EP2548262A1 - Breitbandige omnidirektionale antenne - Google Patents
Breitbandige omnidirektionale antenneInfo
- Publication number
- EP2548262A1 EP2548262A1 EP11708004A EP11708004A EP2548262A1 EP 2548262 A1 EP2548262 A1 EP 2548262A1 EP 11708004 A EP11708004 A EP 11708004A EP 11708004 A EP11708004 A EP 11708004A EP 2548262 A1 EP2548262 A1 EP 2548262A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- radiator
- antenna
- antenna according
- slot
- base plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/32—Vertical arrangement of element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/12—Longitudinally slotted cylinder antennas; Equivalent structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/16—Folded slot antennas
-
- 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
Definitions
- the invention relates to a broadband omnidirectional antenna according to the preamble of patent claim 1.
- Omnidirectional antennas are used, for example, as indoor antennas. They are multiband capable and preferentially emit with a vertical polarization orientation. You can do this include a ground or ground plate, which may be designed, for example, disk-shaped, on the transversely and in particular perpendicular to the base plate a monopole radiator rises. The entire assembly is usually covered by means of a protective housing, ie an antenna cover (radome).
- a generic omnidirectional and thereby vertically polarized antenna has become known for example from EP 1 695 416 Bl.
- the known monopole radiator rises vertically above a base plate or counterweight surface, from which it is galvanically isolated.
- the vertically polarized monopole radiator At least approximately assumes a conical or frusto-conical radiator section (which points away from the base plate or counterweight surface with its divergent extension) and / or a cylindrical or cup-shaped radiator section.
- the counterweight surface is adjoined first by the conical or frustoconical radiator section facing away from the counterweight surface with its diverging extension, which then merges into a tubular radiator section.
- a preferred supply via a serial line coupling, which is formed in the central or symmetry axis of the monopole radiator.
- Such an antenna type has proven particularly useful as an indoor antenna. It is characterized by its wide bandwidth and simultaneous operation in different frequency ranges, and this with a very low overall design.
- omnidirectional antennas explained above, fundamentally completely different types of antenna have become known.
- US 5,220,337 A describes. a directional radiator, which is formed, for example in the form of a cavity radiator with a plurality of circumferentially spaced slots at its circumferential side walls, wherein the slots are fed separately via separate coaxial lines.
- an antenna for the satellite reception is known as known.
- This antenna comprises a broadband omnidirectional antenna with a monopole radiator which is vertically polarized and extends over a base plate or counterweight surface. che rises.
- the omnidirectional antenna is designed as a dual-polarized antenna, wherein the dual-polarized antenna in addition to the vertically polarized monopolar radiator comprises a horizontally polarized beam 1er.
- Object of the present invention is to provide an omnidirectional antenna, which is basically broadband, opens up a wider range of applications compared to the prior art and also claim little space.
- the antenna according to the invention now consists of a dual-polarized omnidirectional antenna and comprises a vertically polarized monopole radiator and an additional horizontally polarized radiator device.
- the solution according to the invention can be realized in that slits extending in the circumferential direction in a conical and / or cylindrical emitter or emitter section of a vertically polarized monopole emitter are inserted in the axial longitudinal direction of the emitter.
- this can be done by using corresponding coupling pins or coupling lines, which are preferably arranged inside in the hollow, rotationally symmetrical or at least approximately rotationally symmetrical monopole - shaped radiator so that they in the same
- the slots in the lateral surface of the at least approximately rotationally symmetrical monopole radiator intersect.
- the Feeding is preferably carried out by a central star-shaped distribution point in the interior of the surrounded by a lateral surface monopole radiator.
- the feed structure can be formed differently.
- a central feed point (on a printed circuit board) may be provided from which the feed lines for the slot radiators emanate.
- the feed can also be made via coaxial cable or any other lines consisting of at least two conductors (two-wire line, microstrip, slotline, etc.), wherein the outer conductor of each coaxial cable (a conductor) with respect to each slot on one side of the slot and the inner conductor (the other conductor) crossing the slot is electrically (or capacitively) electrically coupled on the other side of the slot.
- the feed structure for the horizontally polarized radiator can also take place, for example, via a microstrip line structure.
- a disk-shaped substrate dielectric
- a disk-shaped substrate is preferably arranged in the interior of the conical, truncated cone and / or cylindrical monopole radiator, parallel to the counterweight surface, with radial feed lines leading from a central star-shaped distribution point outside and there in the same circumferential direction partially circular in a minimum possible predetermined distance to the lateral surface of the cylindrical or frusto-conical monopole radiator are led to a terminal end, said part-circular line sections intersect the slots and thereby stimulate.
- a multiple Vival- di-antenna arrangement is proposed as a feed structure for the slots in the shell of the monopole radiator.
- a Vivaldi antenna is known to be a special case of a "longitudinal antenna", more particularly a special case of a “tapered slot antenna” (TSA), with the edges or edges of the slot preferably from a closed end to its open end expand in a funnel shape with a defined exponential formula.
- TSA tapeered slot antenna
- This funnel-shaped slot thus serves as a radiating element, wherein the feeding and excitation of the slot can take place via a feeding microstrip line crossing the slot.
- Vivaldi antennas can be realized in a very broadband manner.
- Vivaldi antennas or other, in particular linearly taped slot antennas have an advantage in so far as they are structurally simple to implement, can be arranged within the rotationally symmetrical hollow body of the monopole radiator (thus not to an enlargement contribute to the overall height) and, in particular, the preferred exponential funnel shapes, that is to say the various emission directions of the Vivaldi antennas, can be aligned directly with the slots in the rotationally symmetric or rotationally similar design of the shell surface of the monopole radiator.
- the number of mentioned slots in the lateral surface of the at least approximately rotationally symmetrical monopole radiator can be chosen differently.
- at least three or four slots extending in the circumferential direction of the lateral surface of the monopole radiator are provided.
- the length and width of the slots can be optimized according to the frequency ranges to be used.
- the slots open in the vertical beam direction of the raonopolformigen radiator open, but may also be formed closed in particular with correspondingly longer dimensioning.
- the slot structure in the circumferential direction can be repetitively designed so that it is U-shaped, ie consists of a double slot, in which case the electrically conductive surface remaining between the double slot can be held by a dielectric support structure, for example for filling inserted in the slots are.
- the feeding of the vertically polarized radiator device can be done via the central axis, i. the axis of symmetry of the monopole radiator, for example by means of a serial (capacitive) coupling for the monopole-shaped vertically polarized radiator, as described in DE 103 59 605 B4.
- the feed of the horizontally polarized radiator is preferably realized by means of a coaxial cable which extends once through a passage opening in the mass or counterweight surface and is arranged with a predetermined cable length on the counterweight surface, until the coaxial cable passes through a further passage opening in the lateral surface of the monopole-shaped radiator, where it is electrically conductively connected to this lateral surface, for example, is guided into the interior thereof, up to an abovementioned star-shaped distributor point of a corresponding feed structure for exciting the slots.
- the coaxial feeders for the horizontally polarized radiator device which extend outside the generally rotationally symmetrical monopole radiator, preferably have a length which is chosen such that it is not a multiple of ⁇ / 2 of an operating wavelength used by the vertically polarized radiator.
- the feed for the vertically and horizontally polarized radiator but also vice versa, so that, for example, the supply of horizontally polarized radiator in the vertical central or symmetry axis takes place and the supply for the vertically polarized monopole radiator outside this Central or symmetry axis.
- a spatial representation of a first embodiment according to the invention of an omnidirectional antenna a spatial flatter representation in deviation to Figure 1 only with respect to the monopole radiator with introduced in the radiator shell longitudinal or vertical slots; a schematic axial cross-sectional view perpendicular to the counterweight surface with respect to the embodiment of Figure 1 or 2; a partial schematic representation of a serial (capacitive) supply of the monopole radiator; a schematic plan view of a first inventive feed structure using multiple Vivaldi antennas; a corresponding view to Figure 5, but on the back of reproduced in Figure 5 board or dining structure; a vertical longitudinal sectional view comparable to Figure 3 but with respect to a modified monopole radiator; a perspective view of a modified embodiment of an omnidirectional antenna without playback of the counterweight surface; a partial view of a vertical slot in the lateral surface of the monopole radiator 1 in the case of a coaxial feed structure; and a modified to Figure 1 exemplary embodiment using double slots.
- the dual-polarized omnidirectional antenna comprises a substantially vertically polarized antenna device 1 (ie a substantially vertically polarized radiator 1) and a substantially horizontally polarized antenna device 3 (ie substantially horizontally polarized radiator device). 3).
- the entire antenna arrangement is constructed on a base, base or ground plate 5 or surface 5, which is also referred to below as a counterweight surface 5 or reflector 5.
- this counterweight surface 5 is circular or disk-shaped. But completely different shapes are possible.
- the counterweight surface 5 may be formed, for example, square, rectangular, oval, etc., in general also n-polygonal, etc. Other embodiments of the counterweight surface, e.g. as a grid, are conceivable.
- the vertically polarized antenna device 1 consists essentially of the mentioned monopole-like radiator device 1, which is designed in the embodiment shown hollow cylinder linderförmig. In other words, the vertically polarized monopole radiator 1 is at least approximately rotational body 11, i.
- the rotary body 11 in particular as an inner hollow rotary body 11 with a rotary or radiator sheath IIa formed the rotationally symmetric to a central or symmetry axis 9.
- the rotary body 11 has a predetermined height H, which measures from the counterweight surface 5 to the upper edge 13 of the cylindrical monopole radiator 1.
- the monopole-shaped steel 1 in the embodiment shown in the form of a cylindrical radiator la, is galvanically separated from the mass or counterweight surface 5, as in particular in the very oblique perspective representation according to Figure 2 and in the axia-. len vertical sectional view of Figure 3 can be seen.
- the cylindrical radiator device la next to the here cylindrical radiator shell IIa the cup-shaped, adjacent to the ground or counterweight surface 5 extending bottom IIb includes.
- An insulating sleeve 21 is then placed on top, with a widened abutment flange 21a underneath, onto which then the vertically polarized radiator device 1, 1a formed with a cylindrical coupling section 11c with ih-
- the cylindrical radiator shell 11a is electrically connected to the cylindrical coupling section 11c via the bottom IIb, that is to say is galvanically connected.
- the radiator 1 are fed with its electrically conductive radiator shell IIa via an inner conductor 17b, which passes through an electrically connected to the counterweight surface 5 outer conductor 17a thereof, whereby a coaxial connector 17 in the area the recess of the counterweight surface 5 is formed (as seen in Figure 3).
- an insulator is also provided between the inner and outer conductors and between the counterweight surface 5 and the base IIb, by means of which the emitter 1 is kept separate from the counterweight surface 5 and the inner conductor 17b from the outer conductor 17a.
- Vivaldi antenna devices 25 are “tapered slot antennas" (TSAs) - ie widened slot antennas. These are therefore broadband antennas, which also serve as the sole radiating elements. For example, be used in the millimeter wave range. Often they are realized on a double-sided metallized substrate 23.
- the dielectric 23 is disc-shaped and has a diameter which is equal to or slightly smaller than the inner diameter of the cylindrical electrically conductive jacket IIa.
- Vivaldi antennas 25 are provided on this disc-shaped substrate 23 at equal intervals in the circumferential direction, ie, in other words, they are formed offset in the circumferential direction relative to one another at a 90 'spacing.
- Each of the slot-shaped recesses 29 begins with a circular recess 33 usually adjacent to the vicinity of the center 31 of the substrate 23, wherein of the four circular, also offset in 90 'circumferentially recesses 33 each outwardly funnel-shaped widening slot-shaped Structure 29 emanates, in the region of which the substrate 23 is freed from a conductive layer.
- this circular space 33 which is formed by the slot-shaped recess 29 Slot line 29 'broadband completed, this circular space 33 is preferably by a quarter wavelength long.
- the slot-shaped recesses 29, which widen outwards in the shape of a funnel extend in the radial direction, ie they are preferably symmetrical with respect to a radial vector passing through the center 31.
- edges 29 "of the slot-shaped recess 29 delimiting the slot lines 29 ' can be designed differently for adapting the broadband of the antenna.”
- these slot lines 29' have a funnel-shaped widening towards the outside, the curve of the edges 29 delimiting the slot lines 29 ". can follow an exponential function.
- each slot feed line 35 initially runs with a radial line section 35a, to which a second line section 35b which extends at right angles thereto in the exemplary embodiment shown (which runs parallel to the radial vectors emanating from the center 31), and then into one to third, again right angle angled line section 35c, which cuts the respective slot line 29 'transversely and preferably vertically.
- a radial line section 35a to which a second line section 35b which extends at right angles thereto in the exemplary embodiment shown (which runs parallel to the radial vectors emanating from the center 31), and then into one to third, again right angle angled line section 35c, which cuts the respective slot line 29 'transversely and preferably vertically.
- Other, for example, arcuate courses of the feeders 35 are also possible.
- the strip-line-shaped slot lines 35 on the substrate are closed with a corresponding surface element 35d, which may be triangular or circular-sector-shaped or similar.
- the respective multiple bends of the feed slot lines 35 take place in the same direction in the circumferential direction, so that a next slot line section 35b and so on adjoin each radial line section 35a in the circumferential direction continuously in the same direction.
- the mentioned slot supply lines 35 are formed on the upper side 23b of the substrate 23, ie opposite the slot lines 29 'of the Vivaldi antennas 25 (see Figure 6, wherein the formed on the opposite side of the substrate 25 slot lines 29' are shown by dashed lines ).
- a coaxial feed line leading to the branching point 37 for this horizontal antenna arrangement is connected such that the outer conductor of a coaxial cable 41 is galvanically connected to the conductive layer 27 on the underside 23b of the substrate 23, whereas the inner conductor of such a coaxial cable connection passes through an opening in the substrate 23 is guided upward and galvanically connected to the central star branch point 37.
- the individual are funnel-shaped outwardly widened Slot lines 29 'arranged so that their outwardly facing opening portions 29a each adjacent to in the lateral surface IIa of the cylindrical radiator device 1, la extending slots 43 terminate, so that via the respective Vivaldi antenna or generally the "tapered slot” antenna 25 of corresponding vertical slot 43 is excited.
- the board or feed structure is therefore also characterized in that the slot lines 29 * resulting from the free spaces 33 outgoing slot lines 29 'on the board or the substrate 23 for all slot or Vivaldi antennas 25 a common contiguous metallized surface 27th although the metalized areas for the individual Vivaldi antennas could be separated, which is less favorable.
- the omnidirectional characteristic can be further improved by increasing the number of corresponding Vivaldi antennas which are offset in the direction of rotation. In other words, 2, 3 or 5, 6, 7 etc.
- Vivaldi antennas could be arranged offset in the circumferential direction, then on the opposite side a correspondingly larger number of feeders 35 would have to be provided, the individual feed line sections 35a, 35b, 35c would have to be adjusted angularly such that the last feeder line section 35c causing the actual feed intersects the associated slot-shaped recess 29, namely preferably at right angles to its radial extension.
- the electric field propagates in each individual Vivaldi antenna from the center to the edge of the board, whereby the electric field vector in the slot is parallel to the surface of the board. In other words, the electric field vector is already horizontally polarized relative to the overall antenna. By this electric field, in turn, the individual slots 43 are excited to radiate.
- the omnidirectional antenna is constructed so that the monopole radiator 1 faces in the vertical direction, that is, the counterweight surface is aligned horizontally. Accordingly, the feed structure 111 with the board or the substrate 23 is horizontally aligned (namely parallel to the counterweight surface and thus perpendicular to the monopole radiator), so that from the inside to the outside preferably funnel-shaped widening slot radiator (Vivaldi radiator) in the counterweight surface 5 parallel horizontal plane are aligned and thus act this radiator as a horizontal radiator.
- the corresponding vertical and horizontal directions would point in different directions, depending on the antenna orientation.
- a feed or Feed structure preferably proposed on a board, via which a coupling to the slots can be made from a central location, in particular capacitive.
- the feed line 41 for feeding the Vivaldi -Antennenimplantation 25 inside lld the rotationally symmetric and inside hollow body of revolution 11 or Strahlermantel IIa run, for example, the mentioned coaxial feed cable 41 inside lld via a bore 45 through the bottom IIb or Jacket surface IIa of the vertically polarized antenna device 1 and is passed through a further bore 47 in the counterweight surface 5 on the underside of the counterweight surface 5.
- the coaxial cable 41 may be connected to a further coaxial connector 117.
- This portion 41a of the feeder cable 41 outside the radiator 1 and above the counterweight surface 5 is not intended to be an integer multiple of half of an operating wavelength used by the vertically polarized antenna.
- the supply of the vertically polarized monopole radiator 1 via the aforementioned serial (capacitive) power supply in the center of the antenna array (or via the central Supply according to Figure 3 via a connector provided there) and the feeding of the horizontally polarized radiator device 3 via staggered coaxial feed cable 41 or vice versa can be made such that the Vivaldi antenna devices 25 are fed centrally via a running in the central axis 9 coaxial cable, whereas the vertically polarized monopole radiator device 1 is fed via a radially offset eccentric coaxial cable.
- FIG. 7 schematically shows, in a vertical section, that the monopole-shaped vertically polarized antenna device 1 does not necessarily have to consist of a cylinder-shaped radiation body 1a, but alternatively also of a cone-shaped or frustoconical radiation body 1b, or preferably of one, running away from the counterweight surface 5 Radiating body may exist, the staggered offset to the ground surface 5 starting a wedge-shaped widening first antenna section lb and an adjoining cylindrical antenna section la, as is generally known from the already mentioned DE 103 59 605 B4, on the disclosure content in so far in full reference is made.
- This also forms a rotational body 11 or at least approximately a rotational body 11 as a particularly efficient, vertically polarized monopole-shaped radiator.
- the slots 43 running away from the counterweight surface 5 in the radiator shell IIa could be formed completely or partially at the level of the conically widening radiator 1b or radiator section 1b, although this somewhat impairs the radiation behavior. In the following, modifications are discussed in more detail.
- a modified exemplary embodiment is shown with reference to FIG. 8, in which the feeding of the vertical slots 43 in the cylindrical or shell-shaped radiator 1a of the vertically polarized monopole radiator 1 is not via "tapered slot” antenna devices (TSA) but via, for example a microstrip radiation coupling takes place.
- TSA tapeered slot antenna devices
- a substrate or a dielectric 23 is likewise provided in the interior of the rotationally symmetrical or rotation-like radiator 1 designed as a hollow body which, starting from a central point 37, comprises a slot feed line 35 which likewise comprises a first radial line section 35a (the one of FIG mentioned star point 37 emanates), and then immediately adjacent to the hollow body-like cylindrical or frusto-conical shell IIa of the radiator device 1 merges into a part-circular slot line section 35b, which immediately adjacent to the inner wall 11 "of the radiator sheath IIa and the vertical slots 43 introduced there crossed ( preferably parallel to the counterweight surface 5).
- the slots 43 can be excited correspondingly in principle, as is the case with slot antennas.
- the additional feed structure 111 provided in the interior 11 'of the vertically polarized antenna device 1, la for the horizontally polarized antenna device can be arranged deeper below the upper peripheral edge 13, in particular also because in the embodiment according to FIGS 9 that the total height H of the cylindrical vertically polarized antenna device 1 may be higher than in the embodiment of FIG. 1, and therefore vertical slots 43 are also usable which are not open on one side but open in both directions , So are limited by a corresponding skirt portion of the vertically polarized antenna device 1.
- the slot length of the slots 43 unlike the exemplary embodiment according to FIGS. 1 to 7, should not amount to ⁇ / 4 but K / 2.
- FIG. 9 Notwithstanding Figure 8 is shown in an enlarged detail representation according to Figure 9 that a feed of the vertical slots 43 (regardless of whether they are closed or as the embodiments of Figures 1 to 4 are open at the top) not only via microstrip lines, but also via coaxial cable 49 or any other lines that consist of at least two conductors (two-wire line, microstrip, slotline, etc.) can take place, wherein the outer conductor 49a of the coaxial cable 49 preferably ends in front of the respective vertical slots and the inner shell 11 'of the cylindrical radiator 1 is galvanically connected, whereas the inner conductor 49b crosses the slot 43 and projects beyond in the transverse direction.
- strip-shaped, ie in particular rectangular slots 43, 43 ' have been shown.
- the slots may also have a different shape. It is possible, for example, that the slots are designed trapezoidal or trapezoidal apart or converge from a middle section upwards and downwards. verses modifications are feasible here.
- the center longitudinal line of the slots 43, 43 'in the radiator shell IIa of the rotary body 11 of the monopole radiator 1, 1a will be introduced so that these mean longitudinal lines lie in the slots 43 in a vertical plane perpendicular to the counterweight face 5 , in which also the central or symmetry axis 9 of the entire omnidirectional antenna is located.
- the slots 43 in the rotationally symmetrical jacket IIa of the monopole radiator 1 can also be designed as U-shaped double slots 43 'which are open at the top.
- the corresponding wavelengths are in each case related to the associated operating frequencies in which the omnidirectional antenna is to be used.
- the material portions 11x remaining between the double slots (which are metallized and / or electrically conductive) are held in the slots 43 by dielectric inserts or the entire structure is constructed on a dielectric, in which accordingly conductive surfaces are applied, with the omission of electrically conductive layers at the locations where the slots or double slots or U-shaped slots 43, 43 'are formed.
- Such an omnidirectional antenna can be used for different operating frequencies or operating bands.
- different frequency ranges are possible for the horizontally and vertically polarized antenna, if this brings an advantage.
- the number of slots is selected.
- the distance between adjacent slots on the surface of the monopole radiator should not be too large, in particular not greater than ⁇ (where ⁇ is an operating wavelength used by the horizontally polarized antenna unit) to ensure sufficient roundness of the radiation characteristic of the horizontally polarized antenna.
- ⁇ is an operating wavelength used by the horizontally polarized antenna unit
- the slots 43, 43 ' are excited separately by the feed structure 111, for example in the form of coaxial cables, in the form of radiation coupling using microstrip lines or in the form of slot antennas (in particular Vivaldi antennas), and be fed.
- a linear polarization in the horizontal plane is achieved with a corresponding orientation, namely, when the board structure and the counterweight surface are aligned in the horizontal direction and the monopole radiator points in the vertical direction.
Landscapes
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010011867A DE102010011867B4 (de) | 2010-03-18 | 2010-03-18 | Breitbandige omnidirektionale Antenne |
| PCT/EP2011/001163 WO2011113542A1 (de) | 2010-03-18 | 2011-03-09 | Breitbandige omnidirektionale antenne |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2548262A1 true EP2548262A1 (de) | 2013-01-23 |
| EP2548262B1 EP2548262B1 (de) | 2017-05-10 |
Family
ID=43901629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11708004.4A Active EP2548262B1 (de) | 2010-03-18 | 2011-03-09 | Breitbandige omnidirektionale antenne |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8994601B2 (de) |
| EP (1) | EP2548262B1 (de) |
| KR (1) | KR101743487B1 (de) |
| CN (1) | CN102804501B (de) |
| DE (1) | DE102010011867B4 (de) |
| WO (1) | WO2011113542A1 (de) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9257747B2 (en) * | 2012-06-30 | 2016-02-09 | Taoglas Group Holdings Limited | Vivaldi-monopole antenna |
| US9577329B2 (en) * | 2012-12-28 | 2017-02-21 | Galtronics Corporation, Ltd. | Ultra-broadband antenna with capacitively coupled ground leg |
| US20140306686A1 (en) * | 2013-04-10 | 2014-10-16 | Alan David Haddy | User Mountable Utility Location Antenna |
| FR3007215B1 (fr) * | 2013-06-17 | 2015-06-05 | Zodiac Data Systems | Source pour antenne parabolique |
| DE102013012308A1 (de) | 2013-07-24 | 2015-01-29 | Kathrein-Werke Kg | Breitbandige omnidirektionale Antenne |
| CN103811857B (zh) * | 2014-01-21 | 2017-01-11 | 盛宇百祺(南京)通信技术有限公司 | 垂直极化全向天线和具有其的4g双极化全向吸顶天线 |
| GB2523201B (en) * | 2014-02-18 | 2017-01-04 | Filtronic Wireless Ab | A multiband antenna with broadband and parasitic elements |
| KR102126494B1 (ko) | 2014-06-09 | 2020-06-24 | 한국전자통신연구원 | 원형 배열 안테나 |
| DE102016114093B4 (de) * | 2016-07-29 | 2020-01-16 | Huber + Suhner Ag | Breitbandige omnidirektionale Antenne, insbesondere für Schienenfahrzeuge und ein solches Schienenfahrzeug |
| KR101887137B1 (ko) * | 2016-09-01 | 2018-09-10 | 현대자동차주식회사 | 동작 감지 장치, 동작 감지 방법 및 동작 감지 안테나 |
| CN106549233A (zh) * | 2016-12-07 | 2017-03-29 | 西安电子科技大学 | 超宽带水平极化全向连接型的维瓦尔第圆形阵列天线 |
| DE102017101677A1 (de) * | 2017-01-27 | 2018-08-02 | Kathrein-Werke Kg | Breitbandige omnidirektionale Antenne |
| DE102017101676B4 (de) | 2017-01-27 | 2019-10-24 | Kathrein Se | Breitbandige dualpolarisierte omnidirektionale Antenne |
| WO2019052632A1 (en) | 2017-09-12 | 2019-03-21 | Huawei Technologies Co., Ltd. | RADIATION MEMBER WITH DUAL POLARIZATION AND ANTENNA |
| EP3462536B1 (de) | 2017-10-02 | 2021-06-30 | Nokia Shanghai Bell Co. Ltd. | Kompakte antenne |
| EP3793029A4 (de) * | 2018-05-10 | 2022-01-12 | KMW Inc. | Dual polarisierte antenne und gruppenantenne |
| CN108832280B (zh) * | 2018-06-08 | 2019-10-25 | 西安电子科技大学 | 一种可用于5g通信的毫米波全向圆极化天线 |
| CN110112561B (zh) * | 2019-06-06 | 2024-01-02 | 昆山瀚德通信科技有限公司 | 一种单极化天线 |
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| CN111786103B (zh) * | 2020-06-19 | 2021-04-13 | 深圳国人通信技术服务有限公司 | 一种室内全向天线 |
| IT202000020770A1 (it) | 2020-09-01 | 2022-03-01 | Bridgestone Europe Nv Sa | Robot a guida autonoma per il riconoscimento automatico di pneumatici provvisti di transponder e disposti in una pila e sistema di logistica comprendente il robot a guida autonoma |
| CN112467346B (zh) * | 2020-10-28 | 2022-07-19 | 武汉虹信科技发展有限责任公司 | 一体式双极化吸顶天线 |
| CN112615150B (zh) * | 2020-12-09 | 2023-04-28 | 上海中兴易联通讯股份有限公司 | 一种水平极化的全向辐射单元 |
| CN112768884B (zh) * | 2020-12-17 | 2023-10-03 | 深圳市南斗星科技有限公司 | 双极化高隔离度室内分布天线 |
| CN112688070B (zh) * | 2020-12-21 | 2021-10-22 | 西安电子科技大学 | 一种分布式多点馈电宽带垂直极化全向天线 |
| US11404789B1 (en) * | 2021-03-01 | 2022-08-02 | U.S. Government As Represented By The Director, National Security Agency | All-in-one antenna |
| CN114512814B (zh) * | 2022-01-13 | 2024-04-12 | 微网优联科技(成都)有限公司 | 一种基于多谐振模式的垂直极化全向天线 |
| CN115642395B (zh) * | 2022-09-29 | 2024-01-02 | 湖南迈克森伟电子科技有限公司 | 天线单元、天线阵列及电子设备 |
| CN117293508A (zh) * | 2023-08-24 | 2023-12-26 | 哈尔滨工业大学(威海) | 小型化多频段极化分集阵列天线装置 |
| WO2025131231A1 (en) * | 2023-12-18 | 2025-06-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Broadband test antenna with low passive intermodulation |
| CN119481671B (zh) * | 2024-11-12 | 2025-12-26 | 北京理工大学 | 一种双频双模孔径共享共形超宽带天线及其应用 |
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| US2660674A (en) | 1948-10-14 | 1953-11-24 | Rca Corp | Slotted antenna system |
| DE3508929C2 (de) | 1985-03-13 | 1987-01-29 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn | Antenne für Satelliten-Mobilfunk für eine Wellenlängen λ im L-Band |
| US4763130A (en) * | 1987-05-11 | 1988-08-09 | General Instrument Corporation | Probe-fed slot antenna with coupling ring |
| US5220337A (en) | 1991-05-24 | 1993-06-15 | Hughes Aircraft Company | Notched nested cup multi-frequency band antenna |
| US5870061A (en) * | 1996-05-30 | 1999-02-09 | Howell Laboratories, Inc. | Coaxial slot feed system |
| US5754143A (en) * | 1996-10-29 | 1998-05-19 | Southwest Research Institute | Switch-tuned meandered-slot antenna |
| US5929821A (en) * | 1998-04-03 | 1999-07-27 | Harris Corporation | Slot antenna |
| DE10031255A1 (de) | 2000-06-27 | 2002-01-17 | Bosch Gmbh Robert | Schlitzantenne |
| US6703984B2 (en) * | 2001-03-08 | 2004-03-09 | Spx Corporation | Common aperture UHF/VHF high band slotted coaxial antenna |
| US6879296B2 (en) | 2001-11-21 | 2005-04-12 | Superpass Company Inc. | Horizontally polarized slot antenna with omni-directional and sectorial radiation patterns |
| DE10359605B4 (de) | 2003-12-18 | 2006-05-24 | Kathrein-Werke Kg | Breitbandige Antenne |
| DE202004008770U1 (de) | 2004-06-03 | 2004-08-12 | Kathrein-Werke Kg | Dualpolarisierte Antenne |
| EP2034557B1 (de) | 2007-09-06 | 2012-02-01 | Delphi Delco Electronics Europe GmbH | Antenne für den Satellitenempfang |
| DE102008003532A1 (de) * | 2007-09-06 | 2009-03-12 | Lindenmeier, Heinz, Prof. Dr. Ing. | Antenne für den Satellitenempfang |
-
2010
- 2010-03-18 DE DE102010011867A patent/DE102010011867B4/de not_active Expired - Fee Related
-
2011
- 2011-03-09 CN CN201180014407.4A patent/CN102804501B/zh active Active
- 2011-03-09 EP EP11708004.4A patent/EP2548262B1/de active Active
- 2011-03-09 WO PCT/EP2011/001163 patent/WO2011113542A1/de not_active Ceased
- 2011-03-09 KR KR1020127025107A patent/KR101743487B1/ko not_active Expired - Fee Related
- 2011-03-09 US US13/635,733 patent/US8994601B2/en active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2011113542A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101743487B1 (ko) | 2017-06-07 |
| US8994601B2 (en) | 2015-03-31 |
| KR20130039721A (ko) | 2013-04-22 |
| EP2548262B1 (de) | 2017-05-10 |
| DE102010011867B4 (de) | 2011-12-22 |
| CN102804501A (zh) | 2012-11-28 |
| WO2011113542A1 (de) | 2011-09-22 |
| CN102804501B (zh) | 2015-06-03 |
| DE102010011867A1 (de) | 2011-09-22 |
| US20130009834A1 (en) | 2013-01-10 |
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