CN206040986U - Two beam antenna arrays of dual -frenquency and two beam antenna of dual -frenquency - Google Patents
Two beam antenna arrays of dual -frenquency and two beam antenna of dual -frenquency Download PDFInfo
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- CN206040986U CN206040986U CN201621099895.XU CN201621099895U CN206040986U CN 206040986 U CN206040986 U CN 206040986U CN 201621099895 U CN201621099895 U CN 201621099895U CN 206040986 U CN206040986 U CN 206040986U
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Abstract
The utility model discloses a two beam antenna arrays of dual -frenquency, low -frequency radiation unit array and high frequency radiating element array including nested within each other, the low -frequency radiation unit array comprises a plurality of low -frequency radiation unit subarrays, the adjacent stagger of horizontal direction, high frequency radiating element array comprises a plurality of high frequency radiating element subarrays, the adjacent stagger of horizontal direction, the low -frequency radiation unit subarray is not more than two by the line number, and vertical direction and horizontal direction all adopt the low -frequency radiation unit of inline to constitute, high frequency radiating element subarray is not more than three by the line number, and vertical direction and horizontal direction all adopt the high frequency radiating element of inline to constitute, can support ultra wideband low frequency frequency channel and ultra wideband high frequency frequency channel, realizes all channels communication, and the while can also realize having good horizontal side lobe suppression's directional diagram.
Description
Technical field
This utility model is related to communication technical field, and in particular to the antenna in moving communicating field.
Background technology
With the large-scale use of the mobile intelligent terminals such as smart mobile phone and panel computer, along with Facebook,
The surprising growth of the MSN such as WhatsApp, Twitter and wechat, and the quick of the wireless traffic such as mobile video send out
Exhibition, the data traffic of mobile communication are presented the growth of explosion type, and user proposes higher and higher wanting to the capacity of communication system
Ask；The effective method of lift system capacity one is that antenna adopts multibeam antenna, the multi-beam of use level face beam splitting
Antenna, the overlay area of conventional single sector can be subdivided into multiple sectors, and radio channel capacity is multiplied.On the other hand, mesh
It is front in order to meet the requirement in mobile communication to high speed data transfer, domestic and international Ge great operators are being greatly developed with TD-LTE
With forth generation (abbreviation 4G) mobile communication technology based on two kinds of standards of FDD-LTE.So that nowadays, 2G, 3G and will popularize
4G LTE networks are simultaneously deposited.For compatible various communication standards, site resource is saved, reduce number of antennas, make multiple different frequency ranges
System simultaneously exist, need using the antenna for base station that can be operated in different frequency range simultaneously.
The United States Patent (USP) of existing Patent No. US20110205119A1 proposes the Butler for being used in mixed way 2 × 3 and 2 × 4
The two-beam antenna that matrix circuit is formed, the azimuth Sidelobe Suppression performance with 20dB；Chinese patent 201210207884.9
Square grid and triangular lattice alternating pattern is proposed, the dualbeam of the azimuth Sidelobe Suppression performance with 18dB is formed
Antenna.But their bandwidth of operation only have 25% (1710-2200MHz), it is impossible to while the 2300 and 2600MHz of compatibility 4G LTE
Frequency range, it is impossible to accomplish ultra-wideband (1710-2700MHz). and simply single frequency range, it is impossible to while taking into account two frequency ranges.
Utility model content
In view of this, this utility model provides a kind of two beam antenna array of double frequency and two beam antenna of double frequency, to realize
Ultra-wideband and simultaneously compatible two frequency ranges.
This utility model adopts the following technical scheme that construction two beam antenna array of double frequency, including mutually nested low frequency
Radiation cell array and high frequency radiating element array；Low frequency radiating element array is by multiple low frequency radiating element subarrays, level
The adjacent staggered composition in direction；High frequency radiating element array is by multiple high frequency radiating element subarrays, the adjacent mistake of horizontal direction
Open and rearrange；Low frequency radiating element subarray is not more than two by line number, and both vertically and horizontally all adopts straight line to arrange
The low frequency radiating element composition of row；High frequency radiating element subarray is not more than three by line number, and both vertically and horizontally all
Constituted using the high frequency radiating element of linear array.
Preferably, the spacing that staggers that neighboring low radiating element subarray is staggered is 0.4～0.7 times of low frequency radiation
Column pitch between unit；What adjacent lines between adjacent high frequency radiating element subarray were staggered stagger spacing for 0.4～
Column pitch between 0.7 times of high frequency radiating element.
Preferably, the column pitch between the low frequency radiating element is 1/2nd low frequency centre wavelength；The high frequency
Column pitch between radiating element is 1/2nd high frequency centre wavelength.
Preferably, the line space between the low frequency radiating element array is equal.
Preferably, the line space of the multirow high frequency radiating element between adjacent rows low frequency radiating element is equal, is
First spacing；Line space positioned at the adjacent high frequency radiating element of same a line low frequency radiating element both sides is the second spacing respectively；
First spacing and the second spacing sum are equal to the line space between low frequency radiating element.
Preferably, second spacing is more than the first spacing.
Preferably, the line number of the low frequency radiating element array and be M, the line number of the high frequency radiating element array and not
More than 2M；The low frequency radiating element array often row unit number and the high frequency radiating element array often row unit number is not less than
3。
Preferably, including High Frequency Phase Shifter, the high frequency Wave-packet shaping network being connected with High Frequency Phase Shifter outfan, Yi Jiru
Arbitrary described two beam antenna array of wideband double frequency of claim 1 to 7, two beam antenna array of wideband double frequency and high frequency
Wave-packet shaping network connects；
Also include low frequency phase shifter, the low frequency Wave-packet shaping network being connected with low frequency phase shifter outfan, and such as right
Require 1 to 7 arbitrary described two beam antenna array of wideband double frequency, two beam antenna array of wideband double frequency and low frequency wave beam
Shaping network connects.
Preferably, the low frequency Wave-packet shaping network adopts phase compensating circuit and 2 × 3 butler matrixs to be formed, described
High frequency Wave-packet shaping network adopts phase compensating circuit and 2 × 4 butler matrixs to be formed；The input of butler matrix and phase place
Compensation circuit is connected.
Advantageous Effects of the present utility model are：Two beam antenna array of double frequency of the present utility model is by low frequency radiation list
Element array and high frequency radiating element array is nested with one another and array between offset be arranged to make up, ultra-wide not only can be realized
Frequently, and while support low frequency band and high-frequency band, and the directional diagram suppressed with good horizontal side lobe can be obtained.Using
Two beam antenna Jing of double frequency of the present utility model tests to obtain horizontal direction：Low frequency horizontal side lobe suppresses in more than 16dB, High-frequency water
Flat Sidelobe Suppression is in more than 20dB.The antenna can provide relatively low horizontal plane minor level in the range of ultra-wideband, effectively drop
The low interference to neighbor cell, while a width antenna can support two kinds of frequency range (694-960MHz/1695- simultaneously
2690MHz), the system of multiple different frequency ranges is made while existing, compatible various communication standards are not increasing antenna site and terrace
The channeling of neighbor cell is realized under conditions of resource, network capacity is improved, site resource is saved, and reduces number of antennas.
Description of the drawings
Low frequency beam shaping network structure in Fig. 1 a embodiments one；
High frequency beam shaping network structure in Fig. 1 b embodiments one；
Low frequency wave beam feeding network figure in Fig. 2 a embodiments one；
High frequency wave beam feeding network figure in Fig. 2 b embodiments one；
Two beam antenna array layout viewing of double frequency in Fig. 3 embodiments one；
Two beam antenna low-frequency range horizontal direction directional diagram of double frequency in Fig. 4 a embodiments one；
Two beam antenna high band horizontal direction directional diagram of double frequency in Fig. 4 b embodiments one；
Two beam antenna array layout viewing of double frequency in Fig. 5 embodiments two；
Two beam antenna array layout viewing of double frequency in Fig. 6 embodiments three；
Two beam antenna array layout viewing of double frequency in Fig. 7 example IVs.
Specific embodiment
Embodiment one：
Two beam antenna of double frequency in the present embodiment is operated in low frequency (694-960MHz) and high frequency (1695-2690MHz)
Two wide-bands.
Each wave beam includes phase shifter, Wave-packet shaping network and the aerial array with the network connection.Phase shifter is used for
The wave beam forming of vertical direction, Wave-packet shaping network are used for the wave beam forming of azimuth direction.
Low frequency Wave-packet shaping network adopts phase compensating circuit and 2 × 3 Butlers (Butler) matrix to be formed, high frequency wave beam
Shaping network adopts phase compensating circuit and 2 × 4 Butlers (Butler) matrix to be formed.The input of butler matrix and phase place
Compensation circuit is connected, and the concrete composition figure of low frequency Wave-packet shaping network and high frequency Wave-packet shaping network is shown in Fig. 1 a, 1b.
Each outfan of Wave-packet shaping network will be connected with oscillator of going together, input and the phase shifter phase of Wave-packet shaping network
Even.Low frequency wave beam feeding network figure is shown in Fig. 2 a, and high frequency wave beam feeding network figure is shown in Fig. 2 b.Aerial array is mainly using different rows
Radiating element is offset according to certain rule in the horizontal direction, and the radiating element to offseting in feeding network adds certain phase
Position compensation carrys out suppressed sidelobes, and this arrangement equally increased the oscillator number of array horizontal plane, effectively increase antenna water
The effective aperture of plane, so that improve the Sidelobe Suppression of array horizontal plane.
Such as Fig. 3, two beam antenna array of double frequency in the present embodiment, including mutually nested low frequency radiating element array and
High frequency radiating element array；Low frequency radiating element array is made up of 6 low frequency radiating element subarrays 1, and neighboring low radiation
Unit subarray horizontal direction is staggered；High frequency radiating element array is made up of 12 high frequency radiating element subarrays 2, and phase
Adjacent high frequency radiating element subarray horizontal direction is staggered；Each low frequency radiating element subarray 1 only has a line low frequency cell；
Each high frequency radiating element subarray 2 only has a line high frequency unit.
The unit number that low frequency radiating element subarray 1 is often gone is not less than 3, often the column pitch between row low frequency radiating element
L11 is equal, and column pitch L11 is 1/2nd low frequency centre wavelengths；Line space L12 phases between adjacent lines low frequency radiating element
Deng, and adjacent lines low frequency radiating element is staggered, spacing L13 that staggers is 0.4～0.7 times of column pitch L11.
High frequency radiating element subarray 2 is embedded in low frequency radiating element subarray 1.The every unit number of row high frequency radiating element
Not less than 3.Column pitch L21 often between row high frequency radiating element is equal, and column pitch is 1/2nd high frequency centre wavelengths.It is adjacent
Row high frequency radiating element is staggered, staggers and is spaced about L23 for 0.4～0.7 times of column pitch L21.Adjacent lines high frequency radiation list
The line space of unit has two kinds：
1st, the line space of the two row high frequency radiating elements between adjacent rows low frequency radiating element is the first spacing d1；
2nd, the line space respectively positioned at the adjacent high frequency radiating element of same a line low frequency radiating element both sides is the second spacing
d2。
Second spacing d2 is more than the first spacing d1, makes the row distance between low frequency radiating element and high frequency radiating element most
May pull open, high frequency radiating element be blocked with reducing low frequency radiating element.First spacing d1 and the second spacing d2 sum etc.
Line space L12 between low frequency radiating element, concrete arrangement are shown in Fig. 3.
Two beam antenna of double frequency in the embodiment, Jing test to obtain horizontal directivity pattern such as Fig. 4 a, shown in 4b：Low frequency level
, in more than 16dB, the horizontal Sidelobe Suppression of high frequency is in more than 20dB for Sidelobe Suppression.The antenna can provide in the range of ultra-wideband compared with
Low horizontal plane minor level, effectively reduces the interference to neighbor cell, while a width antenna can support two kinds of frequencies simultaneously
Section (694-960MHz/1695-2690MHz), makes the system of multiple different frequency ranges while existing, compatible various communication standards,
The channeling of neighbor cell is realized under conditions of not increasing antenna site and terrace resource, network capacity is improved, and saves site
Resource, reduces number of antennas.
Embodiment two：
In the arrangement and embodiment one of the two beam antenna array low frequency radiating element subarray 1 of double frequency in the present embodiment
It is identical；High frequency radiating element array is made up of six high frequency radiating element subarrays 2, each high frequency radiating element subarray 2 by
Two row high frequency radiating elements, two row high frequency radiating element horizontal directions are specifically shown in Fig. 5 without offset alignment.Colleague's high frequency radiation list
The column pitch of unit and identical in embodiment one, in the spacing that adjacent rows high frequency radiating element staggers and embodiment one phase
Together, the first spacing and the second spacing also meet the relation in embodiment one.
Embodiment three：
In the arrangement and embodiment one of the two beam antenna array low frequency radiating element subarray 1 of double frequency in the present embodiment
Identical, high frequency radiating element array is made up of four high frequency radiating element subarrays 2, each high frequency radiating element subarray 2 by
Three row high frequency radiating elements, three row high frequency radiating element horizontal directions are specifically shown in Fig. 6 without offset alignment.Colleague's high frequency radiation list
The column pitch of unit and identical in embodiment one, in the spacing that adjacent three rows high frequency radiating element staggers and embodiment one phase
Together, the first spacing and the second spacing also meet the relation in embodiment one.
Example IV：
In the arrangement and embodiment one of the two beam antenna array low frequency radiating element subarray 1 of double frequency in the present embodiment
Identical, high frequency radiating element array is made up of seven high frequency radiating element subarrays 2, first and last high frequency radiation list
First subarray 2 is respectively made up of a line high frequency radiating element, and middle high frequency radiating element subarray 2 is each by two row high frequency radiating elements
Composition, two row high frequency radiating element horizontal directions are specifically shown in Fig. 7 without offset alignment.Colleague high frequency radiating element column pitch with
It is identical in embodiment one, the spacing that adjacent high frequency radiating element subarray staggers and identical in embodiment one, the first spacing
Also the relation in embodiment one is met with the second spacing.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, some deformations and improvement can also be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be defined by claims.
Claims (9)
1. two beam antenna array of a kind of double frequency, it is characterised in that：Including mutually nested low frequency radiating element array and high frequency
Radiation cell array；, by multiple low frequency radiating element subarrays, horizontal direction is adjacent staggered group for low frequency radiating element array
Into；High frequency radiating element array by multiple high frequency radiating element subarrays, the adjacent staggered composition of horizontal direction；Low frequency radiation
Unit subarray is not more than two by line number, and both vertically and horizontally all adopts the low frequency radiating element group of linear array
Into；High frequency radiating element subarray is not more than three by line number, and both vertically and horizontally all adopts the high frequency of linear array
Radiating element is constituted.
2. two beam antenna array of double frequency as claimed in claim 1, it is characterised in that：Neighboring low radiating element subarray water
Square to the staggered spacing that staggers be column pitch between 0.4～0.7 times of low frequency radiating element；Adjacent high frequency radiation list
The staggered spacing that staggers of first subarray horizontal direction is the column pitch between 0.4～0.7 times of high frequency radiating element.
3. two beam antenna array of double frequency as claimed in claim 2, it is characterised in that：Row between the low frequency radiating element
Spacing is 1/2nd low frequency centre wavelength；Column pitch between the high frequency radiating element is 1/2nd high frequency center
Wavelength.
4. two beam antenna array of double frequency as described in claims 1 to 3 is arbitrary, it is characterised in that：The low frequency radiating element
Line space between array is equal.
5. two beam antenna array of double frequency as described in claims 1 to 3 is arbitrary, it is characterised in that：Positioned at adjacent rows low frequency
The line space of two row high frequency radiating elements between radiating element is the first spacing；Respectively positioned at same a line low frequency radiating element two
The line space of the adjacent high frequency radiating element of side is the second spacing；First spacing and the second spacing sum are equal to low frequency radiating element
Between line space.
6. two beam antenna array of double frequency as claimed in claim 5, it is characterised in that：Between second spacing is more than first
Away from.
7. two beam antenna array of double frequency as described in claims 1 to 3 is arbitrary, it is characterised in that：The low frequency radiating element
The line number of array and be M, the line number of the high frequency radiating element array and no more than 2M；The low frequency radiating element array is often gone
Often row unit number is not less than 3 for unit number and the high frequency radiating element array.
8. two beam antenna of a kind of double frequency, it is characterised in that：Including High Frequency Phase Shifter, the height being connected with High Frequency Phase Shifter outfan
Frequency Wave-packet shaping network, and two beam antenna array of double frequency as described in claim 1 to 7 is arbitrary, two wave beam of the double frequency
Aerial array and high frequency beam shaping network connection；
Also include low frequency phase shifter, the low frequency Wave-packet shaping network being connected with low frequency phase shifter outfan, and such as claim 1
To 7 arbitrary described two beam antenna arrays of double frequency, two beam antenna array of the double frequency and low frequency beam shaping network connection.
9. two beam antenna of double frequency as claimed in claim 8, it is characterised in that：The low frequency Wave-packet shaping network adopts phase place
Compensation circuit and 2 × 3 butler matrixs are formed, and the high frequency Wave-packet shaping network adopts phase compensating circuit and 2 × 4 Butlers
Matrix is formed；The input of butler matrix is connected with phase compensating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099895.XU CN206040986U (en) | 2016-09-29 | 2016-09-29 | Two beam antenna arrays of dual -frenquency and two beam antenna of dual -frenquency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099895.XU CN206040986U (en) | 2016-09-29 | 2016-09-29 | Two beam antenna arrays of dual -frenquency and two beam antenna of dual -frenquency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206040986U true CN206040986U (en) | 2017-03-22 |
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ID=58297783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621099895.XU Active CN206040986U (en) | 2016-09-29 | 2016-09-29 | Two beam antenna arrays of dual -frenquency and two beam antenna of dual -frenquency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206040986U (en) |
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2016
- 2016-09-29 CN CN201621099895.XU patent/CN206040986U/en active Active
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