CN108306087A - A kind of double frequency transmission line and its double frequency leaky-wave antenna - Google Patents
A kind of double frequency transmission line and its double frequency leaky-wave antenna Download PDFInfo
- Publication number
- CN108306087A CN108306087A CN201711274740.4A CN201711274740A CN108306087A CN 108306087 A CN108306087 A CN 108306087A CN 201711274740 A CN201711274740 A CN 201711274740A CN 108306087 A CN108306087 A CN 108306087A
- Authority
- CN
- China
- Prior art keywords
- dielectric substrate
- double frequency
- port
- metal band
- transmission line
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/18—Waveguides; Transmission lines of the waveguide type built-up from several layers to increase operating surface, i.e. alternately conductive and dielectric layers
-
- 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
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/206—Microstrip transmission line antennas
Abstract
The present invention discloses a kind of double frequency transmission line and its double frequency leaky-wave antenna, double frequency transmission line include：The top dielectric substrate and layer dielectric substrate set gradually from top to bottom；The layer dielectric substrate is integrated with metal layer；The top dielectric substrate is provided with substrate integration wave-guide；Wherein, the substrate integration wave-guide includes the plated through-hole for being integrated in the metal band of the top dielectric substrate and being etched on the metal band both sides, and the plated through-hole on the metal band both sides is extended along the metal band both ends respectively.The present invention can work at the same time in microwave and millimeter wave frequency range and possess big frequency ratio.
Description
Technical field
The present invention relates to electronics and field of communication information, more particularly to a kind of double frequency transmission line and its double frequency leaky wave day
Line.
Background technology
In modern wireless communication system, double frequency or multifrequency antenna play vital role, because it can be with
The occupied space of antenna is saved, to be played a role to the size for reducing entire antenna system.It is now a large amount of wireless
The working frequency range of equipment is only designed the microwave frequency band in low frequency, but with the fast development of contemporary millimeter-wave technology, it is micro-
Wave millimeter wave will be simultaneously applied in wireless telecommunications, and equipment is made to obtain preferably performance.Therefore, it can work at the same time in microwave
The antenna element of millimeter wave frequency band is for these following applications, it will becomes a selection well.Leaky-wave antenna is because of it
Unique beam scanning characteristic and simple feed structure are always the hot spot of scientific research personnel's research.In recent years, by using
Planar transmission line (microstrip line, substrate integration wave-guide), miscellaneous leaky-wave antenna is devised.These leaky-wave antennas possess
Low section, it is easy of integration, inexpensive the advantages that, wireless device is widely used in, currently, leaky-wave antenna will also be used in
In five generations (5G) mobile communication, although having been devised by the leaky-wave antenna of double frequency now, between both working frequency range
Frequency ratio is only in 2 or so, even less than 2.
Therefore, design a kind of big frequency than double frequency leaky-wave antenna, have great significance for wireless application.
Invention content
The purpose of the present invention is to provide a kind of double frequency transmission line and its double frequency leaky-wave antennas, can work at the same time in microwave
Millimeter wave frequency band and possess big frequency ratio.
In order to achieve the above objectives, the present invention uses following technical proposals：A kind of double frequency transmission line, including from top to bottom successively
The top dielectric substrate and layer dielectric substrate of setting；
The layer dielectric substrate is integrated with metal layer；
The top dielectric substrate is integrated with substrate integration wave-guide；Wherein,
The substrate integration wave-guide includes being integrated in the metal band of the top dielectric substrate and being etched in the gold
Belong to the plated through-hole on band both sides, is located at the plated through-hole on the metal band both sides respectively along the metal band both ends
Extended.
Preferably, the thickness of the top dielectric substrate is less than the layer dielectric substrate.
Preferably, the both ends of the metal band are both provided with feed structure, and the feed structure includes
First port and second port for low frequency feed；
Third port for high frequency feed and the 4th port.
Preferably, the first port input energy is transmitted to the second port, and then double frequency transmission line described in feed-in.
Preferably, the third port input energy is transmitted to the 4th port, and then double frequency transmission line described in feed-in.
A kind of double frequency leaky-wave antenna, including the top dielectric substrate and layer dielectric substrate that set gradually from top to bottom；
The layer dielectric substrate is integrated with metal layer；
The top dielectric substrate is provided with substrate integration wave-guide；Wherein,
The substrate integration wave-guide includes being integrated in the metal band of the top dielectric substrate and being etched in the gold
Belong to the plated through-hole on band both sides, is located at the plated through-hole on the metal band both sides respectively along the metal band both ends
Extended；
It is etched in the middle part of the metal band in periodic arrangement and the gap that is extended along the metal band both ends
Array；
Patch array, the patch array position are etched on the top dielectric substrate bottom or layer dielectric substrate
In the substrate integration wave-guide both sides.
Preferably, the thickness of the top dielectric substrate is less than the layer dielectric substrate.
Preferably, the both ends of the metal band are both provided with feed structure, and the feed structure includes
First port and second port for low frequency feed；
Third port for high frequency feed and the 4th port.
Preferably, the first port input energy is transmitted to the second port, and then double frequency leaky wave day described in feed-in
Line.
Preferably, the third port input energy is transmitted to the 4th port, and then double frequency leaky wave day described in feed-in
Line.
Beneficial effects of the present invention are as follows：
Technical solution of the present invention has the advantages that definite principle, design are simple, simultaneously works in microwave and milli
Meter wave frequency band possesses big frequency ratio, and flexibly can adjust two by changing the dielectric constant of top dielectric substrate
Frequency ratio between working frequency range, compact-sized, integrated level height and realization easy to process.
Description of the drawings
Specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows the present embodiment structural schematic diagram of dielectric substrate and layer dielectric substrate at the middle and upper levels；
Fig. 2 shows gap array in the present embodiment and the structural schematic diagrams of plated through-hole；
Fig. 3 shows the structural schematic diagram of feed structure in the present embodiment；
Fig. 4 shows the S parameter result test chart of double frequency transmission line in the present embodiment；
Fig. 5 shows the propagation constant result test chart of double frequency transmission line in the present embodiment；
Fig. 6 shows the S parameter result test chart of double frequency leaky-wave antenna in the present embodiment；
Fig. 7 shows that main beam can scanning angle test chart in low frequency for double frequency leaky-wave antenna in the present embodiment；
Fig. 8 shows that main beam can scanning angle test chart in high frequency for double frequency leaky-wave antenna in the present embodiment.
In figure：1, top dielectric substrate；2, layer dielectric substrate；3, metal band；4, plated through-hole；5, metal layer；6、
First port；7, second port；8, third port；9, the 4th port；10, gap array；11, patch array.
Specific implementation mode
In order to illustrate more clearly of the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.Similar component is indicated with identical reference numeral in attached drawing.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
A kind of double frequency transmission line, including the top dielectric substrate 1 and layer dielectric substrate 2 that set gradually from top to bottom,
And the thickness of top dielectric substrate 1 is less than layer dielectric substrate 2, and metal layer 5, top dielectric are integrated on layer dielectric substrate 2
Be provided with substrate integration wave-guide on substrate 1, substrate integration wave-guide include the metal band 3 that is integrated on top dielectric substrate 1 with
And it is etched in the plated through-hole 4 of 3 both sides of metal band, and the plated through-hole 4 on 3 both sides of metal band is respectively along metal
3 both ends of band are extended, and feed structure is additionally provided on double frequency transmission line, and feed structure is located at the two of metal band 3
End, feed structure includes the first port 6 fed for low frequency and second port 7；For high frequency feed third port 8 with
And the 4th port 9.6 input energy of first port is transmitted to second port 7, and then feed-in double frequency transmission line；Third port 8 inputs
Energy transmission is to the 4th port 9, and then feed-in double frequency transmission line.
The substrate integration wave-guide being made up of the metal band 3 and plated through-hole 4 that are integrated in top dielectric substrate 1 transmits
TE10 moulds, and work in high frequency；Substrate integration wave-guide constitutes traditional micro-strip with the layer dielectric substrate 2 for being integrated with metal layer 5
Transmission line transmits TEM moulds, and works in low frequency so that double frequency transmission line being capable of simultaneous transmission microwave and millimeter wave.
Double frequency transmission line can not only simultaneous transmission microwave and millimeter wave, and possess big frequency ratio, it is possible to be based on
The structure of double frequency transmission line designs a kind of double frequency leaky-wave antenna, includes the metal band 3 on being integrated in substrate integration wave-guide
The gap array 10 of upper etching cycle, and the leaky-wave antenna for working in high frequency is constituted together with substrate integration wave-guide；On upper layer
On 1 bottom of dielectric substrate or the top of layer dielectric substrate 2 etching positioned at substrate integration wave-guide both sides patch array 11, and with it is upper
The microstrip transmission line stated constitutes the leaky-wave antenna for working in low frequency.
The double frequency transmission line described in the present embodiment is tested below by Network Analyzer, double frequency transmits from Fig. 4
The S parameter of line and the propagation constant result in Fig. 5 can be seen that the double frequency transmission line described in the present embodiment has and pass well
The propagation constant and high-frequency wideband of defeated broadband and low loss characteristic and double frequency transmission line are normal by the dielectric of top dielectric substrate 11
Several influence, by the way that the S parameter of the double frequency leaky-wave antenna described in the present embodiment can be obtained shown in Fig. 6 as a result, can be with from test result
Find out the design in 5.6GHz to 8.6GHz, 35GHz to 40GHz frequency ranges | S11 | it is less than -10dB, while respective slotting
Enter loss | S21 | no more than -6db and -25db, as can be known from Fig. 7, double frequency leaky-wave antenna described in the present embodiment master in low frequency
Wave beam can scanning angle ranging from -64 degree to 0 degree, as can be known from Fig. 8, the double frequency leaky-wave antenna described in the present embodiment is in high frequency
Ranging from 11 degree to 70 degree of the scanning angle of main beam.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is every to belong to this hair
Row of the obvious changes or variations that bright technical solution is extended out still in protection scope of the present invention.
Claims (10)
1. a kind of double frequency transmission line, which is characterized in that including the top dielectric substrate (1) set gradually from top to bottom and lower layer
Dielectric substrate (2)；
The layer dielectric substrate (2) is integrated with metal layer (5)；
The top dielectric substrate (1) is integrated with substrate integration wave-guide；Wherein,
The substrate integration wave-guide includes being integrated in the metal band (3) of the top dielectric substrate (1) and being etched in described
Plated through-hole (4) on metal band (3) both sides is located at the plated through-hole (4) on the metal band (3) both sides respectively along institute
Metal band (3) both ends are stated to be extended.
2. double frequency transmission line according to claim 1, which is characterized in that the thickness of the top dielectric substrate (1) is less than
The layer dielectric substrate (2).
3. double frequency transmission line according to claim 1, which is characterized in that the both ends of the metal band (3) are both provided with
Feed structure, the feed structure include
First port (6) and second port (7) for low frequency feed；
Third port (8) for high frequency feed and the 4th port (9).
4. double frequency transmission line according to claim 3, which is characterized in that first port (6) input energy is transmitted to
The second port (7), and then double frequency transmission line described in feed-in.
5. double frequency transmission line according to claim 3, which is characterized in that third port (8) input energy is transmitted to
4th port (9), and then double frequency transmission line described in feed-in.
6. a kind of double frequency leaky-wave antenna, which is characterized in that including the top dielectric substrate (1) that sets gradually from top to bottom and under
Layer dielectric substrate (2)；
The layer dielectric substrate (2) is integrated with metal layer (5)；
The top dielectric substrate (1) is provided with substrate integration wave-guide；Wherein,
The substrate integration wave-guide includes being integrated in the metal band (3) of the top dielectric substrate (1) and being etched in described
Plated through-hole (4) on metal band (3) both sides is located at the plated through-hole (4) on the metal band (3) both sides respectively along institute
Metal band (3) both ends are stated to be extended；
It is etched in the middle part of the metal band (3) in periodic arrangement and the seam that is extended along the metal band (3) both ends
Gap array (10)；
It is etched with patch array (11), the patch at the top of top dielectric substrate (1) bottom or layer dielectric substrate (2)
Array (11) is located at the substrate integration wave-guide both sides.
7. a kind of double frequency leaky-wave antenna according to claim 6, which is characterized in that the thickness of the top dielectric substrate (1)
Degree is less than the layer dielectric substrate (2).
8. a kind of double frequency leaky-wave antenna according to claim 6, which is characterized in that the both ends of the metal band (3) are equal
It is provided with feed structure, the feed structure includes
First port (6) and second port (7) for low frequency feed；
Third port (8) for high frequency feed and the 4th port (9).
9. a kind of double frequency leaky-wave antenna according to claim 8, which is characterized in that first port (6) input energy
It is transmitted to the second port (7), and then double frequency leaky-wave antenna described in feed-in.
10. a kind of double frequency leaky-wave antenna according to claim 8, which is characterized in that third port (8) input energy
It is transmitted to the 4th port (9), and then double frequency leaky-wave antenna described in feed-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711274740.4A CN108306087B (en) | 2017-12-06 | 2017-12-06 | Double-frequency transmission line and double-frequency leaky-wave antenna thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711274740.4A CN108306087B (en) | 2017-12-06 | 2017-12-06 | Double-frequency transmission line and double-frequency leaky-wave antenna thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108306087A true CN108306087A (en) | 2018-07-20 |
| CN108306087B CN108306087B (en) | 2020-03-31 |
Family
ID=62869825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711274740.4A Active CN108306087B (en) | 2017-12-06 | 2017-12-06 | Double-frequency transmission line and double-frequency leaky-wave antenna thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108306087B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110085990A (en) * | 2019-05-05 | 2019-08-02 | 南京邮电大学 | A kind of composite left-and-right-hand leaky-wave antenna minimizing continuous beam scanning |
| WO2020022962A1 (en) * | 2018-07-25 | 2020-01-30 | Nanyang Technological University | A radar sensor |
| CN112768921A (en) * | 2020-12-30 | 2021-05-07 | 杭州电子科技大学 | High-scanning-rate leaky-wave antenna based on metamaterial unit |
| CN114336019A (en) * | 2021-12-15 | 2022-04-12 | 华南理工大学 | 5G large-frequency-ratio beam scanning antenna with co-radiator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268981A (en) * | 2013-05-14 | 2013-08-28 | 中国科学院深圳先进技术研究院 | Planar patch antenna for substrate integration waveguide slotting coupled feeding |
| CN107317080A (en) * | 2017-06-15 | 2017-11-03 | 云南大学 | Inexpensive microstrip line encapsulation based on the integrated gap waveguide of substrate |
-
2017
- 2017-12-06 CN CN201711274740.4A patent/CN108306087B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268981A (en) * | 2013-05-14 | 2013-08-28 | 中国科学院深圳先进技术研究院 | Planar patch antenna for substrate integration waveguide slotting coupled feeding |
| CN107317080A (en) * | 2017-06-15 | 2017-11-03 | 云南大学 | Inexpensive microstrip line encapsulation based on the integrated gap waveguide of substrate |
Non-Patent Citations (1)
| Title |
|---|
| RENAT R. ABDULLIN等: ""Performance Calculation of Leaky-Wave Antenna Based on Substrate Integrated Waveguide with Transverse Slots"", 《2015 IEEE INTERNATIONAL CONFERENCE ON MICROWAVES, COMMUNICATIONS, ANTENNAS AND ELECTRONIC SYSTEMS (COMCAS)》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020022962A1 (en) * | 2018-07-25 | 2020-01-30 | Nanyang Technological University | A radar sensor |
| CN112470030A (en) * | 2018-07-25 | 2021-03-09 | 南洋理工大学 | Radar sensor |
| CN112470030B (en) * | 2018-07-25 | 2022-03-15 | 南洋理工大学 | Radar sensor |
| US11300656B2 (en) | 2018-07-25 | 2022-04-12 | Nanyang Technological University | Radar sensor |
| CN110085990A (en) * | 2019-05-05 | 2019-08-02 | 南京邮电大学 | A kind of composite left-and-right-hand leaky-wave antenna minimizing continuous beam scanning |
| CN112768921A (en) * | 2020-12-30 | 2021-05-07 | 杭州电子科技大学 | High-scanning-rate leaky-wave antenna based on metamaterial unit |
| CN112768921B (en) * | 2020-12-30 | 2022-07-29 | 杭州电子科技大学 | High-scanning-rate leaky-wave antenna based on metamaterial unit |
| CN114336019A (en) * | 2021-12-15 | 2022-04-12 | 华南理工大学 | 5G large-frequency-ratio beam scanning antenna with co-radiator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108306087B (en) | 2020-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207690998U (en) | A kind of micro-strip paster antenna with wide band high-gain | |
| CN108306087A (en) | A kind of double frequency transmission line and its double frequency leaky-wave antenna | |
| CN103531918B (en) | A kind of broad-band chip integrated waveguide circular polarized antenna array and preparation method thereof | |
| CN104993243A (en) | Ultra-wide-band horn antenna | |
| CN101533960A (en) | Millimeter-wave four-polarized frequency scanning antenna | |
| CN201383549Y (en) | Multibeam antenna with high radiation efficiency | |
| CN103500883B (en) | Broadband substrate integrated waveguide circularly polarized antenna | |
| CN102637958A (en) | Composite left-right-hand transmission line type narrow band wide-range frequency scan antenna | |
| CN100511833C (en) | Chip integrated waveguide broad-band multipath power distributor | |
| CN105896036A (en) | Broadband differential antenna | |
| CN201413867Y (en) | Antenna with four different polarization modes | |
| CN101227028B (en) | Double frequency slit antenna of substrate integrated waveguide | |
| CN106532270B (en) | Resistor loaded for electromagnetic radiation measuring system minimizes Vivaldi antenna | |
| CN210628466U (en) | Waveguide and microstrip transition conversion structure | |
| Khabba et al. | Beam-steering millimeter-wave antenna array for fifth generation smartphone applications | |
| CN201178135Y (en) | Bi-frequency slit antenna of substrate integrated waveguide | |
| CN111244624A (en) | Parasitic patch array antenna with substrate integrated waveguide feed | |
| CN110783710A (en) | Vivaldi antenna capable of realizing low return loss and high gain at low frequency | |
| Liu et al. | A SIW-Based vivaldi array antenna for 5G wireless communication systems | |
| CN110061336A (en) | Four power splitter of integral substrate gap waveguide of encapsulation | |
| CN114006157A (en) | Planar quasi-yagi antenna based on substrate integrated waveguide and tapered gradient structure feed | |
| CN110534882B (en) | Double-frequency antenna | |
| Zhai et al. | Printed quasi-Yagi antenna fed by half mode substrate integrated waveguide | |
| Ma et al. | A printed magneto-electric dipole based on substrate integrated gap waveguide | |
| Phalak et al. | Surface integrated waveguide fed antipodal fermi-linear tapered slot antenna at 28 ghz |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |