EP3482454A1 - Phasengesteuertes antennenelement - Google Patents
Phasengesteuertes antennenelementInfo
- Publication number
- EP3482454A1 EP3482454A1 EP17735448.7A EP17735448A EP3482454A1 EP 3482454 A1 EP3482454 A1 EP 3482454A1 EP 17735448 A EP17735448 A EP 17735448A EP 3482454 A1 EP3482454 A1 EP 3482454A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- phase
- antenna element
- element according
- controlled antenna
- waveguide radiator
- 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
- 230000010287 polarization Effects 0.000 claims description 36
- 230000008878 coupling Effects 0.000 claims description 31
- 238000010168 coupling process Methods 0.000 claims description 31
- 238000005859 coupling reaction Methods 0.000 claims description 31
- 238000000605 extraction Methods 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 3
- 239000011263 electroactive material Substances 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
- H01P1/182—Waveguide phase-shifters
-
- 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
- H01Q1/425—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising a metallic grid
-
- 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
- H01Q13/02—Waveguide horns
- H01Q13/0241—Waveguide horns radiating a circularly polarised wave
-
- 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
- H01Q13/02—Waveguide horns
- H01Q13/025—Multimode horn antennas; Horns using higher mode of propagation
- H01Q13/0258—Orthomode horns
-
- 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
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/28—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave comprising elements constituting electric discontinuities and spaced in direction of wave propagation, e.g. dielectric elements or conductive elements forming artificial dielectric
-
- 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
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
- H01Q15/244—Polarisation converters converting a linear polarised wave into a circular polarised wave
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0075—Stripline fed arrays
-
- 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
- H01Q21/064—Two dimensional planar arrays using horn or slot aerials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
Definitions
- the invention relates to a phased array antenna element for phased array antennas, in particular for the GHz frequency range.
- a phase-controlled antenna element is intended to be the phase position of a radiated and / or received by the antenna element
- phase shifters variable, controllable phase actuators
- the antenna directional diagram of stationary antenna groups can be spatially changed.
- the main beam are swung in different directions.
- the phase actuators thereby change the relative phase of the signals from different individual members of the
- Group antennas are received or sent. Is the relative phase of the signals of the individual antennas using the
- Main lobe of the antenna pattern of the antenna array in the desired direction Main lobe of the antenna pattern of the antenna array in the desired direction.
- phase actuators are mostly off
- solid state phase shifters mostly ferrites, microswitches (MEMS technology, binary switches), or liquid crystals ("liquid cristals”). All these However, technologies have the disadvantage that they lead to an often significant signal loss, since part of the
- High frequency power is dissipated in the phase actuators. Especially in applications in the GHz range, the sinks
- phase actuators must always be accommodated in the feed networks of the group antennas. This leads to an undesirable increase in the dimensions of the feed networks and thus of the array antennas themselves. In addition, the array antennas typically become very heavy.
- Phase actuators are used are very expensive. Especially for civil applications above 10 GHz, this prevents their use.
- Solid state phase shifters typically include nonlinear components, making the determination of amplitude relationships very difficult or even impossible.
- the amplitude relationships very difficult or even impossible.
- Attenuation values and the wave impedance of such phase shifters typically depend on the value of the phase rotation.
- Phase shifters based on microswitches typically operate in binary. At binary
- Phase shifters in principle, the phase angle of the individual signals can be set granular only in certain steps. A high-precision alignment of the antenna diagram is not possible in principle.
- US6822615B2 discloses a phased array antenna incorporating electronically controllable lenses and MEMS phase shifters.
- DE9200386U1 shows an antenna structure according to the Yagi principle, wherein the parasitic elements of circular, centrally perforated discs between sleeve-shaped
- Spacers are pushed onto a support tube.
- the object of the invention is therefore a
- phased array antenna element in particular for
- phased array antennas and for the GHz frequency range to provide which
- phased array antenna element according to the invention with the features of claim 1.
- the phased array antenna element consists of a
- the phase actuator comprises a holder (3), at least two polarizers (4) which are fastened to the holder (3), and a connecting element (5).
- Each of the at least two polarizers (4) can convert a circularly polarized signal into a linearly polarized signal.
- the phase actuator (2) is rotatably mounted in the waveguide radiator (1) and with the aid of the connecting element (5) with the
- Drive unit (6) connected such that the drive unit (6), the phase actuator (2) about the axis (8) of the
- Waveguide radiator (1) can rotate, as in Fig. 1
- FIG. 1 An incident in the waveguide radiator (1) shaft
- phase actuator (2) now by means of the drive unit (6) and the connecting element (5) by an angle ⁇ in
- Waveguide emitter (1) turned, then rotates the
- Antenna element is the dependence of the phase angle difference between the expiring (19c) and incoming (19a) circular wave of the rotation of the phase actuator (2) strictly linear, continuous and strictly 2n periodically.
- phase actuator (2) electrodynamically considered is a purely passive device that contains no non-linear components, its function is completely reciprocal. Ie that a shaft, which from bottom to top through the phase actuator (2) is running, in the same way in its phase is rotated as a wave which passes from top to bottom through the phase actuator (2).
- phase position of a waveguide radiator (1) sent or received signal can thus be set arbitrarily.
- the simultaneous transmission and reception operation is also possible.
- the wave impedance of the waveguide radiator (1) is the wave impedance of the waveguide radiator (1).
- phase shifters such as semiconductor phase shifters or
- Liquid crystal phase shifters are controlled in their phase position, typically not the case. There, the wave impedance depends on the relative phase position, what these components
- phase control also works virtually lossless, since with appropriate design, the losses induced by the polarizers (4a, b) and the dielectric holder (3) are very small.
- phased array antenna element according to the invention hardly from a corresponding antenna element without phase control, as it is already used for example in antenna fields, distinguishable.
- antenna arrays are realized with phased array antenna elements according to the invention, then the RF properties, in particular antenna gain and antenna efficiency, of the antenna fields change despite the additional phase control
- the waveguide radiator (1) is preferably designed so that it includes at least one cylindrical waveguide piece (section). This is sure to ensure that in its interior a cylindrically symmetric electromagnetic
- both the waveguide termination of the waveguide radiator and its opening (aperture) need not necessarily have a circular cross-section.
- the waveguide termination may be performed, for example, conical or unilaterally stepped.
- waveguide radiators When used in two-dimensional antenna fields, waveguide radiators can also be conical, square or rectangular, for example. Since cylindrically symmetric modes also in waveguides with non ⁇ circular cross-sections, such as elliptical or
- Waveguide radiator (1) form as a circular waveguide, if the signal extraction or coupling (7) can be designed accordingly.
- Waveguide radiator (1) designed as a horn.
- Waveguide radiator (1) for a specific operating frequency band the known methods of antenna technology.
- Waveguide piece which preferably contains the waveguide radiator (1). This can be ensured that the
- Mode conversion by the polarizers (4) takes place in an optimal manner.
- the at least two polarizers (4a) and (4b) are preferably perpendicular to the axis of rotation (10) and parallel to each other in the
- Polarizers can then form undisturbed. If the drive unit (6) with an angular position sensor
- Waveguide (1) radiated and / or received wave (19a) instantaneously at any time, i. immediately, without further calculation, can be determined exactly.
- phased array antenna can be realized very cheaply. Also a reproduction of the
- phased array antenna elements with large numbers e.g. for use in larger array antennas, is readily possible.
- the connecting element (5) is preferably designed as an axle and consists preferably of a non-metallic,
- dielectric material such as e.g. Plastic. This has the advantage that cylindrical cavity modes are not or only slightly disturbed when the axis is symmetrically mounted in the waveguide radiator (1).
- Waveguide radiator (1) is mounted.
- the drive unit (6) the drive unit (6)
- a magnetic rotator is mounted over the termination of the waveguide radiator, which then together with the rotating magnetic field as
- Connecting element (5) acts when e.g. Parts of the polarizer consist of magnetic materials.
- the polarizers (4a) and (4b) may be e.g. consist of simple, flat meander polarizers, which on a conventional
- Carrier material are applied. These polarizers can be produced by known thin-film etching processes or by additive printing ("circuit printing").
- Polarizers (4a) and (4b) preferably a symmetrical to the axis (10) shape, so that they are in cylindrically symmetrical
- Waveguide piece of the waveguide radiator (1) can be accommodated in a simple manner.
- the polarizer (4a, b) shown in FIG. 3 is referred to as
- Meander polarizer executed.
- multi-layer meander polarizers i. parallel aligned, only fractions of the wavelength length separate structures, as they can have large frequency bandwidths and thus enable broadband operation.
- Embodiments of electromagnetic wave polarizers capable of transforming a wave of circular polarization into a wave of linear polarization.
- the conversion of the signal polarization is not effected by planar polarizers but by structures spatially distributed in the holder (eg, septum polaristors).
- structures spatially distributed in the holder eg, septum polaristors.
- holder (3) e.g. low-density closed-cell foams which are known to have very low HF losses, but also plastic materials such as
- Polytetrafluoroethylene (Teflon) or polyimides can be used. Because of the small size of the phase actuator in the range of one wavelength, especially at frequencies above 10 GHz, the HF losses remain very small with a corresponding impedance matching to the corresponding electromagnetic mode in the waveguide radiator (1).
- phase actuator (2) Since electrodynamically considered the dimensioning of the phase actuator (2) at a certain operating frequency in a similar manner as the dimensional design of the waveguide radiator (1) at a certain operating frequency, the phase actuator (2) typically readily in the interior of the waveguide radiator (1) attached become.
- Waveguide radiator (1) whose minimum diameter is typically in the range of a wavelength of the operating frequency.
- the extension of the waveguide radiator (1) in the direction of the incident waves is typically at some wavelengths of
- the dimensions of the phase actuator (2) are typically in the range less than one wavelength, i. about learning x learning. If the holder (3) is designed as a dielectric filling body and the dielectric constant is chosen to be correspondingly large, then also much smaller shapes can be realized. Although the Ohmic losses rise slightly, they are still only in the percentage range.
- Waveguide radiator (1) is very small, by
- phase actuator (2) are made so small that it fits into the waveguide radiator (1).
- FIG. 4 Phase-controlled antenna element in MS technology
- FIG. 5 Phase-controlled antenna element with dielectric
- FIG. 6 Phase-controlled antenna element for linear modes
- FIG. 7 Phase-controlled antenna element for linear modes in MS technology
- FIG. 8 Phase-controlled antenna element with additional rotatable polarizers.
- An embodiment of the phased array antenna element is shown schematically in FIG.
- the waveguide radiator (1) is designed as a cylindrical horn radiator and the signal extraction or coupling (7) is executed in microstrip technology on an RF substrate (71).
- Microstrip line (7) is designed here loop-shaped. This has the advantage that the cylindrically symmetrical waveguide mode in the waveguide radiator (1) can be excited or coupled directly and practically without loss.
- the waveguide radiator (1) is at the position of the coupling (7) at least partially cut out such that the
- Signal extraction or coupling (7) with its substrate (71) in the waveguide radiator (1) can be inserted and aligned.
- vias Through holes
- vias are provided, which produce a continuous electrical contact between the upper and lower part of the waveguide radiator (1) at the point at which the input or output coupling (7) is inserted (so-called "via fence ").
- the substrate (71) has a recess (73) through which the axis (5), the connection between the
- the holder (3) of the polarizers (4) is designed as a dielectric filling body (9) which completely fills the cross-section of the waveguide radiator (1).
- Such embodiments of the holder may be advantageous because it allows the impedance matching of the modes in the waveguide radiator (1) can be facilitated and unwanted modes can be suppressed.
- Waveguide radiators (1) generate only a very small to negligible friction.
- the signal extraction (7) is divided into two parts as two orthogonal pin-like microstrip lines (7a) and (7b), which are located on two separate, superimposed substrates.
- Polarization should be received and / or sent simultaneously. Also, phase imbalances can be compensated when the signals are processed in an orthogonal system.
- Fillers (9a) and (9b) are provided, which ensure that in the Waveguide radiator (1) remaining air volume is completely filled with dielectric.
- the filling bodies (9a) and (9b) are fixedly mounted in the waveguide radiator (1) and do not rotate with the phase actuator. For this they typically have a recess for the axis (10), analogous to the substrates of
- the waveguide radiator (1) is homogeneously filled with dielectric and the mode distribution is in its interior
- the waveguide radiator (1) it may also be advantageous to choose different dielectric constants for the different dielectric filling bodies 9. 9 a, 9 b. For example, when the waveguide radiator (1) tapers downwards, it may be advantageous for the filler body (9b) to use a higher dielectric constant.
- Phased array antenna element is shown in FIG.
- the phase actuator (2) further consists of the holder (3) and the polarizers (4a) and (4b) and has a
- Waveguide radiator (1) about the axis (10) can be rotated.
- phase actuator (2) converts incident signal with linear polarization into a signal with circular polarization, the phase actuator (2) can perform its function according to the invention readily.
- Polarizer (42) is transformed into a circular fashion. This circular mode is with the phase actuator (2) one of
- Fig. 6 also works for two simultaneously incident orthogonal linear polarizations when the signal extraction or coupling (7) is designed for two orthogonal linear modes, for example, as shown in Fig. 5.
- FIG. 6 An embodiment of the development shown in Fig. 6 is shown schematically in Fig. 7.
- the signal extraction or coupling (7) is analogous to
- Embodiment of Fig. 5 in two parts as a pin-shaped, orthogonal microstrip line (7a) and (7b) on separate
- the additional polarizers (41) and (42) are each embedded in a dielectric filling body (9c) or (9d) and
- Region between the coupling or coupling-in (7a) and (7b) is with a dielectric filling body (9a), the waveguide termination below the coupling or coupling (7b) is with a
- This structure has the advantage that the entire interior of the waveguide radiator (1) is filled with a typically similar dielectric and thus it is not too
- the second additional polarizer (42) and its dielectric filling body (9c) have, just like the dielectric filling bodies (9b) and (9a) has a central recess for the axis (5) analogous to the substrates of the microstrip lines (7a) and (7b) (see Fig. 4, (73)), so that the axis (5) is freely rotated can be.
- the coupling or coupling (7a) and (7b) can for a
- Such an arrangement is particularly advantageous when, in mobile arrangements, due to movement of the carrier, rotation of the polarization vector of the incident wave occurs relative to the array antenna fixedly mounted on the carrier.
- FIG. 1 A corresponding embodiment is shown schematically in FIG.
- the polarizer (41) is rotatable in the waveguide radiator (1)
- Polarizer (41) can rotate about the axis (10).
- the independent rotation of the polarizer (41) of the rotation of the phase actuator (2) is realized in the embodiment of Fig. 8, that the axis (5) which connects the phase actuator (2) with its drive (6), designed as a hollow shaft is.
- this hollow shaft is the connector (13), which connects the polarizer (41) with its drive (12).
- the second additional polarizer (42) is fixed in the
- Orientation of the linear mode determines which is coupled or disconnected from the coupling or coupling (7).
- the fixed orientation of the polarizer (42) therefore depends on the position of the ⁇ or coupling (7).
- the extraction or coupling (7) is in the embodiment of FIG. 8 in one piece designed as a pin-like microstrip line.
- This embodiment is advantageous if a linear mode from the waveguide radiator (1) is to be coupled or coupled.
- Embodiment of Fig. 8 can be realized. If the coupling or coupling (7) realized in two parts, then the second additional polarizer (42) can also be dispensed with, since the circularly generated by the phase actuator (2)
- polarized signal contains in principle all information of the incident wave.
- a 90 ° hybrid coupler can be used for recombining the original signal, in which the signal divided into the signals (7a) and (7b) is fed.
- Waveguide radiator 1 Waveguide radiator 1
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016112582.2A DE102016112582A1 (de) | 2016-07-08 | 2016-07-08 | Phasengesteuertes Antennenelement |
PCT/EP2017/065881 WO2018007209A1 (de) | 2016-07-08 | 2017-06-27 | Phasengesteuertes antennenelement |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3482454A1 true EP3482454A1 (de) | 2019-05-15 |
EP3482454B1 EP3482454B1 (de) | 2020-09-30 |
Family
ID=59285169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17735448.7A Active EP3482454B1 (de) | 2016-07-08 | 2017-06-27 | Phasengesteuertes antennenelement |
Country Status (7)
Country | Link |
---|---|
US (1) | US10868350B2 (de) |
EP (1) | EP3482454B1 (de) |
CN (1) | CN109417228B (de) |
DE (1) | DE102016112582A1 (de) |
ES (1) | ES2836259T3 (de) |
IL (1) | IL264095B2 (de) |
WO (1) | WO2018007209A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10135147B2 (en) * | 2016-10-18 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via an antenna |
US11616309B2 (en) * | 2019-11-20 | 2023-03-28 | Thinkom Solutions, Inc. | Wide-scan-capable polarization-diverse polarizer with enhanced switchable dual-polarization properties |
CA3190869A1 (en) | 2020-08-28 | 2022-03-03 | Amr Abdelmonem | Method and system for mitigating passive intermodulation (pim) by performing polarization adjusting |
CN114122736B (zh) * | 2022-01-26 | 2022-05-24 | 华南理工大学 | 一种全向覆盖的宽带圆极化多波束天线阵列 |
US11476574B1 (en) | 2022-03-31 | 2022-10-18 | Isco International, Llc | Method and system for driving polarization shifting to mitigate interference |
US11476585B1 (en) | 2022-03-31 | 2022-10-18 | Isco International, Llc | Polarization shifting devices and systems for interference mitigation |
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 |
US11509071B1 (en) | 2022-05-26 | 2022-11-22 | Isco International, Llc | Multi-band polarization rotation for interference mitigation |
US11509072B1 (en) | 2022-05-26 | 2022-11-22 | Isco International, Llc | Radio frequency (RF) polarization rotation devices and systems for interference mitigation |
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 |
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 |
US11956058B1 (en) | 2022-10-17 | 2024-04-09 | Isco International, Llc | Method and system for mobile device signal to interference plus noise ratio (SINR) improvement via polarization adjusting/optimization |
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 |
CN117498136B (zh) * | 2024-01-02 | 2024-03-15 | 北京镭宝光电技术有限公司 | 光参量振荡器 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2716221A (en) | 1950-09-25 | 1955-08-23 | Philip J Allen | Rotatable dielectric slab phase-shifter for waveguide |
JPS5927522B2 (ja) | 1979-01-30 | 1984-07-06 | 日本高周波株式会社 | 回転形移相器 |
DE9200386U1 (de) * | 1992-01-15 | 1992-03-05 | Ille, Rudolf, Dipl.-Ing., 7850 Lörrach | Antennenstruktur nach dem Yagi-Prinzip |
US5283590A (en) * | 1992-04-06 | 1994-02-01 | Trw Inc. | Antenna beam shaping by means of physical rotation of circularly polarized radiators |
US6081234A (en) * | 1997-07-11 | 2000-06-27 | California Institute Of Technology | Beam scanning reflectarray antenna with circular polarization |
WO2002084797A1 (en) * | 2001-04-12 | 2002-10-24 | Marius Du Plessis | Antenna |
US6717553B2 (en) * | 2001-05-11 | 2004-04-06 | Alps Electric Co., Ltd. | Primary radiator having excellent assembly workability |
US6822615B2 (en) * | 2003-02-25 | 2004-11-23 | Raytheon Company | Wideband 2-D electronically scanned array with compact CTS feed and MEMS phase shifters |
JP4822262B2 (ja) * | 2006-01-23 | 2011-11-24 | 沖電気工業株式会社 | 円形導波管アンテナ及び円形導波管アレーアンテナ |
JP4027967B2 (ja) * | 2006-04-14 | 2007-12-26 | 松下電器産業株式会社 | 偏波切換・指向性可変アンテナ |
EP2356720A4 (de) * | 2008-10-20 | 2016-03-30 | Ems Technologies Inc | Antennenpolarisationssteuerung |
US8279125B2 (en) * | 2009-12-21 | 2012-10-02 | Symbol Technologies, Inc. | Compact circular polarized monopole and slot UHF RFID antenna systems and methods |
EP2569824B1 (de) * | 2010-05-13 | 2019-03-13 | UTI Limited Partnership | Zirkular polarisierte antenne mit breitbandeigenschaften |
CN103107386B (zh) * | 2011-09-29 | 2016-01-13 | 深圳光启高等理工研究院 | 超材料移相器 |
ES2856068T3 (es) * | 2012-07-03 | 2021-09-27 | Lisa Draexlmaier Gmbh & Co Kg | Sistema de antena para comunicación satelital de banda ancha en el intervalo de frecuencias de GHz, dotado de red de alimentación |
CN204156096U (zh) * | 2014-11-03 | 2015-02-11 | 中国工程物理研究院应用电子学研究所 | 一种左右旋圆极化可重构高功率微波相控阵天线 |
CN104319488B (zh) * | 2014-11-03 | 2017-02-15 | 中国工程物理研究院应用电子学研究所 | 一种左右旋圆极化可重构高功率微波相控阵天线 |
-
2016
- 2016-07-08 DE DE102016112582.2A patent/DE102016112582A1/de not_active Withdrawn
-
2017
- 2017-06-27 ES ES17735448T patent/ES2836259T3/es active Active
- 2017-06-27 CN CN201780042424.6A patent/CN109417228B/zh active Active
- 2017-06-27 WO PCT/EP2017/065881 patent/WO2018007209A1/de unknown
- 2017-06-27 US US16/316,077 patent/US10868350B2/en active Active
- 2017-06-27 IL IL264095A patent/IL264095B2/en unknown
- 2017-06-27 EP EP17735448.7A patent/EP3482454B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
CN109417228A (zh) | 2019-03-01 |
IL264095B (en) | 2022-12-01 |
IL264095A (en) | 2019-01-31 |
CN109417228B (zh) | 2021-02-02 |
ES2836259T3 (es) | 2021-06-24 |
IL264095B2 (en) | 2023-04-01 |
US10868350B2 (en) | 2020-12-15 |
WO2018007209A1 (de) | 2018-01-11 |
US20200119422A1 (en) | 2020-04-16 |
DE102016112582A1 (de) | 2018-01-11 |
EP3482454B1 (de) | 2020-09-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3482454B1 (de) | Phasengesteuertes antennenelement | |
DE69417106T2 (de) | Ebene Antenne | |
DE69910314T2 (de) | Gruppenantenne und Funkgerät | |
DE19958750B4 (de) | Leckwellenantenne | |
DE60302766T2 (de) | Wellenleiter | |
EP1601046B1 (de) | Gruppenantenne mit einem Antennengehäuse | |
DE69931663T2 (de) | Aktive phasengesteuerte gruppenantenne und einheit zur steuerung der antenne | |
DE4136476C2 (de) | Höchstfrequenzlinse und Antenne mit elektronischer Strahlschwenkung mit einer solchen Linse | |
WO1998026642A2 (de) | Breitband-planarstrahler | |
DE112020007004T5 (de) | Phasenschieber und antenne | |
EP3482457B1 (de) | Phasengesteuerte gruppenantenne | |
DE102015009221A1 (de) | Verbesserter abstimmbarer Dual-Band-Bandpassfilter | |
EP2608316A1 (de) | Anordnung mit einer Flächenantenne zur Abstrahlung oder zum Empfangen von zirkular und linear polarisierten elektromagnetischen Wellen | |
EP0737371B1 (de) | Planarantenne | |
EP1064691B1 (de) | Integriertes wellenleiterbauelement | |
EP3482448B1 (de) | Steuerbares phasenstellglied für elektromagnetische wellen | |
WO2012084443A1 (de) | Diplexer für homodynes fmcw-radargerät | |
EP0319753B1 (de) | Erreger- bzw. Speisesystem für eine Parabolantenne | |
EP2332215B1 (de) | Antennenvorrichtung für hochfrequente elektromagnetische wellen | |
DE102010014864B4 (de) | Hohlleiterverbindung für ein Antennensystem und Antennensystem | |
DE102014017621B4 (de) | Elektronisch schaltbares Reflektorelement für Parallelplatten- oder Oberflächenwellen und dessen Anwendung | |
EP2211420A1 (de) | Hohlraumresonator HF-Leistung Verteilnetzwerk | |
Mitchell et al. | Additively Manufactured Circular-Linear Polarization Converter using Circular Waveguide | |
DE69526482T2 (de) | Phasenschieberanordnung | |
EP1043797B1 (de) | Erreger- oder Speisevorrichtung für eine Satellitenantenne |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20181217 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
INTG | Intention to grant announced |
Effective date: 20200610 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 1319744 Country of ref document: AT Kind code of ref document: T Effective date: 20201015 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502017007531 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20201231 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20201230 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20201230 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 Ref country code: RS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20200930 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210201 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210130 Ref country code: AL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2836259 Country of ref document: ES Kind code of ref document: T3 Effective date: 20210624 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502017007531 Country of ref document: DE |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 |
|
26N | No opposition filed |
Effective date: 20210701 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20210630 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210627 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210630 Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210627 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210630 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20210130 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210630 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO Effective date: 20170627 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MM01 Ref document number: 1319744 Country of ref document: AT Kind code of ref document: T Effective date: 20220627 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20220627 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20230707 Year of fee payment: 7 |
|
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20231017 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20240509 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20240628 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20240513 Year of fee payment: 8 Ref country code: FR Payment date: 20240509 Year of fee payment: 8 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 20240510 Year of fee payment: 8 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20200930 |