WO2013097739A1 - Dispositif de polarisation pour système extérieur de transmission par micro-ondes - Google Patents

Dispositif de polarisation pour système extérieur de transmission par micro-ondes Download PDF

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Publication number
WO2013097739A1
WO2013097739A1 PCT/CN2012/087617 CN2012087617W WO2013097739A1 WO 2013097739 A1 WO2013097739 A1 WO 2013097739A1 CN 2012087617 W CN2012087617 W CN 2012087617W WO 2013097739 A1 WO2013097739 A1 WO 2013097739A1
Authority
WO
WIPO (PCT)
Prior art keywords
polarization
waveguide
component
polarizing member
polarization component
Prior art date
Application number
PCT/CN2012/087617
Other languages
English (en)
Chinese (zh)
Inventor
赵青
侯晓松
葛鹏消
田涛
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
Priority claimed from CN2011205601887U external-priority patent/CN202384502U/zh
Priority claimed from CN201110448741.2A external-priority patent/CN102496785B/zh
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP12861752.9A priority Critical patent/EP2782191B1/fr
Publication of WO2013097739A1 publication Critical patent/WO2013097739A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/24—Polarising devices; Polarisation filters 
    • H01Q15/242—Polarisation converters
    • H01Q15/246—Polarisation converters rotating the plane of polarisation of a linear polarised wave
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/165—Auxiliary devices for rotating the plane of polarisation

Definitions

  • Embodiments of the present invention relate to the field of microwave communications and, more particularly, to a polarization apparatus for a microwave outdoor transmission system. Background technique
  • the microwave outdoor transmission system transmits signals in both vertical polarization and horizontal polarization. For this reason, the polarization mode of outdoor active devices of the microwave outdoor transmission system needs to be compatible with both horizontal polarization and vertical polarization.
  • a polarization scheme that supports two polarization modes is implemented using two polarization components, one polarization component supporting horizontal polarization and the other polarization component supporting vertical polarization by replacing the two components To achieve switching between the two polarization modes.
  • the input end of the polarizing element is the horizontal polarization direction
  • the electric field direction of the output end is horizontal polarization or vertical polarization.
  • another polarization scheme that supports two polarization modes is implemented using a special dedicated polarization component.
  • the electric field at the input of the polarized component is 45 degrees, and the direction of the electric field at the output is horizontal or vertical.
  • Embodiments of the present invention provide a polarization device for a microwave outdoor transmission system.
  • a polarization device for a microwave outdoor transmission system including an antenna and an outdoor active device, the polarization device comprising:
  • a first polarization component detachably fastened to the outdoor active device such that a waveguide of the first polarization component is in a direction consistent with a waveguide of the outdoor active device; a second polarizing member detachably fastened to the first polarizing member to allow adjustment by rotation of the second polarizing member relative to the first polarizing member An angle between the waveguide of the second polarization component and the waveguide of the first polarization component.
  • a microwave outdoor transmission unit including the polarization device of the embodiment of the present invention.
  • a communication system comprising a microwave outdoor transmission unit in accordance with an embodiment of the present invention.
  • the embodiment of the present invention can realize convenient and rapid switching between horizontal polarization and vertical polarization with a simple structure, and the polarization device can be compatible with the existing antenna, thereby saving the cost of replacing the existing antenna.
  • FIG. 1 is an assembled view of a polarization device in accordance with an embodiment of the present invention
  • FIG. 2 is a perspective view of a first polarization component of a polarization device in accordance with an embodiment of the present invention
  • FIG. 3 is a perspective view of a second polarization component of a polarization device in accordance with an embodiment of the present invention
  • FIG. 5 is a diagram showing the relative relationship of waveguides of various components when vertical polarization is implemented according to an embodiment of the present invention. Intention
  • Figure 6 is a perspective view of a first polarization component of a polarization device in accordance with a preferred embodiment of the present invention
  • Figure 7 is a perspective view of a second polarization component of a polarization device in accordance with a preferred embodiment of the present invention
  • the microwave outdoor transmission system includes an antenna (not shown) and an outdoor active device.
  • Outdoor active devices are typically microwave outdoor modules that include power, IF, RF (including microwave band) active transceiver links, duplexers, and associated structural components.
  • the waveguides of the outdoor active device 100 of the microwave outdoor transmission system are at an angle of 45 degrees to the waveguide of the antenna.
  • the polarization device 10 mainly includes a first polarization component 200 and a second polarization component 300.
  • the first polarizing member 200 is detachably fastened to the outdoor active device 100 of the microwave outdoor transmission system such that the waveguide of the first polarizing member 200 coincides with the waveguide holding direction of the outdoor active device 100.
  • the second polarization member 300 is detachably fastened to the first polarization member 200 to allow the waveguide of the first polarization member 200 to be adjusted by the rotation of the second polarization member 300 relative to the first polarization member 200 The angle between the waveguides of the polarized component 300.
  • the polarisation device 10 is specifically described below.
  • the waveguides on the antenna and the outdoor active device can generally be arranged as rectangular waveguides to facilitate the transmission of radio waves.
  • the waveguides on the first polarization component 200 and the second polarization component 300 of the polarization device 10 according to embodiments of the present invention are also preferably arranged as rectangular waveguide ports, the shape and size of which are on the antenna and on the outdoor active device 100.
  • the waveguide corresponds.
  • FIG. 2 shows a perspective view of a first polarization component 200 in accordance with an embodiment of the present invention. Shown in FIG. 2 is a preferred embodiment of the first polarization component 200.
  • the first polarizing member 200 is substantially a cylindrical tube 210 having a closed end 220 and an open end 230. Therefore, the first polarization member 200 is substantially cup-shaped.
  • the waveguide 240 of the first polarization component 200 is disposed at the closed end 220 of the cylindrical tube 210 The center of the cup is placed at the center of the bottom of the cup.
  • the waveguide 240 may be provided as a rectangular waveguide having a shape corresponding to a waveguide on the outdoor active device 100.
  • the closed end 220 of the cylindrical tube 210 has a flange portion 250 through which a first polarization member 200 is fastened by fastener holes (not shown) on the flange portion 250 using fasteners (not shown) On the outdoor active device 100.
  • fastener holes not shown
  • the fasteners that secure the first polarized component 200 to the outdoor active device may select a bolt. In this case, a corresponding threaded hole is provided in the outdoor active device to receive the fastener.
  • Figure 3 shows a perspective view of a second polarization component 300 in accordance with an embodiment of the present invention. Shown in Figure 3 is a preferred embodiment of the second polarization component 300.
  • the second polarization member 300 is substantially a columnar body 310 having a first end surface 320 and a second end surface 330 (see FIG. 7).
  • the outer diameter of the columnar body 310 substantially matches the columnar shape of the first polarization member 200 shown in FIG.
  • the inner diameter of the tube 210 is such that the columnar body 310 can be inserted into the cylindrical tube 210 to realize the assembly of the first polarization member 200 and the second polarization member 300.
  • the waveguide 340 on the second polarizing member 300 is in the form of a rectangular waveguide opening through the first end face 320 and the second end face 330 of the columnar body 310.
  • the waveguide 340 has a shape and a size corresponding to the waveguide 240 on the first polarization member 200.
  • the polarization component 200 rotates the second polarization component 300 to adjust the angle between the waveguide 340 of the second polarization component 300 and the waveguide 240 of the first polarization component 200 to achieve horizontal polarization and vertical polarization at the antenna.
  • the angle between the waveguide and the waveguide referred to herein refers to the angle between the longitudinal axes of the rectangles of the respective waveguides, which are the same below.
  • the second polarization member 300 is disposed around the columnar body 310.
  • the through fastener holes 350 are fastened to the first polarizing member 200 by fasteners.
  • fastener holes 350 on the columnar body 310 there may be a plurality of fastener holes 350 on the columnar body 310, preferably uniformly surrounding the columnar shape.
  • the fastener that fastens the second polarizing member 300 to the first polarizing member 200 can select a bolt.
  • the closed end 220 of the fastener 200 defines a corresponding threaded hole 290. (See Figure 2) to receive the fasteners.
  • 4 is a horizontal pole implemented on the antenna by using the first polarization component 200 and the second polarization component 300.
  • the relative positional relationship of the waveguide ports of each component For the sake of clarity, the figure is simplified, showing only the waveguides of the various components.
  • 4 shows a top view in which the waveguides are stacked together when the antenna, the outdoor active device, the first polarization component 200, and the second polarization component 300 are mounted together, wherein the two-dot chain line indicates the horizontal pole
  • the waveguide of the antenna, the one-dot chain line indicates the waveguide of the outdoor active device 100 and the waveguide 240 of the first polarization component 200, and the solid line indicates the waveguide 340 of the second polarization component 300.
  • the waveguide of the antenna is located at 0 degrees, and the waveguide 240 of the first polarization component 200 and the waveguide of the outdoor active device are located at 45 degrees. That is, the angle between the waveguide and the antenna is 45 degrees.
  • the waveguide 340 of the second polarization member 300 is located at an angle of 22.5 degrees, that is, an angle of 22.5 degrees with the waveguide 240 of the first polarization member 200. In such a configuration, horizontal polarization of the antenna is achieved.
  • Fig. 5 is a view showing the relative positional relationship of the waveguide ports of the respective members when the vertical poles are realized on the antenna by the first polarization member 200 and the second polarization member 300. Also, for the sake of clarity, the drawings are simplified, and only the waveguide ports of the respective components are shown.
  • FIG. 5 shows a top view in which the waveguides are stacked together when the antenna, the outdoor active device, the first polarization component 200, and the second polarization component 300 are mounted together, wherein the two-dot chain line indicates the vertical pole
  • the waveguide of the antenna, the one-dot chain line indicates the waveguide of the outdoor active device 100 and the waveguide 240 of the first polarization component 200, and the solid line indicates the waveguide 340 of the second polarization component 300.
  • FIG. 5 it is considered that when the horizontal polarization is performed, the orientation of the waveguide of the antenna is 90 degrees, and the orientation of the waveguide 240 of the first polarization member 200 and the waveguide of the outdoor active device 100 is 45 degrees.
  • the angle between both the waveguide 240 of the first polarization component 200 and the waveguide of the outdoor active device 100 and the waveguide of the antenna is 45 degrees.
  • the waveguide 340 of the second polarization member 300 is located at 67.5 degrees, that is, at an angle of 22.5 degrees with the waveguide 240 of the first polarization member 200. Vertical polarization of the antenna is achieved in such a configuration.
  • the waveguide 240 of the first polarization component 200 is always mounted at an angle of 45 degrees, while the waveguide 340 of the second component 300 is at an angle of 22.5 degrees to the waveguide 240 of the first polarization component 200. , but the direction is different. If, in FIG. 4, the waveguide 340 of the second component 300 and the waveguide 240 of the first polarization component 200 are at an angle of -22.5 degrees, it can be considered that in FIG. 5, the waveguide 340 of the second component 300 and the first pole The angle of the waveguide 240 of the component 200 is 22.5 degrees. Therefore, by adjusting the angle of rotation of the second polarization member 300 with respect to the first polarization member 200, flexible switching between the horizontal polarization and the vertical polarization of the antenna can be achieved.
  • the invention is not limited to switching between horizontal and vertical polarization of the antenna. Skill It will be understood by those skilled in the art that the arbitrary polarization angle of the antenna can also be achieved by the relative rotation between the second polarization component 300 and the first polarization component 200.
  • Figure 6 is a preferred configuration of a first polarization component 200 in accordance with an embodiment of the present invention.
  • the inner side of the closed end 220 of the cylindrical tube 210 of the first polarization member 200 includes an arcuate groove 260 extending in the circumferential direction of the columnar tube 210 with a span of 45 degrees.
  • the curved recess 260 has a first end 262 and a second end 264 for mating with corresponding projections (described below) on the second polarizing member 300 to effect horizontal and vertical polarization of the antenna.
  • Figure 7 is a preferred configuration of a second polarization component 300 in accordance with an embodiment of the present invention.
  • the second end face 330 of the columnar body 310 of the second polarizing member 300 includes a projection 340 provided at the peripheral edge.
  • the projection 340 fits in the arcuate recess 360.
  • the position of the arcuate recess 260 on the closed end 220 can be selected, and/or the position of the projection 340 on the second end face 330 can be selected such that the projection 340 is located at the first of the curved recess 260.
  • horizontal polarization of the antenna is achieved, and when the protrusion 340 is at the second end 264 of the curved recess 260, vertical polarization of the antenna is achieved.
  • An arcuate groove 260 is disposed on the first polarizing member 200, and a protrusion 340 is formed on the second polarizing member 300 to cooperate with the arcuate groove 260, so that the second polarizing member 300 is adjusted relative to the first pole.
  • the rotation of the component 200 can be accurately positioned, and the cooperation of the protrusions and the arcuate grooves can provide a foolproof function to prevent misalignment of the second polarization component 300 relative to the first polarization component.
  • the fastener hole 350 for fastening to the first polarization member 200 on the second polarization member 300 shown in FIG. 7 may be provided as an arcuate hole, the arc, according to an embodiment of the present invention.
  • the span of the shaped aperture corresponds to the span of the curved recess 260.
  • the span of the curved groove 260 is not limited to 45 degrees. Depending on the specific application requirements, larger or smaller spans can be chosen to achieve polarization at different angles. According to a preferred embodiment, the arcuate recess 260 has a span of at least 45 degrees. Tight on the second polarizing member 300 In embodiments where the firmware apertures 350 are arcuate apertures, the span of the arcuate apertures is correspondingly at least 45 degrees.
  • annular groove 270 is disposed in communication with the cylindrical tube 210 around the waveguide 240 on the inner side of the closed end 220 of the first polarization member 200 shown in FIG.
  • a seal ring 280 (shown in FIG. 8) may be provided in the annular groove 270 such that the second polarizing member 300 is waterproofed by the seal ring 280 when mated with the first polarizing member 200. Sealing effect. Sealing ring 280 is available in silicone rubber to provide a watertight seal while maintaining electrical transmission.
  • the first polarization member 200 and the second polarization member 300 may be made of an aluminum alloy material.
  • a metal such as gold or silver may be plated on the waveguide 240 of the first polarization member 200 and the waveguide 340 of the second polarization member 300.
  • the embodiment of the invention can realize convenient and rapid switching between horizontal polarization and vertical polarization by using a simple structure, and the polarization device can be compatible with the existing antenna system, thereby realizing transformation of the existing antenna, thereby saving The cost of replacing an existing antenna.
  • a microwave outdoor transmission unit is proposed, and the microwave outdoor transmission unit may include the above-described polarization device 10 for realizing microwave horizontal polarization and/or vertical polarization.
  • a communication system including the microwave outdoor transmission unit described above, wherein the microwave outdoor transmission unit utilizes a planning device 10 included therein to implement microwave horizontal polarization and/or Or vertical polarization.

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  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

Selon des modes de réalisation, la présente invention concerne un dispositif de polarisation pour un système extérieur de transmission par micro-ondes. La présente invention concerne également un dispositif de polarisation pour le système extérieur de transmission par micro-ondes. Ledit système comporte une antenne et un dispositif actif, extérieur. Le dispositif de polarisation comprend un premier composant de polarisation qui est fixé de manière détachable sur le dispositif actif, extérieur, de telle sorte que la direction d'un guide d'onde du premier composant de polarisation est cohérente avec celle d'un guide d'onde du dispositif actif, extérieur, et un second composant de polarisation qui est fixé de manière détachable sur le premier composant de polarisation de manière à permettre le réglage d'un angle inclus entre un guide d'onde du second composant de polarisation et le guide d'onde du premier composant de polarisation à travers la rotation du second composant de polarisation par rapport au premier composant de polarisation. Les modes de réalisation de la présente invention permettent d'obtenir la commutation facile et rapide entre une polarisation horizontale et une polarisation verticale à l'aide d'une structure simple. De plus, le dispositif de polarisation peut être compatible avec le système d'antenne existant pour reformer l'antenne existante, économisant ainsi les coûts de remplacement de l'antenne existante.
PCT/CN2012/087617 2011-12-28 2012-12-27 Dispositif de polarisation pour système extérieur de transmission par micro-ondes WO2013097739A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12861752.9A EP2782191B1 (fr) 2011-12-28 2012-12-27 Dispositif de polarisation pour système extérieur de transmission par micro-ondes

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201120560188.7 2011-12-28
CN2011205601887U CN202384502U (zh) 2011-12-28 2011-12-28 用于微波室外传输系统的极化设备
CN201110448741.2A CN102496785B (zh) 2011-12-28 2011-12-28 用于微波室外传输系统的极化设备
CN201110448741.2 2011-12-28

Publications (1)

Publication Number Publication Date
WO2013097739A1 true WO2013097739A1 (fr) 2013-07-04

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Application Number Title Priority Date Filing Date
PCT/CN2012/087617 WO2013097739A1 (fr) 2011-12-28 2012-12-27 Dispositif de polarisation pour système extérieur de transmission par micro-ondes

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EP (1) EP2782191B1 (fr)
WO (1) WO2013097739A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260961A (en) * 1978-01-04 1981-04-07 Licentia Patent-Verwaltungs-G.M.B.H. Compensator for two angularly offset joined wave guides
CN1484340A (zh) * 2002-08-15 2004-03-24 ���ߵ���Ƶϵͳ��˾ 极化旋转器
US7053849B1 (en) * 2004-11-26 2006-05-30 Andrew Corporation Switchable polarizer
CN102496785A (zh) * 2011-12-28 2012-06-13 华为技术有限公司 用于微波室外传输系统的极化设备
CN202384502U (zh) * 2011-12-28 2012-08-15 华为技术有限公司 用于微波室外传输系统的极化设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800266C2 (de) * 1978-01-04 1986-02-13 ANT Nachrichtentechnik GmbH, 7150 Backnang Kompensations-Anordnung für zwei miteinander axial fluchtende und einander stoßende Rechteck-Hohlleiter gleichen Querschnitts
DE3537354A1 (de) * 1985-10-19 1987-04-23 Licentia Gmbh Anordnung zur drehung der polarisationsebene elektromagnetischer wellen
DE3632545A1 (de) * 1986-09-25 1988-03-31 Licentia Gmbh Polarisationsdrehglied fuer hohlleiter
JP3884725B2 (ja) * 2003-06-03 2007-02-21 三菱電機株式会社 導波管装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260961A (en) * 1978-01-04 1981-04-07 Licentia Patent-Verwaltungs-G.M.B.H. Compensator for two angularly offset joined wave guides
CN1484340A (zh) * 2002-08-15 2004-03-24 ���ߵ���Ƶϵͳ��˾ 极化旋转器
US7053849B1 (en) * 2004-11-26 2006-05-30 Andrew Corporation Switchable polarizer
CN102496785A (zh) * 2011-12-28 2012-06-13 华为技术有限公司 用于微波室外传输系统的极化设备
CN202384502U (zh) * 2011-12-28 2012-08-15 华为技术有限公司 用于微波室外传输系统的极化设备

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Publication number Publication date
EP2782191A4 (fr) 2014-11-26
EP2782191B1 (fr) 2018-05-30
EP2782191A1 (fr) 2014-09-24

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