EP1445828A2 - Antenna having a monopole design for use in several wireless communication services - Google Patents

Antenna having a monopole design for use in several wireless communication services Download PDF

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Publication number
EP1445828A2
EP1445828A2 EP04002304A EP04002304A EP1445828A2 EP 1445828 A2 EP1445828 A2 EP 1445828A2 EP 04002304 A EP04002304 A EP 04002304A EP 04002304 A EP04002304 A EP 04002304A EP 1445828 A2 EP1445828 A2 EP 1445828A2
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EP
European Patent Office
Prior art keywords
ring structures
monopoly
antenna according
ring structure
frequency
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Granted
Application number
EP04002304A
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German (de)
French (fr)
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EP1445828A3 (en
EP1445828B8 (en
EP1445828B1 (en
Inventor
Heinz Lindenmeier
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Delphi Deutschland GmbH
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Fuba Automotive GmbH and Co KG
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Publication of EP1445828B1 publication Critical patent/EP1445828B1/en
Publication of EP1445828B8 publication Critical patent/EP1445828B8/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32—Vertical arrangement of element
    • H01Q9/36—Vertical arrangement of element with top loading
    • 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
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/321—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements

Definitions

  • the invention relates to an antenna with a monopoly character for at least two radio services, Consisting of a monopole element which is executed essentially along a straight line 11 10th
  • Monopole antennas for multiple radio services are e.g. known from DE 101 63 793 A1.
  • the block diagram of an antenna for several radio services is given in FIG. 21b.
  • the radiator length of the vertical antenna conductor is the lowest for the radio service Frequency chosen large enough.
  • suitable blind elements for design in the vertical antenna conductor of the vertical diagram and the base impedance are suitable blind elements for design in the vertical antenna conductor of the vertical diagram and the base impedance.
  • the radiator length is not sufficiently large for the lowest frequency range choose, but to use shortened radiators for several radio services.
  • An antenna with a desired low design for several radio services is in EP 0 952 625 A2 specified.
  • Such an antenna has the disadvantage that it is due to its Rotational symmetry deviating form azimuthally not sufficiently omnidirectional Directional diagram. Furthermore, it can e.g. due to their design not like in the DE 101 63 793 A 1 specified as radio antenna for several radio services with the one there specified antenna can be used for satellite reception.
  • Object of the present invention is an antenna according to the preamble of Claim 1 to specify which is a small in rotationally symmetrical properties Height allows and in the different frequency ranges of the specified Radio services each have the directional diagram of an electrically short monopole antenna and each has an antenna impedance that is favorable for impedance matching.
  • Fig. 1 is a monopole antenna over conductive base 9 according to the proposed Invention specified.
  • the roof capacity 1 consists of two in the present example Ring structures 2 arranged concentrically to one another.
  • the monopole element 10 is on its upper end connected to an inner ring structure 2 via reactance circuits 4.
  • the outer ring structure 2 is connected to the inner one via further reactance circuits 4 Ring structure 2 connected.
  • the reactance circuits 4 are advantageously switched off Shown dummy elements 8, the reactance X (f) is designed such that the Reactance circuits 4 which connect the outer ring structure 2 with the inner ring structure 2 connect, in the frequency range of the radio service with the higher frequency accordingly is high-resistance, so that the outer ring structure 2 is largely ineffective.
  • Reactance circuits 4 sufficiently low. Due to the specified arrangement can suitable choice of the outer dimensions 7 of the ring structures 2 can be ensured that the vertical diagram of the monopole antenna with roof capacity 1 in both frequency ranges corresponds to that of an electrically small radiator. Furthermore, the choice of the Reactance circuits 4 ensure that the impedance at the base of the monopoly is almost real in both frequency ranges and adjustment can be easily made.
  • the reactance circuits 4 divided into several individual circuits made of dummy elements 8, which extend over the circumference the ring structures 2 are evenly distributed.
  • the inner radius of the innermost ring structure 2 is chosen to be zero, so that the innermost ring structure 2 degenerates into a circular closed surface 5.
  • the antenna for three frequency ranges, so that in all three areas works as an electrically short antenna.
  • FIG. 3 is an antenna for radio services for two frequency ranges shown.
  • the reactance circuits 4 in FIG. 3 are advantageously 1710 MHz and 2170 MHz as shown in Fig. 4 designed.
  • the circuit of dummy elements 8 given there can e.g. be divided into four reactance circuits 4, so that the shown Reactive resistances should be selected four times higher in each individual circuit.
  • Such Antenna can therefore due to the given rotational symmetry of the overall arrangement, which is essential for the combination of the satellite radio antenna specified there, in advantageously used instead of the radiator 20 in FIG. 22 of DE 101 63 793 A1 become.
  • the condition is rotational symmetry due to the small external dimension 7 of the individual compared to the wavelength Ring structures 2 in the relevant frequency ranges in connection with the Ineffectiveness of the outer ring structures 2 switched off at higher frequencies also fulfilled if the ring structures 2 deviate from the circular structure.
  • Such one Antenna which, as in Fig. 5 with a square-shaped closed surface 5 as. innermost ring structure 2 and a square outer ring structure 2, has an azimuthal directional diagram at the higher frequency, which is shown in FIG. 6a is.
  • the outer dimension 7 corresponds to a relative length of .5.
  • FIGS. 6b and 6c also show that the vertical diagrams correspond to those of an electrically short monopole in both frequency ranges.
  • Fig. 7 the impedances for both frequency ranges are marked and show values for which simple way impedance matching can be achieved.
  • the gap width 6 should be chosen sufficiently large. On the other hand, this should However, should not be chosen too large, so that the space of the remaining area of the Ring structures 2 is not too small.
  • 8a and 8b are possible reactance circuits 4 for an antenna according to FIG. 2 for three Frequency ranges with the frequencies occurring therein f3 as the lowest and f1 as that highest frequency specified.
  • 8a shows the frequency response of the reactance X1 (f) for the area between the inner closed surface 5 and the subsequent one Ring structure 2 switched reactance circuits 4 with low resistance values in the Areas 2 and 3 and high-resistance values for separating the outermost ring structure 2 in highest frequency range 1. Analogously to this, FIG.

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Abstract

The antenna consists of a monopole element (10) essentially implemented along a straight line with an essentially planar top capacitance (1) whose surface normal (12) is in the straight line direction and is connected to the monopole element. The top capacitance is essentially rotation symmetrical and formed by planar ring structures (2) separated by annular gaps (3).

Description

Die Erfindung betrifft eine Antenne mit Monopolcharakter für mindestens zwei Funkdienste, bestehend aus einem im Wesentlichen längs einer geraden Linie 11 ausgeführten Monopolelement 10.The invention relates to an antenna with a monopoly character for at least two radio services, Consisting of a monopole element which is executed essentially along a straight line 11 10th

Monopolantennen für mehrere Funkdienste sind z.B. bekannt aus der DE 101 63 793 A 1. Dort ist in Fig. 21b das Blockdiagramm einer Antenne für mehrere Funkdienste angegeben. Die Strahlerlänge des vertikalen Antennenleiters wird für den Funkdienst mit der niedrigsten Frequenz hinreichend groß gewählt. Für den Fall einer erforderlichen frequenzselektiven Verkürzung der elektrisch wirksamen Strahlenlänge für höhere Funkkanalfrequenzen werden im vertikalen Antennenleiter Unterbrechungsstellen geeignete Blindelemente zur Gestaltung des Vertikaldiagramms und der Fußpunktsimpedanz eingefügt. Vielfach besteht jedoch der Wunsch, die Strahlerlänge nicht für den niedrigsten Frequenzbereich hinreichend groß zu wählen, sondern verkürzte Strahler für mehrere Funkdienste einzusetzen. Eine Antenne mit einer gewünscht niedrigen Bauform für mehrere Funkdienste ist in der EP 0 952 625 A2 angegeben. Eine derartige Antenne besitzt den Nachteil, dass sie aufgrund ihrer von der Rotationssymmetrie abweichenden Form azimutal kein hinreichend omnidirektionales Richtdiagramm besitzt. Weiterhin kann sie z.B. aufgrund ihrer Bauform nicht wie in der DE 101 63 793 A 1 angegeben als Funkantenne für mehrere Funkdienste mit der dort angegebenen Antenne für den Satellitenempfang verwendet werden.Monopole antennas for multiple radio services are e.g. known from DE 101 63 793 A1. There, the block diagram of an antenna for several radio services is given in FIG. 21b. The radiator length of the vertical antenna conductor is the lowest for the radio service Frequency chosen large enough. In the event of a required frequency selective Shortening the electrically effective beam length for higher radio channel frequencies suitable blind elements for design in the vertical antenna conductor of the vertical diagram and the base impedance. However, in many cases Desire that the radiator length is not sufficiently large for the lowest frequency range choose, but to use shortened radiators for several radio services. An antenna with a desired low design for several radio services is in EP 0 952 625 A2 specified. Such an antenna has the disadvantage that it is due to its Rotational symmetry deviating form azimuthally not sufficiently omnidirectional Directional diagram. Furthermore, it can e.g. due to their design not like in the DE 101 63 793 A 1 specified as radio antenna for several radio services with the one there specified antenna can be used for satellite reception.

Aufgabe für die vorliegende Erfindung ist es, eine Antenne nach dem Oberbegriff des Anspruchs 1 anzugeben, welche bei rotationssymmetrischen Eigenschaften eine kleine Bauhöhe ermöglicht und in den unterschiedlichen Frequenzbereichen der vorgegebenen Funkdienste jeweils das Richtdiagramm einer elektrisch kurzen Monopolantenne besitzt und jeweils eine für die Impedanzanpassung günstige Antennenimpedanz besitzt.Object of the present invention is an antenna according to the preamble of Claim 1 to specify which is a small in rotationally symmetrical properties Height allows and in the different frequency ranges of the specified Radio services each have the directional diagram of an electrically short monopole antenna and each has an antenna impedance that is favorable for impedance matching.

In Fig. 1 ist eine Monopolantenne über leitender Grundfläche 9 gemäß der vorgeschlagenen Erfindung angegeben. Die Dachkapazität 1 besteht im vorliegenden Beispiel aus zwei zueinander konzentrisch angeordneten Ringstrukturen 2. Das Monopolelement 10 ist an seinem oberen Ende über Reaktanzschaltungen 4 mit einer inneren Ringstruktur 2 verbunden. Die äußere Ringstruktur 2 ist über weitere Reaktanzschaltungen 4 mit der inneren Ringstruktur 2 verbunden. Die Reaktanzschaltungen 4 werden in vorteilhafter Weise aus Blindelementen 8 dargestellt, deren Blindwiderstand X(f) derart gestaltet ist, dass die Reaktanzschaltungen 4, welche die äußere Ringstruktur 2 mit der inneren Ringstruktur 2 verbinden, im Frequenzbereich des Funkdienstes mit der höheren Frequenz entsprechend hochohmig ist, so dass die äußere Ringstruktur 2 weitgehend unwirksam ist. Im Frequenzbereich des Funkdienstes mit der niedrigeren Frequenz sind alle in Fig. 1 dargestellten Reaktanzschaltungen 4 hinreichend niederohmig. Durch die angegebene Anordnung kann bei geeigneter Wahl der Außenabmessungen 7 der Ringstrukturen 2 sichergestellt werden, dass das Vertikal diagramm der Monopolantenne mit Dachkapazität 1 in beiden Frequenzbereichen dem eines elektrisch kleinen Strahlers entspricht. Weiterhin kann durch geeignete Wahl der Reaktanzschaltungen 4 sichergestellt werden, dass die Impedanz am Fußpunkt des Monopols in beiden Frequenzbereichen nahezu reell ist und Anpassung leicht hergestellt werden kann.In Fig. 1 is a monopole antenna over conductive base 9 according to the proposed Invention specified. The roof capacity 1 consists of two in the present example Ring structures 2 arranged concentrically to one another. The monopole element 10 is on its upper end connected to an inner ring structure 2 via reactance circuits 4. The outer ring structure 2 is connected to the inner one via further reactance circuits 4 Ring structure 2 connected. The reactance circuits 4 are advantageously switched off Shown dummy elements 8, the reactance X (f) is designed such that the Reactance circuits 4 which connect the outer ring structure 2 with the inner ring structure 2 connect, in the frequency range of the radio service with the higher frequency accordingly is high-resistance, so that the outer ring structure 2 is largely ineffective. In the frequency domain of the radio service with the lower frequency are all shown in Fig. 1 Reactance circuits 4 sufficiently low. Due to the specified arrangement can suitable choice of the outer dimensions 7 of the ring structures 2 can be ensured that the vertical diagram of the monopole antenna with roof capacity 1 in both frequency ranges corresponds to that of an electrically small radiator. Furthermore, the choice of the Reactance circuits 4 ensure that the impedance at the base of the monopoly is almost real in both frequency ranges and adjustment can be easily made.

Je nach Anforderung an die Rotationssymmetrie der Richtdiagramme werden in einer vorteilhaften Ausgestaltung der vorgeschlagenen Erfindung die Reaktanzschaltungen 4 aufgeteilt auf mehrere einzelne Schaltungen aus Blindelementen 8, welche über den Umfang der Ringstrukturen 2 gleichmäßig verteilt werden.Depending on the requirements for the rotational symmetry of the directional diagrams are in a advantageous embodiment of the proposed invention, the reactance circuits 4 divided into several individual circuits made of dummy elements 8, which extend over the circumference the ring structures 2 are evenly distributed.

In Fig. 2 ist der Innenradius der innersten Ringstruktur 2 zur Null gewählt, so dass die innerste Ringstruktur 2 zu einer kreisförmigen geschlossenen Fläche 5 entartet. In der dargestellten Form mit weiteren zwei Ringstrukturen 2 ist es mit der vorgeschlagenen Erfindung möglich, die Antenne für drei Frequenzbereiche auszugestalten, so dass sie in allen drei Bereichen als elektrisch kurze Antenne arbeitet.In Fig. 2, the inner radius of the innermost ring structure 2 is chosen to be zero, so that the innermost ring structure 2 degenerates into a circular closed surface 5. In the shown shape with another two ring structures 2, it is with the proposed Invention possible to design the antenna for three frequency ranges, so that in all three areas works as an electrically short antenna.

Auf ähnliche Weise ist in Fig. 3 eine Antenne für Funkdienste für zwei Frequenzbereiche dargestellt. Im Falle der kombinierten Abdeckung mehrerer Telefondienste in einer Antenne gemäß dem AMPS/GSM900-Standard in einem ersten Frequenzbereich von 824 MHz bis 960 MHz und dem GSM1800/PCS/CJMTS-Standard in einem zweiten Frequenzbereich zwischen 1710 MHz und 2170 MHz sind die Reaktanzschaltungen 4 in Fig. 3 auf vorteilhafte Weise wie in Fig. 4 angegeben, gestaltet. Die dort angegebene Schaltung aus Blindelementen 8 kann z.B. in vier Reaktanzschaltungen 4 aufgeteilt werden, so dass die dargestellten Blindwiderstände in jeder Einzelschaltung viermal hochohmiger zu wählen sind. Eine solche Antenne kann demnach aufgrund der gegebenen Rotationssymmetrie der Gesamtanordnung, welche für die Kombination der dort angegebenen Satellitenfunkantenne unabdingbar ist, in vorteilhafter Weise anstelle des Strahlers 20 in Fig. 22 der DE 101 63 793 A 1 eingesetzt werden.3 is an antenna for radio services for two frequency ranges shown. In the case of combined coverage of several telephone services in one antenna according to the AMPS / GSM900 standard in a first frequency range from 824 MHz to 960 MHz and the GSM1800 / PCS / CJMTS standard in a second frequency range between The reactance circuits 4 in FIG. 3 are advantageously 1710 MHz and 2170 MHz as shown in Fig. 4 designed. The circuit of dummy elements 8 given there can e.g. be divided into four reactance circuits 4, so that the shown Reactive resistances should be selected four times higher in each individual circuit. Such Antenna can therefore due to the given rotational symmetry of the overall arrangement, which is essential for the combination of the satellite radio antenna specified there, in advantageously used instead of the radiator 20 in FIG. 22 of DE 101 63 793 A1 become.

Bei einer Strahlerform nach der Erfindung ist die Bedingung der Rotationssymmetrie aufgrund der im Vergleich zur Wellenlänge kleinen Außenabmessung 7 der einzelnen Ringstrukturen 2 in den betreffenden Frequenzbereichen in Verbindung mit der Wirkungslosigkeit der bei höheren Frequenzen abgeschalteten äußeren Ringstrukturen 2 auch erfüllt, wenn die Ringstrukturen 2 von der kreisrunden Struktur abweichen. Eine derartige Antenne welche, wie in Fig. 5 mit einer quadratisch gestalteten geschlossenen Fläche 5 als. innerste Ringstruktur 2 und einer quadratisch gestalteten äußeren Ringstruktur 2 gestaltet ist, besitzt bei der höheren Frequenz ein azimutales Richtdiagramm, welches in Fig. 6a dargestellt ist. Bei dieser Frequenz entspricht die Außenabmessung 7 einer relative Länge von .5. Damit zeigt sich auf überraschende Weise, dass aufgrund der Hochohmigkeit der Reaktanzschaltungen 4 in Fig. 5 bei der höheren Frequenz die äußere Ringstruktur 2 das azimutale Diagramm nicht verfälscht. Ebenso geht aus den Figuren 6b und 6c hervor, dass die Vertikaldiagramme in beiden Frequenzbereichen denen eines elektrisch kurzen Monopols entsprechen. In Fig. 7 sind die Impedanzen für beide Frequenzbereiche markiert und zeigen Werte, für welche auf einfache Weise Impedanzanpassung erreicht werden kann.In the case of a radiator shape according to the invention, the condition is rotational symmetry due to the small external dimension 7 of the individual compared to the wavelength Ring structures 2 in the relevant frequency ranges in connection with the Ineffectiveness of the outer ring structures 2 switched off at higher frequencies also fulfilled if the ring structures 2 deviate from the circular structure. Such one Antenna which, as in Fig. 5 with a square-shaped closed surface 5 as. innermost ring structure 2 and a square outer ring structure 2, has an azimuthal directional diagram at the higher frequency, which is shown in FIG. 6a is. At this frequency, the outer dimension 7 corresponds to a relative length of .5. In order to shows in a surprising way that due to the high impedance of the reactance circuits 4 in FIG. 5 at the higher frequency the outer ring structure 2 the azimuthal diagram not falsified. FIGS. 6b and 6c also show that the vertical diagrams correspond to those of an electrically short monopole in both frequency ranges. In Fig. 7 the impedances for both frequency ranges are marked and show values for which simple way impedance matching can be achieved.

Um die kapazitive Kopplung zwischen den Ringstrukturen 2 ausreichend vorteilhaft klein zu gestalten, sollte die Spaltbreite 6 hinreichend groß gewählt sein. Andererseits sollte diese jedoch nicht zu groß gewählt sein, damit die Raumkapazität der verbleibenden Fläche der Ringstrukturen 2 nicht zu klein ist.In order to make the capacitive coupling between the ring structures 2 sufficiently small shape, the gap width 6 should be chosen sufficiently large. On the other hand, this should However, should not be chosen too large, so that the space of the remaining area of the Ring structures 2 is not too small.

In Fig. 8a und 8b sind mögliche Reaktanzschaltungen 4 für eine Antenne nach Fig.2 für drei Frequenzbereiche mit den darin auftretenden Frequenzen f3 als der niedrigsten und f1 als der höchsten Frequenz angegeben. Hierin zeigt Fig. 8a den Frequenzverlauf des Blindwiderstands X1(f) für die zwischen der inneren geschlossene Fläche 5 und der anschließenden Ringstruktur 2 geschalteten Reaktanzschaltungen 4 mit niederohmigen Werten in den Bereichen 2 und 3 und hochohmigen Werten zur Abtrennung der äußersten Ringstruktur 2 im höchsten Frequenzbereich 1. Analog hierzu zeigt Fig. 8b den Frequenzverlauf des Blindwiderstands X2(f) für die zwischen der äußersten und der nächst inneren Ringstruktur 2 geschalteten Reaktanzschaltung 4 mit niederohmigen Werten im Frequenzbereich 3 und hochohmigen Werten zur Abtrennung der beiden äußeren Ringstrukturen 2 in den höheren Frequenzbereichen f2 und f1. 8a and 8b are possible reactance circuits 4 for an antenna according to FIG. 2 for three Frequency ranges with the frequencies occurring therein f3 as the lowest and f1 as that highest frequency specified. 8a shows the frequency response of the reactance X1 (f) for the area between the inner closed surface 5 and the subsequent one Ring structure 2 switched reactance circuits 4 with low resistance values in the Areas 2 and 3 and high-resistance values for separating the outermost ring structure 2 in highest frequency range 1. Analogously to this, FIG. 8b shows the frequency response of the Reactive resistance X2 (f) for between the outermost and the next inner ring structure 2 switched reactance circuit 4 with low-resistance values in the frequency range 3 and high-resistance values for separating the two outer ring structures 2 in the higher ones Frequency ranges f2 and f1.

Liste der BezeichnungenList of names

  • Dachkapazität 1Roof capacity 1
  • Ringstruktur 2Ring structure 2
  • Ringförmiger Spalt 3Annular gap 3
  • Reaktanzschaltungen 4Reactance circuits 4
  • geschlossene Fläche 5closed area 5
  • Spaltbreite 6Gap width 6
  • Außenabmessungen 7External dimensions 7
  • Blindelemente 8Blind elements 8
  • Leitende Ebene 9Senior level 9
  • Monopolelement 10Monopoly element 10
  • gerade Linie 11straight line 11
  • Flächennormale 12Area normal 12

    • Claims (10)

    Antenne mit Monopolcharakter für mindestens zwei Funkdienste, bestehend aus einem im Wesentlichen längs einer geraden Linie (11) ausgeführten Monopolelement (10),
    dadurch gekennzeichnet, dass
    das Monopolelement (10) mit einer im Wesentlichen flächenhaft ausgeführten Dachkapazität (1), deren Flächennormale (12) in Richtung der geraden Linie (11) weist und diese mit dem Monopolelement (10) verbunden ist und die Dachkapazität (1) im Wesentlichen rotationssymmetrisch und aus einander umgebenden und durch ringförmige Spalte (3) voneinander getrennten flächenhaften Ringstrukturen (2), die konzentrisch zu der geraden Linie (11) orientiert s ind, g ebildet ist u nd R eaktanzschaltungen ( 4) v orhanden s ind, d urch w eiche d ie Ringstrukturen frequenzabhängig miteinander verbunden sind in der Weise, dass für einen Funkdienst mit der niedrigsten Frequenz alle flächenhaften Ringstrukturen wirksam sind und für den Funkdienst mit der nächst höheren Frequenz die äußerste Ringstruktur (2), durch Hochohmigkeit der Reaktanzschaltungen (4) im Wesentlichen unwirksam ist und diese Gesetzmäßigkeit bei Vorhandensein von mehr als zwei Funkdiensten dahingehend fortgesetzt ist, dass mit höherer Frequenz der Funkdienste die Abmessung des äußersten der miteinander durch niederohmige Reaktanzschaltungen (4) verbundenen wirksamen Ringstrukturen (2) kleiner ist (Fig. 1).    Antenna with a monopoly character for at least two radio services, consisting of a monopole element (10) which is executed essentially along a straight line (11),
    characterized in that
    the monopole element (10) has an essentially flat roof capacity (1), the surface normal (12) of which points in the direction of the straight line (11) and this is connected to the monopole element (10) and the roof capacity (1) is essentially rotationally symmetrical and consisting of planar ring structures (2) which are surrounded by one another and separated from one another by annular gaps (3) and which are oriented concentrically to the straight line (11) and are formed and reactance circuits (4) are present, which means that they are soft The ring structures are connected to each other in a frequency-dependent manner in such a way that all areal ring structures are effective for a radio service with the lowest frequency and the outermost ring structure (2) is essentially ineffective for the radio service with the next higher frequency due to the high impedance of the reactance circuits (4) and this law is continued in the presence of more than two radio services because ss with higher frequency of the radio services, the dimension of the outermost of the effective ring structures (2) connected to one another by low-resistance reactance circuits (4) is smaller (FIG. 1).         Antenne mit Monopolcharakter nach Anspruch 1,
    dadurch gekennzeichnet, dass
    der Innenradius der innersten Ringstruktur (2) zu Null gewählt ist, so dass diese als geschlossene Fläche (5) gestaltet ist und diese mit dem Monopolelement (10) verbunden ist (Fig. 2).    Monopoly antenna according to claim 1,
    characterized in that
    the inner radius of the innermost ring structure (2) is selected to be zero, so that it is designed as a closed surface (5) and is connected to the monopole element (10) (FIG. 2).         Antenne mit Monopolcharakter nach Anspruch 1,
    dadurch gekennzeichnet, dass
    der Innenradius der innersten Ringstruktur (2) mit einer Spaltbreite (6) ausgebildet und die Verbindung zwischen der innersten Ringstruktur (2) und dem Monopolelement (10) durch mindestens eine Reaktanzschaltung (4) gegeben ist (Fig. 1).     Monopoly antenna according to claim 1,
    characterized in that
    the inner radius of the innermost ring structure (2) is formed with a gap width (6) and the connection between the innermost ring structure (2) and the monopole element (10) is provided by at least one reactance circuit (4) (FIG. 1).         Antenne mit Monopolcharakter nach Anspruch 1 und 2,
    dadurch gekennzeichnet, dass
    die Reaktanzschaltungen (4) aus Blindelementen (8) gestaltet sind, welche derart gewählt sind, dass alle Ringstrukturen, welche im Frequenzbereich eines der Funkdienste zur Bildung der wirksamen Dachkapazität beitragen jeweils über die Kette der Reaktanzschaltungen (4) in diesem Frequenzbereich niederohmig mit dem Monopolelement (10) verbunden sind (Fig. 8a, b).    Monopoly antenna according to claims 1 and 2,
    characterized in that
    the reactance circuits (4) are designed from dummy elements (8), which are selected such that all ring structures which contribute to the formation of the effective roof capacity in the frequency range of one of the radio services each have a low-resistance connection with the monopole element in this frequency range via the chain of reactance circuits (4) (10) are connected (Fig. 8a, b).         Antenne mit Monopolcharakter nach Anspruch 1 und 2,
    dadurch gekennzeichnet, dass
    zur Verbesserung der Rotationssymmetrie der Anordnung mehrere, gleichmäßig am Umfang der Ringstrukturen (2) angebrachte Reaktanzschaltungen (4) vorhanden sind, deren parallele elektrische Wirkung einen hinreichend großen wirksamen Blindwiderstand X(f) für die höheren Frequenzbereiche bildet, der für die Anschaltung des nächsten äußeren Ringes bei den tieferen Frequenzen jedoch hinreichend niederohmig ist (Fig. 1).    Monopoly antenna according to claims 1 and 2,
    characterized in that
    In order to improve the rotational symmetry of the arrangement, there are several reactance circuits (4) which are evenly attached to the circumference of the ring structures (2) and whose parallel electrical action forms a sufficiently large effective reactance resistor X (f) for the higher frequency ranges, which is used for connecting the next outer one Ring at the lower frequencies, however, is sufficiently low-resistance (Fig. 1).         Antenne mit Monopolcharakter nach Anspruch 4 und 5 in Verbindung mit Anspruch 2 für die Funkdienste AMPS/GSM900 in einem ersten Frequenzbereich und die Funkdienste GSM1800/PCS/UMTS in einem zweiten Frequenzbereich,
    dadurch gekennzeichnet, dass
    die Dachkapazität (1) eine geschlossene Fläche (5) und eine diese umgebende Ringstruktur (2) enthält und die Reaktanzschaltungen (4) aus Blindelementen (8) derart gestaltet sind, dass der Blindwiderstand X(f) im höher gelegenen zweiten Frequenzbereich einen Pol enthält und hinreichend hochohmig ist und im niedriger gelegenen ersten Frequenzbereich eine Nullstelle besitzt und hinreichend niederohmig ist (Fig. 3 und 4).    Antenna with monopoly character according to claims 4 and 5 in conjunction with claim 2 for the radio services AMPS / GSM900 in a first frequency range and the radio services GSM1800 / PCS / UMTS in a second frequency range,
    characterized in that
    the roof capacitance (1) contains a closed surface (5) and a ring structure (2) surrounding it, and the reactance circuits (4) are made of dummy elements (8) in such a way that the reactive resistor X (f) contains a pole in the higher second frequency range and is sufficiently high-impedance and has a zero in the lower-lying first frequency range and is sufficiently low-impedance (FIGS. 3 and 4).         Antenne mit Monopolcharakter nach Anspruch 1 bis 6,
    dadurch gekennzeichnet, dass
    die S paltbreite (6) einerseits hinreichend groß gewählt ist, damit die kapazitive Kopplung zwischen den Ringstrukturen (2) ausreichend klein ist und andererseits nicht zu groß gewählt ist, damit die Raumkapazität der verbleibenden Fläche der Ringstrukturen (2) nicht zu klein ist (Fig. 3).    Monopoly antenna according to claims 1 to 6,
    characterized in that
    the gap width (6) is chosen on the one hand to be sufficiently large so that the capacitive coupling between the ring structures (2) is sufficiently small and on the other hand is not chosen too large so that the spatial capacity of the remaining area of the ring structures (2) is not too small (FIG 3).         Antenne mit Monopolcharakter nach Anspruch 1 bis 7,
    dadurch gekennzeichnet, dass
    die geschlossene Fläche (5) quadratisch und der äußere und innere Rand der Ringstruktur (2) quadratisch gestaltet sind und der ringförmige Spalt (3) hinreichend groß ist und mit gleichbleibender Spaltbreite (6) längs des Umfangs der quadratischen Ringstruktur (2) verläuft (Fig. 5).    Monopoly antenna according to claims 1 to 7,
    characterized in that
    the closed surface (5) is square and the outer and inner edge of the ring structure (2) are square and the annular gap (3) is sufficiently large and runs along the circumference of the square ring structure (2) with a constant gap width (6) (Fig 5).         Antenne mit Monopolcharakter nach Anspruch 8,
    dadurch gekennzeichnet, dass
    die Dachkapazität (1) aufgrund einer konstruktiven Anforderung in Längs- und Querrichtung unterschiedliche Abmessungen besitzt und das Verhältnis von Längs/Querabmessung nicht größer ist als 3.    Monopoly antenna according to claim 8,
    characterized in that
    the roof capacity (1) has different dimensions in the longitudinal and transverse directions due to a structural requirement and the ratio of longitudinal / transverse dimensions is not greater than 3.         Antenne mit Monopolcharakter nach Anspruch 8,
    dadurch gekennzeichnet, dass
    die g eschlossene F läche ( 5) u nd a lle R änder d er R ingstrukturen (2) k reisrund u nd k onzentrisch gestaltet sind und der ringförmige Spalt (3) somit mit gleichbleibender Spaltbreite (6) längs dem Umfang der kreisförmigen Ringstrukturen (2) ausgebildet ist.    Monopoly antenna according to claim 8,
    characterized in that
    the closed surface (5) and all the edges of the ring structures (2) are circular and concentric in design, and the annular gap (3) thus has a constant gap width (6) along the circumference of the circular ring structures ( 2) is formed.
    EP04002304.6A 2003-02-06 2004-02-03 Antenna having a monopole design for use in several wireless communication services Expired - Fee Related EP1445828B8 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE10304909.6A DE10304909B4 (en) 2003-02-06 2003-02-06 Antenna with monopoly character for several radio services
    DE10304909 2003-02-06

    Publications (4)

    Publication Number Publication Date
    EP1445828A2 true EP1445828A2 (en) 2004-08-11
    EP1445828A3 EP1445828A3 (en) 2007-05-02
    EP1445828B1 EP1445828B1 (en) 2017-09-27
    EP1445828B8 EP1445828B8 (en) 2017-11-01

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    ID=32603184

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP04002304.6A Expired - Fee Related EP1445828B8 (en) 2003-02-06 2004-02-03 Antenna having a monopole design for use in several wireless communication services

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    US (1) US6956533B2 (en)
    EP (1) EP1445828B8 (en)
    DE (1) DE10304909B4 (en)

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    EP1610413A1 (en) * 2004-03-04 2005-12-28 Matsushita Electric Industrial Co., Ltd. Top-loaded monopole antenna
    WO2007057300A1 (en) * 2005-11-21 2007-05-24 Robert Bosch Gmbh Multiband omnidirectional antenna
    EP2693565A1 (en) 2012-07-29 2014-02-05 Delphi Deutschland GmbH Electrical radiator for vertically polarised radio signals
    DE102013219377A1 (en) 2013-09-26 2015-03-26 Tyco Electronics Amp Gmbh ANTENNA ARRANGEMENT WITH ANTENNA UNIT AND CONNECTOR UNIT
    WO2016042061A1 (en) * 2014-09-21 2016-03-24 Fuba Automotive Electronics Gmbh Multi-structure broadband monopole antenna for two frequency bands in the decimeter wave range separated by a frequency gap, for motor vehicles

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    DE102006039357B4 (en) * 2005-09-12 2018-06-28 Heinz Lindenmeier Antenna diversity system for radio reception for vehicles
    US7683843B2 (en) 2005-11-08 2010-03-23 M/A-Com Technology Solutions Holdings, Inc. Multiband antennas and devices
    US7411560B2 (en) * 2006-09-30 2008-08-12 M/A-Com, Inc. Low profile antennas and devices
    EP2095462B1 (en) * 2006-12-21 2010-07-14 BAE Systems PLC Antenna
    DE102007017478A1 (en) * 2007-04-13 2008-10-16 Lindenmeier, Heinz, Prof. Dr. Ing. Receiving system with a circuit arrangement for the suppression of switching interference in antenna diversity
    DE102008031068A1 (en) * 2007-07-10 2009-01-15 Lindenmeier, Heinz, Prof. Dr. Ing. Antenna diversity system for relatively broadband radio reception in vehicles
    DE102007039914A1 (en) * 2007-08-01 2009-02-05 Lindenmeier, Heinz, Prof. Dr. Ing. Antenna diversity system with two antennas for radio reception in vehicles
    DE102008003532A1 (en) * 2007-09-06 2009-03-12 Lindenmeier, Heinz, Prof. Dr. Ing. Antenna for satellite reception
    EP2209221B8 (en) * 2009-01-19 2019-01-16 Fuba Automotive Electronics GmbH Receiver for summating phased antenna signals
    DE102009011542A1 (en) * 2009-03-03 2010-09-09 Heinz Prof. Dr.-Ing. Lindenmeier Antenna for receiving circularly in a direction of rotation of the polarization of broadcast satellite radio signals
    DE102009023514A1 (en) * 2009-05-30 2010-12-02 Heinz Prof. Dr.-Ing. Lindenmeier Antenna for circular polarization with a conductive base
    US8421684B2 (en) 2009-10-01 2013-04-16 Qualcomm Incorporated Methods and apparatus for beam steering using steerable beam antennas with switched parasitic elements
    JP2013098791A (en) * 2011-11-01 2013-05-20 Mitsubishi Cable Ind Ltd Antenna
    JP2015207830A (en) * 2014-04-17 2015-11-19 株式会社日本自動車部品総合研究所 planar antenna device
    JP6528496B2 (en) * 2015-03-23 2019-06-12 株式会社Ｓｏｋｅｎ Antenna device

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    Cited By (11)

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    Publication number Priority date Publication date Assignee Title
    EP1610413A1 (en) * 2004-03-04 2005-12-28 Matsushita Electric Industrial Co., Ltd. Top-loaded monopole antenna
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    US8004465B2 (en) 2005-11-21 2011-08-23 Robert Bosch Gmbh Multiband omnidirectional antenna
    EP2693565A1 (en) 2012-07-29 2014-02-05 Delphi Deutschland GmbH Electrical radiator for vertically polarised radio signals
    DE102012014913A1 (en) 2012-07-29 2014-05-15 Heinz Lindenmeier Electrically small spotlight for vertically polarized radio signals
    DE102013219377A1 (en) 2013-09-26 2015-03-26 Tyco Electronics Amp Gmbh ANTENNA ARRANGEMENT WITH ANTENNA UNIT AND CONNECTOR UNIT
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    WO2016042061A1 (en) * 2014-09-21 2016-03-24 Fuba Automotive Electronics Gmbh Multi-structure broadband monopole antenna for two frequency bands in the decimeter wave range separated by a frequency gap, for motor vehicles
    US10305191B2 (en) 2014-09-21 2019-05-28 Fuba Automotive Electronics Gmbh Multi-structure broadband monopole antenna for two frequency bands in the decimeter wave range separated by a frequency gap, for motor vehicles

    Also Published As

    Publication number Publication date
    DE10304909A1 (en) 2004-08-19
    DE10304909B4 (en) 2014-10-09
    US20040160373A1 (en) 2004-08-19
    EP1445828A3 (en) 2007-05-02
    US6956533B2 (en) 2005-10-18
    EP1445828B8 (en) 2017-11-01
    EP1445828B1 (en) 2017-09-27

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