WO2011157172A2 - Antenne omni-directionnelle - Google Patents

Antenne omni-directionnelle Download PDF

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Publication number
WO2011157172A2
WO2011157172A2 PCT/CN2011/075290 CN2011075290W WO2011157172A2 WO 2011157172 A2 WO2011157172 A2 WO 2011157172A2 CN 2011075290 W CN2011075290 W CN 2011075290W WO 2011157172 A2 WO2011157172 A2 WO 2011157172A2
Authority
WO
WIPO (PCT)
Prior art keywords
metal
plates
metal plates
reflector
omnidirectional antenna
Prior art date
Application number
PCT/CN2011/075290
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English (en)
Chinese (zh)
Other versions
WO2011157172A3 (fr
Inventor
艾鸣
李建平
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/CN2011/075290 priority Critical patent/WO2011157172A2/fr
Priority to CN2011800009299A priority patent/CN102918711A/zh
Publication of WO2011157172A2 publication Critical patent/WO2011157172A2/fr
Publication of WO2011157172A3 publication Critical patent/WO2011157172A3/fr

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Classifications

    • 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
    • H01Q13/22—Longitudinal slot in boundary wall of waveguide or transmission line

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to an omnidirectional antenna. Background technique
  • omnidirectional antennas are widely used in the field of mobile communication technologies, for example: as a base station antenna in a personal handy-phone system (PHS).
  • PHS personal handy-phone system
  • FIG. 1 is a cross-sectional view of a conventional omnidirectional antenna in a plan view when placed vertically.
  • the omnidirectional antenna is composed of three electric dipoles A for radiating electromagnetic waves.
  • the omnidirectional antenna feed is complicated, and when placed in an operating state, the electromagnetic waves radiated in all directions of the horizontal plane are not uniform, that is, the out-of-roundness index in the antenna radiation performance index is low.
  • the omnidirectional antenna is a rectangular closed waveguide cavity.
  • the cavity surface has a slit B, and electromagnetic waves are radiated through the slot B.
  • the electromagnetic wave radiated by the omnidirectional antenna in all directions of the horizontal plane is uneven, that is, the antenna has a low roundness index.
  • the embodiment of the invention provides an omnidirectional antenna to solve the problem that the existing omnidirectional antenna has low roundness index.
  • An embodiment of the present invention provides an omnidirectional antenna, including: at least two metal plates, at least one metal reflector, a feed line, and a plurality of first blocking devices, each of the metal plates being provided with at least one slit;
  • the at least one metal reflector is located in a surrounding or semi-enclosed cavity formed by the at least two metal plates, at least one of the metal plates is parallel to one of the metal reflectors, and the first sealing device is used to Parallel metal plates and metal reflectors are closed at the edges in the width direction, and the phases are
  • the mutually parallel metal plates are electrically connected to the metal reflector, and the feed lines are disposed between the mutually parallel metal plates and the metal reflectors;
  • a metal reflector is used to reflect electromagnetic waves generated by the feeder line to a metal plate, and a gap on the metal plate is used to radiate the feeder line to the metal plate. Electromagnetic waves and electromagnetic waves reflected from the metal reflector onto the metal plate are radiated to cause the slits on the at least two metal plates to form omnidirectional electromagnetic wave radiation in the horizontal direction.
  • the omnidirectional antenna provided by the embodiment of the present invention radiates electromagnetic waves generated by the feeding lines between the mutually parallel metal plates and the metal reflecting plates from the gaps in the metal plate through the metal reflecting plate between the at least two metal plates.
  • the gaps on at least two metal plates form omnidirectional electromagnetic wave radiation in a horizontal direction.
  • the electromagnetic wave excitation mode of the omnidirectional antenna is relatively uniform in electromagnetic waves radiated from all directions in the horizontal plane, thereby improving the out-of-roundness index of the antenna, thereby improving the antenna. Radiation performance.
  • FIG. 1 is a cross-sectional view of a conventional omnidirectional antenna in a plan view when placed vertically;
  • FIG. 2 is a perspective view of another conventional omnidirectional antenna
  • FIG. 3 is a schematic structural diagram of still another embodiment of an omnidirectional antenna according to the present invention.
  • Figure 4 is a cross-sectional view of the omnidirectional antenna shown in Figure 3 as viewed in a vertical direction;
  • FIG. 5 is a cross-sectional view of the omnidirectional antenna according to the present invention in a plan view when placed vertically in an embodiment
  • FIG. 6 is a cross-sectional view of the omnidirectional antenna according to another embodiment of the present invention when placed vertically in a vertical direction;
  • FIG. 7 is a cross-sectional view of the omnidirectional antenna according to another embodiment of the present invention placed in a vertical direction when placed vertically Surface map
  • Figure 8 is a cross-sectional view of the omnidirectional antenna of the present invention in a plan view as it is placed vertically. detailed description
  • the omnidirectional antenna comprises: at least two metal plates, at least one metal reflector, a feed line and a plurality of first blocking devices, each of the metal plates being provided with at least a gap;
  • the at least one metal reflector is located in a surrounding or semi-enclosed cavity formed by the at least two metal plates, at least one of the metal plates is parallel to one of the metal reflectors, and the first sealing device is used to
  • the parallel metal plates and the metal reflectors are closed at the edges in the width direction, and the mutually parallel metal plates are electrically connected to the metal reflectors, and the feed lines are disposed between the mutually parallel metal plates and the metal reflectors;
  • a metal reflector is used to reflect electromagnetic waves generated by the feeder line to a metal plate, and a gap on the metal plate is used to radiate the feeder line to the metal plate. Electromagnetic waves and electromagnetic waves reflected from the metal reflector onto the metal plate are radiated to cause the slits on the at least two metal plates to form omnidirectional electromagnetic wave radiation in the horizontal direction.
  • the omnidirectional antenna provided by the embodiment of the present invention may be disposed on a transmitting device such as a base station.
  • the metal plate and the metal reflector of the present invention are both flat plate structures, and the shape of the metal plate is not particularly limited, and is preferably set to a rectangular shape.
  • the metal plate or the metal reflector can be made of a metal material, and can be made of a non-metal material carrying metal layer, for example: a printed circuit board (PCB) surface made of copper, or made of plastic, etc.
  • PCB printed circuit board
  • Non-metallic material surface plating metal Made of, each metal plate is provided with at least one slit by a slitting (grooving) process.
  • the metal plate is a PCB board
  • copper foil may be coated on the surface of the PCB facing away from the metal reflector, and feeding may be provided on the surface of the PCB facing the metal reflector. line.
  • a non-conductive support frame may be disposed between the mutually parallel metal plates and the metal reflector, that is, the support frame is made of a non-conductive material, such as plastic, etc., through which the feeder circuit is fixed to the metal plate and / or metal reflector.
  • the first sealing device is made of a conductive material, specifically a metal, a PCB board or other conductive material.
  • the shape of the first sealing device is not specifically limited, and a flat plate structure is preferably used.
  • the first sealing device may be integrally formed with the metal plates and the metal reflecting plates which are parallel to each other; or, after the first sealing device, the metal plate and the metal reflecting plate are separately formed, they may be joined by a welding process or the like.
  • the first closing means and the mutually parallel metal plates and metal reflecting plates form a closed conductor in the width direction of the metal plate.
  • the feeding line is disposed between the mutually parallel metal plates and the metal reflecting plate, and the feeding line is connected to the power grid, and the feeding line generates electromagnetic waves when energized, because the first closing device and the mutually parallel metal plate and the metal reflecting plate are in the width
  • a closed conductor is formed in the direction, and the closed conductor encloses electromagnetic waves generated by the feeder line.
  • the metal reflector acts as a specular reflection, and the metal reflector can reflect the electromagnetic waves generated by the feeder line onto the metal plate and reflect on the metal plate due to the metal.
  • the plate is provided with a slit which is capable of radiating electromagnetic waves generated by the feeding line to the portion of the metal plate and electromagnetic waves reflected by the metal reflecting plate to the metal plate.
  • the electromagnetic wave excitation method in which the electromagnetic wave is radiated from the slit provided on the metal plate parallel thereto by the action of the metal reflecting plate, the electromagnetic wave radiated in each direction is relatively uniform, and the roundness index of the antenna is high.
  • the omnidirectional antenna provided by the embodiment of the present invention, if two metal plates are provided, two metal plates are required to be arranged in parallel (the parallelism involved in the present invention may be absolute parallel or approximately parallel). That is, a small angle is allowed between two parallel metal plates involved in the present invention, and a small angle is allowed between the mutually parallel metal plates and the metal reflector.
  • the metal reflector is disposed in a semi-enclosed cavity formed by two parallel metal plates, the metal reflectors being respectively parallel to the two metal plates.
  • the electromagnetic wave radiated by the slit on one of the metal plates can be radiated within a range of 180 degrees toward one side of the metal plate, and the electromagnetic wave radiated by the slit on the other metal plate can be directed to the opposite side. Radiation within a range of 180 degrees on one side, therefore, enables omnidirectional electromagnetic wave radiation in the horizontal direction, that is, radiation in the range of 360 degrees in the horizontal direction.
  • the omnidirectional antenna provided by the embodiment of the present invention can be realized in the electromagnetic wave excitation mode in which the electromagnetic wave is radiated from the gap provided on the metal plate parallel to the metal reflector.
  • the electromagnetic wave is uniformly radiated within a range of 360 degrees in the horizontal direction, and the out-of-roundness index of the omnidirectional antenna is improved.
  • any pair of mutually parallel metal plates and metal reflectors since the metal reflector mainly reflects electromagnetic waves generated by the feeder line to the metal plate, electromagnetic waves generated by the feeder line are from the length of the metal plate.
  • the portion from which the upper edge is radiated is negligible, and therefore, the edge of the metal plate in the longitudinal direction and the edge of the metal reflector in the longitudinal direction do not have to be closed.
  • a plurality of second sealing means can also be provided, and the edges of the mutually parallel metal plates and the metal reflectors in the longitudinal direction are closed by the second closing means, and the mutually parallel metal plates and metals are reflected.
  • the plates are electrically connected, so that for any pair of mutually parallel metal plates and metal reflectors, a closed conductor can be formed in both the length direction and the width direction, so that the electromagnetic waves generated by the feeder line can be more effectively enclosed in mutually parallel metals.
  • the enclosed space formed by the plate and the metal reflector is not limited to the plate and the metal reflector.
  • the omnidirectional antenna provided by the embodiment of the present invention may be provided with two metal plates, which may be arranged in parallel and have a certain distance between the two metal plates.
  • the two metal plates may be disposed between each other.
  • a metal reflector which is parallel to the two metal plates.
  • the two metal plates may also be arranged in parallel, in which case two metal reflectors may be provided, each of which is parallel to one metal plate.
  • the number of metal plates is greater than 2, for example, when the number of metal plates is 3, for any pair of mutually parallel metal plates and metal reflectors, the metal reflector can reflect electromagnetic waves generated by the feeder lines to the metal.
  • the slit provided in the metal plate can radiate electromagnetic waves radiated from the feeding line to the metal plate and electromagnetic waves reflected from the metal reflecting plate to the metal plate.
  • the electromagnetic waves radiated by the slits of the three metal plates can form the omnidirectional electromagnetic wave radiation in the horizontal direction, that is, the uniform radiation within 360 degrees in the horizontal direction. Electromagnetic waves. The case where the number of metal plates is greater than 3 is not listed.
  • the number, width and length of the slits provided on the metal plate can be specifically set according to the length of the metal plate and the power of electromagnetic waves generated by the feeder line.
  • the direction in which the slits are disposed is not specifically limited, but may be generally arranged along the length of the metal plate. Preferably, it may be disposed on the central axis of the width direction of the metal plate, which is more conducive to improving the out-of-roundness index of the antenna.
  • a slit on a metal plate is the smallest unit that radiates electromagnetic waves
  • a pair of mutually parallel metal plates and metal reflectors, and a slit provided on the metal plate constitute a basic horizontally polarized radiating element. If a plurality of slits are provided on the metal plate, a pair of mutually parallel metal plates and metal reflectors, and a plurality of slits provided on the metal plate are arranged in a direction of extension of the length of the metal plate to form a horizontally polarized radiation array.
  • a plurality of horizontally polarized radiation arrays form a horizontally polarized omnidirectional antenna in a plane orthogonal to the array direction (so-called horizontal polarization means that the direction of the electric field vector is parallel to the ground when the slit extends in a direction perpendicular to the ground).
  • the metal plate is usually placed vertically (ie, placed perpendicular to the ground), and the size of the metal reflector can be substantially the same as the size of the metal plate to ensure that the feeding line can be generated.
  • the electromagnetic waves radiate from all the gaps provided on the metal plate.
  • the omnidirectional antenna provided in this embodiment radiates electromagnetic waves generated by the feeding lines between the mutually parallel metal plates and the metal reflecting plates from the gaps in the metal plates through the metal reflecting plates between the at least two metal plates.
  • the gaps on at least two metal plates form omnidirectional electromagnetic wave radiation in the horizontal direction.
  • the electromagnetic wave excitation mode of the omnidirectional antenna is relatively uniform in the electromagnetic wave radiated from all directions in the horizontal plane, thereby improving the out-of-roundness index of the antenna, thereby improving the radiation of the antenna. performance.
  • 3 is a schematic structural view of still another embodiment of an omnidirectional antenna according to the present invention
  • FIG. 4 is a cross-sectional view of the omnidirectional antenna shown in FIG. 3 when viewed vertically, as shown in FIG. 3 and FIG.
  • the polarized omnidirectional antenna comprises: two metal plates 1 and a metal reflector 2, two metal plates 1 are arranged in parallel, and the metal reflector 2 is located between the two metal plates 1 and is respectively parallel with the two metal plates 1
  • a feed line (not shown) is disposed between the mutually parallel metal plate 1 and the metal reflector 2, and the first closing device 3 closes the edges of the metal plate 1 and the metal reflector 2 which are parallel to each other in the width direction.
  • the first closing device 3 adopts a flat plate structure).
  • the metal plate 1 is a PCB board, for the mutually parallel PCB board and the metal reflector 2, copper foil may be coated on the surface of the PCB board facing away from the metal reflector 2, and the surface of the PCB board facing the metal reflector 2 may be provided with a feed. Electric line.
  • a non-conductive support frame (not shown) may be disposed between the mutually parallel metal plate 1 and the metal reflector 2, and the support frame is made of a non-conductive material and may be made of plastic or the like.
  • a feeder circuit between the mutually parallel metal plate 1 and the metal reflection plate 2 is fixed to the metal plate 1 and/or the metal reflection plate 2.
  • FIG. 3 and 4 show that the width of the metal plate 1 and the metal reflector 2 are equal, and the distance between the metal reflector 2 and the two metal plates 1 is equal. In this case, the metal plate 1 and the metal are reflected. If the width of the plate 2 is not equal, or the distance between the metal reflector 2 and the two metal plates 1 is not equal, the index of the out-of-roundness of the antenna is higher. However, FIG. 5 shows a case where the width of the metal plate 1 and the metal reflection plate 2 are not equal but the distance between the metal reflection plate 2 and the two metal plates 1 is equal.
  • This omnidirectional antenna structure is also a feasible embodiment. In the omnidirectional antenna structure shown in Fig. 5, the out-of-roundness index of the antenna can be improved by adjusting the position of the gap on the two metal plates 1.
  • the width of the metal plate 1 is less than or equal to 1/4 wavelength, and a better non-circularity index can be obtained when the distance between the mutually parallel metal plate 1 and the metal reflection plate 2 is less than or equal to 1/8 wavelength. It can be seen that the omnidirectional antenna provided by the embodiment of the present invention has a compact structure and a small wind load.
  • At least one slit 1 1 may be disposed on each of the metal plates 1, and at least one of the slits 1 1 may be disposed along a direction in which the length of the metal plate 1 extends, preferably on a central axis in the width direction of the metal plate 1.
  • a pair of mutually parallel metal plates 1 and metal reflectors 2, and a slit 1 1 provided on the metal plate 1 constitute a basic horizontally polarized radiating element, and FIGS. 3 to 5 are each a metal plate 1 Set a gap 1 1 on the case.
  • two or more slits 11 may be provided in one metal plate 1, and these slits 1 1 are disposed along the direction in which the length of the metal plate 1 extends, preferably on the central axis in the width direction of the metal plate 1. If the distance between two adjacent slits 11 is too close, mutual coupling between them will be large, which will interfere with the transmission of electromagnetic waves. However, if the distance between the adjacent two slits 11 is too far, it will affect the coverage of the radiated electromagnetic waves.
  • the distance between two adjacent slots 11 can be set to 0.5-1 wavelengths, so that the omnidirectional antenna has better coverage characteristics in the vertical direction (specifically, the main lobe, that is, the whole The maximum gain is achieved in the cell covered by the antenna; the side lobes, that is, the cells covered by other omnidirectional antennas, try to generate less interference).
  • the mutually parallel metal plate 1 and the metal reflector 2, and the plurality of slits 1 1 disposed on the metal plate 1 are arranged along the length of the metal plate 1 to form a horizontally polarized radiation array, and the plurality of horizontally polarized radiation arrays are A horizontally polarized omnidirectional antenna is formed in a plane orthogonal to the array direction.
  • the two metal plates 1 may be disposed in parallel and have a certain distance between the two metal plates 1.
  • the two metal plates 1 may be arranged in parallel, and a metal plate is used between the two metal plates 1.
  • a parallel metal reflector 2 reflects electromagnetic waves. Since the two metal plates 1 are arranged in parallel, for each pair of mutually parallel metal plates 1 and metal reflection plates 2, the metal reflection plate 2 can reflect the portion of the electromagnetic waves generated by the feed line radiating onto itself onto the metal plate 1, The slit 11 on the metal plate 1 is capable of radiating electromagnetic waves generated by the feed line to a portion of the metal plate 1, and electromagnetic waves reflected by the metal reflection plate 2 onto the metal plate 1 are radiated.
  • the electromagnetic wave radiated by the slit 11 provided on one of the two parallel metal plates 1 can be radiated toward the 180 degree side of the metal plate 1 side, and the other can be The electromagnetic wave radiated by the slit 11 on the metal plate 1 radiates toward 180 degrees of the opposite other side, and therefore, omnidirectional electromagnetic wave radiation in the range of 360 degrees in the horizontal direction can be realized.
  • the omnidirectional antenna provided by the present invention may include: n The metal plate 1 and the n metal reflection plates 2, the edges of the n metal plates 1 in the width direction are sequentially connected to form a prism having an n-sided cross section, and the edges of the n metal reflection plates 2 are sequentially connected in the width direction.
  • a prism body having an n-sided cross section is formed, and the prism body composed of the n metal plates 1 is disposed outside the prism body formed by the n metal reflection plates 2 (that is, the n metal reflection plates 2 are surrounded by the n metal plates 1 In the cavity, each metal plate 1 is parallel to any one of the metal reflectors 2, wherein n is greater than or equal to 3.
  • edges of the three or more metal sheets 1 in the width direction are sequentially connected to form the prisms
  • the edges of the three or more metal reflectors 2 in the width direction are sequentially connected to the prism body formed, and the metal plate 1 is surrounded by the prism body formed on the outer side of the prism body composed of the metal reflector 2.
  • the prism formed by the metal plate 1 and the prism formed by the metal reflector 2 may be integrally formed, or may be joined together by welding or the like after the respective metal plate 1 and the metal reflector 2 are separately formed.
  • first closing means 3 Due to any pair of mutually parallel metal plates 1 and metal reflectors 2, the edges in the width direction are joined by a first closing means 3 (as can be seen from Figures 6-8, the first closing means 3 is used for metal plates)
  • the prisms formed by the 1 and the corresponding edges of the prism formed by the metal reflector 2 are connected, and the adjacent metal plates 1 can share a first sealing device 3, and the first sealing device 3 can also be combined with the metal plate.
  • the prisms formed by the prisms and the prisms formed by the metal reflectors 2 are integrally formed, or they may be formed by welding and the like after being formed, respectively.
  • the horizontally polarized radiation array forms a horizontally polarized omnidirectional radiation antenna in a plane orthogonal to the direction of the array.
  • FIG. 6 shows the case where n is equal to 3, and the omnidirectional antenna shown in FIG. 6 has the same width of the three metal plates 1, and the three metal plates 1 are surrounded by a triangular prism, and the triangular prism has an equilateral triangle. Under this antenna structure, a better out-of-roundness index can be achieved.
  • Figure 7 shows the case where the widths of the three metal plates 1 are not equal.
  • This omnidirectional antenna structure is also a feasible implementation, but it is not round. The degree index is relatively lower than the structure shown in Figure 6.
  • electromagnetic waves generated by the feed line are radiated from the slit 1 1 of the metal plate 1 by the action of the three metal reflectors 2, 3
  • the electromagnetic waves radiated by the slits 1 1 on the metal plate 1 form omnidirectional electromagnetic wave radiation in the horizontal direction.
  • n is equal to 4.
  • the omnidirectional antenna structure shown in FIG. 8 and the specific arrangement of the metal plate 1 and the metal reflector 2 can be referred to the omnidirectional antenna structure with n equal to 3, and will not be described again. antenna.
  • each metal plate 1 may also be provided with at least one slit 11, and at least one slit 11 may be disposed along a direction in which the length of the metal plate 1 extends. If there are more than two slits 11 on the metal plate 1, the distance between the adjacent slits 11 can be set to 0.5-1 wavelengths, so that the omnidirectional antenna has better coverage characteristics in the vertical direction (specifically It is the main lobe, that is, the maximum gain is achieved in the cell covered by the omnidirectional antenna; the side lobes, that is, the cells covered by other omnidirectional antennas try to generate less interference).
  • the width of the metal plate 1 can be set to be less than or equal to 1/4 wavelength
  • the distance between the parallel metal plate 1 and the metal reflection plate 2 can be set to be equal to or less than 1/8 wavelength.
  • the omnidirectional antenna provided by the embodiment of the present invention radiates electromagnetic waves generated by the feeding lines between the mutually parallel metal plates and the metal reflecting plates from the gaps in the metal plate through the metal reflecting plate between the at least two metal plates.
  • at least two slits on the metal plate form a horizontal omnidirectional electromagnetic wave radiation
  • the electromagnetic wave excitation mode of the omnidirectional antenna is relatively uniform in the electromagnetic wave radiated from all directions in the horizontal plane, and can realize the omnidirectional and uniform radiation of the electromagnetic wave on the horizontal plane, and improve the radiation index performance of the antenna.
  • the omnidirectional antenna provided by the embodiment of the invention has a compact structure and a small wind load.

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Abstract

L'invention concerne une antenne omni-directionnelle. L'antenne comprend : au moins deux plaques de métal, au moins une plaque métallique réfléchissante, un circuit d'alimentation et plusieurs dispositifs formant une première enceinte; la/les plaques réfléchissantes est/sont située(s) dans la cavité fermée ou semi-fermée formée par la/les plaques métalliques et est/sont parallèle(s) à chaque plaque métallique; les plaques métalliques et les plaques métalliques réfléchissantes, qui sont parallèles les unes aux autres, sont fermées au niveau de leurs bords par les premiers dispositifs formant enceinte, dans le sens de la largeur, si bien que les plaques métalliques et les plaques métalliques réfléchissantes, qui sont parallèles les unes aux autres, sont connectées électriquement; le circuit d'alimentation se trouve parmi les plaques métalliques et les plaques métalliques réfléchissantes, qui sont parallèles les unes aux autres; et parmi les plaques métalliques et les plaques métalliques réfléchissantes, qui sont parallèles les unes aux autres, l'onde électromagnétique générée par le circuit d'alimentation est réfléchie vers la plaque métallique par la plaque métallique réfléchissante, l'onde électromagnétique rayonnée vers la plaque métallique par le circuit d'alimentation et l'onde électromagnétique réfléchie vers la plaque métallique par la plaque métallique réfléchissante sont rayonnées vers l'extérieur par des fentes dans la plaque métallique. Dans les modes de réalisation de l'invention, l'indice d'ovalisation de l'antenne est amélioré ainsi que les performances de rayonnement de l'antenne.
PCT/CN2011/075290 2011-06-03 2011-06-03 Antenne omni-directionnelle WO2011157172A2 (fr)

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PCT/CN2011/075290 WO2011157172A2 (fr) 2011-06-03 2011-06-03 Antenne omni-directionnelle
CN2011800009299A CN102918711A (zh) 2011-06-03 2011-06-03 全向天线

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PCT/CN2011/075290 WO2011157172A2 (fr) 2011-06-03 2011-06-03 Antenne omni-directionnelle

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WO2011157172A2 true WO2011157172A2 (fr) 2011-12-22
WO2011157172A3 WO2011157172A3 (fr) 2012-05-03

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JP2014053735A (ja) * 2012-09-06 2014-03-20 Sumitomo Electric Ind Ltd 水平偏波無指向性アンテナ
WO2015010761A1 (fr) 2013-07-24 2015-01-29 Kathrein-Werke Kg Antenne omnidirectionnelle à large bande
CN110323551A (zh) * 2018-03-30 2019-10-11 罗森伯格技术（昆山）有限公司 一种贴片辐射单元
EP3644440A4 (fr) * 2017-08-24 2020-07-29 Samsung Electronics Co., Ltd. Dispositif électronique comprenant une antenne
CN113346225A (zh) * 2021-06-04 2021-09-03 清华大学 一种宽带水平极化水平全向覆盖mimo天线对

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CN106532237B (zh) * 2016-11-30 2023-08-25 佛山市粤海信通讯有限公司 一种薄片型极化天线
CN106848521B (zh) * 2017-02-24 2022-05-10 通号电缆集团有限公司 一种双极化漏泄波导

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CN2727987Y (zh) * 2004-07-28 2005-09-21 西安海天天线科技股份有限公司 一种四极化阵列全向天线
CN2870202Y (zh) * 2005-12-10 2007-02-14 摩比天线技术（深圳）有限公司 一种多扇区天线
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US4247858A (en) * 1979-05-21 1981-01-27 Kurt Eichweber Antennas for use with optical and high-frequency radiation
US5717410A (en) * 1994-05-20 1998-02-10 Mitsubishi Denki Kabushiki Kaisha Omnidirectional slot antenna

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014053735A (ja) * 2012-09-06 2014-03-20 Sumitomo Electric Ind Ltd 水平偏波無指向性アンテナ
WO2015010761A1 (fr) 2013-07-24 2015-01-29 Kathrein-Werke Kg Antenne omnidirectionnelle à large bande
DE102013012308A1 (de) 2013-07-24 2015-01-29 Kathrein-Werke Kg Breitbandige omnidirektionale Antenne
US9748666B2 (en) 2013-07-24 2017-08-29 Kathrein-Werke Ag Broadband omnidirectional antenna
EP3644440A4 (fr) * 2017-08-24 2020-07-29 Samsung Electronics Co., Ltd. Dispositif électronique comprenant une antenne
US11196151B2 (en) 2017-08-24 2021-12-07 Samsung Electronics Co., Ltd. Electronic device comprising antenna
CN110323551A (zh) * 2018-03-30 2019-10-11 罗森伯格技术（昆山）有限公司 一种贴片辐射单元
CN110323551B (zh) * 2018-03-30 2023-05-26 普罗斯通信技术（苏州）有限公司 一种贴片辐射单元
CN113346225A (zh) * 2021-06-04 2021-09-03 清华大学 一种宽带水平极化水平全向覆盖mimo天线对

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