CN204029994U - The compound oscillator antenna for base station of dual polarization - Google Patents
The compound oscillator antenna for base station of dual polarization Download PDFInfo
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- CN204029994U CN204029994U CN201420408076.3U CN201420408076U CN204029994U CN 204029994 U CN204029994 U CN 204029994U CN 201420408076 U CN201420408076 U CN 201420408076U CN 204029994 U CN204029994 U CN 204029994U
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Abstract
The utility model discloses the compound oscillator antenna for base station of a kind of dual polarization, comprise four T-shaped coupling folded dipoles, two half-wave dipoles, ground plate and balanced to unbalanced transformers, four T-shaped coupling folded dipole quadrates arrangements, the placed in the middle and head and the tail of its terminals connect, two half-wave dipoles are separately positioned on foursquare two diagonal, half-wave dipole is by two symmetrical quarter-wave half-wave dipole arm compositions, half-wave dipole arm is connected with the terminals of adjacent T-shaped coupling folded dipole, what connect with two other after two adjacent T-shaped coupling folded dipole series connection adjacent T-shapedly mates folded dipole parallel connection and forms a ultra-wideband antenna with a half-wave dipole compound in parallel again, form two altogether in positive and negative 45 ° of orthogonal ultra-wideband antennas, and be fixed on ground plate by connecting balanced to unbalanced transformer, its structure is simple, compact, isolation is high, lobe width span is little and have ultra-wide impedance bandwidth, the requirement of multiple wireless mobile communications business can be adapted to.
Description
Technical field
The utility model relates to communication technical field, particularly the compound oscillator antenna for base station of a kind of dual polarization for mobile radio system.
Background technology
Along with the development of science and technology, mobile communication more and more plays an important role in people's daily life.The mobile communication standard that operator uses constantly is upgraded, 4G till now again from 2G to 3G, communications band extends to 2700MHz from 800MHz, and 4G technology is gone up in a large number in the whole world especially now, and the frequency range of China 4G TDD standard is divided in 2500MHz-2690MHz.When base station site resource-constrained, different communication standard shared antenna seem be even more important with urgently, the design for existing mobile communication directional bipolarization antenna proposes the requirement of more wideband.The electrical property of antenna requires ultra-wideband, high-gain, high isolation, have good directivity, the convergence of wave beam is good, and cost is low, is suitable for producing the demand that could meet market competition in enormous quantities.
The performance of array antenna depends primarily on the performance of antenna element in array, as module gain, and beamwidth, impedance operator and isolation etc.Existing general dual polarization vibrator: (1) radiating element is tailored radiation structure, folded dipole or half-wave dipole radiation substantially.Folded dipole radiation efficiency is high, and gain is high, but narrow bandwidth; Half-wave dipole band is wide, but radiation efficiency is relatively low, and gain is relatively low; (2) section is large, and namely oscillator arms section is large, and this structure isolation is poor, and cross polarization is bad, and mutual coupling is serious, is unfavorable for organizing battle array; (3) feed complex forms, brings inconvenience to batch production.
The patent No. is the Chinese patent of CN1976124B, provide a kind of double polarization T-type matched folded dipole base station antenna, comprise folded dipole, ground plate, microstrip feed line, folded dipole is T-shaped, two folded dipoles are fixed on same ground plate, in positive and negative 45 ° orthogonal and do not contact, and its underpart is parallel with ground plate and separate with dielectric, but because it uses single T-shaped coupling folded dipole irradiation structure, bandwidth is wide not.
Utility model content
Task of the present utility model is to provide a kind of gain and the bandwidth that can improve dual polarized antenna, improves isolation and cross polarization ratio, reduces the ultrabroad band of mutual coupling, the compound oscillator antenna for base station of dual polarization of high-gain.
The utility model is achieved through the following technical solutions utility model object:
The compound oscillator antenna for base station of dual polarization, comprises four T-shaped coupling folded dipoles, two half-wave dipoles, ground plate and balanced to unbalanced transformers, four T-shaped coupling folded dipole quadrates arrangements, and the placed in the middle and head and the tail of its terminals connect, two half-wave dipoles are separately positioned on foursquare two diagonal of T-shaped coupling folded dipole formation, each half-wave dipole is made up of two symmetrical quarter-wave half-wave dipole arms, half-wave dipole arm is connected with adjacent T-shaped coupling folded dipole, the adjacent T-shaped coupling folded dipole parallel connection of connecting with two other after adjacent two T-shaped coupling folded dipole series connection forms a ultra-wideband antenna with a half-wave dipole compound in parallel again, four T-shaped coupling folded dipoles and four half-wave dipole arms form two altogether in positive and negative 45 ° of orthogonal ultra-wideband antennas, two ultra-wideband antennas are fixed on ground plate by connecting balanced to unbalanced transformer respectively.
Further, described balanced to unbalanced transformer is connected to form asymmetric inverted U-shaped by support and the coaxial feeder that is connected with support, and is fixed on dielectric substrate.
As preferably, support is connected to form by vertical conductor and horizontal conductor, vertical conductor length is quarter-wave, horizontal conductor comprises square conductor and coupled linear conductor, linear conductor forms projection or groove up or down, square conductor is connected with vertical conductor by projection or groove, the inner wire of feeder line is connected with square conductor, and connect a half-wave dipole arm and adjacent with half-wave dipole arm two T-shaped arms mating folded dipole by projection or groove, the outer conductor upper end of feeder line connects another half-wave dipole arm and two adjacent with another half-wave dipole arm T-shaped arms mating folded dipole, another half-wave dipole arm and the half-wave dipole arm be connected on feeder line inner wire are two symmetric arms of same half-wave dipole, the outer conductor lower end of feeder line is connected with dielectric substrate.
Further, described T-shaped coupling folded dipole comprises radiation conductor and lower radiation conductor, upper radiation conductor is rectangle, length is 1/2nd wavelength, its two terminal open circuit, with between lower radiation conductor mutually across a certain distance, and to be linked together by two segment conductors and lower radiation conductor, lower radiation conductor is that the rectangle of chamfering comprises left and right lower radiation conductor, is connected respectively below left and right radiation conductor with terminals.
Further, described half-wave dipole arm comprises two symmetrical L shape conductors, article two, the two ends of L shape conductor are connected to form the square conductor with corner cut mutually, in square conductor two L shape conductors line of symmetry on connect quarter-wave rectangular conductor, the centre of rectangular conductor has the bar-shaped trough that two ends are semicircle, and one end that square conductor is connected with rectangular conductor is connected with the terminals of described T-shaped coupling folded dipole.
Further, the rectangular conductor of described half-wave dipole arm to be two ends be semicircle, has the bar-shaped trough that two ends be semicircle in the middle of it, the terminals of the described T-shaped coupling folded dipole of one end connection of rectangular conductor.
Further, described half-wave dipole arm is be connected to form square conductor with corner cut mutually by two symmetrical L shape conductor two ends, and the angle be positioned in square conductor on the line of symmetry of two L shape conductors is connected with the terminals of described T-shaped coupling folded dipole.
Further, described half-wave dipole arm comprises two symmetrical L shape conductors, article two, the two ends of L shape conductor are connected to form the square conductor with corner cut mutually, in square conductor two L shape conductors line of symmetry on connect quarter-wave rectangular conductor, the centre of rectangular conductor has U-lag, one end in rectangular conductor bottom U-lag connects the terminals of described T-shaped coupling folded dipole, and the openend of U-lag extends to the other end of rectangular conductor and becomes opening in the dihedral that rectangular conductor is connected with square conductor.
The advantage that the utility model hinge structure has: adopt folded dipole to be out of shape rear and half-wave dipole compound, it is in parallel with half-wave dipole again by parallel connection after T-shaped coupling folded dipole series connection, this structure is for common folded dipole, the isolation combining T-shaped coupling folded dipole is high, the feature of the ultra-wide impedance bandwidth of the feature that lobe width span is little and half-wave dipole, not only can realize the impedance matching between transmission system, and oscillator structure symmetry can realize the effect of high-isolation, obtain ultra-wide impedance bandwidth, add the flexibility ratio of debugging, be convenient to change oscillator impedance, easy and feed system realizes impedance matching, when lobe width at 65 °, being applicable to 690-960MHz(relative bandwidth is 32.7%) and 1710-2690MHz(relative bandwidth be 44.5%) frequency band, all frequency band isolations are all greater than 30dB.
Accompanying drawing explanation
Fig. 1 is the structural representation of the compound oscillator antenna for base station of dual polarization of the present utility model;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the front view of coupling folded dipole T-shaped in oscillator compound shown in Fig. 1;
Fig. 4 is the front view of the half-wave dipole arm in oscillator compound shown in Fig. 1;
Fig. 5 is the structural representation of balanced to unbalanced transformer;
Fig. 6 is the front view of the first balanced to unbalanced transformer;
Fig. 7 is the front view of the second balanced to unbalanced transformer;
Fig. 8 is the equivalent circuit diagram of the compound oscillator of dual polarization of the present utility model;
Fig. 9 and Figure 10 is the Breakdown Circuit Diagram of Fig. 8;
Figure 11 is the current distributing figure of the compound oscillator of dual polarization of the present utility model+45 ° polarization excitation;
Figure 12 is the current distributing figure of the compound oscillator of dual polarization of the present utility model-45 ° polarization excitation;
Figure 13 is the second structural representation of oscillator compound shown in Fig. 1;
Figure 14 is the third structural representation of oscillator compound shown in Fig. 1;
The 4th kind of structural representation that Figure 15 is oscillator compound shown in Fig. 1;
The 5th kind of structural representation that Figure 16 is oscillator compound shown in Fig. 1;
Figure 17 is the front view of coupling folded dipole T-shaped in the compound oscillator shown in Figure 16;
The 6th kind of structural representation that Figure 18 is oscillator compound shown in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
A main path of broadening antenna impedance bandwidth widens oscillator arms, namely vibrator diameter is strengthened, thus reduction characteristic impedance, current most broad-band antenna oscillator is all adopt this mode, although it is helpful to widen the raising of oscillator arms to impedance bandwidth, also can increase size and the material usage of antenna element simultaneously.The proposition of the compound oscillator of the dual polarization that the utility model provides is for the principle of broadening impedance bandwidth: first, based on the principle of widening oscillator arms, it what amount to subparticipation radiation is in-phase current composition on two wires, the equivalent diameter being equivalent to oscillator is thicker, characteristic impedance declines, and is conducive to the improvement of impedance bandwidth characteristic; The second, the input impedance of folded dipole part is equivalent to the parallel connection of symmetrical dipole impedance and short-circuit line impedance, and when frequency departure resonance frequency, both compensate mutually, thus it is comparatively mild that input impedance is changed, broadening impedance bandwidth; 3rd, the T matching way of employing then makes the modification of common folded dipole part, realizes the impedance matching between antenna and transmission line system with it, can provide matching properties satisfied within the scope of certain frequency; 4th, compound half-wave dipole on the basis of folded dipole, overall oscillator equivalent impedance is amount to part and half-wave part in parallel, the resonance frequency of such oscillator has just had two, the resonance frequency of a folded dipole, another is the resonance frequency of half-wave dipole, and two resonance frequencys regulate the effect can playing reactance compensation, broadening impedance bandwidth.
As shown in Figure 1, the compound oscillator antenna for base station of dual polarization, comprises four T-shaped coupling folded dipoles 11,12,13,14, two half-wave dipoles, ground plate 8 and balanced to unbalanced transformers 9,10, the terminals head and the tail of adjacent T-shaped coupling folded dipole 11,12,13,14 are vertically connected to form square, on foursquare two diagonal that two half-wave dipole numbers are separately positioned on, each half-wave dipole is by two symmetrical quarter-wave half-wave dipole arms 15, 17 or 16, 18 compositions, half-wave dipole arm 15, 16, 17, 18 T-shapedly mate folded dipole 11 with adjacent, 12, 13, 14 connect, its circuit diagram as shown in Figure 8, after the circuit diagram of Fig. 8 is decomposed as shown in Figure 9 and Figure 10, in fig .9, adjacent two T-shaped coupling folded dipoles 11, what connect with two other after 14 series connection adjacent T-shapedly mates folded dipole 12, the half-wave dipole arm 16 that 13 parallel connections are symmetrical with two again, the half-wave dipole compound in parallel of 18 compositions forms a ultra-wideband antenna, as shown in Figure 10, can also by adjacent two T-shaped coupling folded dipoles 11, the half-wave dipole parallel connection compound that the half-wave dipole arm 15,17 that after 12 series connection, adjacent T-shaped coupling folded dipole 13,14 parallel connection of connecting with two other is symmetrical with two again forms forms a ultra-wideband antenna, in figure 9 and in figure 10, Z
1, Z
2, Z
3, Z
4for T-shaped coupling folded dipole 11,12, the characteristic impedance of 13,14, Z
5,7, Z
6,8be respectively the characteristic impedance of the half-wave dipole be made up of half-wave dipole arm 15,17 and the half-wave dipole be made up of half-wave dipole arm 16,18.Four T-shaped coupling folded dipoles, 11,12,13,14 and four half-wave dipole arms 15,16,17,18 form two altogether in positive and negative 45 ° of orthogonal polarization radiating elements, and two ultra-wideband antennas are fixed on ground plate 8 by connecting balanced to unbalanced transformer.A lot of antenna is as dipole antenna, folded dipole antenna, loop antennas etc. are all balanced feedings, they have two distributing points, and there is a common feature, the phase place of the signal voltage (or electric current) of two distributing points is anti-phase each other, and main feeder cable normally uses coaxial cable, coaxial cable belongs to uneven (asymmetric) feeder line, its inner wire is distributing point, and outer conductor is earth point, do not participate in feed, even if can not directly connect so the characteristic impedance of antenna is identical with coaxial cable, otherwise the symmetry of antenna can be destroyed, make size of current in antenna two-arm not etc., this disequilibrium can change the directional diagram of antenna, make it to become asymmetric directional diagram, thus make feeder line may receive various disturbing wave to make feeder line and antenna mismatch, therefore, when antenna is connected with coaxial line, not only to consider that impedance matching also will carry out balanced-unbalanced conversion.
As shown in Figure 5, balanced to unbalanced transformer comprises the first balanced to unbalanced transformer 9 and the second balanced to unbalanced transformer 10, the two is connected to form asymmetric inverted U-shaped by support and the coaxial feeder that is connected with support, and be fixed on dielectric substrate 7, support is not only for balancing conversion, and compound oscillator surface is played a supporting role, save oscillator component.As shown in Figure 6, in the first balanced to unbalanced transformer 9, support is connected to form by the first vertical conductor 93 and the first horizontal conductor 91, first vertical conductor 93 length is quarter-wave, first horizontal conductor 91 comprises square conductor and coupled linear conductor, linear conductor is bent upwards the projection 92 of formation, one end of first horizontal conductor 91 vertically connects the inner wire of the first feeder line 94, the other end connects vertical conductor 93 downwards by projection 92, and upwards connect half-wave dipole arm 18 by projection 92 and adjacent with half-wave dipole arm 18 two T-shapedly mate folded dipole 13, one arm of 14, the outer conductor upper end of the first feeder line 94 connect another half-wave dipole arm 16 and two adjacent with another half-wave dipole arm 16 T-shapedly mate folded dipole 11, one arm of 12, half-wave dipole arm 16 and half-wave dipole arm 18 are two symmetric arms of same half-wave dipole, thus, the electrical potential difference that the inner wire of the first feeder line 94 and outer conductor are formed encourages compound element radiates face to shake.
As shown in Figure 7, in the second balanced to unbalanced transformer 10, support is connected to form by the second vertical conductor 103 and the second horizontal conductor 101, second vertical conductor 103 length is quarter-wave, second horizontal conductor 101 comprises square conductor and coupled linear conductor, linear conductor is bent downwardly the groove 102 of formation, one end of second horizontal conductor 101 vertically connects the inner wire of the second feeder line 104, the other end connects the second vertical conductor 103 downwards by groove 102, and the other end upwards connects half-wave dipole arm 17 by groove 102 and adjacent with half-wave dipole arm 17 two T-shapedly mate folded dipole 12, one arm of 13, the outer conductor upper end of feeder line 104 connect another half-wave dipole arm 15 and two adjacent with another half-wave dipole arm 15 T-shapedly mate folded dipole 11, one arm of 14, half-wave dipole arm 15 and half-wave dipole arm 17 are two symmetric arms of same half-wave dipole, thus, the electrical potential difference that the inner wire of the second feeder line 104 and outer conductor are formed encourages compound element radiates face to shake.The projection 92 of the first balanced to unbalanced transformer 9 is orthogonal with the groove 102 of the second balanced to unbalanced transformer 10 but do not contact, ensure isolation, first feeder line 94 is all connected with dielectric substrate 7 with the outer conductor lower end of the second feeder line 104, dielectric substrate 7 arranges screw, be connected by screw and dielectric substrate 7 is fixed on ground plate 8, the lower end of the first feeder line 9 and the second feeder line 10 all also arranges RF importation, and RF importation comprises transmitter or receiver.
Figure 11 and Figure 12 illustrates the flow direction of electric current in compound oscillator shown in Fig. 1, Figure 11 is+45 ° of polarization excitations, the polarization of electromagnetic field activated by the first balanced to unbalanced transformer 9, small arrow represents sense of current, these electric currents are activated by the first balanced to unbalanced transformer 9, and the electric current that half-wave dipole arm 16 flows out is back to half-wave dipole arm 18 through space radiation electric field; Figure 12 is-45 ° of polarization excitations, the polarization of electromagnetic field activated by the second balanced to unbalanced transformer 10, small arrow represents sense of current, and these electric currents are activated by the second balanced to unbalanced transformer 10, and the electric current flowed out by half-wave dipole arm 15 is back to half-wave dipole arm 17 through space radiation electric field.
Embodiment one, as Fig. 1, shown in Fig. 2 and Fig. 3, due to T-shaped coupling folded dipole 11, 12, 13, the structure of 14 is all identical, be described for T-shaped coupling folded dipole 11, comprise radiation conductor 1101 and lower radiation conductor, simultaneously to aerial radiated electromagnetic wave, wherein, upper radiation conductor 1101 is rectangle, length is 1/2nd wavelength, its two terminal open circuit, and between lower radiation conductor separated by a distance 1103, and by two segment conductor 1102a, 1102b and lower radiation conductor link together, lower radiation conductor is the rectangle of chamfering, the coupling between itself and adjacent folded dipole can be increased, lower radiation conductor comprises lower-left radiation conductor 1104a and bottom right radiation conductor 1104b, the two below respectively with terminals 1105a, 1105b connects, terminals 105a, setting space 1106b between 1105b, wiring carbonyl 1105a, respectively there is a square projection position that 1105b is relative, interval 1106a is provided with between square projection, change terminals 1105a, the width of 1105b, spacing 1106b and interval 1106a can regulate the input impedance value of compound element antenna, radiating element and balanced to unbalanced transformer are mated mutually.
Due to four half-wave dipole arms 15, 16, 17, the structure of 18 is identical, for half-wave dipole arm 15, its structure is described, as shown in Figure 4, half-wave dipole arm comprises two symmetrical L shape conductors 1501, 1504, article two, L shape conductor 1501, the two ends of 1504 are connected to form the square conductor with corner cut mutually, article two, the line of symmetry of L shape conductor connects a rectangular conductor, the centre of rectangular conductor has the bar-shaped trough that two ends are semicircle, folded dipole 11 is mated with T-shaped in wherein one end that square conductor is connected with rectangular conductor, 12, 13, the terminals of 14 connect, rectangular conductor separation is two vertical bar conductors 1502 by bar-shaped trough, 1503, vertical bar conductor 1502, 1503 is quarter-wave, L shape conductor 1501, 1504 with vertical bar conductor 1502, the different corresponding different frequency wavelength radiation of 1503 length, thus the working frequency range of oscillator can be widened.
Embodiment two, as shown in figure 13, T-shaped coupling folded dipole 21, the structure of 22,23,24 is identical with embodiment one, difference is, half-wave dipole arm 25,26,27,28 is the rectangular conductor of two end band semicircles, has the bar-shaped trough that two ends are semicircle in the middle of it, one end connecting T-shaped coupling folded dipole 21 of rectangular conductor, 22,23, the terminals of 24.
Embodiment three, as shown in figure 14, T-shaped coupling folded dipole 31, the structure of 32,33,34 is identical with embodiment one, difference is, half-wave dipole arm 35,36,37,38 include two symmetrical L shape conductors, and the two ends of two L shape conductors are connected to form the square conductor with corner cut mutually, folded dipole 31 is mated with T-shaped in the angle be positioned in square conductor on the line of symmetry of two L shape conductors, the terminals of 32,33,34 connect.
Embodiment four, as shown in figure 15, T-shaped coupling folded dipole 41, 42, 43, the structure of 44 is identical with embodiment one, difference is, half-wave dipole arm 45, 46, 47, 48 is comprise two symmetrical L shape conductors, article two, the line of symmetry of L shape conductor connects quarter-wave rectangular conductor, the centre of rectangular conductor has U-lag, one end connecting T-shaped coupling folded dipole 41 in rectangular conductor bottom U-lag, 42, 43, the terminals of 44, the openend of U-lag extends to the other end of rectangular conductor and becomes opening in the dihedral that rectangular conductor is connected with square conductor.
Embodiment five, as shown in Figure 16 and Figure 17, due to four T-shaped coupling folded dipoles 51, 52, 53, the structure of 54 is identical, T-shaped coupling folded dipole 51 is described for example, T-shaped coupling folded dipole 51 comprises radiation conductor 5101 and lower radiation conductor, upper radiation conductor 5101 is rectangle, be about 1/2nd wavelength, and between lower radiation conductor separated by a distance 5103, and by two segment conductor 5102a, 5102b and lower radiation conductor link together, lower radiation conductor is rectangle and comprises lower-left radiation conductor 5104a and bottom right radiation conductor 5104b, lower-left radiation conductor 5104a, below right radiation conductor 5104b respectively with terminals 5105a, 5105b connects, terminals 5105a, setting space 5106 between 5105b, half-wave dipole arm 55,56,57,58 is the rectangular conductor of two end band semicircles, has bar-shaped trough of two end band semicircles in the middle of it, one end connecting T-shaped coupling folded dipole 51,52 of rectangular conductor, the terminals of 53,54.
Embodiment six, as shown in figure 18, T-shaped coupling folded dipole 61,62,63,64 is identical with the structure of embodiment five, difference is, half-wave dipole arm 65,66,67,68 include two symmetrical L shape conductors, and the two ends of two L shape conductors are connected to form the square conductor with corner cut mutually, folded dipole 61 is mated with T-shaped in the angle be positioned in square conductor on the line of symmetry of two L shape conductors, the terminals of 62,63,64 connect.
In the above-described embodiments, the shape of T-shaped coupling folded dipole and half-wave dipole arm is changed, can change the CURRENT DISTRIBUTION in compound oscillator, thus change the input impedance of compound oscillator, ultra-wideband antenna and balanced to unbalanced transformer are printed circuit board (PCB) or are processed into by sheet metal.
Above-described is only embodiments more of the present utility model, and for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design, can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (8)
1. the compound oscillator antenna for base station of dual polarization, is characterized in that: comprise four T-shaped coupling folded dipoles, two half-wave dipoles, ground plate and balanced to unbalanced transformers, four T-shaped coupling folded dipole quadrates arrangements, and the placed in the middle and head and the tail of its terminals connect, two half-wave dipoles are separately positioned on foursquare two diagonal of T-shaped coupling folded dipole formation, each half-wave dipole is made up of two symmetrical quarter-wave half-wave dipole arms, half-wave dipole arm is connected with the terminals of adjacent T-shaped coupling folded dipole, what connect with two other after two adjacent T-shaped coupling folded dipole series connection adjacent T-shapedly mates folded dipole parallel connection and forms a ultra-wideband antenna with a half-wave dipole compound in parallel again, four T-shaped coupling folded dipoles and four half-wave dipole arms form two altogether in positive and negative 45 ° of orthogonal ultra-wideband antennas, two ultra-wideband antennas are fixed on ground plate by connecting balanced to unbalanced transformer respectively.
2. the compound oscillator antenna for base station of dual polarization according to claim 1, is characterized in that: described balanced to unbalanced transformer is connected to form asymmetric inverted U-shaped by support and the coaxial feeder that is connected with support, and is fixed on dielectric substrate.
3. the compound oscillator antenna for base station of dual polarization according to claim 2, it is characterized in that: described support is connected to form by vertical conductor and horizontal conductor, vertical conductor length is quarter-wave, horizontal conductor comprises square conductor and coupled linear conductor, the projection that linear conductor is bent to form up or down or groove, one end of horizontal conductor vertically connects the inner wire of feeder line, the other end connects vertical conductor downwards by projection or groove and upwards connects a half-wave dipole arm and adjacent with half-wave dipole arm two T-shaped arms mating folded dipole, the outer conductor upper end of feeder line connects another half-wave dipole arm and two adjacent with another half-wave dipole arm T-shaped arms mating folded dipole, another half-wave dipole arm and the half-wave dipole arm be connected on feeder line inner wire are two symmetric arms of same half-wave dipole, the outer conductor lower end of feeder line is connected with dielectric substrate.
4. the compound oscillator antenna for base station of dual polarization according to claim 1, it is characterized in that: described T-shaped coupling folded dipole comprises radiation conductor and lower radiation conductor, upper radiation conductor is rectangle, length is 1/2nd wavelength, between its with lower radiation conductor mutually across a certain distance, and linked together by two segment conductors and lower radiation conductor, lower radiation conductor is that rectangle comprises left and right lower radiation conductor, is connected respectively below left and right radiation conductor with terminals.
5. the compound oscillator antenna for base station of dual polarization according to claim 1, it is characterized in that: described half-wave dipole arm comprises two symmetrical L shape conductors, article two, the two ends of L shape conductor are connected to form the square conductor with corner cut mutually, in square conductor two L shape conductors line of symmetry on connect quarter-wave rectangular conductor, the bar-shaped trough that two ends are semicircle is offered in the centre of rectangular conductor, and one end that square conductor is connected with rectangular conductor is connected with the terminals of described T-shaped coupling folded dipole.
6. the compound oscillator antenna for base station of dual polarization according to claim 1, it is characterized in that: the rectangular conductor of described half-wave dipole arm to be two ends be semicircle, have the bar-shaped trough that two ends are semicircle in the middle of it, one end of rectangular conductor connects the terminals of described T-shaped coupling folded dipole.
7. the compound oscillator antenna for base station of dual polarization according to claim 1, it is characterized in that: described half-wave dipole arm is be connected to form square conductor with corner cut mutually by two symmetrical L shape conductor two ends, and the angle be positioned in square conductor on the line of symmetry of two L shape conductors is connected with the terminals of described T-shaped coupling folded dipole.
8. the compound oscillator antenna for base station of dual polarization according to claim 1, it is characterized in that: described half-wave dipole arm comprises two symmetrical L shape conductors, article two, the two ends of L shape conductor are connected to form the square conductor with corner cut mutually, article two, the line of symmetry of L shape conductor connects quarter-wave rectangular conductor, the centre of rectangular conductor has U-lag, one end in rectangular conductor bottom U-lag connects the terminals of described T-shaped coupling folded dipole, the openend of U-lag extends to the other end of rectangular conductor and becomes opening in the dihedral that rectangular conductor is connected with square conductor.
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| CN104916910A (en) * | 2015-06-12 | 2015-09-16 | 华南理工大学 | Dual-polarized base station antenna based on coupled feeding structure |
| CN105425322A (en) * | 2015-11-19 | 2016-03-23 | 华中科技大学 | All-optical wavelength converter |
| CN106785369A (en) * | 2016-12-28 | 2017-05-31 | 广东晖速通信技术股份有限公司 | A kind of small-sized single polarization radiating element |
| CN108493573A (en) * | 2018-05-04 | 2018-09-04 | 广东司南通信科技有限公司 | A kind of oscillator and its array antenna |
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| CN110622351A (en) * | 2017-05-04 | 2019-12-27 | 华为技术有限公司 | Dual polarized radiating element and antenna |
| CN110676571A (en) * | 2019-11-06 | 2020-01-10 | 江苏泰科微通讯科技有限公司 | 5G standard 4.9GHz broadband small-sized dual-polarized oscillator |
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| CN104916910A (en) * | 2015-06-12 | 2015-09-16 | 华南理工大学 | Dual-polarized base station antenna based on coupled feeding structure |
| CN105425322A (en) * | 2015-11-19 | 2016-03-23 | 华中科技大学 | All-optical wavelength converter |
| CN105425322B (en) * | 2015-11-19 | 2017-06-16 | 华中科技大学 | A kind of AOWC |
| CN106785369A (en) * | 2016-12-28 | 2017-05-31 | 广东晖速通信技术股份有限公司 | A kind of small-sized single polarization radiating element |
| CN110622351A (en) * | 2017-05-04 | 2019-12-27 | 华为技术有限公司 | Dual polarized radiating element and antenna |
| US11205859B2 (en) | 2017-05-04 | 2021-12-21 | Huawei Technologies Co., Ltd. | Dual-polarized radiating element and antenna |
| CN109473777A (en) * | 2017-09-08 | 2019-03-15 | Pc-Tel公司 | A kind of broadband low section dual-linear polarization antenna for the two-in-one platform of OneLTE |
| US11342688B2 (en) | 2017-09-12 | 2022-05-24 | Huawei Technologies Co., Ltd. | Dual-polarized radiating element and antenna |
| CN108493573A (en) * | 2018-05-04 | 2018-09-04 | 广东司南通信科技有限公司 | A kind of oscillator and its array antenna |
| CN108493573B (en) * | 2018-05-04 | 2023-12-29 | 广州司南技术有限公司 | Vibrator and array antenna thereof |
| CN110676571A (en) * | 2019-11-06 | 2020-01-10 | 江苏泰科微通讯科技有限公司 | 5G standard 4.9GHz broadband small-sized dual-polarized oscillator |
| EP4068512A4 (en) * | 2019-12-30 | 2023-01-25 | Huawei Technologies Co., Ltd. | Dual-polarized antenna, router, and base station |
| US11967771B2 (en) | 2019-12-30 | 2024-04-23 | Huawei Technologies Co., Ltd. | Dual polarization antenna, router, and base station |
| WO2022072148A1 (en) * | 2020-09-30 | 2022-04-07 | Commscope Technologies Llc | Base station antennas having compact dual-polarized box dipole radiating elements therein that support high band cloaking |
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Denomination of utility model: Dual-polarization composite-type oscillator base station antenna Effective date of registration: 20150513 Granted publication date: 20141217 Pledgee: China Merchants Bank, Limited by Share Ltd, Guangzhou Ocean Building Branch Pledgor: Guangzhou Sunrise Communication Equipment Co., Ltd. Registration number: 2015990000376 |
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