CN101409383A - Ultra-wideband beam-shaped antenna - Google Patents
Ultra-wideband beam-shaped antenna Download PDFInfo
- Publication number
- CN101409383A CN101409383A CNA2008102361649A CN200810236164A CN101409383A CN 101409383 A CN101409383 A CN 101409383A CN A2008102361649 A CNA2008102361649 A CN A2008102361649A CN 200810236164 A CN200810236164 A CN 200810236164A CN 101409383 A CN101409383 A CN 101409383A
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- Prior art keywords
- tapered slot
- asymmetric tapered
- antenna
- slot line
- asymmetric
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Abstract
The invention discloses a wideband beam forming antenna applied in a wireless communication base station and the antenna consists of an asymmetric tapered slot line antenna and two sheets of post metal reflection boards. The asymmetric tapered slot line antenna is manufactured by a photolithographic medium plate the double surfaces of which are coated by copper; one side of the asymmetric tapered slot line antenna is a metal conductor provided with an asymmetric tapered slot line; the edge of a half side metal board with a large area is provided with a plurality of choke grooves the lengths of which gradually change equidifferentally and guiding strip bands added in the clearances of the slots; the other side of the asymmetric tapered slot line antenna is a microstrip feeder which is provided with a bevel section and a step transformation section and is corresponding to the half-side metal board with a smaller area. The center of the post metal reflection board is provided with a clearance used for vertically inserting the asymmetric tapered slot line antenna; one side of the post metal reflection board is provided with a small hole used for connecting a standard connector and leading the feeder to pass over as well as leading an external coaxial cable to be connected with the microstrip feeder of the asymmetric tapered slot line antenna. The metal conductor at one side of the asymmetric tapered slot line is welded with the post metal reflection board near the outer side in an electric contact state.
Description
Technical field
The present invention relates to a kind of printed antenna, especially involve the shaped aerial that the base station in the WiMAX system in a kind of radio communication uses.
Background technology
In the wireless communication field, base station antenna pattern figuration technology generally is with antenna element group battle array, and each unit is applied the feed that does not wait spoke degree and/or out of phase at present, realizes the array directional pattern of expecting by the adjustment array factor.This figuration Technology Need is the unit and the array of designing antenna respectively, and baroque feeder network.On the other hand, traditional base station antenna is by the doublet unit group battle array than narrow-band, 10% the working band of only having an appointment.
Summary of the invention
Technical problem: the purpose of this invention is to provide a kind of single structure and need not to organize the ultra-wideband beam-shaped antenna that battle array, single port feed need not feeder network, 3.5GHz, 5.8GHz in the WiMAX system in can at present emerging radio communication.
Technical scheme: ultra-wideband beam-shaped antenna of the present invention comprises asymmetric tapered slot antenna, two postposition vertical with asymmetric tapered slot antenna first copper clad plates and second copper clad plate; Asymmetric tapered slot antenna and rearmounted first copper clad plate, second copper clad plate all are made of the dieelctric sheet of two-sided deposited copper; Wherein the front of asymmetric tapered slot antenna promptly is provided with the metal level of asymmetric tapered slot antenna in the one side of dieelctric sheet, and the back side is the microstrip feed line layer; Have two electric current yokes on the first rearmounted copper clad plate and put the band of effect, be provided with in the horn-type opening of asymmetric tapered slot antenna and guide band into; On a side of asymmetric tapered slot antenna, be provided with choke groove.The microstrip feed line layer is joined by the microstrip line section of little coupled section with 90 ° of knuckle sections, microstrip-slot line of external coaxial cable AN connector, three sections different in width of impedance matching section and forms.
Beneficial effect: compared with prior art, the present invention has following advantage:
The present invention adopts and the diverse scheme of traditional base station antenna figuration technology, design simultaneously meets the horizontal plane and the vertical plane directional pattern of base station antenna requirement, need not to organize battle array and the complicated array-fed network of design, can realize in the mobile communication figuration requirement to the base station antenna pattern, comprise the inhibition of secondary lobe, the filling at following zero point, and main have a down dip to appropriateness as required etc.
The present invention utilizes the 3.5GHz in the effective WiMAX of covering of the tapered slot antenna structure realization system, and two frequency ranges of 5.8GHz are suitable for the antenna of coverage base station among a small circle in the WiMAX system in the radio communication.
The present invention adopts print structure, makes simply, and cost is low, is beneficial to the batch process of antenna.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present invention.Wherein have: asymmetric tapered slot antenna 1, first copper clad plate 2, second copper clad plate 3, metal level 11, dieelctric sheet 12, microstrip feed line layer 13, band 21, coaxial cable AN connector little is with 90 ° of knuckle sections 133, the coupled section 131 of little band-line of rabbet joint, is guided the line of rabbet joint 31 of band 114, choke groove 115, rearmounted second copper clad plate at first exposure 111 of impedance matching section 132, tapered slot, second exposure 112 of tapered slot, line of rabbet joint internal round chamber 113.
Fig. 2 is the return loss of antenna among the present invention and the exemplary plot of frequency relation test curve.
Fig. 3 is the typical radiation test directional pattern of the present invention on the 10GHz frequency.
Fig. 4 is the typical radiation test H face directional pattern of the present invention on the 3.5GHz frequency.
Embodiment
Ultra-wideband beam-shaped antenna of the present invention comprises asymmetric tapered slot antenna, two postposition vertical with asymmetric tapered slot antenna first copper clad plates and second copper clad plate; Asymmetric tapered slot antenna and rearmounted first copper clad plate, second copper clad plate all are made of the dieelctric sheet of two-sided deposited copper; Wherein the front of asymmetric tapered slot antenna is the metal level that is provided with asymmetric tapered slot antenna in the one side of dieelctric sheet, and the back side is the microstrip feed line layer; Two rearmounted metallic plates all are made up of dielectric substrate and the metal level that applies copper on the dielectric substrate two sides entirely; Wherein have two electric current yokes in Hou Zhi first copper clad plate and put the band and the line of rabbet joint in order to asymmetric tapered slot antenna is inserted of effect, the second rearmounted copper clad plate is provided with so that sub-miniature A connector and feeder line electrically contact slotted eye.Be added with in the line of rabbet joint of asymmetric tapered slot antenna and guide band into.On a side of asymmetric tapered slot antenna, be provided with choke groove.The microstrip feed line layer is with 90 ° of knuckle sections by external coaxial cable AN connector little, the coupled section of little band-line of rabbet joint, and the microstrip line section of three sections different in width of impedance matching section is joined and is formed.
Specific practice is: asymmetric tapered slot antenna 1 is made by the dieelctric sheet 12 of the two-sided deposited copper of photoetching, and one side is for there being the metal level 11 of asymmetric tapered slot; Another side is the microstrip feed line layer 13 of photoetching.The curve shape that side tapered slot section 111 and downside tapered slot section 112 respectively have particular design on the metal level 11 of asymmetric tapered slot, and width and length, they are linked to be circular line of rabbet joint resonant cavity 113 at top, open wide in terminal; Cut many degree of depth gradual changes on the long last half side metal edge, width is identical, identical at interval choke groove 115.Microstrip feed line layer 13 is joined by the microstrip line section of three sections different in width and forms, and little 90 ° of knuckle sections 133, the coupled section 131 of little band-line of rabbet joint, impedance matching section 132 be with of external coaxial cable AN connector wherein arranged.Guide band 114 in the tapered slot line of rabbet joint into.
The line of rabbet joint central authorities of rearmounted metallic reflection plate 2 have the slit, be used for vertically inserting asymmetric tapered slot antenna 1, and the welding of the metal level of this reflecting plate and tapered slot made be electric contact state, and having two yokes stream bars 21 by the upper end of the line of rabbet joint one side, be used for the backward radiation of yoke system, and crack by the feeder line place in the centre, open a small square hole, be used to make all fronts 13 to pass through, and rearmounted second copper clad plate 3 constitutes backward radiation yoke chute simultaneously with first copper clad plate 2, and first copper clad plate 2 also meets the place with the ground plate face electricity of asymmetric tapered slot antenna 1, and crack in the centre, allow SAM joint and feeder line electricity meet the place.
Claims (2)
1. ultra-wideband beam-shaped antenna is characterized in that this shaped aerial comprises asymmetric tapered slot antenna (1), two postposition first copper clad plates (2) vertical with asymmetric tapered slot antenna (1) and second copper clad plate (3); Asymmetric tapered slot antenna (1) and rearmounted first copper clad plate (2), second copper clad plate (3) all are made of the dieelctric sheet of two-sided deposited copper; The front of wherein asymmetric tapered slot antenna (1) promptly is provided with the metal level (11) of asymmetric tapered slot antenna in the one side of dieelctric sheet (12), the back side is microstrip feed line layer (13); Have the band (21) that two electric current yokes are put effect on rearmounted first copper clad plate (2), be provided with in the horn-type opening of asymmetric tapered slot antenna and guide band (114) into; On a side of asymmetric tapered slot antenna (1), be provided with choke groove (115).
2. ultra-wideband beam-shaped antenna according to claim 1 is characterized in that microstrip feed line layer (13) is joined by the microstrip line section of little coupled section (131) with 90 ° of knuckle sections (133), microstrip-slot line of external coaxial cable AN connector, (132) three sections different in width of impedance matching section to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102361649A CN101409383A (en) | 2008-11-25 | 2008-11-25 | Ultra-wideband beam-shaped antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102361649A CN101409383A (en) | 2008-11-25 | 2008-11-25 | Ultra-wideband beam-shaped antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101409383A true CN101409383A (en) | 2009-04-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102361649A Pending CN101409383A (en) | 2008-11-25 | 2008-11-25 | Ultra-wideband beam-shaped antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN101409383A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752659A (en) * | 2010-02-10 | 2010-06-23 | 东南大学 | Ultrabroad band double-faced transition groove wire antenna using coplanar waveguide feed |
| CN103594808A (en) * | 2013-11-29 | 2014-02-19 | 东南大学 | Thin-substrate slot-line difference-beam planar horn antenna |
| CN104377431A (en) * | 2013-08-15 | 2015-02-25 | 深圳光启创新技术有限公司 | Phased-array antenna equipment, wide-angle impedance matching device thereof and phased-array antenna system |
| CN105337030A (en) * | 2014-08-08 | 2016-02-17 | 中电科微波通信(上海)有限公司 | Vivaldi antenna and antenna apparatus |
| CN105390818A (en) * | 2015-10-30 | 2016-03-09 | 四川九洲电器集团有限责任公司 | Radiation device |
| CN106450695A (en) * | 2016-10-08 | 2017-02-22 | 广东通宇通讯股份有限公司 | Dipole unit antenna with declining asymmetric beam and dipole array antenna with declining asymmetric beam |
| CN110571518A (en) * | 2019-09-18 | 2019-12-13 | 湖南智领通信科技有限公司 | unmanned aerial vehicle machine carries antenna based on thermoplasticity polyimide panel |
| WO2021148051A1 (en) * | 2020-01-20 | 2021-07-29 | 展讯通信（上海）有限公司 | Broadband external antenna and wireless communication device |
-
2008
- 2008-11-25 CN CNA2008102361649A patent/CN101409383A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752659A (en) * | 2010-02-10 | 2010-06-23 | 东南大学 | Ultrabroad band double-faced transition groove wire antenna using coplanar waveguide feed |
| CN101752659B (en) * | 2010-02-10 | 2012-07-25 | 东南大学 | Ultrabroad band double-faced transition groove wire antenna using coplanar waveguide feed |
| CN104377431A (en) * | 2013-08-15 | 2015-02-25 | 深圳光启创新技术有限公司 | Phased-array antenna equipment, wide-angle impedance matching device thereof and phased-array antenna system |
| CN103594808A (en) * | 2013-11-29 | 2014-02-19 | 东南大学 | Thin-substrate slot-line difference-beam planar horn antenna |
| CN103594808B (en) * | 2013-11-29 | 2015-12-09 | 东南大学 | Thin substrate slot-line difference-beam planar horn antenna |
| CN105337030A (en) * | 2014-08-08 | 2016-02-17 | 中电科微波通信(上海)有限公司 | Vivaldi antenna and antenna apparatus |
| CN105390818A (en) * | 2015-10-30 | 2016-03-09 | 四川九洲电器集团有限责任公司 | Radiation device |
| CN106450695A (en) * | 2016-10-08 | 2017-02-22 | 广东通宇通讯股份有限公司 | Dipole unit antenna with declining asymmetric beam and dipole array antenna with declining asymmetric beam |
| CN106450695B (en) * | 2016-10-08 | 2023-08-08 | 广东通宇通讯股份有限公司 | Asymmetric beam downtilt element unit antenna and asymmetric beam downtilt element array antenna |
| CN110571518A (en) * | 2019-09-18 | 2019-12-13 | 湖南智领通信科技有限公司 | unmanned aerial vehicle machine carries antenna based on thermoplasticity polyimide panel |
| CN110571518B (en) * | 2019-09-18 | 2023-05-02 | 湖南智领通信科技有限公司 | Unmanned aerial vehicle airborne antenna based on thermoplastic polyimide board |
| WO2021148051A1 (en) * | 2020-01-20 | 2021-07-29 | 展讯通信（上海）有限公司 | Broadband external antenna and wireless communication device |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090415 |