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WO1999066592A1 - Antenne a commutation d'onde polarisee a alimentation mono-point - Google Patents

Antenne a commutation d'onde polarisee a alimentation mono-point Download PDF

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Publication number
WO1999066592A1
WO1999066592A1 PCT/JP1999/003201 JP9903201W WO9966592A1 WO 1999066592 A1 WO1999066592 A1 WO 1999066592A1 JP 9903201 W JP9903201 W JP 9903201W WO 9966592 A1 WO9966592 A1 WO 9966592A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
patch antenna
perturbation
wave
switching
Prior art date
Application number
PCT/JP1999/003201
Other languages
English (en)
Japanese (ja)
Inventor
Tsunehisa Marumoto
Original Assignee
Nec Corporation
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 Nec Corporation filed Critical Nec Corporation
Priority to AU41668/99A priority Critical patent/AU4166899A/en
Publication of WO1999066592A1 publication Critical patent/WO1999066592A1/fr

Links

Classifications

    • 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
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0428—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation 

Definitions

  • the present invention relates to a single-point feeding type wave-converting antenna for circularly polarized waves used for satellite communication and the like.
  • Figure 1 (a) shows a conventional one-point feeding patch antenna that emits circularly polarized waves.
  • Fig. 1 (b) shows the conventional ten-point feeder antenna with narrow left-hand circular polarization. These patch antennas have the conductor ⁇ S
  • the main body 7 1 is formed by the perturbation elements 7 2 a and 7 2 b, respectively, and the feed line 7 4, which is the feed path to the patch antenna main body 7 1, is formed at the feed point ⁇ 5; Let's do it.
  • the perturbation elements 72 a and 72 b of these patch antennas are arranged at positions on the outer periphery of the notch antenna body 71 where circular polarization can be obtained.
  • the patch antenna body 71 has two spatially orthogonal modes (arrow ⁇ and arrow B).
  • Resonance frequency in the direction of arrow ⁇ which arranged the perturbation element 7 2 a, 7 2 b is lower compared to the arrow beta direction of the resonant frequency ⁇ ⁇ .
  • Excitation distribution with respect to the frequency of these two modes respectively oscillation frequency ⁇ ⁇ , draw the curve and the apex of the ⁇ ⁇ .
  • the excitation 5 distribution curve in the direction of arrow A is lower than the excitation distribution curve in the direction of arrow B, and is drawn in the area, and the frequency ⁇ c (f A ⁇ fc ⁇ f B ) Where both curves intersect.
  • the ratio between the area of the patch antenna body 71 and the area of the perturbation elements 72 a and 72 b is adjusted so that the relative phase between the two excitation modes at this frequency i c takes a value around 90 degrees.
  • the patch antenna body 71 emits circularly polarized waves.
  • the patch antenna body 71 can be rotated clockwise by setting the setting position of the two perturbation elements 72 a and 72 b with respect to the feed point 75 as shown in Fig.
  • a patch antenna dedicated to right-handed circular polarization or a dedicated left-handed circular polarization is used.
  • the circular-wave patch antenna is as shown in Fig. 2. This is made possible by using a two-point power supply system and connecting the switching circuit 85 to the patch antenna body 81.
  • This batch antenna ⁇ 81 of the circular wave patch antenna has ⁇ supply lines 84a and 84b connected to it, and when the supply line 84a is selected, the configuration shown in FIG. ) And the equivalent illli, and the circularly polarized batch antenna emits a right-handed 1 : 1 : wave. Also, when the feeding path 84b is selected, it is illi, compared to Fig. 1 (b), and the I-wave patch antenna ⁇ the convoluted circular wave is distorted.
  • the present invention provides a small, single-point feeding ⁇ -wave J-converting antenna that can be touched by switching between a circular wave and a left-handed one wave with one batch antenna.
  • the purpose is to:
  • a second pair of perturbation elements arranged on the outside of the patch antenna main body at a position capable of emitting left-hand polarized waves;
  • the wakinami tansan antenna of the present invention configured as above is configured such that the connection state between each perturbation element pair and the batch antenna body is determined by the question of each perturbation element pair and the patch antenna book.
  • JJ switching enables the turning direction of the circular skin to be changed even in the one-point feed type circular antenna. As a result, the area occupied by the power supply path is reduced, and the size of the circularly polarized patch antenna can be reduced.
  • the shape of the patch antenna body may be circular or polygonal.
  • the switch may be a P 1 N diode, a G a ⁇ s F E T, and a plurality of switches may be connected to each perturbation element.
  • the power supply to the patch antenna body uses a coaxial line, or it can be anything.
  • the one-point feeding type Wakinami Kantan antenna is formed on the surface of a substrate having a conductive layer with an opening formed thereon, which is composed of a conductive material.
  • a connection state between each perturbation element pair and the patch antenna main body is provided, and a connection state between each of the perturbation element pairs and the I3 ⁇ 4trfti patch antenna unit is selectively connected to one of the perturbation element pairs. Switch to switch to be performed,
  • the mouth may be arranged at a position where the notch antenna body is projected, and in this case, power is supplied to the notch antenna body at the rear surface of the substrate, at a position where the force and the I portion are projected.
  • the payment may be made by Okiji and others.
  • FIG. 1 is a diagram illustrating a conventional Omikawa single-point feeding circularly polarized patch antenna that emits a circular wave (one wave or tfe circular wave),
  • Figure 2 shows a conventional two-point power supply system connected with a switching circuit.
  • FIG. 3 is a schematic configuration diagram of a circularly polarized patch antenna of the first embodiment
  • Figure 4 shows an example of the shape of the patch antenna body.
  • FIG. 6 is a perspective view of a circularly-polarized laser beam fed by ⁇ frequency electromagnetic coupling and a sectional view thereof.
  • FIG. 7 is a schematic configuration diagram of a circularly polarized patch antenna according to the third embodiment.
  • a feeder line 4 is formed on the outer periphery of a circular patch antenna body 1 having a conductor tidal member as a member. Substantially symmetrically with respect to the longitudinal direction, perturbation elements 2a, 2b, 2c, 2d via microwave switches 3a, 3b, 3, 3d are mounted respectively.
  • the power supply line 4 which is a microstrip line that supplies power to the main antenna 1 of the switch antenna, is fed from a single point 5 of the microphone mouth wave switch 3c, 3d on the outer periphery of the patch antenna body 1. This is a one-point power supply system.
  • Mic mouth wave switches 3a, 3b, 3c, and 3d are provided with elements such as a PIN diode GaAs ET;
  • the reverse operation of the above-mentioned right-handed circularly polarized wave ⁇ W method may be performed. That is, turn on the microwave switch :: lb, 3d, and turn off the microphone mouthpiece switches 3a, 3c.
  • the patch antenna tree (1 and the perturbation elements 2 b and 2 d are electrically connected to each other.
  • the force perturbation elements 2 a and 2 c are not connected to the batch antenna unit ⁇ this unit.
  • the circularly polarized patch antenna of the present embodiment is equivalent to the state of the conventional example shown in Fig. 1 (b), and the left-handed circular wave is subjected to 3 ⁇ 4W.
  • a square or a polygon such as an 8J shape may be used.
  • the circular wave of the present embodiment Only by the off operation ⁇ circle ⁇ wave and left-handed circle (1 point feed fll type circularly polarized patch antenna capable of tandem with wave, occupied the feed path compared to 2 point feed method Therefore, the circle (the wave antenna patch antenna can be downsized.
  • Fig. 5 (a) is a view of the outer collar 4 of the circular side-wave patch antenna fed by using the coaxial line 47
  • Fig. 5 (b) is a cross-sectional view of Fig. 5 (a).
  • the patch antenna main body 41 is disposed on the
  • the coaxial line 47 has an inner conductor 47 a and an outer conductor 47 b, and is disposed below the plate 45.
  • the inner conductor 47 a of the same line 47 intercepts J 45, and is connected to the patch antenna body 41 at supply 48 by air, and the outer body 47 b is electrically connected to the ground layer 46.
  • the power supply to the patch antenna tree ⁇ 41 is performed with the inner conductor 47a.
  • Fig. 6 (a) shows the outside IIL view of the 1-L side-wave batch antenna supplied by high-frequency electromagnetic coupling
  • Fig. 6 (b) shows the cut-off lilil of Fig. 6 (a).
  • the patch antenna main body 51 is provided on the plate 55 made of a dielectric material with iW'j 'on the lili, and on the lower surface of the substrate 55, a power supply line 54 is disposed.
  • a conductive layer 56 having a slit 57 formed in a part thereof at 55 is abbreviated as a row, abbreviated as a patch antenna tree 51.
  • the above-described power supply path 54 is formed by a slit at the bottom of the substrate 55. 57 is arranged so as to straddle the area where the light is projected, and the supply current 54 flows through the supply line 54, and the supply line 54 and the patch antenna tree 51 pass through the slit 57.
  • the power is supplied by the appropriate electromagnetic coupling.
  • the microphone mouth-wave switches 3 y, 3 b, 3 ′ and ′ correspond to the driving elements 2 a, b, 2: and 2 d, respectively. 3d were connected one by one, as shown in FIG. 7; in another embodiment, the microphone 62a is connected to the microphone aperture switch 63a, 63e, and the perturbation element 62b is connected to the microphone aperture. Wave switch 63b, 6 3 ⁇ , perturbation element 6 2 c, microwave switch 6 3 c, 6 3 g, inductive element 6 2 d, microphone mouth wave switch 6 3 d, 6 3 h, 2 for each element Switches are connected. Thereby, adjustment of impedance etc. can be performed easily.
  • the shape of the patch antenna body 6: 1 can be a square, a certain shape, or a polygon such as an eight shape.

Landscapes

  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

Des éléments de perturbations (2a, 2b, 2c, 2d) sont fixés à la périphérie extérieure du corps (1) d'une antenne à plaque par l'intermédiaire de commutateurs hyperfréquence (3a, 3b, 3c, 3d). Les microcommmutateurs sont reliés à des lignes d'alimentation (4) qui sont des lignes microruban. Pour produire une onde polarisée dextrogyre circulaire, les commutateurs hyperfréquence (3a, 3c) sont ouverts et les commutateurs hyperfréquence (3b, 3d) sont fermés. Pour produire une onde polarisée lévogyre circulaire, les commutateurs (3b, 3d) sont ouverts et les microcommutateurs (3a, 3c) sont fermés.
PCT/JP1999/003201 1998-06-17 1999-06-16 Antenne a commutation d'onde polarisee a alimentation mono-point WO1999066592A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU41668/99A AU4166899A (en) 1998-06-17 1999-06-16 One-point feeding polarized wave switching antenna

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10/170036 1998-06-17
JP10170036A JP3095072B2 (ja) 1998-06-17 1998-06-17 偏波切換アンテナ

Publications (1)

Publication Number Publication Date
WO1999066592A1 true WO1999066592A1 (fr) 1999-12-23

Family

ID=15897428

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1999/003201 WO1999066592A1 (fr) 1998-06-17 1999-06-16 Antenne a commutation d'onde polarisee a alimentation mono-point

Country Status (3)

Country Link
JP (1) JP3095072B2 (fr)
AU (1) AU4166899A (fr)
WO (1) WO1999066592A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7952525B2 (en) * 2005-06-03 2011-05-31 Sony Corporation Antenna device associated wireless communication apparatus and associated control methodology for multi-input and multi-output communication systems
WO2018014654A1 (fr) * 2016-07-22 2018-01-25 深圳市华讯星通讯有限公司 Émetteur-récepteur d'antenne et système de communication le comportant
CN110911834A (zh) * 2019-12-02 2020-03-24 成都瑞迪威科技有限公司 一种可实现左右旋圆极化切换的相控阵天线

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4635326B2 (ja) * 2000-10-31 2011-02-23 株式会社村田製作所 アンテナの実装構造およびそれを備えた無線装置
JP2004274223A (ja) * 2003-03-06 2004-09-30 Matsushita Electric Ind Co Ltd アンテナとそれを用いた電子機器
JP4729989B2 (ja) * 2005-06-03 2011-07-20 ソニー株式会社 アンテナ装置、無線通信装置、その制御方法、コンピュータ処理可能なプログラム及びその記録媒体
JP2006340234A (ja) * 2005-06-03 2006-12-14 Sony Corp アンテナ装置、無線通信装置、その制御方法、コンピュータ処理可能なプログラム及びその記録媒体
JP4819666B2 (ja) 2006-12-25 2011-11-24 富士通株式会社 無線機器
GB201012923D0 (en) * 2010-07-30 2010-09-15 Sarantel Ltd An antenna
JP6599629B2 (ja) * 2015-03-31 2019-10-30 マスプロ電工株式会社 アンテナ装置
KR102176044B1 (ko) * 2019-07-29 2020-11-06 주식회사 에스원 Uwb 감지기를 위한 광대역 원형 편파 스위칭 교차 다이폴 안테나

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57188107A (en) * 1981-05-14 1982-11-19 Kiyohiko Ito Polarization switching type circular polarized wave antenna
JPH06326508A (ja) * 1993-05-11 1994-11-25 Matsushita Electric Works Ltd アンテナ装置
JPH07176944A (ja) * 1993-12-20 1995-07-14 Fujitsu General Ltd マイクロストリップアンテナ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57188107A (en) * 1981-05-14 1982-11-19 Kiyohiko Ito Polarization switching type circular polarized wave antenna
JPH06326508A (ja) * 1993-05-11 1994-11-25 Matsushita Electric Works Ltd アンテナ装置
JPH07176944A (ja) * 1993-12-20 1995-07-14 Fujitsu General Ltd マイクロストリップアンテナ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7952525B2 (en) * 2005-06-03 2011-05-31 Sony Corporation Antenna device associated wireless communication apparatus and associated control methodology for multi-input and multi-output communication systems
WO2018014654A1 (fr) * 2016-07-22 2018-01-25 深圳市华讯星通讯有限公司 Émetteur-récepteur d'antenne et système de communication le comportant
CN110911834A (zh) * 2019-12-02 2020-03-24 成都瑞迪威科技有限公司 一种可实现左右旋圆极化切换的相控阵天线

Also Published As

Publication number Publication date
AU4166899A (en) 2000-01-05
JP2000004119A (ja) 2000-01-07
JP3095072B2 (ja) 2000-10-03

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