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WO2016119713A1 - Antenne de communication, système d'antenne et dispositif de communication - Google Patents

Antenne de communication, système d'antenne et dispositif de communication Download PDF

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Publication number
WO2016119713A1
WO2016119713A1 PCT/CN2016/072508 CN2016072508W WO2016119713A1 WO 2016119713 A1 WO2016119713 A1 WO 2016119713A1 CN 2016072508 W CN2016072508 W CN 2016072508W WO 2016119713 A1 WO2016119713 A1 WO 2016119713A1
Authority
WO
WIPO (PCT)
Prior art keywords
communication antenna
radiator
radiation
antenna according
substrate
Prior art date
Application number
PCT/CN2016/072508
Other languages
English (en)
Chinese (zh)
Inventor
刘若鹏
陈江波
Original Assignee
深圳光启高等理工研究院
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201510052323.XA external-priority patent/CN105990662A/zh
Priority claimed from CN201510052206.3A external-priority patent/CN105990661A/zh
Application filed by 深圳光启高等理工研究院 filed Critical 深圳光启高等理工研究院
Publication of WO2016119713A1 publication Critical patent/WO2016119713A1/fr

Links

Classifications

    • 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
    • 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

Definitions

  • the present invention relates to an antenna, and more particularly to a communication antenna, an antenna system having the same
  • An antenna is an electronic device for transmitting and/or receiving electromagnetic waves wirelessly, and is widely deployed in systems such as broadcast and television, radio communication, radar, and space exploration.
  • systems such as broadcast and television, radio communication, radar, and space exploration.
  • the field of antenna technology is becoming more and more extensive.
  • the requirements for antenna performance are also increasing, so there are different types of antennas to meet the different needs of various applications, such as microstrip antennas, loop antennas, horn antennas, planar antennas, and the like.
  • the antennas used are required to have high gain, wide band or multi-band, circular polarization, miniaturization, or wide coverage.
  • the multi-band antenna in the prior art has disadvantages such as a large number of antennas, a complicated structure, a large size, and poor polarization and gain performance.
  • the technical problem to be solved by the present invention is to provide a communication antenna, in particular to provide a dual-band communication antenna, and further to provide a circularly polarized dual-band antenna system and communication using the same or an antenna system device.
  • the present invention provides a communication antenna, including: a first radiator, wherein the first radiator includes a first substrate and a first radiation piece disposed on the first substrate, the first radiation The sheet has a first feeding portion and a chamfered surface, and the radiating surface of the first radiating sheet is a curved surface; and a second radiator, wherein the The second radiator includes a second substrate and a second radiating sheet disposed on the second substrate, the second radiating sheet has a second feeding portion and a chamfered surface, and the radiating surface of the second radiating sheet is a curved surface, wherein the second radiating body The second substrate is stacked on top of the first radiation sheet of the first radiator.
  • the radiation surface of the first radiation sheet is a convex surface
  • the radiation surface of the second radiation sheet is a convex surface
  • the radiation surface of the first radiation sheet is a concave surface
  • the radiation surface of the second radiation sheet is a concave surface
  • the first radiator and the second radiator respectively achieve dual-band linear polarization.
  • the first radiator and the second radiator operate in the same dual frequency band.
  • the first radiator and the second radiator realize different linear polarization directions.
  • the first radiation piece and the second radiation piece are each a rectangle having a chamfered angle.
  • the first radiating piece has two chamfers on the first diagonal
  • the second radiating piece has two chamfers on the second diagonal.
  • the first diagonal of the first radiating piece is at an angle to the second diagonal of the second radiating piece.
  • the first diagonal of the first radiating piece and the second diagonal of the second radiating piece are perpendicular to each other.
  • the geometric centers of the first radiation piece and the second radiation piece are aligned with each other.
  • the first power feeding portion and the second power feeding portion are coaxial power feeding portions.
  • the first feeding portion is disposed on a first symmetry axis of the first radiation piece
  • the second feeding portion is disposed on a second symmetry axis of the second radiation piece,
  • the first axis of symmetry and the second axis of symmetry are different in direction.
  • the first axis of symmetry and the second axis of symmetry are orthogonal.
  • the size of the first radiation piece is larger than the size of the second radiation piece.
  • the dielectric constant of the second substrate is greater than the dielectric constant of the first substrate.
  • the first radiator and the second radiator are placed in a cavity, wherein the cavity is gargle in a radiation direction of the communication antenna.
  • the cavity is a circular or square cavity.
  • the first radiator and the second radiator have a filling material between the cavity and the cavity.
  • the first substrate and the second substrate are each rectangular.
  • the first substrate and/or the second substrate are made of a dielectric substrate having a conductive microstructure;
  • the first radiator and the second radiator are mutually Electrical insulation.
  • the communication antenna further comprises: a frequency selective radome, wherein the frequency selective radome is disposed in a radiation direction of the communication antenna.
  • the present invention provides an antenna system, including: a power feeding port; a power splitter, a first end of the power splitter being connected to the power feeding port; a communication antenna, wherein a second end of the power splitter is connected to the first power feeder via a first feed line, and a third end of the power splitter is connected to the first via a second feed line a two-feeding unit, wherein a signal on the first feeder line and a signal on the second feeder line are phase-shifted from each other.
  • the first feeder line or the second feeder line has a phase shifter.
  • the phase shifter is a 90° phase shifter.
  • the lengths of the first feeding line and the second feeding line are different by 1/4 wavelength.
  • the invention provides a communication device comprising a communication antenna as described above or an antenna system as described above.
  • the present invention has the following significant advantages as compared with the prior art because of the above technical solutions: [0034]
  • the communication antenna of the present invention employs a stacked first radiator and a second radiator, which can reduce the communication antenna. Volume and size.
  • each radiator of the antenna By providing each radiator of the antenna with a curved surface, it is beneficial to improve the radiation efficiency and further meet the miniaturization and conformal design requirements of special application environments.
  • the first radiator and the second radiator may be conformal convex structures, such that The communication antenna can be more compact.
  • each radiating body of the antenna With a concave radiating surface, it is advantageous to improve the radiation efficiency and further meet the miniaturization and conformal design requirements of a special application environment.
  • the first radiator and the second radiator may be a conformal concave structure, such that The communication antenna can be more compact.
  • the communication antenna of the present invention can achieve dual-band linear polarization for each of the radiation sheets by chamfering the radiation sheets. Furthermore, the first radiator and the second radiator can operate in the same dual frequency band. By setting the linear polarization direction of the first radiation piece and the second radiation piece, a communication antenna can be used to realize the double-line polarization double Frequency band.
  • the antenna system of the present invention is capable of forming a circularly or elliptically polarized radiation signal by phase shifting an input signal entering one of the radiators.
  • the invention reduces the size, weight and antenna system of the antenna system. cost.
  • the communication antenna of the present invention has the advantages of low profile, light weight, small size, easy conformalization, and mass production, and can realize dual-band linear polarization or even further realize dual-band circular polarization, and can be widely applied. In all areas of measurement and communication.
  • FIG. 1a is a schematic perspective structural view of a communication antenna according to an embodiment of the invention.
  • FIG. 1b is a perspective structural view of a communication antenna according to another embodiment of the present invention.
  • FIG. 2 shows a schematic plan view of a communication antenna according to an embodiment of the invention
  • FIG. 3a illustrates an exploded schematic view of a communication antenna with an exemplary cavity and radome, in accordance with an embodiment of the present invention
  • FIG. 3a' is an exploded perspective view of a communication antenna with an exemplary cavity and radome, in accordance with another embodiment of the present invention.
  • 3b shows a schematic plan view of an exemplary communication antenna placed in a square cavity in accordance with an embodiment of the present invention
  • FIG. 3c shows a schematic plan view of an exemplary communication antenna placed in a circular cavity in accordance with an embodiment of the present invention
  • FIG. 4 shows a schematic structural diagram of an antenna system according to an embodiment of the present invention
  • FIG. 5a is a graph showing a voltage standing wave ratio of a communication antenna according to an embodiment of the present invention.
  • FIG. 5b is a graph showing a voltage standing wave ratio of an antenna system according to an embodiment of the present invention.
  • FIG. 6 shows a gain graph of an antenna system in accordance with an embodiment of the present invention
  • the communication antenna 100 may include a first radiator 10 and a second radiator 20 stacked in a stack, wherein the first radiator 10 includes a first substrate 11 and is disposed on the first substrate 11.
  • the first radiating sheet 12, and the second radiator 20 includes a second substrate 21 and a second radiating sheet 22 disposed on the second substrate 21.
  • the second substrate 21 of the second radiator 20 is stacked on top of the first radiation sheet 12 of the first radiator 10.
  • the radiating surface of the first radiating sheet 12 is a curved surface
  • the radiating surface of the second radiating sheet 22 is a curved surface
  • the curved surface here may be, for example but not limited to, a convex surface or a concave surface.
  • the first radiating sheet 12 and the second radiating sheet 22 are made of a conductive material such as metal.
  • the first radiating sheet 12 and the second radiating sheet 22 may be patches on the first substrate 11 and the second substrate 21, respectively, or may be etched by photolithography on the first substrate 11 and the second substrate 21, respectively.
  • a radiator composed of each of the radiation sheets and the corresponding substrate constitutes a transmitting/receiving unit.
  • the radiating surface of the first radiating sheet 12 (the upper surface in FIG. la) is a convex surface.
  • the radiating surface of the second radiating sheet 22 (the upper surface in Fig. la) is convex.
  • the first substrate 11 may be convexly conformed to the first radiating sheet 12, and the second substrate 21 may be conformally convex with the second radiating sheet 22.
  • the radiating surface of the first radiating sheet 12 (the upper surface in Figure lb) is concave.
  • the radiating surface (upper surface in Fig. 1b) of the second radiating sheet 22 is concave.
  • the first substrate 11 may be concavely conformed to the first radiating sheet 12, and the second substrate 21 may be concavely conformed to the second radiating sheet 22.
  • the first substrate 11 and the second substrate 21 may each be a flat plate structure or other shapes.
  • FIGS. 1a and 1b show the first substrate 11, the first radiation sheet 12, the second substrate 21, and the second radiation sheet 22, respectively. It is self-rectangular, but other shapes may be employed in other alternative embodiments, and may be identical/similar or different from each other.
  • the shapes of the first radiating sheet 12 and the second radiating sheet 22 may be the same.
  • the size of the first radiating sheet 12 may be larger than the size of the second radiating sheet 22, for example such that the edge of the first radiating sheet 12 is not blocked by the second radiating sheet 22 (or the second radiator 20).
  • the geometric centers of the first radiating sheet 12 and the second radiating sheet 22 may be aligned with each other.
  • the first substrate 11 and the second substrate 21 may be made of a dielectric substrate such that the first radiator 10 and the second radiator 20 are stacked, and the second substrate 21 is such that the first radiator 10 and the second radiator 20 are placed on each other Electrical insulation. At the same time, the first substrate 11 can isolate the communication antenna 100 from other structural components.
  • first substrate 11 and the second substrate 21 may have an electrically conductive (eg, metal) microstructure.
  • the conductive microstructures within the substrate have a planar or steric structure of a geometric pattern and can be placed horizontally and/or vertically within the substrate, also referred to as a metamaterial microstructure.
  • the dielectric constant of the substrate can be changed, thereby being suitable for providing substrates having different dielectric constants.
  • the dielectric constant of the second substrate 21 may be greater than the dielectric constant of the first substrate 11.
  • the first radiating sheet 12 and the second radiating sheet 22 may each have a chamfer angle, that is, cut off some/some of the corners or portions of the material of the radiating sheet.
  • the first radiating sheet 12 and the second radiating sheet 22 can each achieve dual-band linear polarization, and can control the frequency band position of the dual frequency band.
  • the first radiating sheet 12 and the second radiating sheet 22 are rectangular radiating sheets each having a hexagonal shape after cutting off two diagonals on one diagonal.
  • the first radiating sheet 12 may have two chamfers 15a and 15b on the first diagonal A
  • the second radiating sheet 22 may have two chamfers 25a and 25b on the second diagonal B.
  • the first diagonal A of the first radiating sheet 12 is at an angle to the second diagonal B of the second radiating sheet 22.
  • the first diagonal A of the first radiating sheet 12 and the second diagonal B of the second radiating sheet 22 are perpendicular to each other. It will be understood that in other embodiments of the invention, the two chamfers of each of the first radiating sheet 12 and the second radiating sheet 22 may not be on the diagonal.
  • each of the first radiator 10 and the second radiator 20 can transmit/receive a dual-band linearly polarized signal, and the first radiator 10 and the second radiation Body 20 can operate in the same dual band. Since the first diagonal A and the second diagonal B are at an angle, the linearly polarized signals of the first radiator 10 and the second radiator 20 can form a circular polarization or an elliptical pole with a phase shift from each other. Radiation signal. Especially when the diagonal A and B of the chamfer are perpendicular, you can make two lines.
  • the polarization is in a state of being perpendicular to each other, that is, one is horizontal polarization and one is vertical polarization, so that a circular polarization signal forms a good circular pole with another route polarization signal when one of the route polarization signals has a phase shift of 90 degrees. Radiation signal.
  • the chamfer may have various forms such as size, position, angle of resection (i.e., angle with the edge of the radiation sheet), and the like.
  • the angles of the respective chamfers 15a, 15b, 25a and 25b are selected between 35 and 55 degrees. More preferably, the angles of the respective chamfers 15a, 15b, 25a and 25b are 45 degrees. It can be understood that the chamfering angle can also be other angles.
  • the respective chamfers 15a, 15b, 25a and 25b have the same shape.
  • FIGS. 1a, 1b, 2 also show that the first radiating sheet 12 has a first feeding portion 16 (not shown in FIGS. 1a and 1b, and is shown by a broken circle in FIG. 2, indicating the first radiation located below).
  • the second radiating sheet 22 has a second feeding portion 26.
  • the first power feeding portion 16 and the second power feeding portion 26 may receive input signals from the feed source to be radiated through the first radiation sheet 12 and the second radiation sheet 22, respectively, or may be used by the first radiation sheet 12 and the second radiation sheet 22 The received signal is output to the processing unit.
  • the first feed portion 16 can be located on a horizontal axis of symmetry of the first radiating sheet 12, and the second feed portion 26 can be located on a vertical axis of symmetry of the second radiating sheet 22.
  • the first feed portion 16 may be located on a vertical axis of symmetry of the first radiating sheet 12, and the second feed portion 26 may be located on a horizontal axis of symmetry of the second radiating sheet 22.
  • the first feeding portion 16 and the second feeding portion 26 are movable on the axis of symmetry on which they are located to adjust the impedance matching of the respective radiation sheets.
  • the first power feeder 16 is a coaxial power feeder.
  • the second power feeder 26 is preferably a coaxial power feeder. The coaxial feed mode reduces the interference of the feed structure.
  • the communication antenna 100 as described above is compact in structure, and each of the radiation sheets and the substrate can have a conformal structure, which reduces the size of the communication antenna and improves the integration.
  • each radiating sheet can realize dual-band linear polarization, and the first radiating sheet 12 and the second radiating sheet 22 can be controlled as needed.
  • the working frequency band and the linear polarization direction so that a communication antenna 100 can be used to realize the dual-line polarization dual frequency band.
  • FIG. 3a shows an exploded schematic view of a communication antenna with an exemplary cavity 300 and an optional radome 310, in accordance with an embodiment of the present invention.
  • the communication antenna 100 as shown in FIG. 1a can be placed in the cavity 300, wherein the cavity 30 0 is gargle in the radiation direction of the communication antenna 100.
  • the cavity 300 can have a variety of suitable shapes, such as square or circular cavities.
  • Figure 3a' shows an exploded schematic view of a communication antenna with an exemplary cavity 300 and an optional radome 310, in accordance with another embodiment of the present invention.
  • the communication antenna 100 as shown in FIG. 1b can be placed in the cavity 3 In the 00, the cavity 300 is gargle in the radiation direction of the communication antenna 100.
  • the cavity 300 can have a variety of suitable shapes, such as square or circular cavities.
  • FIG. 3b illustrates a schematic diagram of an exemplary communication antenna 100 disposed in a square cavity 300b
  • FIG. 3c illustrates an exemplary communication in accordance with an embodiment of the present invention.
  • the functions of the cavity 300 shown in Figures 3a and 3a' include, but are not limited to, supporting the communication antenna 100, protecting the communication antenna 100 from the surrounding environment, and the effects of human manipulation.
  • the material of the cavity 300 is not limited, and is usually metal, but may be a non-metallic material suitable for the implementation.
  • the microstrip antenna 100 preferably does not contact the sidewall of the cavity 300.
  • a filler material may be suitably disposed between the cavity 300 and the communication antenna 100 to better serve the fixation, shock absorption, and/or support.
  • a foam fill material may be placed within the cavity 300 to fill the gap between the communication antenna 100 and the cavity 300 to prevent the communication antenna 100 from being unstable in use.
  • the first radiator 10 and the second radiator 20 of the communication antenna 100 and the bottom of the cavity 300 may have a conformal convex structure, so that the communication antenna can be made more compact.
  • the first radiator 10 and the second radiator 20 of the communication antenna 100 and the bottom of the cavity 300 may have a conformal concave structure, so that the communication antenna can be made more compact.
  • the radome 310 may be disposed in the radiation direction of the communication antenna 100.
  • the radome 310 may be fixed to the substrate of the communication antenna 100 or, in the case of having the cavity 300, may be fixed to the cavity 300 to cover the mouth of the cavity 300.
  • the radome 310 can be configured to conform to the communication antenna 100 and/or the cavity 300 (e.g., convex or concave) to adequately meet the requirements for miniaturization.
  • the radome 310 can also have other shapes, such as a flat shape.
  • the radome 310 can provide protection for the communication antenna 100 and preferably has good wave transmission performance without affecting signal radiation/reception of the communication antenna 100.
  • the radome 310 can be a frequency selective radome 310 that has good wave transmission performance and can produce a desired electromagnetic response to control the propagation of electromagnetic waves.
  • the antenna system shown in Fig. 4 includes a feed port 410 at the front end, a power splitter 420, a first feed line 430a and a second feed line 430b, and a communication antenna 100 as shown in Fig. 1a or lb.
  • the power splitter 420 can be a two-way splitter.
  • the feed port 410, the power splitter 420, the first feed line 430a, and the second feed line 430b constitute an antenna system
  • the feed network of the system wherein the first feed line 430a and the second feed line 430b are connected to the first feed portion 16 of the first radiator 10 and the second feed portion 26 of the second radiator 20, respectively.
  • the first end of the power splitter 420 is connected to the feed port 410
  • the second end of the power splitter 420 is connected to the first power feeder 16 via the first feed line 430a
  • the third end of the power splitter 420 It is connected to the second power feeder 26 via the second feed line 430b.
  • the power splitter 420 can split the excitation signal from the feed port 410 into multiple (eg, two) excitation signals for delivery to the first feed line 430a and the second feed line 430b, or will be via the first feed
  • the receiving signals from the plurality of antenna radiators of the electric line 43 0a and the second feeding line 430b are combined into one receiving signal and sent to the feeding port 410.
  • the power splitter 420 can use a 3dB splitter of the microstrip line power split mode to save space and effectively reduce the weight of the system. Further, the 3dB splitter can remove the isolation resistor therein.
  • the signals on the first feed line 430a and the signals on the second feed line 430b are phase shifted from each other.
  • at least one of the first feed line 430a and the second feed line 430b may have a phase shifter 440 (eg, a 90° phase shifter)
  • the excitation signals fed to the first radiator 10 and the second radiator 20 are made 90° out of phase with each other, so that the circular polarization operation mode of the communication antenna 100 can be realized.
  • the lengths of the first feed line 430a and the second feed line 430b may differ by 1/4 wavelength to achieve a 90° phase shift.
  • the communication antenna 100 can realize the dual-line polarization dual band by the stacked first radiator 10 and second radiator 20.
  • the linearly polarized dual-band signal of the first radiator 10 and the linearly polarized dual-band signal of the second radiator 20 having a phase shift of 90° can form a circle.
  • an excitation signal enters the first end of the power splitter 420 from the power feeding port 410 (here, it is an input end), and is split into two signals by the power splitter 420, wherein one of the signals passes through the first
  • the second end (which is the output end) and the first feed line 430a are supplied to the first power feeder 16 of the first radiator 10 in the communication antenna 100, and the other signal passes through the third end (this is the output)
  • the second feeding portion 26 of the second radiator 20 of the communication antenna 100 is supplied to the second feeding line 430b (and the phase shifter 440).
  • the two received signals received by the first radiator 10 and the second radiator 20 are respectively passed from the first feeding portion 16 and the second feeding portion 26 via the first feeding line 430a and the second feeding unit.
  • the electric line 430b (and the phase shifter 440) is transmitted to the second end of the power splitter 420 (here, the input end) and the third end (which is the input end), and is combined into a signal by the power splitter 420. , and then output to the feed end from the first end (this is the output end) Port 410 is processed by a subsequent receiving circuit.
  • the phase shifter 440 can be located on the first feed line 430a and operate in the same principle.
  • dual-band circular polarization can be realized with only one set of signal processing devices, which greatly simplifies the structure of the antenna and reduces the cost.
  • the communication antenna or antenna system of the above embodiment of the present invention can be incorporated in a communication device to transmit/receive signals for the communication device.
  • FIG. 5a is a graph showing a radiation voltage standing wave ratio of the communication antenna 100 according to an embodiment of the present invention, in which the horizontal axis is the frequency and the vertical axis is the voltage standing wave ratio (VSWR) real part.
  • the voltage standing wave ratio shown in Figure 5a shows that the communication antenna 100 (or one of the radiators 20 or 30) as described in Figure 1 can achieve linearly polarized dual-band radiation with the receipt of an excitation signal, Has a good voltage standing wave ratio in both frequency bands.
  • FIG. 5b is a graph showing a received voltage standing wave ratio of an antenna system in which the horizontal axis is the frequency and the vertical axis is the real part of the voltage standing wave ratio (VSWR), in accordance with an embodiment of the present invention.
  • the voltage standing wave ratio shown in FIG. 5b shows the output of the communication antenna 100 (including the two antenna radiators) of the antenna system shown in FIG. 4 at the feed port 410 after the signals received by the power divider 420 are merged.
  • the signal has a good voltage standing wave ratio over the entire operating frequency band.
  • FIG. 6 shows a gain graph of an antenna system in which a horizontal axis is a pitch angle according to an embodiment of the present invention.
  • the vertical axis is the far-field gain, which achieves good gain over a ⁇ 50° pitch angle range.
  • FIG. 7 shows an axial ratio graph of an antenna system in which an abscissa is an azimuth angle according to an embodiment of the present invention.
  • the antenna system of the embodiment of the present invention can achieve an axial ratio of less than or equal to 5 within a range of ⁇ 50° azimuth, achieving good circular polarization performance.
  • the communication antenna of the present invention can achieve dual-band linear polarization for each of the radiation sheets by chamfering the radiation sheets. Furthermore, the first radiator and the second radiator can operate in the same dual frequency band. Further, the antenna system of the present invention can form a circularly or elliptically polarized radiation signal by shifting the input signal entering one of the radiators by 90°. Compared with the prior art, two sets of signal processing devices are required to realize dual-band circular polarization, or a set of signal processing devices are used to process two sets of signals in a multiplexed manner, the invention reduces the size, weight and antenna system of the antenna system. cost.
  • the communication antenna of the present invention can be widely used in various fields of measurement and communication because of its advantages of low profile, light weight, small size, easy conformalization and mass production. Circular polarization performance of an embodiment of the present invention Antenna systems are used in a wider range of applications and can be applied to mobile communications, satellite navigation and other fields.

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Abstract

La présente invention concerne une antenne de communication, un système d'antenne et un dispositif de communication. L'antenne de communication peut comprendre un premier élément rayonnant, le premier élément rayonnant comprenant un premier substrat et une première feuille de rayonnement disposée sur le premier substrat, la première feuille de rayonnement ayant une première partie d'alimentation et un angle de tangente, et une surface de rayonnement de la première feuille de rayonnement étant une surface incurvée ; et un deuxième élément rayonnant, le deuxième élément rayonnant comprenant un deuxième substrat et une deuxième feuille de rayonnement disposée sur le deuxième substrat, la deuxième feuille de rayonnement ayant une deuxième partie d'alimentation et un angle de tangente, une surface de rayonnement de la deuxième feuille de rayonnement étant une surface incurvée, et le deuxième substrat du deuxième élément rayonnant étant empilé sur la première feuille de rayonnement du premier élément rayonnant.
PCT/CN2016/072508 2015-01-30 2016-01-28 Antenne de communication, système d'antenne et dispositif de communication WO2016119713A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201510052323.X 2015-01-30
CN201510052206.3 2015-01-30
CN201510052323.XA CN105990662A (zh) 2015-01-30 2015-01-30 通信天线、天线系统及通讯设备
CN201510052206.3A CN105990661A (zh) 2015-01-30 2015-01-30 通信天线、天线系统及通讯设备

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Publication Number Publication Date
WO2016119713A1 true WO2016119713A1 (fr) 2016-08-04

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6995709B2 (en) * 2002-08-19 2006-02-07 Raytheon Company Compact stacked quarter-wave circularly polarized SDS patch antenna
US20060097924A1 (en) * 2004-11-10 2006-05-11 Korkut Yegin Integrated GPS and SDARS antenna
CN101378146A (zh) * 2007-08-30 2009-03-04 通用汽车环球科技运作公司 双频段层叠贴片天线
CN101529651A (zh) * 2006-09-15 2009-09-09 莱尔德技术股份有限公司 层叠贴片天线

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6995709B2 (en) * 2002-08-19 2006-02-07 Raytheon Company Compact stacked quarter-wave circularly polarized SDS patch antenna
US20060097924A1 (en) * 2004-11-10 2006-05-11 Korkut Yegin Integrated GPS and SDARS antenna
CN101529651A (zh) * 2006-09-15 2009-09-09 莱尔德技术股份有限公司 层叠贴片天线
CN101378146A (zh) * 2007-08-30 2009-03-04 通用汽车环球科技运作公司 双频段层叠贴片天线

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