JP2008535372A - 帯域阻止特性を有する超広帯域アンテナ - Google Patents
帯域阻止特性を有する超広帯域アンテナ Download PDFInfo
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- JP2008535372A JP2008535372A JP2008503973A JP2008503973A JP2008535372A JP 2008535372 A JP2008535372 A JP 2008535372A JP 2008503973 A JP2008503973 A JP 2008503973A JP 2008503973 A JP2008503973 A JP 2008503973A JP 2008535372 A JP2008535372 A JP 2008535372A
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- 239000000758 substrate Substances 0.000 claims description 38
- 238000004891 communication Methods 0.000 abstract description 16
- 230000005855 radiation Effects 0.000 abstract description 14
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000004088 simulation Methods 0.000 description 9
- 230000005404 monopole Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005672 electromagnetic field Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
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Classifications
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- 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
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/40—Element having extended radiating surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
- H01Q13/10—Resonant slot antennas
-
- 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
- H01Q13/10—Resonant slot antennas
- H01Q13/103—Resonant slot antennas with variable reactance for tuning the antenna
-
- 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
-
- 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
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
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- Waveguide Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
Description
図16は、本発明の他の実施形態による具現例のアンテナの周波数による放射パターンを示すグラフである。図16の(a)、(b) 及び(c)はそれぞれ3GHz、6GHz及び9GHzに対する放射パターンを示し、グラフにおいて点線は主偏波(co-pol) に対する放射パターンを示し、実線は主偏波に垂直な方向の偏波(cross-pol) に対する放射パターンを示す。上述したように具現したアンテナは、放射体と重ならずに小面積の接地面を用いるので、一般的なモノポールアンテナと類似の全方向性を有することが確認できる。
12、120 基板
14、140 給電部
16、160 スロット
18 スタブ
20、200 接地面
22 ステップ
180 ノッチ
220 凹部
Claims (13)
- 基板、前記基板の上面に形成された放射体、前記基板の底面に形成された接地面、及び前記放射体に接続された給電部を含むアンテナにおいて、
前記放射体に形成されたスタブを備え、
前記接地面にステップが形成された、超広帯域アンテナ。 - 前記放射体は円形である、請求項1に記載の超広帯域アンテナ。
- 前記スタブは30゜〜60゜の長さを有する、請求項1に記載の超広帯域アンテナ。
- 基板、前記基板の上面に形成された放射体、前記基板の底面に形成された接地面、及び前記放射体に接続された給電部を含むアンテナにおいて、
前記接地面に凹部が形成された、超広帯域アンテナ。 - 前記放射体は長方形であり、
前記放射体の下部角にノッチが形成された、請求項4に記載の超広帯域アンテナ。 - 前記接地面は前記放射体と重ならないように形成された、請求項1または4に記載の超広帯域アンテナ。
- 前記給電部はマイクロストリップ給電線である、請求項1または4に記載の超広帯域アンテナ。
- 前記アンテナが帯域阻止特性を持つように前記放射体にスロットが形成された、請求項1または4に記載の超広帯域アンテナ。
- 前記スロットは逆U字型である、請求項8に記載の超広帯域アンテナ。
- 前記スロットの長さは13〜16mmである、請求項8に記載の超広帯域アンテナ。
- 前記基板の比誘電率がεr であり、阻止帯域の中心周波数fcに対応する波長がλcであるとき、
前記スロットの長さは(λc/√εr)/2である、請求項8に記載の超広帯域アンテナ。 - 前記阻止帯域の中心周波数fcは5〜6GHzである、請求項11に記載の超広帯域アンテナ。
- 基板、前記基板の上面に形成された放射体、前記基板の底面に形成された接地面、及び前記放射体に接続された給電部を含むアンテナにおいて、
前記アンテナが帯域阻止特性を持つように前記放射体にU字型のスロットが形成された、帯域阻止特性を有する超広帯域アンテナ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050034429A KR100702328B1 (ko) | 2005-04-26 | 2005-04-26 | 대역 저지 특성을 갖는 초광대역 안테나 |
KR1020050034430A KR100643478B1 (ko) | 2005-04-26 | 2005-04-26 | 대역 저지 특성을 갖는 초광대역 안테나 |
PCT/KR2006/001545 WO2006115363A1 (en) | 2005-04-26 | 2006-04-25 | Ultra-wideband antenna having a band notch characteristic |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2008535372A true JP2008535372A (ja) | 2008-08-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008503973A Pending JP2008535372A (ja) | 2005-04-26 | 2006-04-25 | 帯域阻止特性を有する超広帯域アンテナ |
Country Status (4)
Country | Link |
---|---|
US (1) | US8115681B2 (ja) |
EP (1) | EP1878089A4 (ja) |
JP (1) | JP2008535372A (ja) |
WO (1) | WO2006115363A1 (ja) |
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Also Published As
Publication number | Publication date |
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WO2006115363A1 (en) | 2006-11-02 |
EP1878089A1 (en) | 2008-01-16 |
US8115681B2 (en) | 2012-02-14 |
US20100182210A1 (en) | 2010-07-22 |
EP1878089A4 (en) | 2008-07-16 |
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