EP0986130B1 - Antenna for wireless communication terminal device - Google Patents

Antenna for wireless communication terminal device Download PDF

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Publication number
EP0986130B1
EP0986130B1 EP99117720A EP99117720A EP0986130B1 EP 0986130 B1 EP0986130 B1 EP 0986130B1 EP 99117720 A EP99117720 A EP 99117720A EP 99117720 A EP99117720 A EP 99117720A EP 0986130 B1 EP0986130 B1 EP 0986130B1
Authority
EP
European Patent Office
Prior art keywords
antenna
antenna according
circuit board
layers
individual
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
Application number
EP99117720A
Other languages
German (de)
French (fr)
Other versions
EP0986130A2 (en
EP0986130A3 (en
Inventor
Stefan Huber
Martin Dr. Weinberger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BenQ Mobile GmbH and Co OHG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0986130A2 publication Critical patent/EP0986130A2/en
Publication of EP0986130A3 publication Critical patent/EP0986130A3/en
Application granted granted Critical
Publication of EP0986130B1 publication Critical patent/EP0986130B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • 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
    • H01Q5/385—Two or more parasitic elements

Definitions

  • the present invention relates to an antenna according to the preamble of claim 1.
  • the object of the present invention is to provide an antenna Specify the type mentioned, which takes up little space has, can be designed for several frequency bands and is cheap to produce.
  • This task for the antenna mentioned above solved that the individual antenna structures for training of a radiator are shaped.
  • the antenna according to the invention is easy and inexpensive to manufacture, requires little space and is easy for a function in several frequency bands or in one broadband frequency range can be designed.
  • This multi-band antenna consists of one capacitive coupling device not self-radiating, which excites different resonators / antennas. With the subject of registration if the coupling device is already a radiator, the coupling is done by E and H fields. in the In contrast to the object of registration, there are all radiation elements in one level.
  • the individual antenna structures arise from different trained conductor tracks in the different locations of the multilayer printed circuit board.
  • the antenna structures the forms shown by way of example in FIGS. 1 to 8, but also take other forms.
  • the track has the shape of a meander, a serpentine line or the shape of a rod.
  • the conductor tracks can branch as shown in FIGS. 5 and 6 and at different points B to N1, which in one Lay level, end. It is also possible that in a Lay several conductors forming an antenna next to each other are arranged.
  • FIGS of the present invention A four-layer antenna according to FIGS of the present invention.
  • Figures 9A to 9D are the individual antenna structures in the four layers shown.
  • Figure 10 shows a schematic cross section through this four-layer antenna. It can be seen that two layers within the multi-layer circuit board and two Layers are outside of the multi-layer circuit board.
  • This one multi-band antenna presented consists of a or several multilayer printed circuit boards.
  • the material from one of these PCBs is freely selectable, but should be suitable for high frequencies. It can in particular Case also be flexible flexible material. In every situation can be structured a conductor track that a radiator or any other electrical element.
  • the antenna consists of more than two layers, at least from three layers. At least one of these layers lies within of the material.
  • the locations are preferred, but not mandatory, parallel to each other. You can use any position to each other.
  • the layers can be at any Position of the circuit board and any also have different thicknesses. So there are also layers possible on the front and on the long sides. Farther inclined positions are also possible.
  • This dining point is about a contact element with the RF module of the communication terminal sesn.
  • All other emitters are preferably excited by coupling.
  • one or more direct electrical connections can also be made between one or more radiators at different positions by means of plated-through holes or contacting via a side surface at any point.
  • a plated-through hole is shown in FIGS. 11A to 11D and 12.
  • the layers shown in FIGS. 11A and 11C are connected to one another by means of a plated-through hole, as can be seen in FIG. 12.

Abstract

The antenna has its structure formed by a conducting track of any shape applied to a circuit board. A multilayer circuit board is used with a different antenna structure or some other electrical element on each layer. The multilayer circuit board can be in the form of one or more multilayer boards, whereby the individual circuit boards each have at least three layers. The individual antenna structures can be formed into a radiator and the individual layers can adopt any position with respect to each other.

Description

Die vorliegende Erfindung betrifft eine Antenne nach dem Oberbegriff des Anpruchs 1.The present invention relates to an antenna according to the preamble of claim 1.

In Hinsicht auf die Entwicklung in der Mobilfunktechnologie werden Antennen benötigt, welche in der Lage sind mehrere Frequenzbänder gleichzeitig abzudecken. Außerdem verlangt der Markt nach immer kleineren und billigeren Mobilfunkgeräten. Deswegen sind Antennen gefordert, die einen geringen Platzbedarf haben, problemlos für eine Funktion in mehreren Frequenzbändern oder einem breitbandigen Frequenzbereich auslegbar und billig und reproduzierbar herstellbar sind.With regard to the development in cellular technology antennas are required, which are capable of several Cover frequency bands at the same time. In addition, the Market for ever smaller and cheaper mobile devices. This is why antennas are required that take up little space have, for a function in several frequency bands or a broadband frequency range and can be produced cheaply and reproducibly.

Die bisherigen Konzepte, wie z. B. die Helix-Drahtantennen oder die Mikrostreifenleitungsantennen haben alle den Nachteil, daß sie entweder einen zu hohen Platzbedarf haben oder die Abstimmbarkeit bei einer Multiband-Funktion nicht ohne weiteres möglich ist.The previous concepts, such as B. the helix wire antennas or the microstrip antennas all have the disadvantage that they either have too much space or the tunability with a multiband function is not without further is possible.

Aus der EP-A-0 746 054 ist zwar eine Antennenanordnung gemäß dem Oberbegriff bekannt, jedoch weist diese Antenne keine Multibandfähigkeit auf.From EP-A-0 746 054 an antenna arrangement according to known to the preamble, but this antenna has none Multi-band capability.

Aufgabe der vorliegenden Erfindung ist es, eine Antenne der eingangs genannten Art anzugeben, die einen geringen Platzbedarf aufweist, für mehrere Frequenzbänder auslegbar ist und billig herstellbar ist. The object of the present invention is to provide an antenna Specify the type mentioned, which takes up little space has, can be designed for several frequency bands and is cheap to produce.

Diese Aufgabe wird für die eingangs genannte Antenne dadurch gelöst, daß die einzelnen Antennenstrukturen zur Ausbildung eines Strahlers geformt sind.This task for the antenna mentioned above solved that the individual antenna structures for training of a radiator are shaped.

Die erfindungsgemäße Antenne ist leicht und billig herstellbar, erfordert einen geringen Platzbedarf und ist problemlos für eine Funktion in mehreren Frequenzbändern oder in einem breitbandigen Frequenzbereich auslegbar.The antenna according to the invention is easy and inexpensive to manufacture, requires little space and is easy for a function in several frequency bands or in one broadband frequency range can be designed.

Im Gegensatz zu der aus EP-A-0 746 054 bekannten Antennenanordnung, bei der sich jeweils Strahlungsstrukturen und Koppelerstrukturen auf den einzelnen Lagen abwechseln und welche keine Multibandfähigkeit aufweist, weist jede einzelne Lage eine unterschiedlichen Strahlungsstruktur auf, so dass auf einfache Art und Weise eine Multibandfähigkeit hergestellt werden kann.In contrast to the antenna arrangement known from EP-A-0 746 054, where there are radiation structures and coupler structures alternate on the individual layers and which ones has no multi-band capability, shows every single layer a different radiation structure, so that in a simple way and Way a multiband capability can be established.

Aus der US-A-5 075 691 ist eine laminar aufgebaute Multibandantenne bekannt. Diese Multibandantenne besteht aber aus einer nicht selbst strahlenden kapazitiven Koppelvorrichtung, welche verschiedene Resonatoren/Antennen anregt. Beim Anmeldungsgegenstand ist bereits die Koppelvorrichtung ein Strahler, wobei die Verkoppelung durch E- und H-Felder erfolgt. Im Gegensatz zum Anmeldungsgegenstand befinden sich alle Strahlungselemente in einer Ebene.From US-A-5 075 691 is a laminar multi-band antenna known. This multi-band antenna consists of one capacitive coupling device not self-radiating, which excites different resonators / antennas. With the subject of registration if the coupling device is already a radiator, the coupling is done by E and H fields. in the In contrast to the object of registration, there are all radiation elements in one level.

Weitere zweckmäßige Ausgestaltungen der erfindungsgemäßen Antenne ergeben sich aus den Unteransprüchen sowie aus einer nachfolgenden Beschreibung von Ausführungsbeispielen anhand der Zeichnung.Further expedient configurations of the antenna according to the invention result from the subclaims and from a the following description of exemplary embodiments based on the drawing.

In der Zeichnung zeigen

  • Figur 1 bis Figur 8 mögliche Ausgestaltungen der einzelnen Antennenstrukturen,
  • Figur 9A bis Figur 9D und Figur 10 den beispielhaften Aufbau einer mehrlagigen Antenne, und
  • Figuren 11A bis 11D und Figur 12 einen anderen beispielhaften Aufbau einer weiteren mehrlagigen Antenne.
    • Show in the drawing
  • 1 to 8 possible configurations of the individual antenna structures,
  • 9A to 9D and FIG. 10 show the exemplary structure of a multi-layer antenna, and
  • FIGS. 11A to 11D and FIG. 12 show another exemplary construction of a further multilayer antenna.

    • Die einzelnen Antennenstrukturen entstehen durch unterschiedlich ausgebildete Leiterbahnen in den verschiedenen Lagen der mehrlagigen Leiterplatte. Dabei können die Antennenstrukturen, die in den Figuren 1 bis 8 beispielhaft gezeigte Formen, aber auch darüber hinausgehende Formen, annehmen. Vorzugsweise hat die Leiterbahn die Form eines Mäanders, einer Schlangenlinie oder die Form eines Stabes. Die Leiterbahnen können sich auch wie in den Figuren 5 und 6 gezeigt ist, verzweigen und an unterschiedlichen Punkten B bis N1, welche in einer Ebene liegen, enden. Weiterhin ist es möglich, daß in einer Lage jeweils mehrere eine Antenne bildende Leiterbahn nebeneinander angeordnet sind.The individual antenna structures arise from different trained conductor tracks in the different locations of the multilayer printed circuit board. The antenna structures, the forms shown by way of example in FIGS. 1 to 8, but also take other forms. Preferably the track has the shape of a meander, a serpentine line or the shape of a rod. The conductor tracks can branch as shown in FIGS. 5 and 6 and at different points B to N1, which in one Lay level, end. It is also possible that in a Lay several conductors forming an antenna next to each other are arranged.

    In den Figuren 9A bis 10 ist eine vierlagige Antenne gemäß der vorliegenden Erfindung dargestellt. In den Figuren 9A bis 9D sind die einzelnen Antennenstrukturen in den vier Lagen dargestellt. Figur 10 zeigt einen schematischen Querschnitt durch diese vierlagige Antenne. Es ist zu erkennen, daß sich zwei Lagen innerhalb der mehrlagigen Leiterplatte und zwei Lagen außerhalb der mehrlagigen Leiterplatte befinden.A four-layer antenna according to FIGS of the present invention. In Figures 9A to 9D are the individual antenna structures in the four layers shown. Figure 10 shows a schematic cross section through this four-layer antenna. It can be seen that two layers within the multi-layer circuit board and two Layers are outside of the multi-layer circuit board.

    Es sollen an dieser Stelle noch einige allgemeine Bemerkungen zu der erfindungsgemäßen Antenne gemacht werden. Die hier vorgestellte mehrlagige Multiband-Antenne besteht aus einer oder mehreren mehrlagigen Leiterplatten. Das Material, aus dem eine dieser Leiterplatten besteht, ist frei wählbar, sollte aber hochfrequenztauglich sein. Es kann im besonderen Fall auch biegsames flexibles Material sein. Auf jeder Lage kann eine Leiterbahn strukturiert sein, die einen Strahler oder ein anderes beliebiges elektrisches Element darstellt.At this point I would like to make a few general remarks be made to the antenna according to the invention. This one multi-band antenna presented consists of a or several multilayer printed circuit boards. The material from one of these PCBs is freely selectable, but should be suitable for high frequencies. It can in particular Case also be flexible flexible material. In every situation can be structured a conductor track that a radiator or any other electrical element.

    Die Antenne besteht aus mehr als zwei Lagen, also mindestens aus drei Lagen. Von diesen Lagen liegt mindestens eine innerhalb des Materials. Die Lagen sind vorzugsweise, aber nicht zwingend, parallel zueinander. Sie können jede beliebige Position zueinander einnehmen. Die Lagen können an jeder beliebigen Position der Leiterplatte liegen und jede beliebige auch unterschiedliche Dicke besitzen. Es sind also auch Lagen auf den Stirnseiten und auf den Längsseiten möglich. Weiterhin sind auch schiefe Lagen möglich.The antenna consists of more than two layers, at least from three layers. At least one of these layers lies within of the material. The locations are preferred, but not mandatory, parallel to each other. You can use any position to each other. The layers can be at any Position of the circuit board and any also have different thicknesses. So there are also layers possible on the front and on the long sides. Farther inclined positions are also possible.

    Vorzugsweise besitzt nur eine Leiterbahn (ein Strahler) auf einer Lage einen Speisepunkt. Dieser Speisepunkt wird über ein Kontaktelement mit der HF-Baugruppe des Kommunikationsendgerätes verbundenn.Preferably has only one conductor track (a radiator) a location a feeding point. This dining point is about a contact element with the RF module of the communication terminal verbundenn.

    Alle anderen Strahler werden vorzugsweise durch Kopplung angeregt. Es können sich auch zwei oder mehrere Strahler auf einer Lage befinden.All other emitters are preferably excited by coupling. There can also be two or more radiators a location.

    Es können sich aber auch eine oder mehrere direkte elektrische Verbindungen zwischen einem oder mehreren Strahlern auf verschiedenen Lagen mittels Durchkontaktierung oder Kontaktierung über eine Seitenfläche an jedem beliebigen Punkt hergestellt werden.
    Ein derartiges Beispiel mit einer Durchkontaktierung ist in den Figuren 11A bis 11D und 12 gezeigt. Hierbei handelt es sich um eine vierlagige Multibandantenne, deren Antennenstrukturen dem in den Figuren 9A bis 9D und Figur 10 gezeigtem Ausführungsbeispiel entsprechen. Zum Unterschied zu dem vorher beschriebenen Ausführungsbeispiel sind bei diesem Ausführungsbeispiel die in Figur 11A und Figur 11C gezeichneten Lagen mittels einer Durchkontaktierung, wie in Figur 12 zu erkennen ist, miteinander verbunden.    However, one or more direct electrical connections can also be made between one or more radiators at different positions by means of plated-through holes or contacting via a side surface at any point.
    Such an example with a plated-through hole is shown in FIGS. 11A to 11D and 12. This is a four-layer multi-band antenna, the antenna structures of which correspond to the exemplary embodiment shown in FIGS. 9A to 9D and FIG. 10. In contrast to the previously described exemplary embodiment, in this exemplary embodiment the layers shown in FIGS. 11A and 11C are connected to one another by means of a plated-through hole, as can be seen in FIG. 12.

    Claims (9)

    1. Antenna for radio communication terminals, consisting of antenna structures each of which is formed from a conductor track located on different layers of a multi-layer circuit board and with any given form
      characterized in that
      a differently formed antenna structure is applied on each layer of the multilayer circuit board, to form a multiband antenna.
    2. Antenna according to Claim 1, characterized in that the multilayer circuit board consists of one or more multilayer circuit boards, with the individual circuit board featuring at least three layers.
    3. Antenna according to one of Claims 1 or 2, characterized in that the individual layers can assume any given positions relative to each other.
    4. Antenna according to one of the Claims 1 to 3, characterized in that the individual conductor tracks forming the antenna structure are of different thicknesses.
    5. Antenna according to Claim 1 to 4, characterized in that there are one or more conductor tracks on each of the individual layers in each case.
    6. Antenna according to one of the previous claims, characterized in that the individual conductor tracks begin at one or more specified points and end at one or more specified points in the same layer.
    7. Antenna according to one of the previous claims, characterized in that one or more of the antenna structures features a feed point which is connected via a contact element with the RF module of the communication terminal.
    8. Antenna according to one of the previous claims, characterized in that one or more direct electrical connections are provided between one or more antenna structures on different layers.
    9. Antenna according to one of the previous claims, characterized in that the antenna is integrated into the RF module of the communication terminal.
    EP99117720A 1998-09-08 1999-09-08 Antenna for wireless communication terminal device Expired - Lifetime EP0986130B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19841011 1998-09-08
    DE19841011 1998-09-08

    Publications (3)

    Publication Number Publication Date
    EP0986130A2 EP0986130A2 (en) 2000-03-15
    EP0986130A3 EP0986130A3 (en) 2000-12-13
    EP0986130B1 true EP0986130B1 (en) 2004-08-04

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    EP99117720A Expired - Lifetime EP0986130B1 (en) 1998-09-08 1999-09-08 Antenna for wireless communication terminal device

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    EP (1) EP0986130B1 (en)
    CN (1) CN1249546A (en)
    AT (1) ATE272898T1 (en)
    DE (1) DE59910116D1 (en)
    DK (1) DK0986130T3 (en)
    ES (1) ES2226252T3 (en)

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    US6809692B2 (en) 2000-04-19 2004-10-26 Advanced Automotive Antennas, S.L. Advanced multilevel antenna for motor vehicles
    US7920097B2 (en) 2001-10-16 2011-04-05 Fractus, S.A. Multiband antenna
    US7932870B2 (en) 1999-10-26 2011-04-26 Fractus, S.A. Interlaced multiband antenna arrays
    US8009111B2 (en) 1999-09-20 2011-08-30 Fractus, S.A. Multilevel antennae
    US8207893B2 (en) 2000-01-19 2012-06-26 Fractus, S.A. Space-filling miniature antennas
    US8253633B2 (en) 2002-12-22 2012-08-28 Fractus, S.A. Multi-band monopole antenna for a mobile communications device
    US8456365B2 (en) 2002-12-22 2013-06-04 Fractus, S.A. Multi-band monopole antennas for mobile communications devices
    US9099773B2 (en) 2006-07-18 2015-08-04 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices

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    US9362617B2 (en) 1999-09-20 2016-06-07 Fractus, S.A. Multilevel antennae
    US8009111B2 (en) 1999-09-20 2011-08-30 Fractus, S.A. Multilevel antennae
    US8154463B2 (en) 1999-09-20 2012-04-10 Fractus, S.A. Multilevel antennae
    US8154462B2 (en) 1999-09-20 2012-04-10 Fractus, S.A. Multilevel antennae
    US9054421B2 (en) 1999-09-20 2015-06-09 Fractus, S.A. Multilevel antennae
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    US8941541B2 (en) 1999-09-20 2015-01-27 Fractus, S.A. Multilevel antennae
    US8330659B2 (en) 1999-09-20 2012-12-11 Fractus, S.A. Multilevel antennae
    US7932870B2 (en) 1999-10-26 2011-04-26 Fractus, S.A. Interlaced multiband antenna arrays
    US8896493B2 (en) 1999-10-26 2014-11-25 Fractus, S.A. Interlaced multiband antenna arrays
    US8228256B2 (en) 1999-10-26 2012-07-24 Fractus, S.A. Interlaced multiband antenna arrays
    US8212726B2 (en) 2000-01-19 2012-07-03 Fractus, Sa Space-filling miniature antennas
    US8558741B2 (en) 2000-01-19 2013-10-15 Fractus, S.A. Space-filling miniature antennas
    US8610627B2 (en) 2000-01-19 2013-12-17 Fractus, S.A. Space-filling miniature antennas
    US8471772B2 (en) 2000-01-19 2013-06-25 Fractus, S.A. Space-filling miniature antennas
    US9331382B2 (en) 2000-01-19 2016-05-03 Fractus, S.A. Space-filling miniature antennas
    US8207893B2 (en) 2000-01-19 2012-06-26 Fractus, S.A. Space-filling miniature antennas
    US6809692B2 (en) 2000-04-19 2004-10-26 Advanced Automotive Antennas, S.L. Advanced multilevel antenna for motor vehicles
    US8723742B2 (en) 2001-10-16 2014-05-13 Fractus, S.A. Multiband antenna
    US7920097B2 (en) 2001-10-16 2011-04-05 Fractus, S.A. Multiband antenna
    US8228245B2 (en) 2001-10-16 2012-07-24 Fractus, S.A. Multiband antenna
    US8674887B2 (en) 2002-12-22 2014-03-18 Fractus, S.A. Multi-band monopole antenna for a mobile communications device
    US8253633B2 (en) 2002-12-22 2012-08-28 Fractus, S.A. Multi-band monopole antenna for a mobile communications device
    US8259016B2 (en) 2002-12-22 2012-09-04 Fractus, S.A. Multi-band monopole antenna for a mobile communications device
    US8456365B2 (en) 2002-12-22 2013-06-04 Fractus, S.A. Multi-band monopole antennas for mobile communications devices
    US9099773B2 (en) 2006-07-18 2015-08-04 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices

    Also Published As

    Publication number Publication date
    EP0986130A2 (en) 2000-03-15
    EP0986130A3 (en) 2000-12-13
    DK0986130T3 (en) 2004-09-06
    ES2226252T3 (en) 2005-03-16
    ATE272898T1 (en) 2004-08-15
    DE59910116D1 (en) 2004-09-09
    CN1249546A (en) 2000-04-05

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