CN203039100U - Dual-channel dual-frequency-band MIMO microstrip antenna - Google Patents
Dual-channel dual-frequency-band MIMO microstrip antenna Download PDFInfo
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- CN203039100U CN203039100U CN 201320013735 CN201320013735U CN203039100U CN 203039100 U CN203039100 U CN 203039100U CN 201320013735 CN201320013735 CN 201320013735 CN 201320013735 U CN201320013735 U CN 201320013735U CN 203039100 U CN203039100 U CN 203039100U
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- microstrip antenna
- metal paster
- rectangular metal
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Abstract
The utility model relates to a microstrip antenna. Directing at the defect that a dual-channel microstrip antenna in the prior is not allowed to work on different frequency bands, the utility model discloses a dual-channel dual-frequency-band MIMO microstrip antenna. The dual-channel dual-frequency-band MIMO microstrip antenna in the utility model comprises a substrate, a radiation unit and a ground plane, the radiation unit is located on the front side of the substrate, the ground plane is located on the back side of the substrate, the radiation unit is formed by a rectangular metal paster, the radiation unit has two feed ports, and are connected with a long side and a short side of the rectangular metal paster respectively, the long side of the rectangular metal paster is provided with two rectangular grooves parallel to the short side, the two rectangular grooves have the same structures, and are symmetrically distributed at two sides of a connecting line of midpoints of the long sides of the rectangular metal paster, the widths of the rectangular grooves are smaller than a half of the long sides of the rectangular metal paster, and the depths of the rectangular grooves are smaller than a half of the short sides of the rectangular metal paster. The dual-channel dual-frequency-band MIMO microstrip antenna has the characteristic of simple and compact structure.
Description
Technical field
The utility model relates to microstrip antenna, the particularly many input and output of binary channels two-band MIMO() microstrip antenna.
Background technology
General microstrip antenna is to apply metal forming as ground plane 11 at dielectric substrate 1 back side, positive metal patch (being radiating element 10) formation of making definite shape with lithography corrosion technology, as depicted in figs. 1 and 2, common radiating element shape has rectangle and circle etc.The characteristics of microstrip antenna are thin profile, and the microstrip antenna volume is little, in light weight, cost is low, are easy to produce in batches, are easy to various object shells such as aircraft, satellite even bullets conformal.But microstrip antenna has a significant disadvantages, and its working band is very narrow, has only usually about 3%, and this has limited the range of application of microstrip antenna greatly.Present electromagnetic environment is very complicated, and broadcast system, PCS Personal Communications System, Bluetooth technology, RFID(radio-frequency (RF) identification are arranged), radar system, satellite communication system etc., a system often relates to a plurality of frequency ranges.The binary channels microstrip antenna has two feed port (P, Q), connects two feed systems, can realize that the two-way electromagnetic wave receives.The binary channels microstrip antenna radiating element of prior art is the square-shaped metal paster, what have has also installed a parasitic metal patch 20 directly over radiating element 10, its effect is to introduce air dielectric between radiating element 10 and parasitic metal patch 20, the bandwidth of microstrip antenna is increased, gain improves, as shown in Figure 3.Though this binary channels microstrip antenna can receive two paths of signals, two paths of signals can only be on a working frequency range, can not realize two-band work, and with two feed systems of radiating element coupling also be identical.
The utility model content
Technical problem to be solved in the utility model is exactly at prior art binary channels microstrip antenna, can not be operated in the shortcoming of different frequency range, and a kind of binary channels two-band MIMO microstrip antenna is provided, and by improving the radiative unit structure shape, realizes two-band work.
The utility model solve the technical problem, the technical scheme that adopts is, binary channels two-band MIMO microstrip antenna, comprise substrate, radiating element and ground plane, described radiating element is positioned at the substrate front, described ground plane is positioned at substrate back, it is characterized in that, described radiating element is made of the rectangular metal paster, described radiating element has two feed port, the long limit and the minor face that connect described rectangular metal paster respectively, described rectangular metal paster has 2 rectangular channels parallel with minor face on the long limit, and 2 rectangular channels have same structure, and 2 rectangular channels are symmetrically distributed in the both sides of the long limit of rectangular metal paster mid point line, width of rectangular is less than 1/2 of the long limit of rectangular metal paster, and the rectangular channel degree of depth is less than 1/2 of rectangular metal paster minor face.
Preferably, described 2 rectangular channel openings are positioned on the same long limit of rectangular metal paster, and this length limit is connected with feed port.
Especially, described two feed port lay respectively at the mid point of the long limit of rectangular metal paster and minor face.
Further, directly over the described rectangular metal paster parasitic metal patch is installed.
The beneficial effects of the utility model are, have realized the two-band work of antenna having characteristics simple and compact for structure with simple structural change.
Description of drawings
Fig. 1 is prior art binary channels microstrip antenna structure schematic diagram;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the binary channels microstrip antenna structure schematic diagram that has increased parasitic metal patch;
Fig. 4 is the embodiment schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, describe the technical solution of the utility model in detail.
Binary channels two-band MIMO microstrip antenna of the present utility model by improving the planform of radiating element, has been realized the work of binary channels two-band.
Embodiment
This routine binary channels two-band MIMO microstrip antenna constitutes (ground plane 11 is invisible among Fig. 4) by substrate 1, radiating element 10 and ground plane 11 as shown in Figure 4.Radiating element 10 is the rectangular metal paster, is positioned at substrate 1 front, and the ground plane 11 at substrate 1 back side covers whole substrate 1.This routine radiating element 10 has two feed port P and Q, connects the long limit of rectangular metal paster 10 and the mid point of minor face respectively, and feed port P is connected feed system 2 and feed system 1 respectively with Q.Have 2 rectangular channels parallel with minor face 100 on the long limit of connection feed port P, article 2, rectangular channel 100 has same structure, article 2, rectangular channel is symmetrically distributed in the both sides of 10 two long limits of rectangular metal paster mid point line, rectangular channel 100 width K are less than 1/2 of the long limit of rectangular metal paster, and rectangular channel 100 degree of depth L are less than 1/2 of rectangular metal paster minor face.The microstrip antenna of this structure is conducive to improve antenna resonant frequency and bandwidth.The operating frequency that feed port P is corresponding higher, the operating frequency that feed port Q correspondence is lower, antenna can be operated in two frequency ranges.This routine feed system 1 has different structures with feed system 2, and coupling is hanged down operating frequency and higher operational frequency respectively, in order to reduce electromagnetic reflection.In order to improve antenna gain, this routine binary channels two-band MIMO microstrip antenna also can be installed parasitic metal patch 20(referring to Fig. 3 directly over metal patch 10).
Claims (4)
1. binary channels two-band MIMO microstrip antenna, comprise substrate, radiating element and ground plane, described radiating element is positioned at the substrate front, described ground plane is positioned at substrate back, it is characterized in that, described radiating element is made of the rectangular metal paster, described radiating element has two feed port, the long limit and the minor face that connect described rectangular metal paster respectively, described rectangular metal paster has 2 rectangular channels parallel with minor face on the long limit, article 2, rectangular channel has same structure, article 2, rectangular channel is symmetrically distributed in the both sides of the long limit of rectangular metal paster mid point line, width of rectangular is less than 1/2 of the long limit of rectangular metal paster, and the rectangular channel degree of depth is less than 1/2 of rectangular metal paster minor face.
2. binary channels two-band MIMO microstrip antenna according to claim 1 is characterized in that, described 2 rectangular channel openings are positioned on the same long limit of rectangular metal paster, and this length limit is connected with feed port.
3. binary channels two-band MIMO microstrip antenna according to claim 1 and 2 is characterized in that, described two feed port lay respectively at the mid point of the long limit of rectangular metal paster and minor face.
4. binary channels two-band MIMO microstrip antenna according to claim 3 is characterized in that, directly over the described rectangular metal paster parasitic metal patch is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320013735 CN203039100U (en) | 2013-01-11 | 2013-01-11 | Dual-channel dual-frequency-band MIMO microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320013735 CN203039100U (en) | 2013-01-11 | 2013-01-11 | Dual-channel dual-frequency-band MIMO microstrip antenna |
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| Publication Number | Publication Date |
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| CN203039100U true CN203039100U (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320013735 Expired - Fee Related CN203039100U (en) | 2013-01-11 | 2013-01-11 | Dual-channel dual-frequency-band MIMO microstrip antenna |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500882A (en) * | 2013-10-22 | 2014-01-08 | 厦门大学 | High-isolation-degree dual-polarized and double-port patch antenna |
| CN105305073A (en) * | 2015-09-23 | 2016-02-03 | 深圳市万普拉斯科技有限公司 | Multiple-input multiple-output antenna structure and mobile terminal |
| CN105467384A (en) * | 2014-09-30 | 2016-04-06 | 日本电产艾莱希斯株式会社 | Radar apparatus |
| CN107768809A (en) * | 2016-08-18 | 2018-03-06 | 南京理工大学 | A kind of microstrip antenna of low section air dielectric |
| CN109328416A (en) * | 2016-05-12 | 2019-02-12 | 皮尔金顿集团有限公司 | Connector for antenna, the glassing including connector and the antenna system including connector |
-
2013
- 2013-01-11 CN CN 201320013735 patent/CN203039100U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500882A (en) * | 2013-10-22 | 2014-01-08 | 厦门大学 | High-isolation-degree dual-polarized and double-port patch antenna |
| CN103500882B (en) * | 2013-10-22 | 2015-07-15 | 厦门大学 | High-isolation-degree dual-polarized and double-port patch antenna |
| CN105467384A (en) * | 2014-09-30 | 2016-04-06 | 日本电产艾莱希斯株式会社 | Radar apparatus |
| CN105467384B (en) * | 2014-09-30 | 2017-12-19 | 日本电产艾莱希斯株式会社 | Radar installations |
| CN105305073A (en) * | 2015-09-23 | 2016-02-03 | 深圳市万普拉斯科技有限公司 | Multiple-input multiple-output antenna structure and mobile terminal |
| CN105305073B (en) * | 2015-09-23 | 2019-03-12 | 深圳市万普拉斯科技有限公司 | Mimo antennas structure and mobile terminal |
| CN109328416A (en) * | 2016-05-12 | 2019-02-12 | 皮尔金顿集团有限公司 | Connector for antenna, the glassing including connector and the antenna system including connector |
| CN109328416B (en) * | 2016-05-12 | 2022-04-08 | 皮尔金顿集团有限公司 | Connector for antenna, glazing comprising connector and antenna system comprising connector |
| CN107768809A (en) * | 2016-08-18 | 2018-03-06 | 南京理工大学 | A kind of microstrip antenna of low section air dielectric |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20140111 |