CN205303669U - Biparting district dual -band base station antenna - Google Patents
Biparting district dual -band base station antenna Download PDFInfo
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- CN205303669U CN205303669U CN201620044774.9U CN201620044774U CN205303669U CN 205303669 U CN205303669 U CN 205303669U CN 201620044774 U CN201620044774 U CN 201620044774U CN 205303669 U CN205303669 U CN 205303669U
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Abstract
The utility model provides a biparting district dual -band base station antenna, include: be used for covering an antenna structure of first sector, an antenna structure includes first array and second array, first array and second array include respectively a plurality of work at the radiating element of the same frequency channel, each radiating element of second array all contains two at least antenna structure 0 that are used for controlling beam width, be used for covering the 2nd antenna structure of second sector, the 2nd antenna structure includes third array and fourth array, third array and fourth array include respectively a plurality of work at the radiating element of the same frequency channel, each radiating element of fourth array all contains two at least parasitic element that are used for controlling beam width, the second sector is opposite with the sensing of first sector, and an antenna structure and the 2nd antenna structure become the axial symmetry. The technical scheme of the utility model the full frequency channel signal that can satisfy " a style of calligraphy " scene covers, can realize that the optimization of each frequency channel covers.
Description
Technical field
This utility model relates to wireless communication field, particularly relates to a kind of biparting district two-band antenna for base station.
Background technology
Current wireless communication system is generally directed to multiple frequency range, especially to meet the wireless communication system of Joint construction and sharing, it is therefore desirable to application can fully cover and meet the antenna equipment that multiple systems application requires in a wireless communication system.
Antenna equipment can realize high frequency electric and electromagnetic mutual conversion by a number of radiating element combination, transmission and the information of reception in whole wireless communication system. In order to meet the requirement covering and optimizing, it is necessary to the structure of antenna dipoles array is carried out careful design. The quantity of antenna dipoles and their physical distribution (size, spacing) structure, can interfere significantly on the radiance of antenna. In particular, if dipole quantity is improper or spacing is inappropriate, aerial array there will be higher secondary lobe and affects radiance.
When the performance of designing antenna, in addition it is also necessary to consider the working frequency range that antenna is concrete. Current domestic 2G (Generation Mobile Telecommunication System technology), 3G (G mobile communication) and 4G (forth generation mobile communication technology) mobile communication system contain the frequency range from 700MHz to 2690MHz, and the best antenna beam angle of declination required by different mobile communication system is different. When multisystem co-sited, for ensureing that inter-system interference is minimum, the Downtilt needed for each system is different. There is bigger vertical beamwidth and relatively low propagation loss due to low-frequency antenna, so under the same terms (position, hang high physical condition), the best angle of declination of low-frequency range system requirements is bigger than the best angle of declination of high band system requirements.
When common antenna working frequency range covers whole mobile communication frequency range, not only to consider the different system requirement for Downtilt, and to consider that low frequency cell presents bigger volume than high frequency unit, need how researching antenna radiating element simultaneously, under undersized constraints, can make the electric property that antenna maintenance is good.
At present for the covering of great majority " yi word pattern " scene, general selection two width list fan antennas are installed back-to-back.
But, existing single fan antenna is larger in size, and the scene less for pole bearing capacity is inapplicable, and is discord with local environment.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of biparting district two-band antenna for base station, it is possible to the full frequency band signal meeting " yi word pattern " scene covers, and low-frequency range and high band antenna array structure independent regulation, it may be achieved the optimization of each frequency range covers.
For solving above-mentioned technical problem, embodiment of the present utility model provides technical scheme as follows:
On the one hand, it is provided that a kind of biparting district two-band antenna for base station, including:
For covering the first antenna structure of the first sector, described first antenna structure includes the first array and the second array, described first array and the second array include multiple radiating element being operated in similar frequency bands respectively, and each radiating element of described second array all comprises at least two for controlling the parasitic element of beam angle;
For covering the second antenna structure of the second sector, described second antenna structure includes the 3rd array and the 4th array, described 3rd array and the 4th array include multiple radiating element being operated in similar frequency bands respectively, and each radiating element of described 4th array all comprises at least two for controlling the parasitic element of beam angle;
Wherein, described second sector is contrary with the sensing of described first sector, described first antenna structure becomes axial symmetry, described first array and described second array to be operated in different frequency range with described second antenna structure, and described 3rd array and described 4th array are operated in different frequency range.
Further, described first array works under high band, and described second array works under low-frequency range;
Described 3rd array works under high band, and described 4th array works under low-frequency range.
Further, the high band array antenna that 3dB ripple wide is 65 �� that described first array is made up of dual polarization vibrator forms, and the low-frequency range array antenna that 3dB ripple wide is 65 �� that described second array is made up of dual polarization vibrator forms;
The high band array antenna that 3dB ripple wide is 65 �� that described 3rd array is made up of dual polarization vibrator forms, and the low frequency end array antenna that 3dB ripple wide is 65 �� that described 4th array is made up of dual polarization vibrator forms.
Further, described high band is 1710-2690MHz, and described low-frequency range is 698-960MHz.
Further, in described radiating element, the length of parasitic element is 0.5* �� 2, wherein �� 2 wavelength corresponding to radiating element mid frequency.
Further, described parasitic element is for adopting printed circuit board (PCB) or adopting metal to make.
Further, the first array of described first antenna structure and the second array are fixed on the first metallic reflection plate;
3rd array and the 4th array of described second antenna structure are fixed on the second metallic reflection plate.
Further, the parasitic element of described first antenna structure, by the fixing hole on described first metallic reflection plate, is fixed on by described second array;
The parasitic element of described second antenna structure, by the fixing hole on described second metallic reflection plate, is fixed on by described 4th array.
Further, described first antenna structure and described second antenna structure are arranged in same cylindrical antenna cover.
Further, described first array is identical with described 3rd array, described second array is identical with described 4th array, distance between described first antenna structure and described second antenna structure is d, wherein, 0.25 �� 2 < d < �� 1, �� 1 wavelength corresponding to radiating element mid frequency in described first array.
Embodiment of the present utility model has the advantages that
The biparting district two-band antenna for base station of the present embodiment can be operated under 2G, 3G and 4G system simultaneously, it is achieved multisystem website shares, thus reducing terrace antenna amount, makes flooring station or steel tower station succinct; And apply the compact mode of structuring the formation and make antenna overall dimensions reduce, it is not only able to reduce pole stress, additionally it is possible to make antenna and external environment condition blend.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment biparting district two-band antenna for base station;
Fig. 2 is the schematic side view of this utility model embodiment biparting district two-band antenna for base station;
Fig. 3 is the enlarged diagram of part A shown in Fig. 2;
Fig. 4 is the structural representation of this utility model embodiment the second antenna structure;
Fig. 5 is the front elevational schematic of this utility model embodiment the second antenna structure;
Fig. 6 is the enlarged diagram of part B shown in Fig. 5;
Fig. 7 is the schematic side view of this utility model embodiment the second antenna structure;
Fig. 8 is the enlarged diagram of C portion shown in Fig. 7.
Detailed description of the invention
For making embodiment of the present utility model solve the technical problem that, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiment of the present utility model provides a kind of biparting district two-band antenna for base station, it is possible to the full frequency band signal meeting " yi word pattern " scene covers, and low-frequency range and high band antenna array structure independent regulation, it may be achieved the optimization of each frequency range covers.
As shown in Figure 1-Figure 3, the biparting district two-band antenna for base station of the present embodiment, including:
For covering the first antenna structure 1 of the first sector, described first antenna structure includes the first array and the second array, described first array and the second array include multiple radiating element being operated in similar frequency bands respectively, and each radiating element of described second array all comprises at least two for controlling the parasitic element of beam angle;
For covering the second antenna structure 2 of the second sector, described second antenna structure includes the 3rd array and the 4th array, described 3rd array and the 4th array include multiple radiating element being operated in similar frequency bands respectively, and each radiating element of described 4th array all comprises at least two for controlling the parasitic element of beam angle;
Wherein, described second sector is contrary with the sensing of described first sector, described first antenna structure becomes axial symmetry, described first array and described second array to be operated in different frequency range with described second antenna structure, and described 3rd array and described 4th array are operated in different frequency range.
The biparting district two-band antenna for base station of the present embodiment can be operated under 2G, 3G and 4G system simultaneously, it is achieved multisystem website shares, thus reducing terrace antenna amount, makes flooring station or steel tower station succinct; And apply the compact mode of structuring the formation and make antenna overall dimensions reduce, it is not only able to reduce pole stress, additionally it is possible to make antenna and external environment condition blend.
Further, owing to the first array and the second array are operated in different frequency range, 3rd array and the 4th array are operated in different frequency range, therefore, disclosure satisfy that the full frequency band signal of " yi word pattern " scene covers, and the antenna array structure of different frequency range can independent regulation, it may be achieved the optimization of each frequency range covers.
Specifically, described first array works under high band, and described second array works under low-frequency range; Described 3rd array works under high band, and described 4th array works under low-frequency range. Such low-frequency range and high band antenna array structure can independent regulation, it may be achieved the optimization of each frequency range covers.
In specific embodiment, the high band array antenna that 3dB ripple wide is 65 �� that described first array can be made up of dual polarization vibrator forms, and the low-frequency range array antenna that 3dB ripple wide is 65 �� that described second array can be made up of dual polarization vibrator forms;
The high band array antenna that 3dB ripple wide is 65 �� that described 3rd array can be made up of dual polarization vibrator forms, and the low frequency end array antenna that 3dB ripple wide is 65 �� that described 4th array can be made up of dual polarization vibrator forms.
Further, above-mentioned high band is 1710-2690MHz, and low-frequency range is 698-960MHz, and the biparting district two-band antenna for base station of this sample embodiment can cover low-frequency range 698-960MHz and high band 1710-2690MHz simultaneously.
Further, described first array is identical with described 3rd array, described second array is identical with described 4th array, first antenna structure is identical with the structure of the second antenna structure, in described radiating element in every day line structure, the length of parasitic element is 0.5* �� 2, wherein �� 2 wavelength corresponding to radiating element mid frequency.
Specifically, described parasitic element can adopt printed circuit board (PCB) or adopt metal to make, by coupling in the radiating element of the second array or the 4th array.
Further, as Figure 4-Figure 6, every day, the aerial array of line structure was each attached on same metallic reflection plate, and specifically, the first array of described first antenna structure and the second array are fixed on the first metallic reflection plate; 3rd array and the 4th array of described second antenna structure are fixed on the second metallic reflection plate.
First metallic reflection plate is provided with fixing hole, the parasitic element of described first antenna structure is by the fixing hole on described first metallic reflection plate, it is fixed on by described second array, parasitic element can be fixed on by the second array by supporter, the shape of supporter does not limit, as long as parasitic element can be supported, specifically, the shape of supporter can be rectangle;
Second metallic reflection plate is provided with fixing hole, the parasitic element of described second antenna structure is by the fixing hole on described second metallic reflection plate, it is fixed on by described 4th array, as shown in Figs. 7-8, parasitic element can be fixed on by the second array by supporter, and the shape of supporter does not limit, as long as parasitic element can be supported, specifically, the shape of supporter can be rectangle.
Owing to first antenna structure and the second antenna structure are as a whole, further, described first antenna structure and described second antenna structure can be arranged on the same day in irdome, the shape of this antenna house does not limit, as long as first antenna structure and the second antenna structure can be held, specifically, the shape of antenna house can be cylindrical.
Further, described first array is identical with described 3rd array, described second array is identical with described 4th array, described first antenna structure is identical with the structure of described second antenna structure, distance between described first antenna structure and described second antenna structure is d, wherein, 0.25 �� 2 < d < �� 1, �� 1 wavelength corresponding to radiating element mid frequency in described first array.
The biparting district two-band antenna for base station of the present embodiment can be operated under 2G, 3G and 4G system simultaneously, it is achieved multisystem website shares, thus reducing terrace antenna amount, makes flooring station or steel tower station succinct; And apply the compact mode of structuring the formation and make antenna overall dimensions reduce, it is not only able to reduce pole stress, additionally it is possible to make antenna and external environment condition blend. The first array and the second array additionally, due to first antenna structure are operated in high band and low-frequency range respectively, 3rd array of the second antenna structure and the 4th array are operated in high band and low-frequency range respectively, enable to low-frequency range and high band antenna array structure independent regulation, it may be achieved the optimization of each frequency range covers.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the premise without departing from principle described in the utility model; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a biparting district two-band antenna for base station, it is characterised in that including:
For covering the first antenna structure of the first sector, described first antenna structure includes the first array and the second array, described first array and the second array include multiple radiating element being operated in similar frequency bands respectively, and each radiating element of described second array all comprises at least two for controlling the parasitic element of beam angle;
For covering the second antenna structure of the second sector, described second antenna structure includes the 3rd array and the 4th array, described 3rd array and the 4th array include multiple radiating element being operated in similar frequency bands respectively, and each radiating element of described 4th array all comprises at least two for controlling the parasitic element of beam angle;
Wherein, described second sector is contrary with the sensing of described first sector, described first antenna structure becomes axial symmetry, described first array and described second array to be operated in different frequency range with described second antenna structure, and described 3rd array and described 4th array are operated in different frequency range.
2. biparting district according to claim 1 two-band antenna for base station, it is characterised in that described first array works under high band, and described second array works under low-frequency range;
Described 3rd array works under high band, and described 4th array works under low-frequency range.
3. biparting district according to claim 2 two-band antenna for base station, it is characterised in that
The high band array antenna that 3dB ripple wide is 65 �� that described first array is made up of dual polarization vibrator forms, and the low-frequency range array antenna that 3dB ripple wide is 65 �� that described second array is made up of dual polarization vibrator forms;
The high band array antenna that 3dB ripple wide is 65 �� that described 3rd array is made up of dual polarization vibrator forms, and the low frequency end array antenna that 3dB ripple wide is 65 �� that described 4th array is made up of dual polarization vibrator forms.
4. biparting district according to claim 2 two-band antenna for base station, it is characterised in that described high band is 1710-2690MHz, and described low-frequency range is 698-960MHz.
5. biparting district according to claim 1 two-band antenna for base station, it is characterised in that in described radiating element, the length of parasitic element is 0.5* �� 2, wherein �� 2 wavelength corresponding to radiating element mid frequency.
6. biparting district according to claim 1 two-band antenna for base station, it is characterised in that described parasitic element is for adopting printed circuit board (PCB) or adopting metal to make.
7. biparting district according to claim 1 two-band antenna for base station, it is characterised in that the first array of described first antenna structure and the second array are fixed on the first metallic reflection plate;
3rd array and the 4th array of described second antenna structure are fixed on the second metallic reflection plate.
8. biparting district according to claim 7 two-band antenna for base station, it is characterised in that
The parasitic element of described first antenna structure, by the fixing hole on described first metallic reflection plate, is fixed on by described second array;
The parasitic element of described second antenna structure, by the fixing hole on described second metallic reflection plate, is fixed on by described 4th array.
9. biparting district according to claim 1 two-band antenna for base station, it is characterised in that described first antenna structure and described second antenna structure are arranged in same cylindrical antenna cover.
10. biparting district according to claim 1 two-band antenna for base station, it is characterized in that, described first array is identical with described 3rd array, described second array is identical with described 4th array, distance between described first antenna structure and described second antenna structure is d, wherein, 0.25 �� 2 < d < �� 1, �� 1 wavelength corresponding to radiating element mid frequency in described first array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620044774.9U CN205303669U (en) | 2016-01-18 | 2016-01-18 | Biparting district dual -band base station antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620044774.9U CN205303669U (en) | 2016-01-18 | 2016-01-18 | Biparting district dual -band base station antenna |
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| CN205303669U true CN205303669U (en) | 2016-06-08 |
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| CN201620044774.9U Active CN205303669U (en) | 2016-01-18 | 2016-01-18 | Biparting district dual -band base station antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018068494A1 (en) * | 2016-10-14 | 2018-04-19 | 深圳国人通信股份有限公司 | Dual-frequency ultra-wideband base station antenna |
| CN109119760A (en) * | 2018-09-28 | 2019-01-01 | 南京澳博阳射频技术有限公司 | The array antenna of array antenna beam regulating device and adjustable beam angle |
| CN112640215A (en) * | 2018-08-24 | 2021-04-09 | 康普技术有限责任公司 | Lensed base station antenna with staggered vertical array for azimuth beamwidth stabilization |
-
2016
- 2016-01-18 CN CN201620044774.9U patent/CN205303669U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018068494A1 (en) * | 2016-10-14 | 2018-04-19 | 深圳国人通信股份有限公司 | Dual-frequency ultra-wideband base station antenna |
| CN112640215A (en) * | 2018-08-24 | 2021-04-09 | 康普技术有限责任公司 | Lensed base station antenna with staggered vertical array for azimuth beamwidth stabilization |
| CN112640215B (en) * | 2018-08-24 | 2022-09-23 | 康普技术有限责任公司 | Lensed base station antenna with staggered vertical array for azimuth beamwidth stabilization |
| CN109119760A (en) * | 2018-09-28 | 2019-01-01 | 南京澳博阳射频技术有限公司 | The array antenna of array antenna beam regulating device and adjustable beam angle |
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