CN109659677A - Antenna and its radiating element - Google Patents
Antenna and its radiating element Download PDFInfo
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- CN109659677A CN109659677A CN201811628448.2A CN201811628448A CN109659677A CN 109659677 A CN109659677 A CN 109659677A CN 201811628448 A CN201811628448 A CN 201811628448A CN 109659677 A CN109659677 A CN 109659677A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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Abstract
The present invention relates to a kind of antenna and its radiating elements.A kind of antenna radiation unit, the radiation arm being arranged including two pairs of polarization orthogonals and the balun for supporting the radiation arm and being fed for the radiation arm；The radiation arm being arranged in pairs is diagonally positioned, and is arranged with the outer profile to radiation arm in non-centrosymmetry；Multiple first hollow outs are equipped with inside the radiation arm, to increase the electrical length of the radiation arm.The antenna radiation unit has broadened the working frequency range of antenna radiation unit, improves the working range of antenna radiation unit.Meanwhile asymmetric radiation arm can also improve the collimated beam of sound symmetry and cross polarization ratio of antenna, and then the user experience is improved effect.
Description
Technical field
The present invention relates to mobile communication fields, more particularly to antenna and its radiating element.
Background technique
Along with the high speed development of mobile communication, the performance requirement of mobile communication system is higher and higher, and the performance of antenna
Directly affect the overall performance of mobile communication system.The especially arrival in 5G epoch, power system capacity is higher, transmission rate more
Fastly, the features such as end-to-end time delay is lower undoubtedly also makes the design requirement of antenna-feeder system stringenter, especially the work frequency of antenna
Section and directional diagram consistency.
Traditional base station uses the radiating element of different frequency range to separately constitute array generally to realize multifrequency antenna for base station.It compares
The working frequency range requirement of the radiating element of antenna in traditional base station, 5G antenna radiation unit is wider, and element number is at double
In traditional base station antenna, and size be then traditional base station antenna half it is even more small.And it is different from traditional base station day
The single-row wave cover of line, the application scenarios of 5G antenna need that multiple row unit is motivated to form synthesis wave cover, therefore to each spoke
The coherence request for penetrating element pattern is higher.
Summary of the invention
Based on this, it is necessary to for the relatively narrow problem of antenna radiation unit working frequency range in traditional base station, provide a kind of width
The antenna of working frequency range and the antenna radiation unit and use of high directional diagram the consistency antenna radiation unit.
A kind of antenna radiation unit, radiation arm including the setting of two pairs of polarization orthogonals and supports the radiation arm and is described
The balun of radiation arm feed；The radiation arm being arranged in pairs is diagonally positioned, and with the outer profile to radiation arm in non-central
It is symmetrical arranged；Multiple first hollow outs are equipped with inside the radiation arm, to increase the electrical length of the radiation arm.
Above-mentioned antenna radiation unit increases the electricity length of radiation arm by the way that multiple first hollow outs are arranged inside radiation arm
Degree, to broaden the working frequency range of antenna radiation unit, improves the working range of antenna radiation unit.Meanwhile it is asymmetric
Radiation arm can also improve the collimated beam of sound symmetry and cross polarization ratio of antenna, and then the user experience is improved effect.
First hollow out is formed along multiple directions in one of the embodiments,；And multiple first hollow outs are mutual
Connection.
The edge of the radiation arm is equipped with the second hollow out to recess on the inside of radiation arm in one of the embodiments, with
Increase the electrical length of the radiation arm.
Above-mentioned antenna radiation unit is further increased by the way that the second hollow out concaved towards in radiation arm is arranged outside radiation arm
The electrical length of radiation arm to broaden the working frequency range of antenna radiation unit improves the work model of antenna radiation unit
It encloses, and then the user experience is improved effect.
The outer profile of the radiation arm is triangular in shape or fan-shaped in one of the embodiments, and each radiation arm exists
Both ends far from antenna radiation unit center are respectively provided with outer profile angle；In the pair of radiation arm, at least one radiation arm
At least one outer profile angle is equipped with corner cut structure, so that the outer profile with to radiation arm is arranged in non-centrosymmetry.
Above-mentioned antenna radiation unit makes the antenna radiation unit by the way that corner cut structure is arranged at the outer profile angle of radiation arm
In two profile arms being diagonally arranged it is asymmetric in center.The asymmetric antenna radiation unit can improve the plane wave of antenna
Beam symmetry and cross polarization ratio, to promote user experience effect.
In one of the embodiments, in the radiation arm of two pairs of polarization orthogonals, at least two corner cut structures are equipped with, and
At least two corner cuts structure is adjacent two-by-two, so as to be arranged with the outer profile to radiation arm in non-centrosymmetry.
Corner cut structure there are four being set in the radiation arm of two pairs of polarization orthogonals in one of the embodiments,；Described four
A corner cut structure is adjacent two-by-two, so that the outer profile with to radiation arm is arranged in non-centrosymmetry.
Above-mentioned antenna radiation unit, including two pairs of asymmetrical radiation arms in center, can improve the collimated beam of sound pair of antenna
Title property and cross polarization ratio, to promote user experience effect.
In one of the embodiments, in the radiation arm of two pairs of polarization orthogonals, each radiation arm has a feeding point；
The balun includes the first medium plate and second medium plate of right-angled intersection setting, the first medium plate and the second medium
Respectively there is feeding microstrip line, to support the radiation arm and feed for the radiation arm on plate.
A kind of antenna, including any one above-mentioned antenna radiation unit as described in the examples.
Above-mentioned antenna, including the antenna radiation unit in any one above-mentioned embodiment.By above-mentioned antenna radiation unit structure
At antenna can widen its working frequency range, and optimize its collimated beam of sound symmetry and cross polarization ratio, expire the antenna
The requirements at the higher level of sufficient mobile communication improve the experience effect of user.
It is in the radiation submatrix of array distribution that the antenna, which includes several, in one of the embodiments,；Described in several
Antenna radiation unit, which is intervally arranged, constitutes a radiation submatrix.
The adjacent rows radiation submatrix is axisymmetricly distributed in one of the embodiments,.
Above-mentioned antenna, adjacent rows radiate submatrix reversed arrangement, can make two antenna radiation units axisymmetricly
Corner cut structure is located remotely from each other.The setting can be offseted between radiation submatrix by asymmetric directional diagram because causing apart from too small
Directional diagram orthodontic condition, so as to improve antenna beam convergence and cross polarization ratio.
Detailed description of the invention
Fig. 1 is the schematic top plan view of antenna radiation unit in the application one embodiment.
Fig. 2 a is the first side schematic diagram of first medium plate in the application one embodiment.
Fig. 2 b is the second side schematic diagram of first medium plate in the application one embodiment.
Fig. 2 c is the first side schematic diagram of second medium plate in the application one embodiment.
Fig. 2 d is the second side schematic diagram of second medium plate in the application one embodiment.
Fig. 3 is the standing wave simulation result schematic diagram of antenna radiation unit in the application one embodiment.
Fig. 4 is the isolation simulation result schematic diagram of antenna radiation unit in the application one embodiment.
Fig. 5 is the array structure schematic diagram of antenna in the application one embodiment.
Fig. 6 is the emulation horizontal plane radiation pattern using the antenna of symmetric radiation elements.
Fig. 7 is the emulation horizontal plane radiation pattern of antenna in the application one embodiment.
Wherein, meaning representated by each drawing reference numeral is respectively as follows:
10, antenna radiation unit；
12, dielectric-slab；
102, the first hollow out；
104, the second hollow out；
106, chamfering mechanism；
110, the first radiation arm；
120, the second radiation arm；
122, feeding point；
130, third radiation arm；
140, the 4th radiation arm；
20, balun；
21, first medium plate；
22, second medium plate；
201, the first feeding microstrip line；
202, the first ground connection microstrip line；
203, the second ground connection microstrip line；
204, the second feeding microstrip line；
205, third is grounded microstrip line；
206, the 4th ground connection microstrip line；
210, the first notch；
212, the first protrusion；
214, the second protrusion；
220, the second notch；
222, third protrusion；
224, the 4th protrusion；
30, antenna；
310, submatrix is radiated；
32, the first isolating bar；
34, the second isolating bar.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
The application provides a kind of day that can be broadened working frequency range, improve antenna plane wave beam symmetry and cross polarization ratio
Beta radiation unit also provides a kind of aerial array constituted using the antenna radiation unit.
The application provides a kind of antenna radiation unit 10, is electrically connected by cable and major network, with for emitting and
Receive signal.As depicted in figs. 1 and 2, the antenna radiation unit 10 include the radiation arm that is arranged in pairs and be used to support radiation arm,
It and is the balun 20 of radiation arm feed.Fig. 1 shows the overlooking structure figure of antenna radiation unit 10, which predominantly shows spoke
The shape and structure of arm is penetrated, therefore balun 20 is not shown.Fig. 2 a, Fig. 2 b, Fig. 2 c and Fig. 2 d show each of each dielectric-slab of balun 20
Side structure.
Specifically, which should include at least a pair of radiation arm being arranged in pairs.It may include one
To the radiation arm being arranged in pairs or two pairs of radiation arms being arranged in pairs.Antenna radiation unit 10 includes in embodiment shown in FIG. 1
Two pairs of radiation arms being arranged in pairs, and specifically include the first radiation arm 110, the second radiation arm 120, third radiation arm 130 and
Four radiation arms 140.Wherein, the first radiation arm 110 and third radiation arm 130 are a pair of of radiation arm；Second radiation arm 120 and the 4th
Radiation arm 140 is a pair of of radiation arm.
The present embodiment specifically includes the first radiation arm 110 and the so that antenna radiation unit 10 includes a pair of of radiation arm as an example
Three radiation arms 130.The first radiation arm 110 and third radiation arm 130 being arranged in pairs are answered diagonally positioned, and are connected with center
It connects.Meanwhile first the outer profile of radiation arm 110 and third radiation arm 130 be arranged in non-centrosymmetry.First radiation arm, 110 He
The inside of third radiation arm 130 is respectively equipped with multiple hollow outs, which concaves towards radiation arm edge, to increase by the first radiation arm 110
With the electrical length of third radiation arm 130.For convenience of description, the hollow out being set to inside radiation arm is named as the first hollow out 102.This
In multiple fingers two or more.
The feeding point 122 for feed should be also equipped on first radiation arm 110 and third radiation arm 130, so that balun 20
It is electrically connected with feeding point 122, is fed by balun 20 to the first radiation arm 110 and third radiation arm 130.
The antenna radiation unit 10 concaves towards radiation equipped with multiple in the inside of the first radiation arm 110 and third radiation arm 130
First hollow out 102 at arm edge, in the case where the physical size of antenna radiation unit 10 is constant, the electricity for increasing radiation arm is long
Degree, to broaden the working frequency range of antenna radiation unit 10, improves the working range of antenna radiation unit 10.Meanwhile the
The circumference of one radiation arm 110 and third radiation arm 130 is arranged in non-centrosymmetry, can improve the collimated beam of sound of antenna 30
Symmetry and cross polarization ratio, and then promote the experience effect of user.
In one embodiment, multiple first hollow outs 102 are equipped in a radiation arm, and multiple first hollow outs 102 are along more
A direction forms and is interconnected.
Specifically, as shown in Figure 1, include a pair of of radiation arm with antenna radiation unit 10, and specifically include the first radiation arm
110 and third radiation arm 130 for.For the first radiation arm 110, multiple first hollow outs 102 are formed in the first radiation arm 110
It is interior, including the first hollow out 102 along paper transverse direction and the first hollow out 102 along paper longitudinal direction.It is transversely provided with multiple first hollow outs
102, and be connected to multiple the first lateral hollow outs 102 by the first longitudinal hollow out 102, so that in the first radiation arm 110
Hollow out is all connected to.In other embodiments, one or more first hollow outs 102 can also be transversely provided with, it is longitudinal to be equipped with one
Or multiple first hollow outs 102, and all connections of all first hollow outs 102.For third radiation arm 130, in the first hollow out
102 is identical with 110 structure of the first radiation arm, repeats no more.
The setting and connection of multiple first hollow out 102, can be in the case where radiation arm physical size be constant, larger journey
The overall circumference of the first hollow out of increase by 102 of degree, to increase the first radiation arm 110 for being equipped with the first hollow out 102 and third radiation
The electrical length of arm 130 broadens its working frequency range.
In one embodiment, a radiation arm edge is additionally provided with the second hollow out 104, so that the electricity for increasing radiation arm is long
Degree.
Specifically, as shown in Figure 1, include a pair of of radiation arm with antenna radiation unit 10, and specifically include the first radiation arm
110 and third radiation arm 130 for.For the first radiation arm 110, the second hollow out 104 is formed in the side of the first radiation arm 110
Edge, and to the inner recess of the first radiation arm 110, so that the outer profile of the first radiation arm 110, which has, concaves towards the first radiation arm 110
Internal part.In the embodiment shown in fig. 1, the outer profile of the first radiation arm 110 is set there are two the second hollow out 104.At it
In his embodiment, the outer profile of the first radiation arm 110 is also provided with more second hollow outs 104.It should be noted that second
Hollow out 104 is not connected with the first hollow out 102.For third radiation arm 130, the second hollow out 104 and first of edge setting
110 structure of radiation arm is identical, repeats no more.
The setting of second hollow out 104 can largely increase spoke in the case where radiation arm physical size is constant
The overall circumference of arm outer profile is penetrated, thus increase the electrical length for being equipped with the second radiation arm 120 and electric radiation arm of the second hollow out 104,
Broaden its working frequency range.
The antenna radiation unit 10 of the application is in non-centrosymmetry with the circumference to radiation arm.Following embodiment
It is explained.
In one embodiment, the outer profile of above-mentioned radiation arm is triangular in shape or fan-shaped, and each radiation arm is far from day
The both ends at 10 center of beta radiation unit are respectively provided with outer profile angle.In a pair of of radiation arm, at least the one of at least one radiation arm
A outer profile angle is equipped with corner cut structure, so as to be in non-centrosymmetry with the circumference to radiation arm.
Specifically, still as shown in Figure 1, include a pair of of radiation arm with antenna radiation unit 10, and first is specifically included
For radiation arm 110 and third radiation arm 130.Wherein, the outer profile of the first radiation arm 110 constitutes an approximate right angle trigonometry
Shape, the outer profile of third radiation arm 130 also constitute an approximate right angled triangle.First radiation arm 110 and third radiation arm
130 diagonal settings, specially the right angle phase of the outer profile at the right angle and third radiation arm 130 of the outer profile of the first radiation arm 110
It is right.At the both ends far from 10 center of antenna radiation unit, the first radiation arm 110 also has there are two outer profile angle at an acute angle, the
Three external radiation arms also have there are two outer profile angle at an acute angle.
In the first radiation arm 110 and third radiation arm 130, four of the first radiation arm 110 and third radiation arm 130 are outer
Profile angle answers at least one profile angle to be equipped with corner cut structure.When four foreign steamers of the first radiation arm 110 and third radiation arm 130
One or three in wide angle when being equipped with corner cut structure, the circumference of the first radiation arm 110 and third radiation arm 130 is non-central
Symmetrically.When two in four outer profile angles of the first radiation arm 110 and third radiation arm 130 are equipped with corner cut structure, such as Fig. 1
It is shown, can two corner cut structures be located at same radiation arm；Can also two corner cut structures be located at the ipsilateral of different radiation arms, make
The circumference non-centrosymmetry of first radiation arm 110 and third radiation arm 130.
It is to be appreciated that the outer profile of the radiation arm of antenna radiation unit 10 is triangular in shape in the embodiment of Fig. 1.?
In other embodiments, the outer profile of the radiation arm of the antenna radiation unit 10 can also be fan-shaped.
In one embodiment, radiation arm of the antenna radiation unit 10 of the application including two pairs of polarization orthogonals, and two pairs
The radiation arm of polarization orthogonal is equipped at least two corner cut structures, and at least two corner cut structures are adjacent two-by-two.Two corner cut structures
The outer profile of the adjacent radiation arm that can make two pairs of polarization orthogonals is in non-centrosymmetry two-by-two.
Specifically, as shown in Figure 1, the radiation arm of the antenna radiation unit 10 includes the first radiation arm 110, the second radiation arm
120, third radiation arm 130 and the 4th radiation arm 140.First radiation arm 110 and third radiation arm 130 are in pairs and in diagonally setting
It sets.Second radiation arm 120 and the 4th radiation arm 140 are pairs of and diagonally positioned.
There are four the first radiation arm 110, the second radiation arm 120, third radiation arm 130 and the 4th radiation arm 140 are set in Fig. 1
Chamfering mechanism 106.Wherein, four corner cut structures are adjacent two-by-two, and four corner cut structures are located on the right side of antenna radiation unit 10
It is half of.In other embodiments, four corner cut structures can also be located on the upper, lower half of or left of antenna radiation unit 10
One side of something need to only make to meet the outer profile non-centrosymmetry for being arranged in pairs two radiation arms.
In other examples, the first radiation arm 110, the second radiation arm 120, third radiation arm 130 and the 4th radiation
Arm 140 can also be provided only with two corner cut structures, and two corner cut structures can be adjacent, to be located at different radiation arm groups.
It should be noted that position and the quantity of above-mentioned corner cut structure, are the outer profiles to make the radiation arm being arranged in pairs
It is arranged in non-centrosymmetry.Therefore, other make the outer profile for the radiation arm being arranged in pairs be in non-by the way that corner cut structure is arranged
The symmetrical technical solution of the heart, no matter the quantity of its corner cut structure and position, are understood within the scope of protection of this application.
In a specific embodiment, the antenna radiation unit 10 of the application, plan structure is as shown in Figure 1.The day
Beta radiation unit 10 is including pairs of and diagonally positioned the first radiation arm 110 and third radiation arm 130 and in pairs and in diagonal
The second radiation arm 120 being arranged and the 4th radiation arm 140.Two pairs of radiation arm dual polarization omnidirectional distributions.First radiation arm 110,
Multiple the first hollow outs 102 being connected to are equipped with inside two radiation arms 120, third radiation arm 130 and the 4th radiation arm 140, and each
Hollow out in radiation arm is centrosymmetric.First radiation arm 110, the second radiation arm 120, third radiation arm 130 and the 4th radiation
The edge of arm 140 is additionally provided with the second hollow out 104, and each second hollow out 104 is totally also centrosymmetric.
First radiation arm 110, the second radiation arm 120, third radiation arm 130 and the rectangular triangle of the 4th radiation arm 140
Shape, right angle is diagonally arranged and center connects, and the acute angle of each radiation arm is outer profile angle.Wherein, the right of the first radiation arm 110
Outer profile angle and the second radiation arm 120 top outer profile angle it is adjacent, and the two be equipped with corner cut structure.Second radiation arm
The outer profile angle on the right at 120 following outer profile angle and third radiation arm 130 is adjacent, and the two is equipped with corner cut structure.
Feedback is also respectively provided on first radiation arm 110, the second radiation arm 120, third radiation arm 130 and the 4th radiation arm 140
Electricity point 122.Each feeding point 122 is located at the center of four radiation arms formation.In the embodiment, antenna radiation unit 10 further includes
Dielectric-slab 12.Dielectric-slab 12 is located at below radiation arm, for carrying radiation arm.For convenient for being fed to radiation arm, dielectric-slab
Through-hole there are four being set on 12, and the position of four through-holes corresponds to the position of the feeding point 122 of each radiation arm.
The antenna radiation unit 10 further includes balun 20.Balun 20 is made of first medium plate 21 and second medium plate 22.
The first side of first medium plate 21 is as shown in Figure 2 a, and the second side of first medium plate 21 is as shown in Figure 2 b.Second medium plate
22 second side is as shown in Figure 2 c, and the second side of second medium plate 22 is as shown in Figure 2 d.The middle part of first medium plate 21 is set
There is bottom-up longitudinal first notch 210, the middle part of second medium plate 22 is equipped with longitudinal second notch 220 from up to down,
To allow first medium plate 21 to connect by the first notch 210 with 220 right-angled intersection of the second notch with second medium plate 22.
It is additionally provided with the first protrusion 212 and the second protrusion 214 on first medium plate 21, is additionally provided with third protrusion 222 on second medium plate 22
With the 4th protrusion 224.Position and the feeding point of first protrusion 212, the second protrusion 214, third protrusion 222 and the 4th protrusion 224
122 position is corresponding, so that the first protrusion 212, the second protrusion 214, third protrusion 222 and the 4th protrusion 224 can be inserted
In the through-hole for corresponding to feeding point 122 on dielectric-slab 12.When first medium plate 21 and second medium plate 22 form it is cross-shaped, and
When first protrusion 212, the second protrusion 214, third protrusion 222 and the 4th protrusion 224 are inserted into through-hole, balun 20 can be to spoke
Arm is penetrated to be supported.
For first medium plate 21, in such as Fig. 2 a, the first side of first medium plate 21 is additionally provided with for by electric signal
The first feeding microstrip line 201 being coupled in radiation arm.In such as Fig. 2 b, the second side of first medium plate 21, which is additionally provided with, to be used for
Make the first ground connection microstrip line 202 and the second ground connection microstrip line 203 that radiation arm is grounded.Likewise, for second medium plate 22,
In Fig. 2 c, the first side of second medium plate 22 is additionally provided with the second fed microstrip for coupling electric signal in radiation arm
Line 204.In such as Fig. 2 d, the second side of second medium plate 22 is additionally provided with the third for being grounded radiation arm and is grounded microstrip line
205 and the 4th are grounded microstrip line 206.
Emulation testing is carried out to above-mentioned antenna radiation unit 10, standing wave simulation result is as shown in Figure 3, it can be deduced that, it should
The voltage standing wave ratio of antenna radiation unit 10 is less than 1.5；Its isolation simulation result is as shown in Figure 4, it can be deduced that, the antenna spoke
The isolation for penetrating unit 10 is greater than 20dB.Meanwhile the working frequency of the antenna radiation unit is 2.5GHz to 3.6GHz, bandwidth reaches
To 36.6%.
The application also provides a kind of antenna 30, which includes such as the aerial radiation list in any one above-mentioned embodiment
Member 10.
Specifically, antenna 30 generally comprise several in the antenna radiation unit 10 of array distribution, for for antenna spoke
It penetrates the major network of the feed of unit 10 and connects the cable of major network and antenna radiation unit 10.
The antenna radiation unit 10 includes two pairs of radiation arms being arranged in pairs and is used to support radiation arm and presents for radiation arm
The balun 20 of electricity.Wherein, the radiation arm being arranged in pairs is diagonally positioned, and is in non-centrosymmetry with the outer profile to radiation arm；
Multiple the first hollow outs 102 for concaving towards radiation arm edge are equipped with inside radiation arm, to increase the electrical length of radiation arm.
Above-mentioned antenna 30, including the antenna radiation unit 10 in any one above-mentioned embodiment.By above-mentioned aerial radiation list
The antenna 30 that member 10 is constituted can widen its working frequency range, and optimize its collimated beam of sound symmetry and cross polarization ratio, make the day
Line 30 can satisfy the requirements at the higher level of mobile communication, improve the experience effect of user.
It in one embodiment, can be as shown in figure 5, several antenna radiation units 10, which are intervally arranged, be constituted a radiation
Submatrix 310, several radiation submatrixs are arranged in array to form antenna 30.Meanwhile it being additionally provided between adjacent two column radiation submatrix 310
First isolating bar 32, to improve the isolation between adjacent two column radiation submatrix 310.
Wherein, when radiator vibration 310, which is applied to signal, to be emitted with receiving, different radiation submatrixs 310 can be by same
One feeding network is fed, and can also be fed by different feeding networks.Whether the feeding network of difference radiation submatrix 310
It is identical depending on actual needs depending on.
Further, inside a radiation submatrix 310, be additionally provided between two neighboring antenna radiation unit 10 second every
From item 34, to improve the isolation between two neighboring antenna radiation unit 10.
Below in conjunction with attached drawing 5, it is described from antenna 30 of the specific embodiment to the application.
The application provides a kind of antenna 30, including 32 radiation submatrixs 310.32 radiation submatrixs 310 are in the battle array of 4 rows 8 column
Column arrangement.Constitute each radiation submatrix 310 of antenna 30, each column and column equidistantly distributed, and also equidistantly distributed between each row.Often
A antenna radiation unit 10 of the radiation submatrix 310 including three longitudinal arrangements, and the aerial radiation list in each radiation submatrix 310
First 10 spaced sets.
In the antenna 30, the antenna radiation unit 10 in adjacent rows radiation submatrix 310 is symmetrical set.In conjunction with Fig. 5,
A line radiates in submatrix 310, and the corner cut structure of all antenna radiation units 10 is located at its upper left corner and the upper right corner；Second row spoke
It penetrates in submatrix 310, the corner cut structure of all antenna radiation units 10 is located at its lower left corner and the lower right corner.To make the first row spoke
It penetrates submatrix 310 and the second row radiation submatrix 310 is symmetrical.The arrangement rule that the third line radiates submatrix 310 is identical as the first row,
The arrangement rule that fourth line radiates submatrix 310 is identical as the second row.It is arranged with this, that is, forms array antenna 30 shown in fig. 5.
Emulation testing is carried out to the antenna 30 for the antenna and the application for using conventional symmetrical radiating element to constitute.Conventional symmetrical
The antenna that radiating element is constituted, the analogous diagram in horizontal plane radiation direction are as shown in Figure 6.The horizontal plane radiation side of the application antenna
To analogous diagram it is as shown in Figure 7.It can be concluded that the 20 horizontal plane 3dB beam angle of antenna of the application is 92 degree to 97 degree, main shaft
Cross polarization ratio is greater than 20dB.Compared to traditional antenna, the collimated beam of sound symmetry and cross polarization ratio of the antenna 30 of the application are all
Very big optimization is obtained.
The antenna 30 has been offseted by asymmetric antenna radiation unit 10 and has been led between radiation submatrix 310 because spacing is too small
The antenna pattern of cause distorts situation, has the advantages that simple and compact for structure and high performance and easily fabricated, and installation is facilitated to make
With.Meanwhile compared to the antenna 30 in traditional technology, the antenna 30 of the application is with wide, high gain, cross polarization ratio and isolation
Performance is also more preferable.
Above-mentioned antenna radiation unit 10 and antenna 30 improve the asymmetry of horizontal plane wave beam existing for large scale array antenna
The phenomenon that, the cross polarization ratio of antenna radiation pattern is improved, more reliable guarantee is provided for mobile communication quality.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of antenna radiation unit, which is characterized in that radiation arm and the support radiation including the setting of two pairs of polarization orthogonals
Arm and the balun fed for the radiation arm；The radiation arm being arranged in pairs is diagonally positioned, and with the foreign steamer to radiation arm
Exterior feature is arranged in non-centrosymmetry；Multiple first hollow outs are equipped with inside the radiation arm, to increase the electrical length of the radiation arm.
2. antenna radiation unit according to claim 1, which is characterized in that first hollow out is formed along multiple directions；
And multiple first hollow outs are interconnected.
3. antenna radiation unit according to claim 1, which is characterized in that the edge of the radiation arm is equipped with to radiation arm
Second hollow out of inside recess, to increase the electrical length of the radiation arm.
4. according to claim 1 to antenna radiation unit described in 3 any one, which is characterized in that the foreign steamer of the radiation arm
Wide triangular in shape or fan-shaped, each radiation arm is respectively provided with outer profile angle at the both ends far from antenna radiation unit center；
In the pair of radiation arm, at least one outer profile angle of at least one radiation arm is equipped with corner cut structure, so that described same
The outer profile of radiation arm is arranged in non-centrosymmetry.
5. antenna radiation unit according to claim 4, which is characterized in that in the radiation arm of two pairs of polarization orthogonals,
Equipped at least two corner cut structures, and at least two corner cuts structure is adjacent two-by-two, so as to be in the outer profile to radiation arm
Non-centrosymmetry setting.
6. antenna radiation unit according to claim 5, which is characterized in that set in the radiation arm of two pairs of polarization orthogonals
There are four corner cut structures；Four corner cut structures are adjacent two-by-two, so that the outer profile with to radiation arm is in non-central right
Claim setting.
7. antenna radiation unit according to claim 6, which is characterized in that in the radiation arm of two pairs of polarization orthogonals,
Each radiation arm has a feeding point；
The balun includes the first medium plate and second medium plate of right-angled intersection setting, the first medium plate and described second
Respectively there is feeding microstrip line, to support the radiation arm and feed for the radiation arm on dielectric-slab.
8. a kind of antenna, which is characterized in that including antenna radiation unit as claimed in any one of claims 1 to 7.
9. antenna according to claim 8, which is characterized in that the antenna includes that several are in the radiator of array distribution
Battle array；Several described antenna radiation units, which are intervally arranged, constitutes a radiation submatrix.
10. antenna according to claim 9, which is characterized in that the adjacent rows radiation submatrix is axisymmetricly distributed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811628448.2A CN109659677A (en) | 2018-12-28 | 2018-12-28 | Antenna and its radiating element |
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| CN201811628448.2A CN109659677A (en) | 2018-12-28 | 2018-12-28 | Antenna and its radiating element |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098477A (en) * | 2019-05-16 | 2019-08-06 | 京信通信技术(广州)有限公司 | Irradiation structure and array antenna |
| CN110690562A (en) * | 2019-11-04 | 2020-01-14 | 江苏泰科微通讯科技有限公司 | 5G standard 3.5GHz broadband small-sized dual-polarized oscillator |
| CN111129750A (en) * | 2019-12-20 | 2020-05-08 | 京信通信技术(广州)有限公司 | 5G antenna and radiating element thereof |
| CN111129735A (en) * | 2019-12-31 | 2020-05-08 | 京信通信技术(广州)有限公司 | Broadband radiation unit and array antenna |
| CN111244625A (en) * | 2019-07-02 | 2020-06-05 | 京信通信技术(广州)有限公司 | Dual-frequency dual-polarized antenna and radiating unit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205194847U (en) * | 2015-09-21 | 2016-04-27 | 广东晖速通信技术股份有限公司 | Super wide band vibrator unit of asymmetry double polarization and antenna |
| CN209183718U (en) * | 2018-12-28 | 2019-07-30 | 华南理工大学 | Antenna and its radiating element |
-
2018
- 2018-12-28 CN CN201811628448.2A patent/CN109659677A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205194847U (en) * | 2015-09-21 | 2016-04-27 | 广东晖速通信技术股份有限公司 | Super wide band vibrator unit of asymmetry double polarization and antenna |
| CN209183718U (en) * | 2018-12-28 | 2019-07-30 | 华南理工大学 | Antenna and its radiating element |
Non-Patent Citations (1)
| Title |
|---|
| BIAO LI等: ""Wideband Dual-Polarized Patch Antenna With Low Cross Polarization and High Isolation"", 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS》, vol. 11, pages 427 - 430, XP011489204, DOI: 10.1109/LAWP.2012.2195149 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098477A (en) * | 2019-05-16 | 2019-08-06 | 京信通信技术(广州)有限公司 | Irradiation structure and array antenna |
| CN111244625A (en) * | 2019-07-02 | 2020-06-05 | 京信通信技术(广州)有限公司 | Dual-frequency dual-polarized antenna and radiating unit |
| CN110690562A (en) * | 2019-11-04 | 2020-01-14 | 江苏泰科微通讯科技有限公司 | 5G standard 3.5GHz broadband small-sized dual-polarized oscillator |
| CN111129750A (en) * | 2019-12-20 | 2020-05-08 | 京信通信技术(广州)有限公司 | 5G antenna and radiating element thereof |
| CN111129735A (en) * | 2019-12-31 | 2020-05-08 | 京信通信技术(广州)有限公司 | Broadband radiation unit and array antenna |
| CN111129735B (en) * | 2019-12-31 | 2022-09-27 | 京信通信技术(广州)有限公司 | Broadband radiation unit and array antenna |
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