CN106030906A - Array antenna and sector antenna - Google Patents
Array antenna and sector antenna Download PDFInfo
- Publication number
- CN106030906A CN106030906A CN201580008782.6A CN201580008782A CN106030906A CN 106030906 A CN106030906 A CN 106030906A CN 201580008782 A CN201580008782 A CN 201580008782A CN 106030906 A CN106030906 A CN 106030906A
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- frequency band
- dipole element
- antenna
- high frequency
- low
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
- H01Q21/12—Parallel arrangements of substantially straight elongated conductive units
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
- H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
- H01Q5/42—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more imbricated arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/06—Details
- H01Q9/065—Microstrip dipole antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
- Details Of Aerials (AREA)
Abstract
This array antenna (100) is provided with: a reflection plate (200); low-frequency-band dipole elements (110-1 to 110-3) arrayed in the vertical direction above the reflection plate (200); high-frequency-band dipole elements (120-1 to 120-6) similarly arrayed in the vertical direction above the reflection plate (200); and conductors (130-1 to 130-4) configured from a conductive material and similarly arrayed in the vertical direction above the reflection plate (200). The low-frequency-band dipole elements (110) and high-frequency-band dipole elements (120) are arrayed in an intermixed manner, and the conductors (130) are disposed at the side of the high-frequency-band dipole elements (120) at which the low-frequency-band dipole elements (110) are not disposed. As a result, in the transmission/reception of radio waves in a plurality of frequency bands, an effect of the transmission/reception of radio waves at one frequency band by an antenna element on the directivity or the like in another frequency band is suppressed.
Description
Technical field
The present invention relates to array antenna and fan antenna.
Background technology
In the antenna (antenna for base station) of the base station of mobile communication, combine corresponding and set with the direction of transmitting-receiving electric wave
Each sector transmitting-receiving multiple fan antennas of electric wave and use.In fan antenna, use antenna elements such as dipole antennas
It is listed as the array antenna of array-like.
Having recorded a kind of oriented antenna in patent documentation 1, it possesses: the width rearward turned back in both sides is about
It it is the reflecting plate that turns back of below 0.25 wavelength；Clip distance piece be arranged at described in turn back on reflecting plate metallic plate；At described gold
Belong to and be held in predetermined altitude and along central authorities' straight line at predetermined intervals before the described reflecting plate that turns back by support member on plate
1st emissive element of shape ground setting and the 2nd emissive element；It is set in parallel in described 1st radiation unit the most at predetermined intervals
The parasitic antenna of the unpowered of the both sides of part and the 2nd emissive element；It is arranged at the confession of the substantially central portion of described metallic plate
Electricity portion；Insulated be arranged on described metallic plate and to described 1st emissive element and described 2nd emissive element supply from institute
State the supply line of the power supply signal of power supply section；Be arranged at described supply line and to described power supply section with described 1st radiation
Impedance between element and the 2nd emissive element carries out the impedance transformation portion integrated；Further, turn back described in reflecting plate and described the
The interval of 1 emissive element and the 2nd emissive element sets and is about 0.09 wavelength.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2013-115460 publication
The summary of invention
The problem that invention is to be solved
But, sometimes require that the small-sized array antenna of the electric wave that can receive and dispatch different frequency bands.Now, for miniaturization
And when closely configuring multiple antenna element of the electric wave of transmitting-receiving different frequency bands, it is desirable to by the antenna of the electric wave of 1 frequency band of transmitting-receiving
The impact that element causes to the directivity etc. in the transmitting-receiving of the electric wave of other frequency bands is little.
It is an object of the invention to provide in the transmitting-receiving of the electric wave of multiple frequency bands, can suppress by 1 frequency band of transmitting-receiving
The array antenna of the impact for the directivity etc. in other frequency bands that the antenna element of electric wave produces and fan antenna.
Means for solving the above
Based on this purpose, it is suitable for the array antenna of the present invention, has possessed: the reflecting plate being constructed from a material that be electrically conducting；Multiple 1st
Antenna element, its away from reflecting plate predetermined 1st distance part, in the side that the direction with predetermined polarized wave intersects
Upwards arrange, the electric wave of this polarized wave in transmitting-receiving the 1st frequency band；Multiple 2nd antenna elements, it is predetermined away from reflecting plate
2nd distance part, arranges with multiple 1st antenna elements in said direction, receives and dispatches 2nd frequency band higher than the 1st frequency band with mixing
The electric wave of polarized wave；With the parts of reflection wave, the most adjacent 2 the 2nd in multiple 2nd antenna elements
Between antenna element, in the case of any one in being configured without multiple 1st antenna element, it is configured with the portion of reflection wave
Part, what it reflected is the electric wave of the 2nd antenna element transmitting-receiving.
In such array antenna, the parts of reflection wave, be have on the direction of polarized wave longitudinally by
The conductor that conductive material is constituted, is arranged at away from the predetermined 3rd distance part of reflecting plate.
Conductor can also, possess in end towards from the different parts of parts constituting central part, each parts direct current connects.
Further, be suitable for the present invention array antenna can also: be also equipped with in the 1st frequency band receive and dispatch orthogonal with polarized wave
The 3rd antenna element of electric wave of polarized wave；Can also: it is also equipped with in the 2nd frequency band receiving and dispatching the polarized wave orthogonal with polarized wave
The 4th antenna element of electric wave.
By being set in such manner, it is possible to be set to the array antenna that polarized wave shares.
If understood from other viewpoint, then the fan antenna being suitable for the present invention possesses array antenna and storage array
The antenna house of antenna, described array antenna possesses: the reflecting plate being constructed from a material that be electrically conducting；Multiple 1st antenna elements, it is away from instead
Penetrate the predetermined 1st distance part of plate, the direction that the direction with predetermined polarized wave intersects arranges, receives and dispatches the 1st
The electric wave of the polarized wave in frequency band；Multiple 2nd antenna elements, its away from reflecting plate predetermined 2nd distance part, described
Arrange with mixing with multiple 1st antenna elements on direction, receive and dispatch the electric wave of the polarized wave of 2nd frequency band higher than the 1st frequency band；Instead
The parts of radio wave, between the most adjacent 2 the 2nd antenna element in multiple 2nd antenna elements, are not having
In the case of configuring any one in multiple 1st antenna element, being configured with the parts of reflection wave, its reflection is the 2nd antenna
The electric wave of element transmitting-receiving.
According to this composition, compared with the situation without this composition, it is possible to make fan antenna smaller.
The effect of invention
According to the present invention, in receiving and dispatching the antenna of electric wave of multiple frequency bands, it is provided that can suppress by the electricity of 1 frequency band of transmitting-receiving
The array antenna for the impact relative with the directivity in his frequency band etc. that the antenna element of ripple produces and fan antenna.
Accompanying drawing explanation
Fig. 1 is the figure of all examples constituted of the antenna for base station illustrating the tracking exchage being suitable for the 1st embodiment.
A () is the axonometric chart of antenna for base station, (b) is that antenna for base station arranges the figure that example illustrates.
Fig. 2 is the axonometric chart of the example illustrating the fan antenna being suitable for the 1st embodiment.
Fig. 3 is the array antenna from the fan antenna being suitable for the 1st embodiment is observed in the vertical line direction of reflecting plate
The sectional view in the vertical line direction of top view and reflecting plate.A () illustrates top view, (b) illustrates on the IIIb-IIIb line of (a)
Sectional view.
Fig. 4 is in the array antenna being shown in and being suitable for the 1st embodiment, be sandwiched in 2 low-frequency band dipole element it
Between 2 high frequency band dipole element respective vertical in the figure of directivity.A () illustrates and is configured on the upside of vertical direction
The directivity of high frequency band dipole element, (b) illustrates and is configured at high frequency band dipole element on the downside of vertical direction
Directivity.
In Fig. 5 is vertical in the array antenna illustrating and being suitable for the 1st embodiment, high frequency band horizontal polarized wave
The figure of directivity in the vertical of the horizontal polarized wave of directivity and low-frequency band.A () illustrates hanging down of the horizontal polarized wave of high frequency band
Facing interior directivity directly, (b) illustrates directivity in the vertical of the horizontal polarized wave of low-frequency band.
Fig. 6 is the axonometric chart being shown without being suitable for an example of the fan antenna of the 1st embodiment.
Fig. 7 is to observe the array antenna not having to be suitable for the fan antenna of the 1st embodiment from the vertical line direction of reflecting plate
Top view and the sectional view in vertical line direction of reflecting plate.A () illustrates top view, (b) illustrates the section view on VIIb-VIIb line
Figure.
Fig. 8 is in the array antenna being shown in and not being suitable for the 1st embodiment, is sandwiched in 2 low-frequency band dipole element
Between 2 high frequency band dipole element each vertical in the figure of directivity.A () illustrates and is configured on the upside of vertical direction
The directivity of high frequency band dipole element, (b) illustrates the finger being configured at the high frequency band dipole element on the downside of vertical direction
Tropism.
Fig. 9 is to be shown without being suitable in the array antenna of the 1st embodiment, the vertical of high frequency band horizontal polarized wave
Interior directivity and the figure of directivity in the vertical of the horizontal polarized wave of low-frequency band.A () illustrates the horizontal polarized wave of high frequency band
Directivity in vertical, (b) illustrates directivity in the vertical of the horizontal polarized wave of low-frequency band.
Figure 10 is to being suitable for the array antenna of the 1st embodiment and not having to be suitable for the array antenna of the 1st embodiment
What in the vertical of the horizontal polarized wave of middle and high frequency band, directivity was different will be because of the figure illustrated.A () illustrates and has been suitable for the 1st
The array antenna of embodiment, (b) is shown without being suitable for the array antenna of the 1st embodiment.
Figure 11 is the axonometric chart of the example illustrating the fan antenna being suitable for the 2nd embodiment.
Figure 12 is the array antenna from the fan antenna being suitable for the 2nd embodiment is observed in the vertical line direction of reflecting plate
The sectional view in the vertical line direction of top view and reflecting plate.A () illustrates top view, (b) illustrates on the XIIb-XIIb line in (a)
Sectional view.
Figure 13 is the axonometric chart of the example illustrating the fan antenna being suitable for the 3rd embodiment.
Figure 14 is the array antenna from the fan antenna being suitable for the 3rd embodiment is observed in the vertical line direction of reflecting plate
The sectional view in the vertical line direction of top view and reflecting plate.A () illustrates top view, (b) illustrates on the XIVb-XIVb line of (a)
Sectional view.
Detailed description of the invention
Hereinafter, referring to the drawings embodiments of the present invention are described in detail.
[the 1st embodiment]
＜ antenna for base station 1 ＞
Fig. 1 is all examples constituted of the antenna for base station 1 illustrating the tracking exchage being suitable for the 1st embodiment
Figure.Fig. 1 (a) is the axonometric chart of antenna for base station 1, and Fig. 1 (b) is that antenna for base station 1 is arranged the figure that example illustrates.
As shown in Fig. 1 (a), antenna for base station 1 such as possesses 3 fan antenna 10-1～10-3 being held in steel tower 20.
And, as shown in Fig. 1 (b), antenna for base station 1 receives and dispatches electric wave (beam) in unit 2.That is, unit 2 is that antenna for base station 1 sends
The scope that electric wave arrives, is antenna for base station 1 scope that receives electric wave.
The respective profile of fan antenna 10-1～10-3 (antenna house (radome) 500 in Fig. 2 described later) is round
Tubular, it is substantially vertical that this cylinder is arranged with respect to the earth.
As shown in Fig. 1 (b), unit 2 has the multiple fans being angularly partitioned on the horizontal plane orthogonal with vertical direction
District 3-1～3-3.Sector 3-1～3-3 is set to corresponding with the 3 of antenna for base station 1 fan antenna 10-1～10-3 respectively.That is,
In the case of fan antenna 10-1～10-3 radiation electric wave, the electric field of the electric wave that fan antenna 10-1～10-3 each exports is big
The direction of main lobe 11 towards corresponding sector 3-1～3-3.
Here, when difference fan antenna 10-1～10-3 the most respectively, mark as fan antenna 10.It addition, regardless of
Not Qu Bie sector 3-1～3-3 time, mark as sector 3.
It addition, the antenna for base station 1 illustrated the most as an example possess 3 fan antenna 10-1～10-3 and and it
Corresponding sector 3-1～3-3.But, fan antenna 10 and sector 3 can also be less than 3 or number more than 3
Amount.It addition, in Fig. 1 (b), unit 2 trisection Ground Split (120 ° of central angle) is constituted by sector 3 but it also may no
Decile, it is also possible to any 1 sector 3 is configured to wider than other sectors 3 or narrow.
And, each fan antenna 10 possesses the dipole element (ginseng of the low-frequency band possessed relative to fan antenna 10
According to low-frequency band dipole element 110-1 in Fig. 2 described later～110-3.When difference the most respectively, mark token is low-frequency band
By dipole element 110.) send signal and receive the transmitting-receiving cable 31 of signal (receiving and transmitting signal).Further, bag
Include relative to the dipole element of high frequency band (with reference to high frequency band dipole element 120-1 in Fig. 2 described later～120-6.
When difference the most respectively, token is high frequency band dipole element 120.) send signal and receive signal (transmitting-receiving
Signal) transmitting-receiving cable 32.
The receiving and transmitting part receiving and dispatching receiving and transmitting signal that transmitting-receiving cable 31,32 is connected to be arranged in base station (not shown) (is not schemed
Show).Transmitting-receiving cable 31,32 for example, coaxial cable.
Mainly it is set to antenna for base station 1 below it addition, send electric wave and illustrate, but due to the reversibility of antenna, base station
Antenna 1 also is able to receive electric wave.In the case of receiving electric wave, such as, it is set to transmission signal receive signal, makes the stream of signal
Dynamic reverse.
It addition, fan antenna 10 can also possess for making the multiple low-frequency band dipoles possessed to fan antenna 10
The phase shifter that the phase place sending signal each sent of element 110 is mutually different.Further, it is also possible to possess for making to fan
The phase place sending signal each sent of multiple high frequency band dipole element 120 that district's antenna 10 is possessed is mutually different
Other phase shifters.
Can be set as, by making to multiple low-frequency band dipole element 110 and/or high frequency band dipole element
The phase place sending signal of 120 supplies is different, makes the radiation direction of electric wave (beam) with respect to the horizontal plane tilt to direction, ground
(making electric wave tilt), electric wave will not arrive outside unit 2.
＜ fan antenna 10 ＞
Fig. 2 is the axonometric chart of the example illustrating the fan antenna 10 being suitable for the 1st embodiment.In fig. 2 it is shown that will figure
One in fan antenna 10-1～10-3 shown in 1 axonometric chart that is laterally disposed and that observe from incline direction.
Fan antenna 10 possesses array antenna 100 and receives the antenna house 500 of array antenna 100 in the way of encirclement.
In fig. 2, antenna house 500 is represented by broken line so that be arranged at the array antenna 100 of the inside of antenna house 500
Visible.
Array antenna 100 possesses: reflecting plate 200；Low-frequency band dipole element 110-1～110-3, they are along Vertical Square
To being arranged on reflecting plate 200, as the 1st antenna element receiving and dispatching electric wave in the low-frequency band of the example as the 1st frequency band
One example；High frequency band dipole element 120-1～120-6, they are the most vertically arranged on reflecting plate 200, as
The high frequency band of the example as the 2nd frequency band is received and dispatched an example of the 2nd antenna element of electric wave；With conductor 130-1～130-4,
They are the most vertically arranged on reflecting plate 200 and are constructed from a material that be electrically conducting.It addition, at difference conductor 130-the most respectively
When 1～130-4, mark as conductor 130.
Low-frequency band dipole element 110, high frequency band dipole element 120 and conductor 130 are constructed from a material that be electrically conducting i.e.
Can, the metallic plates such as such as Al, Cu can be suitable for.It addition, be not limited to tabular, it is also possible to be the metal bars such as Al, Cu.Enter one
Step, low-frequency band dipole element 110, high frequency band dipole element 120 and conductor 130, it is also possible to by being arranged at by glass
The metal levels such as Al, Cu on substrate that the dielectric substances such as epoxy resin are constituted are constituted.
In FIG. 2, it is assumed that low-frequency band dipole element 110, high frequency band dipole element 120 and conductor 130 are shown as
It is arranged at the metal level on the substrate being made up of dielectric substances such as glass epoxy resins.It addition, be made up of dielectric substance
The token of substrate omits.In other figure too.
Reflecting plate 200 is the parts of the tabular being constructed from a material that be electrically conducting, and here, longitudinally is set to vertical direction.
As reflecting plate, the metallic plates such as such as Al, Cu can be suitable for.Alternatively, it is also possible to be disposed on being situated between by electricity such as glass epoxy resins
The metal levels such as Al, Cu on substrate that material is constituted.
Low-frequency band dipole element 110 (low-frequency band dipole element 110-1～110-3), leaves from reflecting plate 200
Predetermined 1st distance (distance D in Fig. 3 described laterL), in vertical direction to be spaced PLArrangement.It addition, each low-frequency band
It is set to a pair element portion the most side by side by dipole element 110, and receives and dispatches horizontal polarized wave.
High frequency band dipole element 120 (high frequency band dipole element 120-1～120-6), from reflecting plate 200 to setting
Low-frequency band dipole element 110 side is had to leave predetermined 2nd distance (distance D in Fig. 3 described laterH), vertically
To be spaced P on directionHArrangement.It addition, each high frequency band dipole element 120 is also configured as, a pair element portion is set at water
Square the most side by side, and receive and dispatch horizontal polarized wave.It addition, interval PL=2 × interval PH。
In low-frequency band dipole element 110-1～110-3, high frequency band dipole element 120-1～120-6, possess
Not shown power supply unit is also supplied to receiving and transmitting signal.
On the other hand, conductor 130-1～conductor 130-4, from reflecting plate 200 to being provided with low-frequency band dipole element 110
Side, leaves predetermined 3rd distance (distance D Fig. 3 described later from reflecting plate 200C) and arrange.It addition, each conductor
130 is the bar-shaped or tabular arranged in the horizontal direction, does not possess power supply unit.
Low-frequency band dipole element 110, high frequency band dipole element 120 and conductor 130 are configured that from respective
Point fall to point that the vertical line of reflecting plate 200 intersects with reflecting plate 200 on reflecting plate 200 on the straight line of vertical direction also
Row.
And, between 2 low-frequency bands are by dipole element 110, it is configured with 2 high frequency band dipole element 120.Example
As, in low-frequency band with between dipole element 110-1 and low-frequency band dipole element 110-2, it is provided with high frequency band dipole
Element 120-2,120-3.
It addition, conductor 130 is configured between 2 low-frequency band dipole element 110 2 set high frequency bands occasionally
Between the most sub-element 120.Such as, conductor 130-2 is arranged at institute between 2 low-frequency band dipole element 110-1,110-2
The high frequency band arranged is with between dipole element 120-2 and high frequency band dipole element 120-3.Conductor 130-2 is from high frequency band
With dipole element 120-2,120-3 respectively away from interval PH/ 2 and configure.
That is, low-frequency band dipole element 110, high frequency band dipole element 120 confounded arrangement.By so arrangement,
Compared with the situation of the most each self-align, it is possible to shorten the length of the vertical direction of array antenna 100.
What conductor 130 was configured at high frequency band dipole element 120 is configured without the one of low-frequency band dipole element 110
Side.That is, high frequency band dipole element 120 is clipped with conductor 130 by low-frequency band dipole element 110.
As described above, in array antenna 100, the most repeatedly it is arranged with low-frequency band dipole element
110, high frequency band dipole element 120, conductor 130, high frequency band dipole element 120, low-frequency band dipole element
110。
That is, between 2 adjacent low-frequency band dipole element 110,2 high frequency band dipole element 120 are accompanied.
If observed from high frequency band dipole element 120, then the side in vertical direction is configured with low-frequency band dipole element
110, but it is not provided with low-frequency band dipole element 110 the opposing party.That is, become in high frequency band dipole element 120
The most asymmetric.And, in the side being not provided with low-frequency band dipole element 110 of high frequency band dipole element 120,
It is provided with conductor 130.
It addition, the interval of high frequency band dipole element 120 and low-frequency band dipole element 110 can also be according to place
And it is different.
And, between 2 adjacent low-frequency band dipole element 110, it is also possible to accompany the high frequency band use of more than 3
Dipole element 120.In this case, vertical direction upper and lower of high frequency band dipole element 120, it is being not provided with height
Frequency band, with in the case of dipole element 120, all arranges conductor 130.
In fig. 2, in the upper end of vertical direction and the bottom of reflecting plate 200, it is provided with conductor 130-1 and conductor
130-4.That is, be formed as at above-mentioned low-frequency band dipole element 110, high frequency band dipole element 120, conductor 130, height
In frequency band dipole element 120, the low-frequency band arrangement repeatedly by dipole element 110, it is cut and conductor 130 is residued in
Upper end and the arrangement of bottom.
Alternatively, it is also possible to be to be cut to make low-frequency band dipole element 110 residue in upper end and bottom
Arrangement.Low-frequency band dipole element 110 is made to residue in upper and lower end one alternatively, it is also possible to be set to be cut
Arrangement square, that conductor 130 residues in the opposing party in upper and lower end.
But, as described later, for the generation of the side lobe in suppression directivity, it is preferable that high frequency band dipole element 120 exists
The arbitrary portion of upper end and bottom does not remains.
It addition, low-frequency band dipole element 110, high frequency band dipole element 120, the number of conductor 130 do not limit
Due to above-mentioned numerical value.
Antenna house 500 is the most cylindric, possesses wall portion 501, cap 502, bottom 503, by wall portion 501, cap
502, the inside storage array antenna 100 that bottom 503 surrounds.
Fan antenna 10 possesses low-frequency band dipole element 110 and the transmitting-receiving high frequency of the horizontal polarized wave of transmitting-receiving low-frequency band
The high frequency band dipole element 120 of the horizontal polarized wave of band, so being the fan antenna of frequency sharing.It addition, " low frequency " with
And the term of " high frequency " uses to be differentiated by 2 class antenna elements.
＜ array antenna 100 ＞
Fig. 3 is the array sky from the fan antenna 10 being suitable for the 1st embodiment is observed in the vertical line direction of reflecting plate 200
The top view of line 100 and the sectional view in the vertical line direction of reflecting plate 200.Fig. 3 (a) illustrates that top view, Fig. 3 (b) illustrate Fig. 3
Sectional view on the IIIb-IIIb line of (a).
Low-frequency band dipole element 110 is length WL, high frequency band dipole element 120 is length WH, conductor 130 is
Length WC。
It addition, distance D that aforesaid low-frequency band dipole element 110 is away from reflecting plate 200L, for standing on reflecting plate 200
From the surface of reflecting plate 200 to low-frequency band by the length at the center in the vertical line direction of dipole element 110 on vertical line.Equally, front
The high frequency band dipole element 120 stated distance D away from reflecting plate 200H, for standing on the vertical line of reflecting plate 200 from reflecting plate
The surface of 200 is to the high frequency band length at the center in the vertical line direction of dipole element 120.The most similarly, aforesaid lead
The body 130 distance D away from reflecting plate 200C, for standing on the vertical line of reflecting plate 200 from the surface of reflecting plate 200 to conductor 130
The length at the center in vertical line direction.
Here, the wavelength X in the free space of low-frequency bandL, high frequency band free space in wavelength XHSituation
Under, for low-frequency band length W of dipole element 110LEtc. parameter, an example of its numerical value is illustrated.
Low-frequency band dipole element 110, its length WLIt is about 0.45 λL, its distance D away from reflecting plate 200LIt is about 0.2
λL。
High frequency band dipole element 120, its length WHIt is about 0.45 λH, its distance D away from reflecting plate 200HIt is about 0.25
λH.And, the high frequency band interval P of dipole element 120HIt is about 0.75 λH。
Thus, the low-frequency band interval P of dipole element 110LAt 2 × interval PHIn the case of be about 1.5 λH。
And, conductor 130, its length WCIt is about 0.55 λH, its distance D away from reflecting plate 200CIt is about 0.25 λH。
Here, the high frequency band dipole element 120 distance D away from reflecting plate 200HWith conductor 130 away from reflecting plate 200
Distance DCIt is set as equal.It addition, distance DHWith distance DCCan also be different.
It addition, above-mentioned parameter can also be set as numerical value other than the above.
It addition, in Fig. 2, Fig. 3, be set to horizontal polarized wave and low-frequency band dipole element 110, high frequency band dipole
Element 120, conductor 130 orientation orthogonal but it also may intersect.
Fig. 4 is in the array antenna 100 being shown in and being suitable for the 1st embodiment, is sandwiched in 2 low-frequency band dipole element
The figure of directivity in each vertical of 2 high frequency band dipole element 120 between 110.Fig. 4 (a) illustrates and is configured at vertically
High frequency band on the upside of the direction directivity of dipole element 120, Fig. 4 (b) illustrates the high frequency band being configured on the downside of vertical direction
Directivity by dipole element 120.It addition, in this manual, in the curve chart of directivity, vertical direction is set to
0 °, low-frequency band dipole element 110, high frequency band dipole element 120, conductor 130 will be configured with relative to reflecting plate 200
Direction be set to 90 °.
By Fig. 2, Fig. 3, directivity in the vertical of the high frequency band dipole element 120 shown in Fig. 4 is illustrated.
What is called is sandwiched in 2 high frequency band dipole element 120 between 2 low-frequency band dipole element 110, for example, by low-frequency band
By dipole element 110-1 and high frequency band dipole element 120-2 folded by low-frequency band dipole element 110-2 and height
Frequency band dipole element 120-3.And, high frequency band dipole element 120-3 is to be configured at the high frequency on the upside of vertical direction
Band dipole element 120, high frequency band dipole element 120-2 is to be configured at the high frequency band dipole on the downside of vertical direction
Element 120.
As shown in Fig. 4 (a), (b), it is configured at high frequency band dipole element 120 (such as, the high frequency on the upside of vertical direction
Band dipole element 120-3) directivity with the high frequency band dipole element 120 being configured on the downside of vertical direction (such as,
High frequency band dipole element 120-2) the difference of directivity, be suitable for the battle array of the 1st embodiment than not having shown in Fig. 8 described later
The high frequency band dipole element 120 of array antenna 100 is little.
This is because, as described later, in 2 high frequency bands dipole element 120 (such as, high frequency band dipole element
120-2,120-3) between be provided with conductor 130 (such as, conductor 130-2).
Fig. 5 is the vertical of in the array antenna 100 illustrating and being suitable for the 1st embodiment, high frequency band horizontal polarized wave
The figure of directivity in the vertical of the horizontal polarized wave of directivity and low-frequency band in face.Fig. 5 (a) illustrates the horizontal polarization of high frequency band
Directivity in the vertical of ripple, Fig. 5 (b) illustrates directivity in the vertical of the horizontal polarized wave of low-frequency band.
It addition, directivity is by 12 Fig. 4 (a), (b) in the vertical of the horizontal polarized wave of the high frequency band shown in Fig. 5 (a)
Shown high frequency band dipole element 120 synthesizes the directivity of gained.
As shown in Fig. 5 (a), (b), the level pole of directivity and low-frequency band in the vertical of the horizontal polarized wave of high frequency band
Change directivity in the vertical of ripple, all on 90 ° of directions, there is peak value suddenly.
Particularly, directivity and Fig. 9 (a) institute described later in the vertical of the horizontal polarized wave of the high frequency band shown in Fig. 5 (a)
The situation not having to be suitable for the array antenna 100 of the 1st embodiment shown is compared, and suppresses less by side lobe.
Fig. 6 is the axonometric chart being shown without being suitable for an example of the fan antenna 10 of the 1st embodiment.Not not having shown in Fig. 6
It is suitable for the fan antenna 10 of the 1st embodiment, does not possess the battle array of the fan antenna 10 being suitable for the 1st embodiment shown in Fig. 2
Conductor 130 in array antenna 100.Other are constituted as the fan antenna 10 being suitable for the 1st embodiment shown in Fig. 2, institute
With mark same reference numerals, explanation is omitted.
Fig. 7 is to observe the array not having to be suitable for the fan antenna 10 of the 1st embodiment from the vertical line direction of reflecting plate 200
The top view of antenna 100 and the sectional view in the vertical line direction of reflecting plate 200.Fig. 7 (a) illustrates that top view, Fig. 7 (b) illustrate
Sectional view on VIIb-VIIb line.
Not having shown in Fig. 7 is suitable for the array antenna 100 of the 1st embodiment, do not possess shown in Fig. 3 to be suitable for the 1st real
Execute the conductor 130 in the array antenna 100 of mode.Other are constituted and the array antenna being suitable for the 1st embodiment shown in Fig. 3
100 is same, so marking same reference numerals and explanation being omitted.
Fig. 8 is in the array antenna 100 being shown in and not being suitable for the 1st embodiment, be sandwiched in 2 low-frequency band dipoles unit
The figure of directivity in the respective vertical of 2 high frequency band dipole element 120 between part 110.Fig. 8 (a) illustrates configuration
High frequency band on the upside of the vertical direction directivity of dipole element 120, Fig. 8 (b) illustrates and is configured on the downside of vertical direction
The high frequency band directivity of dipole element 120.
By Fig. 6, Fig. 7, directivity in the vertical of the high frequency band dipole element 120 shown in Fig. 8 is illustrated.
What is called is sandwiched in 2 high frequency band dipole element 120 between 2 low-frequency band dipole element 110, e.g. low-frequency band and uses
Dipole element 110-1 and low-frequency band folded by dipole element 110-2, high frequency band dipole element 120-2 and height
Frequency band dipole element 120-3.And, high frequency band dipole element 120-3 is to be configured at the high frequency on the upside of vertical direction
Band dipole element 120, high frequency band dipole element 120-2 is to be configured at the high frequency band dipole on the downside of vertical direction
Element 120.
As shown in Fig. 8 (a), (b), it is configured at high frequency band dipole element 120 (such as, the high frequency on the upside of vertical direction
Band dipole element 120-3) directivity with the high frequency band dipole element 120 being configured on the downside of vertical direction (such as,
High frequency band dipole element 120-2) directivity have difference.
That is, in the high frequency band dipole element 120 being configured on the upside of vertical direction shown in Fig. 8 (a), it is shown that
There is on 135 ° of directions the directivity of peak value.
On the other hand, in the high frequency band dipole element 120 being configured on the downside of vertical direction shown in Fig. 8 (b), show
Go out the directivity on 45 ° of directions with peak value.
Their directivity and the high frequency band dipole in the array antenna 100 being suitable for the 1st embodiment shown in Fig. 4
The directivity of sub-element 120 is different.
Fig. 9 is to be shown without being suitable for hanging down of in the array antenna 100 of the 1st embodiment, high frequency band horizontal polarized wave
The figure of directivity in the vertical of the horizontal polarized wave facing interior directivity and low-frequency band directly.Fig. 9 (a) illustrates the level pole of high frequency band
Changing directivity in the vertical of ripple, Fig. 9 (b) illustrates directivity in the vertical of the horizontal polarized wave of low-frequency band.
It addition, directivity is by 12 Fig. 8 (a), (b) in the vertical of the horizontal polarized wave of the high frequency band shown in Fig. 9 (a)
The directivity that shown high frequency band dipole element 120 is synthesized into.
As shown in Fig. 9 (a), the horizontal polarized wave of high frequency band, in vertical, 90 ° of directions have stronger peak value,
But on 50 ° of directions and 130 ° of directions, produce bigger side lobe.This is because, 2 shown in Fig. 8 (a), (b) high frequency band is used
Dipole element 120 has peak value on 45 ° of directions and 135 ° of directions.It has been suitable for the 1st shown in this directivity and Fig. 5 (a)
In the vertical of the horizontal polarized wave of the high frequency band in the array antenna 100 of embodiment, directivity is different.
On the other hand, in the vertical of the horizontal polarized wave of the low-frequency band shown in Fig. 9 (b) shown in directivity and Fig. 5 (b)
In the vertical of the horizontal polarized wave of the low-frequency band being suitable in the array antenna 100 of the 1st embodiment, the difference of directivity is few.
It follows that by being suitable for the array antenna 100 of the 1st embodiment and the array not having to be suitable for the 1st embodiment
Antenna 100, in the horizontal polarized wave of high frequency band, what directivity was different will be because illustrating.
Figure 10 is by being suitable for the array antenna 100 of the 1st embodiment and the array sky not having to be suitable for the 1st embodiment
Line 100, to directivity in the vertical in the horizontal polarized wave of high frequency band different will be because of the figure illustrated.Figure 10 (a) shows
Going out the array antenna 100 being suitable for the 1st embodiment, Figure 10 (b) is shown without being suitable for the array antenna 100 of the 1st embodiment.
Figure 10 (a), (b) are sectional views, Figure 10 (a) illustrate in Fig. 3 (b) by low-frequency band dipole element 110-1
With low-frequency band scope folded by dipole element 110-2, Figure 10 (b) illustrates in Fig. 7 (b) by low-frequency band dipole element
110-1 and low-frequency band scope folded by dipole element 110-2.
In the array antenna 100 being suitable for the 1st embodiment shown in Figure 10 (a), such as from high frequency band dipole
A part of α of the electric wave of element 120-2 outgoing is directed away from reflecting plate after being reflected by low-frequency band dipole element 110-1
The side of 200.It addition, from another part β of the electric wave of high frequency band dipole element 120-2 outgoing anti-by conductor 130-2
The side of reflecting plate 200 it is directed away from after penetrating.
In the array antenna 100 being suitable for the 1st embodiment, relative to high frequency band dipole element 120-2,
Position symmetrical in vertical direction or be provided with low-frequency band dipole element 110-1 and conductor 130-close to symmetrical position
2.Thus, the high frequency band directivity of the electric wave of dipole element 120-2 outgoing, as shown in Fig. 4 (b), close in vertical
Symmetrical above and below.
High frequency band with in dipole element 120-3 too.
On the other hand, in not having shown in Figure 10 (b) is suitable for the array antenna 100 of the 1st embodiment, such as, from height
A part of α of the electric wave of frequency band dipole element 120-2 outgoing by low-frequency band dipole element 110-1 reflect after towards
Side away from reflecting plate 200.But, owing to being not provided with conductor 130-2, so from high frequency band dipole element 120-2
Another part β of the electric wave of outgoing keeps intact to advance and is directed away from reflecting plate 200.
Do not having to be suitable in the array antenna 100 of the 1st embodiment, the high frequency band electricity of dipole element 120-2 outgoing
The directivity of ripple, as shown in Fig. 8 (b), the most symmetrical above and below in vertical.
High frequency band with in dipole element 120-3 too.
As described above, in the array antenna 100 being suitable for the 1st embodiment, by being sandwiched in 2 low-frequency bands occasionally
Between 2 high frequency band dipole element 120 between the most sub-element 110, arrange as low-frequency band dipole element 110
There is the conductor 130 of the function reflecting the electric wave from high frequency band dipole element 120 outgoing, so that point in vertical
Property becomes symmetrical above and below in vertical direction.
Thus, it is suppressed that produce on directivity in vertical in the horizontal polarized wave of the high frequency band of array antenna 100
Side lobe.
Thus, the conductor 130 distance D away from reflecting plate 200C, as long as the high frequency band at array antenna 100 can be suppressed
Horizontal polarized wave produces on directivity in vertical the position of side lobe.
In the above description, the conductor 130 distance D away from reflecting plate 200CBe set to high frequency band dipole element 120 away from
Distance D of reflecting plate 200HIdentical but it also may with the low-frequency band dipole element 110 distance D away from reflecting plate 200LIt is identical,
Can also be in distance DHWith distance DLBetween.Further, it is also possible to ratio distance DHLittle, it is also possible to ratio distance DLGreatly.
[the 2nd embodiment]
In the 1st embodiment, fan antenna 10 (array antenna 100) is set to receive and dispatch low-frequency band and the level of high frequency band
The fan antenna of the frequency sharing of polarized wave.
In the 2nd embodiment, fan antenna 10 (array antenna 100), it is set to receive and dispatch water in low-frequency band and high frequency band
The fan antenna that flat polarized wave and the frequency sharing of vertically polarized wave and polarized wave share.
Hereinafter, the fan antenna 10 different from the 1st embodiment and array antenna 100 are illustrated.
＜ fan antenna 10 ＞
Figure 11 is the axonometric chart of the example illustrating the fan antenna 10 being suitable for the 2nd embodiment.
Be suitable for the 2nd embodiment fan antenna 10 array antenna 100 be suitable for the 1st embodiment party shown in Fig. 2
The fan antenna 10 of formula is different.Hereinafter, illustrating different parts, same part marks same reference numerals and will say
Bright omission.
Be suitable for the array antenna 100 in the fan antenna 10 of the 2nd embodiment, except shown in Fig. 2 be suitable for the 1st enforcement
That the fan antenna 10 of mode is possessed, transmitting-receiving low-frequency band dipole element 110-1 of horizontal polarized wave～110-3, high frequency
Band, with outside dipole element 120-1～120-6, conductor 130-1～130-4, is also equipped with the 3rd day as transmitting-receiving vertically polarized wave
The low-frequency band of one example of kind of thread elements dipole element 111-1～111-3, low-frequency band dipole element 112-1～112-3,
High frequency band dipole element 121-1～121-6 as an example of the 4th antenna element.It addition, distinguishing low-frequency band the most respectively
It is low-frequency band dipole element 111 with token when dipole element 111-1～111-3, even in difference low-frequency band the most respectively
During the most sub-element 112-1～112-3, token is low-frequency band dipole element 112, in difference high frequency band dipole the most respectively
During element 121-1～121-6, token is high frequency band dipole element 121.
And, low-frequency band dipole element 111 and low-frequency band dipole element 112 possess in vertical direction respectively
The a pair element portion being set up in parallel, this pair element portion is arranged at one end of the horizontal direction of low-frequency band dipole element 110
Portion and the other end.Such as, low-frequency band dipole element 111-1 and low-frequency band dipole element 112-1 are arranged at low frequency
The band one end of dipole element 110-1 and the other end.
On the other hand, high frequency band dipole element 121 possesses a pair element portion being set up in parallel in vertical direction, and
It is combined as crosswise with high frequency band dipole element 120 and arranges.Such as, high frequency band dipole element 121-1 and high frequency
Band dipole element 120-1 is combined as crosswise and arranges.
Low-frequency band dipole element 111, low-frequency band dipole element 112, high frequency band dipole element 121, with
Low-frequency band dipole element 110, high frequency band dipole element 120, conductor 130 are same, are constructed from a material that be electrically conducting, can
To be suitable for the metallic plates such as such as Al, Cu.It addition, be not limited to tabular, it is also possible to be the metal bars such as Al, Cu.Further, with low
Frequency band dipole element 110, high frequency band dipole element 120, conductor 130 are same, low-frequency band dipole element 111,
Low-frequency band dipole element 112, high frequency band dipole element 121 can also be situated between by electricity such as glass epoxy resins by being arranged at
The metal levels such as Al, Cu on substrate that material is constituted are constituted.
And, fan antenna 10 removes the transmitting-receiving cable of the low-frequency band of the 1st embodiment and the horizontal polarized wave of high frequency band
31, outside 32, it is also equipped with the transmitting-receiving cable 33,34 of the vertically polarized wave of low-frequency band and high frequency band.
It addition, low-frequency band dipole element 110,111,112, high frequency band dipole element 120,121, conductor 130
Number be not limited to above-mentioned numerical value.
＜ array antenna 100 ＞
Figure 12 is the array from the fan antenna 10 being suitable for the 2nd embodiment is observed in the vertical line direction of reflecting plate 200
The top view of antenna 100 and the sectional view in the vertical line direction of reflecting plate 200.Figure 12 (a) illustrates that top view, Figure 12 (b) illustrate
The sectional view on XIIb-XIIb line in Figure 12 (a).
Low-frequency band dipole element 110, high frequency band dipole element 120, parameter (the low-frequency band idol of conductor 130
Length W of the most sub-element 110LDeng) in a same manner as in the first embodiment.
And, low-frequency band dipole element 111 and low-frequency band dipole element 112 and low-frequency band dipole element
110 are similarly length WL, it is set to away from reflecting plate 200 apart from DL。
High frequency band dipole element 121 and high frequency band dipole element 120 are similarly length WH, it is set to away from reflection
Plate 200 is apart from DH。
In array antenna 100 in the 2nd embodiment, high frequency band is by dipole element 120,121 in vertical direction
Also clipped with conductor 130 by low-frequency band dipole element 110.Thereby, it is possible in vertical direction, going out of horizontal polarized wave is made
Radio wave reflects symmetrically.
Thereby, it is possible to suppression is produced on directivity in the horizontal polarized wave of the high frequency band of array antenna 100 in vertical
Raw side lobe.
Here, it is set to polarized wave in low-frequency band and high frequency band share but it also may only a side is set to polarized wave
Share.It addition, low-frequency band by dipole element 111 and low-frequency band dipole element 112 distance away from reflecting plate 200, no
Necessarily with the low-frequency band dipole element 110 distance D away from reflecting plate 200LIdentical, it is also possible to be set to and distance DLDifferent
Distance DL′.Equally, high frequency band with the dipole element 121 distance away from reflecting plate 200 the most necessarily with high frequency band dipole unit
The part 120 distance D away from reflecting plate 200HIdentical, it is also possible to be set to and distance DHDifferent distances DH′。
[the 3rd embodiment]
The fan antenna 10 (array antenna 100) of the 3rd embodiment and the sky, sector being suitable for the 2nd embodiment are suitable for it
Line 10 (array antenna 100) is similarly the frequency of transmitting-receiving low-frequency band and the vertically polarized wave of high frequency band and horizontal polarized wave altogether
With and polarized wave share.
Be suitable for the 3rd embodiment fan antenna 10 array antenna 100 be suitable for the 2nd embodiment party shown in Figure 11
The fan antenna 10 of formula is different.Hereinafter, illustrating different parts, same part marks same reference numerals and will say
Bright omission.
＜ fan antenna 10 ＞
Figure 13 is the axonometric chart of the example illustrating the fan antenna 10 being suitable for the 3rd embodiment.
The array antenna 100 being suitable in the fan antenna 10 of the 3rd embodiment possesses the transmitting-receiving the 1st enforcement shown in Fig. 2
The low-frequency band of the horizontal polarized wave in mode by dipole element 110-1～110-3, high frequency band dipole element 120-1～
120-6.It addition, high frequency band dipole element 120-1～120-6 and the 1st embodiment are different, dislocation in the horizontal direction and
Configuration.
And, possess and possess respectively the most also in the same manner as high frequency band dipole element 120-1～120-6
A pair element portion of row and configure in vertical direction, as another example of the 2nd antenna element receiving and dispatching horizontal polarized wave
High frequency band dipole element 122-1～122-6.
High frequency band dipole element 120-1～120-6 and high frequency band dipole element 122-1～122-6, suffix (-
1 etc.) identical arrange side by side in the horizontal direction.
And, for transmitting-receiving vertically polarized wave, possess the low-frequency band dipole element of another example as the 3rd antenna element
113-1～113-3, high frequency band dipole element 121-1～the 121-6 of another example, high frequency band as the 4th antenna element are used
Dipole element 123-1～123-6.
Enter one, replace conductor 130-1～130-4 in the 1st embodiment and the 2nd embodiment, and be provided with conductor
131-1～131-4, conductor 132-1～132-4.
Difference low-frequency band the most respectively by dipole element 113-1～113-3, high frequency band dipole element 122-1～
When 122-6, high frequency band are with dipole element 123-1～123-6, mark into low-frequency band dipole element 113, high frequency band occasionally
The most sub-element 122, high frequency band dipole element 123.It addition, at difference conductor 131-1～131-4, conductor 132-1 the most respectively
～during 132-4, mark as conductor 131, conductor 132.
Low-frequency band dipole element 113, high frequency band dipole element 121, high frequency band dipole element 122, height
Frequency band dipole element 123, conductor 131, conductor 132 and low-frequency band dipole element 110, high frequency band dipole element
120 is same, is constructed from a material that be electrically conducting, can be suitable for the metallic plates such as such as Al, Cu.It addition, be not limited to tabular, it is possible to
To be the metal bars such as Al, Cu.Further, with low-frequency band dipole element 110, high frequency band with as dipole element 120, low
Frequency band dipole element 113, high frequency band dipole element 121, high frequency band dipole element 122, high frequency band dipole
Sub-element 123, conductor 131, conductor 132 can also be by being arranged on the substrate being made up of dielectric substances such as glass epoxy resins
The metal level such as Al, Cu constitute.
Low-frequency band dipole element 113 is combined as crosswise with low-frequency band dipole element 110 and arranges.Such as,
Low-frequency band dipole element 113-1 is combined as crosswise with low-frequency band dipole element 110-1 and arranges.
High frequency band by dipole element 121 in a same manner as in the second embodiment, is combined as with high frequency band dipole element 120
Crosswise and arrange.Such as, high frequency band dipole element 121-1 and high frequency band dipole element 120-1 are combined as cross
Shape and arrange.
Further, high frequency band dipole element 123 is combined as crosswise with high frequency band dipole element 122 and sets
Put.Such as, high frequency band dipole element 123-1 is combined as crosswise with high frequency band dipole element 122-1 and arranges.
Further, conductor 131, the plan view shape on its face parallel with the face comprising reflecting plate 200 is H shape, arranges
Between 2 high frequency band dipole element 120 set between 2 low-frequency bands by dipole element 110.Such as, exist
The high frequency band dipole unit being arranged between low-frequency band dipole element 110-1 and low-frequency band dipole element 110-2
Part 120-2 and high frequency band, with between dipole element 120-3, are provided with conductor 131-2.
Conductor 132, is H word with the plan view shape on conductor 131 similarly its face parallel with the face comprising reflecting plate 200
Shape, is arranged between 2 low-frequency band dipole element 110 between 2 set high frequency band dipole element 122.
Such as, even at the high frequency band being arranged between low-frequency band dipole element 110-1 and low-frequency band dipole element 110-2
Between the most sub-element 122-2 and high frequency band dipole element 122-3, it is provided with conductor 132-2.
And, fan antenna 10 removes the transmitting-receiving cable of the low-frequency band of the 1st embodiment and the horizontal polarized wave of high frequency band
31, outside 32, it is also equipped with the transmitting-receiving cable 33,34 of the vertically polarized wave of low-frequency band and high frequency band.
It addition, low-frequency band dipole element 110,113, high frequency band dipole element 120,121,122,123, conductor
131, the number of 132 is not limited to above-mentioned numerical value.
It addition, it is necessarily the most parallel with reflecting plate 200 with the face of conductor 132 to comprise conductor 131, for example, it is also possible to it is phase
For the face after reflecting plate 200 vertical direction and/or rotation 45 degree.
And, conductor 131 and conductor 132 may not be planar, but by bar-shaped conductor bends be H shape and/
Or U-shaped.Further, it is also possible to be to possess the shape towards the parts different from the parts constituting central part in end.This
Time, the preferred direct current of these parts connects.
＜ array antenna 100 ＞
Figure 14 is the array from the fan antenna 10 being suitable for the 3rd embodiment is observed in the vertical line direction of reflecting plate 200
The top view of antenna 100 and the sectional view in the vertical line direction of reflecting plate 200.Figure 14 (a) illustrates that top view, Figure 14 (b) illustrate
Sectional view on the XIVb-XIVb line of Figure 14 (a).
Low-frequency band dipole element 110, parameter (the low-frequency band dipole element of high frequency band dipole element 120
Length W of 110LDeng) in a same manner as in the first embodiment.
Further, the parameter of low-frequency band dipole element 113 is identical with low-frequency band dipole element 110, high frequency band
Parameter by dipole element 121,122,123 is identical with high frequency band dipole element 120.
And, conductor 131,132 is arranged at away from reflecting plate 200 apart from DCPosition.
The plan view shape of the H font of conductor 131,132 is for the electrical length of equally lengthened conductors 131,132.Pass through
Lengthen, make conductor 131,132 work as reflector, it is thus achieved that the electric wave of high frequency band dipole element 120 outgoing by low
The balance of frequency band dipole element 110 reflection carried out and the reflection carried out by conductor 131 or conductor 132, for vertically
Upside in face and downside guarantee the symmetry of directivity.Thus, in array antenna 100, suppression is in the level pole of high frequency band
The side lobe produced on directivity in the vertical of change ripple.
As described above, in the array antenna 100 being suitable for the 3rd embodiment, for the transmitting-receiving of horizontal polarized wave
High frequency band dipole element 120, also in the both sides of vertical direction and low-frequency band with in dipole element 110 and conductor 131
Either one is adjacent.Equally, high frequency band dipole element 122, in the both sides of vertical direction also with low-frequency band dipole element
110 and conductor 132 in either one is adjacent.Thus, in array antenna 100, at the vertical of the horizontal polarized wave of high frequency band
The side lobe produced on interior directivity is inhibited.
In array antenna 100 in the 3rd embodiment, high frequency band dipole element 120, the most in vertical direction by
Low-frequency band dipole element 110 clips with conductor 131.It addition, high frequency band dipole element 122, in vertical direction by
Low-frequency band dipole element 110 clips with conductor 132.
Thereby, it is possible to the side lobe of directivity in vertical in the horizontal polarized wave of the high frequency band of suppression array antenna 100
Rank.
Here, it is set to polarized wave in low-frequency band and high frequency band share but it also may a side is only set to polarized wave altogether
With.
Alternatively, it is also possible to the plan view shape of the conductor 130 in the 1st embodiment and the 2nd embodiment is set to H shape
Or U-shaped.
In the 1st embodiment to the 3rd embodiment, conductor 130,131,132 is set to the conductor being constructed from a material that be electrically conducting,
But as long as there is the function of reflection wave, it is possible to use the material with carbon element etc. that conductivity is lower than metal material.
In the 1st embodiment to the 3rd embodiment, reflecting plate 200 is set to smooth tabular, but the two ends of horizontal direction
Portion can also be to being provided with a lateral buckling such as low-frequency band dipole element 110, high frequency band dipole element 120, it is also possible to
It is provided with the opposition side bending of the side of high frequency band dipole element 120 grade.
Further, the conductor 131,132 in conductor the 130, the 3rd embodiment of the 1st embodiment and the 2nd embodiment
Unpowered, is set to be not attached to any parts but it also may be electrically connected to reflecting plate 200.
Further, it is also possible in low-frequency band dipole element 110, the high frequency band dipole element of the 1st embodiment
120, the low-frequency band of the 2nd embodiment dipole element 110,111,112, high frequency band dipole element the 120,121, the 3rd
The low-frequency band of embodiment dipole element 110,113, a part for high frequency band dipole element 120,121,122,123
Or all, it is provided with the nothing for adjusting the characteristics such as voltage standing wave ratio (VSWR) and/or directivity in the side away from reflecting plate 200
Power supply component.
In the 2nd embodiment and the 3rd embodiment, it is set to receive and dispatch vertically polarized wave and horizontal polarized wave.
But, in the 2nd embodiment, by by equal for suffix (-1 etc.) low-frequency band dipole element 110,111,
112 are set to one group and are allowed to the central rotation 45 ° in low-frequency band dipole element 110, and by equal for suffix (-1 etc.)
High frequency band dipole element 120,121 is set to one group and is allowed to the central rotation in high frequency band dipole element 120,121
45 ° such that it is able to receive and dispatch the polarized wave of ± 45 °.
Now, array antenna 100 does not receive and dispatch vertically polarized wave and horizontal polarized wave, receives and dispatches the polarized wave of ± 45 °.By
This, replace with " 45 ° ", "-45 ° " by " vertically ", " level ".For other angles polarized wave too.
The present invention is not limited to above-mentioned embodiment, can suitably become without departing from the range of idea of the invention
More.
Description of reference numerals
1 ... antenna for base station, 2 ... unit, 3,3-1～3-3 ... sector, 10,10-1～10-3 ... fan antenna, 11 ... main
Lobe, 20 ... steel tower, 31,32,33,34 ... transmitting-receiving cable, 100 ... array antenna, 110,110-1～110-3,111,111-1～
111-3,112,112-1～112-3,113,113-1～113-3 ... low-frequency band dipole element, 120,120-1～120-6,
121,121-1～121-6,122,122-1～122-6,123,123-1～123-6 ... high frequency band dipole element, 130,
130-1～130-4,131,131-1～131-4,132,132-1～132-4 ... conductor, 200 ... reflecting plate, 500 ... antenna house.
Claims (6)
1. an array antenna, possesses:
The reflecting plate being constructed from a material that be electrically conducting；
Multiple 1st antenna elements, its away from described reflecting plate predetermined 1st distance part, with predetermined polarization
Arrange on the direction that the direction of ripple intersects, the electric wave of this polarized wave in transmitting-receiving the 1st frequency band；
Multiple 2nd antenna elements, its away from described reflecting plate predetermined 2nd distance part, in said direction with described
Multiple 1st antenna elements arrange with mixing, and receive and dispatch the electric wave of the described polarized wave of 2nd frequency band higher than described 1st frequency band；With
The parts of reflection wave, the most adjacent 2 the 2nd antenna element in the plurality of 2nd antenna element
Between, in the case of any one in being configured without the plurality of 1st antenna element, it is configured with the parts of this reflection wave,
What it reflected is the electric wave of the 2nd antenna element transmitting-receiving.
Array antenna the most according to claim 1, it is characterised in that:
The parts of described reflection wave, be have on the direction of described polarized wave longitudinally be constructed from a material that be electrically conducting lead
Body, is arranged at away from the predetermined 3rd distance part of described reflecting plate.
Array antenna the most according to claim 2, it is characterised in that:
Described conductor possesses towards the parts different from the parts constituting central part in end, and each parts direct current connects.
Array antenna the most according to claim 1, it is characterised in that:
It is also equipped with in described 1st frequency band receiving and dispatching the 3rd antenna element of the electric wave of the polarized wave orthogonal with described polarized wave.
Array antenna the most according to claim 1 and 2, it is characterised in that:
It is also equipped with in described 2nd frequency band receiving and dispatching the 4th antenna element of the electric wave of the polarized wave orthogonal with described polarized wave.
6. a fan antenna, possesses array antenna and receives the antenna house of described array antenna,
Described array antenna, including:
The reflecting plate being constructed from a material that be electrically conducting；
Multiple 1st antenna elements, its away from this reflecting plate predetermined 1st distance part, with predetermined polarized wave
The direction that intersects, direction on arrange, the electric wave of this polarized wave in transmitting-receiving the 1st frequency band；
Multiple 2nd antenna elements, its away from this reflecting plate predetermined 2nd distance part, in the direction with the plurality of 1st
Antenna element arranges with mixing, and receives and dispatches the electric wave of this polarized wave of 2nd frequency band higher than the 1st frequency band；With
The parts of reflection wave, between the most adjacent 2 the 2nd antenna element in the plurality of 2nd antenna element,
In the case of any one in being configured without the plurality of 1st antenna element, it is configured with the parts of this reflection wave, its reflection
It it is the electric wave of the 2nd antenna element transmitting-receiving.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014041788A JP6267005B2 (en) | 2014-03-04 | 2014-03-04 | Array antenna and sector antenna |
| JP2014-041788 | 2014-03-04 | ||
| PCT/JP2015/056173 WO2015133458A1 (en) | 2014-03-04 | 2015-03-03 | Array antenna and sector antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106030906A true CN106030906A (en) | 2016-10-12 |
Family
ID=54055264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580008782.6A Pending CN106030906A (en) | 2014-03-04 | 2015-03-03 | Array antenna and sector antenna |
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| Country | Link |
|---|---|
| JP (1) | JP6267005B2 (en) |
| CN (1) | CN106030906A (en) |
| WO (1) | WO2015133458A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110856456A (en) * | 2017-06-21 | 2020-02-28 | 汤姆逊许可公司 | Low-height folding metal antenna |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3510666B1 (en) | 2016-09-08 | 2022-01-12 | Telefonaktiebolaget LM Ericsson (PUBL) | Antenna array and arrangement comprising an antenna array and a network node |
| CN110462931B (en) | 2017-03-29 | 2021-07-06 | 日本电业工作株式会社 | Array antenna and sector antenna |
| CN107579355A (en) * | 2017-08-15 | 2018-01-12 | 佛山市波谱达通信科技有限公司 | A kind of medium-sized double frequency vertical plane large angle spotlight antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040145526A1 (en) * | 2001-04-16 | 2004-07-29 | Carles Puente Baliarda | Dual-band dual-polarized antenna array |
| JP2006025027A (en) * | 2004-07-06 | 2006-01-26 | Ntt Docomo Inc | Two-element array antenna |
| CN201508910U (en) * | 2009-08-12 | 2010-06-16 | 江苏捷士通科技股份有限公司 | Dual-polarized three frequency bands base station antenna |
| CN102217140A (en) * | 2008-09-22 | 2011-10-12 | 株式会社Kmw | Dual-frequency / polarization antenna for mobile-communications base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3620778B2 (en) * | 1998-12-03 | 2005-02-16 | 株式会社エヌ・ティ・ティ・ドコモ | Base station antenna device |
| JP2000307337A (en) * | 1999-04-15 | 2000-11-02 | Ntt Docomo Inc | Antenna system |
| JP3730485B2 (en) * | 2000-07-11 | 2006-01-05 | 株式会社エヌ・ティ・ティ・ドコモ | Antenna device |
| JP5565319B2 (en) * | 2011-01-06 | 2014-08-06 | 日立金属株式会社 | Sector antenna |
-
2014
- 2014-03-04 JP JP2014041788A patent/JP6267005B2/en active Active
-
2015
- 2015-03-03 WO PCT/JP2015/056173 patent/WO2015133458A1/en active Application Filing
- 2015-03-03 CN CN201580008782.6A patent/CN106030906A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040145526A1 (en) * | 2001-04-16 | 2004-07-29 | Carles Puente Baliarda | Dual-band dual-polarized antenna array |
| JP2006025027A (en) * | 2004-07-06 | 2006-01-26 | Ntt Docomo Inc | Two-element array antenna |
| CN102217140A (en) * | 2008-09-22 | 2011-10-12 | 株式会社Kmw | Dual-frequency / polarization antenna for mobile-communications base station |
| CN201508910U (en) * | 2009-08-12 | 2010-06-16 | 江苏捷士通科技股份有限公司 | Dual-polarized three frequency bands base station antenna |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110856456A (en) * | 2017-06-21 | 2020-02-28 | 汤姆逊许可公司 | Low-height folding metal antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6267005B2 (en) | 2018-01-24 |
| WO2015133458A1 (en) | 2015-09-11 |
| JP2015167337A (en) | 2015-09-24 |
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