WO2001076010A1 - Breitbandkommunikationsantenne - Google Patents
Breitbandkommunikationsantenne Download PDFInfo
- Publication number
- WO2001076010A1 WO2001076010A1 PCT/CH2001/000199 CH0100199W WO0176010A1 WO 2001076010 A1 WO2001076010 A1 WO 2001076010A1 CH 0100199 W CH0100199 W CH 0100199W WO 0176010 A1 WO0176010 A1 WO 0176010A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- communication antenna
- broadband communication
- base plate
- antenna according
- Prior art date
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/18—Resonant slot antennas the slot being backed by, or formed in boundary wall of, a resonant cavity ; Open cavity antennas
Definitions
- the invention relates to a broadband communication antenna with a base plate which has a conductive layer which has at least one coupling opening, a strip conductor network being provided at a short distance from the conductive layer in the region of the coupling openings, and at least one conductive patch being arranged opposite the base plate , wherein the base plate and the patch are arranged in a conductive housing which has an open side, and wherein the base plate is arranged closest to the housing base and thus most distant from the open side.
- Microstrip antennas are known per se and are widespread. Their area of application is limited by their small bandwidth, which results from their resonance structure. Increasing the bandwidth by using thick substrates and several layers leads to a reduction in the radiation efficiency of the antennas.
- the above-mentioned prior art proposes an antenna which has a height of 30 millimeters at a frequency of approximately six gigahertz.
- UMTS Universal Mobile Telecommunications System
- the existing GSM 1800 network is in the frequency range from 1710 to 1880 megahertz. It would now be desirable to specify a broadband antenna that can cover both frequency ranges. The state of the art is unsuitable for both its performance and its technical structure, since the antenna has a height of over 70mm in this frequency range.
- the prior art provides a bandwidth of approximately 25 percent with an adjustment of 10 dB, whereas a bandwidth of over 30 percent is desirable.
- the object of the invention is to improve an antenna of the type mentioned at the outset in such a way that it permits integration of the GSM network with the UMTS network by means of a single antenna with as little loss as possible.
- This object is achieved in that one or more tabs are provided on the open side of the housing, which tabs reduce the open cross-sectional area of the housing in the plan view of the open side.
- Fig. 1 is a cross-sectional view through an inventive
- FIG. 2 shows a top view of the antenna according to FIG. 1
- FIG. 3 shows further tab shapes of the antenna according to FIG. 1.
- the housing 1 shows an antenna 1 in a cross-sectional view, which is arranged in a housing 2.
- the housing 2 consists of a base 3 and four side walls 4. In the direction pointing upwards on the drawing sheet, the housing is essentially open.
- the housing 2 has four tabs 5 each arranged in the middle of the sides, which protrude parallel to the housing base 3 into the interior of the housing 2. The tabs
- the housing 2 is embedded on two opposite side walls 4 between two L-shaped angles 7.
- the angles 7 are connected to the housing wall via a screw-nut connection at the location designated by the reference symbol 18.
- an adhesive or some other fixed connection can also be provided.
- the housing is designed to be conductive, as are the lugs 5 connected to it in one piece.
- the lugs 5 can also be fastened to the housing walls 4 at an angle, for example, a conductive connection between the housing walls 4 and the lugs 5 having to exist.
- the housing 2 forms a cavity filled with ambient air 8, which in the case shown is constructed symmetrically with respect to the center plane 9.
- the housing 2 is essentially open except for the four tabs 5, which are arranged in the middle of the side surfaces and which project into the interior of the housing 2. These four right-angled tabs 5 reduce the cross-sectional size in a symmetrical manner when viewed from above.
- the housing base 3 which serve as spacers between the housing base 3, the base plate 13, which carries the conductive layer 14, which has at least one coupling opening, and a stripline network 15, and two patch plates 16 and 17 act.
- the stripline network 15 can be arranged opposite the patch 16 or the housing base 3.
- the ambient air (permittivity 1.0), in contrast to the prior art of the autoimmune Polytechnique Federale de Lausanne, which uses a substrate material with a permittivity of 2.33.
- the ground surface, which is formed by the base plate 13, is not conductively connected to the housing 2.
- the relative bandwidth of the antenna is significantly increased by the arrangement of the tabs 5 in the interior of the housing 2. With the arrangement shown in FIG. 1, a relative bandwidth of more than 35 percent can be achieved for a VSWR of two (adjustment of 10 dB). 1 for the frequency range of UTMS and GSM 1800 is 36 millimeters compared to 70 millimeters in the prior art.
- the horizontal half width can be set via the width and position of the angle 7 become.
- the half width is 65 °.
- the angle 7 is shifted downwards so that it ends with the housing base 3, the half width is approximately 90 °. Since these two half-widths are mainly used in mobile radio technology, a mechanical device with a vertically running slot at location 18 can make the angles 7 infinitely variable in height, so that, depending on the application, a 65 ° to 90 ° antenna can be obtained.
- the angles 7 do not have to be electrically conductively connected to the housing.
- An advantageous embodiment is a screw-nut connection, but any other mechanical solution with a height adjustment of the angle is also suitable.
- the angles 7 can be longer than the associated housing sides 4 of the housing 2, as is indicated in FIG. 2, in particular twice as long.
- the base plate 13 with the conductive surface 14 essentially covers the housing base 3 of the housing completely in plan view, but there is no conductive contact between the two individually conductive elements.
- the tabs 5 are designed parallel to the housing base 3 and rectangular. However, they can also have other shapes, which are shown in some embodiments in FIG. 3. For example, square or trapezoidal shapes are possible, the two mutually opposite tabs 5 preferably being of the same design. It can too
- the tabs 5 can also be designed with curved edges that continuously merge.
- the tabs 5 cover the open side 19 of the housing 2 only to the extent that they do not cover the patches 16, 17 in the plan view of the open side of the housing 2.
- the tabs 5 can also be lowered to the level of the upper patch 17.
- the housing 2 is square here, a rectangular shape is also possible, the aspect ratio should not be greater than 2: 1.
- Patch 17 is essentially the same size and takes up 33 percent of the cross-sectional area of the housing.
- the patch 16 is somewhat larger than the patch 17, but it 16 has laterally cut corners, so that this side edge runs under the patch 17.
- Other variants can also be used, in particular the patch 17 can also be larger than the patch 16.
- Materials of increased permittivity for example HF-compatible material with a permittivity of up to 10, can also be used between the individual plates 14 and patches 16, 17.
- the spaces between the elements 14, 16 and 17 mentioned can also be partially filled with the dieelectric.
Landscapes
- Waveguide Aerials (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01914935A EP1269572A1 (de) | 2000-04-04 | 2001-03-30 | Breitbandkommunikationsantenne |
CA002403430A CA2403430C (en) | 2000-04-04 | 2001-03-30 | Broadband communications antenna |
AU2001242203A AU2001242203B2 (en) | 2000-04-04 | 2001-03-30 | Broad band communications antenna |
AU4220301A AU4220301A (en) | 2000-04-04 | 2001-03-30 | Broad band communications antenna |
US10/240,475 US6756942B2 (en) | 2000-04-04 | 2001-03-30 | Broadband communications antenna |
BR0109773-3A BR0109773A (pt) | 2000-04-04 | 2001-03-30 | Antena de comunicação de banda larga |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH663/00 | 2000-04-04 | ||
CH6632000 | 2000-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001076010A1 true WO2001076010A1 (de) | 2001-10-11 |
Family
ID=4527077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2001/000199 WO2001076010A1 (de) | 2000-04-04 | 2001-03-30 | Breitbandkommunikationsantenne |
Country Status (7)
Country | Link |
---|---|
US (1) | US6756942B2 (de) |
EP (1) | EP1269572A1 (de) |
CN (1) | CN1236524C (de) |
AU (2) | AU4220301A (de) |
BR (1) | BR0109773A (de) |
CA (1) | CA2403430C (de) |
WO (1) | WO2001076010A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1353405A1 (de) * | 2002-04-10 | 2003-10-15 | Huber & Suhner Ag | Dualbandantenne |
EP2151017A1 (de) * | 2007-05-17 | 2010-02-10 | Laird Technologies, Inc. | Hochfrequenzidentifikations- bzw. rfid-antennenbaugruppen mit gefalteten patch-antennenstrukturen |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7079078B2 (en) * | 2003-04-09 | 2006-07-18 | Alps Electric Co., Ltd. | Patch antenna apparatus preferable for receiving ground wave and signal wave from low elevation angle satellite |
JP4143844B2 (ja) * | 2003-11-06 | 2008-09-03 | ミツミ電機株式会社 | アンテナ装置 |
US7282449B2 (en) * | 2004-03-05 | 2007-10-16 | S.O.I.Tec Silicon On Insulator Technologies | Thermal treatment of a semiconductor layer |
US7084815B2 (en) * | 2004-03-22 | 2006-08-01 | Motorola, Inc. | Differential-fed stacked patch antenna |
US7605758B2 (en) * | 2005-05-13 | 2009-10-20 | Go Net Systems Ltd. | Highly isolated circular polarized antenna |
US20070080864A1 (en) * | 2005-10-11 | 2007-04-12 | M/A-Com, Inc. | Broadband proximity-coupled cavity backed patch antenna |
US7636063B2 (en) * | 2005-12-02 | 2009-12-22 | Eswarappa Channabasappa | Compact broadband patch antenna |
US7432860B2 (en) * | 2006-05-17 | 2008-10-07 | Sony Ericsson Mobile Communications Ab | Multi-band antenna for GSM, UMTS, and WiFi applications |
DE102006038528B3 (de) * | 2006-08-17 | 2007-11-22 | Kathrein-Werke Kg | Abstimmbare Antenne planarer Bauart |
US8766854B2 (en) * | 2010-01-07 | 2014-07-01 | National Taiwan University | Bottom feed cavity aperture antenna |
KR101392499B1 (ko) * | 2010-11-09 | 2014-05-07 | 한국전자통신연구원 | 주파수 특성에 따라 용이하도록 제작되는 안테나 |
JP6971119B2 (ja) * | 2017-10-13 | 2021-11-24 | 株式会社ヨコオ | パッチアンテナおよび車載用アンテナ装置 |
IT202100002273A1 (it) | 2021-02-03 | 2022-08-03 | Free Space SRL | Antenna a slot con cavità compatta ed a banda larga. |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2005922A (en) * | 1977-10-01 | 1979-04-25 | Secr Defence | Improvements in or relating to radio antennas |
US4242685A (en) * | 1979-04-27 | 1980-12-30 | Ball Corporation | Slotted cavity antenna |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3009153A (en) * | 1960-07-20 | 1961-11-14 | Robert W Masters | Tunable cavity antenna |
US4086598A (en) * | 1976-12-02 | 1978-04-25 | Bogner Richard D | Broadband omnidirectional slot antenna with an electrical strap connector |
US4733245A (en) * | 1986-06-23 | 1988-03-22 | Ball Corporation | Cavity-backed slot antenna |
US4888597A (en) * | 1987-12-14 | 1989-12-19 | California Institute Of Technology | Millimeter and submillimeter wave antenna structure |
JP4463368B2 (ja) * | 1999-03-02 | 2010-05-19 | パナソニック株式会社 | モノポールアンテナ |
US6567053B1 (en) * | 2001-02-12 | 2003-05-20 | Eli Yablonovitch | Magnetic dipole antenna structure and method |
-
2001
- 2001-03-30 AU AU4220301A patent/AU4220301A/xx active Pending
- 2001-03-30 EP EP01914935A patent/EP1269572A1/de not_active Withdrawn
- 2001-03-30 WO PCT/CH2001/000199 patent/WO2001076010A1/de active IP Right Grant
- 2001-03-30 CN CN01807321.2A patent/CN1236524C/zh not_active Expired - Fee Related
- 2001-03-30 AU AU2001242203A patent/AU2001242203B2/en not_active Ceased
- 2001-03-30 CA CA002403430A patent/CA2403430C/en not_active Expired - Fee Related
- 2001-03-30 BR BR0109773-3A patent/BR0109773A/pt not_active IP Right Cessation
- 2001-03-30 US US10/240,475 patent/US6756942B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2005922A (en) * | 1977-10-01 | 1979-04-25 | Secr Defence | Improvements in or relating to radio antennas |
US4242685A (en) * | 1979-04-27 | 1980-12-30 | Ball Corporation | Slotted cavity antenna |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1353405A1 (de) * | 2002-04-10 | 2003-10-15 | Huber & Suhner Ag | Dualbandantenne |
WO2003085781A1 (de) * | 2002-04-10 | 2003-10-16 | Huber + Suhner Ag | Dualbandantenne |
WO2003085782A1 (de) * | 2002-04-10 | 2003-10-16 | Huber+Suhner Ag | Dualbandantenne |
US7068222B2 (en) | 2002-04-10 | 2006-06-27 | Huber + Suhner Ag | Dual band antenna |
CN100342587C (zh) * | 2002-04-10 | 2007-10-10 | 深圳市安捷信电气有限公司 | 双频带天线 |
EP2151017A1 (de) * | 2007-05-17 | 2010-02-10 | Laird Technologies, Inc. | Hochfrequenzidentifikations- bzw. rfid-antennenbaugruppen mit gefalteten patch-antennenstrukturen |
EP2151017A4 (de) * | 2007-05-17 | 2010-05-19 | Laird Technologies Inc | Hochfrequenzidentifikations- bzw. rfid-antennenbaugruppen mit gefalteten patch-antennenstrukturen |
Also Published As
Publication number | Publication date |
---|---|
EP1269572A1 (de) | 2003-01-02 |
BR0109773A (pt) | 2003-01-21 |
AU2001242203B2 (en) | 2005-06-16 |
CA2403430A1 (en) | 2001-10-11 |
CA2403430C (en) | 2009-10-13 |
US20030058169A1 (en) | 2003-03-27 |
AU4220301A (en) | 2001-10-15 |
US6756942B2 (en) | 2004-06-29 |
CN1419721A (zh) | 2003-05-21 |
CN1236524C (zh) | 2006-01-11 |
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