EP3025395B1 - Réseau d'antennes à large bande - Google Patents

Réseau d'antennes à large bande Download PDF

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Publication number
EP3025395B1
EP3025395B1 EP14733091.4A EP14733091A EP3025395B1 EP 3025395 B1 EP3025395 B1 EP 3025395B1 EP 14733091 A EP14733091 A EP 14733091A EP 3025395 B1 EP3025395 B1 EP 3025395B1
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EP
European Patent Office
Prior art keywords
radiator
radiators
antenna
antenna array
broadband
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EP14733091.4A
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German (de)
English (en)
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EP3025395A1 (fr
Inventor
Maximilian GÖTTL
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Kathrein SE
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Kathrein Werke KG
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    • 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
    • H01Q5/10—Resonant antennas
    • 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
    • H01Q21/061—Two dimensional planar arrays

Definitions

  • the invention relates to a broadband antenna array according to the preamble of claim 1.
  • Antenna arrays are used for example in mobile radio base stations. They serve to send and receive, so to handle the communication with a variety of staying in the respective image cell cell subscribers.
  • the antennas can for this purpose have a suitable directional characteristic.
  • the size of the mobile radio cell can i.a. changed and / or adjusted by different setting of a lowering angle (down-tilt) in their directional characteristic.
  • a generic antenna array comprises, for example, two antenna columns, which usually extend in the vertical direction predominantly in the vertical direction and are arranged side by side in the horizontal direction. There may be other such pairs be provided by antenna columns in the context of the antenna array.
  • each antenna column a plurality of radiator groups are located one above the other in the vertical direction, wherein each radiator group comprises at least one radiator.
  • the spotlights themselves usually sit in front of a reflector. It could be used a variety of spotlights and types of radiators, such as dipole radiators, as they basically from the US 6211841 B1 , of the DE 197 22 742 A , or the DE 196 27 015 A are known.
  • the dipole radiators can have a simple dipole structure or consist of a crossed dipole or a dipole square. So-called vector dipoles, as they are known for example from the WO 00/39894 A1 or the WO 2004/100315 A1 are known.
  • patchmeters should also be mentioned that can emit single or dual polarization. It should also be noted that the mentioned principle can be used for all types of emitters which are used for array antennas, thus for example for dielectric emitters, aperture emitters, slot emitters etc. Restrictions do not exist in this respect.
  • Monoband antennas as well as dual-band antennas or multi-band antennas have become known in the prior art.
  • Such dual-band antennas often operate in the so-called 900 MHz and 1800 MHz or 1900 MHz band, for example, in frequency ranges from about 800 MHz to 1000 MHz on the one hand and 1700 MHz to 2200 MHz on the other hand.
  • emitters are then provided which radiate, for example, in a lower frequency band around 900 MHz on the one hand and in addition emitters which radiate in a higher frequency band, for example in a 1800 MHz or 1900 MHz band.
  • broadband radiators which are used in particular in a high-frequency range, that is, for example, in a range of more than 1700 MHz to, for example, 2700 MHz.
  • broadband radio frequency emitters that can transmit and / or receive in a wide continuous frequency band.
  • broadband antenna arrays which are operable in a range of 1710 MHz to 2690 MHz or, for example, in a range of 698 MHz to 960 MHz, then such broadband radiators can cover continuous frequency ranges which, for example, in the former case have a frequency spectrum of 1100 MHz and in the latter case of 829 MHz.
  • radiators, radiator devices and / or radiator groups in at least two antenna columns or more therefore, much higher data rates in mobile communications can be achieved will be realized.
  • the individual radiators, radiator devices and / or radiator groups in the individual antenna columns are generally operated in two mutually perpendicular polarization planes, these polarization planes preferably at an angle of + 45 ° and -45 ° relative to the horizontal or vertical aligned, so send and / or received in these two orthogonal polarization planes aligned with each other or are circularly polarized right- or left-handed circular or elliptical.
  • an improvement for the suppression of the side lobes by optimizing the column spacing is made possible by the fact that additional radiators are provided in the at least two fixed antenna column spacing antenna columns, ie in each case at least one additional radiator, the only for a higher frequency band or frequency subband in the broadband Frequency spectrum is operated. These operated only in a higher spectrum or partial spectrum of the entire broadband spectrum Additional emitters or additional emitter groups are arranged in a smaller (adapted for the higher frequencies) column spacing from each other, compared with the emitter or column spacing with which the individual emitters and emitter groups are otherwise arranged in the individual antenna columns of the antenna array. These additional radiators for the high-frequency band or subband or for the higher frequency range or frequency subrange are fed via filters that serve as high pass.
  • the broadband, in the antenna array provided in an antenna column radiators or groups of radiators and provided in the respective antenna column additional radiator in the contrast high-frequency sub-spectrum are fed together, optionally with the interposition of phase shifter devices or -Gliedern for setting a different down -Tilt angle.
  • the aforementioned filter for the additional radiator acts as a high pass and binds additional radiators for the higher frequencies only at the higher frequencies with a corresponding adjustable or predetermined power distribution.
  • the mechanical gap spacing between two antenna gaps for example between 0.2 and 1.5 of the wavelength, may be used, the corresponding wavelength being related to the center frequency and the center of the respective radiators covering the entire broadband frequency range. This range is preferably between 0.4 to 0.8 wavelengths.
  • the broadband radiators are radiators having a relative bandwidth of, as mentioned, 25% or more, preferably at least 35%, 40% or even 45%. Relative bandwidths up to 50% and more are quite possible and conceivable.
  • the invention is particularly suitable for high-frequency broadband antenna arrays.
  • the invention can therefore be used preferably in a range above about 1700 MHz.
  • the supply of the high-frequency additional radiator which are operated only in a high frequency band, can be selected or set differently, in particular in relation to the broadband base radiators. So all radiators can be fed with the same power. But it is also possible that, for example, the additional, radiating in a high frequency sub-band radiators are fed with twice as high power as the remaining base radiator. This also allows different electrical gap distances pretend and generate.
  • the antenna arrays can be designed both for the transmitting and for the receiving operation.
  • individual emitters and emitter groups can be provided only for the transmitting and other emitters and emitter groups only for the receiving operation.
  • the emitters or emitter groups provided in each case for the transmission as well as for the reception mode can have the same design or else be constructed differently. This also applies to the number of antenna columns used.
  • the radiators for the higher frequency band are twice as many as the radiators for the lower frequency band because, for example, the radiators in the lower frequency band in a 900 MHz band and the radiators for the higher frequency band, for example transmit and / or receive in the 1800 MHz band, as expressly stated in this prior publication becomes.
  • the radiators in the higher or lower frequency band are also fed separately.
  • each column vertically superimposed emitters, for example, dual-polarized emitters are arranged.
  • the column spacing ie the distance between the radiators or radiator groups between two adjacent columns, according to this prior publication is about ⁇ / 2 based on the average operating wavelength, the column spacing basically in a range of 0.25 ⁇ to 1.0 ⁇ of the operating wavelength , preferably the average operating wavelength can be.
  • radiators or radiator groups In order to lower the horizontal half-width of the radiator or radiator groups to values below 75 ° in such a mono-band antenna array, it is provided that, for example, in each case at least one radiator, which is fed together with all the remaining radiators in an antenna array, not in the same antenna group together with the other powered emitters, but is positioned in the other antenna gaps. Again, this is a different case.
  • FIG. 1 is a schematic plan view of a first embodiment of the invention explained.
  • the mobile radio antenna 1 shown in FIG. 1 in the form of an antenna array 1 comprises, for example, two antenna columns 5, 5a, 5b, which are usually in the vertical direction or predominantly aligned in the vertical direction.
  • the mobile radio antenna 1 for example, be aligned with respect to the vertical more or less slightly inclined.
  • phase shift devices are usually provided in order not only to predetermine a down-tilt angle from a mechanical point of view, but also to be able to set the angle differently and thus variably if necessary by changing the phase shifter elements. In this respect, reference is made to known solutions.
  • Such an antenna array 1 usually comprises a reflector 7 which then extends vertically or at least approximately vertically according to the preferred vertical orientation of the antenna array. Before this reflector 7 are then in FIG. 1 arranged emitters or emitter groups arranged.
  • a radiator group 9 is provided in the left as well as in the right-hand antenna column 5, ie, 5a, 5b, each at a vertical distance above each other, which consists of at least one radiator 11 or at least comprises a radiator 11.
  • two radiator groups 9 are provided in each of the two antenna gaps 5, each of which contains a radiator 11 which may be designed, for example, as a simply polarized or dual-polarized radiator.
  • so-called vector emitters are used, which are dualpolarinstrument operable.
  • vector radiators are for example from the Vorverö Getungen WO 00/39894 A1 or WO 2004/190315 A1 to be known as known.
  • These vector radiators can at least approximately in plan view or ansatzweise have a square shape, wherein the running in square shape radiating elements or radiator surfaces are arranged at a distance A relative to the reflector 7 and are anchored via a corresponding antenna base and / or symmetry 13 usually on the reflector, galvanic or capacitive ( FIG. 2 ).
  • the reflector may also consist of a printed circuit board, which may be coated with a corresponding electrically conductive layer in the form of a metallization.
  • FIG. 2 is a schematic side view of the antenna array according to FIG. 1 to see. It can also be seen from this that the antenna columns or the reflector 7 can be surrounded or bounded by webs 15 which rise relative to the reflector plane 7 'and which are oriented perpendicular or inclined to the reflector plane 7'. Such webs can also be formed as separating webs 15 'between the two antenna gaps 5a and 5b shown. Also, a top and bottom, the antenna gaps horizontally limiting web 17 may be provided.
  • radiator groups or radiators 9, 11 are arranged in each antenna column 5 along a vertical mounting direction 19 at a predetermined vertical distance from each other, ie in particular the centers 9 'of the radiator groups 9 and the centers 11' of the radiator 11. Whenever these centers 9 ', 11' are positioned centrally in the respective antenna column 5, which is preferred but not mandatory.
  • FIG. 1 It can also be seen that the width B of the two antenna columns is the same size. Furthermore, it is off FIG. 1 it can be seen that the middle extending in a vertical plane web 15 'between the two antenna columns 5a, 5b simultaneously forms a perpendicular to the reflector plane 7' aligned symmetry plane SE, with respect to the two antenna columns 5a, 5b are formed and arranged, including the broadband Emitter 11 and / or the broadband radiator groups 9 as well as the subsequently explained additional radiator 21.
  • the radiator groups 9 and / or the one or more provided in the radiator groups one or more radiators 11 must not always be arranged necessarily on a common contour line. With an appropriate distance from each other they can nevertheless be positioned offset in the vertical direction in the respective antenna gaps.
  • FIG. 3 merely serves to better illustrate the mode of action. It can be seen that the centers 9 ', 11' of the emitter groups 9 and the emitters 11 are positioned at a distance a with respect to the emitters arranged in the respective adjacent antenna gaps, ie with a vertical spacing of the antenna gaps at a horizontal distance a from each other positioned are, which is preferably between 0.25 ⁇ to 1.0 ⁇ , for example, ⁇ / 2 based on the average operating wavelength. In the following, it is assumed that this horizontal distance a between the centers of the radiator groups 9 or radiator 11 in the two adjacent antenna columns 5, even if the centers of the radiator groups or radiators are not positioned exactly on the same contour, but at different altitudes.
  • the optimum column spacing can not be achieved because it changes greatly over the large frequency range.
  • the relative column spacing relevant to the radiation pattern varies with respect to the wavelength ⁇ due to the very large bandwidth of the antenna.
  • radiators 11 which are arranged in the left antenna column 5a, are fed together, as well as arranged in the right antenna column 5b emitters 11, which are also fed together, each fed together per polarization (the individual one above the other positioned emitters or emitter groups can also be adjusted differently via phase links and variably adjustable phase elements such as phase shifters in their phase position, despite the common feed, in order to be able to set different down-tilt angles).
  • radiator 21, ie 21a and 21b per antenna column 5 at least one additional radiator 21, ie 21a and 21b is inserted, which is also single, dual, circular or elliptical polarized, according to the radiators 11, which are also single, dual, circular or elliptical polarized.
  • the additional radiator 21a in the first antenna column 5a is also fed together with the further broadband radiators 11 in the first antenna column 5a, as well as the further auxiliary radiator 21b in the second antenna column 5b with the broadband provided there in the second antenna column 5b Radians 11 is fed together.
  • these additional radiators 21a and 21b are intended to transmit and / or receive only in a higher partial frequency range or partial frequency band, preferably of the broadband frequency range (frequency band), in which also the radiators 11, which in some cases also serve as broadband base radiators 11 be designated, send and / or received.
  • these additional radiator 21, so the so-called auxiliary radiator 21, are not fed at low frequencies.
  • These additional radiators 21 are each arranged at a closer distance, in particular horizontal distance b (b indicates the distance between the centers 21'a and 21'b of the respective additional radiators 21a and 21b), with the one Emitter 21 of the left antenna column 5a and the second additional emitter 21 of the right antenna column 5b is assigned or positioned there.
  • the broadband radiator 11 as well as the additional radiator 21 may be fed with the same power or the same amplitude.
  • the additional radiators are supplied to the broadband radiator with higher power or higher amplitudes, for example, twice as high power.
  • a low power or low amplitude feed with respect to the supplemental emitters would be possible over the broadband emitters. In that case, however, the desired effect with regard to a reduction in the electrically effective gap between the antenna gaps would also be lower, which is generally undesirable.
  • these additional emitters 21 are preceded independently of one another in the respective antenna gaps 5a and 5b by a filter function or a filter F, as is fundamentally described in US Pat FIG. 4 is shown.
  • the filter F acts in each case as a high-pass or bandpass or as a band-stop filter for lower frequencies and binds the additional radiator for the higher frequencies with a desired power distribution.
  • the filter function F i. in particular the mentioned filter F, in particular for feeding the auxiliary radiator 21 in a higher frequency band or a higher partial frequency band compared to the broadband frequency band which is transmitted and / or received via the broadband radiator 11, is preferably part of a distribution network or Distribution network N, wherein a distribution network Na for the co-fed broadband radiator 11a and the at least one associated additional radiator 21a and a distribution network Nb for the common broadband radiator 11b and the at least one associated additional radiator 21b is provided.
  • each distribution network Na and Nb can be formed separately again for the respective polarization of the preferably dual-polarized radiators. Reference is made in this respect to known and customary methods and solutions.
  • the mentioned broadband radiators 11, ie 11a and 11b are broadband radiators having a relative bandwidth of preferably more than 25%, in particular more than 30%, 35%, 40% or even more than 45% (im Extreme case even more than 50%) can send and / or receive. Especially with such broadband radiators there is the problem of undesirable side lobe formation whose emergence or influence should be avoided in the invention or significantly reduced in the effect.
  • the filter group upstream of the auxiliary radiators 21 F ensures that these additional radiators 21a and 21b radiate only in a subfrequency band of, for example, 2300 MHz to 2690 MHz (or, for example, only in a subfrequency band of 2500 MHz to 2690 MHz), ie send and / or receive.
  • the emitters 9 'in each antenna column 5 are jointly fed with the plane-associated single or multiple additional emitters 21, whereby only a higher subfrequency band in the emitter 21 is filtered by the mentioned filter F, preferably in the form of a bandpass filter. and / or receive mode is assigned.
  • the mentioned filter F preferably in the form of a bandpass filter.
  • / or receive mode is assigned.
  • 9 phase actuators in particular variable phase actuators can be provided between the individual superimposed radiators 11 or radiator groups, in particular to be able to set a different down-tilt angle despite the common supply of the radiator in the respective antenna array.
  • the frequency ranges emitted via the additional radiators are emitted at a center frequency f H which is higher than the center frequencies f T with respect to the broadband frequency range which is transmitted or received via the broadband radiators 11 ,
  • the frequency subband emitted with the higher center frequency f H overlaps with the one with a comparatively lower one Center frequency f H radiated broadband overall frequency band.
  • radiator groups 9 are each arranged with a radiator 11, and also, as in the previous embodiments, in a regular vertical distance v between the adjacent centers 9 ' or 11 'of the radiator groups 9 and the radiator 11 to each other.
  • an additional radiator 21, ie 21a is preferably centrally located between them and offset to the respectively adjacent antenna gaps and 21b which transmits and / or receives in the high-frequency sub-frequency band.
  • the antenna arrangement in this exemplary embodiment is such that the radiators or radiator groups 11, 9 in the two upper regions or halves 105a of the antenna columns 5 for the transmission mode TX and the radiator and radiator groups 11, 9 in the two lower regions or halves 105b of the antenna columns 5 are provided for the receiving operation RX.
  • FIG. 6 Based on FIG. 6 is a modification to that extent FIG. 5 made, as here only in the upper half 105a for the transmission mode Tx for changing the effective horizontal distance between the antenna columns and the centers of the radiator mentioned and explained additional radiator 21 are provided. Regarding the in FIG. 6 in the lower region, ie the lower half 105b provided in the two antenna columns 5a, 5b broadband radiator 11 (or radiator groups 9 with the broadband radiators 11) are provided for the receiving operation Rx no additional auxiliary radiators 21 in the antenna columns.
  • FIG. 7b is the mobile radio antenna according to the invention with the two antenna columns according to the structure according to FIG. 1 to FIG. 4 formed and provided centrally, each outside an additional antenna gaps 5 'and 5 "is provided, which is operated in a conventional manner - as in the prior art - without additional radiator 21.
  • FIG. 8a now shows an embodiment in an expanded form, in which, for example, two pairs of antenna columns 5a, 5b are provided, which are arranged side by side in the horizontal direction.
  • each emitter group 9 comprises only one emitter 11, preferably a dual-polarized emitter, for example in the form of the vector dipole known from the prior art.
  • each radiator 9 is preferably in the middle between and on the respective adjacent antenna column 5 to shifted an additional radiator 21 is arranged.
  • n radiators or radiator groups 11, 9 arranged one above the other therefore, n-1 additional radiators 21 are provided in each antenna column 5.
  • the mechanical structure as the electrical mode of action with respect to the two in FIG. 8a shown left antenna columns 5a and 5b and the associated radiator and the electrical operation with respect to in FIG. 8a shown right two antenna columns 5a and 5b with the provided there broadband radiators 11 and auxiliary radiators 21 similar to that of the FIGS. 1 to 4 described embodiment.
  • FIG. 8b shows a corresponding modification FIG. 8a , similar to the modification of FIG. 7b across from Figure 7a ,
  • the mentioned additional radiator 21 are arranged in accordance with the described structure only with respect to the two middle antenna columns accordingly.
  • the antenna array comprises only two antenna columns 5, with the n-1 spaced apart along an add-on line 19 emitters or radiator groups 11, 9 and in a corresponding cultivation line 19 ' positioned in each antenna column auxiliary radiators 21, these two attachment lines 19, 19 'and thus the centers of these additional radiators 21 are arranged at a closer distance b to each other, ie asymmetric to the central longitudinal plane in a respective antenna column.
  • each additional radiator 21 for each antenna column can also be done inversely to the previous embodiments.
  • the variant according to FIG. 9 differs the electrical interconnection of the radiator 11 and the radiator groups 9 and the positioning of the additional radiator 21.
  • this co-fed auxiliary radiator 21a in the other antenna column namely in the antenna column 5b is positioned (the filtering means for ensuring that the auxiliary radiators can transmit and / or receive only in a partial frequency range of the entire broadband frequency range are not drawn in).
  • the filtering means for ensuring that the auxiliary radiators can transmit and / or receive only in a partial frequency range of the entire broadband frequency range are not drawn in).
  • FIG. 9 left additional radiator 21b in the left antenna column 5a sits, although it is fed together with the sitting in the right antenna column 5b broadband radiators.
  • each of these radiator groups 9 can comprise more than one radiator 11, for example.
  • each emitter group 9 comprises two emitters 11 which are each fed together and in phase (although three or even more emitters may be provided in each emitter group or may be provided only in a part of the emitter groups, and in this case to a radiator groups 9 belonging emitters not only in the vertical cultivation direction one above the other but if necessary also in addition horizontally next to each other in a common antenna column can sit).
  • an additional radiator 21 is provided for each of the radiator groups 9, the under Intermediate circuit of a filter F is also fed together with the respective same radiator group 9 belonging radiator 11, so also in-phase, unless an additional phase shift element is still provided.
  • each set in the vertical direction emitter group 9 can be fed with a different phase.
  • all radiators 11 and auxiliary radiators 21 in each antenna column for each polarization are fed together, but this does not rule out that different phase angles can be set in each case for the different radiators or radiator groups positioned one above the other in the vertical direction.
  • reference is made to known solutions for setting a down-tilt angle for example to the prior publication EP 1 208 614 B1 ,
  • a corresponding construction using a phase shifter 25, i. 25b can also be provided for the second antenna gaps 5, 5b, by means of which the phase position can be set differently for the radiators 11 and additional radiators 21 provided there.
  • variable beam reduction can be set in addition to the solution according to the invention.
  • the individual diagrams and thus also the diversity and the MimO applications can be significantly improved compared to conventional solutions.
  • the use of the supplemental emitters results in a more constant realization of the radiation pattern, in particular by the desired sidelobe suppression, which otherwise occurs in solutions according to the prior art.
  • the lateral offset of the positioning of the additional radiator 21 brings about a clear improvement in "beamforming". Operation, ie the base station controls the two antenna columns 5, 5a, 5b in such a way that a variable beam swing or change in the half-width is also achieved in the horizontal plane.

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

Claims (17)

  1. Réseau d'antennes, en particulier pour la téléphonie mobile, présentant les aspects suivants :
    - le réseau comprend au moins une paire de colonnes d'antennes (5 ; 5a, 5b) alignées pour s'étendre dans un sens vertical ou essentiellement dans un sens vertical et positionnées l'une à côté de l'autre dans un sens horizontal,
    - dans au moins deux colonnes d'antennes (5 ; 5a, 5b) se situe respectivement au moins un groupe d'émetteurs (9) comprenant au moins un émetteur (11) qui émet ou reçoit selon une simple polarisation, une double polarisation ou une polarisation circulaire ou elliptique,
    - l'au moins un émetteur (11 ; 11a, 11b) est conçu sous la forme d'un émetteur à haut débit (11 ; 11a, 11b) de manière à pouvoir émettre et/ou recevoir des signaux HF avec une bande passante relative ≥ 25 %,
    - dans au moins deux colonnes d'antennes (5 ; 5a, 5b), il est prévu respectivement au moins un émetteur complémentaire (21 ; 21a, 21b),
    - les au moins deux émetteurs complémentaires (21 ; 21a, 21b) sont agencés de manière que les centres (21'a, 21'b) des au moins deux émetteurs complémentaires (21 ; 21a, 21b) sont écartés d'une distance latérale horizontale (b) qui est plus petite que la distance latérale (a) existant entre les centres (9', 11') des groupes d'émetteurs (9) ou des émetteurs (11) présents dans les deux colonnes d'antennes (5 ; 5a, 5b),
    caractérisé en ce qu'il présente en outre les aspects suivants :
    - les émetteurs à haut débit (11 ; 11a, 11b) présents dans une même colonne d'antennes (5 ; 5a, 5b) sont alimentés en commun avec l'au moins un émetteur complémentaire (21 ; 21a, 21b), et
    - un réseau de distribution (N ; Na, Nb) est prévu pour l'au moins un groupe d'émetteurs (9 ; 9a, 9b) comportant l'au moins un émetteur (11; 11a, 11b) correspondant, lequel réseau de distribution est doté d'une fonction de filtrage (F) correspondante pour l'au moins un émetteur complémentaire (21 ; 21a, 21b) correspondant et est agencé de manière que l'au moins un émetteur à haut débit (11 ; 11a, 11b) émette et/ou reçoive dans une plage de fréquences à large bande, et ce avec une fréquence centrale (fT) qui est inférieure à une bande de fréquences ou une bande de fréquences partielle relativement plus élevée dotée d'une fréquence centrale (fH), laquelle bande de fréquences ou bande de fréquences partielle est émise ou reçue par le biais de l'émetteur complémentaire (21 ; 21a, 21b) respectif
  2. Réseau d'antennes selon la revendication 1, caractérisé en ce que le filtre (F) est conçu sous la forme d'un filtre passe-haut, filtre coupe-bande ou filtre passe-bande.
  3. Réseau d'antennes selon la revendication 1 ou 2, caractérisé en ce que la fonction de filtrage (F), en particulier sous forme de filtre passe-haut, filtre coupe-bande ou filtre passe-bande, comprend un circuit adaptateur destiné à adapter l'impédance d'émetteur au réseau d'alimentation.
  4. Réseau d'antennes selon l'une des revendications 1 à 3, caractérisé en ce que le réseau de distribution (N ; Na, Nb) est conçu de manière que la distribution d'amplitude par rapport à l'au moins un émetteur complémentaire (21 ; 21a, 21b) ou à la pluralité d'émetteurs complémentaires (21 ; 21a, 21b) pour la plage de fréquences ou plage de fréquences partielle supérieure est adaptée de manière uniforme à la distribution d'amplitude des émetteurs à haut débit (11 ; 11a, 11b) par rapport à la plage complète de fréquences.
  5. Réseau d'antennes selon l'une des revendications 1 à 3, caractérisé en ce que le réseau de distribution (N ; Na, Nb) est conçu de manière que l'au moins un émetteur complémentaire (21 ; 21a, 21b) présent dans chaque colonne d'antennes (5a, 5b) est alimenté ou fonctionne avec une amplitude ou une puissance plus élevée que les émetteurs à haut débit (11 ; 11a, 11b).
  6. Réseau d'antennes selon l'une des revendications 1 à 3, caractérisé en ce que le réseau de distribution (N ; Na, Nb) est conçu de manière que l'au moins un émetteur complémentaire (21 ; 21a, 21b) présent dans chaque colonne d'antennes (5a, 5b) est alimenté ou fonctionne avec une amplitude ou une puissance inférieure ou égale aux émetteurs à haut débit (11 ; 11a, 11b).
  7. Réseau d'antennes selon l'une des revendications 1 à 6, caractérisé en ce que les émetteurs à haut débit (11 ; 11a, 11b) sont disposés dans les au moins deux colonnes d'antennes (5 ; 5a, 5b) à la même hauteur ou sont décalés les uns par rapport aux autres dans le sens vertical.
  8. Réseau d'antennes selon l'une des revendications 1 à 7, caractérisé en ce que la distance inter-colonne (a) mécanique entre le milieu des deux colonnes d'antennes (5 ; 5a, 5b) voisines va de 0,2 λ à 1,2 λ, par rapport à la fréquence moyenne des émetteurs à haut débit (11 ; 11a, 11b) pour la plage complète de fréquences, de préférence de 0,4 λ à 0,8 λ.
  9. Réseau d'antennes selon l'une des revendications 1 à 8, caractérisé en ce que les émetteurs à haut débit (11 ; 11a, 11b) sont conçus de manière à pouvoir émettre et/ou recevoir dans une plage de fréquences allant de 1650 MHz à 2900 MHz, en particulier dans une plage de fréquences allant de 1710 MHz à 2690 MHz.
  10. Réseau d'antennes selon l'une des revendications 1 à 8, caractérisé en ce que les émetteurs complémentaires (21 ; 21a, 21b) sont conçus de manière à pouvoir émettre et/ou recevoir dans une plage de fréquences allant de 2300 MHz à 2600 MHz.
  11. Réseau d'antennes selon l'une des revendications 1 à 8, caractérisé en ce que les émetteurs à haut débit (11 ; 11a, 11b) sont conçus de manière à pouvoir émettre et/ou recevoir dans une plage de fréquences allant de 698 MHz à 960 MHz, en particulier dans une plage de fréquences allant de 790 MHz à 960 MHz ou de 880 MHz à 960 MHz.
  12. Réseau d'antennes selon l'une des revendications 1 à 11, caractérisé en ce que les émetteurs à haut débit (11 ; 11a, 11b) sont conçus de manière à fonctionner avec une bande passante relative supérieure à 25 %, en particulier supérieure à 30 %, 35 %, 40 %, 45 %, 50 %, 55 %, 60 %, 65 %, 70 %, 75 %, 80 %, 85 %, 90 %, 95 % ou de préférence avec une bande passante relative supérieure à 100 % ou allant au moins jusqu'à 100 %.
  13. Réseau d'antennes selon l'une des revendications 1 à 12, caractérisé en ce que le réseau de distribution (N ; Na, Nb) est conçu sur une carte de circuit imprimé.
  14. Réseau d'antennes selon l'une des revendications 1 à 13, caractérisé en ce que le réseau de distribution (N ; Na, Nb) est conçu à l'aide de câbles et de filtres.
  15. Réseau d'antennes selon l'une des revendications 1 à 14, caractérisé en ce que le réseau d'antennes comprend des groupes d'émetteurs (9) et des émetteurs (11) qui sont conçus pour le fonctionnement en émetteur et récepteur (Tx, Rx) de manière identique, différente et/ou séparée.
  16. Réseau d'antennes selon l'une des revendications 1 à 15, caractérisé en ce que la plage de fréquences plus élevée reçue et/ou émise par le biais des émetteurs complémentaires (21 ; 21a, 21b) avec une fréquence centrale (fH) plus élevée et la plage de fréquences à haut débit avec une fréquence centrale (fT) relativement plus basse se chevauchent complètement ou seulement partiellement ou sont disposées de manière séparée et notamment décalée l'une par rapport à l'autre.
  17. Réseau d'antennes selon l'une des revendications 1 à 16, caractérisé en ce que le réseau de distribution (N ; Na, Nb) comprend des déphaseurs (25 ; 25a, 25b) réglables.
EP14733091.4A 2013-07-24 2014-06-26 Réseau d'antennes à large bande Active EP3025395B1 (fr)

Applications Claiming Priority (2)

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DE102013012305.4A DE102013012305A1 (de) 2013-07-24 2013-07-24 Breitband-Antennenarray
PCT/EP2014/001732 WO2015010760A1 (fr) 2013-07-24 2014-06-26 Réseau d'antennes à large bande

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EP3025395A1 EP3025395A1 (fr) 2016-06-01
EP3025395B1 true EP3025395B1 (fr) 2017-08-02

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US (1) US9991594B2 (fr)
EP (1) EP3025395B1 (fr)
CN (1) CN105409059B (fr)
DE (1) DE102013012305A1 (fr)
WO (1) WO2015010760A1 (fr)

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US11283195B2 (en) 2018-01-24 2022-03-22 John Mezzalingua Associates, LLC Fast rolloff antenna array face with heterogeneous antenna arrangement
CN111786081A (zh) * 2019-04-04 2020-10-16 康普技术有限责任公司 具有集成阵列的多频带基站天线
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Publication number Publication date
WO2015010760A1 (fr) 2015-01-29
US9991594B2 (en) 2018-06-05
CN105409059B (zh) 2019-03-08
DE102013012305A1 (de) 2015-01-29
US20160172757A1 (en) 2016-06-16
CN105409059A (zh) 2016-03-16
EP3025395A1 (fr) 2016-06-01

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