CN104319491A - Broadband grid antenna array - Google Patents
Broadband grid antenna array Download PDFInfo
- Publication number
- CN104319491A CN104319491A CN201410564313.XA CN201410564313A CN104319491A CN 104319491 A CN104319491 A CN 104319491A CN 201410564313 A CN201410564313 A CN 201410564313A CN 104319491 A CN104319491 A CN 104319491A
- Authority
- CN
- China
- Prior art keywords
- radiating element
- antenna array
- grid antenna
- broadband
- floor
- 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.)
- Granted
Links
Abstract
The invention discloses a broadband grid antenna array. The broadband grid antenna array comprises a reflection floor and a plurality of radiating elements uprightly arranged on the reflection floor, wherein a plurality of micro strip transmission lines respectively connected with all the radiating elements are arranged on the upper layer of the reflection floor, the plurality of the radiating elements on the reflection floor form a grid antenna array in surrounding mode, radiation patches cover the obverse side and the reverse side of each radiating element, a section of each radiation patch, located on the lower portion of each of the obverse side and the reverse side of each radiating element, is corroded so as to expose a medium portion, metal slices are respectively pasted at the left end and the right end of each exposed medium portion, the metal slices are respectively connected with the radiation patches and the micro strip transmission lines, a plurality of via holes are formed in the periphery of each radiating element, and the plurality of the via holes penetrate through the radiation patches on the obverse sides and the reverse sides of each radiating element. The broadband grid antenna array is provided with a simple feed network, has the advantages of being large in bandwidth, easy to process, low in cost and the like, and can meet requirements of a broadband communication system.
Description
Technical field
The present invention relates to a kind of aerial array, especially a kind of broadband grid antenna array, belongs to wireless communication field.
Background technology
Antenna is used in wireless device launching and accepting electromagnetic equipment, and every electromagnetic wave that utilizes carrys out transmission of information, all relies on antenna to carry out work.Along with the development of the communication technology, the amount of information transmitted in radio communication gets more and more, also more and more higher to the requirement of antenna.Antenna is just towards the future development of broadband, intellectuality, low section, low cost.In the aerial array of current use, major part all needs to add that feeding network is to ensure the performance of antenna, but this return loss that not only can increase antenna also can increase the cost of antenna, makes the structure of antenna become complicated; And grid antenna is the high-gain aerial being applied in millimeter wave field, it utilizes the transmission line of 1/2nd wavelength to connect each radiating element, whole aerial array is made to only have an input port, feeder line is connected as a whole with antenna, but the bandwidth of this antenna is inadequate, cannot meet the bandwidth requirement of LTE frequency range.
According to investigations with understanding, disclosed prior art is as follows:
1) 2010, the people such as Xing Chen deliver in the article being entitled as " A Novel Wideband and Compact Microstrip Grid Array Antenna " on IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, author proposes a kind of micro-band raster antenna of compact conformation of broadband, corrugated transmission line makes compact conformation, radiation patch does the radiation bandwidth that ovalisation can increase antenna, and fractional bandwidth is 25%.
2) 2011, the people such as YueHui Cui deliver in the article being entitled as " Novel Dual-Broadband Planar Antenna and Its Array for2G/3G/LTE Base Stations " and propose a kind of aerial array being applied to base station on IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, this antenna has low frequency and high frequency two emission bands, the band requirement of 2G/3G/LTE can be met, but this aerial array needs complicated feeding network, adds the processing cost of antenna.
Summary of the invention
The object of the invention is the defect in order to solve above-mentioned prior art, providing a kind of broadband grid antenna array, the feeding network of this aerial array is simple, has the features such as bandwidth, handling ease, cost are low, can meet the requirement of wide-band communication system.
Object of the present invention can reach by taking following technical scheme:
A kind of broadband grid antenna array, comprise reflection floor and setting be arranged on reflection floor on multiple radiating elements, the upper strata on described reflection floor is provided with many microstrip transmission lines connecting each radiating element, and described multiple radiating element surrounds grid antenna array on reflection floor; The tow sides of described each radiating element are all coated with radiation patch, and the tow sides bottom of each radiating element all erodes one section of radiation patch exposes media fraction, the left and right two ends metal clad sheet respectively of this media fraction exposed, described sheet metal is connected with radiation patch and microstrip transmission line respectively; The surrounding of described each radiating element has multiple via hole, the double-edged radiation patch of described multiple via hole penetrating radiation unit.
As a kind of embodiment, described aerial array also comprises coaxial line, the lower floor on described reflection floor is metal floor, and the outer conductor of described coaxial line is connected with metal floor, is connected after the medium of inner wire through reflection floor with the sheet metal of one of them radiating element.
As a kind of embodiment, described multiple radiating element comprises the radiating element of longitudinal arrangement and transversely arranged radiating element.
As a kind of embodiment, the radiating element of described longitudinal arrangement has row or multiple row, and described transversely arranged radiating element has a line or multirow, and the columns of the radiating element of longitudinal arrangement is identical with the line number of transversely arranged radiating element.
As a kind of embodiment, the length of described every bar microstrip transmission line corresponding to grid antenna array center frequency wavelength 1/2nd.
As a kind of embodiment, multiple via holes of described each radiating element are evenly distributed on the surrounding of radiating element.
As a kind of embodiment, the shape of described reflection floor and multiple radiating element is rectangle.
The present invention has following beneficial effect relative to prior art:
1, aerial array of the present invention is erect and is arranged multiple radiating element on one piece of reflection floor, multiple radiating element is made to surround grid antenna array, energy of electromagnetic field is avoided to be stored between radiating element and reflection floor like this, add the radiation bandwidth of antenna, solve the problem that the conventional grid beamwidth of antenna is inadequate.
2, aerial array of the present invention is by coaxial line by energy feed-in radiating element, then by other radiating element of microstrip transmission line feed-in, whole feeding network is simple, overcomes the problem of traditional antenna feeding network complexity, can save the cost of manufacture of antenna.
3, aerial array of the present invention has more simple feeding network compared with conventional aerial array, whole aerial array is all arranged on one piece of reflection floor, handling ease, and cost is low, the LTE frequency range of 1.71GHz ~ 2.69GHz can be applied to, the requirement of wide-band communication system can be met.
Accompanying drawing explanation
Fig. 1 is the stereogram of the broadband grid antenna array of the embodiment of the present invention 1.
Fig. 2 is the front view of the broadband grid antenna array of the embodiment of the present invention 1.
Fig. 3 is the left view of the broadband grid antenna array of the embodiment of the present invention 1.
Fig. 4 is the vertical view of the broadband grid antenna array of the embodiment of the present invention 1.
Fig. 5 is the S parameter simulation result figure of the broadband grid antenna array of the embodiment of the present invention 1.
Fig. 6 a is the H surface radiation directional diagram of broadband grid antenna array at 2GHz of the embodiment of the present invention 1.
Fig. 6 b is the H surface radiation directional diagram of broadband grid antenna array at 2.2GHz of the embodiment of the present invention 1.
Fig. 6 c is the H surface radiation directional diagram of broadband grid antenna array at 2.4GHz of the embodiment of the present invention 1
Fig. 7 is the stereogram of the broadband grid antenna array of the embodiment of the present invention 2.
Fig. 8 is the stereogram of the broadband grid antenna array of the embodiment of the present invention 3.
Wherein, 1-reflects floor, 2-coaxial line, 3-radiating element, 4-microstrip transmission line, 5-radiation patch, 6-media fraction, 7-sheet metal, 8-via hole.
Embodiment
Embodiment 1:
As shown in Figure 1 to 4, the broadband grid antenna array of the present embodiment comprises reflection floor 1, coaxial line 2 and erects four radiating elements 3 be arranged on reflection floor 1, reflection floor 1 and four radiating elements 3 all adopt pcb board (dielectric permittivity is 2.55), and shape is rectangle; The upper strata on described reflection floor 1 is provided with four microstrip transmission lines 4 connecting each radiating element 3, and lower floor is metal floor; Two radiating element 3 longitudinal arrangements are had in described four radiating elements 3, two radiating elements 3 are transversely arranged, and (that is the radiating element 3 of longitudinal arrangement has row, transversely arranged radiating element 3 has a line), jointly on reflection floor 1, surround grid antenna array; The length of described every bar microstrip transmission line 4 corresponding to grid antenna array center frequency wavelength 1/2nd.
The tow sides of described each radiating element 3 are all coated with radiation patch 5, and the tow sides bottom of each radiating element 3 all erodes one section of radiation patch 5 exposes media fraction 6, and this design is mainly used to regulate the distance between antenna and reflection floor; The left and right two ends metal clad sheet 7 (tow sides respectively of the media fraction 6 that this exposes, have four pieces, sheet metal 7 hereinafter referred to as left end is left sheet metal 7, the sheet metal 7 of right-hand member is right sheet metal 7), the right sheet metal 7 of the radiating element 3 on the grid antenna array left side is connected with radiation patch 5 and microstrip transmission line 4 respectively; The left sheet metal 7 of the radiating element 3 on the right of grid antenna array is connected with radiation patch 5 and microstrip transmission line 4 respectively, and the left sheet metal 7 of the radiating element 3 of grid antenna array front and back is connected with radiation patch 5 and microstrip transmission line 4 all respectively with right sheet metal 7; The surrounding of described each radiating element 3 has multiple equally distributed via hole 8, and the double-edged radiation patch 5 of described multiple via hole 8 penetrating radiation unit 3, makes double-edged radiation patch 5 link together; The outer conductor of described coaxial line 2 is connected with metal floor, is connected after the medium of inner wire through reflection floor 1 with the right sheet metal 7 of the radiating element 3 on the grid antenna array left side.
The operation principle of the broadband grid antenna array of the present embodiment is: energy is first fed in the radiating element 3 on the grid antenna array left side by coaxial line 2, then be fed in other radiating element 3 by microstrip transmission line 4, due to microstrip transmission line 4 length corresponding to grid antenna array center frequency wavelength 1/2nd, so the sense of current of each radiating element 3 is the same near centre frequency, with traditional grid antenna unlike, radiating element 3 erects by the present embodiment, energy of electromagnetic field is avoided to be stored between radiating element 3 and reflection floor 1 like this, add the radiation bandwidth of antenna, electric current can have a lot of path on radiating element 3, and different current paths can produce radiation at different Frequency points.
By calculating and electromagnetic-field simulation, carry out verifying emulation to the broadband grid antenna array of the present embodiment, as shown in Figure 5, the curve of the S parameter simulation result of this antenna in 1.4 ~ 2.7Ghz frequency range is given, S1,1 curve refers to input return loss (reflection coefficient), can see, in the LTE frequency range of 1.71GHz ~ 2.41GHz, S1, the value of 1 curve is less than-10dB, can meet the requirement of broadband high-speed wireless telecommunication system.As shown in Fig. 6 a ~ 6c, (wherein Fig. 6 a is the H surface radiation directional diagram when 2GHz to the H surface radiation directional diagram of the broadband grid antenna array of the present embodiment, Fig. 6 b is the H surface radiation directional diagram when 2.2GHz, Fig. 6 c is the H surface radiation directional diagram when 2.4GHz), can see, H surface radiation directional diagram keeps stable in wider frequency range, and greatest irradiation point is all towards Z axis (axis perpendicular to reflection floor 1) positive direction.
Embodiment 2:
As shown in Figure 7, on the architecture basics of embodiment 1, carry out extending transversely, reflection floor 1 is formed the grid antenna array of ten radiating elements 3, and can see that the radiating element 3 of longitudinal arrangement has three row, transversely arranged radiating element 3 has three row.
Embodiment 3:
As shown in Figure 8, on the architecture basics of embodiment 1, carry out horizontal and vertical expansion simultaneously, reflection floor 1 is formed the grid antenna array of 16 radiating elements 3, can see that the radiating element 3 of longitudinal arrangement has five row, transversely arranged radiating element 3 has the five-element.
In above-described embodiment, the pcb board that described reflecting plate and each radiating element adopt can be made up of any one dielectric material of FR4, polyimides, polytetrafluoroethylglass glass cloth and common burning porcelain; The metal that described metal floor, radiation patch and sheet metal adopt is any one of aluminium, iron, tin, copper, silver, gold and platinum, or is any one alloy of aluminium, iron, tin, copper, silver, gold and platinum.
The above; be only patent preferred embodiment of the present invention; but the protection range of patent of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the scope disclosed in patent of the present invention; be equal to according to the technical scheme of patent of the present invention and inventive concept thereof and replace or change, all belonged to the protection range of patent of the present invention.
Claims (7)
1. a broadband grid antenna array, it is characterized in that: comprise reflection floor and setting be arranged on reflection floor on multiple radiating elements, the upper strata on described reflection floor is provided with many microstrip transmission lines connecting each radiating element, and described multiple radiating element surrounds grid antenna array on reflection floor; The tow sides of described each radiating element are all coated with radiation patch, and the tow sides bottom of each radiating element all erodes one section of radiation patch exposes media fraction, the left and right two ends metal clad sheet respectively of this media fraction exposed, described sheet metal is connected with radiation patch and microstrip transmission line respectively; The surrounding of described each radiating element has multiple via hole, the double-edged radiation patch of described multiple via hole penetrating radiation unit.
2. a kind of broadband according to claim 1 grid antenna array, it is characterized in that: described aerial array also comprises coaxial line, the lower floor on described reflection floor is metal floor, the outer conductor of described coaxial line is connected with metal floor, is connected after the medium of inner wire through reflection floor with the sheet metal of one of them radiating element.
3. a kind of broadband according to claim 1 grid antenna array, is characterized in that: described multiple radiating element comprises the radiating element of longitudinal arrangement and transversely arranged radiating element.
4. a kind of broadband according to claim 3 grid antenna array, it is characterized in that: the radiating element of described longitudinal arrangement has row or multiple row, described transversely arranged radiating element has a line or multirow, and the columns of the radiating element of longitudinal arrangement is identical with the line number of transversely arranged radiating element.
5. a kind of broadband according to claim 1 grid antenna array, is characterized in that: the length of described every bar microstrip transmission line corresponding to grid antenna array center frequency wavelength 1/2nd.
6. a kind of broadband according to claim 1 grid antenna array, is characterized in that: multiple via holes of described each radiating element are evenly distributed on the surrounding of radiating element.
7. a kind of broadband grid antenna array according to any one of claim 1-6, is characterized in that: the shape of described reflection floor and multiple radiating element is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410564313.XA CN104319491B (en) | 2014-10-21 | A kind of broadband grid antenna array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410564313.XA CN104319491B (en) | 2014-10-21 | A kind of broadband grid antenna array |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104319491A true CN104319491A (en) | 2015-01-28 |
| CN104319491B CN104319491B (en) | 2017-01-04 |
Family
ID=
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806326A (en) * | 2018-08-15 | 2018-11-13 | 常州普纳电子科技有限公司 | A kind of parking data acquisition system and its working method based on Cloud Server |
| CN108837565A (en) * | 2018-07-10 | 2018-11-20 | 常州普纳电子科技有限公司 | A kind of intelligence press filteration system and its working method |
| CN108837982A (en) * | 2018-07-10 | 2018-11-20 | 常州普纳电子科技有限公司 | A kind of paint spraying system and its working method selecting color automatically |
| CN108924259A (en) * | 2018-08-15 | 2018-11-30 | 常州普纳电子科技有限公司 | A kind of old man based on Cloud Server looks after system and its working method |
| CN108952814A (en) * | 2018-08-15 | 2018-12-07 | 常州普纳电子科技有限公司 | A kind of coal mine safety monitoring system and its working method based on big data analysis |
| CN108985859A (en) * | 2018-08-15 | 2018-12-11 | 常州普纳电子科技有限公司 | A kind of agricultural product supplying monitoring system and its working method based on big data analysis |
| CN109028479A (en) * | 2018-08-15 | 2018-12-18 | 常州普纳电子科技有限公司 | A kind of indoor air quality automatic regulating system and its working method |
| CN109066089A (en) * | 2018-08-28 | 2018-12-21 | 昆山睿翔讯通通信技术有限公司 | Communication terminal multiband based on network covers antenna structure |
| CN110459862A (en) * | 2019-08-23 | 2019-11-15 | 深圳大学 | A kind of millimeter wave grid array antenna based on slot radiation |
| CN112448172A (en) * | 2021-02-01 | 2021-03-05 | 成都天锐星通科技有限公司 | Planar phased array antenna |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH036106A (en) * | 1989-05-16 | 1991-01-11 | Hughes Aircraft Co | Multiple band grid focus plane array antenna |
| RU2087058C1 (en) * | 1994-08-19 | 1997-08-10 | Центр непрерывной целевой радиотехнической подготовки специалистов | Planar microstrip antenna array (options) |
| EP2037534A1 (en) * | 2007-09-14 | 2009-03-18 | M/A-Com, Inc. | Grid antenna |
| CN102292873A (en) * | 2008-12-12 | 2011-12-21 | 南洋理工大学 | Grid array antennas and an integration structure |
| CN102354804A (en) * | 2011-06-22 | 2012-02-15 | 高宝强 | High-gain microstrip radiating antenna |
| CN202217783U (en) * | 2011-07-12 | 2012-05-09 | 上海无线通信研究中心 | Broadband miniaturized micro-strip grid array antenna |
| CN204130705U (en) * | 2014-10-21 | 2015-01-28 | 华南理工大学 | A kind of broadband grid antenna array |
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH036106A (en) * | 1989-05-16 | 1991-01-11 | Hughes Aircraft Co | Multiple band grid focus plane array antenna |
| RU2087058C1 (en) * | 1994-08-19 | 1997-08-10 | Центр непрерывной целевой радиотехнической подготовки специалистов | Planar microstrip antenna array (options) |
| EP2037534A1 (en) * | 2007-09-14 | 2009-03-18 | M/A-Com, Inc. | Grid antenna |
| CN102292873A (en) * | 2008-12-12 | 2011-12-21 | 南洋理工大学 | Grid array antennas and an integration structure |
| CN102354804A (en) * | 2011-06-22 | 2012-02-15 | 高宝强 | High-gain microstrip radiating antenna |
| CN202217783U (en) * | 2011-07-12 | 2012-05-09 | 上海无线通信研究中心 | Broadband miniaturized micro-strip grid array antenna |
| CN204130705U (en) * | 2014-10-21 | 2015-01-28 | 华南理工大学 | A kind of broadband grid antenna array |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108837565B (en) * | 2018-07-10 | 2021-05-04 | 邵阳市东新建材有限公司 | Intelligent filter pressing system and working method thereof |
| CN108837565A (en) * | 2018-07-10 | 2018-11-20 | 常州普纳电子科技有限公司 | A kind of intelligence press filteration system and its working method |
| CN108837982A (en) * | 2018-07-10 | 2018-11-20 | 常州普纳电子科技有限公司 | A kind of paint spraying system and its working method selecting color automatically |
| CN108952814A (en) * | 2018-08-15 | 2018-12-07 | 常州普纳电子科技有限公司 | A kind of coal mine safety monitoring system and its working method based on big data analysis |
| CN108806326A (en) * | 2018-08-15 | 2018-11-13 | 常州普纳电子科技有限公司 | A kind of parking data acquisition system and its working method based on Cloud Server |
| CN108985859A (en) * | 2018-08-15 | 2018-12-11 | 常州普纳电子科技有限公司 | A kind of agricultural product supplying monitoring system and its working method based on big data analysis |
| CN109028479A (en) * | 2018-08-15 | 2018-12-18 | 常州普纳电子科技有限公司 | A kind of indoor air quality automatic regulating system and its working method |
| CN108952814B (en) * | 2018-08-15 | 2020-09-22 | 苏州律点信息科技有限公司 | Coal mine safety monitoring system based on big data analysis and working method thereof |
| CN108924259A (en) * | 2018-08-15 | 2018-11-30 | 常州普纳电子科技有限公司 | A kind of old man based on Cloud Server looks after system and its working method |
| CN108985859B (en) * | 2018-08-15 | 2022-06-14 | 哈尔滨鹏博普华科技发展有限责任公司 | Agricultural product supply monitoring system based on big data analysis and working method thereof |
| CN109066089A (en) * | 2018-08-28 | 2018-12-21 | 昆山睿翔讯通通信技术有限公司 | Communication terminal multiband based on network covers antenna structure |
| CN109066089B (en) * | 2018-08-28 | 2024-01-09 | 昆山睿翔讯通通信技术有限公司 | Multi-band coverage antenna structure of mobile communication terminal based on grid structure |
| CN110459862A (en) * | 2019-08-23 | 2019-11-15 | 深圳大学 | A kind of millimeter wave grid array antenna based on slot radiation |
| CN110459862B (en) * | 2019-08-23 | 2021-05-18 | 深圳大学 | Millimeter wave grid array antenna based on slot radiation |
| CN112448172A (en) * | 2021-02-01 | 2021-03-05 | 成都天锐星通科技有限公司 | Planar phased array antenna |
| CN112448172B (en) * | 2021-02-01 | 2021-04-20 | 成都天锐星通科技有限公司 | Planar phased array antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108736162B (en) | Novel antenna unit suitable for 5G terminal device | |
| CN102570058B (en) | Compound multi-antenna system and wireless communication device thereof | |
| CN102299418A (en) | Multilayer broadband microstrip antenna | |
| CN211578970U (en) | High-isolation microstrip quaternary MIMO antenna array | |
| CN106356619A (en) | Wide-band and high-gain WiFi (Wireless Fidelity) omnidirectional antenna | |
| CN102110905A (en) | Omnidirectional wideband high gain antenna | |
| CN108511924A (en) | A kind of broadband end-on-fire antenna array for millimeter-wave communication system | |
| CN107768819A (en) | A kind of controllable end-fire millimeter wave antenna of radiation direction | |
| CN207282711U (en) | A kind of millimeter wave circular polarised array antenna and its radiator | |
| Mishra et al. | Study of Sierpinski fractal antenna and its array with different patch geometries for short wave Ka band wireless applications | |
| CN207517869U (en) | A kind of controllable end-fire millimeter wave antenna of radiation direction | |
| CN210897639U (en) | Dipole array antenna | |
| TWI502815B (en) | Dual frequency antenna | |
| CN204651477U (en) | Double frequency WIFI omnidirectional antenna | |
| CN106129600B (en) | High-gain millimeter wave grid array antenna | |
| CN104993245A (en) | S-waveband communication-in-motion double-frequency circularly polarized micro-strip antenna and array thereof | |
| Vadlamudi et al. | Very Low Profile, Wideband, Dual polarized Massive MIMO Antenna Element with High Isolation for 5G Base Station Applications | |
| CN101483278B (en) | Combined array antenna | |
| Li et al. | A broadband printed dipole and a printed array for base station applications | |
| CN204130705U (en) | A kind of broadband grid antenna array | |
| CN103050770B (en) | Broadband LTE (Long Term Evolution) combined element antenna unit | |
| CN102832451A (en) | Wide-band miniaturized gain-controllable directional antenna and manufacturing method thereof | |
| CN104319491B (en) | A kind of broadband grid antenna array | |
| CN105514591B (en) | Electric wire double frequency band aerial | |
| CN104319491A (en) | Broadband grid antenna array |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20211021 |