CN106571537A - Bipolar two-beam low-side-lobe rapid-drop rectangular shaping array antenna - Google Patents
Bipolar two-beam low-side-lobe rapid-drop rectangular shaping array antenna Download PDFInfo
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- CN106571537A CN106571537A CN201610982345.0A CN201610982345A CN106571537A CN 106571537 A CN106571537 A CN 106571537A CN 201610982345 A CN201610982345 A CN 201610982345A CN 106571537 A CN106571537 A CN 106571537A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
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Abstract
The invention discloses a bipolar two-beam low-side-lobe rapid-drop rectangular shaping array antenna. The bipolar two-beam low-side-lobe rapid-drop rectangular shaping array antenna has a faster wave-beam drop speed than a single-main-lobe antenna within an ultra broadband range; the 3dB wave-beam width of the central frequency is 50 degrees; drop angles of powers from 3dB to 20dB are not larger than 20 degrees in a horizontal direction; and drop angles of powers from 3dB to 20dB are not larger than 14 degrees in a vertical direction. The provided antenna has the higher gain that the single-main-lobe antenna; and the peak gain is not less than 12.5dBic within a working band from 1.71GHz to 2.17GHz. The provided antenna has the lower full-three-dimensional spatial side-lobe level than the single-main-lobe antenna; the full-three-dimensional spatial side-lobe level is below -23.6dB within a working band. Therefore, the adjacent fan-section interference of hot-spot regions like a stadium can be reduced effectively; frequency multiplexing is realized; the communication network capacity is improved further; and the mutual interference between two wave beams is low in a vertical direction.
Description
Technical field
The invention belongs to microwave antenna art field, and in particular to a kind of wave beam Sidelobe of dual polarization two quickly falls rectangle
Transmission distance antenna.
Background technology
At present the intensive hot spot region of mobile communication subscriber such as many large stadiums, performing art centre hold large-scale game or
The data traffic of mobile communication is presented explosive growth during SA, and the frequency resource fixation that can be used is limited, therefore
Need to adopt substantial amounts of channeling to reach optimal communication capacity.Therefore, it is large-scale in order to meet the demand of network communication capacity
The Communication Highlights region such as venue, performing art centre has typically reached preferably communication by planning that more sector carries out subregion covering
The demand of capacity.
Currently in order to solving the problems, such as that subregion is covered, in practice, adopt the overlay area of single main lobe for the battle array of rectangle more
Array antenna carries out many sector coverings, and the covering that adjacent multiplexing cell can be effectively eliminated when needing number of partitions more is overlapped
Or blind area, make the border between sector as far as possible clear.Such as Zhang Tao et al. applications《Rectangle shaped aerial array》Country's invention is special
Sharp (number of patent application：201510936949.7) and Wu Zehai et al. application《A kind of wideband array antenna》National inventing patent
(number of patent application：201510705631.8).The array antenna performance of both patent applications is at 3dB to 20dB power fall downs angle
, typically at 20 °～25 °, at 50 °, peak gain is general in the working band of such antenna for the 3dB beam angles of mid frequency for degree
It is that, not less than 9.5dBic, full three dimensions minor level is in -20dB or so.The problem that these array antennas are present is antenna
Peak gain is relatively low, and 3dB to 20dB power fall down angles are not fast enough, and complete three-dimensional minor level is not low enough.Meanwhile, current two
The total space minor level of beam antenna is all higher, in order to further improve mobile communication system channeling efficiency and distribution system
System capacity, it is desirable to provide, 3dB to 20dB power fall down angle higher than the existing gain of array antenna faster, full three dimensions pair
Array antenna of the 3dB beam angles of the lower mid frequency of lobe level at 50 °.
The content of the invention
In view of this, in view of the shortcomings of the prior art, a kind of defect for overcoming prior art to exist, there is provided dual polarization
Two wave beam Sidelobes quickly fall rectangle transmission distance antenna, and directional diagram falls faster, the rectangle figuration that secondary lobe is low, gain is higher
Two beam array antennas, on the premise of overlay area is ensured, being restrained by fast beam reduces the interference of adjacent sectors, improves
The level value of antenna coverage areas, improves anti-jamming effectiveness, so as to improve the message capacity of the hot spot regions such as venue.
A kind of beam array antenna of dual polarization two, including aerial radiation front, horizontal power division network and vertical power division network,
The aerial radiation front is in vertical direction comprising eight radiation submatrixs；Each radiation submatrix is in the horizontal direction comprising N number of
Radiating element；The value of N is more than or equal to 2；
The horizontal power division network has two groups, and two kinds of polarization modes of array antenna are corresponded to respectively, and per group respectively includes eight
Horizontal power division network, corresponds with described eight radiation submatrixs；Each horizontal power division network has an input port and N number of
Output port；N number of output port in each horizontal power division network and a pair of N number of radiating element 1 in corresponding radiation submatrix
Should be connected；
The vertical power division network is two, and two kinds of polarization modes of array antenna are corresponded to respectively；Each vertical work(subnetting
Network includes input port, eight output ports and a feeding network body, wherein input port connection rear end equipment,
Eight output ports are corresponded with the input port of eight horizontal power division networks and are connected；
The feeding network body includes the first wave beam input port (431), the second wave beam input port (432), matching
Load, the one 90 ° of directional coupler (435), two 45 ° of phase shifters (434), the 2nd 90 ° of directional coupler (436) and four
Not decile power splitter；Wherein the one 90 ° directional coupler 435 is input into respectively with the first wave beam input port (431), the second wave beam
Port (432) and with load be electrically connected with；The two-way output therein of one 90 ° of directional coupler (435) respectively with 45 ° of phase shifts
Device (434) is electrically connected with, and is then attached with the 2nd 90 ° of directional coupler (436) again；
Four output ports of the 2nd 90 ° of directional coupler (436) respectively with the input port of four not decile power splitters
Correspond and be connected；Four not decile power splitter draw eight output channels, as eight output ports of vertical power division network.
Preferably, the feeding network body also includes four 180 ° of phase shifters (438)；Described four not decile power splitters
It is respectively defined as the first not decile power splitter (439), the second not decile power splitter (4310), the 3rd not decile power splitter (4311)
With the 4th not decile power splitter (4312)；Each not decile power splitter correspondence one 180 ° of phase shifter (438)；
The first port of the 2nd 90 ° of directional coupler (436) therein with first not decile power splitter (439) be connected,
The second port of 2 90 ° of directional couplers (436) with second not decile power splitter (4310) be connected, the 2nd 90 ° of directional coupler
(436) the 3rd port with the 3rd not decile power splitter (4311) be connected, the 4th port of the 2nd 90 ° of directional coupler (436)
With the 4th not decile power splitter (4312) electric connection；
Described first is not directly connected to all the way horizontal feeding network input port, Ling Yilu in decile power splitter (439)
Via being attached with horizontal feeding network input port again after 180 ° of phase shifters (438)；Described second not decile work(point
Device (4310) is directly connected to all the way horizontal feeding network input port, another road via after 180 ° of phase shifters (438) again with
Horizontal feeding network input port is attached；Described 3rd not decile power splitter (4311) be directly connected to all the way level feed
Network input port, another road with horizontal feeding network input port after 180 ° of phase shifters (438) via being attached again；
Described 4th not decile power splitter (4311) be directly connected to horizontal feeding network input port all the way, another road is via one
It is attached with horizontal feeding network input port again after 180 ° of phase shifters (438).
Preferably, described first not decile power splitter (439) and second not decile power splitter (4310) be one-in-and-two-out
Not decile power splitter；Described the 3rd not decile power splitter (4311) and the 4th not decile power splitter (4312) be one and enter three
The not decile power splitter for going out, the 3rd not decile power splitter (4311) and the 4th not decile power splitter (4312) two of which output
Port connects respectively the input port of horizontal power division network and 180 ° of phase shifters (438), and the 3rd output port matching connection is inhaled
Receive load.
Preferably, eight output ports of described vertical feed network are when in the excitation of the first wave beam input port (431)
When, phase place is sequentially output for 0 °, 45 °, 90 °, 135 °, 180 °, 225 °, 270 ° and 315 ° signal；Described vertical transmission network
8 output ports of network when when the second wave beam input port (432) encourage, be sequentially output phase place be 315 °, 270 °,
225 °, 180 °, 135 °, 90 °, 45 ° and 0 ° signals.
Preferably, the described array antenna is before vertical power division network is connected, phase output layout is specially：The first six spoke
Penetrate submatrix PHASE DISTRIBUTION identical, the 7th radiation submatrix, the 8th radiation submatrix phase place are identical.Wherein the first six radiation submatrix phase place is
First radiating element, 180 ° of PHASE DISTRIBUTION of the second radiating element, the 3rd radiating element, the 4th radiating element, the 5th radiating element
For 0 ° of PHASE DISTRIBUTION；7th radiation submatrix, the 8th radiation submatrix phase place are the first radiating element, the second radiating element is 0 ° of phase place
Distribution, the 3rd radiating element, the 4th radiating element, the 5th radiating element are 180 °
Preferably, the N takes 5.
Preferably, radiating element rectanglar arrangement on aerial radiation front.
Preferably, described radiating element is identical dual polarization crossed dipole antenna or dual polarization metal patch
Antenna.
Preferably, adjacent radiation unit interval is identical in described horizontal direction radiation subarray；Described vertical direction
Upper adjacent radiation submatrix column pitch is identical.
Preferably, adjacent radiation unit interval is 0.4 times of center frequency wavelength～1.6 times in horizontal direction radiation subarray
In the range of center frequency wavelength.
Preferably, vertically adjacent radiator array pitch is 0.4 times of center frequency wavelength～1.6 times mid frequency
In wave-length coverage.
Preferably, the Amplitude Ratio of the output port of the N of horizontal power division network is：0.275:0.07:0.6:0.89:0.53.
Preferably, eight output port Amplitude Ratios of vertical power division network are：0.158:0.063:0.134:0.520:
0.787:0.800:0.580:0.291。
The present invention has the advantages that：
(1) there is wave beam more faster than single main lobe antenna to fall speed, the 3dB ripples of mid frequency in ultra wide band range
At 50 °, wherein in the horizontal direction 3dB to 20dB power fall downs angle is not more than 20 °, 3dB is arrived beam width in vertical direction
20dB power fall down angles are not more than 14 °；With the gain higher than single main lobe antenna, in working band (1.71GHz～
2.17GHz) peak gain is not less than 12.5dBic；With full three dimensions minor level lower than single main lobe antenna, in work
Make full three dimensions minor level in frequency band to have reached below -23.6dB.So as to hot zones such as significantly more efficient reduction venues
The adjacent sectors interference in domain, realizes channeling, further improves communication network capacity.And phase between two wave beams in vertical direction
Mutually disturb little.
(2) the vertical power division network of the array antenna contains four identicals, 90 degree of directional couplers, two identicals 45
The phase shifter is spent, four identicals, 50 ohm of matched loads and four different power splitters such as not, by adjusting this four respectively
Power splitter output amplitude is not waited to obtain the output signal of the vertical power division network of needs.It is input in first port, second port
When, 8 output ports are the amplitude outputs such as identical is non-；When signal enters fashionable from first port, eight output ports are successively
The signal of output is that+45 degree increase；When signal enters fashionable from second port, the signal that eight output ports are sequentially output is -45
Degree increases, and so as to define the Butler matrixes of the amplitude output such as non-, and then realizes two wave beam performance directional diagrams.
Description of the drawings
Fig. 1 is the schematic diagram that a kind of wave beam Sidelobe of dual polarization two of the present invention quickly falls rectangle transmission distance antenna；
Fig. 2 is the aerial radiation front schematic diagram of the present invention；
Fig. 3 is the phase configuration figure before the vertical power division network of termination of the aerial radiation front of the present invention；
Fig. 4 is the horizontal feed network structures schematic diagram of the present invention；
Fig. 5 is the vertical-horizontal feed network structures schematic diagram of the present invention；
Fig. 6 is the inside theory of constitution figure of the perpendicular network body of the vertical feed network of the present invention；
Fig. 7 is the horizontal plane radiation pattern of the array antenna in 1.71GHz working frequency points of the present invention；
Fig. 8 is the horizontal plane radiation pattern of the array antenna in 2.17GHz working frequency points of the present invention；
Fig. 9 is the vertical plane radiation patterns of the array antenna in 1.71GHz working frequency points of the present invention；
Figure 10 is the vertical plane radiation patterns of the array antenna in 2.17GHz working frequency points of the present invention；
Figure 11 is the equal pitch contour antenna pattern of the array antenna in 1.71GHz working frequency points of the present invention；
Figure 12 is the equal pitch contour antenna pattern of the array antenna in 2.17GHz working frequency points of the present invention.
Wherein, 1- aerial radiations front, 2, the horizontal power division networks of 3-, 4, the vertical power division networks of 5-, 11,12,13,14,15,
16th, 17,18- radiation submatrix, 21- horizontal networks output ports, 22- horizontal networks input ports, 41- perpendicular network outfans
Mouthful, 42- perpendicular network input ports, 43- vertical feed network bodies, 431- the first wave beam input ports, the wave beams of 432- second
Input port, 433-50 ohm matched loads, 434-45 ° of phase shifter, the one 90 ° of directional coupler of 435-, the 2nd 90 ° of 436- is fixed
To bonder, 437-50 ohm matched loads, 438-180 ° of phase shifter, the not decile power splitters of 439- first, 4310- second
Point power splitter, the not decile power splitters of 4311- the 3rd, the not decile power splitters of 4312- the 4th.
Specific embodiment
Develop simultaneously below in conjunction with the accompanying drawings embodiment, describes the present invention.
For achieving the above object, the present invention is employed the following technical solutions：
A kind of wave beam Sidelobe of dual polarization two quickly falls rectangle transmission distance antenna, including aerial radiation front, level
Power division network and vertical power division network.
A kind of described wave beam Sidelobe of dual polarization two quickly falls rectangle transmission distance radiation pattern vertical
It is two wave beams on direction, is simple beam in horizontal direction.And in 3dB to 20dB power fall downs angle compare level in vertical direction
It is fast on direction.14 ° are less than in 3dB to 20dB power fall downs angle wherein in vertical direction, in 3dB to 20dB work(in horizontal direction
Rate falls angle and is not more than 20 °, and the 3dB beam angles of mid frequency are at 50 °.In 3dB～24dB equal pitch contours of antenna pattern
It is nearly positive direction shape on figure；
Further, described radiating element is rectanglar arrangement, is contained at least in each radiation submatrix of horizontal direction
Five identical radiating elements, contain eight identical radiator row in vertical direction；
Further, described radiating element is that identical dual polarization crossed dipole antenna or dual polarization metal are pasted
Chip antenna；
Further, adjacent radiation unit interval is identical in described horizontal direction radiation subarray, is designated as dx；Described
Vertically adjacent radiator array pitch is identical to be designated as dy。dxFor 0.4 times of center frequency wavelength～1.6 times mid frequency ripple
In long scope, dyIn the range of 0.4 times of center frequency wavelength～1.6 times center frequency wavelength.
Further, the described wave beam Sidelobe of kind dual polarization two quickly falls rectangle transmission distance antenna and contains at least
The selection of N × 8 radiating element, wherein N radiates the radiating element number in submatrix depending on each, and general span is：
More than or equal to 2；
Further, described feeding network contains horizontal power distribution network and vertical power distribution network；Wherein
It is 1 to enter the power distributing network that N goes out that horizontal power is divided into network, and the selection of wherein N is depending on the radiation in each radiation submatrix
Number of unit.Wherein connection vertical power in input port distributes network, the radiating element in delivery outlet connection radiation submatrix.Wherein hang down
It is 1 to enter 8 power distributing networks for going out, wherein input port connection rear end equipment that straight power is divided into network, and delivery outlet connects horizontal work(
Rate distributes network；
Further, in+45 ° of polarised directions, it is 8 that the horizontal power distributes the number networks, described vertical power
Distribution the number networks are 1；
Further, in -45 ° of polarised directions, it is 8 that the horizontal power distributes the number networks, described vertical power
Distribution the number networks are 1；
Further, it is 16 that described array antenna contain horizontal power altogether to distribute the number networks, and described is vertical
Power distributing network quantity is 2.
The following is a kind of wave beam Sidelobe of dual polarization of the present invention two and quickly fall rectangle transmission distance antenna most
Therefore good example, do not limit protection scope of the present invention.
Fig. 1 shows that a kind of wave beam Sidelobe of dual polarization two quickly falls the schematic diagram of rectangle transmission distance antenna, including
Aerial radiation front 1, horizontal power division network 2 (3), vertical power division network 4 (5).Radiation in wherein described radiation front 1
Unit is dual-polarized crossed dipole antenna, and the design work frequency of array antenna is 1.71GHz～2.17GHz.Wherein
Horizontal power division network 2 is identical configuration with horizontal power division network 3, and+45 ° that array antenna is corresponded to respectively polarize and -45 ° of poles
Change；Vertical power division network 4 is identical configuration with vertical power division network 5, and+45 ° of polarization of level of array antenna are corresponded to respectively
With -45 ° of polarization.
Fig. 2 shows the schematic diagram of aerial radiation front 1, by radiation submatrix 11, radiation submatrix 12, radiation submatrix 13, radiation
Submatrix 14, by radiation submatrix 15, radiation submatrix 16, radiation submatrix 17, radiation submatrix 18 constitute, each radiation submatrix by 5 spokes
Penetrate unit composition.Adjacent cells spacing is d in radiation submatrixx, preferred dxFor 0.5 times of center operating frequency wavelength；Adjacent radiation
Submatrix spacing is dy, it is preferred that dyFor 0.5 times of center operating frequency wavelength.
Fig. 3 shows the phase configuration figure before the vertical power division network of termination of aerial radiation front 1.Wherein radiate submatrix
11st, radiate submatrix 12, radiation submatrix 13, radiation submatrix 14, radiation submatrix 15, radiation submatrix 16 to match somebody with somebody for identical phase place
Put, i.e., the first radiating element, the second radiating element are 180 ° of radiofrequency signal excitations in submatrix, the 3rd radiating element, the 4th radiate
Unit, the 5th radiating element are 0 ° of radiofrequency signal excitation；Wherein radiate submatrix 17, radiation submatrix 18 to match somebody with somebody for identical phase place
Put, i.e., the first radiating element, the second radiating element are 0 ° of radiofrequency signal excitation in submatrix, the 3rd radiating element, the 4th radiation are single
Unit, the 5th radiating element are 180 ° of radiofrequency signal excitations.
Fig. 4 shows horizontal feeding network 2 (3), contains an input port 22 and 5 output ports 21.It is wherein defeated
Inbound port 22 is connected with vertical power division network output port.5 output ports 21 connect respectively with the radiating element in radiation submatrix
Connect.Due to containing 8 radiation submatrixs in array antenna, therefore each polarized array needs 8 identical horizontal transmission networks
Network.The amplitude of horizontal power splitter is determined according to the demand of actual direction figure.The amplitude of the present embodiment is：0.275:0.07:
0.6:0.89:0.53。
Fig. 5 shows vertical feed network 4 (5), contains 2 input ports 42 and 8 output ports 41, and feed
Network ontology 43.Wherein input port 42 is connected with rear end equipment.8 output ports 41 distinguish 8 horizontal feeding network inputs
Port connects.The amplitude of vertical power splitter is determined according to the demand of actual direction figure.The amplitude of the present embodiment is：0.158:
0.063:0.134:0.520:0.787:0.800:0.580:0.291.Vertical power splitter 41 phase difference outputs of output port are constant,
Preferably, each port difference of this example is 45 °.
Fig. 6 shows the inside theory of constitution figure of vertical feed network body 43.Wherein vertical feed network body 43 is wrapped
The first wave beam input port 431, the second 432,50 ohm of wave beam input port matched load 433 are contained.One 90 ° of directional couple
Device 435 is electrical with the first wave beam input port 431, the second wave beam input port 432, and 50 ohm of matched loads 433 respectively
Connection.Then the one 90 ° of two-way therein of directional coupler 435 output is electrically connected with respectively with 45 ° of phase shifters 434, so
It is attached with the 2nd 90 ° of directional coupler 436 again afterwards.The first port and first of the 2nd 90 ° of directional coupler 436 therein
Decile power splitter 439 does not connect, the second port of the 2nd 90 ° of directional coupler 436 with second not decile power splitter 4310 be connected,
3rd port of the 2nd 90 ° of directional coupler 436 with the 3rd not decile power splitter 4311 be connected, the 2nd 90 ° of directional coupler 436
The 4th port with the 4th not decile power splitter 4312 be electrically connected with.The not decile power splitter 439 1 of wherein described first
Road be directly connected to radiate submatrix 11 horizontal feeding network input port, another road through connection 180 ° of phase shifters 438 after again with
The horizontal feeding network input port of radiation submatrix 15 is attached；The tunnel of decile power splitter 4,310 1 is not straight for wherein described second
Connect in succession radiation submatrix 12 horizontal feeding network input port, another road through connection 180 ° of phase shifters 438 after again with radiation
The horizontal feeding network input port of submatrix 16 is attached；Wherein described the 3rd does not directly connect on the tunnel of decile power splitter 4,311 1
Connect radiation submatrix 13 horizontal feeding network input port, another road through connection 180 ° of phase shifters 438 after again with radiation submatrix
17 horizontal feeding network input port is attached；Wherein described the 4th is not directly connected to spoke in the tunnel of decile power splitter 4,311 1
Penetrate the horizontal feeding network input port of submatrix 14, another road after connecting 180 ° of phase shifters 438 again with radiation submatrix 18
Horizontal feeding network input port is attached.
Further, wherein the described the 3rd not decile power splitter 4311, the 4th not decile power splitter 4312 is 1 to enter 3 and go out
Not decile power splitter, wherein the first via, the second tunnel are respectively at radiation submatrix connection, and it is negative that the 3rd tunnel is directly connected to 50 ohm of matchings
Carry 437.
Further, 8 output ports of described vertical feed network 4 (5) are when sharp in the first wave beam input port 431
When encouraging, phase place is sequentially output for 0 °, 45 °, 90 °, 135 °, 180 °, 225 °, 270 °, 315 ° of signals；Described vertical transmission network
8 output ports of network 4 (5) are worked as when the second wave beam input port 432 is encouraged, and are sequentially output phase place for 315 °, 270 °,
225 °, 180 °, 135 °, 90 °, 45 °, 0 ° of signal.
Fig. 7, Fig. 8 be respectively a kind of wave beam Sidelobe of dual polarization two quickly fall rectangle transmission distance antenna 1.71GHz,
The horizontal plane radiation pattern of 2.17GHz working frequency points；Fig. 9, Figure 10 are respectively a kind of wave beam Sidelobe of dual polarization two and quickly fall
Fall vertical plane radiation patterns of the rectangle transmission distance antenna in 1.71GHz, 2.17GHz working frequency points；Figure 11, Figure 12 are respectively
A kind of wave beam Sidelobe of dual polarization two quickly falls rectangle transmission distance antenna in the contour of 1.71GHz, 2.17GHz working frequency points
Beta radiation directional diagram.
In ultra wide band range there is the wave beam outside main lobe more faster than single main lobe antenna to fall speed, described one kind
It is in vertical direction two wave beams that the wave beam Sidelobe of dual polarization two quickly falls rectangle transmission distance radiation pattern, level
The upper simple beam in direction.The 3dB beam angles of mid frequency are at 50 °.And in vertical direction at 3dB to 20dB power fall downs angle
Degree is faster than in horizontal direction.Wherein in the horizontal direction 3dB to 20dB power fall downs angle is not more than 20 °, 3dB in vertical direction
It is not more than 14 ° to 20dB power fall down angles；With the gain higher than single main lobe antenna, the peak gain in working band
Not less than 12.5dBic；With full three dimensions minor level lower than single main lobe antenna, the full three-dimensional space in working band
Between minor level reached below -23.6dB.It is nearly positive direction shape on 3dB～24dB contour maps of antenna pattern
Shape.So as to the adjacent sectors interference of the hot spot regions such as significantly more efficient reduction venue, channeling is realized, further improve communication
Network capacity.And interfere between two wave beams in vertical direction little.
It is emphasized that each radiation submatrix, spacing is fixed between horizontal direction adjacent vibration generators, that is, between waiting
Away from arrangement, in Practical Project, or unequal-interval arrangement.In vertical direction, the distance between adjacent radiation submatrix is
Fixed.Equidistantly arrange, in Practical Project, or unequal-interval arrangement.Due to without departing from the present invention design,
Also it is within the scope of the present invention.
Embodiment described above only expresses one embodiment of the present invention, and its description is more concrete in detail, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.
The undocumented technology of the present invention belongs to techniques well known.
Claims (13)
1. a kind of beam array antenna of dual polarization two, including aerial radiation front, horizontal power division network and vertical power division network, its
It is characterised by, the aerial radiation front is in vertical direction comprising eight radiation submatrixs；Each radiation submatrix is in the horizontal direction
It is upper to include N number of radiating element；The value of N is more than or equal to 2；
The horizontal power division network has two groups, and two kinds of polarization modes of array antenna are corresponded to respectively, and per group respectively includes eight levels
Power division network, corresponds with described eight radiation submatrixs；Each horizontal power division network has an input port and N number of output
Port；N number of output port in each horizontal power division network corresponds phase with the N number of radiating element in corresponding radiation submatrix
Even；
The vertical power division network is two, and two kinds of polarization modes of array antenna are corresponded to respectively；Each vertical power division network bag
Include an input port, eight output ports and a feeding network body, wherein input port connection rear end equipment, eight
Output port is corresponded with the input port of eight horizontal power division networks and is connected；
The feeding network body comprising the first wave beam input port (431), the second wave beam input port (432), matched load,
One 90 ° of directional coupler (435), two 45 ° of phase shifters (434), the 2nd 90 ° of directional coupler (436) and four
Divide power splitter；Wherein the one 90 ° directional coupler 435 is respectively with the first wave beam input port (431), the second wave beam input port
(432) and with load it is electrically connected with；The two-way output therein of one 90 ° of directional coupler (435) respectively with 45 ° of phase shifters
(434) it is electrically connected with, is then attached with the 2nd 90 ° of directional coupler (436) again；
Four output ports of the 2nd 90 ° of directional coupler (436) respectively with four not decile power splitter input port one by one
Correspondence is connected；Four not decile power splitter draw eight output channels, as eight output ports of vertical power division network.
2. the beam array antenna of a kind of dual polarization two as claimed in claim 1, it is characterised in that the feeding network body is also
Comprising four 180 ° of phase shifters (438)；Described four not decile power splitter be respectively defined as first not decile power splitter (439),
Second not decile power splitter (4310), the 3rd not decile power splitter (4311) and the 4th not decile power splitter (4312)；Each is not
Decile power splitter one 180 ° of phase shifter (438) of correspondence；
The first port of the 2nd 90 ° of directional coupler (436) therein with first not decile power splitter (439) be connected, the 2nd 90 °
The second port of directional coupler (436) with second not decile power splitter (4310) be connected, the 2nd 90 ° of directional coupler (436)
The 3rd port with the 3rd not decile power splitter (4311) be connected, the 4th port and the 4th of the 2nd 90 ° of directional coupler (436)
Decile power splitter (4312) is not electrically connected with；
Described first is not directly connected to all the way horizontal feeding network input port in decile power splitter (439), another road via
It is attached with horizontal feeding network input port again after one 180 ° of phase shifter (438)；Described second not decile power splitter
(4310) be directly connected to horizontal feeding network input port all the way, another road via after 180 ° of phase shifters (438) again with water
Flat feeding network input port is attached；Described 3rd not decile power splitter (4311) be directly connected to horizontal transmission network all the way
Network input port, another road with horizontal feeding network input port after 180 ° of phase shifters (438) via being attached again；Institute
State the 4th not decile power splitter (4311) be directly connected to horizontal feeding network input port all the way, another road is via one 180 °
It is attached with horizontal feeding network input port again after phase shifter (438).
3. a kind of beam array antenna of dual polarization two as claimed in claim 2, it is characterised in that the described first not decile work(point
Device (439) and second not decile power splitter (4310) be the not decile power splitter of one-in-and-two-out；The not decile work(of described the 3rd
Point device (4311) and the 4th not decile power splitter (4312) be one and enter the three not decile power splitters for going out, the 3rd not decile power splitter
And the two of which output port of the 4th not decile power splitter (4312) connects respectively the input of horizontal power division network (4311)
Mouth and 180 ° of phase shifters (438), the 3rd output port matching connection absorbing load.
4. a kind of beam array antenna of dual polarization two as claimed in claim 3, it is characterised in that described vertical feed network
Eight output ports when when the first wave beam input port (431) encourage, be sequentially output phase place be 0 °, 45 °, 90 °,
135 °, 180 °, 225 °, 270 ° and 315 ° signals；8 output ports of described vertical feed network are when in the input of the second wave beam
When port (432) is encouraged, phase place is sequentially output for 315 °, 270 °, 225 °, 180 °, 135 °, 90 °, 45 ° and 0 ° signals.
5. a kind of beam array antenna of dual polarization two as described in claim 3 or 4, it is characterised in that the described array antenna
Before vertical power division network is connected, phase output layout is specially：The first six radiation submatrix PHASE DISTRIBUTION is identical, the 7th radiator
Battle array, the 8th radiation submatrix phase place are identical.Wherein the first six radiation submatrix phase place is the first radiating element, 180 ° of the second radiating element
PHASE DISTRIBUTION, the 3rd radiating element, the 4th radiating element, the 5th radiating element are 0 ° of PHASE DISTRIBUTION；7th radiation submatrix, the 8th
Radiation submatrix phase place is the first radiating element, the second radiating element is 0 ° of PHASE DISTRIBUTION, and the 3rd radiating element, the 4th radiation are single
Unit, the 5th radiating element are 180 °.
6. the beam array antenna of a kind of dual polarization two as described in claim 1,2 or 3, it is characterised in that the N takes 5.
7. a kind of beam array antenna of dual polarization two as described in claim 1,2 or 3, it is characterised in that the radiating element
The rectanglar arrangement on aerial radiation front.
8. a kind of beam array antenna of dual polarization two as described in claim 1,2 or 3, it is characterised in that described radiation list
Unit is identical dual polarization crossed dipole antenna or dual polarization metal patch antenna.
9. a kind of beam array antenna of dual polarization two as described in claim 1,2 or 3, it is characterised in that described level side
Adjacent radiation unit interval is identical into radiation subarray；Described vertically adjacent radiator array pitch is identical.
10. the beam array antenna of a kind of dual polarization two as claimed in claim 9, it is characterised in that horizontal direction radiates submatrix
Adjacent radiation unit interval is in the range of 0.4 times of center frequency wavelength～1.6 times center frequency wavelength in row.
A kind of 11. beam array antennas of dual polarization two as claimed in claim 9, it is characterised in that vertically adjacent spoke
Submatrix column pitch is penetrated in the range of 0.4 times of center frequency wavelength～1.6 times center frequency wavelength.
The 12. beam array antennas of a kind of dual polarization two as claimed in claim 6, it is characterised in that the N's of horizontal power division network
The Amplitude Ratio of output port is：0.275:0.07:0.6:0.89:0.53.
A kind of 13. beam array antennas of dual polarization two as claimed in claim 1, it is characterised in that the eight of vertical power division network
Individual output port Amplitude Ratio is：0.158:0.063:0.134:0.520:0.787:0.800:0.580:0.291.
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| CN201610982345.0A CN106571537A (en) | 2016-11-08 | 2016-11-08 | Bipolar two-beam low-side-lobe rapid-drop rectangular shaping array antenna |
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| CN201610982345.0A CN106571537A (en) | 2016-11-08 | 2016-11-08 | Bipolar two-beam low-side-lobe rapid-drop rectangular shaping array antenna |
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| CN201610982345.0A Pending CN106571537A (en) | 2016-11-08 | 2016-11-08 | Bipolar two-beam low-side-lobe rapid-drop rectangular shaping array antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107230845A (en) * | 2017-05-09 | 2017-10-03 | 北京空间飞行器总体设计部 | The rectangle beam-shaped antenna that a kind of outer lobe of half-power angle is quickly fallen |
| CN108092008A (en) * | 2017-11-13 | 2018-05-29 | 广东博纬通信科技有限公司 | A kind of two beam array antennas and system |
| CN108767494A (en) * | 2018-03-28 | 2018-11-06 | 北京空间飞行器总体设计部 | A kind of dual polarization rectangle figuration venue thinned array antenna |
| CN108832307A (en) * | 2018-05-30 | 2018-11-16 | 华为技术有限公司 | A kind of beam-shaped antenna |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7202832B2 (en) * | 2004-01-07 | 2007-04-10 | Motia | Vehicle mounted satellite antenna system with ridged waveguide |
| CN102570055A (en) * | 2012-01-20 | 2012-07-11 | 广东博纬通信科技有限公司 | Dual-polarization eight-wave-beam antenna for mobile communication base station |
| US20140375502A1 (en) * | 2013-06-25 | 2014-12-25 | Futurewei Technologies, Inc. | Mixed Structure Dual-Band Dual-Beam Three-Column Phased Array Antenna |
| CN104600437A (en) * | 2014-12-30 | 2015-05-06 | 上海华为技术有限公司 | Interwoven and polarized multi-beam antenna |
| GB2532727A (en) * | 2014-11-25 | 2016-06-01 | Huang Yi | A compact multiband circular-polarization cross-dipole antenna |
| CN105742828A (en) * | 2016-03-31 | 2016-07-06 | 广东通宇通讯股份有限公司 | Dual-polarization three-beam antenna and feed network device thereof |
-
2016
- 2016-11-08 CN CN201610982345.0A patent/CN106571537A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7202832B2 (en) * | 2004-01-07 | 2007-04-10 | Motia | Vehicle mounted satellite antenna system with ridged waveguide |
| CN102570055A (en) * | 2012-01-20 | 2012-07-11 | 广东博纬通信科技有限公司 | Dual-polarization eight-wave-beam antenna for mobile communication base station |
| US20140375502A1 (en) * | 2013-06-25 | 2014-12-25 | Futurewei Technologies, Inc. | Mixed Structure Dual-Band Dual-Beam Three-Column Phased Array Antenna |
| GB2532727A (en) * | 2014-11-25 | 2016-06-01 | Huang Yi | A compact multiband circular-polarization cross-dipole antenna |
| CN104600437A (en) * | 2014-12-30 | 2015-05-06 | 上海华为技术有限公司 | Interwoven and polarized multi-beam antenna |
| CN105742828A (en) * | 2016-03-31 | 2016-07-06 | 广东通宇通讯股份有限公司 | Dual-polarization three-beam antenna and feed network device thereof |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230845A (en) * | 2017-05-09 | 2017-10-03 | 北京空间飞行器总体设计部 | The rectangle beam-shaped antenna that a kind of outer lobe of half-power angle is quickly fallen |
| CN108092008A (en) * | 2017-11-13 | 2018-05-29 | 广东博纬通信科技有限公司 | A kind of two beam array antennas and system |
| WO2019090807A1 (en) * | 2017-11-13 | 2019-05-16 | 广东博纬通信科技有限公司 | Two-beam array antenna and system |
| CN108092008B (en) * | 2017-11-13 | 2019-08-16 | 广东博纬通信科技有限公司 | Two beam array antennas of one kind and system |
| CN108767494A (en) * | 2018-03-28 | 2018-11-06 | 北京空间飞行器总体设计部 | A kind of dual polarization rectangle figuration venue thinned array antenna |
| CN108832307A (en) * | 2018-05-30 | 2018-11-16 | 华为技术有限公司 | A kind of beam-shaped antenna |
| CN109273828A (en) * | 2018-09-29 | 2019-01-25 | 广东博纬通信科技有限公司 | A kind of miniaturization wideband rectangle transmission distance antenna |
| CN111562568A (en) * | 2020-04-30 | 2020-08-21 | 北京卫星信息工程研究所 | Radar transmitting end, receiving end, frequency synchronization method and transceiving networking radar |
| US11949166B2 (en) | 2020-11-17 | 2024-04-02 | Commscope Technologies Llc | Antenna and methods for manufacturing and operating the same |
| WO2022188661A1 (en) * | 2021-03-08 | 2022-09-15 | Huawei Technologies Co.,Ltd. | Method and apparatus for communication using massive-beam mimo phased array |
| CN114614783A (en) * | 2022-03-24 | 2022-06-10 | 重庆大学 | Coupled array power amplifier |
| CN114498085A (en) * | 2022-04-01 | 2022-05-13 | 深圳市中天迅通信技术股份有限公司 | GNSS antenna array for interference unmanned aerial vehicle |
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Application publication date: 20170419 |