to the Y-Z plane (i.e., projecting outwardly from the Y-Z plane).
  • plural radiation elements 2 can be arranged in an array (row or column) along their Y-axis on a ground plane which is in the Y-Z plane of all the radiation elements 2 In such an arrangement, the radiation elements 2 have parallel +45° polarization axis in the Y-Z plane, and similarly parallel -45° polarization axis in the Y-Z plane.
  • Fig. 8b shows four dipole antennas 10K, 10L, 10M and 10N, arranged as a square configuration ⁇ 45° polarization radiation element 1B, wherein the antennas 10K and 10L form a +45° polarization dipole pair A, and antennas 10M and 10N form a -45° polarization dipole pair B.
  • the arm 18 of each dipole antenna includes an essentially S-shaped section 19 extending from the respective conductive leg.
  • the arm 20 of each dipole antenna includes an essentially S-shaped section 19 extending from the respective conductive leg.
  • the section 19 allows maintaining symmetry of the box dipole configuration, and it allows improving the isolation between those input ports or polarizations.
  • the arms 18, 20 of the antenna 10K are in the same plane.
  • the plane of the arms 18, 20 of the antenna 10K is parallel to the plane of the arms 18, 20 of antenna 10L.
  • the plane of the arms 18, 20 of the antenna 10M is parallel to the plane of the arms 18, 20 of antenna 1.0N.
  • the -45° axis is perpendicular to the plane of the arms of the antennas 10K and 10L.
  • the +45° axis is perpendicular to the plane of the arms of the antennas 10M and 10N.
  • Plural radiation elements 1 B can be arranged in an array along their Y-axis on a ground plane which is in the Y-Z plane of al the radiation elements 1 B.
  • Fig. 8c shows four dipole antennas 10K, 10L, 10M and 10N, arranged as a square configuration ⁇ 45° polarization radiation element 1C similar to Fig. 1a , wherein antennas 10K and 10L form a +45° polarization dipole pair A, and antennas 10M and 10N form a -45° polarization dipole pair B .
  • the arm 18 of each dipole antenna includes an essentially S-shaped section 19 extending from the respective conductive leg.
  • the arm 20 of each dipole antenna is flat extending from the respective conductive leg.
  • the section 19 allows maintaining symmetry of the box dipole configuration, and it allows improving the isolation between those input ports or polarizations.
  • the arms 18, 20 of the antenna 10K are in the same plane.
  • the plane of the arms 18, 20 of the antenna 10K is parallel to the plane of the arms 18, 20 of antenna 10L.
  • the plane of the arms 18, 20 of the antenna 10M is parallel to the plane of the arms 18, 20 of antenna 10N.
  • the -45° axis is perpendicular to the plane of the arms of the antennas 10K and 10L.
  • the +45° axis is perpendicular to the plane of the arms of the antennas 10M and 10N.
  • Plural radiation elements 1C can be arranged in an array along their Y-axis on a ground plane which is in the Y-Z plane of al the radiation elements 1C.
  • Fig. 8d shows four dipole antennas 10K, 10L, 10M and 10N, arranged as a square configuration ⁇ 45° polarization radiation element 1D, wherein antennas 10K and 10L form a +45° polarization dipole pair A, and antennas 10M and 10N form a -45° polarization dipole pair B .
  • the arm 20 of each dipole antenna includes an essentially S-shaped section 19 extending from the respective conductive leg. However, the arm 18 of each dipole antenna is flat extending from the respective conductive leg.
  • the section 19 allows maintaining symmetry of the box dipole configuration, and it allows improving the isolation between those input ports or polarizations.
  • the arms 18, 20 of the antenna 10K are in the same plane: The same holds for the antennas 10L, 10M and 10N.
  • the plane of the arms 18, 20 of the antenna 10K is parallel to the plane of the arms 18, 20 of antenna 10L.
  • the plane of the arms 18, 20 of the antenna 10M is parallel to the plane of the arms 18, 20 of antenna 10N.
  • the -45° axis is perpendicular to the plane of the arms of the antennas 10K and 10L.
  • the +45° axis is perpendicular to the plane of the arms of the antennas 10M and 10N.
  • Plural radiation elements 1 D can be arranged in an array along their Y-axis on a ground plane which is in the Y-Z plane of al the radiation elements 1D.
  • Fig. 9 shows an example connector 30 for direct coupling to each feed line (e.g., air microstrip lines 11A, 11 B) and ground plane 5.
  • the connector 30 includes an electrically conductive cylindrical threaded section 32 for receiving a coaxial-cable, a conductive plate 34 for electrically coupling the section 32 to the ground plane 5, and an axial conductor 36 for electrical coupling to a feed line such as feed line 11A. At least a portion of the conductor 36 is threaded for fastening to the feed line 11A via a nut 35, and spaced from the ground plane 5 via an electrically insulating washer 37.
  • the conductor 36 is covered by the insulation sleeve 38 for electrical isolation from the conductive plate 34 and the ground plane 5.
  • the feed line 11A is space from the ground plane 5 by a dielectric sleeve 31 which is held in place between the feed line 11A and the ground plane 5 by an electrically insulating (non-conductive) screw 33.
  • the connector 30 can comprise a modified 7/16 Din connector, which eliminates the typical RG401 input cable cost and assembly costs, and also eliminate the coaxial cable to microstrip transition cost and assembly cost. Another connector 30 can be used for connecting another input to the feed line 11B, in a similar fashion.

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

Claims (6)

  1. Duale polarisierte Basisstations-Breitbandantenne, die Folgendes umfasst:
    - eine erste (11A) und eine zweite gemeinsame Zuleitung (11B) ;
    - eine Grundebene (5); und
    - mindestens ein duales polarisiertes Abstrahlungselement (2), wobei das Abstrahlungselement (2) vier Dipolantennen (10K, 10L, 10M, 10N) umfasst, die quer von einer Oberfläche der Grundebene (5) in einer quadratischen Anordnung abstehen und zwei gepaarte Dipole (17A, 17B) bilden, wobei jeder gepaarte Dipol ein Paar gespiegelter Dipolantennen mit Abstrahlungsarmen in paralleler Konfiguration umfasst, und wobei jede Dipolantenne enthält:
    - einen ersten Bandleiterschenkel (16), der sich quer von einer Oberfläche der Grundebene (5) erstreckt und elektrisch damit verbunden ist, wobei der erste Bandleiterschenkel (16) an seinem Ende, das mit der Grundebene (5) verbunden ist, in einer Richtung von der Grundebene (5) in Richtung des ersten Bandleiters (16) verjüngt ist;
    - einen ersten Abstrahlungsarm (18), der nach außen von dem ersten Bandleiterschenkel (16) absteht;
    - einen zweiten Bandleiterschenkel (14), der durch ein Dielektrikum von der Grundebene (5) beabstandet ist und der sich quer relativ zu der Oberfläche der Grundebene (5) in paralleler Beziehung zu dem ersten Bandleiterschenkel (16) erstreckt und von diesem durch einen Spalt (22) beabstandet ist, wobei die ersten (16) und zweiten (14) Bandleiterschenkels eine Übertragungsleitung aus symmetrischen gepaarten Bändern (16, 14) bilden; und
    - einen zweiten Abstrahlungsarm (20), der nach außen von dem zweiten Bandleiterschenkel (14) in entgegengesetzter Richtung zu dem ersten Abstrahlungsarm (18) absteht;
    - wobei die zweiten Bandleiterschenkel (14) eines einzelnen gepaarten Dipols (17A) mit der ersten gemeinsamen Zuleitung (11A) verbunden sind, die einen gemeinsamen Eingang in jenen einen gepaarten Dipol (17A) bereitstellt, und die zweiten Bandleiterschenkel (14) des anderen gepaarten Dipols (17B) mit der zweiten gemeinsamen Zuleitung (11B) verbunden sind, die einen gemeinsamen Eingang zu jenem anderen gepaarten Dipol (17B) bereitstellt.
  2. Basisstationsantenne nach Anspruch 1, die mehrere Abstrahlungselemente (2) umfasst, die in einem Array angeordnet sind.
  3. Basisstationsantenne nach Anspruch 3, wobei die mehreren Abstrahlungselemente (2) in einer Reihe auf der Grundebene (5) angeordnet sind, wobei die mehreren Abstrahlungselemente (2) so ausgerichtet sind, dass erste gepaarte Dipole (17A) der mehreren Abstrahlungselemente (2) ihre Abstrahlungsarme parallel zu der Reihenachse haben und die anderen gepaarten Dipole (17B) der mehreren Abstrahlungselemente (2) ihre Abstrahlungsarme senkrecht zu der Reihenachse haben, wobei die ersten gepaarten Dipole mit der ersten gemeinsamen Zuleitung (11A) verbunden sind und die anderen gepaarten Dipole mit der zweiten Zuleitung (11B) verbunden sind.
  4. Basisstationsantenne nach Anspruch 1, wobei das Abstrahlungselement dafür konfiguriert ist, im 806- bis 960 MHz-Frequenzband zu arbeiten.
  5. Basisstationsantenne nach Anspruch 1, wobei das Abstrahlungselement dafür konfiguriert ist, im 380- bis 470 MHz-Frequenzband zu arbeiten.
  6. Basisstationsantenne nach Anspruch 1, wobei das Abstrahlungselement dafür konfiguriert ist, im 1710- bis 2170 MHz-Frequenzband zu arbeiten.
EP07754157.1A 2006-03-30 2007-03-29 Duale polarisierte breitband-basisstationsantenne Not-in-force EP2005522B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78744206P 2006-03-30 2006-03-30
PCT/US2007/007593 WO2007126831A2 (en) 2006-03-30 2007-03-29 Broadband dual polarized base station antenna

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EP2005522A2 EP2005522A2 (de) 2008-12-24
EP2005522A4 EP2005522A4 (de) 2009-06-03
EP2005522B1 true EP2005522B1 (de) 2015-09-09

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Cited By (1)

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US11901633B2 (en) 2018-11-27 2024-02-13 Huawei Technologies Co., Ltd. Antenna and array antenna

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FR2945380B1 (fr) 2009-05-11 2011-07-08 Bouygues Telecom Sa Antenne multifaisceaux compacte.
FR2965411B1 (fr) * 2010-09-29 2013-05-17 Bouygues Telecom Sa Antenne compacte a fort gain
CN107910636B (zh) * 2017-10-26 2020-10-13 武汉虹信通信技术有限责任公司 一种宽频辐射单元及天线
WO2020137137A1 (ja) 2018-12-27 2020-07-02 日本電気株式会社 アンテナ、基板、及び通信装置
CN110994179B (zh) * 2019-09-30 2021-08-20 京信通信技术(广州)有限公司 馈电组件及辐射单元

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GB1398262A (en) * 1971-08-05 1975-06-18 Emi Ltd Aerials
EP0994524A1 (de) * 1998-10-14 2000-04-19 Andrew A.G. Dualmode Antenne für Basisstation
US20050219140A1 (en) * 2004-04-01 2005-10-06 Stella Doradus Waterford Limited Antenna construction

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Also Published As

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EP2005522A2 (de) 2008-12-24
EP2005522A4 (de) 2009-06-03
WO2007126831A2 (en) 2007-11-08
WO2007126831A3 (en) 2008-09-25

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