WO2020132865A1 - Unité d'antenne et antenne de réseau équiphase - Google Patents

Unité d'antenne et antenne de réseau équiphase Download PDF

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Publication number
WO2020132865A1
WO2020132865A1 PCT/CN2018/123490 CN2018123490W WO2020132865A1 WO 2020132865 A1 WO2020132865 A1 WO 2020132865A1 CN 2018123490 W CN2018123490 W CN 2018123490W WO 2020132865 A1 WO2020132865 A1 WO 2020132865A1
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WO
WIPO (PCT)
Prior art keywords
antenna
dipole
antenna unit
electric dipole
magnetic
Prior art date
Application number
PCT/CN2018/123490
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English (en)
Chinese (zh)
Inventor
邓长顺
王江
史荣涛
Original Assignee
华为技术有限公司
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
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2018/123490 priority Critical patent/WO2020132865A1/fr
Publication of WO2020132865A1 publication Critical patent/WO2020132865A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems

Definitions

  • the present application relates to the technical field of antennas, in particular to an antenna unit and a phased array antenna.
  • phased array antenna technology is to change the maximum direction of the radiation pattern of the array antenna by controlling the feeding phase of the antenna unit in the array antenna, so as to achieve the purpose of beam scanning.
  • phased array antennas Compared with traditional mechanical scanning antenna arrays, phased array antennas have the advantages of fast and high-precision beam scanning, beam forming, and multi-beam forming.
  • the beam scanning width has been the key research direction of the phased array antenna.
  • the structural form of the antenna unit largely determines the beam scanning width of the phased array antenna. Therefore, when designing a phased array antenna, a wide beam antenna unit is preferred.
  • the antenna elements in the phased array antenna are mostly single-polarized antenna elements, which has the problem of low communication efficiency.
  • the wide beam dual polarized antenna unit is an urgent problem to be solved.
  • the present application provides an antenna unit and a phased array antenna, which solves the problem that the antenna unit in the existing phased array antenna is mostly a single-polarized antenna unit, and the communication efficiency is low.
  • a first aspect of an embodiment of the present application provides an antenna unit, the antenna unit at least includes: a reflective plate, a magnetic dipole, and an electric dipole, wherein,
  • the magnetic dipole and the electric dipole are disposed on the reflecting plate, and the equivalent magnetic current direction of the magnetic dipole and the current direction of the electric dipole are parallel.
  • the dual-polarized wide-beam antenna unit has a simple structure and low cost.
  • the wide beam antenna unit is applied to a phased array antenna, a dual-polarized phased array antenna with a large-angle beam scanning is truly realized.
  • the magnetic dipole adopts a half-loop antenna and has a half-loop structure.
  • the half-loop antenna is placed vertically above the reflection plate, and the loop antenna is simulated by the mirror effect of the reflection plate.
  • the structure of the magnetic dipole can be simplified, and the space occupied by the antenna unit can be saved.
  • At least one slot may be provided on the half-loop antenna, and the at least one slot makes the half-loop antenna structurally form at least one capacitor.
  • the performance of the half-loop antenna can be improved.
  • the height of the electric dipole can be set. Specifically, the difference between the height of the electric dipole relative to the reflection plate and 3/8 of the operating wavelength of the antenna unit is within a preset range.
  • the widest beam characteristic of the electric dipole can be obtained.
  • the electric dipole may use a half-wave vibrator, and the half-wave vibrator is placed in parallel above the reflection plate.
  • the magnetic dipole and the electric dipole may be placed vertically.
  • the magnetic dipole and the electric dipole use balun or differential feeding.
  • the magnetic dipole and/or the electric dipole adopt a butterfly structure.
  • the butterfly structure By using the butterfly structure, the working bandwidth of the antenna unit can be increased.
  • the magnetic dipole uses a slot antenna, and the slot of the slot antenna is parallel to the plane formed by the electric dipole.
  • the electric dipole is placed directly above or above the slot.
  • a method of providing a super surface on the reflection plate and/or the electric dipole may also be adopted.
  • the space occupied by the antenna unit can be reduced, and thus the volume of the phased array antenna formed by the antenna unit can be reduced.
  • the magnetic dipole and/or the electric dipole are disposed on a supporting medium;
  • the materials of the supporting medium and the reflecting plate may be any of the following: PCB board, plastic, metal.
  • a second aspect of the embodiments of the present application provides a phased array antenna, including at least two antenna units in any feasible implementation manner of the first aspect above; each of the antenna units is distributed in an array.
  • the phased array antenna of the antenna unit in the above feasible implementation manner can truly realize a large-angle beam scanning under the condition of simple structure and low cost.
  • the antenna unit includes: a reflecting plate, a magnetic dipole and an electric dipole, wherein the magnetic dipole and the electric dipole are arranged on the reflecting plate, and the equivalent magnetic of the magnetic dipole
  • the flow direction is parallel to the current direction of the electric dipole.
  • the antenna unit provided in this embodiment by setting the equivalent magnetic current direction of the magnetic dipole and the current direction of the electric dipole in parallel, the wide beam surfaces of the magnetic dipole and the electric dipole are in the same direction, Realize the dual-polarized antenna unit's large-angle beam scanning.
  • the dual-polarized wide-beam antenna unit provided in this embodiment has a simple structure and low cost.
  • FIG. 1 is a schematic structural diagram of an antenna unit provided in Embodiment 1 of the present application.
  • FIG. 2 is a schematic structural diagram of a magnetic dipole in an antenna unit provided in Embodiment 1 of the present application;
  • FIG. 3 is a schematic structural diagram of an electric dipole in an antenna unit provided in Embodiment 1 of the present application;
  • FIG. 4 is a schematic diagram of the radiation direction of the antenna unit provided in Embodiment 1 of the present application.
  • FIG. 5 is a schematic structural diagram of an antenna unit provided in Embodiment 2 of the present application.
  • FIG. 6 is a schematic structural diagram of an antenna unit provided in Embodiment 3 of the present application.
  • FIG. 7 is a schematic structural diagram of an antenna unit provided in Embodiment 4 of the present application.
  • FIG. 8 is a schematic structural diagram of an antenna unit provided in Embodiment 5 of the present application.
  • FIG. 9 is a schematic structural diagram of an antenna unit provided in Embodiment 6 of the present application.
  • FIG. 10 is a schematic structural diagram of an antenna unit according to Embodiment 7 of the present application.
  • FIG. 11 is a schematic structural diagram of an antenna unit provided in Embodiment 8 of the present application.
  • FIG. 12 is a schematic structural diagram of a phased array antenna provided by an embodiment of the present application.
  • FIG. 13 is an array scanning direction diagram of a phased array antenna provided by an embodiment of the present application.
  • An embodiment of the present application provides an antenna unit with a wide beam characteristic, which can be applied to a phased array antenna, which increases the beam scanning width of the phased array antenna and improves the performance of the phased array antenna.
  • FIG. 1 is a schematic structural diagram of an antenna unit provided in Embodiment 1 of the present application. As shown in FIG. 1, the antenna unit includes: a reflective plate 11, a magnetic dipole 12, and an electric dipole 13, wherein,
  • the magnetic dipole 12 and the electric dipole 13 are disposed on the reflective plate 11, and the equivalent magnetic current direction of the magnetic dipole 12 and the current direction of the electric dipole 13 are parallel.
  • a reflection plate 11 is added to the antenna unit to improve the radiation performance of the antenna signal.
  • the radiant energy of the antenna will be concentrated perpendicular to the reflective plate 11 in the direction of the antenna, thereby increasing the gain and front-to-rear ratio of the antenna unit, thereby increasing the coverage of the antenna.
  • the reflective plate 11 also serves to block and shield interference from other structures on the back (reverse direction) of the antenna unit.
  • the magnetic dipole 12 and the electric dipole 13 are provided on the same side of the reflective plate 11 for sending or receiving signals to the space.
  • the electric dipole 13 may be a wire with a preset length at one end, and in principle analysis, it can be regarded as a system composed of two equal charge points of different signs that are close to each other.
  • the magnetic dipole 12 is a physical model established by analogy with an electric dipole, and can be considered as a closed loop current.
  • the magnetic dipole 12 and the electric dipole 13 can individually transmit or receive signals into space.
  • FIG. 2 is a schematic structural diagram of a magnetic dipole in an antenna unit provided in Embodiment 1 of the present application.
  • the 3dB lobe widths of the E-plane and H-plane of the ideal magnetic dipole 12 are 360° and 78°, respectively, and the E-plane is called the wide beam plane (wide plane) of the magnetic dipole.
  • the plane where the equivalent magnetic current direction of the magnetic dipole lies is the H plane of the magnetic dipole.
  • the magnetic dipole 12 is compressed by the reflection plate 11 toward the space where the vibrator is located. The degree of compression is affected by the size of the reflection plate, and a broad beam characteristic is obtained on the E plane.
  • FIG. 3 is a schematic structural diagram of an electric dipole in an antenna unit provided in Embodiment 1 of the present application.
  • the 3dB lobe widths of the E-plane and H-plane of the ideal electric dipole 13 are 78° and 360°, respectively.
  • the H-plane is called the wide beam plane (wide plane) of the electric dipole 13.
  • the plane where the current direction of the electric dipole 13 is located is the E plane of the electric dipole.
  • the electric dipole 13 is compressed by the reflection plate 11 toward the space where the vibrator is located. The degree of compression is affected by the size of the reflection plate, and a wide beam characteristic is obtained on the H plane.
  • the E plane refers to the plane that passes through the direction of maximum radiation and is parallel to the electric field vector.
  • the H plane refers to the wide beam plane that passes through the direction of maximum radiation and is perpendicular to the electric field vector.
  • the broad beam plane E plane of the magnetic dipole 12 and the wide beam plane of the electric dipole 13 are made
  • the H plane is parallel, so that each polarization of the dual-polarized antenna unit can realize a wide beam in the same direction, thereby realizing a large-angle beam scanning when the antenna unit is applied to a phased array antenna.
  • FIG. 4 is a schematic diagram of the radiation direction of the antenna unit provided in Embodiment 1 of the present application.
  • FIG. 4 indicates the gain on the wide surface of the antenna unit when it deviates from the maximum pointing direction of the antenna unit by different angles (Theta, in deg). Among them, 0° is the maximum pointing direction of the antenna unit.
  • the heterogeneous dual-polarized antenna element in this embodiment has a 3dB lobe width exceeding 120°.
  • the antenna unit provided in this embodiment by setting the equivalent magnetic current direction of the magnetic dipole and the current direction of the electric dipole in parallel, the wide beam surfaces of the magnetic dipole and the electric dipole are in the same direction, A dual-polarized phased array antenna that truly realizes a wide-angle beam scan.
  • the dual-polarized wide-beam antenna unit provided in this embodiment has a simple structure and low cost.
  • FIG. 5 is a schematic structural diagram of an antenna unit provided in Embodiment 2 of the present application.
  • the magnetic dipole is a half-loop antenna 14.
  • the magnetic dipole 12 is a half-loop antenna, and the half-loop antenna 14 is vertically placed above the reflection plate 11, and the loop antenna is simulated by the mirror effect of the reflection plate 11.
  • the magnetic dipole 12 is a half-loop antenna 14 with a half-loop structure.
  • a current is formed on the half-loop antenna 14, according to the mirroring principle of the reflection plate 11, the current will form a reflow through the reflection plate 11 to form a complete
  • the ring current that is, the ring-shaped magnetic dipole 12 is formed.
  • the half-loop antenna may be a half-loop antenna or a semi-arc antenna.
  • the half-ring structure may be a semi-rectangular frame.
  • the half-loop antenna 14 has at least one slot 15, and the at least one slot 15 makes the half-loop antenna 14 structurally form at least one capacitor.
  • this embodiment uses a capacitance-increasing method to cut off the half-loop antenna 14 of the magnetic dipole, so that its performance is more superior .
  • the slots 15 on the half-loop antenna 14 may be symmetrically arranged, and the number and positions of the slots 15 may be specifically set according to the performance of the antenna unit, which is not limited in this application.
  • the added capacitance in this embodiment may be an interdigital capacitor (interdigital capacitor).
  • the interdigital capacitor has a larger capacitance value, which can further improve the performance of the half-loop antenna.
  • the embodiments of the present application further provide an antenna unit.
  • 6 is a schematic structural diagram of an antenna unit provided in Embodiment 3 of the present application.
  • the electric dipole is a half-wave oscillator.
  • the electric dipole 13 is a half-wave vibrator 16, and the half-wave vibrator 16 is placed in parallel above the reflection plate 11.
  • the half-wave vibrator 16 is a symmetrical vibrator with two arms of equal length, and the operating wavelength ⁇ of the antenna unit with each arm length of one quarter, and the total length of both arms is two One-half the operating wavelength of the antenna element ⁇ .
  • a half-wave oscillator with a simple structure is used as an electric dipole, which simplifies the structure of the antenna unit and reduces the cost of the antenna unit.
  • the difference between the height of the electric dipole 13 relative to the reflective plate 11 and 3/8 of the operating wavelength ⁇ of the antenna unit is within a preset range Inside.
  • the radiation direction of the electric dipole 13 will be compressed toward the vibrator.
  • the electric dipole 13 above the reflection plate 11 at about 3 ⁇ /8 At this point, the widest beam characteristic of the electric dipole 13 can be obtained.
  • the specific position where the electric dipole 13 is disposed above the reflective plate 11 can be adjusted according to the actual reflective plate 11, the magnetic dipole 12, the feeding method, and the like. It can be understood that when the electric dipole 13 uses the half-wave vibrator 16, the height of the half-wave vibrator 16 relative to the reflection plate 11 can be calculated from the uppermost, center position, or lowermost of the half-wave vibrator 16.
  • the magnetic dipole 12 and/or the electric dipole 13 in any of the foregoing embodiments may adopt a butterfly structure to increase the operating bandwidth of the antenna unit.
  • an embodiment of the present application further provides an antenna unit.
  • 7 is a schematic structural diagram of an antenna unit provided in Embodiment 4 of the present application.
  • the magnetic dipole 12 is a half-loop antenna 14, as shown in FIG. 7, the magnetic dipole 12 and the electric dipole 13 are placed vertically.
  • the electric dipole 13 may or may not intersect with the magnetic dipole 12.
  • the electric dipole 13 and the magnetic dipole 12 can be coaxial, as shown in FIG. 7(a).
  • the axis is the axis of symmetry of the electric dipole 13 and the magnetic dipole 12, as shown by the broken line in FIG. 7.
  • the electric dipole 13 can intersect with the magnetic dipole 12 and can be arranged vertically. It can also intersect the axis of symmetry of the magnetic dipole 12 at any position of the electric dipole 13 (as shown in FIG. 7(b)).
  • the arbitrary position of the dipole 13 intersects with the arbitrary half-ring position of the magnetic dipole 12 (as shown in FIG. 7(c)).
  • FIG. 8 is a schematic structural diagram of an antenna unit provided in Embodiment 5 of the present application. As shown in FIG. 8, the magnetic dipole 12 and the electric dipole 13 use balun or differential feeding.
  • the magnetic dipole 12 and the electric dipole 13 may adopt differential feeding, and the differential feeding feeder 17
  • the layout may be provided on the reflective plate 11 as shown in FIG. 8(a).
  • the magnetic dipole 12 and the electric dipole 13 may also adopt a balun feeding method.
  • the layout of the feeder 17 can be provided on the other side of the supporting medium of the magnetic dipole 12 and the electric dipole 13.
  • an embodiment of the present application further provides an antenna unit.
  • 9 is a schematic structural diagram of an antenna unit provided in Embodiment 6 of the present application.
  • the magnetic dipole 12 is a slot antenna 18, as shown in FIG. 9, the magnetic dipole 12 is a slot antenna 18, and the slot of the slot antenna 18 is parallel to the plane formed by the electric dipole 13.
  • the magnetic dipole 12 may also adopt a slot antenna 18 structure.
  • the slot of the slot antenna 18 parallel to the plane formed by the electric dipole 13
  • the E-plane of the wide beam of the magnetic dipole 12 is parallel to the H-plane of the wide beam of the electric dipole 13.
  • an embodiment of the present application further provides an antenna unit.
  • 10 is a schematic structural diagram of an antenna unit according to Embodiment 7 of the present application.
  • the magnetic dipole is a slot antenna.
  • the electric dipole 13 is placed right above or above the slit.
  • the electric dipole 13 may be placed above the side of the slit.
  • the electric dipole 13 may be placed directly above the slit.
  • the structure of the slot antenna and the feeding method of the slot antenna may adopt the current common arrangement method of the slot antenna.
  • FIG. 11 is a schematic structural diagram of an antenna unit provided in Embodiment 8 of the present application. As shown in FIG. 11, the reflective plate 11 and/or the electric dipole 13 are provided with a super surface 19.
  • a half-loop antenna or a slot antenna is used for the magnetic dipole of the dual-polarized antenna element, and a hypersurface 19 may be provided on the reflection plate 11 and/or the electric dipole 13.
  • the super surface 19 can be added to the antenna unit to control the phase of the reflected wave, thereby reducing the height of the antenna.
  • the height of the electric dipole relative to the reflecting plate can be reduced according to the position and area of the set supersurface, thereby reducing the volume of the antenna unit.
  • the super surface 19 may be provided on the reflection plate 11.
  • the metasurface 19 may be disposed below the electric dipole 13.
  • the super surface 19 may be disposed on the reflective plate 11 or below the electric dipole 13.
  • the super surface 19 is disposed on the surface of the supporting medium of the electric dipole 13 for the super surface 19.
  • the magnetic dipole 12 and/or the electric dipole 13 are disposed on the supporting medium; the materials of the supporting medium and the reflective plate 11 may be any of the following: Printed Circuit Board (PCB), plastic, metal.
  • PCB Printed Circuit Board
  • the magnetic dipole 12 and the electric dipole 13 may be metal sheets, and the magnetic dipole 12 and the electric dipole 13 may be printed on respective PCBs.
  • the antenna unit in the above embodiments of the present application has a simple structure and can be processed using standard PCB printing technology. The processing difficulty and processing cost are low, and it is easy to realize productization.
  • the magnetic dipole 12 and the electric dipole 13 may be metal sheets, and the magnetic dipole 12 and the electric dipole 13 may be electroplated on the respective plastic supporting medium.
  • the supporting medium is the magnetic dipole 12 and the electric dipole 13 themselves.
  • An embodiment of the present application also provides a phased array antenna.
  • 12 is a schematic structural diagram of a phased array antenna provided by an embodiment of the present application. As shown in FIG. 12, the phased array antenna includes at least two antenna units;
  • the antenna elements are distributed in an array.
  • FIG. 12 shows a phased array antenna containing 14 ⁇ 8 antenna elements.
  • Each antenna unit adopts the antenna unit in any of the above embodiments.
  • each antenna element in the phased array antenna may be an antenna element with an identical structure.
  • the phased array antenna may also use antenna elements with multiple structures. For example, antenna elements with different structures may be selected according to different positions of the antenna elements in the phased array antenna.
  • FIG. 13 is an array scanning pattern of a phased array antenna provided by an embodiment of the present application.
  • the antenna unit provided in the above embodiment, when the scanning angle of the phased array antenna is increased, the gain decreases slowly, and when the gain is relatively reduced by 3 dB, the scanning direction can reach ⁇ 60°.
  • the unit has good beam consistency, which is conducive to the formation of high gain, deep zero array pattern.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical, or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • the above are only specific implementations of the present application. Those skilled in the art can think of changes or replacements based on the specific implementations provided by this application, which should be covered within the scope of protection of this application.
  • the above embodiments can be implemented in whole or in part by software, hardware, firmware, or any other combination.
  • the above-described embodiments may be fully or partially implemented in the form of computer program products.
  • the computer program product includes one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded or executed on a computer, the processes or functions according to the embodiments of the present application are generated in whole or in part.
  • the computer may be a general-purpose computer, a dedicated computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be from a website site, computer, server or data center Transmission to another website, computer, server or data center via wired (eg coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (eg infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or data center that contains one or more collections of available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium.
  • the semiconductor medium may be a solid state drive (SSD).

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Abstract

La présente invention concerne une unité d'antenne et une antenne de réseau équiphase. L'unité d'antenne comprend : un réflecteur, un dipôle magnétique, et un dipôle électrique. Le dipôle magnétique et le dipôle électrique sont disposés sur le réflecteur; une direction de courant magnétique équivalent du dipôle magnétique est parallèle à une direction de courant du dipôle électrique. Selon l'unité d'antenne selon le présent mode de réalisation, en configurant la direction de courant magnétique équivalent du dipôle magnétique pour qu'elle soit parallèle à la direction de courant du dipôle électrique, de larges surfaces de faisceau du dipôle magnétique et du dipôle électrique sont situées sur la même direction, et ainsi une antenne de réseau équiphase à double polarisation à balayage à grand angle est obtenue. L'unité d'antenne à large faisceau à double polarisation selon le présent mode de réalisation a une structure simple et de faibles coûts.
PCT/CN2018/123490 2018-12-25 2018-12-25 Unité d'antenne et antenne de réseau équiphase WO2020132865A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/CN2018/123490 WO2020132865A1 (fr) 2018-12-25 2018-12-25 Unité d'antenne et antenne de réseau équiphase

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Application Number Priority Date Filing Date Title
PCT/CN2018/123490 WO2020132865A1 (fr) 2018-12-25 2018-12-25 Unité d'antenne et antenne de réseau équiphase

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WO2020132865A1 true WO2020132865A1 (fr) 2020-07-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112164870A (zh) * 2020-09-27 2021-01-01 重庆大学 一种边射惠更斯源二元天线阵列

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN105071052A (zh) * 2015-08-19 2015-11-18 南京邮电大学 一种平面互补振子圆极化天线
WO2016134107A1 (fr) * 2015-02-19 2016-08-25 Arizona Board Of Regents On Behalf Of Arizona State University Lignes de transmission magnétique virtuelle pour un transfert de communication et de puissance dans des milieux conducteurs
CN206639920U (zh) * 2017-04-01 2017-11-14 人天通信设备股份有限公司 电磁偶极子天线
CN108649349A (zh) * 2018-05-10 2018-10-12 北京邮电大学 一种宽波束磁电偶极子天线阵
CN108736137A (zh) * 2017-04-20 2018-11-02 惠州硕贝德无线科技股份有限公司 一种应用于5g移动终端的天线阵列装置
CN109066073A (zh) * 2018-07-18 2018-12-21 华南理工大学 一种平面端射方向图可重构天线

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016134107A1 (fr) * 2015-02-19 2016-08-25 Arizona Board Of Regents On Behalf Of Arizona State University Lignes de transmission magnétique virtuelle pour un transfert de communication et de puissance dans des milieux conducteurs
CN105071052A (zh) * 2015-08-19 2015-11-18 南京邮电大学 一种平面互补振子圆极化天线
CN206639920U (zh) * 2017-04-01 2017-11-14 人天通信设备股份有限公司 电磁偶极子天线
CN108736137A (zh) * 2017-04-20 2018-11-02 惠州硕贝德无线科技股份有限公司 一种应用于5g移动终端的天线阵列装置
CN108649349A (zh) * 2018-05-10 2018-10-12 北京邮电大学 一种宽波束磁电偶极子天线阵
CN109066073A (zh) * 2018-07-18 2018-12-21 华南理工大学 一种平面端射方向图可重构天线

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112164870A (zh) * 2020-09-27 2021-01-01 重庆大学 一种边射惠更斯源二元天线阵列

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