CN107306512A - Pattern/poliarizing antenna device - Google Patents
Pattern/poliarizing antenna device Download PDFInfo
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- CN107306512A CN107306512A CN201680003825.6A CN201680003825A CN107306512A CN 107306512 A CN107306512 A CN 107306512A CN 201680003825 A CN201680003825 A CN 201680003825A CN 107306512 A CN107306512 A CN 107306512A
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- antenna
- pattern
- poliarizing
- poliarizing antenna
- main patterns
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
Abstract
Include that there are one-dimensional or two-dimensional arrangements structure multiple unit pattern/poliarizing antennas according to a kind of pattern/poliarizing antenna device of an embodiment, the multiple unit pattern/poliarizing antenna is with half-wavelength arranged for interval, each unit pattern/poliarizing antenna includes the antenna of more than three, and number of the element number more than or equal to the antenna of the union of the Main Patterns of the antenna in the multiple unit pattern/poliarizing antenna.
Description
Technical field
Technology described herein is related to a kind of pattern/poliarizing antenna device.
Background technology
Existing multi-antenna arrangement by multiple antennas with identical characteristic by, with half-wavelength arranged for interval, utilizing its formation
Wave beam.Because, in the case of the antenna with identical characteristic, if with half-wavelength or smaller arranged for interval, by
Pattern similarity between antenna and close physical distance and the characteristic of channel turns into similar.But, in this case, due to
Not obtaining from multiplexing effect obtained by multiple antennas or for multipath occur in mutually similar characteristic in multiple channels
The shortcoming of the robustness of decline etc..Due to this shortcoming, by multiple identical or dual polarized antenna with half length of grade arranged for interval and profit
Multiple-input and multiple-output (MIMO) communication is carried out with it.However, be also required to antenna in this case with half length of grade arranged for interval, because
This has the shortcomings that antenna space-consuming is big.In addition, in the case of the super multi-antenna technologies such as the extensive MIMO studied recently,
Need to arrange tens to hundreds of antennas, coming back the problem of accordingly, with respect to antenna space-consuming.
On the other hand, multiple antennas with different mode and multiple antennas with different polarization are studied.
Related art document includes Korean Patent Publication No. 2013-0082353 (denominations of invention：Switching mode Wave beam forming antenna
Polyhedral array) and Korean Patent Publication No. 2013-0040536 (denominations of invention：Movement based on polarization of electromagnetic field antenna is led to
Letter system, device and method).
The content of the invention
Technical problem
Pattern, polarized gain can be effectively obtained it is an object of the invention to provide one kind and can be made into small size
Pattern/poliarizing antenna device.Another aspect of the present invention, which provides one kind, can effectively obtain pattern, polarization, spatial gain
And can be made into pattern/poliarizing antenna device of small size.
The means used to solve the problem
Include that there are one-dimensional or two-dimensional arrangements structure multiple unimodulars according to the pattern of an embodiment/poliarizing antenna device
Formula/poliarizing antenna, wherein, the multiple unit pattern/poliarizing antenna is with half-wavelength arranged for interval, in the multiple unimodular
Each unit pattern/poliarizing antenna includes the antenna of more than three, the union of the Main Patterns of the antenna in formula/poliarizing antenna
Element number be more than or equal to the antenna number.
The multiple flat plane antennas for including being located in Different Plane according to the pattern of an embodiment/poliarizing antenna device, wherein,
The multiple flat plane antenna includes having one-dimensional or two-dimensional arrangements structure multiple unit pattern/poliarizing antennas, the multiple
Each unit pattern/poliarizing antenna includes the antenna of more than three, the Main Patterns of the antenna in unit pattern/poliarizing antenna
Union element number be more than or equal to the antenna number.
The effect of invention
Pattern/poliarizing antenna device can effectively obtain pattern, polarized gain and can according to an embodiment of the invention
To be manufactured into small size.Also, according to an embodiment of the invention pattern/poliarizing antenna device can effectively obtain pattern,
Polarization, spatial gain and it can be made into small size.
Brief description of the drawings
Fig. 1 is the accompanying drawing for the example for showing antenna radiation pattern coefficient.
Fig. 2 is the accompanying drawing for showing communication system according to an embodiment of the invention.
Fig. 3 and Fig. 9 are to show the base station of the communication system shown in Fig. 2 or the adoptable pattern of terminal/poliarizing antenna dress
The accompanying drawing for the example put, i.e. show to include the accompanying drawing of the example of pattern/poliarizing antenna device of unit pattern/poliarizing antenna.
Fig. 4 is the accompanying drawing for the example for showing unit pattern/poliarizing antenna shown in Fig. 3.
Fig. 5 to Fig. 8 is the spherical vector waves pattern for showing the antenna included by unit pattern/poliarizing antenna shown in Fig. 3
The accompanying drawing of the example of the distribution of coefficient.
Figure 10 and Figure 11 are the adoptable pattern in the base station/poliarizing antenna device for showing the communication system shown in Fig. 2
The accompanying drawing of another example, i.e. show the accompanying drawing of the example of the pattern with first order structure/poliarizing antenna device.
Figure 12 and Figure 13 are the adoptable pattern in the base station/poliarizing antenna device for showing the communication system shown in Fig. 2
The accompanying drawing of another example, i.e. show the accompanying drawing of the example of the pattern with second order structure/poliarizing antenna device.
Figure 14 is another reality for the adoptable pattern in the base station/poliarizing antenna device for showing the communication system shown in Fig. 2
The accompanying drawing of example, i.e. show the accompanying drawing of the example of pattern/poliarizing antenna device with the 3rd arrangement architecture.
Figure 15 is for illustrating the method using the pattern shown in Fig. 3 or Fig. 9/poliarizing antenna device formation simple beam
Accompanying drawing.
Figure 16 is for illustrating the method using the pattern shown in Fig. 3 or Fig. 9/poliarizing antenna device formation multi-beam
Accompanying drawing.
Figure 17 is for any of the pattern/poliarizing antenna device for illustrating to show into Figure 14 using Figure 10 pattern/pole
Change the accompanying drawing of the method for antenna assembly formation multi-beam.
Embodiment
Technology described below can be subjected to various deformation and exemplified including various embodiments, therefore by particular implementation
In the accompanying drawings and illustrate.However, it should be understood that technology described below is not limited into the specific embodiment, and cover
Cover all modifications, equivalent and the substitute fallen in the thought and scope of the technology being described below.
Although it will be understood that term " first ", " second ", " A " and " B " etc. can be used for respectively for the description present invention herein
Element, but the key element should not be limited by these terms.These terms are only used for distinguishing the key element of the present invention with another key element
Come.For example, in the thought and the limit of scope for not departing from the technology being described below, the first element can be referred to as second will
Element, similarly, the second key element are also referred to as the first element.Also as used herein "and/or" refers to and including associated listed
One or more any and all possible combinations in.
In this specification, singulative includes plural form, unless context is clearly dictated otherwise, and works as
When this is using term " including (comprise) " etc., the feature, entirety, step, operation, element, part and/or its group are indicated
Presence, but Bu Pai Chu ー or other multiple features, entirety, step, operation, element, presence of part and/or its group or
Addition.
Before being described in detail referring to the drawings, it is necessary to it is clear that, to the differentiation of the constituting portion in this specification only
It is the major function taken on by each constituting portion to distinguish.That is, the constituting portion of more than 2 as described below can be combined into one
Individual constituting portion, or a constituting portion are divided into two or more by the difference in functionality of more sectionalization.Also, it is as described below
Each constituting portion can also carry out one in the function that other constituting portion are taken in addition to the major function that oneself is taken on
Divide or all, certainly, the part of functions in the major function that constituting portion is taken on respectively is responsible for performing by other constituting portion.
Also, during the method for execution or operation, unless context clearly dictates otherwise particular order, each step
Can be to be performed different from the order being expressly recited here.In other words, can with the same order, simultaneously
Or reverse order is performed.
Antenna radiation pattern f (θ, φ) can be utilized has the spherical vector waves pattern of orthogonality by following for each pattern
Mathematical expression 1 represent.
[mathematical expression 1]
Wherein, Aα(θ, φ) refers to spherical vector waves pattern, cαRefer to the coefficient of spherical vector waves pattern.Wherein, Aα(θ, φ) is
It is 1 spherical coordinate system according to radius.Also, the exponent number α of spherical vector waves pattern is by α=2 (n (n+1) -1+ (- 1)sM)+τ is true
It is fixed.So as to which spherical vector waves pattern is represented by Aα(θ, φ)=Aτσmn.Wherein, τ refers to horizontal magnetic (TM) or transverse electric (TE) polarization.σ
Refer to the direction of rotary radiation pattern, and s is determined by the value.M and n refer to the coefficient of plural spheric harmonic function.Spherical vector waves pattern
Odd mode is represented as relative to the TM patterns such as such as roof antenna, and idol is represented as relative to the TE patterns such as such as dipole antenna
Digital modeling.As an example, table 1 shows τ, s, m and n value and its exponent number.
[table 1]
| n | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| m | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 |
| s | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 2 | 2 |
| τ | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 |
| α | 3 | 4 | 1 | 2 | 5 | 6 | 11 | 12 | 9 | 10 | 13 | 14 | 7 | 8 | 15 | 16 |
Fig. 1 is the accompanying drawing for the example for showing antenna radiation pattern coefficient.Reference picture 1, when exponent number is 2, coefficient is maximum,
And its value is 0.30.As described above, the exponent number with greatest coefficient is referred to as representing pattern.In the situation of example shown in the drawings
Under, the pattern that represents is 2.Second greatest coefficient is 0.22, and its exponent number is 5, and the summation of greatest coefficient and the second greatest coefficient
For 0.52, it is more than or equal to 0.5.As described above so that the summation of coefficient is more than or equal to the exponent number quilt of 0.5 minimum number
Referred to as Main Patterns.In the case of example shown in the drawings, Main Patterns are { 2,5 }, and the number of Main Patterns is 2.With
In judge a pattern whether be dominant pattern standard it is different according to the performance of acceptance division.It is described above, 0.5 is to be used to sentence
It is disconnected whether be Main Patterns standard, but its value can carry out it is widely varied, such as 0.7,0.9.
Fig. 2 is the accompanying drawing for showing the communication system according to one embodiment of the invention.Reference picture 2, communication system includes base
Stand 210 and terminal 220.Base station 210 can be referred to variously as distribution node, eNodeB, remote antenna dateline according to communication standard
(RRH) etc. is held, and terminal 220 can also be referred to variously as terminal node, user terminal etc. according to communication standard.The base station
210 can include pattern/poliarizing antenna device 212, and the terminal 220 can include, for example, pattern/poliarizing antenna device
222。
Fig. 3 shows the base station of the communication system shown in Fig. 2 or the adoptable pattern of terminal/poliarizing antenna device
Example.Reference picture 3, pattern/poliarizing antenna device 300 includes a unit pattern/poliarizing antenna 310.Unit pattern/polarization day
Line 310 includes multiple antennas 320,330,340 and 350.
Preferably, unit pattern/antenna includes the union of more than antenna of more than three, and three Main Patterns of antenna
In element number be more than or equal to the multiple antenna number.If the master of three antennas included by unit pattern/antenna
It is (2,3,5), (4,5) and (10) to want pattern, then the union of Main Patterns is for the element number of (2,3,4,5,10) and union
5.So as to because the element number (5) of union is more than the number (3) of antenna, thus meet above-mentioned condition.If unit pattern/day
The Main Patterns of three antennas included by line are (3,4), (3) and (4), then the union of Main Patterns is (3,4), and union
Element number is 2.So as to because the element number (2) of union is less than the number (3) of antenna, thus be unsatisfactory for above-mentioned condition.
Preferably, unit pattern/poliarizing antenna 310 is integrated into the half-wave of the working frequency of unit pattern/poliarizing antenna
In long.Generally, working frequency has bandwidth rather than specific frequency.So as to, as long as the half-wavelength of working frequency belongs to
The half-wavelength of any frequency of bandwidth.As described above, in order to which multiple antennas are integrated into half-wavelength, by multiple days
The separately available physical space of line is restricted.Due to the directionality and bandwidth of the antenna as obtained by limited physical space
Limited, each antenna is difficult with the spherical vector waves pattern of high exponent number.It is thus preferable to, the unit pattern/institute of poliarizing antenna 310
Including the Main Patterns of antenna 320,330,340 and 350 be equal to or in 30.
Fig. 4 is the accompanying drawing for the example for showing unit pattern/poliarizing antenna shown in Fig. 3.Reference picture 4, unit pattern/
Poliarizing antenna 400 includes substrate 410, electric field antenna 420,430 and magnetic field antenna 440,450 in substrate 410.Electric field day
Line 420,430 can have the radiation mode for being distributed in even-mode and can be integrated into base in the way of towards different directions
On bottom 410.For example, the electric field antenna 420,430 can use paster antenna to realize.Magnetic field antenna 440,450 can have
It is distributed the radiation mode in odd mode and can be integrated into the way of towards different directions in the substrate 410.Example
Such as, magnetic field antenna 440,450 can use slot antenna to realize.
Fig. 5 is the spherical vector waves mode coefficient for showing the antenna included by unit pattern/poliarizing antenna shown in Fig. 3
The accompanying drawing of the example of distribution.Reference picture 5, c1 αTo c4 αRefer respectively to the spherical vector waves mode coefficient of first to fourth antenna.First
There are a Main Patterns respectively to the 4th antenna, and first to fourth antenna has Main Patterns different from each other.First day
The Main Patterns of line are 2, and the Main Patterns of the second antenna are 3, and the Main Patterns of third antenna are 11, the main mould of the 4th antenna
Formula is 10.As an example, the first antenna with odd mode can use roof antenna to realize.Also, with even
Second antenna of digital modeling can use dipole antenna to realize.
Fig. 6 is the spherical vector waves mode coefficient for showing the antenna included by unit pattern/poliarizing antenna shown in Fig. 3
The accompanying drawing of another example of distribution.Reference picture 6, c1 αTo c4 αRefer respectively to the spherical vector waves mode coefficient of first to fourth antenna.
First to fourth antenna has two Main Patterns respectively.The Main Patterns of first antenna are 2,5, the Main Patterns of the second antenna
For 3,6, the Main Patterns of third antenna are 10,11, and the Main Patterns of the 4th antenna are 8,10.As an example, first to
4th antenna can use directional aerial to realize.Preferably, from any pair obtained by first to fourth antenna of antenna
(antenna 1,2；Antenna 1,3；Antenna 1,4；Antenna 2,3；Antenna 2,4；And antenna 3,4) also have at least one different main mould
Formula.For example, in a pair of antennas being made up of first antenna and the second antenna, first antenna has the master different from the second antenna
Pattern 2,5 is wanted, and the second antenna has the Main Patterns 3,6 different from first antenna.Also, by third antenna and the 4th day
In a pair of antennas of line composition, third antenna has the Main Patterns 11 different from the 4th antenna, and the 4th antenna has and the
The different Main Patterns 8 of triantennary.As described above, when a pair of antennas included by unit pattern/poliarizing antenna have it is different
During Main Patterns, the correlation between the radiation mode of antenna can be reduced.
Fig. 7 is the spherical vector waves mode coefficient for showing the antenna included by unit pattern/poliarizing antenna shown in Fig. 3
The accompanying drawing of another example of distribution.Reference picture 7, c1 αTo c4 αRefer respectively to the spherical vector waves mode coefficient of first to fourth antenna.
First to fourth antenna has two Main Patterns respectively.
As an example, first to fourth antenna includes at least one with identical Main Patterns but with out of phase
To antenna.First antenna and the second antenna have identical Main Patterns 2,5, but with different phases.As an example,
The coefficient of the Main Patterns of first antenna and the second antenna can be c1 2=+0.30, c2 2=+0.30, c1 5=+0.22 and c2 5=-
0.22.Third antenna and the 4th antenna also have identical Main Patterns 4,11, but with different phases.As described above, working as
When unit pattern/poliarizing antenna includes a pair of antennas with identical Main Patterns but with different phases, the spoke of antenna
Correlation between emission mode can be reduced.
As another example, first to fourth antenna is included with identical Main Patterns but by the coefficient of Main Patterns
There is at least one pair of antenna of the correlation less than or equal to 0.7 between the vector of formation.Wherein, vector C1 2、c1 5With vector
c2 2、c2 5Between correlation tried to achieve by following mathematical expression 2.
[mathematical expression 2]
Fig. 8 is the spherical vector waves mode coefficient for showing the antenna included by unit pattern/poliarizing antenna shown in Fig. 3
The accompanying drawing of another example of distribution.Reference picture 8, c1 αTo c4 αRefer respectively to the spherical vector waves mode coefficient of first to fourth antenna.
First to fourth antenna is respectively configured as the antenna for sector.Preferably, each be used for sector antenna have three with
On Main Patterns.First antenna has Main Patterns 3,10 and 12, and the second antenna has Main Patterns 2,11 and 12, the 3rd day
Line has Main Patterns 2,13 and 16, and the 4th antenna has Main Patterns 3,5,9,10 and 14.As described above, when unit pattern/
When a pair of antennas included by poliarizing antenna have different Main Patterns arrangements, the correlation between the radiation mode of antenna can drop
It is low.As an example, unit pattern/poliarizing antenna is included between the vector that is formed of coefficient of spherical vector waves pattern with small
In or equal to 0.7 correlation a pair of antennas.As an example, each vector can include from exponent number for 1 coefficient to
Exponent number is 16 coefficients altogether for 16 coefficient.As another example, each vector can include from exponent number for 1 coefficient to
Exponent number is 30 coefficients altogether for 30 coefficient.
Fig. 9 is the accompanying drawing for the variation for showing unit pattern/poliarizing antenna shown in Fig. 3.Reference picture 9, unit pattern/
Poliarizing antenna 900 includes first area 910 and second area 920.Interval between first area 910 and second area 920 is big
In or equal to working frequency half-wavelength.First area 910 includes one or more antennas 911,912, and second area 920
Including one or more antennas 921,922.Multiple antennas 911,912,921 included by unit pattern/poliarizing antenna 900 and
922 include at least two antennas with different mode and at least two antennas with different polarization.
When multiple antennas are integrated in small space, the interference increase between antenna, so that the performance reduction of each antenna.
If as described above, multiple antennas are arranged in into two regions, because performance reduction can be reduced caused by interference, and passing through mould
The gain of formula/polarization can be improved.
Figure 10 is a reality of the adoptable pattern in the base station/poliarizing antenna device for showing the communication system shown in Fig. 2
The accompanying drawing of example.Reference picture 10, pattern/poliarizing antenna device 1000 includes multiple unit pattern/poles with one dimensional arrangement structure
Change antenna 1010,1020,1030 and 1040.Be shown in the drawings four unit pattern/poliarizing antennas 1010,1020,1030 and
1040.However, different from shown in figure, the unit pattern/poliarizing antenna 1000 with one dimensional arrangement structure can be realized
For less than 4 or more than or equal to 4 pattern/poliarizing antennas.Pattern/the polarization arranged in the horizontal direction is shown in the drawings
Antenna 1010,1020,1030 and 1040.However, different from shown in figure, pattern/poliarizing antenna 1010,1020,1030 and
1040 can be with vertically disposed.As an example, multiple pattern/poliarizing antennas 1010,1020,1030 and 1040 are arranged
On the same plane.As an example, multiple pattern/poliarizing antennas 1010,1020,1030 and 1040 have identical knot
Structure.
Preferably, the interval between multiple pattern/poliarizing antennas 1010,1020,1030 and 1040 is equivalent to pattern/polarization
The half-wavelength of the working frequency of antenna assembly 1000.Generally, working frequency has bandwidth rather than specific frequency.So as to,
As long as the half-wavelength of working frequency belongs to the half-wavelength of any frequency of bandwidth.
Figure 11 be show the pattern with one dimensional arrangement structure/poliarizing antenna device shown in Figure 10 variation it is attached
Figure.Reference picture 11, multiple unit pattern/poliarizing antennas 1110 of the pattern/poliarizing antenna device 1100 including one-dimensional arrangement,
1120th, 1130 and 1140.Each unit pattern/poliarizing antenna is the unit pattern/polarization day for being divided into two regions as shown in Figure 9
Line.Unit pattern/poliarizing antenna 1110 includes first area 1111 and second area 1112.First area 1111 include one or
Multiple antennas 1113,1114, and second area 1112 also includes one or more antennas 1115,1116.Unit pattern/polarization day
Line has half-wavelength interval each other, and first area 1111 and second area 1112 have half-wavelength or bigger interval.As
One example, multiple arrangements of pattern/poliarizing antenna 1010,1020,1030 and 1040 are on the same plane.It is used as an example
Son, multiple unit pattern/poliarizing antennas 1110,1120,1130 and 1140 have identical structure.
The example that pattern/poliarizing antenna is divided into two regions is shown in the drawings.However, being different from shown in figure, unit
Pattern/polarization can be divided into the region of more than three.In this case, the region of more than three can include first area,
From first area in the first direction (e.g., vertically or horizontally direction) with the spaced apart second area of half-wavelength or bigger,
And from second area in the first direction with half-wavelength or bigger spaced apart 3rd region.Also, the region of more than three
Can include first area, from first area in the first direction (for example, vertical direction) with half-wavelength or bigger arranged for interval
Second area and from first area in a second direction (for example, horizontal direction) with half-wavelength or bigger spaced apart
Three regions.
Figure 12 is another reality for the adoptable pattern in the base station/poliarizing antenna device for showing the communication system shown in Fig. 2
The accompanying drawing of example.Reference picture 12, pattern/poliarizing antenna device 1200 includes multiple unit pattern/poles with two-dimensional arrangements structure
Change antenna 1211,1212,1213,1214,1221,1222,1223,1224,1231,1232,1233 and 1234.Show in the accompanying drawings
Go out 12 unit pattern/poliarizing antennas 1211 to 1214,1221 to 1224 and 1231 to 1234.However, be different from shown in figure,
Pattern with two-dimensional arrangements structure/poliarizing antenna device 1200 can be implemented as being less than 12 or equal to or more than 12 patterns/
Poliarizing antenna.For example, multiple pattern/poliarizing antennas 1211 to 1214,1221 to 1224 and 1231 to 1234 are arranged in identical
In plane.For example, multiple pattern/poliarizing antennas 1211 to 1214,1221 to 1224 and 1231 to 1234 have identical structure.
Preferably, the interval phase between multiple pattern/poliarizing antennas 1211 to 1214,1221 to 1224 and 1231 to 1234
When the half-wavelength of the working frequency in pattern/poliarizing antenna device 1200.Generally, working frequency has bandwidth rather than spy
Determine frequency.So as to, as long as the half-wavelength of working frequency belongs to the half-wavelength of any frequency of bandwidth.Multiple moulds
Formula/poliarizing antenna 1211 to 1214,1221 to 1224 and 1231 to 1234 in the first direction (for example, horizontal direction) with half-wavelength
Arranged for interval and in a second direction (for example, vertical direction) are with half-wavelength arranged for interval.
Figure 13 be show the pattern with two-dimensional arrangements structure/poliarizing antenna device shown in Figure 12 variation it is attached
Figure.Reference picture 13, pattern/poliarizing antenna device 1300 includes multiple unit pattern/poliarizing antennas 1310 and one of one dimensional arrangement
Tie up multiple pattern/poliarizing antennas 1320 of arrangement.Unit pattern/poliarizing antenna each other in the horizontal direction have half-wavelength interval and
Vertically between half-wavelength.Be included between two regions of unit pattern/poliarizing antenna have half-wavelength or
Bigger interval, for example, having the interval of a wavelength each other.For example, multiple pattern/poliarizing antennas 1310,1320 are arranged
On the same plane.For example, multiple pattern/poliarizing antennas 1310,1320 have identical structure.
The example that pattern/poliarizing antenna is divided into two regions is shown in the drawings.However, being different from shown in figure, unit
Pattern/polarization can be divided into the region of more than three.In this case, the region of more than three can include first area,
From first area in the first direction (e.g., vertically or horizontally direction) with the spaced apart second area of half-wavelength or bigger,
And from second area in the first direction with half-wavelength or bigger spaced apart 3rd region.Also, the region of more than three
Can include first area, from first area in the first direction (for example, vertical direction) with half-wavelength or bigger arranged for interval
Second area and from first area in a second direction (for example, horizontal direction) with half-wavelength or bigger spaced apart
Three regions.
Figure 14 is another reality for the adoptable pattern in the base station/poliarizing antenna device for showing the communication system shown in Fig. 2
The accompanying drawing of example.Reference picture 14, pattern/poliarizing antenna device 1400 includes multiple unit pattern/poles with three-dimensional arrangement structure
Change antenna.Therefore, pattern/poliarizing antenna device 1400 include multiple flat plane antennas 1410,1420,1430,1440,1450 and
1460.Multiple flat plane antennas 1410,1420,1430,1440,1450 and 1460 are located in Different Plane.Each flat plane antenna bag
Include one-dimensional or two-dimensional arrangements multiple unit pattern/poliarizing antennas 1411,1412,1413 and 1414.Each is shown in the drawings
Flat plane antenna includes the example of multiple unit pattern/poliarizing antennas of two-dimensional arrangement.Shown in figure, reference picture 10 to figure
One-dimensional or two-dimensional arrangements multiple unit pattern/poliarizing antennas of 14 explanations may be used as each flat plane antenna.
Pattern/poliarizing antenna device in hexa-prism is shown in the drawings.However, different from shown in figure, to
The shape of the pattern of three-dimensional arrangement structure/poliarizing antenna device can carry out various modifications.For example, pattern/poliarizing antenna device
Can have includes the various of triangular prism shape, square prism shape, pentagonal prism shape, seven prism shapes, eight prism shapes etc.
Prism shape.For example, pattern/poliarizing antenna device can have cylindrical shape.For example, pattern/poliarizing antenna device can have
Have including the polyhedron-shaped of tetrahedron shape, hexahedral shape etc..For example, pattern/polarization device can have from above-mentioned rib
Mirror shape, cylindrical shape and the polyhedron-shaped middle shape for omitting a surface.For example, pattern/poliarizing antenna device can have
The shape on a surface is omitted from square shaped prism.In this case, pattern/poliarizing antenna device has and is arranged with thereon
Three surfaces of unit pattern/poliarizing antenna.For example, pattern/poliarizing antenna device can have six prisms for eliminating bottom surface
Shape.In this case, pattern/poliarizing antenna device has five surfaces for being arranged with unit pattern/poliarizing antenna thereon.
Preferably, the interval between multiple pattern/poliarizing antennas 1411,1412,1413 and 1414 is equivalent to pattern/polarization
The half-wavelength of the working frequency of antenna assembly 1400.Generally, working frequency has bandwidth rather than specific frequency.So as to,
As long as the half-wavelength of working frequency belongs to the half-wavelength of any frequency of bandwidth.
Above-mentioned there is one-dimensional, two-dimentional and three-dimensional arrangement structure pattern/poliarizing antenna device can effectively be led to
Cross the gain that existing multiple-input and multiple-output (MIMO) method can not be obtained.Especially, the pattern with three-dimensional arrangement structure/polarization day
Line apparatus is being effective along occurring all x, y and z directions in scattered and reflection environment more, and can be obtained and given antenna
Compare the high-transmission capacity close to the upper limit in space.
Figure 15 is for illustrating the method using the pattern shown in Fig. 3 or Fig. 9/poliarizing antenna device formation simple beam
Accompanying drawing.According to Figure 15 method, shape can be come by using the pattern including unit pattern/poliarizing antenna/poliarizing antenna device
Into wave beam.Reference picture 15, by can be by following number by the signal of multiple antenna transmissions positioned at unit pattern/poliarizing antenna
Formula 3 is represented.
[mathematical expression 3]
αH[α1, α2,…,αn..., α(N-1), αN]H
Wherein, αnRefer to by the signal of the n-th antenna transmission, and N refers to the day included by unit pattern/poliarizing antenna
The number of line.N=4 situation is shown in the drawings.As shown in the figure, it is possible to use unit pattern/poliarizing antenna is applicable a ripple
Beam forms weighted value collection to form a wave beam.It can be represented by following mathematical expression 4.
[mathematical expression 4]
Wherein, wnRefer to the Wave beam forming weighted value equivalent to the n-th antenna.In the accompanying drawings, a1w1To a4w4Refer to by
The signal of one to the 4th antenna output, and aHW refers to the signal that space is output to from unit pattern/poliarizing antenna.
Figure 16 is the method for illustrating to pass through the pattern shown in Fig. 3 or Fig. 9/poliarizing antenna device formation multi-beam
Accompanying drawing.According to Figure 16 method, it is possible to use the pattern including unit pattern/poliarizing antenna/poliarizing antenna device is more to be formed
Wave beam.Reference picture 16, can be by using multiple Wave beam forming weighted value collection and with principle of stacking formation multi-beam.It can be by
Following mathematical expression 5 is represented.
[mathematical expression 5]
Wherein, wkRefer to kth Wave beam forming weighted value collection.Also, WK, nRefer to equivalent in kth Wave beam forming weighted value
The Wave beam forming weighted value for the n-th antenna concentrated.
Show to form the reality of wave beam using all antennas included by unit pattern/poliarizing antenna in Figure 15 and Figure 16
Example.However, different from shown in figure, shape can be carried out by using some antennas in the antenna included by unit pattern/poliarizing antenna
Into wave beam.Wherein, some antennas can be according to channel condition, according to pattern/poliarizing antenna characteristic or in view of communication pair
The characteristic of side is selected.Moreover, when forming multiple wave beams with principle of stacking, the first wave beam can use one in multiple antennas
A little antennas (for example, first, second, and third antenna) are formed, and the second wave beam can use it is some other in multiple antennas
Antenna (for example, first, third and fourth antenna) is formed.
Figure 17 is to show any of pattern/poliarizing antenna device for being shown by Figure 10 into Figure 14 pattern/polarization day
The accompanying drawing of the method and apparatus of line apparatus formation multi-beam.According to Figure 17 method, it is possible to use the one-dimensional mould to three-dimensional arrangement
Formula/poliarizing antenna device forms multi-beam.Reference picture 17, am nRefer to by being arranged in m units pattern/poliarizing antenna
The signal of the n-th antenna transmission in multiple antennas.vm nRefer to am nWave beam forming weighted value.M refers to pattern/poliarizing antenna dress
The number of included unit pattern/poliarizing antenna is put, and N refers to the number of the antenna included by pattern/poliarizing antenna device.
It is used as an example, it is possible to use there is model identical/pole in multiple antennas included by multiple unit pattern/poliarizing antennas
Change the antenna of characteristic (for example, a1 1、…、am 1... and aM 1) form wave beam.When forming wave beam as described above, it can form total
Common N number of wave beam.N number of wave beam can be represented by following mathematical expression 6.
[mathematical expression 6]
Wherein, BnRefer to using in each unit pattern/poliarizing antenna the n-th antenna come the wave beam that is formed.
It is shown in the drawings using the M antenna with model identical/polarization characteristic to form the example of wave beam.However,
Shown in figure, some antennas in the M antenna with model identical/polarization characteristic can be used to form wave beam.
Also, different from shown in figure, it is possible to use multiple antennas with model identical/polarization characteristic and with mould unlike this
At least one antenna of formula/polarization characteristic forms wave beam.And, although the reality to form N number of wave beam altogether is shown in the drawings
Example, but some wave beams can omit.In the accompanying drawings, multiple unit pattern/poliarizing antennas included by pattern/poliarizing antenna device
With identical structure.However, different from shown in figure, one or more unit pattern/poliarizing antennas can have with it is other
The different structure of pattern/poliarizing antenna.
Embodiment and accompanying drawing described in this specification are only used for clearly describing the technological concept included by above-mentioned technology
A part.It is readily apparent that general technical staff of the technical field of the invention is in the skill described in the specification
Deformation and specific embodiment can be easily drawn in the range of art concept and above-mentioned technology accompanying drawing.
Claims (14)
1. a kind of pattern/poliarizing antenna device, including with one-dimensional or two-dimensional arrangements structure multiple unit patterns/polarization day
Line,
Wherein, the multiple unit pattern/poliarizing antenna is with half-wavelength arranged for interval,
And each unit pattern/poliarizing antenna includes the antenna of more than three in the multiple unit pattern/poliarizing antenna,
And the element number of the union of the Main Patterns of the antenna is more than or equal to the number of the antenna.
2. pattern according to claim 1/poliarizing antenna device, wherein, the representative pattern of the antenna is both less than or waited
In 30.
3. pattern according to claim 1/poliarizing antenna device, wherein, each described unit pattern/poliarizing antenna is divided
For multiple regions, the multiple region has half-wavelength or bigger interval, and each area in the multiple region each other
Domain has at least one antenna in the antenna.
4. pattern according to claim 1/poliarizing antenna device, wherein, the antenna has a Main Patterns respectively,
And the Main Patterns of the antenna are different from each other.
5. pattern according to claim 1/poliarizing antenna device, wherein, the antenna has two Main Patterns respectively,
And obtainable any pair of antenna has at least one Main Patterns different from each other from the antenna.
6. pattern according to claim 5/poliarizing antenna device, wherein, the antenna includes multiple directional aerials.
7. pattern according to claim 1/poliarizing antenna device, wherein, the antenna has two Main Patterns respectively,
And including at least one pair of antenna with identical Main Patterns but with out of phase.
8. pattern according to claim 1/poliarizing antenna device, wherein, the antenna has two Main Patterns respectively,
And including having a pair of antennas of the correlation less than or equal to 0.7 between the vector that is formed by the coefficient of the Main Patterns.
9. pattern according to claim 8/poliarizing antenna device, wherein, the antenna includes multiple directional aerials.
10. pattern according to claim 1/poliarizing antenna device, wherein, the antenna has the master of more than three respectively
Pattern is wanted, and the antenna between the vector with being formed by the coefficient of spherical vector waves pattern including having less than or equal to 0.7
A pair of antennas of correlation.
11. a kind of pattern/poliarizing antenna device, including multiple flat plane antennas in Different Plane,
Wherein, each flat plane antenna includes having one-dimensional or two-dimensional arrangements structure multiple units in the multiple flat plane antenna
Pattern/poliarizing antenna,
And each unit pattern/poliarizing antenna includes the antenna of more than three in the multiple unit pattern/poliarizing antenna,
And the element number of the union of the Main Patterns of the antenna is more than or equal to the number of the antenna.
12. pattern according to claim 11/poliarizing antenna device, wherein, the representative pattern of the antenna be both less than or
Equal to 30.
13. pattern according to claim 11/poliarizing antenna device, wherein, the multiple pattern/poliarizing antenna is with half-wave
Long arranged for interval.
14. pattern according to claim 11/poliarizing antenna device, wherein, each described unit pattern/poliarizing antenna quilt
Be divided into multiple regions, the multiple region has half-wavelength or a bigger interval each other, and in the multiple region each
Region has at least one antenna in the antenna.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| KR10-2016-0019390 | 2016-02-18 | ||
| KR1020160019390A KR101788443B1 (en) | 2016-02-18 | 2016-02-18 | Pattern/polarization antenna apparatus |
| PCT/KR2016/001694 WO2017142113A1 (en) | 2016-02-18 | 2016-02-22 | Pattern/polarization antenna device |
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| CN107306512A true CN107306512A (en) | 2017-10-31 |
| CN107306512B CN107306512B (en) | 2020-08-18 |
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| CN201680003825.6A Active CN107306512B (en) | 2016-02-18 | 2016-02-22 | Mode/polarization antenna device |
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| KR (1) | KR101788443B1 (en) |
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| WO (1) | WO2017142113A1 (en) |
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| CN110718762A (en) * | 2019-09-17 | 2020-01-21 | 东南大学 | Single-beam 1-bit super surface excited by plane wave vertical incidence |
| CN112186327A (en) * | 2020-10-10 | 2021-01-05 | 深圳市一加一无线通讯技术有限公司 | Amplifying antenna equipment with regular dodecahedron structure |
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- 2016-02-18 KR KR1020160019390A patent/KR101788443B1/en active IP Right Grant
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| CN1451189A (en) * | 2000-03-11 | 2003-10-22 | 安蒂诺瓦有限公司 | Dielectric resonator antenna array with steerable elements |
| FR2862438A1 (en) * | 2003-11-14 | 2005-05-20 | Thomson Licensing Sa | Photonic band gap slot microwave novel manufacture process for slot antennas having x direction single elementary cells row and multiple y direction continuous cells having half wave guide wavelength dimension |
| KR20140004858A (en) * | 2012-07-03 | 2014-01-14 | 한국과학기술원 | Integration structure of slot antenna |
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| CN112186327B (en) * | 2020-10-10 | 2023-11-24 | 深圳市一加一无线通讯技术有限公司 | Amplification antenna equipment with regular dodecahedron structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107306512B (en) | 2020-08-18 |
| WO2017142113A1 (en) | 2017-08-24 |
| KR20170097518A (en) | 2017-08-28 |
| KR101788443B1 (en) | 2017-10-19 |
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