WO2007073993A1 - Antennenanordnung sowie verwendung - Google Patents

Antennenanordnung sowie verwendung Download PDF

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Publication number
WO2007073993A1
WO2007073993A1 PCT/EP2006/068672 EP2006068672W WO2007073993A1 WO 2007073993 A1 WO2007073993 A1 WO 2007073993A1 EP 2006068672 W EP2006068672 W EP 2006068672W WO 2007073993 A1 WO2007073993 A1 WO 2007073993A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna arrangement
cylinder
arrangement according
slots
antenna
Prior art date
Application number
PCT/EP2006/068672
Other languages
German (de)
English (en)
French (fr)
Inventor
Bert Jannsen
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to JP2008547921A priority Critical patent/JP2009521885A/ja
Priority to CN200680049457.5A priority patent/CN101346854B/zh
Priority to EP06819622A priority patent/EP1969674B1/de
Priority to DE502006007801T priority patent/DE502006007801D1/de
Publication of WO2007073993A1 publication Critical patent/WO2007073993A1/de

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/28Combinations of substantially independent non-interacting antenna units or systems
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10Resonant slot antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10Resonant slot antennas
    • H01Q13/18Resonant slot antennas the slot being backed by, or formed in boundary wall of, a resonant cavity ; Open cavity antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/24Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction

Definitions

  • the invention is based on an antenna arrangement consisting of a conductive cylinder which is placed on a conductive surface.
  • the beam characteristic that is the antenna diagram, must be adjustable to the requirements of the various services.
  • patch antennas are used today, which can be made both compact and inexpensive, as well as the required for the satellite services polarization (left / right circular) can provide.
  • the additional reception of vertically polarized signals at elevation angles between 0 ° and 10 ° usually fails in this type of antennas at a low gain.
  • the currently used antennas such as patch antennas, have in the
  • US Pat. No. 6,304,224 B1 discloses an antenna with a cuboid housing having a cross-slot structure in an outer wall. Opposite the cross-slot structure is located in a further outer wall, a folded resonance space, due to the folding an outer dimension is less than half of the operating wavelength can be achieved. This allows for high power radiation with precise circular polarization.
  • the height of the cylinder is less than half of the Operating wavelength selected so that the radiation characteristic in the area outside the cylinder axis has a higher antenna gain than in the range of the cylinder axis, it is possible to achieve a high antenna gain at low elevation angles between 0 ° and 10 °, especially in vertical polarization.
  • the gain in the elevation range can be adjusted so that it is raised at low elevation angles.
  • Antenna in addition to a left circular polarization also a high gain of the vertical components at very low elevation angles between 0 ° and 30 ° at the same port available.
  • the dimensions of the antenna described below can be further reduced by constructing the antenna on a substrate with a high dielectric constant and / or surrounded by such a material.
  • FIG. 1 shows the structure of an antenna according to the invention with slots in the end face of the cylinder
  • FIG. 2 shows the same antenna with representation of the current distribution
  • FIG. 3 shows a feed network for an antenna structure according to the invention
  • FIG. 4 shows an ohmic coupling for exciting the antenna structure
  • FIG. 5 a field coupling for excitation of the antenna
  • FIG. 6 shows the dependence of the antenna diagram on the elevation angle for different cylinder heights in left circular polarization
  • FIG. 7 shows the dependence of the antenna diagram on the azimuth angle in the case of left circular polarization
  • FIG. 8 the dependence of the antenna diagram on the elevation angle with vertical polarization
  • FIG. 9 shows an antenna according to the invention with slots extended over the edge of the cylinder
  • FIG. 11 shows an antenna arrangement as in FIG. 10 with recesses in which the plane of the slots projects beyond the edge in the region of the slots, FIG.
  • FIG. 12 shows an antenna arrangement whose cylinder is filled with material-high relative permittivity
  • FIG. 13 shows an antenna arrangement whose cylinder is filled and surrounded by material-high relative permittivity
  • FIG. 14 shows an antenna arrangement with additional slot in the end face of the cylinder
  • FIG. 15 shows an antenna arrangement with an additional slot in the cylinder jacket. Description of the invention
  • FIG. 1 shows the structure of an antenna arrangement according to the invention.
  • a metallically conductive cylinder is placed or applied.
  • This cylinder 2 has radial slots 3 on its end face remote from the conductive surface 1.
  • these slots 3 are formed as perpendicular to each other arranged rectangular Phillips, which extend from the central axis of the cylinder 2 to the outer boundary of the end face.
  • the segments 4 formed by the slots 3 are fed individually.
  • the feeding points 5 are close to the intersection of the slots, that is near the cylinder axis.
  • FIG. 2 shows the same antenna arrangement as FIG. 1 with additional representation of the current distribution, the intensity being recognizable by the gray scale.
  • the height of the cylinder is selected in the range smaller than half the operating wavelength so that the radiation characteristic in the area outside the cylinder axis, in particular at the outer edge, a higher antenna gain g than in the region of the cylinder axis. This has the advantage that the border of the cylinder
  • Gain at low elevation angles is influenced so that the elevation range of the antenna pattern can be adjusted.
  • FIGS. 6 and 7 show the antenna diagrams of various arrangements. An ideal adaptation was required. FIG. 6 shows this
  • LHCP stands for the left-polarized portion
  • Recesses 8 may be provided in the boundary. Also, an additional boundary 9 of the cylinder over the plane of the slots 3 is possible, so that the boundary of the cylinder 2 projects beyond the plane of the slots 3 in the emission direction. In the boundary 9, recesses 10 may also be provided in the region of the slots 3 (FIG. 11). By doing so, the elevation range of the antenna pattern can be manipulated to emphasize the gain in the peripheral areas of the antenna pattern. In addition, the concept is very simple and inexpensive executable. As shown in FIGS. 14 and 15, further, likewise rectangular slots can be arranged in the cylinder 2 in order to cover other frequency ranges and / or to excite polarizations. In Figure 14, an additional radial slot 11 is provided in the end face and in Figure 15, a slot 12 in the outer jacket.
  • This signal can also be tapped off either at the port Pl shown in FIG. 3 or at the port P2 decoupled from the port P1.
  • the excitation of the antenna ( Figures 1 and 2 show the excitation points 5) is realized by four quadrature signals by a feed network 13, as z. B. shown in Figure 3, generated.
  • the 4 signals are generated by using three 3 dB hybrids 1 - 3 in combination with a 90 ° detour line.
  • the receiving left circular polarized signal can be tapped.
  • the terminating resistors are designated R in FIG.
  • the supply of the signals to the antenna structure can be carried out in various ways known from the literature.
  • the contact points 5 of a direct excitation are shown in FIG.
  • the signals are transmitted by means of lines 14 from the feed network 13 arranged below the conductive surface 1 isolated performed by the conductive surface 1 and the contact points supplied directly (ohmic contact).
  • the position of the excitation (FIG. 1: RA) can be used to set the antenna impedance.
  • the input impedance of the antenna can be influenced by alternatively exciting the antenna by field coupling.
  • this field coupling is shown schematically by a plan view in more detail.
  • the different hatchings indicate different heights (positions) within the cylinder.
  • the field coupling is carried out by four open at the end lines 15, which extend perpendicular to these under the slots 3. Through coupling of the fields, the excitation takes place. By varying the line width and the length of the open lines 15 and the distance between the
  • Matching elements can also be provided for direct coupling.

Landscapes

  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
PCT/EP2006/068672 2005-12-27 2006-11-20 Antennenanordnung sowie verwendung WO2007073993A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2008547921A JP2009521885A (ja) 2005-12-27 2006-11-20 アンテナ装置並びにその適用方法
CN200680049457.5A CN101346854B (zh) 2005-12-27 2006-11-20 天线装置及应用
EP06819622A EP1969674B1 (de) 2005-12-27 2006-11-20 Antennenanordnung sowie verwendung
DE502006007801T DE502006007801D1 (de) 2005-12-27 2006-11-20 Antennenanordnung sowie verwendung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005062542.8 2005-12-27
DE200510062542 DE102005062542A1 (de) 2005-12-27 2005-12-27 Antennenanordnung sowie Verwendung

Publications (1)

Publication Number Publication Date
WO2007073993A1 true WO2007073993A1 (de) 2007-07-05

Family

ID=37527596

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/068672 WO2007073993A1 (de) 2005-12-27 2006-11-20 Antennenanordnung sowie verwendung

Country Status (5)

Country Link
EP (1) EP1969674B1 (zh)
JP (1) JP2009521885A (zh)
CN (1) CN101346854B (zh)
DE (2) DE102005062542A1 (zh)
WO (1) WO2007073993A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140176385A1 (en) * 2012-12-12 2014-06-26 AMI Research & Development, LLC Compact cylindrically symmetric uhf satcom antenna

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101728645B (zh) * 2009-12-25 2014-04-02 山东科技大学 双极化全向天线
CN103280624A (zh) * 2013-04-09 2013-09-04 广东工业大学 一种贴片天线
JP6434816B2 (ja) * 2015-01-26 2018-12-05 日本放送協会 アンテナ装置、受信装置、及び反射鏡アンテナ装置
CN105119044B (zh) * 2015-09-09 2019-01-18 华为技术有限公司 一种微带天线及通信器件
JP2021192478A (ja) * 2020-06-05 2021-12-16 矢崎総業株式会社 スロットアンテナ
WO2024012659A1 (en) * 2022-07-12 2024-01-18 Huawei Technologies Co., Ltd. Cavity-slot antenna apparatus and wireless communication apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018476A1 (en) * 1979-04-27 1980-11-12 Ball Corporation Crossed slot cavity antenna
US5202697A (en) 1991-01-18 1993-04-13 Cubic Defense Systems, Inc. Low-profile steerable cardioid antenna
US6304226B1 (en) 1999-08-27 2001-10-16 Raytheon Company Folded cavity-backed slot antenna
WO2002084800A2 (en) * 2001-04-10 2002-10-24 Hrl Laboratories, Llc Crossed slot cavity antenna
WO2003088420A1 (en) * 2002-04-10 2003-10-23 Northrop Grumman Corporation Horizontally polarized endfire antenna array

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018476A1 (en) * 1979-04-27 1980-11-12 Ball Corporation Crossed slot cavity antenna
US5202697A (en) 1991-01-18 1993-04-13 Cubic Defense Systems, Inc. Low-profile steerable cardioid antenna
US6304226B1 (en) 1999-08-27 2001-10-16 Raytheon Company Folded cavity-backed slot antenna
WO2002084800A2 (en) * 2001-04-10 2002-10-24 Hrl Laboratories, Llc Crossed slot cavity antenna
WO2003088420A1 (en) * 2002-04-10 2003-10-23 Northrop Grumman Corporation Horizontally polarized endfire antenna array

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MANSHADI F: "END-LOADED CROSSED-SLOT RADIATING ELEMENTS", IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 39, no. 8, 1 August 1991 (1991-08-01), pages 1237 - 1240, XP000230617, ISSN: 0018-926X *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140176385A1 (en) * 2012-12-12 2014-06-26 AMI Research & Development, LLC Compact cylindrically symmetric uhf satcom antenna
US9118116B2 (en) * 2012-12-12 2015-08-25 AMI Research & Development, LLC Compact cylindrically symmetric UHF SATCOM antenna

Also Published As

Publication number Publication date
DE502006007801D1 (de) 2010-10-14
DE102005062542A1 (de) 2007-07-05
EP1969674A1 (de) 2008-09-17
CN101346854B (zh) 2013-05-01
CN101346854A (zh) 2009-01-14
JP2009521885A (ja) 2009-06-04
EP1969674B1 (de) 2010-09-01

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