CN109088163A - High gain slot array antenna and mobile communication equipment - Google Patents
High gain slot array antenna and mobile communication equipment Download PDFInfo
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- CN109088163A CN109088163A CN201810946062.XA CN201810946062A CN109088163A CN 109088163 A CN109088163 A CN 109088163A CN 201810946062 A CN201810946062 A CN 201810946062A CN 109088163 A CN109088163 A CN 109088163A
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- 238000010295 mobile communication Methods 0.000 title claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 44
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 13
- 230000002401 inhibitory effect Effects 0.000 description 8
- 238000004088 simulation Methods 0.000 description 8
- 238000003491 array Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000010354 integration Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000005764 inhibitory process Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000010010 raising Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0075—Stripline fed arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/065—Patch antenna array
Abstract
The invention discloses a kind of high gain slot array antenna and mobile communication equipments, the high gain slot array antenna includes medium substrate, patch, microstrip feed line, several first through hole, eight the second through-holes and two third through-holes, the upper surface of medium substrate is arranged in the patch and microstrip feed line, radiating slot there are six being opened on the patch, the microstrip feed line is connected with patch, several described first through hole, eight the second through-holes and two third through-holes pass through patch and medium substrate, several first through hole are uniformly distributed on the inside of each edge of patch, form rectangular configuration, eight the second through-holes and two third through-holes are located inside the rectangular configuration of first through hole formation；The mobile communication equipment includes above-mentioned high gain slot array antenna.Inventive antenna has the characteristics that simple structure, low section structure, gain are higher, and can inhibit to interfere film.
Description
Technical field
The present invention relates to a kind of slot array antenna, especially a kind of high gain slot array antenna and mobile communication are set
It is standby, belong to mobile communication antenna technical field.
Background technique
Substrate integration wave-guide (Substrate Integrated Waveguide, SIW) is a kind of new microwave transmission line.
Because it inherits the characteristic of metal waveguide low-loss, high power capacity, and heavy, not easy to be processed without metal waveguide structure lack
Point；The advantages of existing microstrip line is easy to Planar integration, and the disadvantage big without microstrip line high frequency radiation；Easy to process, price is low
It is honest and clean, therefore be widely used in microwave and millimeter wave circuit.
For antenna as a link particularly important in radio frequency system, gain is that a key of influence its performance quality refers to
Mark, how to improve antenna gain in the case where limited antenna volume is with complexity is that field of antenna staff is urgently to be resolved
The problem of.And based on the antenna of SIW because it has the antenna gain that the characteristics such as Low emissivity loss, high power capacity make the type
It is higher.
In addition, meeting required design requirement performance commonly using higher mode in the design of SIW slot array antenna
Deng, however the use of higher mode often brings another problem: that is exactly the out-of-band interference especially severe of higher mode.Although it
The design of line is not high to the index request outside band, but the excessively close even conjunction that adjacent interference film and used higher mode are leaned on sometimes
And band internal characteristic can be then seriously affected, antenna overall performance is reduced, just needs that interference film is inhibited or eliminated at this time, reduces
Its interference to antenna system.
Summary of the invention
Present invention aim to address in place of above-mentioned the deficiencies in the prior art, a kind of high gain slot array day is provided
Line, which has the characteristics that simple structure, low section structure, gain are higher, and can inhibit to interfere film.
Another object of the present invention is to provide a kind of mobile communication equipments.
The purpose of the present invention can be reached by adopting the following technical scheme that:
High gain slot array antenna, including medium substrate, patch, microstrip feed line and several first through hole, the patch
The upper surface of medium substrate is arranged in piece and microstrip feed line, is opened on the patch there are six radiating slot, the microstrip feed line with
Patch is connected, several described first through hole pass through patch and medium substrate, and are uniformly distributed on the inside of each edge of patch,
Form rectangular configuration.
Further, six radiating slots are two long side left and right settings, two short from the surface of patch
Side rectangular configuration setting up and down.
Further, the patch is from the upper surface of medium substrate, is that two long sides are setting up and down, two short side left sides
The rectangular configuration of right setting；
Six radiating slots are divided into two rows from the surface of patch, and two rows of radiating slots is three,
The radiating slot of upper row and the radiating slot of lower row are symmetrical about the width direction middle line of patch.
Further, in the radiating slot of every row, the radiating slot width on both sides is greater than intermediate radiating slot width.
Further, the antenna further includes eight the second through-holes and two third through-holes, eight second through-holes and
Two third through-holes pass through patch and medium substrate, and are located inside the rectangular configuration that first through hole is formed；
In eight second through-holes, the second through-hole of every two is distributed in wherein one side radiating slot of every row's radiating slot
The left and right sides；
Described two third through-holes are located on the width direction midline position of patch, and the length direction middle line about patch
Symmetrically.
Further, the patch has one in the connecting place two sides with microstrip feed line and matches gap.
Further, the lower surface of the medium substrate is floor.
Further, the medium substrate with a thickness of 0.6mm~1mm.
Further, the dielectric constant of the medium substrate is 2.55, dielectric loss angle 0.0029.
The purpose of the present invention can be reached by adopting the following technical scheme that:
Mobile communication equipment, including above-mentioned high gain slot array antenna.
The present invention have compared with the existing technology it is following the utility model has the advantages that
1, the medium substrate of slot array antenna of the invention is equipped with patch, and six radiating slots are outputed on patch,
Six radiating slots constitute six gap arrays, have higher gain compared to double slit gap or four slot array antennas, without logical
The mode of multiple antenna element composition arrays is crossed to reach identical gain effect, to simplify array structure, and due to adopting
With one layer of medium substrate, it is cheap, functional to be easy to Planar integration, simple process.
2, six radiating slots are divided into two rows by slot array antenna of the invention, and two rows of radiating slots is three,
The both sides radiating slot of every row's radiating slot is loaded with eight through-holes altogether, can play the work for inhibiting interference film on the right of mode used
With, moreover it is possible to adjust impedance matching；Two through-holes are loaded on the width direction midline position of patch simultaneously, can play and inhibit institute
With the effect of mode left side interference film, certain effect also is played to impedance matching；And this ten of load are for inhibiting dry
The through-hole for disturbing film will not generate adverse effect to radiation mode used, therefore can solve using higher mode by with outer noise jamming
Serious problem, further improves antenna performance.
Detailed description of the invention
Fig. 1 is the medium substrate upper surface schematic diagram of the slot array antenna of the embodiment of the present invention 1.
Fig. 2 is the medium substrate lower surface schematic diagram of the slot array antenna of the embodiment of the present invention 1.
Fig. 3 is that the slot array antenna of the embodiment of the present invention 1 does not load the return loss electricity of the second through-hole and third through-hole
Magnetic simulation curve figure.
Fig. 4 is that the slot array antenna of the embodiment of the present invention 1 loads the return loss Electromagnetic Simulation curve graph of third through-hole.
Fig. 5 is that the slot array antenna of the embodiment of the present invention 1 loads the return loss electromagnetism of the second through-hole and third through-hole
Simulation curve figure.
Fig. 6 is the medium substrate upper surface schematic diagram of four slot array antennas for comparison.
Fig. 7 is the return loss Electromagnetic Simulation curve of four slot array antennas for comparison.
Fig. 8 is directional diagram of the slot array antenna in frequency center point of the embodiment of the present invention 1.
Fig. 9 be for comparison four slot array antennas frequency center point directional diagram.
Wherein, 1- medium substrate, 2- patch, 3- microstrip feed line, 4- first through hole, the floor 5-, the first radiating slot of 6-, 7-
Second radiating slot, 8- third radiating slot, the 4th radiating slot of 9-, the 5th radiating slot of 10-, the 6th radiating slot of 11-,
12- first matches gap, and 13- second matches gap, the second through-hole of 14-, 15- third through-hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
Embodiment 1:
As depicted in figs. 1 and 2, a kind of high gain slot array antenna is present embodiments provided, which is
Substrate integration wave-guide (SIW) slot array antenna, can be applied in mobile communication equipment comprising medium substrate 1, patch 2,
The upper surface (front) of medium substrate 1, medium is arranged in microstrip feed line 3 and several first through hole 4, patch 2 and microstrip feed line 3
The lower surface (back side) of substrate 1 is floor 5, i.e. floor 5 covers entire 1 lower surface of medium substrate.
The cross sectional shape of the medium substrate 1 is rectangle, with a thickness of 0.8mm, dielectric constant 2.55, dielectric loss angle
It is 0.0029, due to there was only one layer of medium substrate 1, it is cheap, functional is easy to Planar integration, simple process.
The patch 2 is that two long sides are setting up and down, two short side left and right settings from the upper surface of medium substrate 1
Rectangular configuration, open that there are six radiating slots on patch 2, six radiating slots are two long sides from the surface of patch 2
Left and right settings, two short sides rectangular configuration (can be considered and be vertically oriented to) setting up and down, six radiating slots are respectively the first spoke
Penetrate gap 6, the second radiating slot 7, third radiating slot 8, the 4th radiating slot 9, the 5th radiating slot 10 and the 6th radiating slot
Gap 11, the first radiating slot 6, the second radiating slot 7, third radiating slot 8, the 4th radiating slot 9,10 and of the 5th radiating slot
6th radiating slot 11 constitutes six gap arrays, and six gap arrays have higher increasing compared to double slit gap or four slot array antennas
Benefit is arranged in composition wherein the first radiating slot 6, the second radiating slot 7 and third radiating slot 8 are set gradually from left to right
Radiating slot, the first radiating slot 6 and third radiating slot 8 are the radiating slot on both sides, and the second radiating slot 7 is intermediate spoke
Gap is penetrated, the 4th radiating slot 9, the 5th radiating slot 10 and the 6th radiating slot 11 are set gradually from left to right, and constitute lower row
Radiating slot, the 4th radiating slot 9 and the 6th radiating slot 11 are the radiating slot on both sides, and the 5th radiating slot 10 is centre
Radiating slot, the radiating slot of upper row and the radiating slot of lower row are symmetrical about the width direction middle line of patch 2, it can be seen that
The arrangement mode of six gap arrays is 2*3 (vertical * is horizontal).
Further, the first radiating slot 6 and third radiating slot 8 are symmetrical about the second radiating slot 7, the 4th radiating slot
Gap 9 and the 6th radiating slot 11 are symmetrical about the 5th radiating slot 10, the width of the second radiating slot 7 and the 5th radiating slot 10
It is identical, the first radiating slot 6, third radiating slot 8, the 4th radiating slot 9 and the 6th radiating slot 11 it is of same size and big
In the width of the second radiating slot 7 and the 5th radiating slot 10.
The microstrip feed line 3 is from the upper surface of medium substrate, to divide on two long side left and right settings, two short sides
The rectangular configuration (can be considered and be vertically oriented to) set, the impedance of microstrip feed line 3 are 50 Ω, are connected with patch 2, specifically with patch 2
Top edge be connected, the feeding classification of microstrip feed line 3 is that side is fed, for six radiating slots of excitation；Preferably, patch 2
The first matching gap 12 and second, which is had, at left and right sides of the connecting place of top edge and microstrip feed line 3 matches gap 13, it can be with
Adjust impedance matching.
Several described first through hole 4 pass through patch 2 and medium substrate 1, are connected with the floor 5 of 1 lower surface of medium substrate,
And be uniformly distributed on the inside of each edge of patch 2, form rectangular configuration, that is to say, that several first through hole 4 define one
Circle, it will be understood that in addition to the connecting place of patch 2 top edge and microstrip feed line 3, remaining position on the inside of each edge be distributed
First through hole 4, several first through hole 4 make patch 2 be equivalent to waveguiding structure for preventing electromagnetic energy from radiating；Further,
Have between two neighboring first through hole 2 it is at regular intervals, the spacing by optimization, it is ensured that antenna performance preferably and electromagnetic energy
Amount does not leak.
In order to inhibit the effect for interfering film on the mode left side and the right used, the slot array antenna of the present embodiment further includes
Eight the second through-holes 14 and two third through-holes 15, eight the second through-holes 14 and two third through-holes 15 pass through patch 2 and medium
Substrate 1, and be located inside the rectangular configuration that first through hole 4 is formed.
Further, in eight the second through-holes 14, upper left side, upper right side, lower left and lower right are respectively distributed two second
Through-hole 14, upper left two the second through-holes 14 are distributed in the left and right sides of the first radiating slot 6, and two second of upper right side are logical
Hole 14 is distributed in the left and right sides of third radiating slot 8, and two the second through-holes 14 of lower left are distributed in the 4th radiating slot 9
The left and right sides, two the second through-holes 14 of lower right are distributed in the left and right sides of the 6th radiating slot 11, the third of the present embodiment
Radiating slot 8 deviates third radiation due to the second through-hole 14 close to the second matching gap 13,8 left side of third radiating slot
The symmetrical position of second through-hole 14 on 8 right side of gap, two the second through-holes 14 of 6 left and right sides of the first radiating slot are about first
Radiating slot 6 is symmetrical, and two the second through-holes 14 of 9 left and right sides of the 4th radiating slot are symmetrical about the 4th radiating slot 9, and the 6th
Two the second through-holes 14 of 11 left and right sides of radiating slot are symmetrical about the 6th radiating slot 11, and the second through-hole is arranged in this way
14, it can play the role of inhibiting the interference film on the right of mode used, while being also adjustable impedance matching.
Further, two third through-holes 15 are located on the width direction midline position of patch 2, two third through-holes 15 1
The right placement of the first from left, and the length direction middle line about patch 2 is symmetrical, and third through-hole 15 is arranged in this way, can play inhibition
The effect of interference film in the mode left side used, also plays certain effect to impedance matching.
In above-described embodiment, the patch 1, floor 5, the hole wall of first through hole 4, the hole wall of the second through-hole 14, third are logical
The hole wall in hole 15 is all made of metal material and is made, it is preferred to use copper metal material；The mobile communication equipment can be mobile phone, put down
The electronic equipments such as plate computer.
Fig. 3, Fig. 4 and Fig. 5 are respectively that the slot array antenna of the present embodiment does not load time of the second through-hole and third through-hole
The return loss Electromagnetic Simulation curve graph and the second through-hole of load and that wave is lost Electromagnetic Simulation curve graph, loads third through-hole
The return loss Electromagnetic Simulation curve graph of three through-holes, slot array antenna do not load the second through-hole and third through-hole, that is, are not implemented
The effect for inhibiting interference film, it can be seen in figure 3 that resonant mode (f used in script0) the left side interference film resonance it is stronger, and
After loading two third through-holes, it can be seen from figure 4 that the interference film on the left side has obtained preferable inhibition, resonant intensity is bright
It is aobvious to weaken, but f0The interference film on the right is slightly moved closer to, and after loading two third through-holes and eight the second through-holes, from Fig. 5
In it can be seen that, not only the interference film on the left side has obtained preferable inhibition, but also the interference film on the right is inhibited and f0It is humorous
Vibration depth significantly improves, and realizes the effective inhibition for inhibiting interference mould in mode of resonance both sides used.
Fig. 6 is the medium substrate upper surface schematic diagram of four slot array antennas for comparison, and Fig. 7 is for comparison
The return loss Electromagnetic Simulation curve of four slot array antennas, it can be seen that the resonance central point and sheet of four slot array antennas
The slot array antenna configuration of embodiment is identical, is 5.97GHz；And by the slot array antenna direction of the present embodiment of Fig. 8
Figure is compared with the four gap array aerial direction figures of Fig. 9 it is found that the radiation effect of two kinds of antennas is not much different, and four gap arrays
The gain at the main lobe direction center of antenna is 11.2dbi, and the increasing at the main lobe direction center of the slot array antenna of the present embodiment
Benefit is 12.6dbi, compare under have the raisings of 1.4 db gains.
By above description it is recognised that the slot array antenna of the present embodiment not only compares four slot array antennas improves
Gain has better performance, and the side effect to using higher mode to generate, i.e., serious noise jamming have preferable suppression
Effect processed has certain guidance effect to the Out-of-band rejection of higher mode antenna.
Embodiment 2:
The present embodiment is mainly characterized by: the medium substrate 1 with a thickness of 0.6mm.Remaining is the same as embodiment 1.
Embodiment 3:
The present embodiment is mainly characterized by: the medium substrate 1 with a thickness of 1mm.Remaining is the same as embodiment 1.
In conclusion the medium substrate of slot array antenna of the invention is equipped with patch, six spokes are outputed on patch
Gap is penetrated, six radiating slots constitute six gap arrays, there is higher gain compared to double slit gap or four slot array antennas, and
Reach identical gain effect without going through the mode of mutiple antennas unit composition array, so that array structure is simplified, and
Due to using one layer of medium substrate, it is cheap, functional to be easy to Planar integration, simple process；In addition, gap array of the invention
Six radiating slots are divided into two rows by antenna, and two rows of radiating slots is three, the both sides radiating slot of every row's radiating slot
It is loaded with eight through-holes altogether, can play the role of inhibiting interfering film on the right of mode used, moreover it is possible to adjust impedance matching；Exist simultaneously
Two through-holes are loaded on the width direction midline position of patch, can play the role of inhibiting interference film in the mode left side used,
Certain effect is played to impedance matching；And this ten of load interfere the through-hole of film will not be to radiation mode used for inhibiting
Formula generates adverse effect, therefore can solve using higher mode by the problem serious with outer noise jamming, further improves day
Linear energy.
The above, only the invention patent preferred embodiment, but the scope of protection of the patent of the present invention is not limited to
This, anyone skilled in the art is in the range disclosed in the invention patent, according to the present invention the skill of patent
Art scheme and its inventive concept are subject to equivalent substitution or change, belong to the scope of protection of the patent of the present invention.
Claims (10)
1. high gain slot array antenna, it is characterised in that: including medium substrate, patch, microstrip feed line and several are first logical
The upper surface of medium substrate is arranged in hole, the patch and microstrip feed line, is opened on the patch there are six radiating slot, described micro-
Ribbon feeder is connected with patch, several described first through hole pass through patch and medium substrate, and on the inside of each edge of patch
It is uniformly distributed, forms rectangular configuration.
2. high gain slot array antenna according to claim 1, it is characterised in that: six radiating slots are from patch
Surface on see, be two long side left and right settings, two short sides rectangular configuration setting up and down.
3. high gain slot array antenna according to claim 1, it is characterised in that: the patch is from the upper of medium substrate
It is seen on surface, is that two long sides are setting up and down, rectangular configuration of two short side left and right settings；
Six radiating slots are divided into two rows from the surface of patch, and two rows of radiating slots is three, upper row
Radiating slot and lower row radiating slot it is symmetrical about the width direction middle line of patch.
4. high gain slot array antenna according to claim 3, it is characterised in that: in the radiating slot of every row, both sides
Radiating slot width be greater than intermediate radiating slot width.
5. high gain slot array antenna according to claim 3, it is characterised in that: the antenna further includes eight second
Through-hole and two third through-holes, eight second through-holes and two third through-holes pass through patch and medium substrate, and are located at the
Inside the rectangular configuration that one through-hole is formed；
In eight second through-holes, the second through-hole of every two is distributed in a left side for wherein one side radiating slot of every row's radiating slot
Right two sides；
Described two third through-holes are located on the width direction midline position of patch, and the length direction middle line pair about patch
Claim.
6. high gain slot array antenna according to claim 1-5, it is characterised in that: the patch with it is micro-
The connecting place two sides of ribbon feeder have a matching gap.
7. high gain slot array antenna according to claim 1-5, it is characterised in that: the medium substrate
Lower surface is floor.
8. high gain slot array antenna according to claim 1-5, it is characterised in that: the medium substrate
With a thickness of 0.6mm~1mm.
9. high gain slot array antenna according to claim 1-5, it is characterised in that: the medium substrate
Dielectric constant is 2.55, dielectric loss angle 0.0029.
10. mobile communication equipment, it is characterised in that: including the described in any item high gain slot array antennas of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810946062.XA CN109088163B (en) | 2018-08-20 | 2018-08-20 | High gain slot array antenna and mobile communication device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810946062.XA CN109088163B (en) | 2018-08-20 | 2018-08-20 | High gain slot array antenna and mobile communication device |
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| CN109088163A true CN109088163A (en) | 2018-12-25 |
| CN109088163B CN109088163B (en) | 2024-05-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111478025A (en) * | 2020-04-20 | 2020-07-31 | 南通大学 | Broadband beam scanning patch antenna |
| CN111755832A (en) * | 2019-03-29 | 2020-10-09 | 通用汽车环球科技运作有限责任公司 | Integrated cavity-backed slot array antenna system |
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| CN208723089U (en) * | 2018-08-20 | 2019-04-09 | 华南理工大学 | High gain slot array antenna and mobile communication equipment |
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| CN208723089U (en) * | 2018-08-20 | 2019-04-09 | 华南理工大学 | High gain slot array antenna and mobile communication equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111755832A (en) * | 2019-03-29 | 2020-10-09 | 通用汽车环球科技运作有限责任公司 | Integrated cavity-backed slot array antenna system |
| US11515624B2 (en) | 2019-03-29 | 2022-11-29 | GM Global Technology Operations LLC | Integrated cavity backed slot array antenna system |
| CN111755832B (en) * | 2019-03-29 | 2023-08-04 | 通用汽车环球科技运作有限责任公司 | Integrated back cavity slot array antenna system |
| CN111478025A (en) * | 2020-04-20 | 2020-07-31 | 南通大学 | Broadband beam scanning patch antenna |
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| CN109088163B (en) | 2024-05-03 |
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