CN208637571U - A kind of MIMO airborne antenna using WiFi and LTE - Google Patents
A kind of MIMO airborne antenna using WiFi and LTE Download PDFInfo
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- CN208637571U CN208637571U CN201821355084.0U CN201821355084U CN208637571U CN 208637571 U CN208637571 U CN 208637571U CN 201821355084 U CN201821355084 U CN 201821355084U CN 208637571 U CN208637571 U CN 208637571U
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Abstract
The utility model discloses a kind of MIMO airborne antennas using WiFi and LTE, including being provided with several WiFi antennas and LTE antenna on mounting plate, the WiFi antenna includes first antenna unit and the second antenna element, the LTE antenna includes horizontal antenna and vertical antenna, end face side on a mounting board is arranged in the horizontal antenna, parallel with side on the downside of mounting plate upper surface, the vertical antenna is vertical with horizontal antenna, and the vertical antenna first antenna unit and the second antenna element separate.The technical problems to be solved in the utility model is mainly: a kind of antenna of new main cabin covering of utility model, for existing antenna Defects improvements, promote wireless device antenna covering performance aboard, the Electro Magnetic Compatibility for improving equipment, guarantees the consistency, reliability and installation convenience of equipment.
Description
Technical field
The utility model relates to a kind of airborne antennas, and in particular to a kind of MIMO airborne antenna using WiFi and LTE.
Background technique
Airborne antenna usually will not only realize the installation site and structure compatible in space with body, but also organic with institute
It carries antenna and body realizes electromagnetic compatibility, and is compatible with use environment realization.
Currently, existing airborne antenna mainly includes the following three types:
Microstrip antenna.Specifically, enclosing thin metal layer on one side as earth plate, another side on a thin-medium substrate
The metal patch of certain shapes is made of photoetching caustic solution, and using microstrip line or coaxial probe to patch, thus shape
At antenna.Microstrip antenna has many advantages, such as that low section, small in size, light weight and cost is low and is easy to produce in batches, and due to new
Feed theory appearance, working band is increased to 20% via original 5-6%；It is born however, microstrip antenna exists
The problems such as power is small, burn-out resistance is poor and limited lifetime.The monopole antennas such as inverted L/F, ∏ shape.Inverted f and the shape of falling ∏
Antenna is evolved by inverted l antenna.Such antenna be appeared in using resonance on the corresponding frequency point of its electric size realize to
External radiation electromagnetic wave.Single-stage sub-antenna has simple radiation efficiency height, structure, high mechanical strength, the low and power capacity of height
The advantages that being controlled by design；However, the working band of such antenna is narrow, generally it is only capable of reaching 5-6%.Doublet antenna tool
There are technology maturation, structure simple, feed convenience, that bandwidth, power capacity is big, aerodynamic drag is small and mechanical strength is high etc. is excellent
Point.In addition, doublet antenna can be realized with multiple structural forms, and single antenna gain can achieve 2dB, so as to
Realize the requirement of high-gain, high bandwidth and broad beam.
Utility model content
Technical problem to be solved in the utility model is that the communication standard that antenna meets is more single, the covering model of antenna
Enclose small, the negligible amounts of IMO antenna element, using cable connect external antenna equipment, can lead to antenna mounting locations relative to
Device Host position is not fixed, and it is an object of the present invention to provide a kind of MIMO airborne antenna using WiFi and LTE, solves above-mentioned ask
Topic.
The utility model is achieved through the following technical solutions:
A kind of MIMO airborne antenna using WiFi and LTE, including several WiFi antennas and LTE are provided on mounting plate
Antenna, the WiFi antenna include first antenna unit and the second antenna element, and the LTE antenna includes horizontal antenna and vertical
End face side on a mounting board is arranged in antenna, the horizontal antenna, parallel with side on the downside of mounting plate upper surface, the vertical day
Line is vertical with horizontal antenna, and the vertical antenna first antenna unit and the second antenna element separate.The utility model will solve
The technical issues of be mainly: a kind of antenna of new main cabin covering of utility model is promoted for existing antenna Defects improvements
Wireless device antenna covering performance aboard, improves the Electro Magnetic Compatibility of equipment, guarantee the consistency of equipment, reliability and
Installation convenience.Mainly the defect described in first segment is optimized as follows: antenna connects integral, equipment installation with device Host
When can consider antenna directivity, without individually finding installation site to more antennas in main cabin, reduce antenna especially
Multiaerial system guarantees the consistency of antenna covering power since antenna element causes signal covering performance to fluctuate and deteriorate.I.e.
Mode is mutually perpendicular to using multiple types multiple groups antenna, expands spreadability range, and extend mutiple antennas, the range of frequency is allowed to get over
Greatly, guarantee that each equipment is able to use.
Further, several antennas are provided in the first antenna unit and the second antenna element of the WiFi antenna
Group, wherein from top to bottom two adjacent groups antenna sets are mutually perpendicular to the antenna sets in first antenna unit, the second antenna element and
One antenna element is correspondingly arranged on antenna sets, and first antenna unit and the antenna sets in the second antenna element same horizontal line are mutual
Vertically.Antenna is built-in installation, is an indivisible entirety of equipment.Do not have to individually consider host and day when equipment is installed
Line installation site and mode, every distinct device installation aft antenna consistency of performance is guaranteed, without single to every equipment installation
Solely consider antenna arrangement.By collecting the mimo antenna group of WiFi (802.11a/b/g/n and 802.11/ac) and LTE 4G in pairs,
Greatly improve the communication throughput of equipment.Antenna sets use flat type, and module whole height is greatly reduced, and it is empty to save installation
Between, improve reliability.
Further, it is provided with screw hole on the end face of the mounting plate, mounting plate is fixed on by cabin by screw hole
It is interior.By screw hole, entire mounting plate can be fixed in cabin, mounting plate is avoided to slide, each antenna above is made
At influence, signal is then influenced.
Further, the of length no more than 200mm of the mounting plate, width are no more than 120mm.Antenna is mostly band flat reflective
Dipole, need the height of 5~10mm, width, length are preset in order to meet the setting of mutiple antennas group.
Further, the LTE antenna frequency coverage is 0.7~1GHz and 1.7~2.7GHz.
Antenna in the WiFi antenna is double-frequency micro-strip antenna, the frequency coverage of the antenna be 2.4~5.8GH and
5.15~5.85GHz.WiFi antenna sets totally 6 double-frequency micro-strip antennas, cover 2.4~2.5GHz and 5.15~5.85GHz, and every group
3 antenna elements.
The utility model compared with prior art, has the following advantages and benefits:
1, a kind of MIMO airborne antenna using WiFi and LTE of the utility model, every distinct device installation will be linear the day after tomorrow
Energy consistency is guaranteed, without individually considering antenna arrangement to every equipment installation；
2, a kind of MIMO airborne antenna using WiFi and LTE of the utility model, by collecting WiFi (802.11a/b/ in pairs
G/n and 802.11/ac) and LTE 4G mimo antenna group, greatly improve the communication throughput of equipment；
3, a kind of MIMO airborne antenna using WiFi and LTE of the utility model, antenna sets use flat type, and module is whole
Body height is greatly reduced, and saves installation space, improves reliability.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
FIG. 1 is a schematic structural view of the utility model.
Label and corresponding parts title in attached drawing:
1- mounting plate, 11- screw hole, 2-WiFi antenna, 21- first antenna unit, the second antenna element of 22-, 23- antenna
Group, 3-LTE antenna, 31- horizontal antenna, 32- vertical antenna.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment one
As shown in Figure 1, a kind of MIMO airborne antenna using WiFi and LTE of the utility model, including be arranged on mounting plate 1
There are several WiFi antenna unit array groups 2 and LTE antenna unit 3, in the WiFi antenna unit array group 2 there are three settings
WiFi antenna 21, adjacent WiFi antenna 21 is arranged in a mutually vertical manner from top to bottom, and the LTE antenna unit 3 includes horizontal antenna
31 and vertical antenna 32, the setting of horizontal antenna 31 is in 1 upper surface side of mounting plate, with side on the downside of 1 upper surface of mounting plate
In parallel, the vertical antenna 32 is vertical with horizontal antenna 31, is respectively arranged with WiFi antenna at left and right sides of the vertical antenna 32
Cell array group 2, the WiFi antenna 21 in two adjacent 2 same horizontal lines of WiFi antenna unit array group are mutually perpendicular to.This
Utility model technical problems to be solved are mainly: a kind of antenna of new main cabin covering of utility model, for existing day
Line defect is improved, and is promoted wireless device antenna covering performance aboard, is improved the Electro Magnetic Compatibility of equipment, guarantee equipment
Consistency, reliability and installation convenience.Mainly the defect described in first segment is optimized as follows: antenna is connected with device Host
Integral, equipment can consider antenna directivity when installing, without individually finding installation site to more antennas in main cabin,
Reduce antenna especially multiaerial system since antenna element causes signal covering performance to fluctuate and deteriorate, guarantees that antenna covers energy
The consistency of power.Mode is mutually perpendicular to using multiple types multiple groups antenna, expands spreadability range, and extend mutiple antennas,
It makes the range of frequency bigger, guarantees that each equipment is able to use.The arrangement mode that present specification uses, more original airborne day
Line has larger improvement.
The horizontal extension line of the vertical antenna 32 passes through 31 middle part of horizontal antenna, the horizontal antenna 31 and vertical antenna
There are gap, gap length at least 50mm between 32.Antenna is built-in installation, is an indivisible entirety of equipment.Equipment peace
Do not have to individually consider host and antenna mounting locations and mode when dress, every distinct device installation aft antenna consistency of performance has
Guarantee, without individually considering antenna arrangement to every equipment installation.By collecting WiFi802.11a/b/g/n and 802.11/ in pairs
The mimo antenna group of ac and LTE 4G, greatly improves the communication throughput of equipment.Antenna sets use flat type, and module is whole
Height is greatly reduced, and saves installation space, improves reliability.
Currently, the MIMO airborne antenna that entire market uses all be it is horizontally arranged, it is in a closed environment, this horizontally arranged
Antenna sets coverage area it is smaller, common overlay length is 30 meters of front and back, and penetration power is poor, in some airliners
On, this overlay length is not enough to allow entire fuselage that can obtain signal, and because cabin internal partition wall is more, if without one
A good penetrability, coverage area will be further reduced.It, being capable of amplitude peak using the arrangement mode in present specification
Raising area coverage, LTE antenna unit therein use dipole oscillator, pass through the skills such as staggered tuning, meander, couple feed
The covering of LTE frequency range is realized in the combination of art.WiFi antenna element group passes through balance microstrip line connection double frequency (low frequency, high frequency) radiation
Unit realizes higher gain and omni-directional in two-band.
It is boundary, the WiFi antenna sets that the left and right sides fills respectively, day with the vertical antenna 32 on mounting plate in present specification
In line group use two kinds of different systems WiFi antenna, be horizontally mounted be standard one antenna, it is vertically arranged be standard two
Antenna, standard one is arranged alternately with standard two, wherein the WiFi antenna that left side is installed is one antenna of standard, standard from top to bottom
The WiFi antenna of two antennas, one antenna of standard, right side installation is two antenna of standard, one antenna of standard, standard two days from top to bottom
Line is arranged in this way, and each WiFi antenna can be allowed both horizontally and vertically not done by cross polarization
It disturbs, is isolated by LTE antenna, theoretically the left and right sides mutual optimal angle of one antenna of standard is 90 degree, but in the plane
It can not accomplish, so, one antenna of standard is installed using isosceles triangle vertex, can allow one antenna of system maximum in the planes
Performance effect of change.Two antenna of standard is also identical problem, location and installation is carried out in a like fashion so adopting, in entirety
On, so that each individually antenna not will receive adjacent antenna orthogonal polarization and influence, frequency reception range can improved
Meanwhile so that the coverage area of antenna increases.
Embodiment two
It is provided with screw hole 11 on the end face of the mounting plate 1, mounting plate 1 is fixed in cabin by screw hole 11.
By screw hole, entire mounting plate can be fixed in cabin, mounting plate is avoided to slide, shadow is caused to each antenna above
It rings, then influences signal.
1 length of mounting plate is at least 200mm, and width is at least 120mm.Antenna is mostly the dipole with flat reflective
Son, needs the height of 5~10mm, and width, length are preset in order to meet the setting of mutiple antennas group.
The LTE horizontal antenna 31 and 32 frequency coverage of LTE vertical antenna are 0.7~1GHz and 1.7~2.7GHz.
WiFi antenna unit array group totally 6 double-frequency micro-strip antennas cover 2.4~2.5GHz and 5.15~5.85GHz, often
3 antenna elements of group.
Embodiment three
The present embodiment optimizes on the basis of embodiment one, by extending mounting plate length, installs on a mounting board not
The WiFi antenna unit array group of same frequency can effectively improve the frequency coverage of entire airborne antenna and influence model
It encloses, and using the arrangement mode of embodiment one, effectively antenna echo can be allowed to influence each other, increase penetrates effect,
Entire cabin can be covered, and can effectively penetrate face wall.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of MIMO airborne antenna using WiFi and LTE, which is characterized in that including being provided with several on mounting plate (1)
WiFi antenna (2) and LTE antenna (3), the WiFi antenna include first antenna unit (21) and the second antenna element (22), institute
Stating LTE antenna (3) includes horizontal antenna (31) and vertical antenna (32), and the horizontal antenna (31) is arranged on mounting plate (1)
End face side, parallel with side on the downside of mounting plate (1) upper surface, the vertical antenna (32) is vertical with horizontal antenna (31), institute
Vertical antenna (32) is stated to separate first antenna unit (21) and the second antenna element (22).
2. a kind of MIMO airborne antenna using WiFi and LTE according to claim 1, which is characterized in that the WiFi
Several antenna sets (23) are provided in the first antenna unit (21) and the second antenna element (22) of antenna (2), wherein first
From top to bottom two adjacent groups antenna sets (23) are mutually perpendicular to antenna sets (23) in antenna element (21), the second antenna element (22)
It is correspondingly arranged on antenna sets (23) with first antenna unit, first antenna unit (21) and the second antenna element (22) same level
Antenna sets (23) on line are mutually perpendicular to.
3. a kind of MIMO airborne antenna using WiFi and LTE according to claim 1, which is characterized in that the installation
It is provided with screw hole (11) on the end face of plate (1), mounting plate (1) is fixed in cabin by screw hole (11).
4. a kind of MIMO airborne antenna using WiFi and LTE according to claim 1, which is characterized in that the installation
Plate (1) of length no more than 200mm, width are no more than 120mm.
5. a kind of MIMO airborne antenna using WiFi and LTE according to claim 1, which is characterized in that described LTE days
Line (3) frequency coverage is 0.7~1GHz and 1.7~2.7GHz.
6. a kind of MIMO airborne antenna using WiFi and LTE according to claim 1, which is characterized in that the WiFi
Antenna in antenna (2) is double-frequency micro-strip antenna, the frequency coverage of the antenna be 2.4~2.5GHz and 5.15~
5.8GHz。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821355084.0U CN208637571U (en) | 2018-08-21 | 2018-08-21 | A kind of MIMO airborne antenna using WiFi and LTE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821355084.0U CN208637571U (en) | 2018-08-21 | 2018-08-21 | A kind of MIMO airborne antenna using WiFi and LTE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208637571U true CN208637571U (en) | 2019-03-22 |
Family
ID=65741850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821355084.0U Active CN208637571U (en) | 2018-08-21 | 2018-08-21 | A kind of MIMO airborne antenna using WiFi and LTE |
Country Status (1)
| Country | Link |
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| CN (1) | CN208637571U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923110A (en) * | 2018-08-21 | 2018-11-30 | 中电科航空电子有限公司 | A kind of MIMO airborne antenna using WiFi and LTE |
| WO2021082679A1 (en) * | 2019-10-29 | 2021-05-06 | 深圳Tcl新技术有限公司 | Dual-band antenna system and terminal device |
-
2018
- 2018-08-21 CN CN201821355084.0U patent/CN208637571U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923110A (en) * | 2018-08-21 | 2018-11-30 | 中电科航空电子有限公司 | A kind of MIMO airborne antenna using WiFi and LTE |
| CN108923110B (en) * | 2018-08-21 | 2024-04-09 | 中电科航空电子有限公司 | MIMO (multiple input multiple output) airborne antenna adopting WiFi and LTE (Long term evolution) |
| WO2021082679A1 (en) * | 2019-10-29 | 2021-05-06 | 深圳Tcl新技术有限公司 | Dual-band antenna system and terminal device |
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