EP1599916A1 - Reflektor, insbesondere für eine mobilfunk-antenne - Google Patents
Reflektor, insbesondere für eine mobilfunk-antenneInfo
- Publication number
- EP1599916A1 EP1599916A1 EP04719422A EP04719422A EP1599916A1 EP 1599916 A1 EP1599916 A1 EP 1599916A1 EP 04719422 A EP04719422 A EP 04719422A EP 04719422 A EP04719422 A EP 04719422A EP 1599916 A1 EP1599916 A1 EP 1599916A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- modules
- transverse
- module
- another
- 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
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005266 casting Methods 0.000 claims abstract description 7
- 238000003801 milling Methods 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000004049 embossing Methods 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims 2
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 238000013459 approach Methods 0.000 claims 1
- 238000005058 metal casting Methods 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 238000003856 thermoforming Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 7
- 230000010287 polarization Effects 0.000 description 7
- 239000002585 base Substances 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/141—Apparatus or processes specially adapted for manufacturing reflecting surfaces
-
- 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
-
- 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
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
- H01Q15/165—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal composed of a plurality of rigid panels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0025—Modular arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0087—Apparatus or processes specially adapted for manufacturing antenna arrays
-
- 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
Definitions
- the invention relates to a reflector, in particular for a mobile radio antenna according to the preamble of claim 1.
- Mobile radio antennas for mobile radio base stations are usually constructed in such a way that a plurality of radiator arrangements located one above the other are provided in front of a reflector plane in the vertical direction.
- These radiator arrangements for example, consist of dipoles or patch radiators.
- the entire antenna arrangement can be designed for transmission in one band or in two or more frequency bands, for example by using several radiators and radiator groups suitable for the different frequency bands.
- mobile radio antennas with different length variants are required. The length variants depend, inter alia, on the number of individual radiators or radiator groups to be provided, the same or similar radiator arrangements generally being arranged repeatedly one above the other.
- Such an antenna or antenna array comprises a common reflector for all radiator arrangements.
- This common reflector usually consists of a reflector plate, which can be punched, bent and folded depending on the requirements, for example in order to be able to form a reflector edge region projecting forward from the reflector plane on the two opposite lateral vertical edges.
- additional sheet metal parts can be soldered onto the reflector if necessary.
- profiles for example extruded aluminum profiles, etc., which are also attached to or in front of the reflector level.
- the antennas produced in this way are always subject to a restricted function and load-bearing capacity, since the requirements relating to the undesired intermodulation products may not be met, particularly in the case of poor contact points or unsuitable material pairings, which occur only slightly. If problems arise in a test run with regard to the checked radiation diagram of an antenna, it cannot be said immediately which contact points may have contributed to the deteriorated intermodulation properties.
- a solution is proposed to set up antennas with the same or similar function in different length variants with comparatively little effort.
- the reflector devices can also be used for antennas of different designs for example, can accommodate different emitter or emitter assemblies.
- complex, three-dimensional environments with functional surfaces in the transverse and / or longitudinal direction or in other directions of the reflector can also be realized with simple means. Functional surfaces of this type can also be realized, for example, at an angle to the main axis, ie generally aligned with the vertical extension axis of the reflector.
- the antenna or reflector design according to the invention enables a significant reduction in contact points.
- the number of parts and the assembly effort can be reduced again, and this with high functional integration.
- a reflector is constructed from at least two separate reflector modules, which can be assembled together, for example in the vertical direction, in the extension of their vertical axis.
- each reflector module is at least in its basic or basic configuration molded in one piece, namely preferably in a casting, deep-drawing or embossing or in a milling process. To some extent, this is also referred to as a master molding process.
- the reflector module can be made from an aluminum die-cast part or generally from a metal cast part or also from a plastic injection-molded part exist, which is subsequently provided on one or at least on both opposite surfaces with a metallized surface.
- the invention can also be produced using a tixo casting process or, for example, also by milling.
- the reflector module preferably has a circumferential edge at least on its two long sides and on at least one narrower transverse side, preferably on its two long sides and on its two end faces. So there are not only lateral boundary webs or boundary surfaces rising transversely to the reflector plane on the two opposite vertical sides, but at least on one of the end faces and preferably on both opposite end faces one or more boundary webs or a boundary surface are additionally provided.
- Each reflector module also has at least one firmly integrated central crosspiece, which comprises at least one upper and one lower field for the radiator arrangements to be used there.
- at least two radiator environments are defined per reflector module, which are generated by an end boundary wall, two sections of the vertical side longitudinal boundaries and the at least one web wall running transversely to the side boundary walls.
- a reflector module designed in this way is then in principle also suitable to be assembled at the end with at least one further reflector module, for example of the same type, to form an entire reflector arrangement with a greater vertical extent.
- a final reflector consisting of at least two with the same Chen orientation assembled assembled reflector modules.
- reflector modules with different designs can also be assembled.
- the corresponding end walls are correspondingly adapted for the assembly of at least two reflector modules and, for this purpose, preferably have fastening points or fastening points which are offset from one another in two planes.
- the two reflector modules can be electrically / galvanically contacted in the area of their assembled end walls or can also be connected to one another in an electrically isolated manner, for example by interposing an insulating intermediate layer, for example a plastic layer or another dielectric.
- a damper material can preferably also be used for the interposition of such an insulating layer, as a result of which certain vibrations of the two reflector module halves to one another are possible to a limited extent even in the event of a strong storm. This therefore serves for increased mechanical security.
- the above-mentioned offset level of the fastening points also serves to ensure that there is no accumulation of deviations in shape at the connection interface or that it can be compensated for comparatively easily if required, so that in other words manufacturing tolerances can be compensated for.
- additional metallic elements can be made, for example, in the form of electrically conductive strips, webs etc. by means of separate ones
- Holding devices preferably electrically non-conductive, and preferably made of plastic or another dielectric, are used which are attached to the existing intermediate webs or side boundary wall sections and between which the additional metal elements to be inserted can then be hung. This capacitive anchoring in turn prevents undesired intermodulation products.
- the in a casting, deep drawing or embossing or e.g. also has a reflector module produced in a milling process, preferably on the back of the reflector module opposite the radiator modules, which has further integrated parts or components of further components which are required in particular in connection with an antenna.
- a reflector module produced in a milling process, preferably on the back of the reflector module opposite the radiator modules, which has further integrated parts or components of further components which are required in particular in connection with an antenna.
- contours for the electromagnetic shielding of assemblies can be formed.
- Housing parts for HF components such as filters, switches, distributors, phase shifters can also be molded on, so that after the additional functional parts have been installed in these modules, only a cover has to be fitted.
- suitable measures such as. B. hot stamping, two-component injection molding processes, laser processing, etching processes or the like also complete line structures inte- be grated ("three-dimensional circuit board").
- interfaces for mounting components for fastening or assembly, as well as interfaces for additional devices for example in the form of mounting flanges, heat flanges, etc., can also be implemented.
- Figure 1 a schematic plan view of a
- Reflector consisting of two vertically stacked reflector modules
- Figure 2 is a perspective view of two in
- FIG. 3a an enlarged perspective detailed illustration to clarify the design and the assembly of two reflector modules on their front-facing boundary section to be pointed towards one another;
- Figure 3b a corresponding representation to figure
- FIG. 4 a representation corresponding to FIG. 3,
- FIG. 5 a perspective cut-out view Position of the reflector module with additional, preferably dielectric holding and fastening elements for receiving further beam shaping parts in the form of strips, rods, etc .;
- FIG. 6 a perspective rear view of a reflector module with molded functional parts
- Figure 7 a cross-sectional view through the
- Figure 8 another excerpt, perspective. rear view of a reflector module with a differently shaped functional part.
- FIG. 1 shows a schematic plan view of a reflector 1 which, in the exemplary embodiment shown, is formed from two reflector modules 3 assembled on the end face, in each of which four radiator arrangements 2 are arranged one above the other in the vertical direction.
- the shown radiator modules are modules constructed in electrical terms as cross radiators, which radiate in two mutually perpendicular polarizations, ie can transmit and receive. These are preferably X-shaped radiators in which the polarization planes are oriented at a plus 45 'to a minus 45 "angle with respect to the horizontal or vertical.
- the specifically shown or indicated te type of radiator is known for example from the prior publication WO 00/39894. In this regard, reference is made to this prior publication and made the content of the present application. Instead of this, however, any other desired radiator arrangements, for example in the manner of dipole squares, cross-radiators, simply polarized dipole radiators or other radiators or radiator devices including patch radiators, can also be considered.
- the reflector discussed further above and below is intended in particular for a mobile radio antenna, i.e. in particular for a corresponding antenna in a base station (base station antenna).
- each reflector module has two longitudinal side boundaries 5 and two front transverse side boundaries 7, which are formed in the manner of a reflector boundary wall or boundary web, boundary flange, etc. and are located transversely to the plane of the reflector 1 raise, preferably perpendicular to the plane of the reflector plate.
- the height in relation to the plane 1 'of the reflector 1 can change in accordance with the desired characteristic radiation properties of an antenna constructed in this way and differ in wide ranges.
- the reflector modules 3 are, for example, in a metal die-casting process, in an injection molding process, for example in the form of plastic injection molding processes, in which the plastic is then coated at least with a conductive metallized surface on at least one side, preferably continuously. in principle but could also reflector parts are used, which, in a so-called.
- Tixogussvon or both • are playing as well as produced by a milling process may be in a deep-drawing process, an embossing process. In some cases the following is also referred to as a primary molding process, even if this term does not mean all of the production processes mentioned above.
- each of the reflector modules also has four transverse webs 9 which are arranged at a distance from one another in the vertical spacing of the installed reflector and which are likewise produced in an aforementioned shaping process.
- five reflector environments are generated for each reflector module 3, each of which is formed by a section of the two outer side boundary walls and by two spaced central or transverse webs 9 or a transverse web 9 and one of the two end boundary walls 7.
- radiator modules can be firmly anchored and installed on the reflector 1.
- the radiator modules themselves, in particular dipole radiator structures or patch radiator structures, can have a wide variety of designs.
- emitters and types of emitters as are well known to the person skilled in the art.
- reference radiator structures only examples of those known from the prior publications DE 198 23 749 AI or WO 00/39894 are known Reference radiator structures, all of which are suitable for the present case.
- the reflector module can also be used for antennas and antenna arrays which radiate not only in one frequency band but in two or more frequency bands, for example by installing radiator arrangements in the individual radiator environments which are suitable for different frequency bands.
- radiator arrangements in the individual radiator environments which are suitable for different frequency bands.
- the emitters to be set up in the emitter surroundings can consist, for example, of dipole emitters, that is to say of simple dipole emitters that only work in one polarization or in two polarizations, for example consisting of cruciform dipole emitters or dipole emitters in the manner of a dipole square, so-called cross-shaped emitters
- Vector dipoles as are known for example from WO 00/39894 or from radiator arrangements which can radiate and receive in one or two mutually perpendicular polarizations not in one but, for example, also in two or three frequency bands and more.
- patch spots the arrangement of the reflector modules on certain types of spotlights is not restricted.
- the reflector 1 is assembled from two identical radiator modules 3, specifically at the end or transverse side boundary 7 provided for this purpose. This is because there is from the central longitudinal plane
- these two radiator modules 3 are now located on their front-side boundary surfaces 7 • can be moved towards each other so that the respective threaded end 15 of the respective radiator module 3 protrudes into a corresponding recess or bore 17 'on the other end of the adjacent radiator module 3, which engages in the axial direction on the threaded bore 17 projecting inwards followed.
- the threaded bore 15 'introduced in the respective projecting end 15 protrudes in plan view directly in axial extension below the bore 17' in the inwardly projecting projection 17 of the second reflector module 3, so that the threaded bores 15 arranged in pairs one above the other 'or bores 17' a screw 18 can be screwed.
- the bore 17 ' preferably has an at least slightly larger inner diameter, compared with the inner cross section of the threaded bore 15', so that the screw in question can be freely inserted through the bore 17 'without jamming.
- ⁇ lent instead of a threaded bore 15 'only an unthreaded bore may be provided, namely, when a corresponding self-tapping screw in this bore 15' is screwed.
- the corresponding attachment lugs 15 and 17 are therefore different on each end wall 7 on each of the two reflector modules 3 Altitude provided, whereby the assembly in 180 ° relative position to each other is possible according to Figures 3a and 3b.
- the overall dimensions and designs are such that exactly in this position the two end transverse boundary walls 7 of the two reflector modules come to rest against one another in a fixed manner.
- an intermediate material serving as a damper can also be inserted in a sandwich-like manner between the two end faces 7 of two adjacent and mutually mounted reflector modules 3.
- permissible vibrations of the two reflector modules relative to one another can also be permitted to a small extent, which can have advantages in particular if the antenna is exposed to very large forces during strong storms and vibrations.
- FIGS. 3a, 3b and 4 it can also be seen from FIGS. 3a, 3b and 4 that additional connecting lugs 21 connecting the two reflector modules 3 can be used, of which one screw 23 each on one reflector module 3 and the second screw 24 on each other reflector module 3 can be screwed in from the bottom side.
- the one or more connecting lugs protrude beyond the cut surface separating the two reflector modules 3.
- FIG. 5 in which two radiation environments 11 of a reflector module are shown in sections.
- non-conductive holding or fastening devices 27 are anchored, in particular put on, snapped on, etc., which are provided with slot-shaped recesses, for example to provide further beam shaping and / or the like, on the existing cross webs 9 formed in the course of the original shaping process
- Decoupling serving electrically conductive functional parts can be used, and can be used capacitively. This is because the holding and fastening devices 27 are electrically non-conductive and are preferably made of plastic or another suitable dielectric.
- the capacitive fastening of the functional parts 29 mentioned also prevents unwanted intermodulation products.
- the additional fastening and insertion in the radiation surroundings 11 by means of the holding and fastening device 27 mentioned is comparatively simple and highly variable.
- the holding and fastening devices 27 mentioned do not or not only on the transverse webs 9, but also, for example, on the transverse side boundaries 7 and / or on the longitudinal side boundaries 5 are provided, ie anchored there bar, for example by putting it on, snapping it on, etc.
- FIG. 5 further anchoring sections 28 are provided on the transverse webs 9 provided from the inside with bores 31 oriented transversely to the plane 1 'of the reflector, on which, for example, additional beam shaping and / or or components used for the decoupling can be attached, for example pin-shaped or rod-shaped functional parts, which extend perpendicularly with respect to plane 1 'of the reflector, etc.
- the bores 31 therefore extend perpendicularly to plane 1' of the reflector, the holding and fastening devices 28 as reinforcing sections in the transverse webs 9, but also if required, as is shown in the illustration according to FIGS. 3a and 3b, on the transverse side boundaries 7.
- outer conductor sections of a connection and feed structure for two vertically adjacent radiators are shown on the underside.
- the outer conductor contour projecting downward from level 1 'of the reflector 1 in the form of a circumferential housing web 35 serves as an outer conductor.
- Inner conductors 43 can then be anchored therein, for example, by means of holding devices 37 which can be inserted between these housing webs 35 and are preferably non-conductive and made of plastic.
- Coaxial cables 41 can then be connected via likewise provided feed-in points 39, for example by electrically / galvanically contacting the outer conductor of the coaxial cable with the circumferential housing web 35, which performs the outer conductor function, whereas the inner conductor of the coaxial cable is electrically separated from it at a suitable point the inner conductor 43 provided inside the distributor thus formed is electrically-galvanically connected.
- the inner conductor is then guided so far in this connection structure and is guided through one of the holes provided in the reflector plate to the other reflector level in order to establish an electrically conductive connection to the radiator elements provided there.
- outer conductor structures and outer conductor contours and ⁇ inner conductor patterns for lines of high-frequency signals housing parts for RF may be provided in the inventive reflector, for example in the form of chamber lines, coaxial cables or striplines ,, but for example also contours for electromagnetic shields, - Components such as filters, switches, distributors, phase shifters, active amplifiers or, for example, in the form of interfaces for brackets, fastenings, additional devices, etc.
- more than two reflector modules for example three or four, etc., can be assembled laterally in the vertical direction or also in the horizontal direction to form an entire antenna array.
- FIG. 8 There is another example of another functional part shown. Connected to the reflector material in one piece, an external boundary, that is to say a circumferential housing web 35, is shown here.
- the reflector itself forms the floor, the housing web 35 forming the outer boundary.
- This functional part 29 can serve, for example, as a phase shifter arrangement provided on the rear of the reflector.
- phase shifters can be constructed as they are known in principle from the prior publication WO 01/13459 AI. In this regard, reference is made to this prior publication and made the content of the present application.
- one or more concentrically arranged part-circular stiffener line sections can thus be accommodated, which cooperate with a pointer-like adjusting element, via which the path length to the two connected radiators or radiator groups and thereby the phase position for the radiator elements is adjusted and set can be set, for example, to be able to set a different downtilt angle.
- Any other types of functional parts with other functions and tasks can also be at least partially designed at home on the reflector, preferably on the rear thereof.
- the installation space which is formed by the reflector base and the circumferential housing web 35 can be closed by fastening and attaching a cover arrangement which, depending on the intended use, is electrically conductive, preferably consists of a metal part, or otherwise also of a plastic or dielectric part and the like can be formed
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Aerials With Secondary Devices (AREA)
- Support Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10316787 | 2003-04-11 | ||
DE10316787A DE10316787A1 (de) | 2003-04-11 | 2003-04-11 | Reflektor, insbesondere für eine Mobilfunk-Antenne |
PCT/EP2004/002557 WO2004091042A1 (de) | 2003-04-11 | 2004-03-11 | Reflektor, insbesondere für eine mobilfunk-antenne |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1599916A1 true EP1599916A1 (de) | 2005-11-30 |
EP1599916B1 EP1599916B1 (de) | 2007-05-09 |
Family
ID=33103337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04719422A Expired - Lifetime EP1599916B1 (de) | 2003-04-11 | 2004-03-11 | Reflektor, insbesondere für eine mobilfunk-antenne |
Country Status (9)
Country | Link |
---|---|
US (1) | US7023398B2 (de) |
EP (1) | EP1599916B1 (de) |
KR (1) | KR101095139B1 (de) |
CN (1) | CN2696143Y (de) |
AT (1) | ATE362201T1 (de) |
AU (1) | AU2004227457B2 (de) |
DE (2) | DE10316787A1 (de) |
ES (1) | ES2285447T3 (de) |
WO (1) | WO2004091042A1 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1667278A1 (de) * | 2004-11-23 | 2006-06-07 | Alcatel | Antenne einer Basisstation mit dualpolarisierten Strahlerelementen und geformtem Reflektor |
SE533885C2 (sv) * | 2009-04-17 | 2011-02-22 | Powerwave Technologies Sweden | Antennanordning |
US9590317B2 (en) * | 2009-08-31 | 2017-03-07 | Commscope Technologies Llc | Modular type cellular antenna assembly |
KR101137285B1 (ko) * | 2010-10-28 | 2012-04-20 | 위월드 주식회사 | 초소형 광대역 송수신 안테나 피더 |
US8823598B2 (en) * | 2011-05-05 | 2014-09-02 | Powerwave Technologies S.A.R.L. | Reflector and a multi band antenna |
US8803759B1 (en) * | 2011-06-21 | 2014-08-12 | Lockheed Martin Corporation | Method of internal mechanical connection for joined phased array sections |
EP4122626A1 (de) * | 2012-01-24 | 2023-01-25 | Smith & Nephew, Inc. | Poröse struktur und herstellungsverfahren dafür |
CN103855451B (zh) * | 2012-12-05 | 2017-07-21 | 上海贝尔股份有限公司 | 用于微波系统的表面喷涂导体的耦合结构及其制造方法 |
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 |
KR101438353B1 (ko) * | 2013-01-29 | 2014-09-04 | 주식회사 에이스테크놀로지 | 절개된 초크 박스를 가지는 안테나 |
ES2797352T3 (es) * | 2013-11-27 | 2020-12-02 | Gatekeeper Systems Inc | Accesorios y métodos de antena de bucle |
DE102014000964A1 (de) * | 2014-01-23 | 2015-07-23 | Kathrein-Werke Kg | Antenne, insbesondere Mobilfunkantenne |
CN105703080A (zh) * | 2016-03-23 | 2016-06-22 | 武汉虹信通信技术有限责任公司 | 一种多系统多端口基站天线共反射板 |
CN110462931B (zh) | 2017-03-29 | 2021-07-06 | 日本电业工作株式会社 | 阵列天线以及扇形天线 |
CN111149255B (zh) | 2017-10-04 | 2021-06-29 | 华为技术有限公司 | 多频段天线系统 |
CN110581359A (zh) * | 2019-09-23 | 2019-12-17 | 西安三石航天科技有限公司 | 一种大型翻转转运平台 |
WO2022046547A1 (en) | 2020-08-28 | 2022-03-03 | Isco International, Llc | Method and system for mitigating interference by displacing antenna structures |
CN111883903B (zh) * | 2020-09-17 | 2021-12-10 | 广东博纬通信科技有限公司 | 一种旋转式振子安装固定座 |
SE544595C2 (en) * | 2020-12-14 | 2022-09-20 | Cellmax Tech Ab | Reflector for a multi-radiator antenna |
CN112768890B (zh) * | 2020-12-25 | 2021-09-07 | 东莞市振亮精密科技有限公司 | 一种5g钣金带状线功分网络用塑胶安装结构件 |
US11784418B2 (en) * | 2021-10-12 | 2023-10-10 | Qualcomm Incorporated | Multi-directional dual-polarized antenna system |
US11502404B1 (en) | 2022-03-31 | 2022-11-15 | Isco International, Llc | Method and system for detecting interference and controlling polarization shifting to mitigate the interference |
US11476574B1 (en) | 2022-03-31 | 2022-10-18 | Isco International, Llc | Method and system for driving polarization shifting to mitigate interference |
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US11509072B1 (en) | 2022-05-26 | 2022-11-22 | Isco International, Llc | Radio frequency (RF) polarization rotation devices and systems for interference mitigation |
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US11515652B1 (en) | 2022-05-26 | 2022-11-29 | Isco International, Llc | Dual shifter devices and systems for polarization rotation to mitigate interference |
US11985692B2 (en) | 2022-10-17 | 2024-05-14 | Isco International, Llc | Method and system for antenna integrated radio (AIR) downlink and uplink beam polarization adaptation |
US11990976B2 (en) | 2022-10-17 | 2024-05-21 | Isco International, Llc | Method and system for polarization adaptation to reduce propagation loss for a multiple-input-multiple-output (MIMO) antenna |
US11949489B1 (en) | 2022-10-17 | 2024-04-02 | Isco International, Llc | Method and system for improving multiple-input-multiple-output (MIMO) beam isolation via alternating polarization |
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- 2003-04-11 DE DE10316787A patent/DE10316787A1/de not_active Withdrawn
- 2003-06-06 US US10/455,796 patent/US7023398B2/en not_active Expired - Lifetime
- 2003-11-27 CN CNU200320124307XU patent/CN2696143Y/zh not_active Expired - Lifetime
-
2004
- 2004-03-11 EP EP04719422A patent/EP1599916B1/de not_active Expired - Lifetime
- 2004-03-11 AU AU2004227457A patent/AU2004227457B2/en not_active Ceased
- 2004-03-11 ES ES04719422T patent/ES2285447T3/es not_active Expired - Lifetime
- 2004-03-11 DE DE502004003761T patent/DE502004003761D1/de not_active Expired - Lifetime
- 2004-03-11 AT AT04719422T patent/ATE362201T1/de not_active IP Right Cessation
- 2004-03-11 WO PCT/EP2004/002557 patent/WO2004091042A1/de active IP Right Grant
- 2004-03-11 KR KR1020057017671A patent/KR101095139B1/ko not_active IP Right Cessation
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See references of WO2004091042A1 * |
Also Published As
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US20040201542A1 (en) | 2004-10-14 |
KR20060009822A (ko) | 2006-02-01 |
ES2285447T3 (es) | 2007-11-16 |
AU2004227457B2 (en) | 2008-01-10 |
EP1599916B1 (de) | 2007-05-09 |
ATE362201T1 (de) | 2007-06-15 |
WO2004091042A1 (de) | 2004-10-21 |
DE502004003761D1 (de) | 2007-06-21 |
KR101095139B1 (ko) | 2011-12-16 |
CN2696143Y (zh) | 2005-04-27 |
AU2004227457A1 (en) | 2004-10-21 |
DE10316787A1 (de) | 2004-11-11 |
US7023398B2 (en) | 2006-04-04 |
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