EP1346434B1 - Patch antenna for operating in at least two frequency ranges - Google Patents
Patch antenna for operating in at least two frequency ranges Download PDFInfo
- Publication number
- EP1346434B1 EP1346434B1 EP01986872A EP01986872A EP1346434B1 EP 1346434 B1 EP1346434 B1 EP 1346434B1 EP 01986872 A EP01986872 A EP 01986872A EP 01986872 A EP01986872 A EP 01986872A EP 1346434 B1 EP1346434 B1 EP 1346434B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- patch
- patch antenna
- frequency band
- antenna element
- feed
- 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.)
- Expired - Lifetime
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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 generic term of claim 1.
- Dipole antennas are basically also antennas in planar design, namely so-called patch antennas known.
- EP 0 999 608 A1 also discloses a patch antenna became known as a multi-functional antenna several arranged over a mass or a reflector Patch radiator comprises, for receiving corresponding electromagnetic waves for position data acquisition of geostationary satellite (GPS) is designed.
- GPS geostationary satellite
- the patch radiators are built on a common mass.
- a generic patch antenna is known from the patent US-A-6, 054, 953 known become. It includes a base plate. Above the base plate is a patch for the transmission of the lower frequency range and about this another patch for transmission in the higher transmission range arranged. The patch for transmission in the low frequency band serves as an active food patch for the above patch for the transmission of the higher frequency band. The feeding takes place via a common Phillips structure in the base plate. To the coupling is to improve between the feed point in the Base plate and the patch to transfer the lower Frequency band still arranged a passive coupling patch.
- a multi-band antenna with jacked patch radiators is from the WO 00/13260 known.
- the object of the present invention is a patch antenna for operation in at least two frequency ranges to create, which is as flat as possible, one has very large bandwidth and at the same time one possible has good radiation characteristics.
- the patch antenna according to the invention can basically in operated at least two frequency ranges.
- the design principle is equally suitable to be upgraded to the antenna in more than two Frequency ranges, e.g. operate in three frequency ranges to be able to.
- the overall structure is extremely flat held, wherein the antenna according to the invention nonetheless has excellent antenna characteristics.
- each patch radiator array at least an active food patch and above that a capacitive coupled passive Cover patch includes.
- An upper deck patch for each each lower frequency range also serves as Base plate for the food patch of the respective higher frequency range. It is also envisaged that for each frequency range a separate feed takes place.
- a feed in to make a food patch on a rectangular slot wherein on one side of the slot of the outer conductor the coaxial cable is electrically contacted and the inner conductor centered and transverse to the slot arrangement passed over this and on the opposite Edge side of the slot is contacted on the patch.
- the patch emitters a at least approximately H-shaped slot structure or at least comprise an H-shaped slot structure. It has been shown that thereby the radiation characteristics improved and the bandwidth increased can be.
- stub lines provided that in a part length to the respective Supply line parallel to this provided or connected are.
- the cable feed to each active Radiator patch preferably takes place centrally, the cable before the feed point, so preferably in the middle of the food patch is guided by reason, i. centered over the edge of the respective food patches down on the reflector plate.
- a right angle bracket is provided.
- a leg covers at least a partial length in Distance the middle slot of the H-shaped slot structure in parallel to this, with the vertical leg returned vertically to the food patch and there is attached, namely at the edge region of the middle Slot recess.
- the deckpatch a trough-shaped lower frequency, wherein in this trough - shaped design then the food patch of the higher frequency system can be used.
- the feed systems separately fed with a power cable, so that each of the two systems has a separate connection.
- the separate supply cables can also over a duplexer or cable network integrated into the antenna be joined together so that the overall antenna provided with a single connection.
- the frequency ratio of the patch radiator for example, be 1: 2.
- the base plate of the patch radiator arrangement for the lowest frequency range is formed by the reflector. But it can also be here one sitting on the reflector or in front of the reflector Base plate be provided, but then again acts as a kind of reflector.
- Figure 1 is a schematic perspective view the overall structure of the antenna with a reflector plate shown, ie a reflector 1, in the embodiment shown with one on two opposite Longitudinal edges formed, substantially transverse or perpendicular to the reflector plate plane extending edge strips 1 'is provided.
- Each of the two Patchstrahleran isten 5 and 7 is as Dual patch emitter assembly constructed, respectively with an active food patch 5a or 7a and one above located only capacitively coupled and thus passive Deck patch 5b or 7b.
- the larger-sized and provided for the lower frequency range food patch 5a is designed as a rectangular plate in which an H-shaped slot structure 11 is incorporated.
- Center slot 11a extends in the transverse direction of the Reflektors 1, in the embodiment shown so transversely to the edge strip 1 'of the reflector 1. At the ends this central slot 11a are transverse thereto on both sides incorporated continuously extending parallel slots 11b.
- the cable feed takes place for this Food patch 5a separately via a coaxial feed cable 15a, which on the reflector 1, i.
- H-shaped Slot structure 11 is laid running. That's it Cable preferably at least approximately in coaxial Extension to the center slot 11a on the bottom towards the center slot 11a and then in a V or U-shaped Loop 15'a around the one end of the next one Parallel slot 11b laid.
- the coaxial cable then ends preferably 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 transverse to the longitudinal extent of the center slot 11a this led away and on the opposite side the center slot electrically contacted with the food patch.
- each of the two stubs is like that parallel at least to the end portion of the feed cable 15a arranged that the respective inner conductor 215 "a parallel to the center conductor 115 "a of the feeder cable 15a Slot 11a bridged and on the opposite Side of the slot 11 a electrically contacted with the patch is, wherein before the slot of the outer conductor 215'a the respective stub 215a with the patch electrically is contacted.
- the further patch radiator arrangement 7 is now constructed, which also as a double patch Anorndung with a Food patch 7a and this covering cover patch 7b is trained.
- the deckpatch forms the respective one lower patch radiator assembly 5 for the lower frequency range at the same time the base plate for the on it constituting Patchstrahleran Aunt 7 for the higher frequency range.
- the Patchstrahleran Aunt 7 includes in detail with the Patchstrahleran Aunt 5 a much smaller dimensioned rectangular food patch 7a, which also again with an H-shaped slot structure 13 with a Center slot 13a and two at the end of the center slot in each case parallel slots extending to both sides 13b is provided so that the center slot 13a parallel to and above the central slot 11a of FIG bottom patch radiator assembly 5 comes to rest.
- the Infeed also takes place as in the lower patch radiator arrangement 5, namely a separate feed cable 15b, which in the same way from the middle section of the central slot 13a coming V- or U-shaped (Arc 15'b) around the one end of the parallel slot 11b to the middle of the food patch 13a and from there in extension of the central slot 13a to the edge of the food patch 7a as symmetrical as possible and from there to ground, i. is guided on the reflector sheet 1.
- This is the cable from the opposite side of the reflector 1 the Fed feeding patch, ie from the opposite Page compared to the feeder cable 15a.
- the illustrated food patch 7a is offset over two and also preferably in the through the center slots formed vertical plane lying columnar Spacer 23 is held and anchored on the deck patch 5b.
- the Deckpatch 7b is frame-shaped to form a Center opening 27 designed and is about two laterally from the Frame 28 in parallel to the underlying Center slots 11a, 13a projecting tabs 29 held which are supported on the spacers 24.
- the two feeder cables 15a, 15b in the longitudinal direction of the reflector 1 to a terminal end guided, at which two terminals 35a, 35b for the electrical supply of the two Patchstrahleranssenen are provided.
- This can, for example, in the Representation according to Figure 1 right-lying, where on one the reflector sheet right final and Reflector level vertically upwards protruding end plate for example, adjacent to the two reflector edges 1 'the corresponding feeder cables 15a and 15b in corresponding plug connections can end.
- both supply cables 15a, 15b via a duplexer be merged, so that only a single connection necessary is.
- a housing cover as Schutz. responded assembled.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
Die Erfindung betrifft eine Patch-Antenne für den Betrieb
in mindestens zwei Frequenzbereichen nach dem Oberbegriff
des Anspruches 1.The invention relates to a patch antenna for operation
in at least two frequency ranges according to the generic term
of
Es ist hinlänglich bekannt, dass zur Übertragung von Informationen im Mobilfunkbereich verschiedene Frequenzbereiche zur Verfügung stehen, nämlich z.B. im europäischen Bereich das 900 MHz Band wie aber auch das 1800 MHz Band. Insbesondere im USA-Bereich erfolgt die Mobilfunk-Übertragung im sogenannten 1900 MHz Band. Für den zukünftig geplanten UMTS-Standard steht das 2000 MHz Band bereit.It is well known that for the transmission of information in the mobile sector different frequency ranges are available, namely e.g. in the European Range the 900 MHz band as well as the 1800 MHz Tape. Particularly in the USA area the portable radio transmission takes place in the so-called 1900 MHz band. For the future planned UMTS standard is the 2000 MHz band ready.
Abgesehen von in zwei Frequenzbereichen betreibbaren bekannten Dipolantennen sind grundsätzlich auch Antennen in planarer Ausführung, nämlich sogenannte Patch-Antennen bekannt. Apart from known in two frequency ranges operable Dipole antennas are basically also antennas in planar design, namely so-called patch antennas known.
Grundsätzlich ist auch aus der EP 0 999 608 A1 eine Patch-Antenne bekannt geworden, die als Multifunktionsantenne mehrere über eine Masse oder einen Reflektor angeordnete Patchstrahler umfasst, die zum Empfang entsprechender elektromagnetischer Wellen für Positionsdatenerfassung von geostationären Satelliten (GPS) ausgelegt ist. Die Patchstrahler sind dabei über einer gemeinsamen Masse aufgebaut.Basically, EP 0 999 608 A1 also discloses a patch antenna became known as a multi-functional antenna several arranged over a mass or a reflector Patch radiator comprises, for receiving corresponding electromagnetic waves for position data acquisition of geostationary satellite (GPS) is designed. The patch radiators are built on a common mass.
Eine gattungsbildende Patchantenne ist aus der Patentschrift US-A-6, 054, 953 bekannt geworden. Sie umfasst eine Grundplatte. Über der Grundplatte ist ein Patch für die Übertragung des niederen Frequenzbereiches und darüber ein weiteres Patch für die Übertragung im höheren Sendebereich angeordnet. Das Patch für die Übertragung im niederen Frequenzband dient gleichzeitig als aktives Speisepatch für das darüber befindliche Patch für die Übertragung des höheren Frequenzbandes. Die Speisung erfolgt über eine gemeinsame Kreuzschlitzstruktur in der Grundplatte. Um die Kopplung zu verbessern ist zwischen der Einspeisstelle in der Grundplatte und dem Patch zur Übertragung des niedrigeren Frequenzbandes noch ein passives Kopplungspatch angeordnet.A generic patch antenna is known from the patent US-A-6, 054, 953 known become. It includes a base plate. Above the base plate is a patch for the transmission of the lower frequency range and about this another patch for transmission in the higher transmission range arranged. The patch for transmission in the low frequency band serves as an active food patch for the above patch for the transmission of the higher frequency band. The feeding takes place via a common Phillips structure in the base plate. To the coupling is to improve between the feed point in the Base plate and the patch to transfer the lower Frequency band still arranged a passive coupling patch.
Eine Multibandantenne mit gestockten Patchstrahlern ist aus der WO 00/13260 bekannt.A multi-band antenna with jacked patch radiators is from the WO 00/13260 known.
Die elektrischen Eigenschaften einer derartigen Antenne weisen aber auch noch Nachteile auf, da die gewünschte Bandbreite sich nicht realisieren lässt.The electrical properties of such an antenna but also have disadvantages because the desired Bandwidth can not be realized.
Patchantennen sind ansonsten grundsätzlich auch noch aus der Entgegenhaltung "SONG, H.J. et al.: Ku-Band 16 x 16 Planar Array with Aperture-Coupled Microstrip-Patch Elements. In: IEEE Antennas and Propagation Magazine, Vol. 40, No. 5, October 1998, S. 25 bis 29" und aus der Entgegenhaltung "RATHI, V. et al.: Improved Coupling for Aperture Coupled Microstrip Antennas. In: IEEE Transactions on Antennas and Propagation, Vol. 44, No. 8, August 1996, S. 1196 bis 1198" bekannt, die unterschiedlichen Schlitzausnehmungen zum Einspeisen beschreiben. Die Schlitzausnehmungen dienen hierbei jedoch der Aperturkopplung zwischen Anspeiseleitung und Patch.Patch antennas are otherwise basically still out the citation "SONG, H.J. et al .: Ku-band 16 x 16 Planar Array with Aperture-Coupled Microstrip Patch Elements. In: IEEE Antennas and Propagation Magazine, Vol. 40, no. 5, October 1998, pages 25 to 29 "and from the citation "RATHI, V. et al .: Improved Coupling for Aperture Coupled Microstrip Antennas. In: IEEE Transactions on Antennas and Propagation, Vol. 8th August 1996, p. 1196 to 1198 ", the different Describe slot recesses for feeding. The Slot recesses serve here but the Aperturkopplung between feed line and patch.
Aufgabe der vorliegenden Erfindung ist es, eine Patch-Antenne für den Betrieb in zumindest zwei Frequenzbereichen zu schaffen, die möglichst flach aufgebaut ist, eine sehr große Bandbreite aufweist und gleichzeitig eine möglichst gute Strahlungscharakteristik aufweist.The object of the present invention is a patch antenna for operation in at least two frequency ranges to create, which is as flat as possible, one has very large bandwidth and at the same time one possible has good radiation characteristics.
Die Aufgabe wird erfindungsgemäß entsprechend den im Anspruch
1 angegebenen Merkmalen gelöst. Vorteilhafte Ausgestaltungen
sind in den Unteransprüchen angegeben.The object is according to the invention in the
Die erfindungsgemäße Patch-Antenne kann grundsätzlich in zumindest zwei Frequenzbereichen betrieben werden. Das Konstruktionsprinzip ist gleichermaßen auch geeignet weiter ausgebaut zu werden, um die Antenne in mehr als zwei Frequenzbereichen, z.B. in drei Frequenzbereichen betreiben zu können. Dabei ist der Gesamtaufbau höchst flach gehalten, wobei die erfindungsgemäße Antenne gleichwohl eine hervorragende Antennencharakteristik aufweist.The patch antenna according to the invention can basically in operated at least two frequency ranges. The The design principle is equally suitable to be upgraded to the antenna in more than two Frequency ranges, e.g. operate in three frequency ranges to be able to. The overall structure is extremely flat held, wherein the antenna according to the invention nonetheless has excellent antenna characteristics.
Erfindungsgemäß ist dazu vorgesehen, dass auf einem Reflektor die zumindest beiden Patch-Strahleranordnungen aufeinander aufbauend angeordnet sind, wobei jede Patch-Strahleranordnung zumindest ein aktives Speisepatch und darüber befindlich ein kapazitiv gekoppeltes passives Deckpatch umfasst. Ein jeweils oberes Deckpatch für den jeweils unteren Frequenzbereich dient gleichzeitig als Grundplatte für das Speisepatch des jeweils höheren Frequenzbereiches. Zudem ist vorgesehen, dass für jeden Frequenzbereich eine separate Anspeisung erfolgt.According to the invention it is provided that on a reflector the at least two patch emitter arrays arranged on top of each other, each patch radiator array at least an active food patch and above that a capacitive coupled passive Cover patch includes. An upper deck patch for each each lower frequency range also serves as Base plate for the food patch of the respective higher frequency range. It is also envisaged that for each frequency range a separate feed takes place.
Nach dem Stand der Technik ist bekannt, eine Anspeisung in einem Speisepatch an einem rechteckförmigen Schlitz vorzunehmen, wobei an der einen Seite des Schlitzes der Außenleiter des koaxialen Kabels elektrisch kontaktiert ist und der Innenleiter mittig und quer zur Schlitzanordnung über diesen hinweg geführt und an der gegenüberliegenden Randseite des Schlitzes am Patch kontaktiert ist. Erfindungsgemäß ist vorgesehen, dass die Patchstrahler eine zumindest annäherungsweise H-förmige Schlitzstruktur aufweisen oder zumindest eine H-förmige Schlitzstruktur umfassen. Es hat sich gezeigt, dass dadurch die Strahlencharakteristik verbessert sowie die Bandbreite vergrößert werden können.According to the prior art is known, a feed in to make a food patch on a rectangular slot, wherein on one side of the slot of the outer conductor the coaxial cable is electrically contacted and the inner conductor centered and transverse to the slot arrangement passed over this and on the opposite Edge side of the slot is contacted on the patch. According to the invention is provided that the patch emitters a at least approximately H-shaped slot structure or at least comprise an H-shaped slot structure. It has been shown that thereby the radiation characteristics improved and the bandwidth increased can be.
Zur Erzielung einer verbesserten Entkopplung der auf verschiedene Frequenzbereiche abgestimmten Patch-Strahleranordnung sind dabei erfindungsgemäß Stichleitungen vorgesehen, die in einer Teillänge zur jeweiligen Speiseleitung parallel zu dieser vorgesehen bzw. angeschlossen sind.To achieve an improved decoupling of the various Frequency ranges matched patch emitter array are according to the invention stub lines provided that in a part length to the respective Supply line parallel to this provided or connected are.
In einer bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass die Kabelanspeisung zu jedem aktiven Strahlerpatch bevorzugt mittig erfolgt, wobei das Kabel vor der Anspeisestelle, also bevorzugt mittig vom Speisepatch auf Grund geführt wird, d.h. mittig über den Rand des jeweiligen Speisepatches herunter auf das Reflektorblech.In a preferred embodiment of the invention provided that the cable feed to each active Radiator patch preferably takes place centrally, the cable before the feed point, so preferably in the middle of the food patch is guided by reason, i. centered over the edge of the respective food patches down on the reflector plate.
In einer Weiterbildung der Erfindung ist vorgesehen, dass zur Verbesserung der Anpassung (VSWR) bzw. der Erhöhung der Bandbreite an zumindest einem der Patchstrahler, vorzugsweise an dem zuoberst liegenden Speisepatchbereich,. im Bereich der mittleren Schlitzausnehmung des H-förmigen Schlitzes ein rechtwinkeliger Bügel vorgesehen ist. Der eine Schenkel überdeckt zumindest in einer Teillänge im Abstand den mittleren Schlitz der H-förmigen Schlitzstruktur in Parallellage zu diesem, wobei der vertikale Schenkel senkrecht auf das Speisepatch rückgeführt und dort befestigt ist, und zwar am Randbereich der mittleren Schlitzausnehmung.In a further development of the invention, it is provided that to improve adaptation (VSWR) or increase the bandwidth of at least one of the patch radiators, preferably at the top food patch area ,. in the Area of the middle slot recess of the H-shaped Schlitzes a right angle bracket is provided. Of the a leg covers at least a partial length in Distance the middle slot of the H-shaped slot structure in parallel to this, with the vertical leg returned vertically to the food patch and there is attached, namely at the edge region of the middle Slot recess.
In einer bevorzugten Weiterbildung der Erfindung bzw. in einer alternativen Ausgestaltung der Erfindung ist in völlig überraschender Weise eine Lösung gefunden worden, die es ermöglicht die Wasserempfindlichkeit der Antenne weiter zu reduzieren. Dazu ist in dem zuoberst liegenden Deckpatch des Systems, welches auf die höchste Frequenz abgestimmt ist, ein Teil der Fläche herausgeschnitten. Bevorzugt wird dadurch also eine rahmenförmige Deckpatch-Struktur üblich.In a preferred embodiment of the invention or in an alternative embodiment of the invention is in completely surprising way a solution has been found which allows the water sensitivity of the antenna continue to reduce. This is in the uppermost Deck patch of the system, which is at the highest frequency is tuned, part of the area cut out. Therefore, a frame-shaped cover patch structure is preferred common.
Schließlich kann eine weitere Minimierung der Bauhöhe dadurch gewährleistet werden, dass das Speisepatch des jeweils höher frequenten Systems in das Deckpatch des unteren Systems integriert ist. Dazu kann ein Teil des Deckpatches der unteren Frequenz ausgeschnitten und das Speisepatch in diesen Ausschnitt eingefügt.sein. Finally, can further minimize the height Ensuring that the food patch of the each higher frequency system in the deckpatch of the lower system is integrated. This can be a part of Cut out lower frequency cover patches and the Food patch inserted in this section.
Alternativ dazu ist es aber auch möglich, das Deckpatch einer unteren Frequenz wannenförmig zu gestalten, wobei in dieser wannenförmigen Gestaltung dann das Speisepatch des höher frequenten Systems eingesetzt werden kann.Alternatively, it is also possible the deckpatch a trough-shaped lower frequency, wherein in this trough - shaped design then the food patch of the higher frequency system can be used.
Wie bereits ausgeführt wurde, werden die Speisesysteme getrennt mit je einem Speisekabel angespeist, so dass jedes der beiden Systeme einen separaten Anschluss besitzt. Die getrennten Speisekabel können aber auch über einen in die Antenne integrierten Duplexer oder ein Kabelnetzwerk zusammengefügt sein, so dass die Gesamtantenne mit einem einzigen Anschluss versehen ist.As already stated, the feed systems separately fed with a power cable, so that each of the two systems has a separate connection. The separate supply cables can also over a duplexer or cable network integrated into the antenna be joined together so that the overall antenna provided with a single connection.
In Abhängigkeit des gewünschten Frequenzbereiches für die Antenne kann das Frequenzverhältnis der Patchstrahler beispielsweise 1:2 betragen.Depending on the desired frequency range for the Antenna can change the frequency ratio of the patch radiator for example, be 1: 2.
Bevorzugt ist vorgesehen, dass die Grundplatte der Patch-Strahleranordnung für den niedrigsten Frequenzbereich durch den Reflektor gebildet ist. Es kann aber auch hier eine auf dem Reflektor oder vor dem Reflektor sitzende Grundplatte vorgesehen sein, die dann aber ebenfalls wieder als Artreflektor wirkt.It is preferably provided that the base plate of the patch radiator arrangement for the lowest frequency range is formed by the reflector. But it can also be here one sitting on the reflector or in front of the reflector Base plate be provided, but then again acts as a kind of reflector.
Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen näher erläutert. Dabei zeigen im einzelnen:
- Figur 1 :
- Eine schematische perspektivische Darstellung einer erfindungsgemäßen Patch-Antenne;
- Figur 2 :
- eine Querschnittsdarstellung durch das
Ausführungsbeispiel nach
Figur 1 im Bereich der einzelnen Abstützelemente; - Figur 3a :
- eine Draufsicht auf das aktive Speisepatch des für den niedrigeren Frequenzbereich vorgesehenen Patchstrahlers;
- Figur 3b :
- eine entsprechende Unteransicht auf das in Figur 3a wiedergegebene Speisepatch;
- Figur 4 :
- eine Draufsicht auf das Deckpatch des unteren Patchstrahlers;
Figur 5a:- eine Draufsicht auf das Speisepatch der für den höheren Frequenzbereich vorgesehenen Patch-Strahleranordnung;
Figur 5b :- eine Unteransicht auf das in
Figur 5a wiedergegebene Speisepatch; und - Figur 6 :
- eine zu Figur 2 um 90° verdrehte.Vertikalschnittdarstellung durch das obere Speisepatch.
- FIG. 1:
- A schematic perspective view of a patch antenna according to the invention;
- FIG. 2:
- a cross-sectional view through the embodiment of Figure 1 in the region of the individual support elements;
- FIG. 3a:
- a plan view of the active feed patch of the provided for the lower frequency range patch radiator;
- FIG. 3b:
- a corresponding bottom view of the reproduced in Figure 3a food patch;
- FIG. 4:
- a plan view of the cover patch of the lower patch radiator;
- FIG. 5a
- a plan view of the feed patch of the provided for the higher frequency range patch radiator assembly;
- FIG. 5b:
- a bottom view of the reproduced in Figure 5a food patch; and
- FIG. 6:
- a rotated by 90 ° to Figure 2.Vertikalschnittdarstellung by the upper feed patch.
In Figur 1 ist in schematischer perspektivischer Darstellung
der Gesamtaufbau der Antenne mit einem Reflektorblech
gezeigt, also einem Reflektor 1, der im gezeigten Ausführungsbeispiel
mit einem an zwei gegenüberliegenden
Längsrändern ausgebildeten, sich im wesentlichen quer bzw.
senkrecht zur Reflektorblechebene erstreckenden Randstreifen
1' versehen ist. In Figure 1 is a schematic perspective view
the overall structure of the antenna with a reflector plate
shown, ie a
Auf diesem Reflektor 1 aufbauend sind im gezeigten Ausführungsbeispiel
zwei Patchstrahleranordnungen vorgesehen,
nämlich eine erste Patchstrahleranordnung 5 für den unteren
Frequenzbereich, beispielsweise für den GSM--Frequenzbereich
(870 - 960 MHz), und eine darauf aufbauende
nochmals kleiner dimensionierte weitere Patchstrahleranordnung
7 für einen höheren Frequenzbereich,
beispielsweise für den PCN und UMTS Frequenzbereich (1710
MHz, 2170 MHz etc.).Based on this
Jede der beiden Patchstrahleranordnungen 5 bzw. 7 ist als
Doppelpatch-Strahleranordnung aufgebaut, und zwar jeweils
mit einem aktiven Speisepatch 5a bzw. 7a und einem darüber
befindlichen nur kapazitiv gekoppelten und damit passiven
Deckpatch 5b bzw. 7b.Each of the two Patchstrahleranordnungen 5 and 7 is as
Dual patch emitter assembly constructed, respectively
with an
Aus den Figuren 3a und 3b geht das größer dimensionierte
und für den unteren Frequenzbereich vorgesehene Speisepatch
5a hervor. Daraus ist zu ersehen, dass das Speisepatch
als rechteckförmiges Blech gestaltet ist, in welchem
eine H-förmige Schlitzstruktur 11 eingearbeitet ist. Der
Mittenschlitz 11a erstreckt sich dabei in Querrichtung des
Reflektors 1, im gezeigten Ausführungsbeispiel also quer
zu dem Randstreifen 1' des Reflektors 1. An den Enden
dieses Mittenschlitzes 11a sind quer dazu an beiden Seiten
durchgehend verlaufende Parallelschlitze 11b eingearbeitet.
Wie insbesondere in der Unteransicht gemäß Figur 3b
zu ersehen ist, erfolgt die Kabeleinspeisung für dieses
Speisepatch 5a separat über ein koaxiales Speisekabel 15a,
welches auf dem Reflektor 1, d.h. insbesondere längs dessen
Randstreifen 1' und dann mittig auf den Rand des Speisepatches
5a zu und von dort in Richtung H-förmige
Schlitzstruktur 11 verlaufend verlegt ist. Dabei ist das
Kabel bevorzugt zumindest näherungsweise in koaxialer
Verlängerung zu dem Mittenschlitz 11a auf der Unterseite
in Richtung Mittenschlitz 11a und dann in einer V- oder U-förmigen
Schleife 15'a um das eine Ende des zunächst liegenden
Parallelschlitzes 11b verlegt. Das Koaxialkabel
endet dann bevorzugt in der Mitte des Mittenschlitzes 11a
auf einer Seite der Schlitzausnehmung, wo der Außenleiter
115a elektrisch kontaktiert ist. Der Innenleiter 115b ist
quer zur Längserstreckung des Mittenschlitzes 11a über
diesen hinweg geführt und auf der gegenüberliegenden Seite
des Mittenschlitzes mit dem Speisepatch elektrisch kontaktiert.From Figures 3a and 3b, the larger-sized
and provided for the lower frequency
Aus der Skizze gemäß Figuren 3a und 3b ist zu erkennen,
dass neben dem eigentlichen Speisekabel 15a noch zwei
weitere Stichleitungen 215a vorgesehen sind, nämlich links
und rechts in einer Teillänge von dem eigentlichen Speisekabel
15a, wobei die Stichleitungen 215a unterschiedliche
Länge aufweisen. Jede der beiden Stichleitungen ist so
parallel zumindest zum Endabschnitt des Speisekabels 15a
angeordnet, dass der jeweilige Innenleiter 215"a parallel
zum Innenleiter 115"a des Speisekabels 15a den mittleren
Schlitz 11a überbrückt und auf der gegenüberliegenden
Seite des Schlitzes 11a elektrisch mit dem Patch kontaktiert
ist, wobei vor dem Schlitz der Außenleiter 215'a der
jeweiligen Stichleitung 215a mit dem Patch elektrisch
kontaktiert ist.From the sketch according to FIGS. 3a and 3b, it can be seen that
that in addition to the
Mittels zweier seitlicher nicht leitender säulenförmiger
Distanzhalter 21 ist auf dem Reflektor 1 das Speisepatch
5a und über axiale Distanzhalter 22 das darüber befindliche
Deckpatch 5b montiert, dessen Querabmessungen näherungsweise
gleich sind, wobei die Längsmaße typischerweise
kürzer sind.By means of two laterally
Auf diesem Deckpatch 5b der unteren Patchsträhleranordnung
5 ist nunmehr die weitere Patchstrahleranordnung 7 aufgebaut,
die ebenfalls als Doppelpatch-Anorndung mit einem
Speisepatch 7a und einem dieses überdeckenden Deckpatch 7b
ausgebildet ist. Dabei bildet das Deckpatch der jeweils
unteren Patchstrahleranordnung 5 für den niedrigeren Frequenzbereich
gleichzeitig die Grundplatte für die darauf
aufbauende Patchstrahleranordnung 7 für den höheren Frequenzbereich.On this
Die Patchstrahleranordnung 7 umfasst eingehend mit der
Patchstrahleranordnung 5 ein deutlich kleiner dimensioniertes
rechteckförmiges Speisepatch 7a, welches ebenfalls
wieder mit einer H-förmigen Schlitzstruktur 13 mit einem
Mittenschlitz 13a und zwei am Ende davon über den Mittenschlitz
jeweils nach beiden Seiten hinaus gehenden Parallelschlitzen
13b versehen ist, so dass der Mittenschlitz
13a parallel zu und oberhalb von dem Mittenschlitz 11a der
unteren Patchstrahleranordnung 5 zu liegen kommt. Die
Einspeisung erfolgt ebenfalls wie bei der unteren Patchstrahleranordnung
5, nämlich über ein separates Speisekabel
15b, welches in gleicher Weise vom mittleren Abschnitt
des Mittenschlitzes 13a kommend V- oder U-förmig
(Bogen 15'b) um das eine Ende des Parallelschlitzes 11b
zur Mitte des Speisepatches 13a und von dort in Verlängerung
des Mittenschlitzes 13a zum Rand des Speisepatches 7a
möglichst symmetrisch verlegt und von dort auf Grund, d.h.
auf das Reflektorblech 1 geführt ist. Dabei wird das Kabel
von der gegenüberliegenden Seite des Reflektors 1 dem
Speisepatch zugeführt, also von der gegenüberliegenden
Seite verglichen mit dem Speisekabel 15a.The
Schließlich können ergänzende Maßnahmen zur Erzielung einer besseren Entkopplung der auf verschiedene Bereiche abgestimmten Patchstrahler vorgesehen sein, und zwar unter Verwendung von Stichleitungen, die parallel zur jeweiligen Anschlussleitung angeschlossen werden.Finally, complementary measures to achieve a better decoupling of the different areas tuned Patchstrahler be provided, under Use of stubs parallel to each Connecting cable to be connected.
Aus dem Ausführungsbeispiel gemäß Figur 5b ist auch zu
ersehen, dass hier bereits am Bogen 15'b beginnend parallel
zum Speisekabel 15b ebenfalls eine Stichleitung 215b
angeordnet ist, deren Innenleiter 215"b parallel zum Innenleiter
115"b des Speisekabels 15b den Schlitz 13a überbrückt
und an der gegenüberliegenden Seite des Speisepatches
kontaktiert ist, wohingegen der Außenleiter 215'b auf
der Stichleitung 215b auf der gleicher Seite wie der Außenleiter
115'b des Speisekabels 15b mit dem Patch kontaktiert
ist.From the embodiment of Figure 5b is also too
see that here already starting at the bow 15'b parallel
to feeder cable 15b also a stub 215b
is arranged, the
Das erläuterte Speisepatch 7a ist über zwei versetzt liegende
und bevorzugt ebenfalls in der durch die Mittenschlitze
gebildeten Vertikalebene liegenden säulenartigen
Distanzhalter 23 auf dem Deckpatch 5b gehalten und verankert.The illustrated
Auf dem erwähnten Speisepatch 7a aufbauend ist ebenfalls
wieder ein nochmals kleiner dimensioniertes Deckpatch 7b
ausgebildet, welcher über weitere Distanzhalter 24 gegenüber
den ihn tragenden Speisepatch 7a gehalten ist. Das
Deckpatch 7b ist dabei rahmenförmig unter Ausbildung einer
Mittenöffnung 27 gestaltet und wird über zwei seitlich vom
Rahmen 28 in Parallelrichtung zu den darunter befindlichen
Mittenschlitzen 11a, 13a vorstehende Laschen 29 gehalten,
die sich an den Distanzhaltern 24 abstützen. Durch diese
rechteckförmige Gestaltung des zuoberst liegenden Deckenpatches
7b ergibt sich der völlig überraschende Effekt
einer deutlichen Verbesserung der Anpassung (VSWR) und
einer deutlich geringeren Empfindlichkeit gegenüber Wasser
und Regen, so dass sich bei einer die gesamte Antennenanordnung
überdeckenden Gehäuseabdeckung (Kunststoffgehäuse
etc.) eine deutlich reduzierte Wasserabhängigkeit der
Antenne ergibt.Based on the mentioned
Gemäß dem Ausführungsbeispiel sind die beiden Speisekabel
15a, 15b in Längsrichtung des Reflektors 1 zu einem Anschlussende
geführt, an welchem zwei Anschlüsse 35a, 35b
zur elektrischen Speisung der beiden Patchstrahleranordnungen
vorgesehen sind. Dies kann beispielsweise bei der
Darstellung gemäß Figur 1 rechtsliegend sein, wobei an
einer das Reflektorblech rechts abschließenden und zur
Reflektorebene vertikal nach oben vorstehenden Abschlussplatte
beispielsweise benachbart zu den beiden Reflektorrändern
1' die entsprechenden Speisekabel 15a und 15b in
entsprechenden Steckanschlüssen enden können. Genauso
können aber beide Speisekabel 15a, 15b über einen Duplexer
zusammengeführt werden, so das nur ein einziger Anschluss
notwendig ist. Über die gesamte Anordnung wird, wie üblich
und nicht näher gezeigt, eine Gehäuseabdeckung als Schutz.einrichtung
montiert.According to the embodiment, the two
Zur Vervollständigung wird ferner noch darauf hingewiesen,
dass - wie sich insbesondere aus der Darstellung gemäß
Figur 5a aber auch in der Querschnittsdarstellung gemäß
Figur 6 ergibt, auf dem zuoberst liegenden Speisepatch 7a
parallel zu dem zugehörigen Mittenschlitz 13a ein im Querschnitt
rechtwinkelige elektrisch leitender Bügel 37 vorgesehen
ist, dessen Parallelsteg 37a, der parallel zur
Reflektorebene angeordnet ist, den Mittenschlitz 13a parallel
zu diesem verlaufen im Abstand überdeckt und dessen
ihn tragende Vertikalschenkel 37b parallel zum Mittenschlitz
13a an einer Randseite dazu auf dem zugehörigen
Speisepatch 7a verankert und mechanisch kontaktiert ist.To complete it is also pointed out
that - as in particular from the representation according to
Figure 5a but also in the cross-sectional view according to
FIG. 6 shows, on the
Claims (18)
- Patch antenna for operation in at least two frequency bands, having the following features:characterized by the following further features:having a reflector (1),at least two patch antenna element arrangements (5, 7) are provided, constructed on the reflector (1) and/or arranged in front of the reflector (1), namely a patch antenna element arrangement (5) for a lower frequency band and a patch antenna element arrangement (7) for a higher frequency band,the patch antenna element arrangements (5, 7) for the lower frequency band and for the higher frequency band each have at least one active feed patch (5a, 7a) with an associated slot structure (11, 13) and a passive cover patch (5b, 7b), which is arranged above it and is capacitively coupled,the patch antenna element arrangements (5, 7) for the lower frequency band and for the higher frequency band are located on a base plate,the top cover patch (5b) of the lower patch antenna element arrangement (5) for the lower frequency band in this case at the same time forms the base plate for a patch antenna element arrangement (7), which is constructed on it, for the higher frequency band,a slot arrangement which has an H-shaped slot structure (11, 13) is formed in at least one feed patch (5a, 7a), andthe at least two slot structures (11, 13) in the respective feed patch (5a, 7a) are fed via a respectively associated feed cable arrangement (15a, 15b),spur lines (215a, 215b) are provided in order to achieve improved decoupling for the patch antenna element arrangement (5, 7) which is tuned to different frequency bands and are provided or connected in a length element for the respective feed line (15a, 15b), parallel to it.
- Patch antenna according to Claim 1, characterized in that the respective feed cable (15a, 15b) runs at least approximately as an extension of a central slot (11a, 13a), coming from the edge of the feed patch (5a, 7a), to the respective central slot (11a, 13a), and is then laid around the respective end section of the closer of the two parallel slots (11b, 13b) to the associated central slot (11a, 13a).
- Patch antenna according to Claim 1 or 2, characterized in that each feed patch (5a, 7a) is preferably fed at least approximately centrally or symmetrically.
- Patch antenna according to one of Claims 1 to 3, characterized in that the feed cables (15a, 15b) coming from the relevant feed patch (5a, 7a) are routed at least approximately centrally down over the edge of the respective feed patch (5a, 7a) to the reflector (1).
- Patch antenna according to one of Claims 1 to 4, characterized in that a conductive bracket (37) with a rectangular cross section is provided on at least one feed patch (5a, 7a), preferably on the feed patch (7a) for the highest frequency band, parallel to the central slot (13a), whose parallel web (37a) covers the central slot (13a), running parallel to it and at a distance from it, and its vertical limb (37b), which supports it, is mechanically anchored to and makes electrical contact with the associated feed patch (7a), parallel to the central slot (13a) on one edge face.
- Patch antenna according to one of Claims 1 to 5, characterized in that the cover patch (7b) which is located at the top is in the form of a frame, forming a centre opening (27), preferably forming a rectangular frame (28).
- Patch antenna according to one of Claims 1 to 6, characterized in that the cover patch (5b) of a patch antenna element arrangement (5) for a lower frequency band, which at the same time represents the base plate for a patch antenna element arrangement for a frequency band that is higher than this lower frequency band, has in the central area a recess in which the feed patch (7a) for the patch antenna element arrangement (7) which is provided for the higher frequency band preferably comes to rest in an integrated manner.
- Patch antenna according to one of Claims 1 to 7, characterized in that the cover patch (5b) of a patch antenna element arrangement (5) for a lower frequency band, which at the same time represents the base plate for a patch antenna element arrangement for a frequency band which is higher than this lower frequency band, has in the central area a depression in the form of a trough, in which the feed patch (7a) of the patch antenna element arrangement (7) which is provided for the higher frequency band preferably comes to rest in an integrated manner.
- Patch antenna according to Claim 7 or 8, characterized in that the feed patch (7a) of the patch antenna element arrangement (7) which is provided for the higher frequency band is arranged at the same level as the cover patch (5b) for the lower frequency band.
- Patch antenna according to one of Claims 1 to 9, characterized in that the active patch and the passive patch are respectively designed for the lower and upper frequency bands in such a way that the frequency ratio of the patch antenna element arrangement (5, 7) for operation in two different frequency bands is approximately 1:2.
- Patch antenna according to one of Claims 1 to 10, characterized in that at least one or more or all of the patch antenna element arrangements (5, 7) has or have more than two patches per frequency band.
- Patch antenna according to one of Claims 1 to 11, characterized in that supports or spacers composed of nonconductive and/or dielectric material are provided for holding the patches (5a, 5b, 7a, 7b).
- Patch antenna according to one of Claims 1 to 12, characterized in that the spacers, supports or holding elements (21, 22, 23, 24) for the patches are arranged centrally with respect to the longitudinal or transverse phase, and are designed to be conductive.
- Patch antenna according to one of Claims 1 to 13, characterized in that the feed cables (15a, 15b) for the patches are connected by means of duplex filters to a resultant input.
- Patch antenna according to one of Claims 1 to 14, characterized in that two or more of the antenna element arrangements are combined to form an array, with further antenna elements for the upper frequency band being arranged and/or being connected in each case centrally between two patch antenna elements.
- Patch antenna according to one of Claims 1 to 15,
characterized in that the feed cables (15a, 15b) are provided with parallel-laid spur lines (215a, 215b) at least in their end area, whose inner conductors (215a, 215b) bridge the central slot (11a, 13a) and make contact with the patch on the opposite side to their outer conductor (215a, 215b). - Patch antenna according to one of Claims 1 to 16, characterized in that the base plate of the antenna element arrangement (5) which is arranged at the bottom and is intended for the lowest transmitted frequency band is formed by the reflector (1).
- Patch antenna according to one of Claims 1 to 16, characterized in that the base plate of the antenna element arrangement (5) which is arranged at the bottom and is designed for the lowest transmitted frequency band is arranged in front of the reflector (1).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10064128 | 2000-12-21 | ||
| DE10064128A DE10064128A1 (en) | 2000-12-21 | 2000-12-21 | Patch antenna for operation in at least two frequency ranges |
| PCT/EP2001/014688 WO2002050940A2 (en) | 2000-12-21 | 2001-12-13 | Patch antenna for operating in at least two frequency ranges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1346434A2 EP1346434A2 (en) | 2003-09-24 |
| EP1346434B1 true EP1346434B1 (en) | 2005-02-16 |
Family
ID=7668353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01986872A Expired - Lifetime EP1346434B1 (en) | 2000-12-21 | 2001-12-13 | Patch antenna for operating in at least two frequency ranges |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6861988B2 (en) |
| EP (1) | EP1346434B1 (en) |
| KR (1) | KR100912170B1 (en) |
| CN (1) | CN1249853C (en) |
| AT (1) | ATE289452T1 (en) |
| AU (1) | AU3842802A (en) |
| BR (1) | BR0116400A (en) |
| DE (2) | DE10064128A1 (en) |
| ES (1) | ES2236336T3 (en) |
| WO (1) | WO2002050940A2 (en) |
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|---|---|---|---|---|
| FR2841688B1 (en) * | 2002-06-28 | 2006-06-30 | Antennes Ft | PATCH TYPE FLAT ANTENNA, IN PARTICULAR FOR TRANSMITTING AND / OR RECEIVING DIGITAL AND / OR ANALOGUE TERRESTRIAL TELEVISION SIGNALS |
| JP2004266333A (en) * | 2003-01-30 | 2004-09-24 | Matsushita Electric Ind Co Ltd | Antenna device |
| CA2529796C (en) * | 2003-07-22 | 2012-09-25 | Psion Teklogix Inc. | Internal antenna with slots |
| US7015871B2 (en) | 2003-12-18 | 2006-03-21 | Kathrein-Werke Kg | Mobile radio antenna arrangement for a base station |
| US7027004B2 (en) | 2003-12-18 | 2006-04-11 | Kathrein-Werke Kg | Omnidirectional broadband antenna |
| DE10359623A1 (en) * | 2003-12-18 | 2005-07-21 | Kathrein-Werke Kg | Mobile antenna arrangement for a base station |
| 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 |
| 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 (en) * | 2004-06-11 | 2009-10-21 | 株式会社日立製作所 | Wireless IC tag and method of manufacturing wireless IC tag |
| DE102005010894B4 (en) * | 2005-03-09 | 2008-06-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Planar multiband antenna |
| DE102005010895B4 (en) * | 2005-03-09 | 2007-02-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aperture-coupled antenna |
| 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 (en) * | 2006-10-18 | 2011-07-27 | 鸿富锦精密工业（深圳）有限公司 | Coupling type feed antenna |
| 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 (en) * | 2009-01-13 | 2010-07-15 | Wilhelm Sihn Jr. Gmbh & Co. Kg | patch antenna |
| DE102009006988A1 (en) * | 2009-01-31 | 2010-08-05 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Dual-band antenna, especially for satellite navigation applications |
| JP2014502467A (en) * | 2010-11-22 | 2014-01-30 | コミシリア ア レネルジ アトミック エ オ エナジーズ オルタネティヴズ | Planar antenna with extended bandwidth |
| KR101428928B1 (en) * | 2013-03-29 | 2014-08-11 | 한양대학교 산학협력단 | Dual Band Relay Antenna for Human Body |
| CN103490143B (en) * | 2013-09-27 | 2015-11-11 | 佛山市蓝波湾金科技有限公司 | A kind of array antenna |
| JP6058573B2 (en) * | 2014-03-13 | 2017-01-11 | 株式会社東芝 | Antennas and electronics |
| KR101609665B1 (en) * | 2014-11-11 | 2016-04-06 | 주식회사 케이엠더블유 | Antenna of mobile communication station |
| WO2017088090A1 (en) * | 2015-11-23 | 2017-06-01 | 华为技术有限公司 | Antenna unit and antenna array |
| 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 (en) * | 2019-06-28 | 2021-01-06 | 삼성전자주식회사 | Antenna sturcture and electronic device including the same |
| US11264724B2 (en) * | 2020-07-20 | 2022-03-01 | TE Connectivity Services Gmbh | Omnidirectional antenna assembly |
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-
2000
- 2000-12-21 DE DE10064128A patent/DE10064128A1/en not_active Withdrawn
-
2001
- 2001-12-13 BR BR0116400-7A patent/BR0116400A/en not_active IP Right Cessation
- 2001-12-13 EP EP01986872A patent/EP1346434B1/en not_active Expired - Lifetime
- 2001-12-13 DE DE50105395T patent/DE50105395D1/en not_active Expired - Lifetime
- 2001-12-13 ES ES01986872T patent/ES2236336T3/en not_active Expired - Lifetime
- 2001-12-13 KR KR1020037007022A patent/KR100912170B1/en not_active IP Right Cessation
- 2001-12-13 US US10/450,049 patent/US6861988B2/en not_active Expired - Lifetime
- 2001-12-13 CN CNB018210929A patent/CN1249853C/en not_active Expired - Lifetime
- 2001-12-13 AU AU3842802A patent/AU3842802A/en not_active Withdrawn
- 2001-12-13 AT AT01986872T patent/ATE289452T1/en not_active IP Right Cessation
- 2001-12-13 WO PCT/EP2001/014688 patent/WO2002050940A2/en not_active Application Discontinuation
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|---|---|---|---|---|
| EP0433255A2 (en) * | 1989-12-14 | 1991-06-19 | COMSAT Corporation | Orthogonally polarized dual-band printed circuit antenna employing radiating elements capacitively coupled to feedlines |
| WO2000013260A1 (en) * | 1998-08-28 | 2000-03-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Antenna arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| BR0116400A (en) | 2003-11-11 |
| US20040027292A1 (en) | 2004-02-12 |
| ATE289452T1 (en) | 2005-03-15 |
| KR100912170B1 (en) | 2009-08-14 |
| WO2002050940A3 (en) | 2002-08-29 |
| CN1249853C (en) | 2006-04-05 |
| DE50105395D1 (en) | 2005-03-24 |
| ES2236336T3 (en) | 2005-07-16 |
| AU3842802A (en) | 2002-07-01 |
| CN1483230A (en) | 2004-03-17 |
| EP1346434A2 (en) | 2003-09-24 |
| KR20030064792A (en) | 2003-08-02 |
| WO2002050940A2 (en) | 2002-06-27 |
| DE10064128A1 (en) | 2002-07-25 |
| US6861988B2 (en) | 2005-03-01 |
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