WO1998027616A1 - Antenne reseau imprimee large bande - Google Patents
Antenne reseau imprimee large bande Download PDFInfo
- Publication number
- WO1998027616A1 WO1998027616A1 PCT/FR1997/002314 FR9702314W WO9827616A1 WO 1998027616 A1 WO1998027616 A1 WO 1998027616A1 FR 9702314 W FR9702314 W FR 9702314W WO 9827616 A1 WO9827616 A1 WO 9827616A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- antenna
- pellets
- lines
- network
- layer
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/065—Patch antenna array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/22—Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array
Definitions
- the present invention relates to a broadband printed network antenna intended to provide a main lobe substantially of revolution around an axis passing through its center.
- An object of the invention is therefore a printed array antenna with a small footprint thanks to the use of pellets and having a substantially revolution diagram over a very wide band.
- a broadband printed array antenna is therefore provided to provide a main lobe substantially of revolution around an axis passing through the center (A) of the antenna, said antenna comprising a plurality of substantially square radiating pellets. supplied by microstrip lines, characterized in that the supply by said lines from the center (A) of the antenna is of the tree type and in that each patch is supplied by an angle by one of said lines which partially overlaps said angle.
- the distribution of the pellets is not periodic so as to limit the secondary lobes in the radiation pattern of the antenna and to separate the network lobes, the pellets at the periphery of the antenna in this direction having a spacing greater than that of the pellets towards the center of the antenna.
- FIG. 1 is a plan view of the antenna according to the invention.
- FIG. 1 is a plan view of the antenna according to the invention.
- This antenna 1 uses a network of pellets (“patch”) 10.1 1 distributed over an area limited here by an octagon without this being in any way limiting.
- These pads are supplied by a network of supply lines 40 from a central point A where the signal is applied, for example by means of a coaxial.
- FIG. 2 is a partial section through the antenna 1.
- the antenna is produced according to the technique of printed circuits and comprises a first dielectric layer 12, for example made of polypropyiene, one face of which carries a metallization 13 serving as ground plane and the other face of which includes the pellets 10 (one of them is shown).
- a layer of dielectric foam 3 much thicker which in turn carries a second dielectric layer 2, by example made of epoxy glass, the face of which in contact with the foam carries parasites 20 opposite each of the pellets 10.
- These parasites preferably have the same shape as the pellets but are of smaller size and make it possible to enlarge the bandwidth of the antenna.
- the thickness h2 of the dielectric foam layer 3 is preferably three to four times the thickness h3 of the first dielectric layer 12. Thanks to this structure, the second dielectric layer 2 carrying the parasites also serves as a radome for the antenna. .
- FIG 3 shows, in plan view, a pellet 10 and its supply.
- This patch is square in shape, side a_; opposite it is the corresponding parasite 20 on side b smaller than a.
- the patch is supplied at an angle through its angle 100 which is connected to the line 40 at 90 ° to the diagonal of the patch.
- the size of the overlap between line and patch makes it possible in particular to adapt the impedance of the assembly.
- the advantage of the angle feed with a tree feed as shown in Figure 1 is that this removes for each pastille an elbow on the line, which would otherwise be necessary if the departure of line 40 from the angle 100 was in the direction of the diagonal of the patch leading to the angle. This eliminates a significant cause of losses due to elbows on the entire network.
- the distribution of the pads on the antenna could be done periodically as is conventional in the array antennas.
- a non-periodic distribution of the pellets 10, 11 is used according to at least one direction of the antenna plane.
- the periodicity is destroyed according to the plane E.
- the pads 10 of the center of the antenna are distributed periodically with a periodicity of 0.8 ⁇ , where ⁇ is the central wavelength of the bandwidth of the antenna, and the pads 1 1 of the periphery in the direction of the field E have a greater spacing, for example 0.9 ⁇ .
- ⁇ is the central wavelength of the bandwidth of the antenna
- the pads 1 1 of the periphery in the direction of the field E have a greater spacing, for example 0.9 ⁇ .
- FIG. 5 Another source of disturbance in the radiation pattern is the central feed to the antenna.
- the immediate solution to pass from the coaxial line (not shown) for supplying the signal at point A to the tree feed by lines 40 is to use the diagram in FIG. 6 with two main lines 41, 42 and 43, 44 crosswise in the center A 'of the antenna. Each section 41, 44, 42, 43 feeds a successive sector of the antenna around the center A '.
- FIG. 7 To remedy this, the geometry of FIG. 7 is therefore adopted.
- the main supply lines of two successive sectors are interconnected by a central line, 45 for lines 41 and 44 and 46 for lines 42 and 43, for form two groups from two successive sectors.
- a distribution line 47 connects the central point A to lines 45 and 46.
- This geometry of the supply lines significantly reduces the secondary lobes as can be seen in the diagram in FIG. 9 corresponding to the structure in FIG. 7.
- the level of the secondary lobes is always less than -16 dB.
- a network antenna with a small footprint and weight is obtained, with radome protection, a very wide bandwidth (greater than 10% for an ROS ⁇ 1, 5), a radiation diagram. of revolution and a low level of secondary lobes.
- the antenna according to the invention is not very sensitive to the positioning of the parasites which widen the bandwidth.
Landscapes
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/125,110 US6031491A (en) | 1996-12-12 | 1997-12-16 | Broadband printed array antenna |
DE69720982T DE69720982T2 (de) | 1996-12-17 | 1997-12-16 | Breitbandige gedruckte gruppenantenne |
JP10527399A JP2000505978A (ja) | 1996-12-17 | 1997-12-16 | 広帯域のプリント化アレイアンテナ |
EP97952073A EP0886889B1 (fr) | 1996-12-17 | 1997-12-16 | Antenne reseau imprimee large bande |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9615510A FR2757315B1 (fr) | 1996-12-17 | 1996-12-17 | Antenne reseau imprimee large bande |
FR96/15510 | 1996-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998027616A1 true WO1998027616A1 (fr) | 1998-06-25 |
Family
ID=9498762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1997/002314 WO1998027616A1 (fr) | 1996-12-12 | 1997-12-16 | Antenne reseau imprimee large bande |
Country Status (8)
Country | Link |
---|---|
US (1) | US6031491A (fr) |
EP (1) | EP0886889B1 (fr) |
JP (1) | JP2000505978A (fr) |
KR (1) | KR100453030B1 (fr) |
CN (1) | CN1211346A (fr) |
DE (1) | DE69720982T2 (fr) |
FR (1) | FR2757315B1 (fr) |
WO (1) | WO1998027616A1 (fr) |
Cited By (2)
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---|---|---|---|---|
DE19850895A1 (de) * | 1998-11-05 | 2000-05-11 | Pates Tech Patentverwertung | Mikrowellenantenne mit optimiertem Kopplungsnetzwerk |
US9685714B2 (en) | 2012-02-09 | 2017-06-20 | Ace Technologies Corporation | Radar array antenna |
Families Citing this family (28)
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FR2779578B1 (fr) * | 1998-06-04 | 2002-11-29 | Centre Nat Etd Spatiales | Procede pour la determination des amplitudes et phases des differentes voies d'un reseau d'emission de signaux electromagnetiques, tel qu'une antenne de satellite de telecommunication |
US6208313B1 (en) * | 1999-02-25 | 2001-03-27 | Nortel Networks Limited | Sectoral antenna with changeable sector beamwidth capability |
US6664932B2 (en) * | 2000-01-12 | 2003-12-16 | Emag Technologies, Inc. | Multifunction antenna for wireless and telematic applications |
US6388621B1 (en) | 2000-06-20 | 2002-05-14 | Harris Corporation | Optically transparent phase array antenna |
FR2811142B1 (fr) * | 2000-06-29 | 2002-09-20 | Thomson Multimedia Sa | Dispositif d'emission et/ou de reception d'ondes electromagnetiques alimente par un reseau realise en technologie microruban |
DE10052748A1 (de) * | 2000-10-25 | 2002-05-29 | Technisat Elektronik Thueringe | Planarantenne mit verbesserter Richtcharakteristik |
KR100461767B1 (ko) * | 2000-11-28 | 2004-12-14 | 주식회사 마이크로페이스 | 케이유밴드용 마이크로스트립 패치 어레이 안테나 |
US6667724B2 (en) * | 2001-02-26 | 2003-12-23 | Time Domain Corporation | Impulse radar antenna array and method |
KR100745043B1 (ko) * | 2001-10-26 | 2007-08-01 | 건수산업 주식회사 | 와이드밴드 통합 안테나 |
KR100442135B1 (ko) * | 2002-03-19 | 2004-07-30 | 에스케이 텔레콤주식회사 | 이동 통신 기지국용 다중 빔 배열 안테나 장치 |
US7705782B2 (en) * | 2002-10-23 | 2010-04-27 | Southern Methodist University | Microstrip array antenna |
US6943749B2 (en) * | 2003-01-31 | 2005-09-13 | M&Fc Holding, Llc | Printed circuit board dipole antenna structure with impedance matching trace |
US6850197B2 (en) * | 2003-01-31 | 2005-02-01 | M&Fc Holding, Llc | Printed circuit board antenna structure |
CN1736000A (zh) * | 2003-01-31 | 2006-02-15 | Ems技术公司 | 低价位天线阵列 |
US6947008B2 (en) * | 2003-01-31 | 2005-09-20 | Ems Technologies, Inc. | Conformable layered antenna array |
US7345632B2 (en) * | 2003-02-12 | 2008-03-18 | Nortel Networks Limited | Multibeam planar antenna structure and method of fabrication |
AU2003245796A1 (en) * | 2003-07-16 | 2005-02-04 | Huber + Suhner Ag | Dual polarised microstrip patch antenna |
TWM260885U (en) * | 2004-07-09 | 2005-04-01 | Inpaq Technology Co Ltd | Antenna structure |
US7423605B2 (en) * | 2006-01-13 | 2008-09-09 | Research In Motion Limited | Mobile wireless communications device including an electrically conductive director element and related methods |
EP2081251B1 (fr) * | 2008-01-15 | 2018-07-11 | HMD Global Oy | Antenne Patch |
EP2315312A1 (fr) * | 2009-10-22 | 2011-04-27 | Toyota Motor Europe NV | Antenne dotée d'un réseau d'éléments à faible population |
DE102010040809A1 (de) | 2010-09-15 | 2012-03-15 | Robert Bosch Gmbh | Planare Gruppenantenne mit in mehreren Ebenen angeordneten Antennenelementen |
US9124006B2 (en) * | 2011-03-11 | 2015-09-01 | Autoliv Asp, Inc. | Antenna array for ultra wide band radar applications |
CN103311663B (zh) * | 2013-05-16 | 2015-03-04 | 厦门大学 | 带加载孔的高阶改进型树状分形超宽带陷波天线 |
CN103646144B (zh) * | 2013-12-19 | 2017-03-08 | 西安电子科技大学 | 非周期阵列天线设计方法 |
KR102063826B1 (ko) * | 2014-01-23 | 2020-01-08 | 엘지이노텍 주식회사 | 레이더 시스템의 안테나 장치 |
CN105322291B (zh) * | 2014-07-24 | 2019-07-23 | 深圳光启创新技术有限公司 | 微带阵列天线 |
JP2016127453A (ja) * | 2015-01-05 | 2016-07-11 | 株式会社東芝 | アレーアンテナ装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US4052723A (en) * | 1976-04-26 | 1977-10-04 | Westinghouse Electric Corporation | Randomly agglomerated subarrays for phased array radars |
EP0307338A1 (fr) * | 1987-09-09 | 1989-03-15 | Centre Regional D'innovation Et De Transfert De Technologie En Electronique Et Communications De Bretagne Association Loi 1901 | Antenne plaque microonde, notamment pour radar Doppler |
EP0479696A1 (fr) * | 1990-10-03 | 1992-04-08 | Centre Regional D'innovation Et De Transfert De Technologie En Electronique Et Communications De Bretagne Loi 1901 (Critt) | Antenne plaque microonde, notamment pour radar Doppler |
DE4340825A1 (de) * | 1993-12-01 | 1995-06-08 | Rothe Lutz | Planare Strahleranordnung für den Direktempfang der TV-Signale des direktstrahlenden Satellitensystems TDF 1/2 |
Family Cites Families (6)
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US4083050A (en) * | 1976-09-01 | 1978-04-04 | The Bendix Corporation | Dual band monopole omni antenna |
US4686535A (en) * | 1984-09-05 | 1987-08-11 | Ball Corporation | Microstrip antenna system with fixed beam steering for rotating projectile radar system |
US4560445A (en) * | 1984-12-24 | 1985-12-24 | Polyonics Corporation | Continuous process for fabricating metallic patterns on a thin film substrate |
US5453754A (en) * | 1992-07-02 | 1995-09-26 | The Secretary Of State For Defence In Her Brittanic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Dielectric resonator antenna with wide bandwidth |
FR2726127B1 (fr) * | 1994-10-19 | 1996-11-29 | Asulab Sa | Antenne miniaturisee a convertir une tension alternative a une micro-onde et vice-versa, notamment pour des applications horlogeres |
US5838282A (en) * | 1996-03-22 | 1998-11-17 | Ball Aerospace And Technologies Corp. | Multi-frequency antenna |
-
1996
- 1996-12-17 FR FR9615510A patent/FR2757315B1/fr not_active Expired - Fee Related
-
1997
- 1997-12-16 KR KR10-1998-0706380A patent/KR100453030B1/ko not_active IP Right Cessation
- 1997-12-16 JP JP10527399A patent/JP2000505978A/ja active Pending
- 1997-12-16 US US09/125,110 patent/US6031491A/en not_active Expired - Lifetime
- 1997-12-16 DE DE69720982T patent/DE69720982T2/de not_active Expired - Lifetime
- 1997-12-16 WO PCT/FR1997/002314 patent/WO1998027616A1/fr active IP Right Grant
- 1997-12-16 EP EP97952073A patent/EP0886889B1/fr not_active Expired - Lifetime
- 1997-12-16 CN CN97192345A patent/CN1211346A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4052723A (en) * | 1976-04-26 | 1977-10-04 | Westinghouse Electric Corporation | Randomly agglomerated subarrays for phased array radars |
EP0307338A1 (fr) * | 1987-09-09 | 1989-03-15 | Centre Regional D'innovation Et De Transfert De Technologie En Electronique Et Communications De Bretagne Association Loi 1901 | Antenne plaque microonde, notamment pour radar Doppler |
EP0479696A1 (fr) * | 1990-10-03 | 1992-04-08 | Centre Regional D'innovation Et De Transfert De Technologie En Electronique Et Communications De Bretagne Loi 1901 (Critt) | Antenne plaque microonde, notamment pour radar Doppler |
DE4340825A1 (de) * | 1993-12-01 | 1995-06-08 | Rothe Lutz | Planare Strahleranordnung für den Direktempfang der TV-Signale des direktstrahlenden Satellitensystems TDF 1/2 |
Non-Patent Citations (1)
Title |
---|
DANIEL ET AL.: "Research on planar antennas and "Structures Rayonnantes"", IEEE ANTENNAS AND PROPAGATION MAGAZINE, vol. 35, no. 1, February 1993 (1993-02-01), NEW YORK US, pages 14 - 38, XP000303381 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19850895A1 (de) * | 1998-11-05 | 2000-05-11 | Pates Tech Patentverwertung | Mikrowellenantenne mit optimiertem Kopplungsnetzwerk |
US9685714B2 (en) | 2012-02-09 | 2017-06-20 | Ace Technologies Corporation | Radar array antenna |
Also Published As
Publication number | Publication date |
---|---|
EP0886889A1 (fr) | 1998-12-30 |
CN1211346A (zh) | 1999-03-17 |
JP2000505978A (ja) | 2000-05-16 |
KR19990082640A (ko) | 1999-11-25 |
US6031491A (en) | 2000-02-29 |
FR2757315A1 (fr) | 1998-06-19 |
DE69720982T2 (de) | 2004-02-19 |
FR2757315B1 (fr) | 1999-03-05 |
KR100453030B1 (ko) | 2004-12-16 |
EP0886889B1 (fr) | 2003-04-16 |
DE69720982D1 (de) | 2003-05-22 |
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