CN104009277B - A kind of antenna equipment and aerial array - Google Patents
A kind of antenna equipment and aerial array Download PDFInfo
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- CN104009277B CN104009277B CN201310055455.9A CN201310055455A CN104009277B CN 104009277 B CN104009277 B CN 104009277B CN 201310055455 A CN201310055455 A CN 201310055455A CN 104009277 B CN104009277 B CN 104009277B
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Abstract
The invention discloses a kind of antenna equipment and aerial array, its main contents include: this antenna equipment contains fixing three antenna oscillators on the supporting member, wherein, vertical dimension between fixing each antenna oscillator radiation center and described mirror reflection earth plate on the supporting member is 1/5 λ ~ 2 λ, and it is identical with the angle value size of the angle that horizontal direction is formed to fix antenna oscillator polarised direction mutually orthogonal and different between any two antenna oscillator on the supporting member；Each antenna oscillator is connected with feeding network plate by the heart yearn of coaxial cable, and feeding network plate is for the independent amplitude adjusting receiving and transmitting signal on each antenna oscillator and phase place；This three poliarizing antenna equipment are applied and can not only be facilitated addressing and installation in the communication network using MIMO technology to set up, and can also improve the covering power of network signal, promote broadband data service process level, raising frequency spectrum resource utilization rate.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of antenna equipment and aerial array.
Background technology
Along with the requirement of the channel capacity of communication system and the utilization rate of frequency spectrum resource will be more and more higher by the development of communication technology, 3G, 4G and future communications network.
MIMO (Multiple-Input Multiple-Out-put, enter to have more more) technology refers to use multiple transmitting antenna and reception antenna respectively at transmitting terminal and receiving terminal, signal is by transmitting terminal and multiple antenna transmission of receiving terminal and reception, thus improves the service quality (such as: bit error rate, data rate or QoS) of each user.
But, existing communication antenna is divided into two kinds: one is single-polarized antenna；Another kind is dual polarized antenna.So-called single-polarized antenna includes horizontally-polarized antenna and vertical polarized antenna, and wherein, the electric field intensity formed when horizontally-polarized antenna refers to aerial radiation is oriented parallel to the antenna on ground；The electric field intensity direction formed when vertical polarized antenna refers to aerial radiation is perpendicular to the antenna on ground, and therefore, single-polarized antenna is horizontally-polarized antenna or is vertical polarized antenna.The requirement high in order to adapt to current communication networks channel capacity, is typically combined single-polarized antenna forming single-polarized antenna array, and the single-polarized antenna array of composition is also classified into horizonally-polarized array row and polarized antenna arrays.
But applicant finds under study for action: the single-polarized antenna array after group battle array takes up room relatively big (such as: array antenna is separated by 4 ~ 10 operation wavelengths), the distribution execution conditions of antenna are required higher by this.
So-called dual polarized antenna refers to the antenna of 2 polarised directions, for example with ± 45 ° of polarization modes, is combined with+45 ° and-45 ° of antennas that two polarised directions are mutually orthogonal.
But applicant finds under study for action: dual polarized antenna directivity is too strong, majority is wall-mounted, and only two paths of signals, uses MIMO technology to show slightly inadequate when setting up communication network, and radiation direction is difficult in adapt to the application of many scenes indoor distribution.
Summary of the invention
Embodiments provide a kind of antenna equipment and aerial array, be used for solving prior art to use in MIMO technology single-polarized antenna occur taking up room compared with big, execution conditions height and using dual polarized antenna that directivity problem too strong, that only two paths of signals, radiation direction are difficult in adapt to the application of many scenes indoor distribution occurs.
A kind of antenna equipment, including: mirror reflection earth plate, the support member being fixed on mirror reflection earth plate, three antenna oscillators, three coaxial cables and feeding network plate, wherein:
Three antenna oscillators, fix on the supporting member, wherein, vertical dimension between radiation center and the described mirror reflection earth plate of fixing each antenna oscillator on the supporting member is 1/5 λ ~ 2 λ, and it is identical with the angle value size that horizontal direction forms angle to fix antenna oscillator polarised direction mutually orthogonal and different between any two antenna oscillator on the supporting member；
Each antenna oscillator in three antenna oscillators includes having on the first jib and the second jib, and each jib a distributing point；
The corresponding coaxial cable of each antenna oscillator, one end of this coaxial cable is connected with corresponding antenna oscillator, the other end is connected with feeding network plate, wherein, heart yearn in this coaxial cable one end being connected with antenna oscillator, distributing point on the first jib connecting this antenna oscillator, the rubber-insulated wire in this coaxial cable one end being connected with antenna oscillator, for connecting the distributing point on the second jib of this antenna oscillator；
Described feeding network plate, penetrates amplitude and the phase place of signal for adjusting transmitting-receiving on each antenna oscillator.
A kind of aerial array, contains above-mentioned antenna equipment.
The present invention has the beneficial effect that:
The embodiment of the present invention is by a kind of antenna equipment, this antenna equipment contains fixing three antenna oscillators on the supporting member, wherein, vertical dimension between fixing each antenna oscillator radiation center and described mirror reflection earth plate on the supporting member is 1/5 λ ~ 2 λ, and it is identical with the angle value size of the angle that horizontal direction is formed to fix antenna oscillator polarised direction mutually orthogonal and different between any two antenna oscillator on the supporting member；Each antenna oscillator is connected with feeding network plate by the heart yearn of coaxial cable, and feeding network plate is for the independent amplitude adjusting receiving and transmitting signal on each antenna oscillator and phase place；This possess mutually orthogonal, from the horizontal by angularly, independent adjust amplitude and three poliarizing antenna equipment that phase place is integrated, three polarised direction signals cover and more equalize, and Electromagnetic Fields of Antenna radiation direction is relatively more flexible, compact conformation, achieve input and the output of three road signal streams, and it is mutually suitable with MIMO technology, apply and can not only facilitate addressing and installation in the communication network using MIMO technology to set up, and the covering power of network signal can also be improved, promote broadband data service process level, raising frequency spectrum resource utilization rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of antenna equipment of the embodiment of the present invention；
Fig. 2 be the embodiment of the present invention antenna equipment in the structural representation of antenna oscillator；
Fig. 3 is that antenna oscillator structure changes schematic diagram；
Fig. 4 be in the embodiment of the present invention antenna equipment in return loss (S11) performance map of 2.054GHz frequency；
Fig. 5 be in the embodiment of the present invention antenna equipment in return loss (S11) performance map of 1.938GHz frequency；
Fig. 6 be in the embodiment of the present invention antenna equipment at the E face directional diagram of 2.054GHz frequency；
Fig. 7 be in the embodiment of the present invention antenna equipment at the E face directional diagram of 1.938GHz frequency；
Fig. 8 (a) be three antenna oscillators of antenna equipment phase place for (0,0,0) time antenna equipment antenna pattern；
Fig. 8 (b) be three antenna oscillators of antenna equipment phase place for (0,0,30) time antenna equipment antenna pattern；
Fig. 9 (a) be three antenna oscillators of antenna equipment phase place for (0,0,90) time antenna equipment antenna pattern；
Fig. 9 (b) be three antenna oscillators of antenna equipment phase place for (-120,0,120) time antenna equipment antenna pattern；
Figure 10 is antenna equipment loss parameter list schematic diagram.
Detailed description of the invention
In order to realize the purpose of the present invention, embodiments provide a kind of antenna equipment and aerial array, this antenna equipment contains fixing three antenna oscillators on the supporting member, wherein, vertical dimension between fixing each antenna oscillator radiation center and described mirror reflection earth plate on the supporting member is 1/5 λ ~ 2 λ, and it is identical with the angle value size of the angle that horizontal direction is formed to fix antenna oscillator polarised direction mutually orthogonal and different between any two antenna oscillator on the supporting member；Each antenna oscillator is connected with feeding network plate by the heart yearn of coaxial cable, and feeding network plate is for the independent amplitude adjusting receiving and transmitting signal on each antenna oscillator and phase place.
This possessed mutually orthogonal, from the horizontal by angularly, independent adjust amplitude and three poliarizing antenna equipment that phase place is integrated, three polarised direction signals cover and more equalize, and Electromagnetic Fields of Antenna radiation direction is relatively more flexible, compact conformation, achieve input and the output of three road signal streams, and it is mutually suitable with MIMO technology, apply and can not only facilitate addressing and installation in the communication network using MIMO technology to set up, and the covering power of network signal can also be improved, promote broadband data service process level, raising frequency spectrum resource utilization rate.
It should be noted that the network formats of this antenna equipment support at least includes one or more in GSM standard, CDMA standard, WCDMA standard, CDMA2000 standard, TD-SCDMA standard, TD-LTE standard and wlan network.
Below in conjunction with Figure of description, the embodiment of the present invention is described in detail.
As it is shown in figure 1, be the structural representation of a kind of antenna equipment of the embodiment of the present invention.
This antenna equipment includes: three antenna oscillators (1, second antenna oscillator 2 of first antenna oscillator and the 3rd antenna oscillator 3), support member 4, three coaxial cables 5, feedback head apparatus 6, mirror reflection earth plate 7, feeding network plate 8, feeder line socket 9, bunched cable feeder line 10, each antenna oscillator contains the first jib 11 and the second jib 12, wherein:
Three antenna oscillators, it is fixed in support member 4, wherein, vertical dimension between radiation center and the described mirror reflection earth plate 7 of each antenna oscillator being fixed in support member 4 is 1/5 λ ~ 2 λ, and it is identical with the angle value size that horizontal direction forms angle to be fixed on antenna oscillator polarised direction mutually orthogonal and different between any two antenna oscillator in support member 4；
Each antenna oscillator in three antenna oscillators includes the first jib 11 and the second jib 12, and has a distributing point on each jib；
The corresponding coaxial cable of each antenna oscillator, one end of this coaxial cable is connected with corresponding antenna oscillator, the other end is connected with feeding network plate, wherein, heart yearn in this coaxial cable one end being connected with antenna oscillator, distributing point on the first jib connecting this antenna oscillator, the rubber-insulated wire in this coaxial cable one end being connected with antenna oscillator, for connecting the distributing point on the second jib of this antenna oscillator；
Described feeding network plate 8, penetrates amplitude and the phase place of signal for adjusting transmitting-receiving on each antenna oscillator.
Specifically, this antenna equipment contains three antenna oscillators (i.e. first antenna oscillator 1, second antenna oscillator 2 and third antenna oscillator 3), the angle value size of the angle formed between mutually orthogonal between any two antenna oscillator and different antenna oscillator polarised direction and horizontal direction is identical.Such as: first antenna oscillator the 1, second antenna oscillator 2 and third antenna oscillator 3 are placed according to the direction of X-axis, Y-axis and three coordinate axess of Z axis in three-dimensional system of coordinate, wherein, first antenna oscillator the 1, second antenna oscillator 2 and third antenna oscillator 3 are at the initial point of the similar 3-D walls and floor in space crossed overlapping region.
First antenna oscillator 1 represents the direction (such as: Z axis) of a coordinate axes, second antenna oscillator 2 represents the direction (such as: Y-axis) of a coordinate axes, third antenna oscillator 3 represents the direction (such as: X-axis) of a coordinate axes, now, first antenna oscillator 1, between second antenna oscillator 2 and third antenna oscillator 3 mutually orthogonal between any two groups of antenna oscillators, from triantennary oscillator juxtaposition part respectively in terms of the two ends of antenna oscillator, three antenna oscillators form two pyrometric cones of symmetry, the compound mode of this antenna oscillator possessed take up room little, simple in construction, cost is relatively low, the feature of better performances.
As in figure 2 it is shown, be the structural representation of antenna oscillator.Assume first antenna oscillator 1 line segment AA/Represent, then (be Virtual space point, i.e. line segment AA from the intermediate point of first antenna oscillator 1/Midpoint O) place demarcates, from intermediate point O to terminal A, the oscillator jib of this side belongs to the first jib, from intermediate point O to terminal A/The oscillator jib of this side belongs to the second jib, the first jib and the second jib and meets centrosymmetry relative to intermediate point O, but the first jib and the second jib are not connected with at intermediate point O.
More preferably, the first jib in each group of antenna oscillator and a length of 1/5 λ ~ 34 λ of the second jib, wherein, the length of the first jib in same group of antenna oscillator is identical with the length of the second jib.
In every day linear oscillator, the jib structure of the first jib and the second jib can be cylindric, horn-like and one in drops, wherein: the first jib and the structure of the second jib in same antenna oscillator are identical.
The shape of dipole jib is different, and antenna bandwidth also by difference, more can meet the needs of different communication network, it is achieved the multiformity of antenna frequency band.
The internal diameter of described first jib and/or described second jib is not less than 1mm.
Such as: if being shaped as of the first jib and/or the second jib is cylindric, then the diameter of cylinder is not less than 1mm；If the first jib and/or the second jib are shaped as drops, then the internal diameter of drops one end is not less than the d in 1mm, i.e. Fig. 2, and the external diameter of D(drops jib) more than d.
More preferably, the material of the jib of each dipole is optimum conductor, preferable red copper material.
Three antenna oscillators are fixed in support member 4, and specifically, when the support member of this antenna equipment is one, three antenna oscillators of this antenna equipment are all fixed in this support member；When the support member of this antenna equipment is two, selecting two antenna oscillators to be fixed in a support member from three antenna oscillators, a remaining antenna oscillator is fixed in another support member；When the support member of this antenna equipment is three, the corresponding support member of each antenna oscillator, and each antenna oscillator is fixed in the support member of correspondence.
Specifically, it is fixed on that to form the angle value of angle between the jib of in support member 4 three antenna oscillators and described mirror reflection earth plate 7 equal in magnitude.
Such as: it will again be assumed that first antenna oscillator 1 line segment AA/Represent, owing to two antenna oscillators of first antenna oscillator and other are mutually perpendicular to, and form angle with horizontal plane, therefore first fixing mode on the supporting member of antenna oscillator is neither be horizontally fixed in support member, it is not to be vertically fixed in support member, but at a certain angle with fixing support member shape, now, the vertical dimension between fixing each group of antenna element and described mirror reflection earth plate on the supporting member is not less than 1/10 λ.
Owing to support member is fixed on mirror reflection earth plate, when fixing antenna oscillator on the supporting member is at a certain angle with fixing support member shape, the extended line of the jib of this antenna oscillator also will be at a certain angle with mirror reflection earth plate shape, therefore, the angle value size of the angle formed between different antenna oscillator polarised directions and horizontal direction is identical.
The angle value size of the angle formed between angle value size and the second antenna oscillator 2 polarised direction and the horizontal direction of the angle i.e. formed between first antenna oscillator 1 polarised direction and horizontal direction is identical；And second the angle formed between antenna oscillator 2 polarised direction and horizontal direction angle value size and third antenna oscillator 3 polarised direction and horizontal direction between the angle value size of angle that formed identical.
More preferably, the vertical dimension between fixing antenna oscillator radiation center and described mirror reflection earth plate on the supporting member is 1/5 λ ~ 2 λ.
Specifically, when support member is fixed on mirror reflection earth plate, mirror reflection earth plate is placed an adjustable screw socket, it is used for adjusting the length of support member, to change the vertical dimension between space crossed overlapping region and described mirror reflection earth plate of the three groups of antenna oscillators in support member.
More preferably, the material of described support member is plastics or the polytetrafluoro material of low-dielectric loss, and wherein, the relative dielectric constant of material is not more than 5.
More preferably, the shape of support frame as described above does not limits, and can be tubulose, it is also possible to be other shapes, possesses the function of not notable absorption of electromagnetic energy.
More preferably, the structure of described mirror reflection earth plate 7 at least includes the one in planar structure, spherical structure and cone structure.
The material of described mirror reflection earth plate 7 includes but not limited to copper or aluminum.
Specifically, the first jib 11 that each antenna oscillator comprises has a distributing point B, the second jib 12 has a distributing point C.
Such as: as it is shown on figure 3, be the antenna oscillator structural representation that accesses this antenna equipment, it is assumed that this antenna oscillator is above-mentioned first antenna oscillator 1(line segment AA/Represent) access the structural representation of this antenna equipment, wherein, the first jib 11 is fixing on the supporting member, and the distributing point on the first jib 11 is B point, and the distributing point on the second jib 12 is C point.
Specifically, the corresponding coaxial cable of each antenna oscillator, one end of this coaxial cable is connected with corresponding antenna oscillator, the other end is connected with feeding network plate, wherein, the heart yearn in this coaxial cable one end being connected with antenna oscillator, for connecting the distributing point B on the first jib of this antenna oscillator, rubber-insulated wire in this coaxial cable one end being connected with antenna oscillator, for connecting the distributing point C on the second jib of this antenna oscillator.
Specifically, the each group of corresponding coaxial cable of antenna oscillator, one end of this coaxial cable is connected with corresponding antenna oscillator, and the other end is connected with feeding network plate, feeding network plate 8 is connected with external bunched cable feeder line 10, and junction is the feeder line socket 9 with linkage function.
Heart yearn in this coaxial cable one end being connected with antenna oscillator, for connecting the distributing point B on the first jib of this antenna oscillator, the rubber-insulated wire in this coaxial cable one end being connected with antenna oscillator, for connecting the distributing point C on the second jib of this antenna oscillator.
It should be noted that contain a plurality of coaxial cable in bunched cable feeder line 10, one end of a plurality of coaxial cable is connected with feeding network plate, and the other end is connected from different outer signal source devices.
Specifically, presenting head apparatus 6, be connected with feeding network plate 8, wherein, the reception of feedback head apparatus 6 communication with the outside world network signal respectively is connected with radiating circuit.
Described feeding network plate 8, for adjusting amplitude and the phase place of receiving and transmitting signal on each antenna oscillator.
Described feeding network plate 8, specifically for by the phase place of receiving and transmitting signal and/or amplitude on this antenna oscillator of signal transmission path length adjustment between regulation signal source equipment and each antenna oscillator, wherein: between signal source equipment and this antenna oscillator, the phase place of the receiving and transmitting signal that signal transmission path length determines when being extended relatively lags behind the phase place of the receiving and transmitting signal that signal transmission path length determines when being shortened between signal source equipment and this antenna oscillator.
Specifically, described feeding network plate can use the mode such as copper-clad plate or enamel-covered wire or coaxial line conductor, on extension antenna oscillator, distributing point is to the length of signal transmission path between signal source equipment so that the delayed phase of respective antenna oscillator transmission signal, reaches the purpose that aerial radiation direction changes；Can also be by copper-clad plate line layout width being adjusted or the signal transmission path width between distributing point on antenna oscillator to signal source equipment being changed, the amplitude making respective antenna oscillator transmission signal changes, and reaches the purpose that aerial radiation direction changes.
Additionally, above-mentioned adjustment mode is so that feeding network plate independently be the different amplitude of linear oscillator distribution every day and the signal of phase place, realize the adjustment to aerial radiation direction neatly.
In sum, the mode adjusting the amplitude and phase place of transmitting signal on linear oscillator every day includes but not limited to: a kind of mode is to make the feeding network plate of multiple standards in advance, reaches to adjust by the different feeding network plate of replacing and transmits the amplitude of signal and the purpose of phase place on linear oscillator every day；Two is to be adjusted the length of signal transmission path between distributing point on signal source equipment to every day linear oscillator by the way of physics, such as: on each feed connecting line, add a shaping piece, make on signal source equipment and antenna oscillator the length of signal transmission path between distributing point change by regulation shaping piece position, reach to regulate the purpose transmitting signal phase on antenna oscillator.
By the scheme of the embodiment of the present invention, this antenna equipment contains three antenna oscillators, this antenna equipment contains fixing three antenna oscillators on the supporting member, wherein, vertical dimension between fixing each antenna oscillator radiation center and described mirror reflection earth plate on the supporting member is 1/5 λ ~ 2 λ, and it is identical with the angle value size of the angle that horizontal direction is formed to fix antenna oscillator polarised direction mutually orthogonal and different between any two antenna oscillator on the supporting member；Each antenna oscillator is connected with feeding network plate by the heart yearn of coaxial cable, and feeding network plate is for the independent amplitude adjusting receiving and transmitting signal on each antenna oscillator and phase place.
This possessed mutually orthogonal, from the horizontal by angularly, independent adjust amplitude and three poliarizing antenna equipment that phase place is integrated, three polarised direction signals cover and more equalize, and Electromagnetic Fields of Antenna radiation direction is relatively more flexible, compact conformation, achieve input and the output of three road signal streams, and it is mutually suitable with MIMO technology, apply and can not only facilitate addressing and installation in the communication network using MIMO technology to set up, and the covering power of network signal can also be improved, promote broadband data service process level, raising frequency spectrum resource utilization rate.
More preferably, the embodiment of the present invention additionally provides a kind of aerial array, contains the antenna equipment described in the embodiment of the present invention in this aerial array.
As shown in Figure 4, for antenna equipment in the embodiment of the present invention 2.054GHz frequency return loss (S11) performance map.
Wherein: abscissa represents frequency Frequency (GHz), vertical coordinate represents return loss intensity The return loss of the antenna (dB).
It should be noted that the coordinate system used in the diagram is rectangular coordinate system.
As it is shown in figure 5, be in the embodiment of the present invention antenna equipment 1.938GHz frequency return loss (S11) performance map.
Wherein: abscissa represents frequency Frequency (GHz), vertical coordinate represents return loss intensity The return loss of the antenna (dB).
It should be noted that the coordinate system used in Figure 5 is rectangular coordinate system.
As shown in Figure 6, for antenna equipment in the embodiment of the present invention at the E face directional diagram of 2.054GHz frequency.
It should be noted that the coordinate system used in figure 6 is polar coordinate system.
As it is shown in fig. 7, be in the embodiment of the present invention antenna equipment at the E face directional diagram of 1.938GHz frequency.
It should be noted that the coordinate system used in the figure 7 is rectangular coordinate system.
The application scenarios covered for unlike signal, the requirement to antenna gain direction is the most different, such as the aerial radiation direction required for corridor, hotel, meeting room and residential block building etc. is exactly different, and the omnidirectional needing antenna to realize signal having covers；The bar shaped needing antenna to realize signal having covers；The antenna that needs having realizes the oriented cover of signal；But the feature of the building such as large-scale gymnasium and theatre is that space is big and depth is high, this is accomplished by aerial radiation direction and more concentrates.The antenna equipment provided in the embodiment of the present invention can be in the case of not changing antenna structure, reach to adjust signal phase by changing different feeding network plates or adjustment feeding network so that out of phase, the signal of amplitude are fed on three antenna oscillators of antenna equipment by feedback electric connecting conductor to realize the adjustment in aerial radiation direction.
As shown in Figure 8 (a), antenna equipment antenna pattern when the phase place for three antenna oscillators of antenna equipment is (0,0,0).
As shown in Figure 8 (b) shows, antenna equipment antenna pattern when the phase place for three antenna oscillators of antenna equipment is (0,0,30).
As shown in Fig. 9 (a), antenna equipment antenna pattern when being (0,0,90) for the phase place of three antenna oscillators of antenna equipment.
As shown in Figure 9 (b), antenna equipment antenna pattern when the phase place for three antenna oscillators of antenna equipment is (-120,0,120).
Can be seen that from Fig. 8 (a), Fig. 8 (b), Fig. 9 (a) and Fig. 9 (b) antenna when initial phase is 0 degree, aerial radiation direction can meet signal omnidirectional cover；When antenna oscillator applying 30 degree and the initial phase of 90 degree to Z-direction, aerial radiation direction deflection Z axis negative direction；The differences such as the initial phase when three dipoles are (-120,0,120), and radiation pattern presents drops gain diagram, in aerial radiation direction set.In sum, adjustable by antenna oscillator transmission signal phase in antenna equipment being adjusted the static state being advantageously implemented aerial radiation gain direction.
Due to antenna oscillator independent power feeding each in antenna equipment described in the embodiment of the present invention, and not disturbing mutually between antenna oscillator, this each antenna oscillator allowing for antenna equipment has superior isolation strip performance from each other.As shown in Figure 10, for antenna equipment loss parameter list schematic diagram.
Be can be seen that by emulation data, loss parameter between three antenna oscillator ports will be higher than 40dB, illustrating there is good isolation between each antenna oscillator of the antenna equipment described in the embodiment of the present invention, this antenna equipment is suitable as the hardware device of Multipath Transmission.
It should be noted that the network formats of this antenna equipment support at least includes one or more in GSM standard, CDMA standard, WCDMA standard, CDMA2000 standard, TD-SCDMA standard, TD-LTE standard and wlan network.
In sum, comparing with the conventional aerial of prior art communication system, the antenna equipment described in the embodiment of the present invention has the following characteristics that
The antenna equipment that three the most mutually orthogonal antenna oscillators are constituted can transmit three circuit-switched data streams, realizes multiple-input and multiple-output effect in conjunction with indoor propagation direction complexity feature, improves the capacity of communication system, add the availability of frequency spectrum, meet broadband data service requirement.
2. utilize the distance between antenna oscillator in spiral shell button adjustment mirror reflection earth plate and antenna equipment, it is achieved antenna equipment resonance band return loss performance and gain performance optimization, it is possible to make to press under the gain pattern of omnidirectional antenna, make antenna covering performance promote.
3. use the method that amplitude and phase place to three circuit-switched data streams are adjusted, or realize not changing in antenna equipment on the premise of antenna oscillator structure by static phase combination, Electromagnetic Fields of Antenna radiation direction is changed, adapts to different in-door covering scene demands.
4. when this antenna equipment is in TD-LTE system, amplitude that system can obtain on three antenna oscillators according to user terminal uploads information and phase number, determine that three antenna oscillators launch amplitude and the phase number of signal, obtain the antenna launching beam pointing to user terminal, thus improve the capacity of resisting disturbance of system.5. this antenna equipment availability of frequency spectrum is high, make antenna system can transmit the data service of higher rate, gain radiation characteristic under limited radio band good, user terminal is made to receive higher signal, meet capacity required big, antenna return loss is little, gain covers uniformly, meets the Conventional communication systems technical standard requirement to antenna, can realize user's requirement to the data service of two-forty.
Obviously, those skilled in the art can carry out various change and modification without departing from the spirit and scope of the present invention to the present invention.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. an antenna equipment, it is characterised in that including: mirror reflection earth plate, to be fixed on mirror image anti-
Penetrate the support member on earth plate, three antenna oscillators, three coaxial cables and feeding network plate, wherein:
Three antenna oscillators, fix on the supporting member, wherein, and fixing each sky on the supporting member
Vertical dimension between radiation center and the described mirror reflection earth plate of linear oscillator is 1/5 λ～2 λ, Yi Jigu
Antenna oscillator polarization side mutually orthogonal and different between fixed any two antenna oscillator on the supporting member
Identical to the angle value size forming angle with horizontal direction；
Each antenna oscillator in three antenna oscillators includes the first jib and the second jib, and each arm
There is on frame a distributing point；
The corresponding coaxial cable of each antenna oscillator, one end of this coaxial cable and corresponding antenna oscillator
Being connected, the other end is connected with feeding network plate, wherein, in this coaxial cable one end being connected with antenna oscillator
Heart yearn, for connecting the distributing point on the first jib of this antenna oscillator, be connected with antenna oscillator this together
Rubber-insulated wire in shaft cable one end, for connecting the distributing point on the second jib of this antenna oscillator；
Described feeding network plate, for adjusting the amplitude and phase receiving transmitting signal on each antenna oscillator
Position；
The first jib comprised in each antenna oscillator described and the locus of the second jib meet center
Symmetrical but do not connect, and the first jib in each group of antenna oscillator and the second jib is a length of
1/5 λ～3/4 λ, wherein, the length of the first jib in same antenna oscillator and the length phase of the second jib
With.
2. antenna equipment as claimed in claim 1, it is characterised in that
Vertical between fixing each group of antenna oscillator and described mirror reflection earth plate on the supporting member
Distance is not less than 1/10 λ.
3. antenna equipment as claimed in claim 1, it is characterised in that
In described each group of antenna oscillator the jib structure of the first jib and the second jib at least include cylindric,
One in horn-like and drops, wherein: the first jib in same group of antenna oscillator and the second jib
Structure is identical.
4. antenna equipment as claimed in claim 3, it is characterised in that
The internal diameter of described first jib and/or described second jib is not less than 1mm.
5. antenna equipment as claimed in claim 1, it is characterised in that
Described feeding network plate, specifically for by believing between regulation signal source equipment and each antenna oscillator
Number path-length adjusts phase place and/or the amplitude of receiving and transmitting signal on this antenna oscillator, wherein: signal source
The phase place phase of the receiving and transmitting signal that between equipment with this antenna oscillator, signal transmission path length determines when being extended
To lagging behind the receipts that between signal source equipment and this antenna oscillator, signal transmission path length determines when being shortened
The phase place signaled.
6. antenna equipment as claimed in claim 1 or 2, it is characterised in that
The structure of described mirror reflection earth plate at least includes in planar structure, spherical structure and cone structure
A kind of.
7. antenna equipment as claimed in claim 1, it is characterised in that
The material of described support member is the plastics of low-dielectric loss, and wherein, the relative dielectric constant of material is not
More than 5.
8. an aerial array, it is characterised in that contain as arbitrary in claim 1～7 as described in antenna
Equipment.
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| US9548544B2 (en) * | 2015-06-20 | 2017-01-17 | Huawei Technologies Co., Ltd. | Antenna element for signals with three polarizations |
| CN105977617A (en) * | 2015-11-06 | 2016-09-28 | 乐视移动智能信息技术（北京）有限公司 | Three-polarization antenna |
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