CN106207463A - A kind of Integral type small-sized feeding network of smart antenna - Google Patents
A kind of Integral type small-sized feeding network of smart antenna Download PDFInfo
- Publication number
- CN106207463A CN106207463A CN201610788400.2A CN201610788400A CN106207463A CN 106207463 A CN106207463 A CN 106207463A CN 201610788400 A CN201610788400 A CN 201610788400A CN 106207463 A CN106207463 A CN 106207463A
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- China
- Prior art keywords
- port
- feeding network
- distributing unit
- power distributing
- integral type
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
-
- 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
Abstract
The present invention relates to the Integral type small-sized feeding network of a kind of smart antenna, planar microstrip line is used to connect between each power distributing unit, distributing point between each port is on same horizontal line, and whole feeding network is integrated form integrated molding, in planar structure.Therefore there is the integrated advantage of feeding network, be directly connected to the microstrip line of planar structure between each power distributing unit, it is not necessary to coaxial cable connects, solve number of welds when coaxial cable connects many, the uncontrollable difficult problem of intermodulation index；The most whole feeding network volume is little, it it is a planar structure, global formation, later stage assembling is simple, reliability is high, decreases the various uncertain difficult problems that cabling error during the manufacturing is brought, it is achieved that antenna radiation pattern amplitude-phase accurately controls, the upper secondary lobe index of antenna pattern is excellent, substantially increases the premium properties of mobile communication.
Description
Technical field
The present invention relates to a kind of equipment for moving communicating field, a kind of base relating to moving communicating field
Station antenna Integral type small-sized feeding network.
Background technology
Along with the development of China's mobile communications industry, the penetration and promotion of particularly 4G network, steel tower heaven space of planes
Growing tension, operator's miniature requirement integrated to antenna gets more and more, and the integrated miniaturization of antenna complete machine to be accomplished,
The integrated miniaturization of feeding network is a urgent problem.
The building block of the feeding network of the conventional aerial in industry is by devices such as prime power splitter, rear class power splitters at present
Realize the power magnitude distribution of directional diagram, carry out signal connection with coaxial cable between the two and realize the phase assignments of directional diagram,
Thus the amplitude-phase design reaching antenna radiation pattern meets requirement, it is achieved good upper secondary lobe suppression index.Wherein, intelligence sky
Line can adjust signal according to user's request and point to, and produces spatial orientation wave beam, makes antenna main beam alignment subscriber signal arrive
Direction.
But, when oscillator quantity is more, feeding network can be the most complicated, and the wiring assembly difficulty of complete machine strengthens.Passing through
In coaxial cable connection procedure, inevitably need to introduce more pad, bring intermodulation hidden danger, and more network into
Loss, sacrifices the gain index of antenna.
And it is easily introduced artificial wiring error manufacturing centre so that there is hidden danger in the assembling quality of antenna,
Efficiency of assembling is low, indirectly adds the manufacturing cost of enterprise.
Summary of the invention
In view of this, present invention is primarily targeted at solution shortcomings and deficiencies of the prior art, it is provided that a kind of plane
The feeding network of structure, is integrated together prime power splitter and each rear class power splitter, and microstrip line integrated connection is used in centre,
Need not extra coaxial cable be attached, have physical dimension little, amplitude-phase control accuracy is high, and conformity of production is high, tool
There are good antenna pattern index and intermodulation concordance.
For achieving the above object, the present invention provides the Integral type small-sized feeding network of a kind of smart antenna, including first
Port the 1, second port the 2, the 3rd port the 3, the 4th port 4, fifth port the 5, the 6th port the 6, the 7th port the 7, the 8th port 8,
9th port the 9, the tenth port 10 and main feed signal input port 16, and first power distributing unit the 11, second power divides
Join unit the 12, the 3rd power distributing unit the 13, the 4th power distributing unit the 14, the 5th power distributing unit the 15, the 6th power to divide
Joining unit the 17, the 7th power distributing unit the 18, the 8th power distributing unit 19 and the 9th power distributing unit 20, each power distributes
Between unit use planar microstrip line connect, first port the 1, second port the 2, the 3rd port the 3, the 4th port 4, fifth port 5,
Distributing point between 6th port the 6, the 7th port the 7, the 8th port the 8, the 9th port the 9, the tenth port 10 is in same level
On line, whole feeding network is integrated form integrated molding, in planar structure.
And, first port the 1, second port the 2, the 3rd port the 3, the 4th port 4, fifth port the 5, the 6th port the 6, the 7th
Distributing point spacing between port the 7, the 8th port the 8, the 9th port the 9, the tenth port 10 is equal.
And, first port the 1, second port the 2, the 3rd port the 3, the 4th port 4, fifth port the 5, the 6th port the 6, the 7th
Power ratio between port the 7, the 8th port the 8, the 9th port the 9, the tenth port 10 is 0.25:0.25:0.5:0.7:0.7:
0.7:0.7:0.5:0.25:0.25。
And, first port the 1, second port the 2, the 3rd port the 3, the 4th port 4, fifth port the 5, the 6th port the 6, the 7th
The phase relation of port the 7, the 8th port the 8, the 9th port the 9, the tenth port 10 is the most delayed 21.5 °.
And, complete machine antenna realizes preset angle of declination 6 degree.
And, operating frequency is F-band, is in 1880-1920MHz；Or A frequency range, it is in 2010-2025MHz；Or D frequency
Section, is in 2575-2635MHz.
Compared with prior art, the invention have the benefit that
The Integral type small-sized feeding network of a kind of smart antenna that the present invention proposes, has feeding network integrated excellent
Gesture, be directly connected to microstrip line between each power distributing unit, it is not necessary to coaxial cable connects, it is to avoid coaxial cable connection
Time number of welds many, intermodulation index is uncontrollable；The most whole feeding network is a planar structure, and volume is little, after global formation
Phase assembling is simple, and reliability is high, decreases the various uncertain difficult problems that cabling error during the manufacturing is brought, it is achieved that
Antenna radiation pattern amplitude-phase accurately controls, and the upper secondary lobe index of antenna pattern is excellent, substantially increases the excellent of mobile communication
Optimum energy.Technical solution of the present invention designs for smart antenna, it is possible to expands to conventional aerial and uses, has important market price
Value.
Accompanying drawing explanation
The Integral type small-sized feed network structures figure that Fig. 1 is the provided smart antenna of the embodiment of the present invention
Detailed description of the invention
With embodiment, the present invention is further described in more detail below in conjunction with the accompanying drawings.
The Integral type small-sized feeding network of a kind of smart antenna of the present invention is mainly divided by power distributing unit and power
The microstrip line joining the planar structure between unit is constituted, and Fig. 1 is the Integral type small-sized feeding network plane of this smart antenna
Structure chart.
Since it is desired that on the premise of ensureing gain index, do not increase radiating element number, because radiating element number is more
Many, antenna length is the longest, and miniaturization is also impossible to realize, but quantity can not be lacked, and has lacked gain inadequate, current 10
Unit is an optimal result.
The Integral type small-sized feeding network of a kind of smart antenna that embodiment provides, including first port the 1, second port
2, the 3rd port the 3, the 4th port 4, fifth port the 5, the 6th port the 6, the 7th port the 7, the 8th port the 8, the 9th port the 9, the tenth
Port 10 and main feed signal input port 16, and first power distributing unit the 11, second power distributing unit the 12, the 3rd merit
Rate allocation unit the 13, the 4th power distributing unit the 14, the 5th power distributing unit the 15, the 6th power distributing unit the 17, the 7th merit
Rate allocation unit the 18, the 8th power distributing unit the 19, the 9th power distributing unit 20.First port the 1, second port the 2, the 3rd end
Mouthful the 3, the 4th port 4, fifth port the 5, the 6th port the 6, the 7th port the 7, the 8th port the 8, the 9th port the 9, the tenth port 10 it
Between distributing point be on same horizontal line.
Described first power distributing unit the 11, second power distributing unit the 12, the 3rd power distributing unit the 13, the 4th power
Allocation unit the 14, the 5th power distributing unit the 15, the 6th power distributing unit the 17, the 7th power distributing unit the 18, the 8th power
Allocation unit the 19, the 9th power distributing unit 20, centre is connected by planar microstrip line, collectively constitutes one and meets antenna side
The specific amplitude needed to figure and the feeding network of phase relation, global formation, whole feeding network is a planar structure,
Later stage assembling is simple, and reliability is high, decreases the various uncertain difficult problems that cabling error during the manufacturing is brought, it is achieved
Antenna radiation pattern amplitude-phase accurately controls, and the upper secondary lobe index of antenna pattern is excellent, and indicator consilience is greatly improved.
When being embodied as, the length of planar microstrip line designs relative set according to the amplitude-phase between each port.
Concrete connected mode is, it is single that main feed signal input port 16 connects the 3rd power distribution respectively by planar microstrip line
Unit's the 13, the 7th power distributing unit 18, the 3rd power distributing unit 13 connects the second power respectively by planar microstrip line and distributes
Unit the 12, the 4th power distributing unit 14, it is micro-that second power distributing unit 12 one end is the 3rd port 3, the other end passes through plane
Band wire connects the first power distributing unit 11, and the first power distributing unit 11 two ends are respectively first port the 1, second port 2, the
Four power distributing unit 14 two ends are respectively the 4th port 4, fifth port 5, and the 7th power distributing unit 18 passes through planar microstrip
Line connects the 6th power distributing unit the 17, the 8th power distributing unit 19 respectively, and the 6th power distributing unit 17 two ends are respectively
6th port the 6, the 7th port 7, the 8th power distributing unit 19 one end is that the 8th port 8, the other end are by planar microstrip line company
Connecing the 9th power distributing unit 20, the 9th power distributing unit 20 two ends are respectively the 9th port the 9, the tenth port 10.
In the preferred embodiment, first port the 1, second port 2, the 3rd port 3, the 4th port 4, fifth port 5,
Spacing between six port the 6, the 7th port the 7, the 8th port the 8, the 9th port the 9, the tenth ports 10 is equal, is 78mm, and often
Individual port position is all on same horizontal line.When being embodied as, the spacing between port, can be according to antenna gain index Design
Choose with avoiding graing lobe to occur, it is proposed that span is between 0.5 λ～λ, the wavelength that centered by λ, frequency is corresponding.
In the preferred embodiment, the first power distributing unit 11 realizes power ratio between the first port 1 and the second port 2
Meeting 0.25:0.25, phase contrast meets between the first port 1 and the second port 2 delayed 21.5 °.
In the preferred embodiment, the second power distributing unit 12 coordinates the first power distributing unit 11 to realize the first port
1, between the second port the 2, the 3rd port 3, power ratio meets 0.25:0.25:0.5, and phase contrast meets the most delayed 21.5 °.
In the preferred embodiment, the 4th power distributing unit 14 realizes power ratio between the 4th port 4 and fifth port 5
Value meets 0.7:0.7, and phase contrast meets between the 4th port 4 and fifth port 5 delayed 21.5 °.
In the preferred embodiment, the 3rd power distributing unit 13 coordinates first power distributing unit the 11, second power to divide
Join unit the 12, the 4th power distributing unit 14 and realize first port the 1, second port the 2, the 3rd port the 3, the 4th port the 4, the 5th end
Between mouth 5, power ratio meets 0.25:0.25:0.5:0.7:0.7, and phase contrast meets the most delayed 21.5 °.
In the preferred embodiment, the 6th power distributing unit 17 realizes power ratio between the 6th port 6 and the 7th port 7
Value meets 0.7:0.7, and phase contrast meets between the 6th port 6 and the 7th port 7 delayed 21.5 °.
In the preferred embodiment, the 9th power distributing unit 20 realizes power between the 9th port 9 and the tenth port 10
Ratio meets 0.25:0.25, and phase contrast meets between the 9th port 9 and the tenth port 10 delayed 21.5 °.
In the preferred embodiment, the 8th power distributing unit 19 coordinates the 9th power distributing unit 20 to realize the 8th port
8, between the 9th port the 9, the tenth port 10, power ratio meets 0.5:0.25:0.25, and phase contrast meets the 8th port the 8, the 9th
Between port 9 and the tenth port 10 the most delayed 21.5 °.
In the preferred embodiment, the 7th power distributing unit 18 coordinates the 6th power distributing unit the 17, the 8th power to divide
Join unit the 19, the 9th power distributing unit 20 and realize the 6th port the 6, the 7th port the 7, the 8th port the 8, the 9th port the 9, the tenth end
Between mouth 10, power ratio meets 0.7:0.7:0.5:0.25:0.25, and phase contrast meets the most delayed 21.5 °.
In the preferred embodiment, the 5th power distributing unit 15 coordinates, first power distributing unit the 11, second power divides
Join unit the 12, the 3rd power distributing unit the 13, the 4th power distributing unit the 14, the 6th power distributing unit the 17, the 7th power to divide
Join unit the 18, the 8th power distributing unit the 19, the 9th power distributing unit 20 and realize first port the 1, second port the 2, the 3rd end
Mouthful the 3, the 4th port 4, fifth port the 5, the 6th port the 6, the 7th port the 7, the 8th port the 8, the 9th port the 9, the tenth port 10 it
Between power ratio meet 0.25:0.25:0.5:0.7:0.7:0.7:0.7:0.5:0.25:0.25, phase contrast meet the most delayed
21.5°.When being embodied as, phase contrast can suppress index to determine according to the preset angle of declination of antenna and upper secondary lobe, can basis
Concrete antenna index is changed, and those skilled in the art can use antenna amplitude-phase algorithm for design to determine concrete phase contrast.
Finally after achieving the feeding network of this power ratio and phase relation, it is achieved that antenna radiation pattern amplitude-phase
Accurately controlling, the upper secondary lobe index of antenna pattern is excellent, and intermodulation index is good, and the standing-wave ratio of main feed signal input port 16 is low
In 1.35, the beneficially coupling of complete machine standing-wave ratio.Simultaneously because whole feeding network is integrated form integrated molding, it is to avoid
The error that later stage artificially assembles, complete machine concordance is greatly improved.
Above between element spacing and oscillator, phase contrast meets the most delayed 21.5 °, can get complete machine sky according to antenna algorithm
The angle of declination of line is 6 degree:
Phase contrast
Wherein, Φ is phase contrast, f0Mid frequency 2.2GHz, c for FAD frequency range are the light velocity, and d is element spacing 78mm, θ
It it is 6 °.
Complete machine antenna realizes preset angle of declination 6 degree.
The Integral type small-sized feeding network of smart antenna provided by the present invention, its operating frequency is F-band (1880-
1920MHz), A frequency range (2010-2025MHz), D frequency range (2575-2635MHz).
Embodiment described above only have expressed certain embodiment of the present invention, and it describes more concrete and detailed, right
For those of ordinary skill in the art, after reading over this specification, without departing from the inventive concept of the premise, it is also possible to do
Going out some deformation and improvement, these broadly fall into protection scope of the present invention.
Claims (8)
1. an Integral type small-sized feeding network for smart antenna, including the first port (1), the second port (2), the 3rd port
(3), the 4th port (4), fifth port (5), the 6th port (6), the 7th port (7), the 8th port (8), the 9th port (9),
Tenth port (10) and main feed signal input port (16), and the first power distributing unit (11), the second power distribution list
Unit (12), the 3rd power distributing unit (13), the 4th power distributing unit (14), the 5th power distributing unit (15), the 6th merit
Rate allocation unit (17), the 7th power distributing unit (18), the 8th power distributing unit (19) and the 9th power distributing unit
(20), it is characterised in that: between each power distributing unit use planar microstrip line connect, the first port (1), the second port (2),
3rd port (3), the 4th port (4), fifth port (5), the 6th port (6), the 7th port (7), the 8th port (8), the 9th
Distributing point between port (9), the tenth port (10) is on same horizontal line, and whole feeding network is integrated form integration
Molding, in planar structure.
The Integral type small-sized feeding network of a kind of smart antenna the most according to claim 1, it is characterised in that: the first end
Mouth (1), the second port (2), the 3rd port (3), the 4th port (4), fifth port (5), the 6th port (6), the 7th port
(7), the distributing point spacing between the 8th port (8), the 9th port (9), the tenth port (10) is equal.
The Integral type small-sized feeding network of a kind of smart antenna the most according to claim 1 and 2, it is characterised in that: the
Single port (1), the second port (2), the 3rd port (3), the 4th port (4), fifth port (5), the 6th port (6), the 7th end
Mouth power ratio between (7), the 8th port (8), the 9th port (9), the tenth port (10) is 0.25:0.25:0.5:0.7:
0.7:0.7:0.7:0.5:0.25:0.25。
The Integral type small-sized feeding network of a kind of smart antenna the most according to claim 3, it is characterised in that: the first end
Mouth (1), the second port (2), the 3rd port (3), the 4th port (4), fifth port (5), the 6th port (6), the 7th port
(7), the 8th port (8), the 9th port (9), the phase relation of the tenth port (10) are the most delayed 21.5 °.
The Integral type small-sized feeding network of a kind of smart antenna the most according to claim 4, it is characterised in that: complete machine sky
Line realizes preset angle of declination 6 degree.
The Integral type small-sized feeding network of the most according to claim 1 and 2 kind of smart antenna, it is characterised in that: work
Frequency is F-band, is in 1880-1920MHz；Or A frequency range, it is in 2010-2025MHz；Or D frequency range, it is in 2575-
2635MHz。
The Integral type small-sized feeding network of the most according to claim 3 kind of smart antenna, it is characterised in that: operating frequency
For F-band, it is in 1880-1920MHz；Or A frequency range, it is in 2010-2025MHz；Or D frequency range, it is in 2575-2635MHz.
The Integral type small-sized feeding network of the most according to claim 4 kind of smart antenna, it is characterised in that: operating frequency
For F-band, it is in 1880-1920MHz；Or A frequency range, it is in 2010-2025MHz；Or D frequency range, it is in 2575-2635MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788400.2A CN106207463A (en) | 2016-08-31 | 2016-08-31 | A kind of Integral type small-sized feeding network of smart antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788400.2A CN106207463A (en) | 2016-08-31 | 2016-08-31 | A kind of Integral type small-sized feeding network of smart antenna |
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| Publication Number | Publication Date |
|---|---|
| CN106207463A true CN106207463A (en) | 2016-12-07 |
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ID=58086362
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610788400.2A Pending CN106207463A (en) | 2016-08-31 | 2016-08-31 | A kind of Integral type small-sized feeding network of smart antenna |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117968A (en) * | 2010-12-28 | 2011-07-06 | 中国兵器工业第二○六研究所 | Composite material stripline waveguide array antenna |
| CN102195143A (en) * | 2011-03-10 | 2011-09-21 | 东南大学 | Broadband shunt-feed omnidirectional antenna array with inclination angle |
| WO2014100008A1 (en) * | 2012-12-18 | 2014-06-26 | Commscope, Inc. Of North Carolina | Feed network and electromagnetic radiation source |
| CN204441485U (en) * | 2015-01-22 | 2015-07-01 | 成都锦江电子系统工程有限公司 | A kind of plane slot array antenna merit divides feeding network |
| CN105552577A (en) * | 2015-12-11 | 2016-05-04 | 华南理工大学 | Low sidelobe microstrip array antenna with filtering characteristics |
-
2016
- 2016-08-31 CN CN201610788400.2A patent/CN106207463A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117968A (en) * | 2010-12-28 | 2011-07-06 | 中国兵器工业第二○六研究所 | Composite material stripline waveguide array antenna |
| CN102195143A (en) * | 2011-03-10 | 2011-09-21 | 东南大学 | Broadband shunt-feed omnidirectional antenna array with inclination angle |
| WO2014100008A1 (en) * | 2012-12-18 | 2014-06-26 | Commscope, Inc. Of North Carolina | Feed network and electromagnetic radiation source |
| CN204441485U (en) * | 2015-01-22 | 2015-07-01 | 成都锦江电子系统工程有限公司 | A kind of plane slot array antenna merit divides feeding network |
| CN105552577A (en) * | 2015-12-11 | 2016-05-04 | 华南理工大学 | Low sidelobe microstrip array antenna with filtering characteristics |
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Application publication date: 20161207 |