CN109509978A - High-performance mobile communication antenna cover - Google Patents
High-performance mobile communication antenna cover Download PDFInfo
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- CN109509978A CN109509978A CN201811570449.6A CN201811570449A CN109509978A CN 109509978 A CN109509978 A CN 109509978A CN 201811570449 A CN201811570449 A CN 201811570449A CN 109509978 A CN109509978 A CN 109509978A
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- 238000010295 mobile communication Methods 0.000 title claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 61
- 238000004891 communication Methods 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims abstract description 19
- 230000005764 inhibitory process Effects 0.000 claims abstract description 12
- 230000000737 periodic effect Effects 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 abstract description 11
- 238000003780 insertion Methods 0.000 abstract description 10
- 230000037431 insertion Effects 0.000 abstract description 10
- 230000007123 defense Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 18
- 230000005540 biological transmission Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 230000010287 polarization Effects 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 6
- 230000005855 radiation Effects 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000010897 surface acoustic wave method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009153 reflex inhibition Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
- H01Q17/008—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems with a particular shape
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Abstract
The invention discloses a kind of high-performance mobile communication antenna covers.Antenna house is rearranged by periodic unit close structure, and entire antenna cover structure can be divided into dielectric layer and be affixed on being made of consumption layer, lossless metal layer for dielectric layer two sides.There is consumption layer to be affixed on dielectric layer upper surface, lossless metal layer is affixed on dielectric layer lower surface.The high-performance mobile communication antenna that the present invention is suitable for that antenna system spurious signal is inhibited to interfere is provide with meter, polarizer stability is splendid, pass band width is big and in-band insertion loss is small, the absorption band of high-absorbility is formed when forward entrance at two frequency multiplication of passband, realize the inhibiting effect to antenna system spurious signal, the reflection band of high inhibition is formed when negative sense incidence at frequency multiplication, to realize the shielding action to interference signal in external environment.It is worth in modern Commercial communication, radar and military and national defense field with huge applications.
Description
Technical field
The present invention relates to antenna technical fields can be applied to more particularly to a kind of high-performance mobile communication antenna cover
In terms of 5G communication and radar.
Background technique
It is higher and higher to the performance requirement of communication system with the rapid development of the communication technology.In conventional mobile communications system
Surface acoustic wave (Surface Acoustic Wave, SAW) filter and dielectric filter are spuious commonly used to carry out system in system
The inhibition of signal.But since the huge volume of dielectric filter and the design philosophys such as system high integration, portable are runed counter to, SAW filter
Wave device is with the raising of frequency, and performance runs down, therefore it can only preferably be applied to low-frequency range and communicate.Further, since
Bulk acoustic wave (Bulk Acoustic Wave, BAW) filter is insufficient to spurious signal rejection ability at frequency multiplication, can not meet and work as
The requirement of preceding mobile communication.Therefore, the inhibition of spurious signal at frequency multiplication how is improved, while guaranteeing the normal work of antenna system
As a major challenge in current communication networks design.
It is affected by environment that traditional antenna cover often only protects antenna and entire communication system to exempt from using dielectric material
Shell.
In recent years, the research on the super surface of electromagnetism causes the concern of numerous domestic and foreign scholars, also achieves numerous breakthroughs.And
Current research is more conceived to the stabilizations of transmission performance, is typically designed reflection-type stopband for spuious inhibition to realize,
But the type shielding case in a communications system in application, due to reflection characteristic, although inhibiting spurious signal to sky well
Between middle radiation, but spurious signal will be made to be reflected back communication system again and cause secondary radiation problem.More for spurious signal
Good suppressor mode is absorption consumption to be carried out to it, but absorption-type shielding case often will affect the working performance of antenna itself, this
So that the design of absorption-type antenna house becomes abnormal difficult.Therefore, design is a can be on the basis of guaranteeing antenna stabilization work
Realize that the antenna house for absorbing and inhibiting to spurious signal at working frequency range frequency multiplication is developed to pass weight for present mobile communication technology
It wants.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of high-performance mobile communication antenna cover, pass through
The ingehious design of consumption layer and the lossless layer in bottom is arranged at top, realizes the efficient absorption to spurious signal at frequency multiplication, while to work frequency
Segment signal has stable, efficient selective penetrated property.The present invention, which can be realized, inhibits the height of spurious signal at system frequency multiplication,
Improve communication system performance itself to a certain extent simultaneously.
The technical proposal adopted by the invention to solve the above technical problems is that:
The antenna house is rearranged by least one periodic unit close structure, and each periodic unit structure is mainly by being situated between
Matter layer and be affixed on dielectric layer two sides by consumption layer and lossless metal layer form, the periodic unit structure includes that consumption layer is arranged at top
P1, dielectric layer D0With the lossless metal layer P of bottom2；Consumption layer P is arranged at top1It is affixed on dielectric layer D0Upper surface, the lossless metal patch P of bottom2
It is affixed on dielectric layer D0Lower surface.
Consumption layer P is arranged at the top1By a metal Fang Huan and two resistance R being welded on Fang HuanesComposition；Metal Fang Huanwei
In dielectric layer D0Geometric center at, wherein adjacent two sides middle opens up rectangular aperture to metal Fang Huan, and each rectangle is opened
One resistance R of welding arrangement at mouthfules, resistance ResConnect the metal side ring end of rectangular aperture two sides, the side length of metal Fang Huan
Size is less than dielectric layer D0Side length.The lossless metal patch P of bottom2By the square ring metal patch T for being located at periphery0Be located at
Intermediate " Jerusalem " saltire metal patch T1Composition, wherein " Jerusalem " saltire metal patch T1Positioned at Fang Huanjin
Belong to patch T0, be by four T-shaped units in a manner of central symmetry circumferentially uniformly at intervals；Square ring metal patch T0Side length ruler
It is very little to be equal to dielectric layer D0Side length.
The dielectric layer D0Using Rogers RT5880 plate, dielectric constant 2.2, dielectric loss angle tangent is
0.0009。
The frequency for being incident in the antenna house electromagnetic wave is 2GHz-9GHz.
When electromagnetic wave incident is to the antenna house in free space, selection can be generated to the electromagnetic wave of specific incident frequencies
Property, so that working frequency range signal normally penetrates: there is the signal of consumption layer for forward entrance to antenna house upper surface, it will in antenna
The absorption band of high-absorbility is formed at two frequency multiplication of working frequency range: the signal for being incident on the lossless layer in antenna house lower surface for negative sense will
The reflection band of high inhibition can be formed at frequency multiplication, to realize the inhibition to antenna system spurious signal.The forward entrance
Refer to that electromagnetic wave has consumption layer incident at the top of antenna house, negative sense incidence refers to that electromagnetic wave is incident from the lossless layer in antenna house bottom.
In specific implementation, top layer of the present invention has consumption layer, only has very big consumption to the spurious signal at antenna frequency multiplication,
And it is smaller for Antenna Operation effect of signals, realizing the normal work that ensure that antenna while absorption to spurious signal.It is right
In the electromagnetic wave of forward entrance (it is incident to be covered with consumption layer from antenna), antenna house will make the work of 3.2GHz-3.8GHz frequency range
Signal is normal through loss is less than 0.2dB, and 6.5GHz -7.5GHz frequency range will will form the absorption band of high-absorbility, to the frequency
Section electromagnetic wave is absorbed, and absorption efficiency is greater than 90%, prevents it from being transmitted by antenna house.Incident for negative sense (from
The lossless layer of antenna house is incident) electromagnetic wave, antenna house will make the working signal of 3.2GHz-3.8GHz frequency range normal through,
It, which is lost, is less than 0.2dB, and 6.5GHz -7.5GHz frequency range will will form the one high reflection band inhibited, inhibitory effect 20dB with
On, to realize shielding action of the antenna house to the segment signal.
High-performance mobile communication antenna cover of the invention can be applied in the modern communications such as 5G, radar and military communication.
Antenna house working principle of the invention is as follows:
In a communications system, when antenna is in running order, in addition to can Radiation work frequency range outward useful signal
Outside, there is also spurious signals at the frequency multiplication of Antenna Operation frequency range, can bring and seriously affect to antenna system.Traditional antenna cover is logical
Normal design structure forms reflection-type stopband, plays the inhibiting effect to spurious signal.Although reflection-type stopband can be to spurious signal
Good inhibition is played, but spurious signal can be made to be reflected back antenna system again, and then it is secondary dry to bring electromagnetic pollution to be formed
It disturbs.The drawbacks of in order to overcome conventional reflective-type stopband to bring, the present invention use to spurious signal at frequency multiplication carry out absorb inhibition and
Working frequency range signal normal through the performance that communication system is improved with flowering structure design.
It is to have consumption layer with resistive element at the top of antenna house in the present invention, the well-designed of structure makes it in Antenna Operation
Frequency multiplication at form assimilation effect, realize and the absorption of spurious signal inhibited；And the bottom of antenna house is lossless layer structure, a side
Face forms stopband at frequency multiplication, has consumption layer to cooperatively form assimilation effect with top layer, is on the other hand formed in Antenna Operation frequency range
Low-loss broad passband guarantees the normal work of antenna so that working signal is impregnable by antenna house.
Consumption layer P is arranged at top1For mainly by a metal Fang Huan and two resistance R being welded on Fang HuanesComposition；Metal Fang Huan
There are two rectangular apertures at the geometric center of structural unit, and in its adjacent two sides middle；Two resistance ResWeldering
It is connected at the rectangular aperture of metal Fang Huan.Consider from equivalent circuit angle, the metal Fang Huan can be equivalent to inductance L0, and it is single
Gap between member and cellular construction can be equivalent to capacitor C0, along with the resistance R being welded on metal Fang Huanes, form RLC's
Series circuit.Fig. 5 illustrates the current distribution at Antenna Operation frequency range frequency multiplication, it can be found that under specific frequency, RLC series connection
Circuit forms resonance effect, heavy current is formed on Fang Huan, by resistance ResSo that spurious signal energy consumption, is realized to spuious letter
Number absorption inhibit；Fig. 6 illustrates the current distribution under operating frequency of antenna, it can be seen that current strength at this time is smaller, institute
Too big consumption will not be brought to Antenna Operation signal, the normal work of antenna ensure that.
The lossless metal patch P of bottom2For mainly by periphery side ring metal patch T0With intermediate " Jerusalem " saltire metal
Patch T1Composition.From the point of view of equivalent circuit angle, periphery side ring metal patch T0It can be equivalent to inductance L1, metal Fang Huanyu
The gap that road is spread between cold saltire frame metal patch is equivalent to capacitor C2, and Jerusalem saltire frame metal patch itself can be with
It is equivalent to inductance L2.Capacitor C2With inductance L2LC series circuit is formed, makes it that resonance occur at antenna frequency multiplication and forms stopband, with
Top layer has consumption layer cooperative achievement absorption band, and then absorbs spurious signal；And inductance L1With capacitor C2With inductance L2Form series electrical
Road forms LC parallel circuit, forms resonance in Antenna Operation frequency range, forms passband in working frequency range, realizes to Antenna Operation signal
Transparent effect ensures the normal work of antenna, and final equivalent-circuit model of the invention is as shown in Figure 7.It is wherein equivalent shown in Fig. 7
Z in circuit0It is the impedance in free space, Zh0It is the equivalent impedance of dielectric layer.
Antenna house in the present invention is using full symmetric design philosophy, under TE, TM mode for realizing electromagnetic wave
Dual polarization stability Design.
The high-performance mobile communication antenna that the present invention is suitable for inhibiting spurious signal, polarizer stability high is provide with meter, passband
Interior insertion loss is small and stablizes, and the high Wide stop bands inhibited are formed at two frequency multiplication of passband, and (it is incident that forward entrance forms reflection band, negative sense
Form absorption band), polarizer stability is splendid.In the fields such as modern communications, radar and military and national defense, application value is huge.
The beneficial effects of the present invention are:
The present invention realizes the design of 5G communication system antenna shielding case, suitable for inhibiting antenna system spurious signal to interfere
High-performance mobile communication antenna is provide with meter, and polarizer stability is splendid, and pass band width is big and in-band insertion loss is small, when forward entrance
The absorption band that high-absorbility is formed at two frequency multiplication of passband, realizes the inhibiting effect to antenna system spurious signal, and negative sense is incident
When the reflection band of high inhibition is formed at frequency multiplication, so that the inhibiting effect to interference signal in external environment is realized, to solve 5G
The inhibition of spurious signal, the lossless reflection-type FSS antenna house of tradition bring secondary radiation and conventional suction body pair in antenna system
The problems such as working signal loss is larger provides a kind of feasible scheme.
Inventive antenna cover has frequency selective absorber architectural characteristic, and final antenna house thickness is only 0.037 λ, much
Less than the design requirement of 1/4 λ of conventional suction body, it is greatly reduced the volume of antenna house, the weight bearing of antenna system is reduced, makes
Its application in the third generation mobile communication system is possibly realized.
In addition, the present invention uses full symmetric design, so that its electromagnetism dual polarization performance is stablized, while TE, TM two is supported
Kind polarization mode.
The present invention applies valence with high in modern communications, radar and the military communications such as antenna device miniaturization, 5G
Value.
For synthesis, the present invention be suitable for inhibit spurious signal, polarizer stability high high-performance mobile communication antenna cover
Design, logical in-band insertion loss is small and stablizes, and the high Wide stop bands inhibited are formed at two frequency multiplication of passband, and (forward entrance, which is formed, to be reflected
Band, negative sense incidence form absorption band), polarizer stability is splendid.In the fields such as modern communications, radar and military and national defense application value
It is huge.
Detailed description of the invention
Fig. 1 is the antenna house tomograph of the embodiment of the present invention；
Fig. 2 is the main view of invention unit structure；
Fig. 3 is the top-level metallic topology view of invention unit structure；
Fig. 4 is the underlying metal topology view of invention unit structure；
Fig. 5 is top level structure of the present invention current distribution view at 7GHz (at Antenna Operation frequency multiplication)；
Fig. 6 is invention unit structure current distribution view in top-level metallic structure in 3.5GHz；
Fig. 7 is the equivalent-circuit model figure of inventive antenna cover；
Fig. 8 is top-level metallic Fang Huan to cellular construction edge interval StTo transmission performance influence curve when variation；
Fig. 9 is antenna house of the invention for the transmission performance curve under forward entrance TE, TM polarization mode；
Figure 10 is antenna house of the invention for transmission performance curve under reversed incidence TE, TM polarization mode；
Antenna house absorbance curves Figure 11 of the invention when being electromagnetic wave forward entrance under TE polarization mode.
Specific embodiment
The following further describes the present invention with reference to the drawings.
The embodiment of the present invention is specifically described the reality of various pieces of the present invention for being applied to 5G communication power frequency section antenna house
Apply the influence of mode and each structural parameters for radome transmission performance:
The Rogers RT5880 plate that dielectric-slab uses in the present invention, periodic unit is having a size of 15.5mm.The plate
Feature is that its dielectric loss is very small, therefore influences on the insertion loss of passband smaller.But the price of the plate compares
Height also can choose close with the material dielectric constant if the insertion loss requirement to passband is lower in actual application
Plate come be designed processing, to reduce investment cost.
As depicted in figs. 1 and 2, there is consumption layer P at the top of antenna house1, dielectric layer D0With the lossless metal layer P of bottom2；Consumption is arranged at top
Layer P1It is affixed on dielectric layer D0Upper surface, the lossless metal patch P of bottom2It is affixed on dielectric layer D0Lower surface.
As shown in figure 3, consumption layer P is arranged at top1By a metal Fang Huan and two resistance R being welded on Fang HuanesComposition；Metal
Fang Huan is located at dielectric layer D0Geometric center at, wherein adjacent two sides middle opens up rectangular aperture to metal Fang Huan, each
One resistance R of welding arrangement at rectangular aperturees, resistance ResConnect the metal side ring end of rectangular aperture two sides, metal Fang Huan
Size dimension be less than dielectric layer D0Side length.
As shown in figure 4, the lossless metal patch P of bottom2By the square ring metal patch T for being located at periphery0Be located in the middle "
Spread cold in road " saltire metal patch T1Composition.Wherein " Jerusalem " saltire metal patch T1Positioned at square ring metal patch T0,
Be by four T-shaped units in a manner of central symmetry circumferentially uniformly at intervals；Square ring metal patch T0Positioned at the outer of cellular construction
Circle, square ring metal patch T0Size dimension be equal to dielectric layer D0Side length, i.e., square ring metal patch T0Outer edge and dielectric layer D0
Outer edge alignment, be the metal Fang Huan an of standard.
1 structure of the invention the size of each part of table
| P | St | W0 | h0 | Res |
| 15.5mm | 3.5mm | 1.1mm | 3.175mm | 145Ω |
| W1 | W2 | W3 | L0 | S0 |
| 0.55mm | 1.25mm | 2.9mm | 9mm | 0.84mm |
As shown in Figure 1, embodiment uses the periodic unit array of 20*20, the unit period is 15.5mm in the present invention, respectively
Part-structure size is as shown in table 1, can carry out the selection of corresponding size according to specific design object in practical applications.Work as top
There is consumption layer P in portion1Metal side ring distance unit structure edge gap StOr the width W of metal Fang Huan0When reduction, absorption band
Can be mobile to low frequency, this is mainly due to gap StReduce meeting so that equivalent capacitor C0With inductance L0Increase, so that electric
Hold C0With inductance L0The series resonance frequency of formation becomes smaller, if same side ring width W0Reduce, inductance L can be made0Increase, into
And resonance frequency is made to shift to low frequency.As the lossless layer P in bottom2Peripheral metal side ring width W1When reduction, passband will be to low frequency
Mobile, this is mainly due to width W1Reduction will make equivalent inductance L1Become larger, so that itself and capacitor C2With inductance L2's
The transmission pole that the LC parallel circuit of series circuit composition is controlled becomes smaller, so passband is mobile to low frequency direction.Fig. 8 is specifically retouched
Stated top layer side's ring metal patch to structural unit edge gap StChange the influence to radome transmission performance in the present invention.
It is design innovation of the invention that top layer, which has the asymmetric arrangement of two resistance in consumption layer,.Firstly, the resistance R of top layeres
It is distributed in the midpoint at the two neighboring edge of top-level metallic side's ring, due to the presence of inductance, it will destroy original metal Fang Huan's
Metallic integrity, when four edges whole loading resistor, it will so that the perception of metal Fang Huan is very poor, prevent absorption band is from expiring
Sufficient demand；If simultaneously only in a side loading resistor, and structure can be made not have symmetry, the bipolar of TE, TM will be destroyed
Change stability.By a large amount of simulating, verifyings and theory deduction, asymmetrical resistor loaded mode is optimal design scheme.
For working frequency range signal almost all-transparent effect, and spurious signal at forward entrance frequency multiplication is absorbed, is reversed
External environmental interference signal reflex inhibition is function innovation of the invention at incident frequency multiplication.Top layer has consumption layer only in antenna
It works at the frequency multiplication of working frequency range, the absorption to spurious signal is realized, without making working signal decay；For external environment
Interference signal, antenna house will make its reflection, cannot enter antenna system by antenna house, to better assure that antenna
The steady operation of system.When Fig. 9 and 10 specifically illustrates electromagnetic wave forward and reverse incidence, the laser propagation effect of antenna house.
Transfer curve of the present embodiment in electromagnetic wave forward direction vertical incidence is as shown in figure 9, in 3.05GHz-
3.99GHz band limits is less than the requirement of 5G communication insertion loss 0.8dB, the insertion in 3.4GHz -3.6GHz frequency range
Loss is lower than 0.15dB；In addition, this example has good inhibiting effect to the spurious signal of Antenna Operation frequency range,
6.5GHz the reflection of -7.5GHz frequency range is less than -10.4dB, -13.2dB is transmitted less than, as shown in figure 11, its absorption of the frequency range at this time
Efficiency is greater than 90%, and in the absorptivity of working frequency range less than 2%.Meanwhile it can be found that biography under two kinds of polarization modes of TE, TM
Defeated effect fits like a glove, and meets 5G communication antenna cover design requirement well.
As shown in Figure 10, when describing electromagnetic wave and being reversely incident to antenna house, the influence to radome transmission performance.?
3.07GHz -4.05GHz band limits is less than the requirement of 5G communication insertion loss 0.8dB, in 3.4GHz -3.6GHz frequency range
Interior insertion loss is lower than 0.19dB；In addition, this example has good inhibiting effect to the spurious signal of Antenna Operation frequency range,
- 0.48dB is reflected greater than in 6.5GHz -7.5GHz frequency range, the electromagnetic wave of frequency range incidence is all reflected substantially, is covered well
The band limits of 5G communication system spurious signal is covered, so as to avoid influence of the interference signal to antenna system of external environment,
Realize antenna system high stability.
Therefore, the present invention realizes the low-loss of working signal in 5G communication, forward entrance is spuious at working signal frequency multiplication
The quite stable high-performance of the reflection suppression and dual polarization performance of the external environmental interference signal of the absorption of signal, reversed incidence
Radome design.
Claims (5)
1. a kind of high-performance mobile communication antenna cover, it is characterised in that: the antenna house is by periodic unit close structure arrangement group
At the periodic unit structure includes that consumption layer P is arranged at top1, dielectric layer D0With the lossless metal layer P of bottom2；Consumption layer P is arranged at top1Patch
In dielectric layer D0Upper surface, the lossless metal patch P of bottom2It is affixed on dielectric layer D0Lower surface；Consumption layer P is arranged at the top1By a metal
Fang Huan and two resistance R being welded on Fang HuanesComposition；Metal Fang Huan is located at dielectric layer D0Geometric center at, metal Fang Huan
In adjacent two sides middle open up rectangular aperture, one resistance R of welding arrangement at each rectangular aperturees, resistance ResEven
The metal side ring end of rectangular aperture two sides is connect, the size dimension of metal Fang Huan is less than dielectric layer D0Side length；The bottom without
Consume metal patch P2By the square ring metal patch T for being located at periphery0Be located in the middle " Jerusalem " saltire metal patch T1Group
At wherein " Jerusalem " saltire metal patch T1Positioned at the center of periodic unit structure, be by four T-shaped units in
Heart symmetric mode is circumferentially uniformly at intervals；Square ring metal patch T0Size dimension be equal to dielectric layer D0Side length.
2. a kind of high-performance mobile communication antenna cover according to claim 1, it is characterised in that: the dielectric layer D0It adopts
With Rogers RT5880 plate, dielectric constant 2.2, dielectric loss angle tangent 0.0009.
3. a kind of high-performance mobile communication antenna cover according to claim 1, it is characterised in that: described being incident in is described
The frequency of antenna house electromagnetic wave is 2GHz-9GHz.
4. a kind of high-performance mobile communication antenna cover according to claim 1, it is characterised in that: when electromagnetism in free space
When wave is incident on the antenna house, selectivity can be generated to the electromagnetic wave of specific incident frequencies, so that working frequency range signal is normal
Through；There is the signal of consumption layer for forward entrance to antenna house upper surface, it will form height at two frequency multiplication of Antenna Operation frequency range
The absorption band of absorptivity；High inhibition will be formed at frequency multiplication for the signal that negative sense is incident on the lossless layer in antenna house lower surface
Band is reflected, to realize the inhibition to antenna system spurious signal.
5. a kind of high-performance mobile communication antenna cover according to claims 1 to 4 can be applied to the modern communications such as 5G, radar
And in military communication.
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| CN201811570449.6A CN109509978A (en) | 2018-12-21 | 2018-12-21 | High-performance mobile communication antenna cover |
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|---|---|---|---|
| CN201811570449.6A CN109509978A (en) | 2018-12-21 | 2018-12-21 | High-performance mobile communication antenna cover |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786090A (en) * | 2020-07-06 | 2020-10-16 | 电子科技大学 | Planar broadband transmission array antenna based on liquid crystal adjustable material |
| CN111987470A (en) * | 2020-07-31 | 2020-11-24 | 中国航空工业集团公司济南特种结构研究所 | Broadband high angular stability frequency selective surface |
| CN113745848A (en) * | 2020-05-29 | 2021-12-03 | 华为技术有限公司 | Antenna, use method and communication base station |
| CN117707010A (en) * | 2023-12-21 | 2024-03-15 | 江苏马腾环保科技有限公司 | Mobile communication radome remote automatic alignment control system based on broadband decoupling |
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| WO2014065723A1 (en) * | 2012-10-23 | 2014-05-01 | Saab Ab | Multiscale circuit-analog absorbers |
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| CN209434389U (en) * | 2018-12-21 | 2019-09-24 | 海宁利伊电子科技有限公司 | A kind of high-performance mobile communication antenna cover |
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