CN2838058Y - Probe type dual frequency dual polarization base station antenna - Google Patents
Probe type dual frequency dual polarization base station antenna Download PDFInfo
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- CN2838058Y CN2838058Y CN 200520125370 CN200520125370U CN2838058Y CN 2838058 Y CN2838058 Y CN 2838058Y CN 200520125370 CN200520125370 CN 200520125370 CN 200520125370 U CN200520125370 U CN 200520125370U CN 2838058 Y CN2838058 Y CN 2838058Y
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Abstract
The utility model discloses a probe type dual frequency dual polarization base station antenna, which comprises an antenna cover 6, a bottom plate 8 and a joint 7. The utility model is characterized in that the utility model is composed of a high frequency part 2 and a low frequency part 1, wherein the low frequency part 1 comprises a low frequency patch 21, a low frequency probe 4 and a low frequency feeding network; the high frequency part 2 comprises a high frequency patch, a high frequency probe 3 and a high frequency feeding network; the low frequency probe 4 is connected to the low frequency patch 21, and the high frequency probe 3 is connected to the high frequency patch; the high frequency feeding network and the low frequency feeding network respectively feed power for a radiating unit through a dual polarization 2 path main feeder; the high frequency part and the low frequency part overlap and are alternately and crosswise arranged. The utility model has the advantages of wide frequency band, realization of receiving and transmitting functions, high communication quality, saved number of base stations and reduced use cost, and can realize array plate type antennae with a double frequency dual polarization half-power angle of 65DEG, such as low frequency 2, high frequency 4, low frequency 4, high frequency 8, low frequency 8, high frequency 12 units, etc. which has different gain.
Description
Technical field the utility model relates to a kind of communication base station antenna, particularly a kind of probe-type dual-band and dual-polarization antenna of mobile communication base station.
Background technology is along with the keen competition of China Mobile and CHINAUNICOM, and the gsm system capacity continues to expand, and base station number also straight line increases, and the sub-district area coverage is more and more littler.Because customer volume increases, the speed that re-uses raising of frequency has been unable to catch up with the speed that the user increases, thereby the phase mutual interference increases the decline of quality of services such as speech.Though it is little, in light weight that present employed microstrip antenna has a volume, is easy to advantages such as installation,, can not adapt to the needs of present Communication Development because its frequency band is very narrow.
The summary of the invention the purpose of this utility model provides a kind of novel antenna of mobile communication base station one probe-type dual-band and dual-polarization antenna for base station, and this antenna for base station can be realized dual-band and dual-polarization, the high communication quality, bandwidth.
For realizing that the technical scheme that above-mentioned purpose of the present utility model adopts is: the utility model comprises radome, base plate, joint, its design feature is to be made of HFS and low frequency part, low frequency part contains low frequency paster, low frequency probe and low frequency feeding network, HFS contains high frequency paster, high frequency probe and high frequency feeding network, the low frequency probe is connected on the low frequency paster, and high frequency probe is connected on the high frequency paster; High frequency and low frequency feeding network all are to give the radiating element feed respectively with dual polarization 2 road main feeders; HFS and low frequency part stack and alternate cross arrangement.
The preferred scheme of the utility model is that described high frequency paster contains high frequency upper strata paster and high frequency lower floor paster.
The feeding network of a kind of embodiment low frequency two unit high frequencies of the utility model Unit four is: the high frequency feeding network contains 2 main feeders of dual polarization, 2 one fen four power splitters, 8 branch feeder lines, 2 main feeders of dual polarization and 8 branch feeder lines and 2 one fen four power splitters join, radiofrequency signal arrives 2 one fen four power splitters by 2 main feeders of dual polarization, gives the radiating element feed with signal constant amplitude homophase; Described low frequency feeding network contains 2 main feeders of dual polarization, 2 one-to-two power splitters and 4 branch feeder lines, 2 main feeders of dual polarization and 4 branch feeder lines and 2 one-to-two power splitters join, radiofrequency signal arrives the one-to-two power splitter by 2 main feeders of dual polarization, give the radiating element feed with signal constant amplitude homophase, HFS and low frequency part stack and alternate cross arrangement.
Between low frequency paster and base plate, be provided with coaxial converter, this transducer contains inner wire, outer conductor and medium, and the skin of transducer is an outer conductor, filling medium in the outer conductor, inner wire is positioned in the middle of the medium.
Little, in light weight, the easy-to-install advantage of the volume that the utility model had both possessed microstrip antenna because the utility model contains HFS and low frequency part, can realize two frequency ranges simultaneously simultaneously, realizes dual-band and dual-polarization.Adopt low frequency paster and high frequency paster structure combining, the quadrature coupled component is offset between each unit, isolation effect is good, the bandwidth of the utility model standing-wave ratio below 1.4 is 25%, and frequency range is 824-960/1710-2170MHz, its bandwidth, can realize transmission-receiving function, the high communication quality can be saved base station number, reduces use cost.The utility model has realized that the dual-band and dual-polarization half-power angle is 65 ° low frequency 2 high frequencies 4, low frequency 4 high frequencies 8, and the array Patcho antenna of different gains such as low frequency 8 high frequencies Unit 12 has also been realized the smooth transition of 2G to 3G simultaneously.
Description of drawings
Fig. 1 is the upward view of a kind of embodiment low frequency 2 unit high frequencies of the utility model 4 unit antenna for base station
Fig. 2 is the front view of a kind of embodiment low frequency 2 unit high frequencies of the utility model 4 unit antenna for base station
Fig. 3 is the vertical view of a kind of embodiment low frequency 2 unit high frequencies of the utility model 4 unit antenna for base station
Fig. 4 is the enlarged drawing of I part among Fig. 2
Fig. 5 is the enlarged drawing of II part among Fig. 2
Fig. 6 is the structural representation of III part (coaxial converter) among Fig. 2
Fig. 7 is the upward view of a kind of embodiment low frequency 4 unit high frequency unit 8 antenna for base station of the utility model
Fig. 8 is the vertical view of a kind of embodiment low frequency 4 unit high frequency unit 8 antenna for base station of the utility model
Fig. 9 is the vertical view of a kind of embodiment low frequency of the utility model unit 8 high frequency 12 unit antenna for base station
Figure 10 is the upward view of a kind of embodiment low frequency of the utility model unit 8 high frequency 12 unit antenna for base station
Figure 11 is the vertical view of a kind of embodiment of the utility model
The structural representation of radiating element when Figure 12 adopts the single card sheet for the high frequency paster
Embodiment
By Fig. 1 to Fig. 5 and Figure 12 as can be seen, the utility model comprises radome 6, base plate 8, joint 7, HFS 2 and low frequency part 1, low frequency part 1 contains low frequency paster 21, low frequency probe 4 and low frequency feeding network (unmarked), HFS 2 contains the high frequency paster and (when the high frequency paster is bilayer, is high frequency upper strata paster 15, high frequency lower floor paster 18; When the high frequency paster is monolithic, be high frequency single card sheet 28), high frequency probe 3 and high frequency feeding network (unmarked), low frequency probe 4 is connected on the low frequency paster 21, high frequency probe 3 is connected on (when the high frequency paster is bilayer) on high frequency upper strata paster 15 and the high frequency lower floor paster 18, and perhaps high frequency probe 3 is connected on (when the high frequency paster is monolithic) on the high frequency single card sheet 28; The high frequency feeding network contains 10,2 one fen four power splitters 14 of 2 main feeders of dual polarization and 8 branch feeder lines 12,2 main feeders 10 of dual polarization and 8 branch feeder lines 12 and 2 one fen four power splitters 14 join, radiofrequency signal arrives 2 one fen four power splitters 14 by 2 main feeders of dual polarization 10, gives the radiating element feed with signal constant amplitude homophase; The low frequency feeding network contains 2 main feeders 9 of dual polarization, 2 one-to-two power splitters 13 and 4 branch feeder lines 11,2 main feeders 9 of dual polarization and 4 branch feeder lines 11 and 2 one-to-two power splitters 13 join, radiofrequency signal arrives one-to-two power splitter 13 by 2 main feeders of dual polarization 9, gives the radiating element feed with signal constant amplitude homophase; HFS 2 and low frequency part 1 stack, alternate cross arrangement.
Among Fig. 3, two low frequency probe 4 homophases inputs, because the symmetry of locus, the coupled component that produces on two probes equates, through 180 ° of anti-phase counteractings of antenna back side circuit.In like manner, two also homophase inputs of high frequency probe 3, the symmetry of locus, the coupled component that produces on two probes equate, through 180 ° of anti-phase counteractings of antenna back side circuit.Because high frequency probe 3 ' (probe 3 ' identical with probe 3, adopted 3 for ease of narration ') different with high frequency probe 3 on the locus, after the stack of space point vector, the high-frequency electromagnetic wave phase of I among Fig. 2 part II part that will lag behind, for solving the high frequency waves path difference problem of I part and II part, the cable length that can extend and be connected with 3 ' two probes, make current hysteresis after, with the leading problem of compensation electromagnetic wave in the space.Among Fig. 1,10,2 one fen four power splitters 14 of 2 main feeders of dual polarization and 8 branch feeder lines 12 are finished the high frequency feeding network; 9,2 one-to-two power splitters 13 of 2 main feeders of dual polarization and 4 branch feeder lines 11 are finished the low frequency feeding network.
Radiofrequency signal enters antenna feeding network through 7/16 joint 7, in the high frequency feeding network, arrive one minute four power splitter 14 by dual polarization main feeder 10, one minute four power splitter 14 is given the radiating element feed with signal constant amplitude homophase, last tremendously high frequency probe 3,3 ', high frequency probe 3,3 ' be energized out frequency electromagnetic waves, electromagnetic wave produces surface current on high frequency lower floor paster 18, be coupled on the high frequency upper strata paster 15 again, see through radome 6 then and be radiated free space, form antenna pattern.Dual polarized signals radiate simultaneously, metal base plate 8 and low frequency paster 21 are reflecting mechanisms of frequency electromagnetic waves, it is radiated reflection of electromagnetic wave on it to the forward direction space with high frequency probe 3 and high frequency upper strata paster 15, high frequency lower floor paster 18, makes antenna form directed radiation.Metal base plate 8 also is the reflecting mechanism of low-frequency electromagnetic wave, and it is radiated reflection of electromagnetic wave on it to the forward direction space with low frequency probe 4 and high frequency upper strata paster 15, high frequency lower floor paster 18, makes antenna form directed radiation.The utility model half-power beam width is 65 °, and front and back are than being 25dB.
In Fig. 4, Fig. 5, high frequency upper strata paster support column 16 supports high frequency upper strata paster 15, high frequency lower floor paster support column 19 supports high frequency lower floor paster 18, confine screw 17 and be used to lock high frequency upper strata paster 15, high frequency lower floor paster 18 and low frequency paster 21, simultaneously, low frequency paster support column 22 and coaxial converter 20 play the effect of supporting low frequency paster 21, low frequency probe 4 is connected on the low frequency paster 21, high frequency probe 3 is connected on high frequency upper strata paster 15 and the high frequency lower floor paster 18, and base 23 is used for fixing low frequency probe 4.
Coaxial converter 20 is located between low frequency paster 21 and the base plate 8, and it contains inner wire 26, outer conductor 24 and medium 25, and the skin of transducer 20 is an outer conductor 24, and medium 25 is filled in the outer conductor 24, and inner wire 26 is positioned in the middle of the medium 25, as shown in Figure 6.
As required, also can use the element antenna of single card sheet to form array, as shown in figure 12, HFS only adopts high frequency single card sheet 28, and paster pillar 29 is used to support high frequency single card sheet 28, and high frequency probe 3 is connected on the high frequency single card sheet 28, but this will lose certain frequency bandwidth, its effect can not show a candle to high frequency double applying sheet, because of its principle is identical with above-mentioned high frequency double applying sheet, no longer repeats.
Entire antenna is got up with radome 6 and end cap 5 covers, forms closed system, antenna element and feeding network and whole metal or plastic structural part that protection is inner, and radome uses high-quality PVC plastics to make through the processing and forming of mould.
The upper and lower paster of the utility model HFS adopts different size, the further band width of broadening antenna.
Low frequency 4 unit high frequency unit 8 dual-band and dual-polarization antenna for base station also are to be made of HFS 2 and low frequency part 1, low frequency part 1 contains low frequency paster, low frequency probe 4 and low frequency feeding network, HFS 2 contains high frequency paster, high frequency probe 3 and high frequency feeding network, low frequency probe 4 is connected on the low frequency paster, and high frequency probe 3 is connected on the high frequency paster; The high frequency feeding network is given the radiating element feed with dual polarization 2 road main feeders 10, the low frequency feeding network is given the radiating element feed with dual polarization 2 road main feeders 9, HFS 2 and low frequency part 1 stack, alternate cross arrangement, its upward view and vertical view such as Fig. 7, shown in Figure 8.Low frequency part with 2 one fen four power splitters 14 ', 2 main feeders 9 of dual polarization and divide feeder line 11 to form the low frequency feeding networks; HFS with 14,2 one-to-two power splitters 13 of 4 one fen four power splitters ', 2 main feeders 10 of dual polarization and divide feeder line 12 to form the high frequency feeding networks.Because of its principle is identical with low frequency 2 unit high frequencies 4 unit dual-band and dual-polarization antenna for base station, no longer repeat here.
Low frequency probe or high frequency probe both can be connected on the centre of low frequency paster or high frequency paster, also can be connected on the angle of paster as required, the feeding classification that also is paster and probe also can be utilized angle feedback form, as shown in figure 11, low frequency probe 4 is connected on the angle of low frequency paster, high frequency probe 3 is connected on the angle of high frequency paster, and the antenna for base station in centre position that its principle and above-mentioned probe are connected on paster is identical, no longer repeats here.
The element number of the utility model HFS and the element number of low frequency part might not be 2: 1 relations, can be adjusted according to the requirement of gain index, promptly increase or reduce some high frequency or low frequency cell at array head or tail.
Claims (3)
1, a kind of probe-type dual-band and dual-polarization antenna for base station, comprise radome (6), base plate (8), joint (7), it is characterized in that constituting by HFS (2) and low frequency part (1), low frequency part (1) contains low frequency paster (21), low frequency probe (4) and low frequency feeding network, and HFS (2) contains high frequency paster, high frequency probe (3) and high frequency feeding network; Low frequency probe (4) is connected on the low frequency paster (21), and high frequency probe (3) is connected on the high frequency paster; The high frequency feeding network is to give the radiating element feed with dual polarization 2 road main feeders (10); The low frequency feeding network is to give the radiating element feed with dual polarization 2 road main feeders (9); HFS 2 and low frequency part 1 stack and alternate cross arrangement.
2,, it is characterized in that described high frequency paster contains high frequency upper strata paster (15), high frequency lower floor paster (18) according to the described probe-type dual-band and dual-polarization of claim 1 antenna for base station.
3, according to claim 1 or 2 described probe-type dual-band and dual-polarization antenna for base station, it is characterized in that between low frequency paster (21) and base plate (8), being provided with coaxial converter (20), coaxial converter (20) contains inner wire (26), outer conductor (24) and medium (25), the skin of transducer (20) is outer conductor (24), medium (25) is filled in the outer conductor (24), and inner wire (26) is positioned in the middle of the medium (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520125370 CN2838058Y (en) | 2005-11-29 | 2005-11-29 | Probe type dual frequency dual polarization base station antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520125370 CN2838058Y (en) | 2005-11-29 | 2005-11-29 | Probe type dual frequency dual polarization base station antenna |
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| Publication Number | Publication Date |
|---|---|
| CN2838058Y true CN2838058Y (en) | 2006-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520125370 Expired - Fee Related CN2838058Y (en) | 2005-11-29 | 2005-11-29 | Probe type dual frequency dual polarization base station antenna |
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| CN (1) | CN2838058Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013075649A1 (en) * | 2011-11-24 | 2013-05-30 | 中国电信股份有限公司 | Dual-frequency dual-polarization antenna |
| CN104051848A (en) * | 2014-07-03 | 2014-09-17 | 广东健博通科技股份有限公司 | Intelligent vertical scanning antenna |
| CN104466362A (en) * | 2014-12-12 | 2015-03-25 | 浙江佳源通讯技术有限公司 | High-gain multi-frequency-band high-speed railway coverage planar antenna |
| CN105206913A (en) * | 2015-04-22 | 2015-12-30 | 董玉良 | Antenna unit, dual-band antenna unit and antenna |
| CN107210541A (en) * | 2014-11-11 | 2017-09-26 | 株式会社Kmw | Mobile base station antenna |
| CN108923133A (en) * | 2018-07-11 | 2018-11-30 | 佛山市三水多恩通讯电器设备有限公司 | Ultra wideband dual polarization microstrip antenna |
| CN109378581A (en) * | 2018-11-22 | 2019-02-22 | 厦门大学 | A kind of circular microstrip paster antenna radiating double frequency whirlpool wave |
| WO2021040254A1 (en) * | 2019-08-30 | 2021-03-04 | Samsung Electronics Co., Ltd. | Dual-band and dual-polarized mm-wave array antennas with improved side lobe level (sll) for 5g terminals |
| WO2022007718A1 (en) * | 2020-07-06 | 2022-01-13 | Huawei Technologies Co., Ltd. | Self-cancelling full duplex antenna array |
-
2005
- 2005-11-29 CN CN 200520125370 patent/CN2838058Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013075649A1 (en) * | 2011-11-24 | 2013-05-30 | 中国电信股份有限公司 | Dual-frequency dual-polarization antenna |
| CN104051848A (en) * | 2014-07-03 | 2014-09-17 | 广东健博通科技股份有限公司 | Intelligent vertical scanning antenna |
| CN107210541A (en) * | 2014-11-11 | 2017-09-26 | 株式会社Kmw | Mobile base station antenna |
| CN104466362A (en) * | 2014-12-12 | 2015-03-25 | 浙江佳源通讯技术有限公司 | High-gain multi-frequency-band high-speed railway coverage planar antenna |
| CN105206913A (en) * | 2015-04-22 | 2015-12-30 | 董玉良 | Antenna unit, dual-band antenna unit and antenna |
| CN108923133A (en) * | 2018-07-11 | 2018-11-30 | 佛山市三水多恩通讯电器设备有限公司 | Ultra wideband dual polarization microstrip antenna |
| CN108923133B (en) * | 2018-07-11 | 2023-09-05 | 佛山市三水多恩通讯电器设备有限公司 | Ultra-wideband dual-polarized microstrip antenna |
| CN109378581A (en) * | 2018-11-22 | 2019-02-22 | 厦门大学 | A kind of circular microstrip paster antenna radiating double frequency whirlpool wave |
| WO2021040254A1 (en) * | 2019-08-30 | 2021-03-04 | Samsung Electronics Co., Ltd. | Dual-band and dual-polarized mm-wave array antennas with improved side lobe level (sll) for 5g terminals |
| US11289824B2 (en) | 2019-08-30 | 2022-03-29 | Samsung Electronics Co., Ltd. | Dual-band and dual-polarized mm-wave array antennas with improved side lobe level (SLL) for 5G terminals |
| WO2022007718A1 (en) * | 2020-07-06 | 2022-01-13 | Huawei Technologies Co., Ltd. | Self-cancelling full duplex antenna array |
| US11374334B2 (en) | 2020-07-06 | 2022-06-28 | Huawei Technologies Co., Ltd. | Self-cancelling full duplex antenna array |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |