EP1346434A2 - Patch-antenne für den betrieb in mindestens zwei frequenzbereichen - Google Patents
Patch-antenne für den betrieb in mindestens zwei frequenzbereichenInfo
- Publication number
- EP1346434A2 EP1346434A2 EP01986872A EP01986872A EP1346434A2 EP 1346434 A2 EP1346434 A2 EP 1346434A2 EP 01986872 A EP01986872 A EP 01986872A EP 01986872 A EP01986872 A EP 01986872A EP 1346434 A2 EP1346434 A2 EP 1346434A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- patch
- feed
- frequency range
- antenna according
- patch antenna
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- 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
- H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
-
- 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
- H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
- H01Q9/0457—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means electromagnetically coupled to the feed line
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/378—Combination of fed elements with parasitic elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
-
- 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
- H01Q9/0414—Substantially flat resonant element parallel to ground plane, e.g. patch antenna in a stacked or folded configuration
Definitions
- the invention relates to a patch antenna for operation in at least two frequency ranges according to the preamble of claim 1.
- a patch antenna has also become known from EP 0 999 608 AI which, as a multifunction antenna, comprises a plurality of patch radiators arranged via a ground or a reflector and which is designed to receive corresponding electromagnetic waves for position data acquisition from geostationary satellites (GPS).
- GPS geostationary satellites
- the patch heaters are built up over a common mass.
- a generic patch antenna has become known from US-A- ⁇ , 054, 953. It includes a base plate. A patch for the transmission of the lower frequency range and a further patch for the transmission in the higher transmission range are arranged above the base plate. The patch for the transmission in the lower frequency band also serves as an active feed patch for the patch above for the transmission of the higher frequency band. Power is supplied via a common cross-slot structure in the base plate. In order to improve the coupling, a passive coupling patch is arranged between the feed point in the base plate and the patch for transmitting the lower frequency band.
- patch antennas are basically also from the document "SONG, HJ et al .: Ku-Band 16 x 16 Planar Array with Aperture-Coupled Microstrip-Patch Elements.
- RATHI, V. et al . I proved Coupling for Aperture Coupled Microstrip Antennas.
- the Schiitzausström serve the aperture coupling between the feed line and patch.
- the object of the present invention is to provide a patch antenna for operation in at least two frequency ranges, which is constructed as flat as possible, has a very large bandwidth and at the same time has the best possible radiation characteristic.
- the patch antenna according to the invention can in principle be operated in at least two frequency ranges.
- the design principle is equally suitable to be further expanded to include the antenna in more than two frequency ranges, e.g. to be able to operate in three frequency ranges.
- the overall structure is kept extremely flat, the antenna according to the invention nevertheless having an excellent antenna characteristic.
- each patch emitter arrangement is arranged on top of one another on a reflector, each patch emitter arrangement comprising at least one active feed patch and, above it, a capacitively coupled passive cover patch.
- An upper deck patch for each the lower frequency range serves as the base plate for the feed patch of the higher frequency range. It is also provided that there is a separate feed for each frequency range.
- the patch radiators have an at least approximately H-shaped slot structure or comprise at least one H-shaped slot structure. It has been shown that this can improve the radiation characteristics and increase the bandwidth.
- the cable feed to each active radiator patch is preferably carried out in the center, the cable being routed to the bottom in front of the feed point, that is to say preferably in the center of the feed patch, i.e. down over the edge of the respective food patch onto the reflector plate.
- a rectangular bracket is provided in the area of the central slot recess of the H-shaped slot in order to improve the adaptation (VSWR) or to increase the bandwidth on at least one of the patch radiators, preferably on the feed patch area located at the top ,
- the a leg covers at least a partial length at a distance from the central slot of the H-shaped slot structure in parallel with it, the vertical leg being returned perpendicularly to the patch and fastened there, specifically at the edge region of the central slot.
- a solution has been found in a completely surprising manner that makes it possible to further reduce the water sensitivity of the antenna.
- part of the surface is cut out in the top patch patch of the system, which is tuned to the highest frequency.
- a frame-shaped cover patch structure is thus preferred.
- the deck patch of a lower frequency in the form of a trough, in which case the feed patch of the higher-frequency system can then be used in this trough-shaped design.
- the feed systems are fed separately with one feed cable each, so that each of the two systems has a separate connection.
- the separate power cables can also be used a duplexer integrated in the antenna or a cable network so that the entire antenna is provided with a single connection.
- the frequency ratio of the patch radiators can be 1: 2, for example.
- the base plate of the patch antenna element arrangement is formed of the lowest frequency range by the reflector.
- a base plate sitting on the reflector or in front of the reflector can also be provided here, which then also acts again as a species reflector.
- Figure 1 A schematic perspective view of a patch antenna according to the invention
- Figure 2 is a cross-sectional view through the embodiment of Figure 1 in the area of the individual support elements; 3a shows a plan view of the active feed patch of the patch radiator provided for the lower frequency range;
- Figure 3b a corresponding bottom view of the in
- Figure 4 is a plan view of the deck patch of the lower patch emitter
- FIG. 5a a top view of the feed patch of the patch radiator arrangement provided for the higher frequency range
- FIG. 5b a bottom view of the feed patch shown in FIG. 5a.
- Figure 6 a vertical sectional view through 90 ° to Figure 2 through the upper food patch.
- FIG. 1 shows a schematic perspective illustration of the overall structure of the antenna with a reflector plate, that is to say a reflector 1 which, in the exemplary embodiment shown, is provided with an edge strip 1 'which is formed on two opposite longitudinal edges and extends essentially transversely or perpendicularly to the plane of the reflector plate is.
- a first patch radiator arrangement 5 for the lower frequency range for example for the GSM -Frequency range (870 - 960 MHz)
- a further, even smaller dimensioned patch emitter arrangement 7 for a higher frequency range for example for the PCN and UMTS frequency range (1710 MHz, 2170 MHz etc.).
- Each of the two patch radiator arrangements 5 and 7 is constructed as a double patch radiator arrangement, specifically with an active feed patch 5a or 7a and an overlying only capacitively coupled and thus passive cover patch 5b or 7b.
- FIGS. 3a and 3b show the larger feed patch 5a which is intended for the lower frequency range.
- the food patch is designed as a rectangular sheet in which an H-shaped slot structure 11 is incorporated.
- the center slot 11a extends in the transverse direction of the reflector 1, that is to say in the exemplary embodiment shown transversely to the edge strip 1 'of the reflector 1.
- parallel parallel slots 11b are worked in transversely thereto on both sides.
- the cable feed for this feed patch 5a takes place separately via a coaxial feed cable 15a which is connected to the reflector 1, ie in particular along its edge strip 1 'and then centrally to the edge of the feed patch 5a from there is laid in the direction of the H-shaped slot structure 11.
- the cable is preferably at least approximately in a coaxial extension to the center slot 11a on the underside in the direction of the center slot 11a and then in a V-shaped or U-shaped loop 15'a around one end of the initially the parallel slot 11b.
- the coaxial cable then preferably ends in the middle of the center slot 11a on one side of the slot recess where the outer conductor 115a is electrically contacted.
- the inner conductor 115b is guided transversely to the longitudinal extent of the center slot 11a and electrically contacted with the feed patch on the opposite side of the center slot.
- each of the two stub lines is arranged parallel at least to the end section of the feed cable 15a in such a way that the respective inner conductor 215 "a bridges the middle slot 11a parallel to the inner conductor 115" a of the feed cable 15a and is electrically contacted with the patch on the opposite side of the slot 11a , in front of the slot of the outer conductor 215 'a of the respective stub 215a being electrically contacted with the patch.
- the feed patch 5a is mounted on the reflector 1 and the cover patch 5b located above it, the transverse dimensions of which are approximately the same, the longitudinal dimensions typically being shorter.
- the further patch emitter arrangement 7 is now placed on this cover patch 5 b of the lower patch emitter arrangement 5. builds, which is also designed as a double patch arrangement with a feed patch 7a and a covering patch 7b covering this.
- the cover patch of the respective lower patch radiator arrangement 5 for the lower frequency range simultaneously forms the base plate for the patch radiator arrangement 7 based thereon for the higher frequency range.
- the patch radiator arrangement 7 includes in detail with the patch radiator arrangement 5 a significantly smaller-sized rectangular feed patch 7a, which likewise again has an H-shaped slit structure 13 with a central slit 13a and two parallel slits 13b at the end thereof, which extend beyond the central slit on both sides is so that the center slot 13a comes to lie parallel to and above the center slot 11a of the lower patch radiator arrangement 5.
- the feed is also carried out as in the lower patch radiator arrangement 5, namely via a separate feed cable 15b, which, in the same way, coming from the central section of the center slot 13a, is V-shaped or U-shaped (bend 15 'b) around one end of the parallel slot 11b to the center of the feed patch 13a and from there in extension of the center slot 13a to the edge of the feed patch 7a as symmetrically as possible and from there to the bottom, ie is guided on the reflector plate 1.
- the cable is fed to the feed patch from the opposite side of the reflector 1, that is to say from the opposite side compared to the feed cable 15a.
- a spur line 215b also starts here at the bend 15 'b parallel to the feed cable 15b is arranged, the inner conductor 215 "b parallel to the inner conductor 115" b of the feed cable 15b bridges the slot 13a and is contacted on the opposite side of the feed patch, whereas the outer conductor 215 'b on the stub 215b on the same side as the outer conductor 115' b of the feed cable 15b is contacted with the patch.
- the illustrated feed patch 7a is held and anchored on the cover patch 5b via two column-like spacers 23 which are offset and preferably also lie in the vertical plane formed by the center slots.
- cover patch 7b is again formed, which is held by further spacers 24 relative to the food patch 7a carrying it.
- the cover patch 7b is frame-shaped with the formation of a central opening 27 and is held by two tabs 29 projecting laterally from the frame 28 in a parallel direction to the central slots 11a, 13a located below, which are supported on the spacers 24.
- This rectangular design of the ceiling patch 7b on top results in the completely surprising effect of a significant improvement in the adaptation (VSWR) and a significantly lower sensitivity to water and rain, so that there is a housing cover (plastic housing, etc.) Covering the entire antenna arrangement .) results in a significantly reduced water dependency of the antenna.
- the two supply cables 15a, 15b are guided in the longitudinal direction of the reflector 1 to a connection end at which two connections 35a, 35b are provided for the electrical supply to the two patch radiator arrangements.
- this can be on the right in the illustration according to FIG. 1, it being possible for the corresponding feeder cables 15a and 15b to end in corresponding plug-in connections on an end plate which closes the reflector plate on the right and projects vertically upward to the reflector plane, for example adjacent to the two reflector edges 1 '.
- both feed cables 15a, 15b can be brought together via a duplexer, so that only a single connection is necessary.
- a housing cover is mounted over the entire arrangement as a protective device.
- an electrically conductive bracket 37 with a rectangular cross-section is provided on the feed patch 7a at the top parallel to the associated center slot 13a whose parallel web 37a, which is arranged parallel to the reflector plane, covers the central slot 13a parallel to it at a distance and whose vertical leg 37b carrying it is anchored and mechanically contacted on the associated feed patch 7a parallel to the central slot 13a on one edge side thereof.
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10064128 | 2000-12-21 | ||
DE10064128A DE10064128A1 (de) | 2000-12-21 | 2000-12-21 | Patch-Antenne für den Betrieb in mindestens zwei Frequenzbereichen |
PCT/EP2001/014688 WO2002050940A2 (de) | 2000-12-21 | 2001-12-13 | Patch-antenne für den betrieb in mindestens zwei frequenzbereichen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1346434A2 true EP1346434A2 (de) | 2003-09-24 |
EP1346434B1 EP1346434B1 (de) | 2005-02-16 |
Family
ID=7668353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01986872A Expired - Lifetime EP1346434B1 (de) | 2000-12-21 | 2001-12-13 | Patch-antenne für den betrieb in mindestens zwei frequenzbereichen |
Country Status (10)
Country | Link |
---|---|
US (1) | US6861988B2 (de) |
EP (1) | EP1346434B1 (de) |
KR (1) | KR100912170B1 (de) |
CN (1) | CN1249853C (de) |
AT (1) | ATE289452T1 (de) |
AU (1) | AU3842802A (de) |
BR (1) | BR0116400A (de) |
DE (2) | DE10064128A1 (de) |
ES (1) | ES2236336T3 (de) |
WO (1) | WO2002050940A2 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2841688B1 (fr) * | 2002-06-28 | 2006-06-30 | Antennes Ft | Antenne plane du type patch, notamment pour l'emission et/ou la reception de signaux de television terrestre numerique et/ou analogique |
JP2004266333A (ja) * | 2003-01-30 | 2004-09-24 | Matsushita Electric Ind Co Ltd | アンテナ装置 |
WO2005008835A1 (en) * | 2003-07-22 | 2005-01-27 | Psion Teklogix Inc. | Internal antenna with slots |
US7027004B2 (en) | 2003-12-18 | 2006-04-11 | Kathrein-Werke Kg | Omnidirectional broadband antenna |
US7132995B2 (en) | 2003-12-18 | 2006-11-07 | Kathrein-Werke Kg | Antenna having at least one dipole or an antenna element arrangement similar to a dipole |
US7015871B2 (en) | 2003-12-18 | 2006-03-21 | Kathrein-Werke Kg | Mobile radio antenna arrangement for a base station |
DE10359623A1 (de) * | 2003-12-18 | 2005-07-21 | Kathrein-Werke Kg | Mobilfunk-Antennenanordnung für eine Basisstation |
US6977613B2 (en) * | 2003-12-30 | 2005-12-20 | Hon Hai Precision Ind. Co., Ltd. | High performance dual-patch antenna with fast impedance matching holes |
JP4348282B2 (ja) * | 2004-06-11 | 2009-10-21 | 株式会社日立製作所 | 無線用icタグ、及び無線用icタグの製造方法 |
DE102005010894B4 (de) * | 2005-03-09 | 2008-06-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Planare Mehrbandantenne |
DE102005010895B4 (de) * | 2005-03-09 | 2007-02-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aperturgekoppelte Antenne |
US7505008B2 (en) * | 2005-09-26 | 2009-03-17 | Electronics And Telecommunications Research Institute | Electrical loop antenna with unidirectional and uniform current radiation source |
TWI312594B (en) * | 2006-04-21 | 2009-07-21 | Hon Hai Prec Ind Co Ltd | Dual-band printed antenna |
CN101165966B (zh) * | 2006-10-18 | 2011-07-27 | 鸿富锦精密工业(深圳)有限公司 | 耦合式馈入天线 |
US7626549B2 (en) * | 2007-03-28 | 2009-12-01 | Eswarappa Channabasappa | Compact planar antenna for single and multiple polarization configurations |
US7994999B2 (en) * | 2007-11-30 | 2011-08-09 | Harada Industry Of America, Inc. | Microstrip antenna |
DE102009005045A1 (de) * | 2009-01-13 | 2010-07-15 | Wilhelm Sihn Jr. Gmbh & Co. Kg | Patchantenne |
DE102009006988A1 (de) * | 2009-01-31 | 2010-08-05 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Dual-Band-Antenne, insbesondere für Satellitennavigationsanwendungen |
EP2643886B1 (de) * | 2010-11-22 | 2015-01-14 | Commissariat à l'Énergie Atomique et aux Énergies Alternatives | Flachantenne mit erweiterter bandbreite |
KR101428928B1 (ko) * | 2013-03-29 | 2014-08-11 | 한양대학교 산학협력단 | 인체통신용 이중대역 중계기 안테나 |
CN103490143B (zh) * | 2013-09-27 | 2015-11-11 | 佛山市蓝波湾金科技有限公司 | 一种阵列天线 |
JP6058573B2 (ja) * | 2014-03-13 | 2017-01-11 | 株式会社東芝 | アンテナおよび電子機器 |
KR101609665B1 (ko) * | 2014-11-11 | 2016-04-06 | 주식회사 케이엠더블유 | 이동통신 기지국 안테나 |
CN108352622B (zh) * | 2015-11-23 | 2020-05-22 | 上海深迅通信技术有限公司 | 天线单元及天线阵列 |
US10461438B2 (en) * | 2016-03-17 | 2019-10-29 | Communication Components Antenna Inc. | Wideband multi-level antenna element and antenna array |
US10256522B2 (en) * | 2016-03-22 | 2019-04-09 | Huawei Technologies Co., Ltd. | Vertical combiner for overlapped linear phased array |
US10439287B2 (en) * | 2017-12-21 | 2019-10-08 | Nxgen Partners Ip, Llc | Full duplex using OAM |
KR20210001607A (ko) * | 2019-06-28 | 2021-01-06 | 삼성전자주식회사 | 안테나 구조 및 이를 포함하는 전자 장치 |
US11264724B2 (en) * | 2020-07-20 | 2022-03-01 | TE Connectivity Services Gmbh | Omnidirectional antenna assembly |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2030963C (en) | 1989-12-14 | 1995-08-15 | Robert Michael Sorbello | Orthogonally polarized dual-band printed circuit antenna employing radiating elements capacitively coupled to feedlines |
US5153600A (en) | 1991-07-01 | 1992-10-06 | Ball Corporation | Multiple-frequency stacked microstrip antenna |
US5323168A (en) * | 1992-07-13 | 1994-06-21 | Matsushita Electric Works, Ltd. | Dual frequency antenna |
GB9220414D0 (en) * | 1992-09-28 | 1992-11-11 | Pilkington Plc | Patch antenna assembly |
US5661493A (en) * | 1994-12-02 | 1997-08-26 | Spar Aerospace Limited | Layered dual frequency antenna array |
ES2114717T3 (es) * | 1995-04-20 | 1998-06-01 | Fuba Automotive Gmbh | Disposicion de antenas planas. |
SE521407C2 (sv) * | 1997-04-30 | 2003-10-28 | Ericsson Telefon Ab L M | Mikrovägantennsystem med en plan konstruktion |
AU3838999A (en) * | 1998-05-11 | 1999-11-29 | Csa Limited | Dual-band microstrip antenna array |
SE9802883L (sv) * | 1998-08-28 | 2000-02-29 | Ericsson Telefon Ab L M | Antennanordning |
FR2785451B1 (fr) | 1998-11-04 | 2007-05-11 | Thomson Csf | Antenne imprimee multifonctions |
US6054953A (en) * | 1998-12-10 | 2000-04-25 | Allgon Ab | Dual band antenna |
US6087990A (en) * | 1999-02-02 | 2000-07-11 | Antenna Plus, Llc | Dual function communication antenna |
US6211824B1 (en) * | 1999-05-06 | 2001-04-03 | Raytheon Company | Microstrip patch antenna |
GB2352091B (en) * | 1999-07-10 | 2003-09-17 | Alan Dick & Company Ltd | Patch antenna |
JP2001217607A (ja) * | 2000-02-03 | 2001-08-10 | Ngk Insulators Ltd | アンテナ装置 |
US6639558B2 (en) * | 2002-02-06 | 2003-10-28 | Tyco Electronics Corp. | Multi frequency stacked patch antenna with improved frequency band isolation |
-
2000
- 2000-12-21 DE DE10064128A patent/DE10064128A1/de not_active Withdrawn
-
2001
- 2001-12-13 CN CNB018210929A patent/CN1249853C/zh not_active Expired - Lifetime
- 2001-12-13 WO PCT/EP2001/014688 patent/WO2002050940A2/de not_active Application Discontinuation
- 2001-12-13 US US10/450,049 patent/US6861988B2/en not_active Expired - Lifetime
- 2001-12-13 BR BR0116400-7A patent/BR0116400A/pt not_active IP Right Cessation
- 2001-12-13 AT AT01986872T patent/ATE289452T1/de not_active IP Right Cessation
- 2001-12-13 EP EP01986872A patent/EP1346434B1/de not_active Expired - Lifetime
- 2001-12-13 DE DE50105395T patent/DE50105395D1/de not_active Expired - Lifetime
- 2001-12-13 AU AU3842802A patent/AU3842802A/xx not_active Withdrawn
- 2001-12-13 KR KR1020037007022A patent/KR100912170B1/ko not_active IP Right Cessation
- 2001-12-13 ES ES01986872T patent/ES2236336T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
SAINATI R.A.: "CAD of Microstrip Antennas for Wireless Applications", part 6.6 ISBN: 0-89006-562-4, article "STACKED PATCH CONFIGURATIONS", pages: 150 - 159, XP002970919 |
Also Published As
Publication number | Publication date |
---|---|
US6861988B2 (en) | 2005-03-01 |
KR100912170B1 (ko) | 2009-08-14 |
US20040027292A1 (en) | 2004-02-12 |
WO2002050940A3 (de) | 2002-08-29 |
KR20030064792A (ko) | 2003-08-02 |
BR0116400A (pt) | 2003-11-11 |
DE50105395D1 (de) | 2005-03-24 |
AU3842802A (en) | 2002-07-01 |
DE10064128A1 (de) | 2002-07-25 |
CN1249853C (zh) | 2006-04-05 |
ATE289452T1 (de) | 2005-03-15 |
ES2236336T3 (es) | 2005-07-16 |
CN1483230A (zh) | 2004-03-17 |
WO2002050940A2 (de) | 2002-06-27 |
EP1346434B1 (de) | 2005-02-16 |
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