JPH05145331A - Plane antenna in common for polarized wave - Google Patents
Plane antenna in common for polarized waveInfo
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- JPH05145331A JPH05145331A JP30201191A JP30201191A JPH05145331A JP H05145331 A JPH05145331 A JP H05145331A JP 30201191 A JP30201191 A JP 30201191A JP 30201191 A JP30201191 A JP 30201191A JP H05145331 A JPH05145331 A JP H05145331A
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、多素子アレー化に好
適な、偏波共用平面アンテナに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dual polarization plane antenna suitable for multi-element array.
【０００２】[0002]
【従来の技術】従来、衛星を中継して、地上の基地局と
移動局あるいは固定局との間に、無線通信系を構成する
ことが知られている。この無線通信系では、周波数分割
多重が広く使われているが、補助的に、空間的に互いに
直交する垂直偏波と水平偏波を用いた偏波分割多重が用
いられる場合がある。2. Description of the Related Art Conventionally, it has been known to relay a satellite to form a wireless communication system between a base station on the ground and a mobile station or a fixed station. In this wireless communication system, frequency division multiplexing is widely used, but as a supplementary case, polarization division multiplexing using vertically polarized waves and horizontally polarized waves spatially orthogonal to each other may be used.
【０００３】このような無線通信系の通信機において
は、垂直偏波と水平偏波を分離独立して送受信すること
ができる偏波共用アンテナを用いることになるが、移動
局のアンテナとしては、通常、構成が簡単で形状が小さ
く、低プロファイルの平面アンテナが使用されている。In such a radio communication system communication device, a polarization dual-purpose antenna capable of separately transmitting and receiving vertical polarization and horizontal polarization is used, but as an antenna of a mobile station, Generally, a flat antenna having a simple configuration, a small shape, and a low profile is used.
【０００４】まず、図５〜図７を参照しながら、従来の
偏波共用平面アンテナについて説明する。図５，６に示
すように、従来の偏波共用平面アンテナ素子１０では、
いずれも方形の接地導体１１上に、ふっ素樹脂のような
低損失の誘電体層１２を介して、方形の放射導体１３が
同心に積層配設される。First, a conventional dual polarization plane antenna will be described with reference to FIGS. As shown in FIGS. 5 and 6, in the conventional dual polarization planar antenna element 10,
In each case, a rectangular radiation conductor 13 is concentrically laminated on a rectangular ground conductor 11 with a low-loss dielectric layer 12 such as fluororesin interposed therebetween.
【０００５】放射導体１３の互いに直交する２本の対称
軸１３ｖ，１３ｈ上で、隣接する２辺の中央に、それぞ
れ給電点１４ｈ，１４ｖが設けられ、両給電点１４ｈ，
１４ｖは、λ／４変成線路１５ｑと給電線路１５ｐから
なる給電線１５を介して、同軸コネクタなどの給電ポー
ト１６ｈ，１６ｖに接続される。そして、この給電ポー
トのいずれか一方、例えば１６ｖが垂直偏波に対応する
と共に、他方のポート、例えば１６ｈが水平偏波に対応
している。Feeding points 14h and 14v are provided at the centers of two adjacent sides on two symmetry axes 13v and 13h of the radiation conductor 13 which are orthogonal to each other.
14v is connected to power feeding ports 16h and 16v such as a coaxial connector via a power feeding line 15 including a λ / 4 transformation line 15q and a power feeding line 15p. Then, one of the power supply ports, for example 16v, corresponds to vertical polarization, and the other port, for example 16h, corresponds to horizontal polarization.
【０００６】[0006]
【発明が解決しようとする課題】ところで、アンテナの
高利得化のためには、複数のアンテナ素子をアレー化す
ることが知られており、前出図５に示すような偏波共用
平面アンテナ素子１０についても、図７に示すように、
例えば、２×２個の放射導体１３ａ〜１３ｄを用いて、
偏波共用平面アンテナアレー１０Ｑを形成することがで
きる。各放射導体１３ａ〜１３ｄには、垂直偏波用の給
電線１５Ｖと水平偏波用の給電線１５Ｈを通じて、対応
する給電点Ｆｖ，Ｆｈから、高周波信号がそれぞれ供給
される。なお、図７では、λ／４変成線路の図示は省略
して、給電線を単線表示としている。By the way, it is known to form a plurality of antenna elements in an array in order to increase the gain of the antenna. As shown in FIG. For 10 as well, as shown in FIG.
For example, using 2 × 2 radiating conductors 13a to 13d,
A polarization dual plane antenna array 10Q can be formed. A high-frequency signal is supplied to each of the radiating conductors 13a to 13d from the corresponding feeding points Fv and Fh through the vertically polarized feed line 15V and the horizontally polarized feed line 15H. In FIG. 7, the λ / 4 transformer line is not shown and the feeder line is shown as a single line.
【０００７】ところが、前出図５に示すような従来の偏
波共用平面アンテナ素子１０では、給電線１５や給電ポ
ート１６ｈ，１６ｖが、放射導体１３と同一平面上に配
されているので、図７に示すようにアレー化する場合、
垂直偏波用の給電線１５ｖと水平偏波用の給電線１５ｈ
を互いに交差させないためには、２×２個の配列が限界
であり、あまり高い利得の要求には対応できないという
問題があった。However, in the conventional dual-polarization planar antenna element 10 as shown in FIG. 5, the feed line 15 and the feed ports 16h and 16v are arranged on the same plane as the radiation conductor 13. When arrayed as shown in 7,
Vertically polarized power supply line 15v and horizontally polarized power supply line 15h
In order not to cross each other, there is a limit to the arrangement of 2 × 2 pieces, and there is a problem that it is not possible to meet the demand for a very high gain.
【０００８】かかる問題を解消するものとして、例えば
次の文献により、図８，９に示すような、多素子アレー
化が可能な偏波共用平面アンテナが既に提案されてい
る。 小谷・松井・羽石：「偏波共用平面アンテナに関する一
考察」１９９０年電子情報通信学会春季全国大会：Ｂ−
１３３ 小谷・松井・羽石：「偏波共用平面アレーの放射特性」
１９９０年電子情報通信学会秋季全国大会：Ｂ−９３In order to solve such a problem, for example, the following documents have already proposed a dual polarization planar antenna capable of forming a multi-element array as shown in FIGS. Otani / Matsui / Haneishi: "A Consideration on Polarization Dual Planar Antenna" 1990 IEICE Spring National Conference: B-
133 Otani / Matsui / Haneishi: “Radiation characteristics of dual polarized planar array”
1990 IEICE Fall National Congress: B-93
【０００９】図８に示すように、この偏波共用平面アン
テナ素子２０では、接地導体２１の中心部で放射導体２
３と対向する領域内に、垂直偏波用の給電線２５ｖと平
行に、スロット２１ｓが穿設される。また、接地導体２
１に関して放射導体２３と反対側に、２つの誘電体層２
７，２８が積層されると共に、両誘電体層２７，２８の
中間に、水平偏波用の給電線２５ｈが、その先端がスロ
ット２１ｓと交差対向するように配設される。更に、誘
電体層２８の外側には第２の接地導体２９が積層され
る。なお、この図８において、前出図５，６に対応する
部分には、“１”の位が同一の符号を付して一部説明を
省略する。As shown in FIG. 8, in the polarized dual-purpose planar antenna element 20, the radiation conductor 2 is provided at the center of the ground conductor 21.
Slots 21s are formed in a region facing 3 in parallel with the feed line 25v for vertical polarization. Also, the ground conductor 2
On the side opposite to the radiation conductor 23 with respect to 1, two dielectric layers 2
7 and 28 are laminated, and a horizontally polarized power supply line 25h is disposed in the middle of both dielectric layers 27 and 28 such that the tip end thereof crosses the slot 21s. Further, a second ground conductor 29 is laminated on the outside of the dielectric layer 28. In addition, in FIG. 8, the portions corresponding to those in FIGS.
【００１０】両給電線２５ｖ，２５ｈには、対応する給
電ポート２６ｖ，２６ｈから、高周波信号がそれぞれ供
給されて、放射導体２３が、直接給電により、矢印Ａｖ
で示す方向に励振されると共に、スロット２１ｓを通じ
た電磁結合により、矢印Ａｈで示す方向に励振される。High-frequency signals are supplied to the power supply lines 25v and 25h from the corresponding power supply ports 26v and 26h, respectively, and the radiation conductor 23 is directly supplied with power to supply an arrow Av.
In addition to being excited in the direction indicated by, it is excited in the direction indicated by arrow Ah by electromagnetic coupling through the slot 21s.
【００１１】図８のアンテナ素子２０を用いて、例え
ば、図９に示すように、２×２配列の偏波共用平面アン
テナアレー２０Ｑを形成することができる。そして、図
８のアンテナ素子２０では、垂直偏波用及び水平偏波用
の各給電線２５ｖ，２５ｈが、接地導体２１によって分
離されて、別のレイヤーに構成されるため、アレー化の
場合においても、図９に示すように、２つの給電線が交
差することがなく、より多素子のアレー化が可能となっ
て、より高い利得の要求にも対応することができる。By using the antenna element 20 shown in FIG. 8, for example, as shown in FIG. 9, it is possible to form a 2 × 2 array of dual polarization plane antenna arrays 20Q. Further, in the antenna element 20 of FIG. 8, since the vertical polarization and horizontal polarization feed lines 25v and 25h are separated by the ground conductor 21 and configured in different layers, in the case of arraying. However, as shown in FIG. 9, two feeders do not cross each other, an array of more elements can be realized, and a higher gain requirement can be met.
【００１２】また、図８のアンテナ素子２０では、水平
偏波用の給電線２５ｈが、上下の接地導体２１，２９の
間に挟まれて、いわゆるトリプレート型に構成されるた
め、この給電線２５ｈからの不要放射が抑制される。Further, in the antenna element 20 of FIG. 8, the horizontally polarized power feed line 25h is sandwiched between the upper and lower ground conductors 21 and 29 to form a so-called triplate type. Unwanted radiation from 25h is suppressed.
【００１３】ところが、図８のアンテナ素子２０では、
垂直偏波用の給電線２５ｖが、放射素子２３と同一面、
即ち、アンテナの開口面上に形成されるため、アレー化
により、配列個数が多くなるにつれて、給電線２５ｖか
らの放射損失が多くなって、放射効率が低下するという
問題があった。However, in the antenna element 20 of FIG.
The feed line 25v for vertically polarized waves is on the same plane as the radiating element 23,
That is, since it is formed on the opening surface of the antenna, there is a problem in that as the number of arrays increases due to the arraying, the radiation loss from the feeder line 25v increases and the radiation efficiency decreases.
【００１４】また、誘電体２１の厚みについても、放射
導体２３に対する適切な値と、給電線路２５ｖに対する
適切な値が異なるため、その選定が困難であるという問
題があった。Also, regarding the thickness of the dielectric 21, there is a problem that it is difficult to select the appropriate value for the radiation conductor 23 and the appropriate value for the feed line 25v.
【００１５】かかる点に鑑み、この発明の目的は、多素
子アレー化を可能とすると共に、給電線路部からの不要
放射を抑制することができる偏波共用平面アンテナを提
供するところにある。In view of the above point, an object of the present invention is to provide a dual-polarization plane antenna which can be formed into a multi-element array and can suppress unnecessary radiation from the feed line section.
【００１６】[0016]
【課題を解決するための手段】第１のこの発明は、第１
の誘電体層３２を介して第１の接地導体３１と対向する
放射導体３３の直交する対称軸３３ｖ，３３ｈ上に１対
の給電点３４ｖ，３４ｈがそれぞれ配設された偏波共用
平面アンテナにおいて、第１の接地導体の背面側に第２
及び第３の誘電体層３７，３８を介して第２の接地導体
４１を配設すると共に、この第２の接地導体の背面側に
第４及び第５の誘電体層４２，４３を介して第３の接地
導体４４を配設し、第２及び第３の誘電体層の中間に第
１の線路導体３５を配設すると共に、第４及び第５の誘
電体層の中間に第２の線路導体４５を配設し、１対の給
電点の一方と第１の線路導体とを第１の接地導体に穿設
した開孔３１ｕならびに第２及び第３の誘電体層を貫通
して接続すると共に、１対の給電点の他方と第２の線路
導体とを第１及び第２の接地導体にそれぞれ穿設した開
孔３１th，４１ｕならびに第１〜第４の誘電体層を貫通
して接続するようにした偏波共用平面アンテナである。The first invention is the first invention.
In a dual-polarization planar antenna in which a pair of feed points 34v and 34h are respectively arranged on orthogonal symmetry axes 33v and 33h of a radiation conductor 33 facing the first ground conductor 31 via a dielectric layer 32 of , Second on the back side of the first ground conductor
And the second ground conductor 41 is provided via the third dielectric layers 37 and 38, and the fourth and fifth dielectric layers 42 and 43 are provided on the back side of the second ground conductor 41. The third ground conductor 44 is provided, the first line conductor 35 is provided between the second and third dielectric layers, and the second line conductor 35 is provided between the fourth and fifth dielectric layers. The line conductor 45 is provided, and one of the pair of feeding points and the first line conductor are connected through the opening 31u formed in the first ground conductor and the second and third dielectric layers. In addition, the other of the pair of feeding points and the second line conductor are penetrated through the openings 31th and 41u and the first to fourth dielectric layers, which are formed in the first and second ground conductors, respectively. It is a dual-polarized plane antenna that is connected.
【００１７】第２のこの発明は、直交する１対の対称軸
５３ｖ，５３ｈを有する放射導体５３が第１の誘電体層
５２を介して第１の接地導体５１と対向配設された偏波
共用平面アンテナにおいて、第１の接地導体の背面側に
第２及び第３の誘電体層５７，５８を介して第２の接地
導体６１を配設すると共に、この第２の接地導体の背面
側に第４及び第５の誘電体層６２，６３を介して第３の
接地導体６４を配設し、第２及び第３の誘電体層の中間
に第１の線路導体５５を配設すると共に、第４及び第５
の誘電体層の中間に第２の線路導体６５を配設し、第１
の接地導体に放射導体の対称軸の双方にそれぞれ対向し
て第１及び第２のスロット５１ｓ，５１thを穿設すると
共に、この第２のスロットに対向して第２の接地導体に
第３のスロット６１ｓを穿設し、第１のスロットを介し
て第１の線路導体と放射導体とを電磁的に結合すると共
に、第２及び第３のスロットを介して第２の線路導体と
放射導体とを電磁的に結合するようにした偏波共用平面
アンテナである。A second aspect of the present invention is a polarized wave in which a radiating conductor 53 having a pair of orthogonal symmetry axes 53v and 53h is arranged to face the first grounding conductor 51 via a first dielectric layer 52. In the shared planar antenna, the second ground conductor 61 is provided on the back side of the first ground conductor via the second and third dielectric layers 57 and 58, and the back side of the second ground conductor is provided. And a third ground conductor 64 disposed on the first and second dielectric layers 62 and 63, and a first line conductor 55 disposed between the second and third dielectric layers. , 4th and 5th
The second line conductor 65 is arranged in the middle of the dielectric layer of
The first and second slots 51s and 51th are bored in the ground conductor of FIG. 3 so as to face both the symmetry axes of the radiation conductor, and the second ground conductor is provided with a third slot of the third slot 51s and 51th. A slot 61s is bored, the first line conductor and the radiation conductor are electromagnetically coupled through the first slot, and the second line conductor and the radiation conductor are coupled through the second and third slots. Is a dual-polarization planar antenna that is electromagnetically coupled.
【００１８】[0018]
【作用】かかる構成によれば、放射導体の背面側で、１
対の給電線路部がそれぞれ別層のトリプレート型となっ
て、多素子アレー化が可能となると共に、給電線路部か
らの不要放射が抑制される。According to this structure, the back side of the radiation conductor is
The pair of feed line portions are formed in different layers, that is, a triplate type, so that a multi-element array can be formed and unnecessary radiation from the feed line portions is suppressed.
【００１９】[0019]
【実施例】以下、図１〜図３を参照しながら、この発明
による偏波共用平面アンテナの一実施例について説明す
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a dual polarized planar antenna according to the present invention will be described below with reference to FIGS.
【００２０】この発明の一実施例の構成を図１に示す。
この図１において、前出図５及び図８に対応する部分に
は“１”の位が同一の符号を付して一部説明を省略す
る。The structure of an embodiment of the present invention is shown in FIG.
In FIG. 1, the parts corresponding to those in FIGS. 5 and 8 are designated by the same reference numerals in the “1” position, and the description thereof will be partially omitted.
【００２１】図１において、３０は偏波共用平面アンテ
ナ素子を全体として示し、方形の放射導体３３には、互
いに直交する２本の対称軸３３ｖ，３３ｈ上に、中心か
ら適宜に等しくオフセットされて、給電点３４ｖ，３４
ｈがそれぞれ配設される。In FIG. 1, reference numeral 30 designates a dual polarization plane antenna element as a whole, and a rectangular radiation conductor 33 is appropriately offset from the center on two symmetry axes 33v and 33h orthogonal to each other. , Feeding points 34v, 34
h are provided respectively.
【００２２】この実施例では、接地導体２１に関して放
射導体２３と反対側に、第２，第３の誘電体層３７，３
８と第２の接地導体４１とが積層配設されると共に、両
誘電体層３７，３８の中間に、水平偏波用の給電線３５
が積層されてトリプレート型に構成され、給電線３５の
先端が給電点３４ｈと対向するように配設される。In this embodiment, the second and third dielectric layers 37 and 3 are provided on the side opposite to the radiation conductor 23 with respect to the ground conductor 21.
8 and the second ground conductor 41 are laminated and disposed in the middle of both the dielectric layers 37 and 38, and the horizontal polarization feed line 35 is provided.
Are stacked to form a triplate type, and the tip of the power supply line 35 is disposed so as to face the power supply point 34h.
【００２３】また、第２の接地導体４１に関して放射導
体３３と反対側に、第４，第５の誘電体層４２，４３と
第３の接地導体４４とが積層配設されると共に、両誘電
体層４２，４３の中間に、垂直偏波用の給電線４５が積
層されてトリプレート型に構成され、給電線３５の先端
が給電点３４ｖと対向するように配設される。Further, the fourth and fifth dielectric layers 42 and 43 and the third ground conductor 44 are laminated on the side opposite to the radiation conductor 33 with respect to the second ground conductor 41, and both dielectrics are provided. A vertically polarized feed line 45 is laminated in the middle of the body layers 42 and 43 to form a triplate type, and the tip of the feed line 35 is arranged so as to face the feed point 34v.
【００２４】そして、放射導体３３の一方の給電点３４
ｈと、対応する給電線３５の先端との間で、第１の接地
導体３１と第２の誘電体層３７とに共通に、適宜の直径
の開孔３１ｕが穿設されて、図１に破線で示すように、
この開孔３１ｕを貫通する給電ピンなどにより、給電点
３４ｈと給電線３５の先端とが接続される。Then, one feeding point 34 of the radiation conductor 33
Between h and the corresponding tip of the power supply line 35, an opening 31u having an appropriate diameter is bored in common to the first ground conductor 31 and the second dielectric layer 37, and as shown in FIG. As shown by the dashed line
The feeding point 34h and the tip of the feeding line 35 are connected by a feeding pin or the like penetrating the opening 31u.
【００２５】他方の給電点３４ｖと、対応する給電線３
５の先端との間では、第１の接地導体３１と第２の誘電
体層３７とに共通に、適宜の直径のスルーホール３１th
が穿設されると共に、第３の誘電体層３８にもスルーホ
ール３８thが穿設される。更に、第２の接地導体４１と
第４の誘電体層４２とに共通に、開孔４１ｕが穿設され
て、同図に破線で示すように、スルーホール３１th，３
８th；開孔４１ｕを貫通する給電ピンなどにより、給電
点３４ｖと給電線４５の先端とが接続される。なお、積
層状態では、スルーホール３１th，３８thと、適宜に配
設された他のスルーホール（図示は省略）などによっ
て、各接地導体３１，４１，４４が電気的に接続され
る。The other feeding point 34v and the corresponding feeding line 3
Between the tip of No. 5 and the first ground conductor 31 and the second dielectric layer 37, a through hole 31th having an appropriate diameter is commonly used.
And a through hole 38th is also formed in the third dielectric layer 38. Further, an opening 41u is formed in common to the second ground conductor 41 and the fourth dielectric layer 42, and as shown by a broken line in the figure, the through holes 31th, 3
8th: The feeding point 34v and the tip of the feeding line 45 are connected by a feeding pin or the like penetrating the opening 41u. In the stacked state, the ground conductors 31, 41, and 44 are electrically connected by the through holes 31th and 38th and other through holes (not shown) that are appropriately arranged.
【００２６】両給電線３５，４５には、対応する給電ポ
ート３６，４６から、高周波信号がそれぞれ供給され
て、放射導体３３が、背面直接給電により、矢印Ａｖ，
Ａｈで示す方向にそれぞれ励振される。これにより、こ
の実施例のアンテナ素子３０は、垂直偏波及び水平偏波
に対応することができる。High-frequency signals are supplied to the power supply lines 35 and 45 from the corresponding power supply ports 36 and 46, respectively, and the radiation conductor 33 is directly fed to the back surface by the arrow Av,
It is excited in the directions indicated by Ah. As a result, the antenna element 30 of this embodiment can handle vertically polarized waves and horizontally polarized waves.
【００２７】また、この実施例では、アンテナ素子３０
の両給電線３５，４５は、上述のように、それぞれ別層
においてトリプレート型に構成されているので、図２に
示すように、アレー化した場合でも、給電線３５Ｈ，４
５Ｖが互いに交差することはない。従って、次のアレー
ユニットに結合可能であり、図３に示すように、配列個
数を更に増やすことができて、高い利得の要求にも対応
できる。Further, in this embodiment, the antenna element 30
Since both feed lines 35 and 45 of the above are configured as triplates in different layers as described above, even when arrayed, as shown in FIG.
5V never cross each other. Therefore, it can be connected to the next array unit, and as shown in FIG. 3, the number of arrays can be further increased, and the demand for high gain can be met.
【００２８】しかも、各給電線３５Ｈ，４５Ｖは、トリ
プレート型に構成されているので、その放射損失は無視
することができて、アレーの多素子化に伴う放射効率の
低下を抑制することができる。また、各誘電体３２，３
７，３８の厚みは、放射導体３３と給電線３５，４５に
対して、それぞれ適切に設定することが可能となる。Moreover, since each of the power supply lines 35H and 45V is of a triplate type, its radiation loss can be neglected and the reduction in radiation efficiency due to the multi-element array can be suppressed. it can. In addition, each dielectric 32, 3
The thicknesses of 7 and 38 can be set appropriately for the radiation conductor 33 and the feeder lines 35 and 45, respectively.
【００２９】次に、図４を参照しながら、この発明によ
る偏波共用平面アンテナの他の実施例について説明す
る。Next, with reference to FIG. 4, another embodiment of the dual polarization plane antenna according to the present invention will be described.
【００３０】この発明の他の実施例の構成を図４に示
す。この図４において、前出図１に対応する部分には同
一の符号を付して重複説明を省略する。The structure of another embodiment of the present invention is shown in FIG. In FIG. 4, parts corresponding to those in FIG. 1 above are denoted by the same reference numerals, and redundant description will be omitted.
【００３１】図４の実施例では、給電ピンによる直接給
電に代えて、スロットによる非接触給電を採用してい
る。即ち、この実施例では、放射導体５３の１対の対称
軸５３ｖ，５３ｈにそれぞれ対向して、接地導体５１
に、適宜のスロット５１ｓ及びスルーホール５１thが穿
設されると共に、第２の接地導体６１には、スルーホー
ル５１thに対向してスロット６１ｓが穿設される。ま
た、第３の誘電体層５８には、スルーホール５１thに対
向して、スルーホール５８thが穿設される。In the embodiment shown in FIG. 4, instead of direct power feeding by a power feeding pin, non-contact power feeding by a slot is adopted. That is, in this embodiment, the grounding conductor 51 is opposed to the pair of symmetry axes 53v and 53h of the radiation conductor 53, respectively.
In addition, an appropriate slot 51s and a through hole 51th are formed, and a slot 61s is formed in the second ground conductor 61 so as to face the through hole 51th. Further, a through hole 58th is formed in the third dielectric layer 58 so as to face the through hole 51th.
【００３２】第２，第３の誘電体層５７，５８の中間
に、水平偏波用の給電線５５が、その先端がスロット５
１ｓと交差対向するように配設されると共に、第４，第
５の誘電体層６２，６３の中間には、垂直偏波用の給電
線６５が、その先端がスロット６１ｓと交差対向するよ
うに配設される。In the middle of the second and third dielectric layers 57 and 58, a horizontal polarization feed line 55 is provided, and the tip thereof is a slot 5
The feed line 65 for vertically polarized waves is disposed in the middle of the fourth and fifth dielectric layers 62 and 63 so as to cross and face the slot 61s. Is installed in.
【００３３】そして、スロット５１ｓを介して、線路導
体５５と放射導体５３とが電磁的に結合されると共に、
スルーホール５１th及びスロット６１thを介して、線路
導体６５と放射導体５３とが電磁的に結合される。その
余の構成は前出図１と同様である。The line conductor 55 and the radiation conductor 53 are electromagnetically coupled to each other through the slot 51s, and
The line conductor 65 and the radiation conductor 53 are electromagnetically coupled to each other through the through hole 51th and the slot 61th. The rest of the configuration is the same as in FIG.
【００３４】図４の実施例でも、図１の実施例と同様に
作用し、同様の効果を奏するに加えて、スロットを介し
た電磁結合の採用により、図１の実施例における給電ピ
ンを排除することができて、組立が容易となる。The embodiment shown in FIG. 4 operates in the same manner as the embodiment shown in FIG. 1 and achieves the same effect. In addition, by adopting the electromagnetic coupling through the slot, the power supply pin in the embodiment shown in FIG. 1 is eliminated. And can be easily assembled.
【００３５】なお、図１，図４の各実施例では、説明の
便宜上、片面銅張積層板を多用する構成としたが、例え
ば、第１，第３，第５の誘電体層として両面銅張積層板
を用いると共に、単なる樹脂層を第２，第４の誘電体層
として用いる構成とするなど、適宜に変形することがで
きる。また、構成によっては、 誘電体層として空気を
用いることも可能となり、これによって、材料コストを
低減することもできる。In each of the embodiments shown in FIGS. 1 and 4, a single-sided copper clad laminate is often used for convenience of description, but for example, double-sided copper is used as the first, third and fifth dielectric layers. The stretched laminated plate is used, and a simple resin layer may be used as the second and fourth dielectric layers. In addition, depending on the configuration, it is possible to use air as the dielectric layer, which can reduce the material cost.
【００３６】[0036]
【発明の効果】以上詳述のように、この発明によれば、
垂直／水平偏波共用平面アンテナにおいて、直交する対
称軸を有する放射導体と対向する接地導体の背面に、１
対の誘電体層を介して第２の接地導体を配設し、第２の
接地導体の背面に他の１対の誘電体層を介して第３の接
地導体を配設し、各対の誘電体層の中間に線路導体をそ
れぞれ配設して、１対のトリプレート型給電線を別層に
形成し、この１対の給電線と放射導体の１対の給電点と
をそれぞれ接続するようにしたので、多素子アレー化が
可能になると共に、給電線からの不要放射を抑制するこ
とができる偏波共用平面アンテナが得られる。As described above in detail, according to the present invention,
In the vertical / horizontal polarization dual-use planar antenna, 1 is provided on the back surface of the ground conductor facing the radiation conductor having orthogonal symmetry axes.
A second ground conductor is arranged via a pair of dielectric layers, and a third ground conductor is arranged on the back surface of the second ground conductor via another pair of dielectric layers. Line conductors are respectively arranged in the middle of the dielectric layers to form a pair of triplate-type power supply lines in different layers, and the pair of power supply lines and the pair of power supply points of the radiation conductor are connected to each other. As a result, it is possible to obtain a multi-element array, and to obtain a dual-polarization planar antenna that can suppress unnecessary radiation from the feeder line.
【図面の簡単な説明】[Brief description of drawings]
【図１】 この発明による偏波共用平面アンテナの一実
施例の構成を示す分解斜視図FIG. 1 is an exploded perspective view showing the configuration of an embodiment of a dual-polarization planar antenna according to the present invention.
【図２】 この発明の一実施例のアレー化を説明するた
めの略線平面図FIG. 2 is a schematic plan view for explaining an array of an embodiment of the present invention.
【図３】 この発明の一実施例のアレー化を説明するた
めの略線平面図FIG. 3 is a schematic line plan view for explaining an array of one embodiment of the present invention.
【図４】 この発明の他の実施例の構成を示す分解斜視
図FIG. 4 is an exploded perspective view showing the configuration of another embodiment of the present invention.
【図５】 従来の偏波共用平面アンテナの構成例を示す
平面図FIG. 5 is a plan view showing a configuration example of a conventional polarization dual-purpose planar antenna.
【図６】 従来例の構成を示す断面図FIG. 6 is a sectional view showing a configuration of a conventional example.
【図７】 従来例のアレー化を説明するための略線平面
図FIG. 7 is a schematic line plan view for explaining an arraying of a conventional example.
【図８】 他の従来例の構成を示す分解斜視図FIG. 8 is an exploded perspective view showing the configuration of another conventional example.
【図９】 他の従来例のアレー化を説明するための略線
平面図FIG. 9 is a schematic line plan view for explaining an array of another conventional example.
３０，５０ 偏波共用平面
アンテナ素子 ３０Ｑ，５０Ｍ 偏波共用平面
アンテナアレー ３１，４１，４４，５１，６１，６４ 接地導体 ３２，３７，３８，４２，４３ 誘電体層 ３３，５３ 放射導体 ３４ｖ，３４ｈ 給電点 ３５，４５，５５，６５ 給電線 ３６，４６，５６，６６ 給電ポート ５１ｓ，５１th，６１ｓ スロット ５２，５７，５８，６２，６３ 誘電体層30 and 50 Polarization common plane antenna element 30Q and 50M Polarization common plane antenna array 31, 41, 44, 51, 61, 64 Ground conductor 32, 37, 38, 42, 43 Dielectric layer 33, 53 Radiation conductor 34v, 34h feeding point 35, 45, 55, 65 feeding line 36, 46, 56, 66 feeding port 51s, 51th, 61s slot 52, 57, 58, 62, 63 dielectric layer
Claims (2)
と対向する放射導体の直交する対称軸上に１対の給電点
がそれぞれ配設された偏波共用平面アンテナにおいて、 上記第１の接地導体の背面側に第２及び第３の誘電体層
を介して第２の接地導体を配設すると共に、 この第２の接地導体の背面側に第４及び第５の誘電体層
を介して第３の接地導体を配設し、 上記第２及び第３の誘電体層の中間に第１の線路導体を
配設すると共に、 上記第４及び第５の誘電体層の中間に第２の線路導体を
配設し、 上記１対の給電点の一方と上記第１の線路導体とを上記
第１の接地導体に穿設した開孔ならびに上記第２及び第
３の誘電体層を貫通して接続すると共に、 上記１対の給電点の他方と上記第２の線路導体とを上記
第１及び第２の接地導体にそれぞれ穿設した開孔ならび
に上記第１〜第４の誘電体層を貫通して接続するように
したことを特徴とする偏波共用平面アンテナ。1. A dual-polarization planar antenna in which a pair of feed points are respectively arranged on symmetry axes orthogonal to a radiation conductor opposed to a first ground conductor via a first dielectric layer, A second ground conductor is disposed on the back side of the first ground conductor via a second and a third dielectric layer, and fourth and fifth dielectric bodies are provided on the back side of the second ground conductor. A third grounding conductor is disposed via a layer, a first line conductor is disposed between the second and third dielectric layers, and an intermediate portion between the fourth and fifth dielectric layers. A second line conductor is provided in the first ground conductor, and one of the pair of feeding points and the first line conductor are formed in the first ground conductor, and the second and third dielectrics. While connecting through the layers, the other of the pair of feeding points and the second line conductor are respectively connected to the first and second ground conductors. A dual-polarization planar antenna, characterized in that it is configured so as to penetrate through the opened holes and the first to fourth dielectric layers.
が第１の誘電体層を介して第１の接地導体と対向配設さ
れた偏波共用平面アンテナにおいて、 上記第１の接地導体の背面側に第２及び第３の誘電体層
を介して第２の接地導体を配設すると共に、 この第２の接地導体の背面側に第４及び第５の誘電体層
を介して第３の接地導体を配設し、 上記第２及び第３の誘電体層の中間に第１の線路導体を
配設すると共に、 上記第４及び第５の誘電体層の中間に第２の線路導体を
配設し、 上記第１の接地導体に上記放射導体の上記対称軸の双方
にそれぞれ対向して第１及び第２のスロットを穿設する
と共に、 この第２のスロットに対向して上記第２の接地導体に第
３のスロットを穿設し、 上記第１のスロットを介して上記第１の線路導体と上記
放射導体とを電磁的に結合すると共に、 上記第２及び第３のスロットを介して上記第２の線路導
体と上記放射導体とを電磁的に結合するようにしたこと
を特徴とする偏波共用平面アンテナ。2. A dual-polarization plane antenna in which a radiation conductor having a pair of orthogonal symmetry axes is arranged to face a first ground conductor via a first dielectric layer, wherein the first ground conductor is provided. A second ground conductor is disposed on the back side of the second ground conductor via the second and third dielectric layers, and the second ground conductor is disposed on the back side of the second ground conductor via the fourth and fifth dielectric layers. A third ground conductor is provided, a first line conductor is provided between the second and third dielectric layers, and a second line is provided between the fourth and fifth dielectric layers. Conductors are provided, and first and second slots are formed in the first ground conductor so as to face both of the symmetry axes of the radiation conductor, and at the same time, face the second slot. A third slot is bored in the second ground conductor, and the first line conductor and the radiation are provided through the first slot. A polarization sharing plane, characterized in that the conductor is electromagnetically coupled and the second line conductor and the radiation conductor are electromagnetically coupled via the second and third slots. antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30201191A JPH05145331A (en) | 1991-11-18 | 1991-11-18 | Plane antenna in common for polarized wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30201191A JPH05145331A (en) | 1991-11-18 | 1991-11-18 | Plane antenna in common for polarized wave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05145331A true JPH05145331A (en) | 1993-06-11 |
Family
ID=17903818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30201191A Pending JPH05145331A (en) | 1991-11-18 | 1991-11-18 | Plane antenna in common for polarized wave |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05145331A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999036991A1 (en) * | 1998-01-13 | 1999-07-22 | Mitsumi Electric Co., Ltd. | Method of feeding flat antenna, and flat antenna |
| JP2000349545A (en) * | 1999-04-26 | 2000-12-15 | Andrew Corp | Antenna structure, facility and configuration method |
| JP2001518265A (en) * | 1997-03-24 | 2001-10-09 | テレフオンアクチーボラゲツト エル エム エリクソン（パブル） | Integrated transmit / receive antenna with optional antenna aperture |
| JP2005045346A (en) * | 2003-07-23 | 2005-02-17 | Toshiba Tec Corp | Planar antenna and wireless apparatus using the same |
| US7800552B2 (en) | 2006-03-02 | 2010-09-21 | Fujitsu Limited | Antenna apparatus for multiple input multiple output communication |
| KR101288381B1 (en) * | 2012-05-09 | 2013-07-22 | 숭실대학교산학협력단 | Microstrip patch antennas with via arrays using aperture coupled feeding with a parallel stub |
| JP2016537872A (en) * | 2014-10-07 | 2016-12-01 | ソウウェーブ カンパニー リミテッドＳａｗｗａｖｅ Ｃｏ．，Ｌｔｄ | Directional MIMO antenna using the bias effect |
| JP2021083121A (en) * | 2017-09-14 | 2021-05-27 | 株式会社村田製作所 | Antenna module and communication device |
| CN114026965A (en) * | 2019-06-26 | 2022-02-08 | 株式会社村田制作所 | Flexible substrate and antenna module provided with same |
-
1991
- 1991-11-18 JP JP30201191A patent/JPH05145331A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001518265A (en) * | 1997-03-24 | 2001-10-09 | テレフオンアクチーボラゲツト エル エム エリクソン（パブル） | Integrated transmit / receive antenna with optional antenna aperture |
| JP2008011565A (en) * | 1997-03-24 | 2008-01-17 | Telefon Ab L M Ericsson | Integrated transmit/receive antenna with arbitrary utilization of antenna aperture |
| WO1999036991A1 (en) * | 1998-01-13 | 1999-07-22 | Mitsumi Electric Co., Ltd. | Method of feeding flat antenna, and flat antenna |
| JP2000349545A (en) * | 1999-04-26 | 2000-12-15 | Andrew Corp | Antenna structure, facility and configuration method |
| JP2005045346A (en) * | 2003-07-23 | 2005-02-17 | Toshiba Tec Corp | Planar antenna and wireless apparatus using the same |
| US7800552B2 (en) | 2006-03-02 | 2010-09-21 | Fujitsu Limited | Antenna apparatus for multiple input multiple output communication |
| KR101288381B1 (en) * | 2012-05-09 | 2013-07-22 | 숭실대학교산학협력단 | Microstrip patch antennas with via arrays using aperture coupled feeding with a parallel stub |
| JP2016537872A (en) * | 2014-10-07 | 2016-12-01 | ソウウェーブ カンパニー リミテッドＳａｗｗａｖｅ Ｃｏ．，Ｌｔｄ | Directional MIMO antenna using the bias effect |
| JP2021083121A (en) * | 2017-09-14 | 2021-05-27 | 株式会社村田製作所 | Antenna module and communication device |
| US11721903B2 (en) | 2017-09-14 | 2023-08-08 | Murata Manufacturing Co., Ltd. | Antenna module and communication device |
| CN114026965A (en) * | 2019-06-26 | 2022-02-08 | 株式会社村田制作所 | Flexible substrate and antenna module provided with same |
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