CN208272136U - A kind of feeding network of extensive mimo antenna - Google Patents
A kind of feeding network of extensive mimo antenna Download PDFInfo
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- CN208272136U CN208272136U CN201820803313.4U CN201820803313U CN208272136U CN 208272136 U CN208272136 U CN 208272136U CN 201820803313 U CN201820803313 U CN 201820803313U CN 208272136 U CN208272136 U CN 208272136U
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- 239000000758 substrate Substances 0.000 claims abstract description 62
- 230000008878 coupling Effects 0.000 claims abstract description 30
- 238000010168 coupling process Methods 0.000 claims abstract description 30
- 238000005859 coupling reaction Methods 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 6
- 238000002955 isolation Methods 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
A kind of feeding network of extensive mimo antenna, it include: the first layer medium substrate and second layer medium substrate being stacked, first layer medium substrate is equipped with power division network far from the surface of second layer medium substrate, second layer medium substrate far from the surface of first layer medium substrate with being covered with metal, first layer medium substrate is far from being folded with calibration network between second layer medium substrate, the calibration network includes at least two mutually matched couplers, the coupled end of coupling circuit is by several function clutch multi-stage cascades at a total mouth of calibration network, power division network includes and the mutually matched power splitter of the quantity such as coupler, power splitter is laid on first layer medium substrate, the input terminal of power splitter and the coupled end Space Coupling of coupler connect.The coupler direct circuit of feeding network lieutenant colonel pseudo-crystalline lattice and coupling circuit hierarchical design in the application, the straight-through feed core of elimination of calibrations network and power division network, and it is integrated to structure, reduce production cost and line loss.
Description
Technical field
The utility model relates to a kind of antenna assemblies, more particularly, to a kind of feeding network.
Background technique
Fulminant growth is just being presented in face of data requirements of the user to mobile radio communication, it is big in particular for real-time Transmission
Measure the wireless application of data.The network capacity of 1000 times of 4G LTE systems and the extensive mimo antenna of 1 Millisecond low time delay
Array system is considered as the most potential transmission technology of 5G.
The feeding network of extensive mimo antenna array includes power division network and calibration network, and power division network uses micro-strip
Line, calibration network are connected using strip line, power division network and calibration network by straight-through feed core.Calibration network by coupler and
Function clutch composition, the radiofrequency signal that different couplers are extracted from different spoke side mouths form a calibration by the cascade of function clutch
Total mouth.Coupler select parallel coupled line directional coupler, be placed in parallel and constituted by strip line, i.e., the direct circuit of coupler with
Coupling circuit are in the same plane.Existing this technical solution, power division network and calibration network by different pcb board processing and
At, and by feed core connection, circuit it is integrated it is low lead to material cost and high production cost, and the loss of circuit is big, dislikes
Change antenna gain.
Utility model content
The purpose of this utility model is deficiency to solve above-mentioned technical problem, provides a kind of feedback of extensive mimo antenna
Electric network, the coupler direct circuit and coupling circuit hierarchical design of feeding network lieutenant colonel's pseudo-crystalline lattice, coupling circuit are band-like
Line, direct circuit are microstrip line, and the microstrip line of direct circuit is used as the input terminal of power division network simultaneously；The feeding network cancels school
The straight-through feed core of pseudo-crystalline lattice and power division network, and it is integrated to structure, reduce production cost and line loss.
The deficiency of the utility model to solve above-mentioned technical problem, used technical solution is:
A kind of feeding network of extensive mimo antenna includes: that the first layer medium substrate being stacked and the second layer are situated between
Matter substrate, first layer medium substrate are equipped with power division network far from the surface of second layer medium substrate, and second layer medium substrate is remote
Surface from first layer medium substrate with being covered with metal, is folded with school between first layer medium substrate and second layer medium substrate
Pseudo-crystalline lattice, calibration network and power division network complement each other to form feeding network, and the calibration network includes at least two mutual
The coupling circuit of the coupler of cooperation, coupler using strip line and are laid on second layer medium substrate, coupling circuit
Coupled end by several function clutch multi-stage cascades at a total mouth of calibration network, the isolation end welding of the coupling circuit of coupler every
From resistance, the power division network includes being laid on first layer Jie with the mutually matched power splitter of the quantity such as coupler, power splitter
On matter substrate, one section of route and the coupling on second layer medium substrate are set on power splitter input terminal on first layer medium substrate
The coupling end spaces for closing circuit are parallel, and the coupled end Space Coupling of the route and coupler forms the direct circuit of coupler,
To form the coupling circuit of coupler and the space structure of direct circuit layering setting.
The dielectric constant of the first layer medium substrate and second layer medium substrate is 2.2~10.2.
The first layer medium substrate and second layer medium substrate with a thickness of 0.76mm~2.70mm.
The beneficial effects of the utility model are: in the application feeding network lieutenant colonel pseudo-crystalline lattice coupler direct circuit and coupling
Circuit hierarchical design is closed, direct circuit is used as the input terminal of power division network using microstripline simultaneously；The feeding network cancels school
The straight-through feed core of pseudo-crystalline lattice and power division network, and it is integrated to structure, reduce production cost and line loss.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is that the top view of second layer medium substrate in the utility model (including is located at function point on first layer medium substrate
The projection of network).
Fig. 3 is the middle coupler of the utility model and the top view of power splitter mated condition.
Fig. 4 is the utility model embodiment alignment network partial schematic diagram.
Diagram label: 1, first layer medium substrate, 2, second layer medium substrate, 3, calibration network, 31, coupler, 311,
The coupled end of coupling circuit, 312, the isolation ends of coupling circuit, 32, function clutch, 33, the total mouth of calibration network, 4, power division network,
41, power splitter, 411, power splitter input terminal, 5, metal.
Specific embodiment
As shown in the figure, specific embodiment is as follows:
A kind of feeding network of extensive mimo antenna includes: the first layer medium substrate 1 and the second layer being stacked
Medium substrate 2, first layer medium substrate 1 are equipped with power division network 4, second layer medium far from the surface of second layer medium substrate 2
Substrate 2 far from the surface of first layer medium substrate 1 with being covered with metal 5, metal 5 setting can replace conventional antenna array
In metallic reflection plate, reduce the quantity of aerial array components, and greatly reduce the volume and weight of aerial array, together
When ensure that electric property is reliable, calibration network 3 is folded between first layer medium substrate 1 and second layer medium substrate 2, calibrate
Network 3 and power division network 4 complement each other to form feeding network, and the calibration network 3 includes at least two mutually matched couplings
The coupling circuit of clutch 31, coupler 31 using strip line and are laid on second layer medium substrate 2, the coupling of coupling circuit
End 311 is by several 32 multi-stage cascades of function clutch at the total mouth 33 of a calibration network, the isolation end of the coupling circuit of coupler 31
312 welding isolation resistances, the power division network include and the mutually matched power splitter 41 of the quantity such as coupler 31, power splitter 41
It is laid on first layer medium substrate 1, one section of route is set and is located on power splitter input terminal 411 on first layer medium substrate 1
311 space of coupled end of coupling circuit on second layer medium substrate is parallel, and 311 space of coupled end of the route and coupler
Coupling forms the direct circuit of coupler, to form the coupling circuit of coupler and the space knot of direct circuit layering setting
Structure, the structure eliminate coupler and power splitter by being directly connected to structure through first time medium substrate, by coupler
The input terminal of direct circuit and power splitter is set as a component, simplifies overall structure, while all parts layering setting is just
In assembling.
The dielectric constant of the first layer medium substrate and second layer medium substrate is 2.2~10.2.
The first layer medium substrate and second layer medium substrate with a thickness of 0.76mm~2.70mm.Each layer medium base
The plate of plate can select Rogers RO4730JXR.Preferably, the dielectric constant of each layer medium substrate can be 3.0, medium
Plate thickness 0.78mm.
Technical solution cited by the utility model and embodiment and non-limiting, with skill cited by the utility model
Art scheme and embodiment be equivalent or effect same approach is all in the range of the utility model is protected.
Claims (3)
1. a kind of feeding network of extensive mimo antenna includes: the first layer medium substrate and second layer medium being stacked
Substrate, first layer medium substrate are equipped with power division network far from the surface of second layer medium substrate, and second layer medium substrate is separate
The surface of first layer medium substrate with being covered with metal, is folded with calibration between first layer medium substrate and second layer medium substrate
Network, calibration network and power division network complement each other to form feeding network, it is characterised in that: the calibration network includes at least
The coupling circuit of two mutually matched couplers, coupler using strip line and are laid on second layer medium substrate, coupling
The coupled end of conjunction circuit is by several function clutch multi-stage cascades at a total mouth of calibration network, the isolation of the coupling circuit of coupler
End welding isolation resistance, the power division network includes being laid on the mutually matched power splitter of the quantity such as coupler, power splitter
On first layer medium substrate, one section of route is set on power splitter input terminal on first layer medium substrate and is located at second layer medium base
The coupling end spaces of coupling circuit on plate are parallel, and the coupled end Space Coupling of the route and coupler forms the straight of coupler
Circuit passband.
2. a kind of feeding network of extensive mimo antenna according to claim 1, it is characterised in that: the first layer
The dielectric constant of medium substrate and second layer medium substrate is 2.2~10.2.
3. a kind of feeding network of extensive mimo antenna according to claim 1 or 2, it is characterised in that: described
The thickness of one layer of medium substrate and second layer medium substrate is 0.76mm~2.70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820803313.4U CN208272136U (en) | 2018-05-28 | 2018-05-28 | A kind of feeding network of extensive mimo antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820803313.4U CN208272136U (en) | 2018-05-28 | 2018-05-28 | A kind of feeding network of extensive mimo antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208272136U true CN208272136U (en) | 2018-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820803313.4U Withdrawn - After Issue CN208272136U (en) | 2018-05-28 | 2018-05-28 | A kind of feeding network of extensive mimo antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208272136U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521017A (en) * | 2018-05-28 | 2018-09-11 | 广东通宇通讯股份有限公司 | A kind of feeding network of extensive mimo antenna |
| CN110470970A (en) * | 2019-07-09 | 2019-11-19 | 广州兴森快捷电路科技有限公司 | A kind of method of dynamic monitoring passive intermodulation |
-
2018
- 2018-05-28 CN CN201820803313.4U patent/CN208272136U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521017A (en) * | 2018-05-28 | 2018-09-11 | 广东通宇通讯股份有限公司 | A kind of feeding network of extensive mimo antenna |
| CN108521017B (en) * | 2018-05-28 | 2024-03-15 | 广东通宇通讯股份有限公司 | Feed network of large-scale MIMO antenna |
| CN110470970A (en) * | 2019-07-09 | 2019-11-19 | 广州兴森快捷电路科技有限公司 | A kind of method of dynamic monitoring passive intermodulation |
| CN110470970B (en) * | 2019-07-09 | 2021-09-21 | 广州兴森快捷电路科技有限公司 | Method for dynamically monitoring passive intermodulation |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181221 Effective date of abandoning: 20240315 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181221 Effective date of abandoning: 20240315 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |