EP1188202B1 - Anordnung zur übertragung und/oder zum empfang von signalen - Google Patents

Anordnung zur übertragung und/oder zum empfang von signalen Download PDF

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Publication number
EP1188202B1
EP1188202B1 EP00951625A EP00951625A EP1188202B1 EP 1188202 B1 EP1188202 B1 EP 1188202B1 EP 00951625 A EP00951625 A EP 00951625A EP 00951625 A EP00951625 A EP 00951625A EP 1188202 B1 EP1188202 B1 EP 1188202B1
Authority
EP
European Patent Office
Prior art keywords
radiating element
radiating
network
type
printed
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
EP00951625A
Other languages
English (en)
French (fr)
Other versions
EP1188202A1 (de
Inventor
Ali Louzir
Philippe Minard
Jean-François PINTOS
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of EP1188202A1 publication Critical patent/EP1188202A1/de
Application granted granted Critical
Publication of EP1188202B1 publication Critical patent/EP1188202B1/de
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
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/02—Details
    • H01Q19/021—Means for reducing undesirable effects
    • H01Q19/028—Means for reducing undesirable effects for reducing the cross polarisation
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
    • 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
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/065—Patch antenna array
    • 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
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/067—Two dimensional planar arrays using endfire radiating aerial units transverse to the plane of the array
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation 
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic

Definitions

  • the present invention relates to a transmission device and / or receiving electromagnetic waves, more particularly an antenna known as the "printed antenna”.
  • printed antenna in English “microstrip antenna” an antenna made in so-called “Microstrip” comprising a radiating element, typically a “patch”, a slot, etc., or a network of such elements, the number of elements depending on the gain sought.
  • This type of antenna is used in particular as a primary source in the focus of a lens or parabola ,.
  • printed antennas are more additionally used in many wireless communications systems (wireless local area networks, terrestrial access networks or satellite, etc ).
  • printed antennas are better suited for transmit / receive a linearly polarized wave.
  • the object of the invention is to propose a reception device and / or signal transmission comprising a high-level printed antenna Circular or linear polarization quality over a frequency band widened and over a wide corner area.
  • the present invention relates to a transmission device and / or receiving electromagnetic waves comprising at least one radiating element of printed type for radiating a circular polarization or linear of given meaning, characterized in that it comprises at least one passive radiating element sized and positioned in relation to the element radiating type of radiation so as to radiate at the frequency of the radiating element of printed type, a circular or linear polarization opposite to that of the radiating element of the printed type and whose phase is adjusted to compensate for the cross component of the element radiating type printed.
  • the radiating element passive is constituted by a radiating element of the traveling wave type such as a helix or a dielectric rod associated with polarizers.
  • FIGS. 1 to 6 relate to a printed antenna adapted for send / receive a right or left circular polarization while the embodiment of Figure 7 relates to a printed antenna whose radiating elements can receive a circular polarization or a linear polarization.
  • FIG. 1a there is shown in perspective an embodiment of a printed antenna which can receive means according to the present invention. More specifically, on a substrate 1 of given permittivity whose lower face is covered with a metal layer 2 forming a ground plane, has been realized a network of n "patches", more particularly a network comprising four parallel branches of three “Patches” 3 1 , 3 ' 1 , 3 " 1 , 3 2 , 3' 2 , 3" 2 , 3 3 , 3 ' 3 , 3 " 3 , 3 4 , 3" 4 , 3 " 4 connected in series, the assembly being connected to a feed network referenced 4, made in microstrip technology.
  • the "patches” are designed and powered to radiate and / or receive a circularly polarized wave.
  • the printed antenna thus produced radiates an imperfect circular polarization of given direction, as will be explained with reference to FIG. 2.
  • circular polarization is provided near the network of "patches” means dimensioned and positioned relative to the network of "patches” so as to radiate at the frequency of the network of "patches", a circular polarization in the opposite direction to that of the network of "Patches” to compensate for the cross-component of the radiating element.
  • compensation means will hereinafter be called compensation means.
  • radiating elements of the traveling wave type are provided, more particularly propellers 4 1 , 4 2 , 4 3 , 5 1 , 4 ' 1 , 5 2 , 4' 2 , 5 3 , 4 " 1 , 4" 2 , 4 " 3 which are planted, as shown on the AA section, in the substrate 1 and are not connected to an excitation network.
  • the set of propellers or other radiating elements of the wave type progressive circular polarization presents a diagram of radiation substantially equivalent to the radiation pattern of the network of "patches".
  • different processes can be used to calculate the radiation pattern of the propeller network used as a means of compensation. So the simplest process is to connect the network of propellers having a circular polarization inverse to that radiated by the network of "patches", to an excitation circuit and to adjust the characteristics of the propellers so as to obtain a radiation pattern identical to the radiation pattern of the network of "patches" to compensate.
  • This component cross-beam radiated by the printed antenna excites the network of propellers which radiates in turn a Rhélice field whose phase is adjusted by rotation of the propeller around its axis so that it comes to oppose in totality or in part to the cross-component of the printed antenna, thereby improving the purity of the circular polarization radiated by the printed antenna.
  • the compensation means consist of a network of four propellers 12 1 , 12 2 , 12 3 , 12 4 planted in the substrate.
  • the radiation pattern of the helices 12 1 , 12 2 , 12 3 , 12 4 has been simulated, by connecting the helices alone to an excitation network, and the propellers have been designed in a known manner, from so that their radiation pattern is equivalent to the radiation pattern of the "patch” and their polarization is opposite that of the patch network. Then, the propellers 12 1 , 12 2 , 12 3 , 12 4 have been turned around of their axis so that their radiation comes to oppose the cross component radiated by the "patch". On the other hand, in known manner, the "patch" 11 is connected by the line 13 made in microstrip technology to a known type of power supply circuit.
  • FIG. 3b shows another embodiment of the printed antenna, namely an array of four "patches” 20 1 , 20 2 , 20 3 , 4 connected to a known type of power supply circuit.
  • the "patch” 20 1 is connected to the “patch” 20 4 by a microstrip line and the “patch” 2 is connected to the “patch” 3 by another microstrip line, the two lines being connected together and at the same time.
  • the compensation means is constituted by a propeller 21 positioned in the center of the network of four "patches”. This propeller is sized and rotated around its axis using the same principles as mentioned above.
  • the printed antenna consists of four networks of four "patches” of the type described in FIG. 3b.
  • the cross component of each "patch” is compensated by propellers positioned at the four corners of the "patch". More specifically and as shown in FIG. 3d, the "patch" 11 is surrounded by the propellers 12 1 , 12 2 , 12 3 , 12 4 .
  • FIG. 3c represents another embodiment in which four networks of four "patches" of the type represented by Figure 3b.
  • the compensation means is constituted by a propeller 21 positioned as in the case of Figure 3b.
  • a propeller additional 22 is placed at point C center of the 4x4 network "Patches".
  • FIG. 3e An additional embodiment of a device according to the present invention is shown in FIG.
  • the compensation means consist of a network of propellers.
  • the propellers are positioned in the middle of the sides of each "patch".
  • the "patch” 40 is surrounded by four propellers 41 1 , 41 2 , 41 3 , 41 4 placed respectively in the middle of each of the four sides, the "patch” 40 'is also surrounded by four propellers 41 2 41 5 , 41 6 , 41 7 and so on for the other "patches”.
  • Radiation diagrams of "patches” and propellers are obtained as mentioned above.
  • FIGS. 4, 5 and 6 A particular embodiment of a device for transmitting and / or receiving electromagnetic waves comprising a compensating element, namely a means dimensioned and positioned with respect to the electromagnetic wave, will now be described with reference to FIGS. 4, 5 and 6.
  • element radiating to radiate at the frequency of the radiating element a circular polarization in the opposite direction to that of the radiating element to compensate for the cross component of the radiating element, according to the present invention.
  • a printed antenna operating at 12 GHz This printed antenna is constituted by a network of four "patches" 102 1 , 102 2 , 102 3 , 102 4 made on a substrate 100 provided on its underside with a metal layer 101 forming a ground plane.
  • the "patch” 102 1 and the “patch” 102 2 are connected together by directed supply circuit in microstrip technology. More specifically, the "patch” 102 1 is connected to the point C by a length L1 while the “patch” 102 2 is connected to the point C by a length L2. Similarly, the “patch” 102 4 is connected to the point C 'by a length L4 and the “patch” 102 3 is connected to the point C' by a length L3.
  • the points C and C ' are connected to the input A of the supply circuit respectively by a length L5 and a length L6.
  • the compensation means is constituted by a radiating element of the traveling wave type, more particularly by a propeller 103 which is planted in the substrate at the center of the network, namely symmetrically with respect to the four "patches" 102 1 , 102 2 , 102 3 , 102 4 .
  • the ellipticity rate is represented as a function of the frequency of the printed antenna of FIG. 4.
  • the frequency band of FIG. the printed antenna goes from 430 MHz, in the absence of the helix, to 628 MHz in the presence of a correctly sized helix.
  • Figures 6a and 6b show the improvement of the quality of the circular polarization as a function of the angle of observation with respect to the main direction of the beam. This is given by the radiation diagrams of the printed network in the presence of a parasitic helix, namely Figure 6b and in the absence of the parasitic helix, see Figure 6a. These radiation patterns show a clear improvement in the quality of circular polarization in a wide sector of angles.
  • the printed antenna is constituted in known manner by a network of "patches” 112 1 , 112 2 made on a substrate 110 provided with a ground plane 111.
  • This "patch” network can radiate a linear polarization (for example linear horizontal) or circular (for example circular right).
  • a radiating element of the traveling wave type constituted by a dielectric rod 114 also called polyrod in English language, mounted in a base 113.
  • the polyrod is sized to radiate a polarization orthogonal to that of the network of patches (in this case linear vertical in the case of a linear polarization or circular left in the case of a circular polarization).
  • the simulations carried out with a device of this type have shown that the unwanted cross-component radiated by the network of "patches” excites the polyrod which in turn radiates a field whose phase can be adjusted so that it comes opposing all or part of the cross-component of the printed antenna thus improving the purity of the circular polarization radiated by the antenna.
  • the invention makes it possible to obtain a printed antenna radiating a circularly polarized or linear wave on a strip of extended frequency.

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)

Claims (7)

  1. Vorrichtung zur Sendung und/oder Empfang von elektromagnetischen Wellen mit wenigstens einem strahlenden Element vom gedruckten Typ (3, 11, 20, 40, 102, 112) zur Ausstrahlung einer zirkularen oder linearen Polarisation mit einer bestimmten Richtung,
    gekennzeichnet durch:
    wenigstens ein passives strahlendes Element ( 4, 5, 12, 21, 22, 41, 103, 114), das derart bemessen und gegenüber dem strahlenden Element vom gedruckten Typ derart positioniert ist, dass bei der Frequenz des strahlenden Elements vom gedruckten Typ eine zirkulare oder lineare Polarisation mit entgegengesetzter Richtung zu der des strahlenden Elements vom gedruckten Typ strahlt, und dessen Phase so eingestellt ist, dass die Kreuzkomponente der Antenne vom gedruckten Typ kompensiert wird.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das strahlende Element vom gedruckten Typ ein "Patch", ein Fenster, ein Dipol oder eine Anordnung von n "Patchen", von n Dipolen oder n Schlitzen ist und das Element derart erregt wird, dass eine Zirkularpolarisation oder eine Linearpolarisation mit bestimmter Richtung entsteht.
  3. Vorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass das passive strahlende Element durch ein strahlendes Element vom Wanderwellentyp gebildet ist.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass das strahlende Element vom Wanderwellentyp und unter den dielektrischen Wendeln und Spindeln für Polarisatoren ausgewählt ist.
  5. Vorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die strahlenden Elemente vom Wanderwellentyp symmetrisch zu den strahlenden Elementen vom gedruckten Typ positioniert sind.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die strahlenden Elemente vom Wanderwellentyp an vier Ecken des strahlenden Elements oder der strahlenden Elemente vom gedruckten Typ sind, die die Sende/Empfangsvorrichtung bilden.
  7. Vorrichtung nach Anspruch 5 und 6, dadurch gekennzeichnet, dass dann, wenn die Vorrichtung zur Sendung/Empfang durch eine Anordnung mit n strahlenden Elementen vom gedruckten Typ gebildet ist, die strahlenden Elemente vom Wanderwellentyp in der Mitte der Anordnung positioniert sind.
EP00951625A 1999-06-21 2000-06-21 Anordnung zur übertragung und/oder zum empfang von signalen Expired - Lifetime EP1188202B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9907827 1999-06-21
FR9907827 1999-06-21
PCT/FR2000/001707 WO2000079649A1 (fr) 1999-06-21 2000-06-21 Dispositif d'emission et/ou de reception de signaux

Publications (2)

Publication Number Publication Date
EP1188202A1 EP1188202A1 (de) 2002-03-20
EP1188202B1 true EP1188202B1 (de) 2004-02-04

Family

ID=9547047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00951625A Expired - Lifetime EP1188202B1 (de) 1999-06-21 2000-06-21 Anordnung zur übertragung und/oder zum empfang von signalen

Country Status (8)

Country Link
US (1) US6618012B1 (de)
EP (1) EP1188202B1 (de)
JP (1) JP4295938B2 (de)
CN (1) CN1202591C (de)
AU (1) AU6450400A (de)
DE (1) DE60008104T2 (de)
ES (1) ES2215702T3 (de)
WO (1) WO2000079649A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE517564C2 (sv) * 1999-11-17 2002-06-18 Allgon Ab Antennanordning för en bärbar radiokommunikationsanordning, bärbar radiokommunikationsanordning med sådan antennanordning och metod för att driva nämnda radiokommunikationsanordning
JP2004056281A (ja) * 2002-07-17 2004-02-19 Alps Electric Co Ltd 無線ｌａｎ用ダイバーシティアンテナ
FR2854739A1 (fr) * 2003-05-06 2004-11-12 France Telecom Dispositif formant antenne, capteur ou sonde electromagnetique
US7675471B2 (en) * 2004-03-05 2010-03-09 Delphi Technologies, Inc. Vehicular glass-mount antenna and system
EP1952484A1 (de) * 2005-11-24 2008-08-06 Thomson Licensing Antennengruppen mit zweifacher zirkulärer polarisation
DE102011088438A1 (de) * 2011-12-13 2013-06-13 Robert Bosch Gmbh Handwerkzeugvorrichtung
KR101768802B1 (ko) * 2016-03-11 2017-08-16 주식회사 한신 마이크로스트립 안테나
DE102017200129A1 (de) * 2017-01-05 2018-07-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Ndip-Antenne
CN108111179B (zh) * 2017-12-19 2019-07-23 温州大学瓯江学院 具有可调相位的信号发生器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031537A (en) * 1974-10-23 1977-06-21 Andrew Alford Collinear dipole array with reflector
FR2627330B1 (fr) * 1988-02-12 1990-11-30 Alcatel Espace Antenne multifrequence, utilisable notamment dans le domaine des telecommunications spatiales
JPH02134001A (ja) 1988-11-15 1990-05-23 Kokusai Denshin Denwa Co Ltd <Kdd> オフセット反射鏡アンテナ
FR2640431B1 (fr) * 1988-12-08 1991-05-10 Alcatel Espace Dispositif rayonnant multifrequence
US5381157A (en) * 1991-05-02 1995-01-10 Sumitomo Electric Industries, Ltd. Monolithic microwave integrated circuit receiving device having a space between antenna element and substrate
US5892483A (en) * 1996-03-15 1999-04-06 Ericsson Inc. Dual antenna arrangement for portable transceiver
JP3580654B2 (ja) * 1996-12-04 2004-10-27 京セラ株式会社 共用アンテナおよびこれを用いた携帯無線機
SE511450C2 (sv) * 1997-12-30 1999-10-04 Allgon Ab Antennsystem för cirkulärt polariserade radiovågor innefattande antennanordning och gränssnittsnätverk
US6229488B1 (en) * 2000-09-08 2001-05-08 Emtac Technology Corp. Antenna for receiving signals from GPS and GSM

Also Published As

Publication number Publication date
WO2000079649A1 (fr) 2000-12-28
DE60008104T2 (de) 2004-08-05
US6618012B1 (en) 2003-09-09
DE60008104D1 (de) 2004-03-11
EP1188202A1 (de) 2002-03-20
CN1202591C (zh) 2005-05-18
JP4295938B2 (ja) 2009-07-15
AU6450400A (en) 2001-01-09
ES2215702T3 (es) 2004-10-16
JP2003524938A (ja) 2003-08-19
CN1382314A (zh) 2002-11-27

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