WO2006058658A1 - Antenne radio mobile a double bande - Google Patents

Antenne radio mobile a double bande Download PDF

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Publication number
WO2006058658A1
WO2006058658A1 PCT/EP2005/012593 EP2005012593W WO2006058658A1 WO 2006058658 A1 WO2006058658 A1 WO 2006058658A1 EP 2005012593 W EP2005012593 W EP 2005012593W WO 2006058658 A1 WO2006058658 A1 WO 2006058658A1
Authority
WO
WIPO (PCT)
Prior art keywords
radiator
reflector
plane
radiators
antenna according
Prior art date
Application number
PCT/EP2005/012593
Other languages
German (de)
English (en)
Inventor
Maximilian GÖTTL
Magnus Hubner
Felix Micheel
Michael Boss
Original Assignee
Kathrein-Werke Kg
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kathrein-Werke Kg filed Critical Kathrein-Werke Kg
Priority to DE502005003394T priority Critical patent/DE502005003394D1/de
Priority to KR1020077008876A priority patent/KR101056296B1/ko
Priority to EP05813618A priority patent/EP1817815B1/fr
Priority to CN200580034639.0A priority patent/CN101080845B/zh
Publication of WO2006058658A1 publication Critical patent/WO2006058658A1/fr
Priority to HK08101976.8A priority patent/HK1111526A1/xx

Links

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
    • 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
    • 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
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/42—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more imbricated arrays
    • 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
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/48—Combinations of two or more dipole type antennas

Definitions

  • the invention relates to an antenna, in particular a mobile radio antenna, for operation in at least two frequency bands.
  • Multi-range antennas are known from the prior art which make it possible to receive or transmit radiation in at least two different frequency ranges.
  • document DE 198 23 749 A1 shows a dual-polarized multigrade antenna comprising first and second radiators.
  • the first and second radiators radiate in different frequency ranges and comprise dual polarized dipole radiators arranged on a reflector and radiating in polarizations oriented at + 45 ° and -45 ° to the vertical.
  • the first radiators comprise cross dipoles that radiate in an upper frequency band.
  • the radiators in the lower frequency band are dipole squares, wherein in each dipole square a cross dipole is arranged.
  • the distance between the dipoles according to their associated frequency-dependent wavelength with respect to the reflector should not be greater than ⁇ , preferably not greater than ⁇ / 2 in the rule.
  • the lower value for the distance between the dipole elements and the reflector should not be smaller than ⁇ / 16, preferably not smaller than ⁇ / 8.
  • a tulip-shaped design of a dipole radiator has also become known from WO 03/065505 A1.
  • the distance of the rod-shaped radiator devices to the plane of the reflector should correspond to approximately 1/8 to 1/4 of an operating wavelength X, ie a region in which the corresponding dipole radiators are usually arranged in front of the reflector.
  • the object of the invention is therefore to provide an operating in several frequency bands antenna, which allows improved radiation properties in each frequency band.
  • the antenna according to the invention comprises a plurality of radiators arranged in front of an electrically conductive and preferential are arranged metallic reflector, which comprises a flat surface which forms the reflector plane.
  • the radiators each comprise one or more radiating edges and / or one or more rod-shaped elements, which represent the essential parts of the dipole radiators and are also referred to below as radiator or dipole radiator structure.
  • the radiators are further each in a radiating plane, are arranged in the radiation edges and / or the rod-shaped elements of the radiator, each radiating plane is substantially parallel to the reflector plane or at most inclined at an angle of ⁇ 5 ° relative to the reflector plane.
  • first and second radiators are provided, wherein one or more of the first radiators in a common first radiating plane and one or more of the second radiators lie in a common second radiating plane and radiating in different frequency bands.
  • the first emitters are operated here in an upper frequency band and the second emitters in a lower frequency band.
  • the antenna according to the invention is characterized in that the distance of the first radiating plane from the reflector plane is at least 90% and at most 150% of the distance of the second radiating plane from the reflector plane.
  • the solution according to the invention provides further design options for the radiation pattern, that is to say for the radiation pattern shaping, and in particular for the upper frequency band.
  • the half-value width can also be changed in a particularly favorable manner, the forward / reverse ratio can be improved, and an improved side lobe attenuation can be realized.
  • the first and second radiating planes are spaced from the reflector plane by substantially the same distance.
  • pedestals are used which are connected to the reflector and are preferably at least partially electrically conductive.
  • a first radiator is arranged on each pedestal.
  • the pedestal can be referred to as a platform or as an auxiliary reflector, which has a longitudinal and transverse extension in the longitudinal and transverse directions parallel to the reflector, which is larger than the cross section of the Sok- or the symmetrization of the associated dipole radiator.
  • the pedestals on their upper side on an electrically conductive and preferably metallic podium top or platform, on each of which a first radiator is positioned.
  • so-called lobes or lap-shaped extensions can be provided in the circumferential direction. These can be issued at any angle, for example at an angle of 20 °, with respect to the vertical upwards and obliquely outwards.
  • these lobes can also be designed as outwardly projecting tabs lying in the plane with the pedestal surface, that is to say lying parallel to the reflector plane in other words, the pedestal area quasi widening.
  • the lobes can also be angled down.
  • the flaps can only be provided at a distance from one another on the side wall sections on the pedestal, so that an open angle region remains in corner regions between two adjacent flaps.
  • the lobes can also be formed as a peripheral boundary or wall on the pedestal, over which the associated radiator rises upwards. Finally, but can be dispensed with the rag altogether.
  • the lobes - if they are provided - specific length and cross dimensions in order to achieve an optimization.
  • the spotlight standing on the pedestal can be mounted with its pedestal on top of the pedestal or the platform formed by the pedestal.
  • Pedestal and base of the associated spotlight can also be formed in one piece, in a corresponding amount then the laterally projecting over the base conductive or metallic surface is provided, which can be referred to as podium top, plateau or auxiliary reflector.
  • one or more first radiators are each arranged substantially centrally in a second radiator in plan view of the reflector.
  • one or more first radiators are each arranged substantially centrally between adjacent second radiators. The arrangement in plan view thus substantially corresponds to the arrangement shown in the document DE 198 23 749 Al.
  • first and the second radiation plane further radiation levels can also exist in which the 'radiation edges and / or the rod-shaped elements of the first and / or second radiators are disposed of. In this way, the radiation field of the antenna can be further adjusted.
  • One or more second radiators can be, for example, dipolar squares formed from four dipoles, as shown, for example, in the already mentioned DE 198 23 749 A1.
  • the second radiators may in particular also be cup-shaped, dual-polarized radiators, which have radiation edges or rod-shaped elements at the end remote from the reflector.
  • the second radiators can adopt any embodiment described in document WO 03/065505 A1.
  • the cup-shaped radiators comprise a plurality of solid surface elements which run obliquely and / or perpendicular to the reflector plane and whose lying remote from the reflector plane boundary edge is a radiation edge.
  • a first radiator is arranged in plan view on the reflector in one or more of the dipole squares and / or spherical radiators.
  • One or more first radiators are preferably dual-polarized cross dipoles and / or vector dipole radiators.
  • Cross dipoles are shown, for example, in DE 198 23 749 A1, and the structure of vector dipole radiators is known from the document DE 198 60 121 A1.
  • the reflector has side walls which run in the longitudinal direction of the reflector and extend obliquely and / or vertically out of the reflector plane, the plurality of radiators being arranged between the side walls.
  • Alignment can be provided in order to form the radiation diagram over this.
  • the center frequency of the lower frequency band is substantially half as large as the center frequency of the upper frequency band.
  • a multiplicity of first and second radiators are preferably arranged in the longitudinal direction of the reflector, with a first radiator essentially centered above each second radiator and between see each pair of adjacent second emitters each substantially centrally a first emitter is arranged.
  • all first radiators in the first radiating plane and all second radiators in the second radiating plane are arranged.
  • the antenna according to the invention is preferably a mobile radio antenna whose frequency bands are in particular in the GSM, in the CDMA and / or for example in the UMTS mobile radio frequency range.
  • Figure 1 a plan view of a section of a
  • Figure 2 is a sectional view taken along the line I-I of Figure 1;
  • FIG. 3 shows a side view of the pedestal shown in FIG. 2 with radiator arranged thereon;
  • FIG. 4 shows a plan view of a detail of a second embodiment of the antenna according to the invention.
  • FIG. 5 a sectional view along the line II- II of Figure 4;
  • Figure 7 is a plan view of a detail of a third embodiment of the antenna according to the invention.
  • FIG. 8 a sectional view along the line III-
  • FIG. 1 shows a plan view of a detail of a reflector sheet 1, which is referred to below as a reflector 1, which extends in the X direction.
  • the reflector comprises a substantially planar reflector base Ia, which forms the reflector plane E.
  • the reflector plate further comprises two extending in the longitudinal or vertical direction X side walls Ib, which rise from the plane E of the reflector perpendicular or at an angle to extend and limit the reflector at the outer edge, but also be arranged offset from the outer edge further inwardly can.
  • the first radiator type consists of a dipole radiator 2 in the form of a vector dipole radiator.
  • radiators are shown in Figure 1, which are arranged at equal intervals in the longitudinal direction X side by side and in an upper Fre- For example, in the range of 1700 MHz to 2700 MHz radiate.
  • the structure and mode of operation of vector dipole radiators is well known from the prior art and described in particular in the publication DE 198 60 121 A1, the disclosure of which is incorporated by reference in its entirety and made part of the content of this application.
  • the Vektordipolstrahler each comprise a located vertically • right to the reflector plane E extending base 2a, which in turn consists of a balancing device 2b, which is formed by vertically in the socket 2a of extending up towards the reflector plane E, and usually to the reflector 1 aligned axial sections, for example, with a length of ⁇ / 4, are introduced, which are remote from the reflector plane lying electrically connected to the radiator or radiator elements.
  • the axial sections 2e extend almost to the reflector plane E, ie up to a so-called base base 2f (FIG. 2). Of "Therefore, the distance between the dipole and the plane is of the reflector about ⁇ / 4 in this embodiment.
  • each balancing 2b At the upper end of each balancing 2b are two mutually perpendicular and parallel to the reflector plane E lines 2c provided, at each front end of the lines 2c are arranged semi-dipole components 2d, which are perpendicular to the respective line and likewise run parallel to the reflector plane E.
  • the vector dipole radiator is constructed in electrical terms like a crossed dipole, each of which consists of two mutually perpendicular dipole halves, which in the first plane of polarization Pl or P2 (FIG. 1), such a radiator structure forming a dipole half in electrical terms is included the vector dipole in constructive terms each of two mutually perpendicular Halbdipol components
  • each diametrically opposite dipole halves is decoupled for a first polarization and a second polarization orthogonal thereto.
  • the vector dipole radiators thus constructively form a dipole square, but radiate electrically in a + 45 ° polarization Pl or -45 ° polarization P2.
  • radiator structure 102 The dipoles or half-dipole components shown in the radiator 2 ultimately form the dipole structure whose radiator elements are generally referred to as the radiator structure 102, which essentially shape and influence the radiation pattern of this radiator type.
  • the cup-shaped dipole radiator 3 comprises four surface area elements 3 a, wherein the boundary edges 3 f (see FIG. 2) of the area elements remote from the reflector base 1 a form the dipole radiating elements or the radiation pattern form essential radiator structure 103 in particular by the radiator structure top side.
  • the surface elements 3a are fed electrically to four feed points 3b, wherein the feed to the feed points is at least approximately in-phase and approximately symmetrical.
  • the feed at the feed points 3b is in each case such that in each case the outer conductor is rotated by one end of a corresponding radiator element 3a and the inner conductor is rotated by 90 ° with the adjacent end of an adjacent one aligned radiating element 3a is electrically connected.
  • Between two such illustrated radiator elements then runs from the above-mentioned prior publication as known to be taken gap or slot 3 g, which extends to a lower base portion adjacent to the reflector plane E.
  • the individual surface elements 3a of the radiator 3 are trapezoidal in shape and extend substantially obliquely out of the reflector base 1a.
  • the obliquely running out of the reflector bottom edges of the surface elements 3a also have bends 3c, wherein between adjacent folds a gap is formed.
  • This shape and arrangement of the surface elements the cup-shaped shape of the dipole radiator 3 is achieved.
  • the surface elements 3a need not be formed over the entire surface, but may have a frame structure formed of a plurality of rods.
  • all dipole radiator molds described in the aforementioned application WO 03/065505 A1 are conceivable for use in the present invention.
  • the second radiator 3 radiates in a lower frequency band, the center frequency of which is substantially half the center frequency of the first radiator 2, ie can radiate in the 900 MHz band, for example in the range of 800 MHz to e.g. 1,000 MHz.
  • a radiator 3 with the associated radiator structure 103 for the lower frequency band shown in addition to the three radiators 2 shown for the higher frequency band with the associated radiator structure 102.
  • the middle radiator 2 for the higher frequency band is arranged centrally in plan view inside the cup-shaped second radiator 3, this radiator 2 is arranged on a pedestal 4, so that the plane of the lines 2c and especially the semi-dipole components 2d and thus the emitter elements or emitter structure 102 are in the embodiment shown above the upper edge of the cup-shaped radiator 3, which will be explained in more detail below with reference to Figure 2.
  • the pedestal 4 is preferably made of electrically conductive material or is at least provided with a conductive top layer.
  • the pedestal thus has an upper side, which is aligned parallel to the reflector plane or at least substantially parallel to the reflector plane E.
  • the podium top 4f thus forms a plateau 4f, which is also referred to below as an auxiliary reflector 4f.
  • the size of the auxiliary reflector 4f is larger than the base cross section.
  • the podium top side is formed substantially rectangular or square, wherein recesses may be provided in the corner regions (as is apparent from the plan view of Figure 1).
  • the longitudinal extent of the podium top side or of the plateau 4f in this case has a longitudinal dimension in the X or vertical direction of the reflector 1, which corresponds to at least ⁇ / 4 and at most ⁇ , wherein the smallest value of ⁇ of the wavelength at the lower band limit (lower frequency) of the upper Frequency band corresponds.
  • the largest value of ⁇ corresponds to that value at the upper band limit (highest frequency) with respect to the upper transmitted frequency band.
  • the dimensioning in Quererstre- ckung transverse to the X or vertical direction of the reflector and is selected.
  • a preferred value for the lower longitudinal or transverse extent for the diameter of the plateau surface is, for example, ⁇ / 4 at a frequency of 2.7 GHz.
  • the dimension for the longitudinal extent in the X or Y direction of the top of the podium corresponds approximately to the height of the pedestal above the plane of the reflector.
  • This measure can thus be for example ⁇ / 4, as well as the preferred distance height of the dipole beam elements with respect to the reflector plane or the plane of the pedestal (which is preferably ⁇ / 4).
  • the distance of the dipole radiators from the plane of the reflector or the podium top side is generally between ⁇ / l ⁇ and ⁇ and preferably ⁇ / 8 to ⁇ / 2, ie preferably ⁇ / 4 (as is basically the case in FIG DE 198 23 749 Al is known).
  • ⁇ usually represents a value with respect to the frequency band to be transmitted, preferably the smallest one Value for ⁇ (corresponding to the upper end of the respective frequency band).
  • a preferred range for the distance of the dipole radiator elements to the reflector plane or to the pedestal height is therefore ⁇ / 6 to ⁇ / 4.
  • the platform top 4f may have different shapes, for example, square, rectangular, ' generally n-polygonal or curvy, ie, round, etc. may be, the pedestal is in each case dimensioned larger than that Base cross-section of the corresponding radiator.
  • FIG. 2 shows a sectional view along the line I-I of FIG. 1.
  • the structure of the cup-shaped radiator 3 and of the pedestal 4 arranged therein can be seen in more detail in FIG. It can be seen, in particular, that the individual surface elements 3 a consist of a lower, obliquely upwardly extending section 3 d, at the upper end of which a section 3 e runs perpendicular to the reflector plane E and ends at upper boundary edges 3 f, which form the dipole beam elements of the Make radiator 3.
  • the pedestal 4 has downwardly tapered side walls 4b and is hollow inside.
  • the vector dipole emitter 2 is arranged centrally on the pedestal, and the obliquely upwardly extending tabs 4a also extend from the pedestal. '
  • the Half-dipole components of a vector dipole radiator 2 arranged on the pedestal lie in a first radiation plane S1, which lies in the vicinity of the radiation plane S2 which is formed by the boundary edges 3f of the spherical radiator 3.
  • the plane Sl is higher than the plane S2.
  • the plane Sl is substantially the same height as the plane S2 or is also arranged slightly below the plane S2.
  • the distance between the plane S is in a range of between 75% and 150% of the distance of the plane S2 of the 'reflector plane E. This lower limit but may also be at 80%, 90%, 100% or even 110% are.
  • FIG. 2 also shows a third radiation plane S3, in which the dipoles of the left and right vector dipole radiators 2 are located.
  • the plane S3 is much lower than the levels Sl and S2, since the left and right radiators 2 are not on a-podium. It is also conceivable, however, that the left and right radiators 2 are also arranged to: • a respective pedestal 4, will be described in more detail below. It can also be seen from FIG.
  • the distance between the plateau height and the plane E of the reflector is equal to or at least slightly greater than the distance of the dipole radiator of the radiator device 2 with respect to the plateau top or the plane E of the reflector in the case of the radiator 102, directly on the reflector sitting.
  • radiator element upper side or generally its radiator structure 102 the radiator 2 for the higher frequency band arranged centrally on the pedestal 4 in the radiator 3 for the low frequency band is arranged at such a height with respect to the reflector plane E at least in the area of this radiator which is greater than 0.4 ⁇ , where ⁇ is the average wavelength for the center frequency of the radiator 2 provided for the higher frequency band range.
  • this lower limit may also be 0.6 ⁇ , 0.8 ⁇ , 1.0 ⁇ or for example 1.2 ⁇ or more.
  • the distance to the reflector plane E should not be greater than 2 ⁇ , but this upper limit can also be at 1.8 ⁇ , 1.6 ⁇ or 1.4 ⁇ , ⁇ -is again related to the center frequency of the upper frequency band .
  • the distance of the dipole radiator elements of the radiator 103 for the lower frequency band from the plane E of the reflector should not be greater than ⁇ and not smaller than 0.2 ⁇ , for example, if the levels Sl. and S2 in the same or at least approximately or approximately at the same height.
  • X is a wavelength from the frequency band to be transmitted, preferably the smallest wavelength corresponding to the highest frequency of the lower frequency band.
  • FIG. 3 again shows a side detail view of the pedestal 4 shown in FIG. 2 with the vector dipole radiator 2 arranged thereon.
  • FIG. 3 shows, in particular, that the pedestal 4 has a closed structure with four side walls 4b, whereby the level of the pedestal top side 4d starting from the already mentioned four lobes 4a in the embodiment shown extend obliquely upwardly and outwardly extending.
  • the radiator 2 is mounted with its base.
  • the platform has an approximately square structure, the lateral boundaries of which lie parallel to the semi-dipole components of the vector dipole 2.
  • Angle is preferably more than 10 ° and preferably less than 40 °. In particular, this angle is a by 20 ° ( Figure 2) with respect to the vertical.
  • the side walls 4a are not circumferentially closed, but open in the corner areas, as is apparent in particular from the plan view of Figure 1.
  • this angle ⁇ can also assume any other values, so that the lobes or the lobe-shaped extensions 4a can even lie in the plane of the podium top side or the plateau 4f formed thereby and can thus be interpreted in the manner of an auxiliary reflector extension.
  • these lobes 4a may be angled downwards even with respect to the top of the podium 4f, for example, almost up to a vertical angle.
  • the angle between the lobes 4a and a plane parallel to the reflector plane E between ⁇ 85 ° or . + 80 ° and 0 ° vary, in which the lobes are aligned parallel to the reflector plane.
  • the longitudinal extent of the lobes starting from the pedestal 4 towards its free end is preferably ⁇ / 10 to ⁇ , the smallest value of ⁇ corresponding to the wavelength at the upper band limit (highest frequency) of the upper transmitted frequency band and the maximum value of ⁇ to the wavelength , at the lower band limit (lowest frequency) corresponds to the upper frequency band to be transmitted.
  • the same dimensioning also applies to the transverse extent of the lobes, these values representing preferred values.
  • the flaps are preferably symmetrically formed and aligned on each pedestal. However, certain imbalances can sometimes be beneficial in terms of their angular orientation as compared to another lobe on a pedestal or its sizing. Finally, however, the tabs can be omitted altogether or • "a peripheral boundary .or sidewall 4b closed.
  • FIG. 4 shows a plan view of a second embodiment. shape of the antenna according to the invention.
  • the same radiators 2 and 3 as in FIG. 1 are used, and the radiators are also arranged in a plan view just as in the embodiment of FIG.
  • the left and right first radiators are also arranged on a pedestal, wherein this pedestal has a closed, substantially rectangular pedestal surface 4c with a corresponding boundary 4d framing and circumscribing the pedestal surface.
  • the pedestal, on which the central emitter 2 is arranged further corresponds to the pedestal, which is also used in the embodiment of FIG.
  • Figure 5 shows a sectional view taken along the line II-II of Figure 4. It can be seen in particular that the left and right platforms are identical and have a different shape than the middle pedestal.
  • the left and right platforms form-essentially a tower with obliquely upwardly extending side walls, wherein at the top of the tower, the platform platform is formed with the circumferential closed side wall boundary 4c.
  • the left and right receptacles have raised pedestals 4, on each of which a first radiator 2 is positioned.
  • the left and right pedestals have - analogous to the middle pedestal - in the lower part of a cavity which is bounded by tapered side walls 4b.
  • FIG. 1 in the embodiment of FIG.
  • the arrangement can also be chosen differently from FIG. 5 such that the pedestal height of the outer radiator elements or radiator structures 102 is, for example, slightly lower. ⁇ ger or higher than the radiator elements or radiator structure 102 of the radiator 2, which is arranged centrally in the radiator 3rd, so that the radiator plane S3 for the not arranged within the radiator for the low frequency band emitter 2 deviates from the radiator plane Sl.
  • FIG. 6 shows the same side view as FIG. 5, but the side view of FIG. 6 is not cut. It can be seen here in particular that the left and right pedestals have inclined, closed side walls, so that they have a laterally, i. in conversion
  • Figure 1 shows a plan view of a third embodiment of the present invention 's antenna.
  • the antenna of Figure 7 differs from the antenna of Figure 1 in that a different type of second radiator is used. Otherwise, the embodiment of Figure 7 corresponds to the embodiment " of Figure 1, so that a detailed description is omitted.
  • a dipole square 3 ' which comprises four rod-shaped dipoles consisting of two dipole halves 3a' each.
  • the individual dipoles extend in this case at a 45 "angle to the side walls Ib of the reflector 1.
  • the dipole square radiates - in the +45 ° polarization Pl and the -45 ° - analogously to the cup-shaped radiator of FIG
  • the structure of emitters in the form of dipole squares has long been known from the prior art.For example, reference is made to the document DE 198 23 749 A1, which by this reference with its entire disclosure content is made part of this application.
  • FIG. 8 shows a side view of FIG. 7 cut along the line III-III. It can be seen that-analogously-as in FIG. 2-there are three different radiation planes S1, S2 and S3. In the lowermost radiating plane S3, the left and right first radiators 2 are arranged. In the radiation plane S2, which is higher than the radiation plane S3, are the dipoles of the dipole radiator 3. In the uppermost radiation plane Sl are the dipoles of the radiator 2, which is arranged on the pedestal 4. It can be seen in FIG. 8 that the distance between the radiation planes S1 and S2 is significantly greater than in the embodiment according to FIG. 2.
  • FIG Right first emitters are also positioned on a pedestal, so that they are also in the radiation plane Sl.
  • the same pedestal can be used, which is used in Figure 5 for the left and right first radiator, but the height of the pedestal is to be adapted to the height of the plane Sl in Figure 8.
  • FIG. 9 shows an unsectioned side view similar to FIG. 8. It can be seen in this figure that the middle pedestal 4 is identical to the pedestal shown in FIG. But even here, the pedestals for the outer radiator 102 may be slightly formed in height so that the radiator height S3 at the radiator height Sl relative to the reflector plane E at least slightly different from each other.
  • FIGS. 7 to 9 or in the form of dipole crosses. Restrictions on the use of certain
  • the explained radiation planes S1, S2 and S3 are in principle aligned parallel to the reflector plane E.
  • the radiator elements or radiator structures 102, 103 could possibly also deviate and be inclined at an angle of less than ⁇ 5 ° with respect to this plane. Therefore, if necessary, could also.
  • the radiator planes Sl, S2 and S3 deviate in such an angle of less than ⁇ 5 ° relative to the reflector plane.
  • the explained distances between the radiation planes and thus the distances between the " radiator elements and the radiator structure 102, 103 have the distances explained at least in the area of the radiators 2, 3, 3 'in question
  • an antenna arrangement which comprises a plurality of reflector sections which, for example, have reflector sections which are folded over one another in an angular range in the circumferential direction in order to radiate the elements of the control elements seated thereon at different azimuth angles.
  • the antenna according to the invention in particular the mobile radio antenna according to the invention, can be described by the following features, namely: there are several dipole radiators 2; 3, 3 ', namely at least one first dipole radiator 2 and at least one second dipole radiator .3, 3', which are arranged in front of a reflector 1, - the at least one first and the at least one second dipole radiator 2; 3, 3 'have associated first or associated second radiator structures 102, 103, which optionally comprise radiator elements, which radiates at least one first dipole radiator 2 in a lower frequency band and the at least one second dipole radiator 3, 3' radiates in a comparatively higher frequency band,
  • At least a first radiator structure 102 and an upper side of the at least one first radiator structure 102 of the dipole radiator 2 for the higher frequency band has a distance from the reflector plane E, at least 75% and at most 150% of the distance between the at least one second radiator structure or the upper side of the at least one second radiator structure 103 of the at least one second dipole radiator 3, 3 'for the lower frequency band and the reflector plane E, in particular the at least one first dipole radiator 2 is positioned on a pedestal 4 whose pedestal Top 4d is provided at a distance in front of the reflector plane E, and - in particular, the at least partially electrically conductive pedestal 4 on a pedestal top side 4d, whose area is greater than a base cross section of the first positioned thereon Dipolstrahlers. 2
  • the distance between the at least one first radiator structure 102 of the at least one first dipole radiator 2 for the higher frequency band has a distance from the reflector plane E, which is greater than 0, 4 ⁇ and preferably less than 2 ⁇ relative to the center frequency of the at least one first dipole radiator 2 for the higher frequency band.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • 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)
  • Transceivers (AREA)
  • Support Of Aerials (AREA)

Abstract

L'invention concerne une antenne, en particulier une antenne radio mobile, permettant de faire fonctionner au moins deux bandes de fréquence, comprenant les caractéristiques suivantes : l'antenne est équipée de nombreux transmetteurs doublets (2, 3) situés à l'avant d'un réflecteur (1) et qui effectuent la transmission dans deux bandes de fréquence différentes ; la distance entre la structure émettrice les éléments transmetteurs ou la surface supérieure (102) des éléments transmetteurs d'au moins un transmetteur doublet (2) pour une bande haute fréquence et le plan réflecteur (E) est d'au moins 75% et inférieure à 150% de la distance entre une structure émettrice, un élément transmetteur ou la face supérieure (103) d'un élément émetteur d'au moins un transmetteur doublet (3) pour la bande basse fréquence et le plan réflecteur (E) ; et/ou la distance entre la structure émettrice, les éléments transmetteurs ou la face supérieure (102) des éléments transmetteurs d'au moins un transmetteur doublet (2) pour la bande haute fréquence et le plan réflecteur (E) est supérieure à 0,4 A et de préférence inférieure à 2A, par rapport à la fréquence moyenne du transmetteur pour la haute fréquence.
PCT/EP2005/012593 2004-11-30 2005-11-24 Antenne radio mobile a double bande WO2006058658A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE502005003394T DE502005003394D1 (de) 2004-11-30 2005-11-24 Zweiband-mobilfunkantenne
KR1020077008876A KR101056296B1 (ko) 2004-11-30 2005-11-24 이중대역 이동 무선 안테나
EP05813618A EP1817815B1 (fr) 2004-11-30 2005-11-24 Antenne radio mobile a double bande
CN200580034639.0A CN101080845B (zh) 2004-11-30 2005-11-24 双频带移动无线电天线
HK08101976.8A HK1111526A1 (en) 2004-11-30 2008-02-22 Dual-band mobile radio antenna

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004057774A DE102004057774B4 (de) 2004-11-30 2004-11-30 Antenne, insbesondere Mobilfunkantenne
DE102004057774.9 2004-11-30

Publications (1)

Publication Number Publication Date
WO2006058658A1 true WO2006058658A1 (fr) 2006-06-08

Family

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PCT/EP2005/012593 WO2006058658A1 (fr) 2004-11-30 2005-11-24 Antenne radio mobile a double bande

Country Status (8)

Country Link
EP (1) EP1817815B1 (fr)
KR (1) KR101056296B1 (fr)
CN (1) CN101080845B (fr)
AT (1) ATE389957T1 (fr)
DE (2) DE102004057774B4 (fr)
ES (1) ES2301083T3 (fr)
HK (1) HK1111526A1 (fr)
WO (1) WO2006058658A1 (fr)

Cited By (8)

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DE102007060083A1 (de) 2007-12-13 2009-06-18 Kathrein-Werke Kg Mehrspalten-Multiband-Antennen-Array
US20110175782A1 (en) * 2008-09-22 2011-07-21 Kmw Inc. Dual-band dual-polarized antenna of base station for mobile communication
CN103178332A (zh) * 2011-12-21 2013-06-26 东莞市晖速天线技术有限公司 一种小型化低频振子及具有该振子的基站天线
WO2014120062A1 (fr) * 2013-01-31 2014-08-07 Cellmax Technologies Ab Agencement d'antennes et station de base
WO2014118011A1 (fr) 2013-01-31 2014-08-07 Cellmax Technologies Ab Agencement d'antennes et station de base
WO2014120063A1 (fr) * 2013-01-31 2014-08-07 Cellmax Technologies Ab Agencement d'antennes et station de base
WO2015029946A1 (fr) * 2013-09-02 2015-03-05 日本電業工作株式会社 Antenne et antenne à secteurs
US11329390B2 (en) 2018-02-23 2022-05-10 Telefonaktiebolaget Lm Ericsson (Publ) Multiband antenna array for mobile radio applications

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KR100960004B1 (ko) * 2008-02-18 2010-05-28 주식회사 에이스테크놀로지 다중 대역 이중 편파 안테나
KR101125180B1 (ko) * 2009-11-17 2012-03-19 주식회사 케이엠더블유 서로 다른 평면에 배치되는 방사소자들의 설치 방법 및 이를 이용한 안테나
CN103098304B (zh) * 2011-09-07 2016-03-02 华为技术有限公司 双频双极化天线
DE102012023938A1 (de) 2012-12-06 2014-06-12 Kathrein-Werke Kg Dualpolarisierte, omnidirektionale Antenne
US9373884B2 (en) 2012-12-07 2016-06-21 Kathrein-Werke Kg Dual-polarised, omnidirectional antenna
DE102013012305A1 (de) 2013-07-24 2015-01-29 Kathrein-Werke Kg Breitband-Antennenarray
KR101756112B1 (ko) 2013-11-05 2017-07-11 주식회사 케이엠더블유 안테나 방사소자 및 다중대역 안테나
KR101690085B1 (ko) * 2013-11-05 2016-12-27 주식회사 케이엠더블유 다중대역 다중편파 무선 통신 안테나
DE102014014434A1 (de) 2014-09-29 2016-03-31 Kathrein-Werke Kg Multiband-Strahlersystem
CN104393422B (zh) * 2014-11-17 2018-05-01 京信通信系统（中国）有限公司 多频阵列天线
WO2019072390A1 (fr) * 2017-10-12 2019-04-18 Huawei Technologies Co., Ltd. Sousréflecteur et dispositif d'alimentation pour un dipôle
EP3794675B1 (fr) * 2018-06-29 2024-01-24 Nokia Shanghai Bell Co., Ltd. Structure d'antenne multibande
WO2020010039A1 (fr) * 2018-07-05 2020-01-09 Commscope Technologies Llc Antennes de station de base multibandes ayant des caractéristiques d'annulation d'effet de radôme
FR3131107A1 (fr) * 2021-12-20 2023-06-23 Tdf Dispositif antennaire à deux réseaux de dipôles et systeme de communication associe

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US5485167A (en) * 1989-12-08 1996-01-16 Hughes Aircraft Company Multi-frequency band phased-array antenna using multiple layered dipole arrays
EP0730319A1 (fr) * 1995-03-03 1996-09-04 Ace Antenna Corporation Système d'antenne avec un réflecteur d'étranglement pour minimiser le rayonnement latéral
DE19860121A1 (de) * 1998-12-23 2000-07-13 Kathrein Werke Kg Dualpolarisierter Dipolstrahler
WO2003065505A1 (fr) * 2002-01-31 2003-08-07 Kathrein-Werke Kg Ensemble antenne rayonnante a double polarisation

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007060083A1 (de) 2007-12-13 2009-06-18 Kathrein-Werke Kg Mehrspalten-Multiband-Antennen-Array
US20110175782A1 (en) * 2008-09-22 2011-07-21 Kmw Inc. Dual-band dual-polarized antenna of base station for mobile communication
CN103178332A (zh) * 2011-12-21 2013-06-26 东莞市晖速天线技术有限公司 一种小型化低频振子及具有该振子的基站天线
WO2014120062A1 (fr) * 2013-01-31 2014-08-07 Cellmax Technologies Ab Agencement d'antennes et station de base
WO2014118011A1 (fr) 2013-01-31 2014-08-07 Cellmax Technologies Ab Agencement d'antennes et station de base
WO2014120063A1 (fr) * 2013-01-31 2014-08-07 Cellmax Technologies Ab Agencement d'antennes et station de base
CN104981939A (zh) * 2013-01-31 2015-10-14 赛尔麦克斯科技公司 一种天线装置以及基站
WO2015029946A1 (fr) * 2013-09-02 2015-03-05 日本電業工作株式会社 Antenne et antenne à secteurs
JP2015050669A (ja) * 2013-09-02 2015-03-16 日本電業工作株式会社 アンテナ及びセクタアンテナ
US11329390B2 (en) 2018-02-23 2022-05-10 Telefonaktiebolaget Lm Ericsson (Publ) Multiband antenna array for mobile radio applications

Also Published As

Publication number Publication date
CN101080845B (zh) 2014-08-27
EP1817815A1 (fr) 2007-08-15
DE102004057774A1 (de) 2006-06-01
DE102004057774B4 (de) 2006-07-20
DE502005003394D1 (de) 2008-04-30
KR101056296B1 (ko) 2011-08-11
EP1817815B1 (fr) 2008-03-19
CN101080845A (zh) 2007-11-28
KR20070083723A (ko) 2007-08-24
ES2301083T3 (es) 2008-06-16
HK1111526A1 (en) 2008-08-08
ATE389957T1 (de) 2008-04-15

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