EP1493206B1 - Antenne a double bande - Google Patents

Antenne a double bande Download PDF

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Publication number
EP1493206B1
EP1493206B1 EP03745739A EP03745739A EP1493206B1 EP 1493206 B1 EP1493206 B1 EP 1493206B1 EP 03745739 A EP03745739 A EP 03745739A EP 03745739 A EP03745739 A EP 03745739A EP 1493206 B1 EP1493206 B1 EP 1493206B1
Authority
EP
European Patent Office
Prior art keywords
individual antennas
dual
antennas
individual
band antenna
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03745739A
Other languages
German (de)
English (en)
Other versions
EP1493206A1 (fr
Inventor
Markus Heiniger
Wolfgang Heyde
Cenk Koparan
André Merten
Martin Köng
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.)
Huber and Suhner AG
Original Assignee
Huber and Suhner 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 Huber and Suhner AG filed Critical Huber and Suhner AG
Priority to EP03745739A priority Critical patent/EP1493206B1/fr
Publication of EP1493206A1 publication Critical patent/EP1493206A1/fr
Application granted granted Critical
Publication of EP1493206B1 publication Critical patent/EP1493206B1/fr
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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
    • 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
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • 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
    • 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
    • H01Q5/42—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more imbricated arrays
    • 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 present invention relates to the field of antenna technology. she relates to a dual band antenna for a Base station.
  • a dual band antenna according to the preamble of claim 1 is known from document US-A-6,239,750.
  • UMTS U niversal M obile T elecommunication S ystem
  • Applications based on this standard require a new mobile network.
  • One component of this network are antennas, which, as the UMTS standard assumes new frequency ranges for transmission and reception, must also be redeveloped.
  • the existing mobile networks according to the conventional GSM 900/1800 standard, as well as a large number of other networks according to other standards, will continue to operate in parallel to the newly created UMTS standard for a not yet foreseeable period.
  • Dual polarized (dual slant) antennas for base stations consisting of an array of dual polarized individual emitters (individual antennas) have been known for a long time.
  • dual polarized broadband antennas which consist of a Array composed of the same dual polarized single radiators, which broadband are tuned to frequencies of 1710-2170 MHz, so that the Antenna covers both the GSM 1800 and the UMTS band.
  • a special effective and proven in practice single radiator of this kind is out WO-A1-01 / 76010 of the Applicant known.
  • dual polarized antennas known the GSM 900 and the GSM 1800 or GSM 1800 / UMTS band cover and derive from an array of appropriately tuned dual consist of polarized individual emitters.
  • US-B1-6,211,841 is a multi-band antenna for cellular base stations has been proposed in which the frequency bands of GSM-900, GSM-1800 and UMTS by a combination of two arrays with two different ones Single radiators in the form of cross dipoles (low band dipoles, high band dipoles) be covered.
  • a dual-band antenna in which a first linear array of patch emitters for the GSM band (860-970 MHz) with a second linear array of cross dipoles for the PCN band (1710-1880 MHz) is combined, wherein the cross dipoles in a first embodiment between the patch radiators and in a second embodiment directly over the Patch radiators are arranged.
  • the essence of the invention is first and second individual antennas in one to arrange a linear periodic array, the second individual antennas alternately between the first and above the first individual antennas are arranged, and wherein the first and second individual antennas respectively are formed as patch radiators, each one in a rectangular, electrically conductive, upwardly open box arranged printed circuit board and multiple patch panels include, which above the printed circuit board and parallel to the printed circuit board at a distance are arranged one above the other.
  • the special feature of this arrangement is that here not individual patch panels for different frequency bands one above the other and are arranged side by side, but that each of the Patch radiator with its arranged in the box PCB in the array used becomes.
  • the patch panels of a single antenna are preferably each with each other and to the printed circuit board by means of electrically insulating spacers Distance kept.
  • a preferred embodiment of the invention is characterized in that in the case of the second individual antennas, in each case three patch plates spaced one above the other are arranged that in the first individual antennas each two patch plates are arranged one above the other at a distance, and that at the first individual antennas in each case instead of a third patch plate, a second individual antenna with its box spaced above the top of the two patch panels.
  • the second individual antenna is also an integral part of the first at the same time Single antenna over which it is placed.
  • the first and second individual antennas are above one another in the antenna longitudinal direction extending, common base plate arranged.
  • the Base plate may be non-metallic. But the base plate can also be designed as a (metallic) reflector.
  • the first individual antennas are for coverage of the frequency range from 806-960 MHz and the second single antennas for the coverage of the Frequency range of 1710-2170 MHz designed.
  • Fig. 1 is a top plan view of a dual-band antenna according to a preferred Embodiment of the invention with removed cover shown.
  • the dual band antenna 10 includes an elongated housing 11 a Linear periodic arrangement (array) of first individual antennas (single beam) 14 and second individual antennas (single radiators) 15 and 16 over one the whole Housing 11 filling, elongated base plate 12.
  • the width of the base plate but can also be reduced to the width of the individual antennas.
  • the base plate 12 can be non-metallic. But it can also be metallic and then as a reflector Act.
  • the arrangement of the individual antennas 14, 15, 16 over a Reflector optimizes the forward / reverse ratio.
  • the first individual antennas 14 and a part of second individual antennas 15 are in the linear Array arranged alternately. In addition, concentric over the first Single antennas 14, the remaining second individual antennas 16 placed (see also Fig. 2). The distance between the second individual antennas 15, 16 is on this Half the size of the distance between the first individual antennas the minimum size of the second and first individual emitters results from this a distance of 0.78 and 0.87 times the wavelength, respectively, based on the midband frequency - between the first and second individual antennas.
  • the basic structure of the first and second individual antennas 14, 15 and 16 can best be explained by the cross-sectional view of FIG. 2:
  • the second individual antennas 15 and 16 are largely identical in construction. With you is in a square, upwardly open box 21, 26 of sheet metal respectively parallel to the ground at a distance from the bottom of the box 21, 26 a printed circuit board 22 and 27 arranged, the two-sidednatibahn- or conductor surface configuration in Fig. 5 and 6 is shown. Above the printed circuit board 22, 27 are parallel to the printed circuit board 22, 27 at different distances from each other three patch panels 23, 24, 25 and 28, 29, 30, respectively, which are excited by the printed circuit board 22, 27 and couple with the electromagnetic radiation.
  • the second single antennas 15, 16 are for the frequency band 1710-2170 MHz (GSM 1800, UMTS) and adjusted (UMTS spotlight). Their external dimensions and Patchblechabexception are therefore smaller than in the first individual antennas 14.
  • the UMTS radiators 15 and 16 are each in height above the base plate 12th arranged offset (Fig. 2).
  • the first individual antennas 14, for the frequency band 806-960 MHz (GSM 900 et seq.) (900 MHz emitters) are similar the second individual antennas 15, 16 constructed: With them is in a larger square, upwardly open box 17 of sheet metal in each case parallel to Floor at a distance from the bottom of the box 17 a printed circuit board 18 is arranged, the two-sided conductor or conductor surface configuration in FIGS. 3 and 4 reproduced is. About the printed circuit board 18 are parallel to the printed circuit board 18 in different Distance from each other two patch plates 19 and 20 are provided, the be excited by the printed circuit board 18 and with the electromagnetic radiation couple. Instead of a third patch plate is over the two patch plates 19, 20 arranged at a distance a second individual antenna 16 with its box 21.
  • the printed circuit boards 18 of the first individual antennas 14 and 22 and 27 of the second individual antennas 16 and 15 have on their upper side according to FIG. 3 or 5 different Conductor tracks 31, 32 and 34, 35 on. On the subpages are respectively Ground surfaces 33 and 36, respectively, in which in a crossed arrangement slit-shaped conductor structures 37, 38 and 39, 40 are formed.
  • the feed the individual antennas 14, 15, 16 can be made by any network.
  • the individual antennas 14, 15 and 16 shown in FIGS. 1 and 2 have - differently the patch radiator of WO-A1-01 / 76010 - none used to increase the bandwidth Tabs on the four sides of the box 17, 21, 26.
  • the necessary bandwidth is realized by the third (upper) patch plate 25, 30.
  • the box 21 of the UMTS emitter (single antenna 16) on the 900 MHz emitter (single antenna 14) has an effect comparable to a third patch plate, that is, through the UMTS spotlight is also increasing the bandwidth (due to capacitive Coupling between the UMTS box 21 and the two patch plates 19, 20 the 900 MHz box or slot structure (conductor structure 37, 38) of the printed circuit board 18 additional resonance frequencies are excited, which lead to an extension of the Lead bandwidth).
  • the box 17, 26, which the single antenna encloses.
  • the reflector plate serves as a base plate on the one hand 12 for mounting the boxes 17, 26 and the other is with the distance a Box optimized over such a reflector plate, the front / back ratio.
  • the optimal distance of the individual antennas 14 and 15, 16 in the array of the dual band antenna 10 is 0.7 times the wavelength of the respective band. from that follows that the distance between the UMTS emitters 15, 16 about half as large what the 900 MHz emitter 14 has to be. This rule follows the configuration in the present case.
  • the setup starts and ends with a 900 MHz emitter 14. In this way, a maximum number of both 900Mhz emitters 14 as well as UMTS emitters 15, 16 are housed. As a result, the profit can be maximized for a given antenna length and the Radiation diagrams are optimized.
  • Fig. 1 are a total of seven 900 MHz emitter 14 and thirteen UMTS emitters 15, 16 are provided in the array.
  • N integer> 0.
  • inventive dual-band antenna conceivable in which, for example, 5 first individual antennas and 9 second individual antennas or 9 first individual antennas and 17 second individual antennas combined are.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)

Claims (8)

  1. Antenne à double bande (10) avec une première disposition périodique linéaire de premières antennes individuelles (14) pour une première bande de fréquence et une deuxième disposition périodique linéaire de deuxième antennes individuelles (15, 16) pour une deuxième bande de fréquence, dans laquelle la période de la première disposition périodique linéaire est sensiblement deux fois plus grande que la période de la deuxième disposition périodique linéaire, et dans laquelle les deuxièmes antennes individuelles (15, 16) sont disposées en alternance entre les premières et au-dessus des premières antennes individuelles (14), et dans laquelle les premières antennes individuelles (14) et les deuxièmes antennes individuelles (15, 16) ont la forme d'émetteurs de correction, caractérisée en ce que les premières et les deuxièmes antennes individuelles (14, 15, 16) comprennent chaque fois une carte à circuits imprimés (18, 22, 27) disposée dans un boítier rectangulaire (17, 21, 26) électriquement conducteur, ouvert vers le haut, et plusieurs tôles de correction (19, 20; 23, 24, 25; 28, 29, 30), qui sont disposées au-dessus de la carte à circuits imprimés (18, 22, 27) et à distance l'une de l'autre parallèlement à la carte à circuits imprimés (18, 22, 27).
  2. Antenne à double bande selon la revendication 1, caractérisée en ce que les tôles de correction (19, 20; 23, 24, 25; 28, 29, 30) d'une antenne individuelle (14, 15, 16) sont maintenues chaque fois l'une en dessous de l'autre et à distance de la carte à circuits imprimés (18, 22, 27) au moyen d'éléments d'écartement électriquement isolants.
  3. Antenne à double bande selon la revendication 1 ou 2, caractérisée en ce que pour les deuxièmes antennes individuelles (15, 16) chaque fois trois tôles de correction (23, 24, 25; 28, 29, 30) sont disposées à distance l'une au-dessus de l'autre, en ce que pour les premières antennes individuelles (14) chaque fois deux tôles de correction (19, 20) sont disposées à distance l'une au-dessus de l'autre, et en ce que pour les premières antennes individuelles (14) chaque fois, au lieu d'une troisième tôle de correction, une deuxième antenne individuelle (16) avec son boítier (21) est disposée à distance au-dessus de la plus haute des deux tôles de correction (19, 20).
  4. Antenne à double bande selon l'une quelconque des revendications 1 à 3, caractérisée en ce que les premières et les deuxièmes antennes individuelles (14, 15, 16) sont disposées au-dessus d'une plaque de base commune (12) s'étendant dans la direction longitudinale des antennes.
  5. Antenne à double bande selon la revendication 4, caractérisée en ce que la plaque de base (12) se présente sous la forme d'un réflecteur.
  6. Antenne à double bande selon l'une quelconque des revendications 1 à 5, caractérisée en ce que les premières antennes individuelles (14) sont conçues pour couvrir le domaine de fréquence de 806-960 MHz et les deuxièmes antennes individuelles (15, 16) sont conçues pour couvrir le domaine de fréquence de 1710-2170 MHz.
  7. Antenne à double bande selon l'une quelconque des revendications 1 à 6, caractérisée en ce qu'au total N premières antennes individuelles (14) et 2N±1 deuxièmes antennes individuelles (15, 16) sont disposées dans l'antenne à double bande (10) (N = nombre entier > 0).
  8. Antenne à double bande selon la revendication 7, caractérisée en ce que N=7.
EP03745739A 2002-04-10 2003-04-08 Antenne a double bande Expired - Lifetime EP1493206B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03745739A EP1493206B1 (fr) 2002-04-10 2003-04-08 Antenne a double bande

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP02405285A EP1353405A1 (fr) 2002-04-10 2002-04-10 Antenne à double bande
EP02405285 2002-04-10
PCT/CH2003/000228 WO2003085782A1 (fr) 2002-04-10 2003-04-08 Antenne a double bande
EP03745739A EP1493206B1 (fr) 2002-04-10 2003-04-08 Antenne a double bande

Publications (2)

Publication Number Publication Date
EP1493206A1 EP1493206A1 (fr) 2005-01-05
EP1493206B1 true EP1493206B1 (fr) 2005-08-31

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ID=28051887

Family Applications (2)

Application Number Title Priority Date Filing Date
EP02405285A Withdrawn EP1353405A1 (fr) 2002-04-10 2002-04-10 Antenne à double bande
EP03745739A Expired - Lifetime EP1493206B1 (fr) 2002-04-10 2003-04-08 Antenne a double bande

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP02405285A Withdrawn EP1353405A1 (fr) 2002-04-10 2002-04-10 Antenne à double bande

Country Status (7)

Country Link
US (1) US7068222B2 (fr)
EP (2) EP1353405A1 (fr)
CN (1) CN100342587C (fr)
AT (1) ATE303661T1 (fr)
AU (2) AU2003205486A1 (fr)
DE (1) DE50301109D1 (fr)
WO (2) WO2003085781A1 (fr)

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ATE544194T1 (de) 2005-10-14 2012-02-15 Fractus Sa Schlankes dreifachband-antennenarray für zellulare basisstationen
JP5355000B2 (ja) * 2008-09-01 2013-11-27 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム、周期構造反射板及びテーパ付きマッシュルーム構造
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Also Published As

Publication number Publication date
WO2003085782A1 (fr) 2003-10-16
DE50301109D1 (de) 2005-10-06
ATE303661T1 (de) 2005-09-15
AU2003205486A1 (en) 2003-10-20
EP1493206A1 (fr) 2005-01-05
US7068222B2 (en) 2006-06-27
EP1353405A1 (fr) 2003-10-15
US20050225498A1 (en) 2005-10-13
AU2003215492A1 (en) 2003-10-20
CN100342587C (zh) 2007-10-10
CN1647319A (zh) 2005-07-27
WO2003085781A1 (fr) 2003-10-16

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