CN109742536A - A kind of big frequency of WLAN/ millimeter wave is than three frequency ceramic antennas - Google Patents
A kind of big frequency of WLAN/ millimeter wave is than three frequency ceramic antennas Download PDFInfo
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- CN109742536A CN109742536A CN201910131777.4A CN201910131777A CN109742536A CN 109742536 A CN109742536 A CN 109742536A CN 201910131777 A CN201910131777 A CN 201910131777A CN 109742536 A CN109742536 A CN 109742536A
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- millimeter wave
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- 239000000919 ceramic Substances 0.000 title claims abstract description 34
- 230000005855 radiation Effects 0.000 claims abstract description 54
- 239000000758 substrate Substances 0.000 claims abstract description 44
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 239000000523 sample Substances 0.000 claims abstract description 9
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 4
- -1 first Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000010287 polarization Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses a kind of big frequencies of WLAN/ millimeter wave than three frequency ceramic antennas, first medium substrate and second medium substrate including being ceramic material, the upper surface of first medium substrate is respectively equipped with latticed radiation patch, meandering gap shape radiation patch and rectilinear slot shape radiation patch, meandering gap shape radiation patch and rectilinear slot shape radiation patch are distributed in a left side for latticed radiation patch, right both sides, second medium substrate is located at the lower section of first medium substrate, first, metal floor is provided between second medium substrate, the lower surface of second medium substrate is provided with two microstrip lines as feeding point, for being fed to meandering gap shape radiation patch and rectilinear slot shape radiation patch, a metal probe is equipped in latticed radiation patch as feeding point.The present invention has the characteristics that bandwidth, small in size, high-gain, feed structure are simple, can be applied in millimeter wave and microwave telecommunication system.
Description
Technical field
The present invention relates to the technical field of wireless mobile communications, a kind of big frequency of WLAN/ millimeter wave is referred in particular to than three frequencies
Ceramic antenna.
Background technique
Antenna is the primary element for forming wireless telecom equipment, and transmitting is played in entire wireless communication system and receives electricity
The effect of magnetic wave.It is converted mutually high-frequency current with electromagnetic wave, is turned between a kind of guided wave and free space wave
Parallel operation part is widely used in the various civil and military fields such as mobile communication, remote sensing, navigation, broadcast, radar, nature performance
Quality is most important for entire wireless system.
Double frequency or multifrequency antenna can effectively save the occupied sky of antenna under the premise of meeting multiplexing and making bandwidth requirements
Between, reduce the size of entire antenna system, while also conducive to integrated and cost the reduction of entire wireless system, thus in recent years
Carry out one of the hot spot of always antenna research field.The working frequency range multidigit of existing dual-band antenna in the microwave frequency band compared with low frequency,
However as the fast development of wireless communication technique and contemporary millimeter-wave technology, it is only capable of working in the dual-band antenna of low frequency band
It will be unable to meet the needs of following millimetre-wave attenuator.Therefore, it is simultaneously operable the double frequency or more with microwave and millimeter wave frequency band
The research of frequency antenna has been got more attention.
IEEE 802.11ad standard has gone through to support the wireless communication of following three wave band: 60,5.2 and 2.4GHz.Consider
To huge commercial opportunities brought by this new standard, chip designer, which has begun, to set about constructing three band radio electric equipments, with
Realize the switching between 60,5.2 and 2.4GHz network.It is expected that three Band Radio equipment soon by provide thousands of million it is wireless
Speed, to support numerous applications in low-power consumption and high-performance equipment, including consumption electronic product, PC, mobile phone and
Home network device.Obviously, three Band Radio equipment need tri-band antenna.
According to investigations with understanding, disclosed prior art is as follows:
2015, Bloomberg in the article for having delivered one entitled " design and research of multiband aerial " in Hownet,
A racemosus section printed monopole antenna of design.Wherein main minor matters mainly correspond to 2.5GHz frequency range, left side resonance minor matters master
5.5GHz resonance minor matters are corresponded to, right side resonance minor matters mainly correspond to 3.5GHz frequency range.
2017, Yi Liu, Xi Li, Lin Yang and Ying Liu was in " IEEE TRANSACTIONS ON
Entitled " the A Dual-Polarized Dual-Band of deliver on ANTENNAS AND PROPAGATION "
In the article of Antenna With Omni-Directional Radiation Patterns ", a kind of novel pair is proposed
Polarize two waveband omnidirectional antenna.The antenna is by one in eight circular patches slotted, eight short metal pins and one
Centre feed coaxial probe composition.Using TM01 mode, eight empty metal needles and fluting can radiate θ and φ ingredient respectively.Low
It can produce omnidirectional's circular polarization in frequency range.When basic TM02 mode is excited, omnidirectional can produce on higher wave band
Linear polarization.Omnidirectional's circular polarization field and omnidirectional's Linearly polarized field can be achieved at the two resonance frequencies.
Above-mentioned multifrequency antenna is only used for microwave band, can not work at the same time in microwave band and millimeter wave band, meet
Existing communication and following millimeter wave are the same as the demand believed.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology and deficiency, proposes a kind of big frequency of WLAN/ millimeter wave
Than three frequency ceramic antennas, have the characteristics that bandwidth, small in size, high-gain, feed structure are simple, can be applied to millimeter wave and
In microwave telecommunication system.
To achieve the above object, technical solution provided by the present invention are as follows: a kind of big frequency of WLAN/ millimeter wave is made pottery than three frequencies
Porcelain antenna, first medium substrate and second medium substrate including being ceramic material, the upper surface of the first medium substrate
It is respectively arranged with latticed radiation patch, meandering gap shape radiation patch and rectilinear slot shape radiation patch, the meandering gap
Shape radiation patch and rectilinear slot shape radiation patch are distributed in the left and right both sides of latticed radiation patch, the second medium base
Piece is located at the lower section of first medium substrate, and is provided with metal floor between first medium substrate and second medium substrate, institute
The lower surface for stating second medium substrate is provided with two microstrip lines as feeding point, for meandering gap shape radiation patch and directly
The slot-shaped radiation patch of line is fed, while being provided with a metal probe as feeding point in latticed radiation patch.
Further, the grid of the latticed radiation patch is made of 23 rectangles, which presses 3 one rows of rectangle
It is alternately arranged from top to bottom with 2 one rows of rectangle, is placed with 9 row's rectangle groups altogether.
Further, the long side length of all rectangles is identical, but bond length is then not exactly the same, from top to bottom the 1st, 2,8
Identical with the bond length of 9 rows, the 3rd is identical with the bond length of 7 rows, and the bond length of the row of the 4th, 5 and 6 is identical.
Further, the long side length of all rectangles is 2.36mm, and the bond length of the row of the 1st, 2,8 and 9 is from top to bottom
The bond length of the row of 1.52mm, the 3rd and 7 is 1.4mm, and the bond length of the row of the 4th, 5 and 6 is 1.36mm.
Further, the first medium substrate is made of four layers of ceramics, and the second medium substrate is made of one layer of ceramics.
Further, every layer it is ceramic with a thickness of 0.095mm.
Further, the metal probe connects after sequentially passing through first medium substrate, metal floor and second medium substrate
There is rectangular metal sheet.
Compared with prior art, the present invention have the following advantages that with the utility model has the advantages that
1, the present invention can satisfy in 52.51GHz~61.62GHz frequency bandwidth, | S11 |≤- 10dB, i.e. -10dB impedance
Bandwidth is 15.18%, and maximum gain is and 60GHz millimeters existing up to 15.84dBi in 57GHz~64GHz working frequency range
Wave grid array antenna is compared, and has higher bandwidth and higher gain.
2, the present invention free switching can use in 2.4,5.2 and 60GHz, tri- frequency ranges, can satisfy different electronics and set
Standby demand.
3, the present invention has the characteristics that high-gain, small in size, radiation efficiency is high, radiation characteristic is good, can be with circuit integration.
Detailed description of the invention
Fig. 1 is one of the perspective view of the big frequency of WLAN/ millimeter wave of the invention than three frequency ceramic antennas.
Fig. 2 be the big frequency of WLAN/ millimeter wave of the invention than three frequency ceramic antennas perspective view two.
Fig. 3 is the side view of the big frequency of WLAN/ millimeter wave of the invention than three frequency ceramic antennas.
Fig. 4 be the big frequency of WLAN/ millimeter wave of the invention than three frequency ceramic antennas grid array antenna | S11 | emulation
Result curve figure.
Fig. 5 is the grid array antenna gain curve graph of the big frequency of WLAN/ millimeter wave of the invention than three frequency ceramic antennas.
Fig. 6 be the big frequency of WLAN/ millimeter wave of the invention than three frequency ceramic antennas grid array antenna in 60GHz E
Surface radiation directional diagram.
Fig. 7 be the big frequency of WLAN/ millimeter wave of the invention than three frequency ceramic antennas grid array antenna in 60GHz H
Surface radiation directional diagram.
Fig. 8 be the big frequency of WLAN/ millimeter wave of the invention than three frequency ceramic antennas slot antenna | S11 | simulation result
Curve graph.
Fig. 9 be the big frequency of WLAN/ millimeter wave of the present invention than three frequency ceramic antennas meandering gap antenna in 2.43GHz
Xoz surface radiation directional diagram.
Figure 10 is the meandering gap antenna of the big frequency of WLAN/ millimeter wave of the invention than three frequency ceramic antennas in 2.43GHz
When yoz surface radiation directional diagram.
Figure 11 is the linear slot antenna of the big frequency of WLAN/ millimeter wave of the invention than three frequency ceramic antennas in 5.25GHz
When xoz surface radiation directional diagram.
Figure 12 is the linear slot antenna of the big frequency of WLAN/ millimeter wave of the invention than three frequency ceramic antennas in 5.25GHz
When yoz surface radiation directional diagram.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
As depicted in figs. 1 and 2, the big frequency of WLAN/ millimeter wave provided by the present embodiment is than three frequency ceramic antennas, including equal
For the first medium substrate 1 and second medium substrate 6 of ceramic material, the upper surface of the first medium substrate 1 is respectively arranged with
Latticed radiation patch 2, meandering gap shape radiation patch 4 and rectilinear slot shape radiation patch 3, the meandering gap shape radiation patch
Piece 4 and rectilinear slot shape radiation patch 3 are distributed in the left and right both sides of latticed radiation patch 2, the second medium substrate 6
In the lower section of first medium substrate 1, and metal floor 5, institute are provided between first medium substrate 1 and second medium substrate 6
The lower surface for stating second medium substrate 6 is provided with two microstrip lines 8,9 as feeding point, for rectilinear slot shape radiation patch
3 and meandering gap shape radiation patch 4 fed, while 7 conduct of metal probe is provided in latticed radiation patch 2
Feeding point, the metal probe 7 are connected with square after sequentially passing through first medium substrate 1, metal floor 5 and second medium substrate 6
Shape sheet metal.
The grid of latticed radiation patch 2 is made of 23 rectangles, which presses 3 one rows of rectangle and 2 squares
One row of shape is alternately arranged from top to bottom, is placed with 9 row's rectangle groups altogether, and the long side length of all rectangles is 2.36mm, but short side
Length is then not exactly the same, and the bond length of the row of the 1st, 2,8 and 9 is that the bond length of the row of 1.52mm, the 3rd and 7 is from top to bottom
1.4mm, the bond length of the row of the 4th, 5 and 6 are 1.36mm.
As shown in figure 3, first medium substrate 1 is stacked by four layers of ceramics, second medium substrate 6 is by one layer of ceramic group
At thickness h 0.095mm, total dielectric substrate thickness H are 0.475mm.
Each dimensional parameters of the antenna of the present embodiment are all optimized, 60G grid antenna reflection coefficient such as Fig. 4 institute
Show, from the figure, it can be seen that in 52.51GHz~61.62GHz frequency bandwidth, | S11 |≤- 10dB, i.e. -10dB impedance bandwidth
It is 15.18%；The gain of antenna is as shown in figure 5, maximum gain is reachable in 52.51GHz~61.62GHz working frequency range
15.84dBi。
The reflection coefficient of two slot antennas of the present embodiment is as shown in figure 8, low-frequency range impedance bandwidth is 60MHz (2.39
~2.45GHz), high band impedance bandwidth is 230MHz (5.12~5.35GHz).
E face of the HFSS model that the big frequency of WLAN/ millimeter wave of the present embodiment is emulated than three frequency ceramic antennas in 60GHz
Antenna pattern as shown in fig. 6, H surface radiation directional diagram in 60GHz as shown in fig. 7, xoz surface radiation in 2.43GHz
Directional diagram is as shown in figure 9, the yoz surface radiation directional diagram in 2.43GHz is as shown in Figure 10, the xoz surface radiation in 5.25GHz
Directional diagram is as shown in figure 11, and the yoz surface radiation directional diagram in 5.25GHz is as shown in figure 12.
In above-described embodiment, medium substrate dielectric constant 5.74, loss tangent 0.0023；Radiation patch, metal floor
Can be any one of aluminium, iron, tin, copper, silver, gold and platinum with the metal material of metal probe, or for aluminium, iron, tin, copper, silver,
Gold and platinum any one alloy.
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 (7)
1. a kind of big frequency of WLAN/ millimeter wave is than three frequency ceramic antennas, it is characterised in that: first including being ceramic material is situated between
Matter substrate and second medium substrate, the upper surface of the first medium substrate are respectively arranged with latticed radiation patch, tortuous seam
Gap shape radiation patch and rectilinear slot shape radiation patch, the meandering gap shape radiation patch and rectilinear slot shape radiation patch point
The left and right both sides of latticed radiation patch are distributed in, the second medium substrate is located at the lower section of first medium substrate, and first
Be provided with metal floor between dielectric substrate and second medium substrate, the lower surface of the second medium substrate be provided with two it is micro-
Band line is as feeding point, for feeding to meandering gap shape radiation patch and rectilinear slot shape radiation patch, while in net
A metal probe is provided in trellis radiation patch as feeding point.
2. a kind of big frequency of WLAN/ millimeter wave according to claim 1 is than three frequency ceramic antennas, it is characterised in that: described
The grid of latticed radiation patch is made of 23 rectangles, 23 rectangles by 3 one rows of rectangle and 2 one rows of rectangle on to
Under be alternately arranged, be placed with 9 row's rectangle groups altogether.
3. a kind of big frequency of WLAN/ millimeter wave according to claim 2 is than three frequency ceramic antennas, it is characterised in that: all
The long side length of rectangle is identical, but bond length is then not exactly the same, and the bond length of the row of the 1st, 2,8 and 9 is identical from top to bottom,
3rd is identical with the bond length of 7 rows, and the bond length of the row of the 4th, 5 and 6 is identical.
4. a kind of big frequency of WLAN/ millimeter wave according to claim 3 is than three frequency ceramic antennas, it is characterised in that: all
The long side length of rectangle is 2.36mm, and the bond length of the row of the 1st, 2,8 and 9 is the short of the row of 1.52mm, the 3rd and 7 from top to bottom
Edge lengths are 1.4mm, and the bond length of the row of the 4th, 5 and 6 is 1.36mm.
5. a kind of big frequency of WLAN/ millimeter wave according to claim 1 is than three frequency ceramic antennas, it is characterised in that: described
First medium substrate is made of four layers of ceramics, and the second medium substrate is made of one layer of ceramics.
6. a kind of big frequency of WLAN/ millimeter wave according to claim 5 is than three frequency ceramic antennas, it is characterised in that: every layer
Ceramics with a thickness of 0.095mm.
7. a kind of big frequency of WLAN/ millimeter wave according to claim 1 is than three frequency ceramic antennas, it is characterised in that: described
Metal probe is connected with rectangular metal sheet after sequentially passing through first medium substrate, metal floor and second medium substrate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910131777.4A CN109742536B (en) | 2019-02-22 | 2019-02-22 | WLAN/millimeter wave high-frequency-ratio three-frequency ceramic antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910131777.4A CN109742536B (en) | 2019-02-22 | 2019-02-22 | WLAN/millimeter wave high-frequency-ratio three-frequency ceramic antenna |
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| Publication Number | Publication Date |
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| CN109742536A true CN109742536A (en) | 2019-05-10 |
| CN109742536B CN109742536B (en) | 2023-11-17 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247180A (en) * | 2019-06-24 | 2019-09-17 | 华南理工大学 | The big frequency of compact covering sub-6G and 60GHz a kind of compares dual-band antenna |
| CN110459862A (en) * | 2019-08-23 | 2019-11-15 | 深圳大学 | A kind of millimeter wave grid array antenna based on slot radiation |
| CN110707425A (en) * | 2019-10-28 | 2020-01-17 | 华南理工大学 | Large-frequency-ratio cavity-backed antenna based on SIW |
| CN112768911A (en) * | 2020-12-29 | 2021-05-07 | 中山大学 | Rectangular patch array staggered super-surface antenna |
| CN113497349A (en) * | 2020-03-18 | 2021-10-12 | 富华科精密工业（深圳）有限公司 | Antenna array and electronic equipment with same |
| CN113725601A (en) * | 2021-09-06 | 2021-11-30 | 华中科技大学温州先进制造技术研究院 | Multi-view-field array antenna for millimeter wave automobile radar |
| CN114336019A (en) * | 2021-12-15 | 2022-04-12 | 华南理工大学 | 5G large-frequency-ratio beam scanning antenna with co-radiator |
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| CN102292873A (en) * | 2008-12-12 | 2011-12-21 | 南洋理工大学 | Grid array antennas and an integration structure |
| CN106129600A (en) * | 2016-08-26 | 2016-11-16 | 华南理工大学 | A kind of high-gain millimeter wave grid array antenna |
| CN108736153A (en) * | 2018-04-26 | 2018-11-02 | 西安电子科技大学 | A kind of three frequency low section paster antennas |
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2019
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102292873A (en) * | 2008-12-12 | 2011-12-21 | 南洋理工大学 | Grid array antennas and an integration structure |
| CN106129600A (en) * | 2016-08-26 | 2016-11-16 | 华南理工大学 | A kind of high-gain millimeter wave grid array antenna |
| CN108736153A (en) * | 2018-04-26 | 2018-11-02 | 西安电子科技大学 | A kind of three frequency low section paster antennas |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247180A (en) * | 2019-06-24 | 2019-09-17 | 华南理工大学 | The big frequency of compact covering sub-6G and 60GHz a kind of compares dual-band antenna |
| CN110247180B (en) * | 2019-06-24 | 2024-02-06 | 华南理工大学 | Compact type large-frequency-ratio dual-frequency antenna covering sub-6G and 60GHz |
| 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 |
| CN110707425A (en) * | 2019-10-28 | 2020-01-17 | 华南理工大学 | Large-frequency-ratio cavity-backed antenna based on SIW |
| CN110707425B (en) * | 2019-10-28 | 2024-04-09 | 华南理工大学 | SIW-based large-frequency-ratio back cavity antenna |
| CN113497349A (en) * | 2020-03-18 | 2021-10-12 | 富华科精密工业（深圳）有限公司 | Antenna array and electronic equipment with same |
| CN112768911A (en) * | 2020-12-29 | 2021-05-07 | 中山大学 | Rectangular patch array staggered super-surface antenna |
| CN113725601A (en) * | 2021-09-06 | 2021-11-30 | 华中科技大学温州先进制造技术研究院 | Multi-view-field array antenna for millimeter wave automobile radar |
| CN113725601B (en) * | 2021-09-06 | 2024-03-29 | 华中科技大学温州先进制造技术研究院 | Multi-view-field array antenna for millimeter wave automobile radar |
| CN114336019A (en) * | 2021-12-15 | 2022-04-12 | 华南理工大学 | 5G large-frequency-ratio beam scanning antenna with co-radiator |
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|---|---|
| CN109742536B (en) | 2023-11-17 |
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