CN109066065A - A kind of low section LTCC millimeter wave dual polarized antenna - Google Patents
A kind of low section LTCC millimeter wave dual polarized antenna Download PDFInfo
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- 241000194386 Coelosis Species 0.000 claims description 42
- 239000002184 metal Substances 0.000 claims description 37
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- 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
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- 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
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- 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
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- 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
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Abstract
本发明公开一种低剖面LTCC毫米波双极化天线，包括：基片集成腔下表面设置十字交叉的第一缝隙和第二缝隙；上层波导的下表面设置第三缝隙；过渡结构下表面设置第四缝隙；由第一端口输入的电磁波在上层基片集成波导传输，通过第一缝隙耦合进入基片集成腔，并产生第一方向极化；由第二端口输入的电磁波通过下层波导传输，通过第四、第三缝隙耦合进入上层波导，通过第二缝隙耦合进入基片集成腔，并产生第二方向极化；当天线接收第一方向电磁波时，电磁能量通过第一缝隙进入上层波导；当天线接收第二方向电磁波时，电磁能量通过第二缝隙进入上层基片集成波导，并且通过第三、第四缝隙耦合进入下层波导。本发明实现双极天线的高增益、宽频带和高隔离度。
The invention discloses a low-profile LTCC millimeter-wave dual-polarization antenna, which comprises: a first slit and a second slit that intersect each other are arranged on the lower surface of a substrate integrated cavity; a third slit is arranged on the lower surface of an upper waveguide; and the lower surface of a transition structure is arranged The fourth slot: the electromagnetic wave input from the first port is transmitted in the upper substrate integrated waveguide, coupled into the substrate integrated cavity through the first slot, and polarized in the first direction; the electromagnetic wave input from the second port is transmitted through the lower waveguide, Coupling into the upper layer waveguide through the fourth and third slots, coupling into the substrate integrated cavity through the second slot, and generating polarization in the second direction; when the antenna receives electromagnetic waves in the first direction, electromagnetic energy enters the upper layer waveguide through the first slot; When the antenna receives the electromagnetic wave in the second direction, the electromagnetic energy enters the upper substrate integrated waveguide through the second slot, and is coupled into the lower waveguide through the third and fourth slots. The invention realizes high gain, wide frequency band and high isolation of dipole antenna.
Description
Technical field
The present invention relates to millimeter wave antenna technical fields, more particularly, to a kind of low section low-temperature co-fired ceramics (Low
Temperature Co-fired Ceramic, LTCC) millimeter wave dual polarized antenna.
Background technique
With the continuous development of wireless telecommunications, microwave and frequency spectrum resource growing tension below, to solve this problem, people
Gradually sight is shifted to millimeter wave frequency band.Compared to microwave frequency band, millimeter wave has bandwidth, and wave beam is narrow, transmission speed
The advantages that rate is fast, and detectivity is strong, strong antijamming capability, and penetrability is good.This makes millimeter-wave systems in high speed data transfer, sky
Between communicate, the fields such as precise guidance and high-resolution imaging radar have a wide range of applications.Millimeter wave antenna is as millimeter wave system
Critical component in system, the quality of performance determine the performance of entire millimeter-wave systems to a certain extent.Due to millimeter wave
Biggish decaying is had when propagating in an atmosphere, while in order to meet the needs of millimeter-wave systems miniaturization, generally requiring millimeter
Wave antenna has the characteristics that high-gain, small size, light weight.
Dual polarized antenna can receive simultaneously or emit two orthogonal signals of polarization mode as its name suggests, and
It does not interfere with each other.Dual polarized antenna can dynamically change the polarization mode of its work according to the demand of system practical application, thus
Polarity diversity is provided to anti-multipath fading and increase channel capacity.Since it is with this huge advantage of polarization diversity,
Communication and field of radar are using relatively broad.
Existing dual polarized antenna form is mainly microstrip antenna, but when reach millimeter wave frequency band, microstrip line it is huge
Loss will be greatly reduced the efficiency of antenna, it is difficult to is widely applied.Therefore, one kind can be developed and has both dual polarization, wideband
The dual polarized antenna of band, high-isolation and low section is most important in millimeter wave communication system.
Summary of the invention
In view of the drawbacks of the prior art, micro- it is an object of the invention to solve existing dual polarized antenna in millimeter wave frequency band
Huge loss with line will be greatly reduced the efficiency of antenna, it is difficult to is widely applied, can not have both broadband, high-isolation
The technical issues of with low section advantage.
To achieve the above object, the present invention is based on the distinctive multilayer planar techniques of LTCC, by using substrate collection coelosis spoke
Structure is penetrated, is radiated using the higher mode of cavity, while cavity body structure can inhibit substrate surface wave, improves the radiation of antenna
Efficiency realizes the high-gain of antenna；By separation patch resonant mode and cavity resonant mode, antenna operating band exhibition is realized
It is wide；Using feeding substrate integrated waveguide structure and unique input and output coupled structure, increase the isolation of two polarization ports.
The present invention provides a kind of low section LTCC millimeter wave dual polarized antenna, comprising: the substrate being successively distributed from top to bottom
Collect coelosis, upper substrate integrated waveguide, intermediate configuration and underlying basal integrated waveguide；
The substrate collection coelosis lower surface is provided with right-angled intersection gap, the right-angled intersection gap include the first gap and
Second gap, shown first gap along first direction, second gap in a second direction, the first direction and second direction
Vertically；The lower surface of the upper substrate integrated waveguide is provided with third gap, and the third gap is in a second direction；In described
Between the lower surface of transition structure be provided with the 4th gap, the 4th gap in a second direction, second gap, third gap
And the 4th gap upright position it is corresponding；The side of the upper substrate integrated waveguide is provided with first port, the lower layer
The side of substrate integration wave-guide is provided with second port；
It is transmitted by the electromagnetic wave of first port input in upper substrate integrated waveguide, substrate is entered by the first slot-coupled
Collect coelosis, generates first direction polarized radiation；It is transmitted, is led to by underlying basal integrated waveguide by the electromagnetic wave that second port inputs
It crosses the 4th gap and is coupled into intermediate configuration, upper substrate integrated waveguide is entered by third slot-coupled, passes through second
Slot-coupled enters substrate collection coelosis, generates second direction polarization；
When the polarized electromagnetic wave of antenna reception first direction, substrate integrates the electric field that first direction is generated in cavity, electricity
Magnetic energy enters upper substrate integrated waveguide by the first gap；When the polarized electromagnetic wave of antenna reception second direction, substrate
The electric field of second direction is generated in integrated cavity, electromagnetic energy enters upper substrate integrated waveguide by the second gap, and leads to
It crosses third slot-coupled and enters intermediate configuration, then underlying basal integrated waveguide is coupled by the 4th gap.
Wherein, the structure that upper substrate integrated waveguide, intermediate configuration and underlying basal integrated waveguide can be constituted
Referred to as dual polarization feeding network.
Specifically, major radiator of the substrate collection coelosis as antenna makes the electromagnetic wave inputted by dual polarization feeding network
Resonance is generated in the cavity, and by bore towards external radiation；Or electromagnetic wave is received by bore face, make electromagnetic wave in the cavity
Resonance is generated, and is exported by dual polarization feeding network.
It should be noted that the lower surface of substrate collection coelosis and the upper surface of upper substrate integrated waveguide are total to metal electrode,
I.e. substrate integrates the lower surface of coelosis as the upper surface of upper substrate integrated waveguide.Correspondingly, the following table of upper substrate integrated waveguide
Face is the upper surface of intermediate configuration, and the lower surface of intermediate configuration is the upper surface of underlying basal integrated waveguide.Also
It is to say, the first gap and the second gap also are located at the upper surface of upper substrate integrated waveguide, and third gap also is located at middle transition
The upper surface of structure, the 4th gap also are located at the upper surface of underlying basal integrated waveguide.
Make the structure design of antenna more diversified using the distinctive multilayer technology of LTCC, the structure of antenna is flat from two dimension
Space of planes develops to three-dimensional space, and antenna structure is more compact, and antenna realizes miniaturization.Meanwhile wave is integrated using substrate
Waveguide technology greatly reduces the section of antenna structure.
Wherein, millimeter wave antenna refers to work in the antenna of millimere-wave band, and specific wavelength is that 1~10 millimeter of electromagnetic wave claims milli
Metric wave.Millimeter-wave frequency range is 26.5GHz~300GHz.
Optionally, the length in first gap, the second gap, third gap and the 4th gap is the two of waveguide wavelength
/ mono-, the waveguide wavelength is wavelength of the electromagnetic wave in upper substrate integrated waveguide or underlying basal integrated waveguide, described
Upper substrate integrated waveguide is identical with the structure of underlying basal integrated waveguide.
Optionally, the first direction is the direction for being parallel to X-axis, and the second direction is to be parallel to the direction of Y-axis, institute
Metal patch, substrate collection coelosis, upper substrate integrated waveguide, intermediate configuration and underlying basal integrated waveguide are stated along Z axis
Direction is successively distributed.
Optionally, the substrate collection coelosis, upper substrate integrated waveguide, intermediate configuration and underlying basal integrate wave
The energy transmission region led is rectangular configuration, four faces of the substrate collection coelosis and intermediate configuration rectangular configuration by
Multiple metal throuth holes surround, and the first port is a face of upper substrate integrated waveguide rectangular configuration, the second port
For a face of underlying basal integrated waveguide rectangular configuration, the upper substrate integrated waveguide and underlying basal integrated waveguide rectangle
The other three face of structure is surrounded by multiple metal throuth holes.
Optionally, low section LTCC millimeter wave dual polarized antenna further include: the metal positioned at substrate collection coelosis upper surface pastes
Piece；The collective effect of substrate collection coelosis and metal patch generates the polarized radiation of first direction or second direction.
Specifically, metal patch is located at substrate collection coelosis surface, i.e. antenna opening diametric plane, when antenna works in reception or transmitting
Under state, electromagnetic wave induces resonance field on metal patch when substrate integrates intracavitary generation resonance, and then it is humorous to introduce another
Vibration mode enables Antenna Operation bandwidth to extend.
Optionally, the substrate collection coelosis is suppressed by the metal layer between 4 layers of LTCC substrate and adjacent LTCC substrate.
Optionally, the metal patch is aligned with the substrate collection coelosis and the right-angled intersection slit centers.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have below beneficial to effect
Fruit:
The present invention is based on the multilayer planar techniques of LTCC to utilize the height of cavity by using substrate collection coelosis irradiation structure
Secondary mould is radiated, while cavity body structure can inhibit substrate surface wave, improves the radiation efficiency of antenna, realizes that the high of antenna increases
Benefit.
The present invention realizes antenna operating band broadening by separation metal patch mode of resonance and cavity resonant mode.
The present invention is increased using feeding substrate integrated waveguide structure and the input and output coupled structure of dual polarization feeding network
The isolation of two polarization ports.
Detailed description of the invention
Fig. 1 is the three dimensional structure diagram of LTCC millimeter wave Dual-Polarization Aperture antenna provided by the invention；
Fig. 2 (a) is the S parameter simulation result of dual polarized antenna in embodiment provided by the invention；
Fig. 2 (b) is the schematic diagram that antenna S11 integrates cavity size variation with substrate in embodiment provided by the invention；
Fig. 2 (c) is the schematic diagram that antenna S11 changes with parasitic metal patch size in embodiment provided by the invention；
Fig. 3 (a) is E surface radiation directional diagram of the 1 and 2 port at 77GHz in embodiment provided by the invention；
Fig. 3 (b) is H surface radiation directional diagram of the 1 and 2 port at 77GHz in embodiment provided by the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
The purpose of the present invention is to provide a kind of low section LTCC millimeter wave dual polarized antennas, it is intended to lower section height
Under, realize the high-gain of antenna, the high-isolation of broadband and dual-port.The present invention is based on the multilayer planar techniques of LTCC, lead to
It crosses using substrate collection coelosis irradiation structure, is radiated using the higher mode of cavity, while cavity body structure can inhibit substrate table
Surface wave improves the radiation efficiency of antenna, realizes the high-gain of antenna；By separating patch resonant mode and cavity resonant mode,
Realize antenna operating band broadening；Using feeding substrate integrated waveguide structure and unique input and output coupled structure, increase by two
The isolation of a polarization port.
In one embodiment, the low section millimeter wave dual polarized antenna provided by the invention using LTCC technology, comprising:
Substrate collection coelosis makes the electromagnetic wave inputted by dual polarization feeding network in cavity as the major radiator of antenna
Interior generation resonance, and by bore towards external radiation；Or electromagnetic wave is received by bore face, generate electromagnetic wave in the cavity humorous
Vibration, and exported by dual polarization feeding network.
Metal patch is located at substrate collection coelosis surface, i.e. antenna opening diametric plane, when antenna works in reception or emission state
Under, electromagnetic wave induces resonance field on metal patch when substrate integrates intracavitary generation resonance, and then introduces another resonant mode
Formula enables Antenna Operation bandwidth to extend.
Dual polarization feeding network, is made of three layers of substrate integration wave-guide, passes through upper substrate by the electromagnetic wave that port 1 inputs
Integrated waveguide transmission, the first slot-coupled by being parallel to waveguide short face enter substrate collection coelosis, and integrated by substrate
The collective effect of chamber and metal patch generates X-direction polarized radiation.It is integrated by the electromagnetic wave that port 2 inputs by underlying basal
Waveguide transmission by being parallel to the 4th of waveguide short face the transition structure for being coupled into middle layer, then passes through transition structure top
Layer third slot-coupled enters upper substrate integrated waveguide, then passes through the second slot-coupled perpendicular to upper layer waveguide short face
Into substrate collection coelosis, and pass through the collective effect of substrate collection coelosis and metal patch, generates Y-direction polarization.
When antenna is in reception state, when the polarized electromagnetic wave of reception X-direction, substrate, which integrates, generates the side X in cavity
To electric field, then energy by be parallel to first gap in upper substrate integrated waveguide short circuit face enter upper substrate integrate wave
It leads, and the second gap is located on the center line of upper substrate integrated waveguide, energy cannot enter following knot by the second gap
Structure can only be transmitted by upper substrate integrated waveguide；And when the polarized electromagnetic wave of antenna reception Y-direction, substrate integrates cavity
The interior electric field for generating Y-direction, then electromagnetic energy is entered upper by the second gap perpendicular to upper substrate integrated waveguide short circuit face
Layer substrate integration wave-guide, and underlying basal integrated waveguide is coupled by third gap and the 4th gap, energy is in lower layer
It is transmitted in substrate integration wave-guide.
Further, substrate integrates the mode of resonance in coelosis as higher order resonances mode.
Further, effect of the metal patch to adjust the distribution of antenna opening diametric plane midfield, there is substrate collection coelosis
Effect radiation.
Further, substrate integrates cavity lower surface and is carved with the right-angled intersection gap for electromagnetic transmission.
Further, metal patch integrates cavity and right-angled intersection feed gaps with substrate and is aligned in center.
Further, upper substrate integrated waveguide includes three layers of LTCC substrate, by two rows of parallel metallic vias and a row
The metallic vias of orthogonal arrangement is constituted.
Further, intermediate configuration includes three layers of LTCC substrate, is surrounded by metallic vias.
Further, underlying basal integrated waveguide includes three layers of LTCC substrate, by two rows of parallel metallic vias and a row
The metallic vias of orthogonal arrangement is constituted.
Further, all structural substract collection coelosis, upper substrate integrated waveguide, intermediate configuration and underlying basal
Integrated waveguide passes through slot-coupled.
Fig. 1 is the three dimensional structure diagram of LTCC millimeter wave Dual-Polarization Aperture antenna provided by the invention.As shown in Figure 1,
LTCC millimeter wave Dual-Polarization Aperture antenna includes that substrate integrates cavity 1, metal patch 101 and dual polarization feeding network.Metal patch
Piece 101 is located at substrate and integrates 1 upper surface center of cavity.Dual polarization feeding network is divided into three layers, and respectively upper substrate is integrated
Waveguide 2, intermediate configuration 3 and underlying basal integrated waveguide metal waveguide 4.Substrate integrates the setting of 1 lower surface metal layer of cavity
Right-angled intersection gap 201 and 202,201 and 202 is respectively parallel to Y-axis and X-axis, upper layer metal waveguide lower surface and middle transition
The gap 301 and 401 for being parallel to X-axis is respectively set in structure lower surface metal layer.
Substrate integrated wave-guide cavity wave by 4 layers with a thickness of 0.096mm, LTCC substrate that relative dielectric constant is 6 and with it is adjacent
Metal layer between medium is suppressed, and surrounds a rectangle substrate collection coelosis by metallic vias.Metallic vias diameter is
0.1mm, two neighboring metallic vias centre distance are 0.25mm.The substrate collection coelosis that corresponding metal layer is surrounded in metallic vias
Inside etch corresponding rectangular window.It is 2.87mm × 2.87mm that the substrate of square, which integrates chamber size,.
Metal patch 101 is located at the upper surface that substrate integrates cavity 1, and the center of cavity 1 is integrated positioned at substrate, for pros
Shape, it is consistent with the direction that substrate integrates cavity, having a size of 1.4mm × 1.4mm.
Electromagnetic wave enters substrate collection coelosis by the gap that substrate integrates cavity lower surface, and it is humorous that higher mode is generated in cavity
Vibration.Metal patch integrates intracavitary magnetic distribution by changing substrate to make substrate collection coelosis normal radiation.Substrate collection coelosis
For intracorporal electromagnetic wave there are higher mode, radiating aperture is greater than the integrated cavity bore of substrate for only existing basic mode, big radiation port
Diameter can be improved the gain of millimeter wave antenna, therefore millimeter wave antenna proposed by the present invention has the characteristics that high-gain.
In the present embodiment, when upper substrate integrated waveguide feed, it is parallel to gap 202,301,401 and the upper layer base of X-axis
The center line of piece integrated waveguide projects coincidence in the vertical direction, and energy will not be by these gap radiations, at this point, electromagnetic field is only
It can be radiated by being parallel to the gap 201 of Y-axis, substrate collection coelosis is fed.What substrate collection coelosis receiving slit 102 radiated
Electromagnetic wave generates resonance, generates the polarization of X-direction.
When lower layer's feeding substrate integrated waveguide, it is parallel to X-axis gap 401 and deviates underlying basal integrated waveguide center line,
Radiation can be generated, radiation energy passes to upper substrate integrated waveguide by the gap 301 on intermediate integrated waveguide upper layer, this
When, it is parallel to the 201 non-radiating energy of gap of Y-axis, it can only be by being parallel to 202 radiation energy of gap of X-axis, energy enters base
Piece integrates cavity, generates resonance, generates the polarization of Y-direction.
Further, the distance by changing the length in gap 201 and apart from upper layer waveguide short side adjusts the first polarization
Impedance matching；By the length and position, the length in gap 301, the length in gap 202, metallic vias that adjust gap 401
402 position can realize the second polarized impedance matching.
Fig. 2 (a) is the S parameter simulation result of dual polarized antenna provided by the invention, as the clawback of the port Fig. 2 (a) 1 is lost
Curve is S11, and the return loss plot of port 2 is S22, and the isolation of two ports is S21.It can be seen that dual polarization day
The impedance bandwidth of two ports of line is respectively 74.64GHz-84.67GHz and 75.18GHz-85.77GHz, and interport isolation exists
It is lower than -40dB in corresponding frequency range, interport isolation is higher.It can be found that antenna includes two resonance peaks, Fig. 2 (b) is this hair
The antenna S11 of bright offer changes with cavity size and the schematic diagram of variation, it can be found that when increasing cavity size, low-frequency resonant
Point is almost unchanged, and high-frequency resonant point continues to low frequency movement；Fig. 2 (c) is antenna S11 provided by the invention with metal patch ruler
The schematic diagram of very little variation and variation, it can be found that high-frequency resonant point is almost unchanged when increasing metal patch length, and low frequency is humorous
Vibration point continues mobile to more low frequency.Prove that antenna integrates cavity by patch and substrate and generates two resonance points respectively, therefore can
To make two resonance point separation by adjustment parameter, to increase the impedance bandwidth of antenna.
Fig. 3 (a), Fig. 3 (b) are respectively the face side E of port 1 and port 2 at 77GHz in embodiment provided by the invention
To figure and the face H directional diagram, solid line indicates that the face the E directional diagram of antenna, dotted line indicate that the face the H directional diagram of antenna, Fig. 3 (a) are port 1
Directional diagram, Fig. 3 (b) be port 2 input when directional diagram.It can be found that two-port, at 77GHz, antenna gain (Gain) is
9.87dBi, it is known that two-port directional diagram consistency is very high, illustrates two polarization mode all normal radiations.
LTCC millimeter wave dual polarized antenna provided by the invention is not limited only to be suppressed with LTCC cast sheet, can also lead to
Multilayer printed circuit board is crossed to be made.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (7)
1. a kind of low section LTCC millimeter wave dual polarized antenna characterized by comprising the substrate collection being successively distributed from top to bottom
Coelosis, upper substrate integrated waveguide, intermediate configuration and underlying basal integrated waveguide；
The substrate collection coelosis lower surface is provided with right-angled intersection gap, and the right-angled intersection gap includes the first gap and second
Gap, shown first gap is along first direction, and in a second direction, the first direction and second direction are hung down in second gap
Directly；The lower surface of the upper substrate integrated waveguide is provided with third gap, and the third gap is in a second direction；The centre
The lower surface of transition structure is provided with the 4th gap, the 4th gap in a second direction, second gap, third gap with
And the 4th gap upright position it is corresponding；The side of the upper substrate integrated waveguide is provided with first port, lower layer's base
The side of piece integrated waveguide is provided with second port；
It is transmitted by the electromagnetic wave of first port input in upper substrate integrated waveguide, it is integrated to enter substrate by the first slot-coupled
Chamber generates first direction polarized radiation；It is transmitted by the electromagnetic wave that second port inputs by underlying basal integrated waveguide, by the
Four gaps are coupled into intermediate configuration, enter upper substrate integrated waveguide by third slot-coupled, pass through the second gap
It is coupled into substrate collection coelosis, generates second direction polarization；
When the polarized electromagnetic wave of antenna reception first direction, substrate integrates the electric field that first direction is generated in cavity, electromagnetic energy
Amount enters upper substrate integrated waveguide by the first gap；When the polarized electromagnetic wave of antenna reception second direction, substrate is integrated
The electric field of second direction is generated in cavity, electromagnetic energy enters upper substrate integrated waveguide by the second gap, and passes through the
Three slot-coupleds enter intermediate configuration, then are coupled into underlying basal integrated waveguide by the 4th gap.
2. low section LTCC millimeter wave dual polarized antenna according to claim 1, which is characterized in that first gap,
The length in the second gap, third gap and the 4th gap is the half of waveguide wavelength, and the waveguide wavelength is electromagnetic wave
Wavelength in upper substrate integrated waveguide or underlying basal integrated waveguide, the upper substrate integrated waveguide and underlying basal collection
It is identical at the structure of waveguide.
3. low section LTCC millimeter wave dual polarized antenna according to claim 1 or 2, which is characterized in that the first party
To the direction to be parallel to X-axis, the second direction is to be parallel to the direction of Y-axis, the metal patch, substrate collection coelosis, on
Layer substrate integration wave-guide, intermediate configuration and underlying basal integrated waveguide are successively distributed along Z-direction.
4. low section LTCC millimeter wave dual polarized antenna according to claim 1, which is characterized in that the substrate is integrated
Chamber, upper substrate integrated waveguide, intermediate configuration and underlying basal integrated waveguide energy transmission region be rectangle knot
Four faces of structure, the substrate collection coelosis and intermediate configuration rectangular configuration are surrounded by multiple metal throuth holes, and described first
Port is a face of upper substrate integrated waveguide rectangular configuration, and the second port is underlying basal integrated waveguide rectangular configuration
A face, the other three face of the upper substrate integrated waveguide and underlying basal integrated waveguide rectangular configuration is by multiple metals
Through-hole surrounds.
5. low section LTCC millimeter wave dual polarized antenna according to claim 1, which is characterized in that further include: it is located at base
The metal patch of piece collection coelosis upper surface；
The collective effect of the substrate collection coelosis and metal patch generates the polarized radiation of first direction or second direction.
6. low section LTCC millimeter wave dual polarized antenna according to claim 1, which is characterized in that the substrate collection coelosis
It is suppressed by the metal layer of 4 layers of LTCC substrate and adjacent substrates.
7. low section LTCC millimeter wave dual polarized antenna according to claim 5, which is characterized in that the metal patch with
The substrate collection coelosis and right-angled intersection slit centers alignment.
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| CN201810808799.5A CN109066065A (en) | 2018-07-18 | 2018-07-18 | A kind of low section LTCC millimeter wave dual polarized antenna |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011043A (en) * | 2019-04-12 | 2019-07-12 | 华南理工大学 | Quad-band dual-polarized antenna and wireless communication equipment |
| CN110581354A (en) * | 2019-08-28 | 2019-12-17 | 深圳市信维通信股份有限公司 | Dual-polarization 5G millimeter wave antenna structure and mobile device |
| CN111244624A (en) * | 2020-03-12 | 2020-06-05 | 南京航空航天大学 | Parasitic patch array antenna with substrate integrated waveguide feed |
| US20200194898A1 (en) * | 2018-12-12 | 2020-06-18 | AAC Technologies Pte. Ltd. | Antenna system and communication terminal |
| WO2020140578A1 (en) * | 2018-12-31 | 2020-07-09 | 瑞声声学科技(深圳)有限公司 | Filter antenna |
| CN111525252A (en) * | 2020-07-06 | 2020-08-11 | 成都雷电微力科技股份有限公司 | Broadband dual-polarized antenna unit based on coupling feed |
| WO2020177713A1 (en) * | 2019-03-06 | 2020-09-10 | Huawei Technologies Co., Ltd. | Dual-polarized substrate-integrated beam steering antenna |
| CN111725605A (en) * | 2019-03-20 | 2020-09-29 | Oppo广东移动通信有限公司 | mmWave modules and electronic equipment |
| CN111987446A (en) * | 2020-08-31 | 2020-11-24 | 杭州电子科技大学 | Dual-polarized short backfire antenna applied to millimeter wave frequency band |
| CN112436294A (en) * | 2020-12-02 | 2021-03-02 | 东南大学 | Millimeter wave dual-frequency dual-polarization common-aperture antenna with high isolation and low profile |
| CN113131206A (en) * | 2021-03-25 | 2021-07-16 | 西安博瑞集信电子科技有限公司 | LTCC-based circularly polarized microstrip antenna |
| CN113540775A (en) * | 2021-06-07 | 2021-10-22 | 北京邮电大学 | A multi-polarized antenna |
| CN113594688A (en) * | 2021-06-15 | 2021-11-02 | 北京邮电大学 | Circularly polarized antenna unit and antenna array |
| US11394114B2 (en) | 2020-12-22 | 2022-07-19 | Huawei Technologies Co., Ltd. | Dual-polarized substrate-integrated 360° beam steering antenna |
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| US20200194898A1 (en) * | 2018-12-12 | 2020-06-18 | AAC Technologies Pte. Ltd. | Antenna system and communication terminal |
| WO2020140578A1 (en) * | 2018-12-31 | 2020-07-09 | 瑞声声学科技(深圳)有限公司 | Filter antenna |
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| CN110581354A (en) * | 2019-08-28 | 2019-12-17 | 深圳市信维通信股份有限公司 | Dual-polarization 5G millimeter wave antenna structure and mobile device |
| CN111244624A (en) * | 2020-03-12 | 2020-06-05 | 南京航空航天大学 | Parasitic patch array antenna with substrate integrated waveguide feed |
| CN111525252A (en) * | 2020-07-06 | 2020-08-11 | 成都雷电微力科技股份有限公司 | Broadband dual-polarized antenna unit based on coupling feed |
| CN111987446A (en) * | 2020-08-31 | 2020-11-24 | 杭州电子科技大学 | Dual-polarized short backfire antenna applied to millimeter wave frequency band |
| CN111987446B (en) * | 2020-08-31 | 2022-12-09 | 杭州电子科技大学 | Dual-polarized short backfiring antenna for mmWave frequency band |
| CN112436294A (en) * | 2020-12-02 | 2021-03-02 | 东南大学 | Millimeter wave dual-frequency dual-polarization common-aperture antenna with high isolation and low profile |
| US11394114B2 (en) | 2020-12-22 | 2022-07-19 | Huawei Technologies Co., Ltd. | Dual-polarized substrate-integrated 360° beam steering antenna |
| CN113131206A (en) * | 2021-03-25 | 2021-07-16 | 西安博瑞集信电子科技有限公司 | LTCC-based circularly polarized microstrip antenna |
| CN113540775A (en) * | 2021-06-07 | 2021-10-22 | 北京邮电大学 | A multi-polarized antenna |
| CN113540775B (en) * | 2021-06-07 | 2022-08-05 | 北京邮电大学 | Multi-polarization antenna |
| CN113594688A (en) * | 2021-06-15 | 2021-11-02 | 北京邮电大学 | Circularly polarized antenna unit and antenna array |
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