CN106159465A - Wideband five beam array antenna - Google Patents
Wideband five beam array antenna Download PDFInfo
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- CN106159465A CN106159465A CN201610803078.6A CN201610803078A CN106159465A CN 106159465 A CN106159465 A CN 106159465A CN 201610803078 A CN201610803078 A CN 201610803078A CN 106159465 A CN106159465 A CN 106159465A
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- wave beam
- subarray
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of wideband five beam array antenna, it includes a metallic reflection plate；One radiation cell array, it comprises M subarray, and each subarray comprises N number of radiating element arranged in the horizontal direction, and at least one subarray offsets in the horizontal direction；Multiple phase compensating circuits, carry out phase compensation to the subarray of horizontal direction skew；Multiple beam-forming networks, it comprises 23 × 3 butler matrix circuitries, multiple 2 road blender circuits, phase shifter circuit and power distributing network, beam-forming network, comprise the first input port forming the first wave beam, form the second input port of the second wave beam, form the 3rd input port of the 3rd wave beam, form the four-input terminal mouth of the 4th wave beam, with the 5th input port forming the 5th wave beam, the radiating element so using different rows offsets according to certain rule in the horizontal direction, and in feeding network to skew radiating element add certain phase compensation suppress graing lobe.
Description
[technical field]
The present invention relates to a kind of wideband five beam array antenna, a kind of wideband five ripple improving network rate and capacity
Bundle array antenna.
[background technology]
After forth generation mobile communication technology 4G/LTE scale commercialization, the data traffic in mobile communications network is increased sharply, user
Close quarters mobile communication system bandwidth capacity faces immense pressure.Large-scale square, transport hub, sports center, performing art venue,
The zone user such as tourist attractions, College Dormitory is intensive, and peak time can gather several ten thousand or even more than 100,000 populations, data stream
Amount and voice call are required for system and possess high capacity.In order to increase communication network capacity, tradition increases the mode of carrier wave
Promoting limited, another reduces antenna for base station overlay area thus increases the method for base station number, faces the siting of station and thing
The difficult problem that industry is coordinated, with high costs, capacity improves limited.
For the problem of single subdistrict finite capacity, using multibeam antenna, the overlay area of conventional single sector can be thin
Being divided into multiple sector, radio channel capacity is multiplied.The patent of invention of Publication No. CN 102570057 A proposes one
Use the method that 6 × 6 butler matrixs produce five wave beams, as shown in Figure 1.Uniformly every string of the radiating element of arrangement is with vertical
Straight power splitter is connected, then with 6 × 6 butler matrix delivery outlet be connected, each polarization one 6 × 6 butler matrix of correspondence.
But this technical work bandwidth only has 23.7% (1710-2170MHz), it is impossible to the 2300 and 2600MHz of the most compatible 4G LTE
Frequency range.Existing five beam techniques, if frequency range is widened to 1700-2700MHz frequency range, can produce very in 2700MHz frequency
High horizontal graing lobe.The directional diagram of Fig. 2 simulation calculation shows, at 2700MHz frequency, graing lobe is up to-5dB, to neighbor cell interference
The biggest.
Therefore, it is necessary to design a kind of good wideband five beam array antenna, working band is widened to 1700-2700MHz,
Compatible 4G, 3G standard frequency range and the frequency range of part 2G standard, and in the range of working band, azimuth direction has good secondary lobe
With grating lobe suppression performance, to overcome the problems referred to above.
[summary of the invention]
For background technology problem encountered, it is an object of the invention to provide a kind of by arranging phase compensating circuit
The subarray of horizontal direction skew is carried out phase compensation, improves network rate and the wideband five beam array antenna of capacity.
For achieving the above object, the present invention uses techniques below means:
A kind of wideband five beam array antenna, it includes a metallic reflection plate；One radiation cell array, it comprises M son
Array, each subarray comprises N number of radiating element arranged in the horizontal direction, and at least one subarray is the most inclined
Move；Multiple phase compensating circuits, carry out phase compensation to the subarray of horizontal direction skew；Multiple beam-forming networks, its bag
Containing 23 × 3 butler matrix circuitries, multiple 2 road blender circuits, phase shifter circuit and power distributing network, Wave beam forming net
Network, comprises the first input port forming the first wave beam, forms the second input port of the second wave beam, forms the of the 3rd wave beam
Three input ports, form the four-input terminal mouth of the 4th wave beam, and form the 5th input port of the 5th wave beam.
Further, radiating element is dual polarized antenna unit.
Further, the number M of subarray is 6, and in each subarray, the number N of radiating element is 10.
Further, multiple radiating elements of each subarray arrange along a horizontal line, and 3 subarrays are in the horizontal direction
Skew.
Further, the level interval of each subarray radiating element is equal, and the vertical interval between each subarray is equal.
Further, the half that distance is radiating element level interval that subarray offsets in the horizontal direction.
Further, phase compensating circuit comprises 2 individual transmission circuits, and the two phase contrast is φ.
Further, the input port of 3 × 3 butler matrix circuitries connects 2 road blender circuits by phase shifter circuit
Output port, the output port of 3 × 3 butler matrix circuitries connects the input port of power distributing network, No. 2 blenders electricity
The input port on road is the first input port of beam-forming network, the second input port, the 3rd input port, four-input terminal
Mouth and the 5th input port, the output port of power distributing network is the output port of beam-forming network.
Further, 3 × 3 butler matrix circuitries are made up of three blenders and at least one phase shifter.
Further, the azimuth coverage of the first wave beam is 30 to 55 degree, and the azimuth coverage of the second wave beam is 15 to 23
Degree, the azimuth of the 3rd wave beam is 0 degree, and the azimuth coverage of the 4th wave beam is-15 to-23 degree, the azimuth model of the 5th wave beam
Enclose for-30 to-55 degree.
Further, the first power divider network comprises multiple 3 tunnel power divider circuit, and the second power divider network comprises multiple 2
Road power divider circuit.
Further, the output port of 3 tunnel power divider circuit connects three spokes being positioned at same level position of different rows
Penetrating unit, the input port of 3 tunnel power divider circuit connects the output port of beam-forming network.
Further, the first input port of beam-forming network, the second input port, four-input terminal mouth and the 5th are defeated
Inbound port connects the second power divider network by phase compensating circuit.
Further, the first input port of beam-forming network and the 5th input port, corresponding phase compensates circuit
Phase contrast is equal；Second input port of beam-forming network and four-input terminal mouth, corresponding phase compensates the phase contrast of circuit
Equal.
Compared with prior art, the method have the advantages that
Above-mentioned wideband five beam array antenna, each subarray comprises N number of radiating element arranged in the horizontal direction, extremely
A few subarray offsets in the horizontal direction, multiple phase compensating circuits, and the subarray of horizontal direction skew is carried out phase place benefit
Repay, so use the arrangement scheme that the radiating element of different rows offsets according to certain rule in the horizontal direction, and at feeding network
In the radiating element of skew is added certain phase compensation, five beam antennas all have in ultratvide frequency band preferable secondary lobe and
Grating lobe suppression performance, reduces the adjacent area interference of wave beam respective cell, real under conditions of not increasing antenna site and terrace resource
The channeling of existing neighbor cell, improves network capacity.
[accompanying drawing explanation]
Fig. 1 is the radiating element arrangement scheme that prior art produces five beam antennas；
Fig. 2 is prior art compound direction figure of five wave beams of 2700MHz frequency when widening 1700-2700MHz frequency range；
Fig. 3 is the radiating element arrangement of wideband five beam antenna of the present invention；
Fig. 4 is radiating element of the present invention and the line graph of 3 tunnel power divider circuit；
Fig. 5 is the connection figure of beam-forming network of the present invention；
Fig. 6 is the connection figure of the present invention the second power divider network and phase compensating circuit；
Fig. 7 is the compound direction figure of five wave beam 2200MHz frequencies of embodiment of the present invention emulation；
Fig. 8 is the compound direction figure of five wave beam 2700MHz frequencies of embodiment of the present invention emulation.
[detailed description of the invention]
For ease of being better understood from the purpose of the present invention, structure, feature and effect etc., in conjunction with accompanying drawing and being embodied as
The invention will be further described for mode.
In the present invention, wideband five beam array antenna includes that a metallic reflection plate, a radiation cell array, multiple phase place are mended
Repay circuit, multiple beam-forming network, the first power divider network and the second power divider network, five ripples of beam-forming network
Bundle is mainly produced by beam-forming network, and each beam-forming network includes 23 × 3 butler matrix circuitries, and multiple 2 tunnels are mixed
Clutch circuit, phase shifter circuit, and power distributing network.The input port of described 2 road blender circuits is beam-forming network
Input port, the output port of power distributing network is the output port of beam-forming network.Described 3 × 3 butler matrixs
Circuit is made up of three blenders and more than one phase shifter.
Below in conjunction with accompanying drawing and specific embodiment, technical scheme is described in detail.
A kind of wide-band five beam antenna that the embodiment of the present invention provides, the pitching face electrical tilt of each wave beam fixes,
Including metallic reflection plate, radiation cell array, multiple beam-forming networks, the first power divider network, the second power divider network, and
Phase compensating circuit.
The adjacent lines of radiation cell array use the mode of horizontal direction skew in arrangement, as shown in Figure 3.Multiple radiation
Unit 101 is in line, and radiating element level interval is HD, and vertical interval is VD, and the distance of adjacent lines offset is HD1.
Preferably, radiating element number N=10 of every a line and level interval are equal, the vertical interval phase of line number M=6 and adjacent lines
Deng；Preferably, the second row radiating element 112, fourth line radiating element 114, and the 6th row radiating element 116 is both with respect to first
Row 111 right avertence moves HD1；The third line radiating element 113 with fifth line radiating element 115 relative to the first row 111 without skew.Preferably
Ground, radiating element 101 is ± 45 dual-polarized cross dipole antennas, paster antenna and slot antenna.
Preferably, the radiating element of every a line and the output port of the first power divider network are connected, described first power splitter
Network is made up of multiple 3 tunnel power divider circuit, and 3 tunnel power divider circuit quantity are 4 × N.Three identical water of every string in array
The radiating element of mean place is connected, as shown in Figure 4 with same 3 tunnel power divider circuit output ports.First row radiating element is even
Connect as follows ,+45 polarization connection 3 tunnel power divider circuit 201 output ports of radiating element d11, d31 and d51, radiating element d21,
+ 45 polarization of d41 and d61 connect another one 3 tunnel power divider circuit 202 output port.Other row radiating elements and 3 tunnel merits are divided
The connection of device circuit is similar to.Fig. 4 is shown that the connection of radiating element+45 polarization, and the connection of-45 polarization is similar to.
Preferably, the input port of 3 tunnel power divider circuit is connected with the output port of beam-forming network, as shown in Figure 5.
The input port of the 3 tunnel power divider circuit connecting the 1st, 3,5 row radiating elements connects the output port of beam-forming network 301；
The input port of the 3 tunnel power divider circuit connecting the 2nd, 4,6 row radiating elements connects the output port of beam-forming network 302.
Fig. 5 is shown that the connection figure of+45 polarization, and the connection of-45 polarization is similar to.
Described beam-forming network contains 5 input ports, and output port number is equal to the columns N=10 of array.Described 2
The input port of road blender circuit is the input port of beam-forming network, and the output port of 2 road blender circuits connects shifting
Phase device circuit.The input port of described 3 × 3 butler matrix circuitries connects phase shifter circuit, 3 × 3 butler matrix circuitries
Output port connects the input port of power distributing network.Described power distributing network is made up of multiple 2 tunnel power divider circuit, is used for
Form the conical distribution of array every a line radiating element amplitude with suppression azimuth secondary lobe.The output port of power distributing network is
The output port of beam-forming network.
Preferably, the input port of beam-forming network connects the second power divider network by phase compensating circuit, such as Fig. 6
Shown in.Described second power divider network is made up of multiple 2 tunnel power divider circuit.Described phase compensating circuit comprises two independent biographies
Lines, phase contrast is φ therebetween.The input port 413,423 of beam-forming network the 3rd wave beam connects 2 road power splitters
Circuit 503；The input port 411,421 of the first wave beam is connected to 2 tunnel power divider circuit 501 through phase compensating circuit 401；The
The input port 412,422 of two wave beams is connected to 2 tunnel power divider circuit 502 through phase compensating circuit 402；4th wave beam defeated
Inbound port 414,424 is connected to 2 tunnel power divider circuit 504 through phase compensating circuit 403；The input port 415 of the 5th wave beam,
425 are connected to 2 tunnel power divider circuit 505 through phase compensating circuit 404.The connection of-45 polarization is similar to.
Preferably, the half that horizontal-shift distance HD1 is radiating element horizontal range of every a line radiating element, i.e. HD1
=HD/2, the phase contrast of the first phase compensating circuit corresponding with the 5th wave beam is 60 degree, the second phase corresponding with the 4th wave beam
The phase contrast of bit compensation circuit is 30 degree.
Compared with existing five beam techniques, the present invention is by being staggered to array element and overlapping beam-forming network more
Realize technical advantage.Fig. 7 and 8 is shown that using the array layout of 6 row 10 row, azimuthal plane five wave beam of analogue simulation
Compound direction figure, display frequency is respectively 2200MHz and 2700MHz.In phantom, radiating element uses cross dipole antenna,
Vertical dip angle is 6 degree.Simulation result shows, secondary lobe and grating lobe suppression are better than 18dB, and wave beam cross level is 9.5dB, 10dB
Beam angle scope 80-140 degree.
Five beam antenna electrical tilt angles of embodiment are fixed, the scene that applicable user is the most intensive, the most large-scale body
Educate venue, performing art centre and square.By the application scenarios such as venue being carried out fine little Division, use many five secondary wave beam skies
Line, it is possible to achieve the lifting at double of message capacity.Relative to the conventional basestation antennas that traditional beam angle is 65 degree, not only lead to
Cross cell splitting and increase capacity, and there is in the range of ultra-wideband (45%) relatively low azimuth secondary lobe, the adjacent area interference of community
Little, network rate is high.5 traditional sectors divide and need 5 narrow beam antennas, and each antenna is the hugest, installs simultaneously
On mast extremely difficult, the present embodiment realizes 5 sectors and only needs common antenna, in that context it may be convenient to be arranged on mast.
It is emphasized that in above example, in aerial array between adjacent two radiating elements of horizontal direction
Spacing be fixing, i.e. radiating element is equidistantly arrangement.But, in practical engineering application, oscillator unit can also
It it is unequal-interval arrangement.Same, two oscillators in vertical direction can also be unequal-interval arrangement.In embodiment
In, the 2nd, 4,6 row relative to the 1st, 3,5 row right avertence move, in actual applications, it is also possible to be left avertence move.This oscillator arranges
The situation of staggered change, it is also possible to there is the multi-beam directional diagram of low sidelobe, due to without departing from this in the range of realizing ultra-wideband
Bright design, also within protection scope of the present invention.
Above-mentioned wideband five beam array antenna, each subarray comprises N number of radiating element arranged in the horizontal direction, many
Individual subarray offsets in the horizontal direction, multiple phase compensating circuits, and the subarray of horizontal direction skew is carried out phase compensation, this
Sample uses the arrangement scheme that the radiating element of different rows offsets in the horizontal direction according to certain rule, and to partially in feeding network
The radiating element moved adds certain phase compensation, and five beam antennas all have preferable secondary lobe in ultratvide frequency band and graing lobe presses down
Performance processed, reduces the adjacent area interference of wave beam respective cell, realizes adjacent under conditions of not increasing antenna site and terrace resource
The channeling of community, improves network capacity.
Detailed description above is only the explanation of the preferred embodiments of the invention, non-the scope of the claims therefore limiting to the present invention,
So, the equivalence techniques change that all utilization this creation description and diagramatic content are done, it is both contained in the scope of the claims of the present invention
In.
Claims (14)
1. a wideband five beam array antenna, it is characterised in that including:
One metallic reflection plate；
One radiation cell array, it comprises M subarray, and each subarray comprises N number of radiation list arranged in the horizontal direction
Unit, at least one subarray offsets in the horizontal direction；
Multiple phase compensating circuits, carry out phase compensation to the subarray of horizontal direction skew；
Multiple beam-forming networks, it comprises 23 × 3 butler matrix circuitries, multiple 2 road blender circuits, phase shifter circuit
And power distributing network, beam-forming network, comprise the first input port forming the first wave beam, form the second of the second wave beam
Input port, forms the 3rd input port of the 3rd wave beam, forms the four-input terminal mouth of the 4th wave beam, and forms the 5th wave beam
The 5th input port.
2. wideband five beam array antenna as claimed in claim 1, it is characterised in that: radiating element is dual polarized antenna unit.
3. wideband five beam array antenna as claimed in claim 1, it is characterised in that: the number M of subarray is 6, each height
In array, the number N of radiating element is 10.
4. wideband five beam array antenna as claimed in claim 1, it is characterised in that: multiple radiating element edges of each subarray
One horizontal line arrangement, 3 subarrays offset in the horizontal direction.
5. wideband five beam array antenna as claimed in claim 1, it is characterised in that: the level interval phase of each subarray radiating element
Deng, the vertical interval between each subarray is equal.
6. wideband five beam array antenna as claimed in claim 1, it is characterised in that: 3 subarrays offset in the horizontal direction away from
From the half for radiating element level interval.
7. wideband five beam array antenna as claimed in claim 1, it is characterised in that: phase compensating circuit comprises 2 individual transmission
Circuit, the two phase contrast is φ.
8. wideband five beam array antenna as claimed in claim 1, it is characterised in that: the input port of 3 × 3 butler matrix circuitries
Connected the output port of 2 road blender circuits by phase shifter circuit, the output port of 3 × 3 butler matrix circuitries connects merit
Rate distribution network input port, the input port of 2 road blender circuits be the first input port of beam-forming network, second
Input port, the 3rd input port, four-input terminal mouth and the 5th input port, the output port of power distributing network is wave beam
Form the output port of network.
9. wideband five beam array antenna as claimed in claim 1, it is characterised in that: 3 × 3 butler matrix circuitries are by three mixing
Device and at least one phase shifter form.
10. wideband five beam array antenna as claimed in claim 1, it is characterised in that: the azimuth coverage of the first wave beam be 30 to
55 degree, the azimuth coverage of the second wave beam is 15 to 23 degree, and the azimuth of the 3rd wave beam is 0 degree, the azimuth model of the 4th wave beam
Enclosing and spend for-15 to-23, the azimuth coverage of the 5th wave beam is-30 to-55 degree.
11. wideband five beam array antennas as claimed in claim 1, it is characterised in that: the first power divider network comprises multiple 3 tunnel merits
Dividing device circuit, the second power divider network comprises multiple 2 tunnel power divider circuit.
The wideband five beam array antenna of 12. such as claim 11, it is characterised in that: the output port of 3 tunnel power divider circuit is even
Connecing three radiating elements being positioned at same level position of different rows, the input port of 3 tunnel power divider circuit connects Wave beam forming
The output port of network.
13. wideband five beam array antennas as claimed in claim 1, it is characterised in that: the first input port of beam-forming network,
Second input port, four-input terminal mouth and the 5th input port connect the second power divider network by phase compensating circuit.
The wideband five beam array antenna of 14. such as claim 13, it is characterised in that: the first input port of beam-forming network
With the 5th input port, the phase contrast that corresponding phase compensates circuit is equal；Second input port of beam-forming network and the 4th
Input port, the phase contrast that corresponding phase compensates circuit is equal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610803078.6A CN106159465B (en) | 2016-09-05 | 2016-09-05 | Five beam array antenna of wideband |
| PCT/CN2016/099281 WO2018040140A1 (en) | 2016-09-05 | 2016-09-19 | Broadband five-beam array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610803078.6A CN106159465B (en) | 2016-09-05 | 2016-09-05 | Five beam array antenna of wideband |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106159465A true CN106159465A (en) | 2016-11-23 |
| CN106159465B CN106159465B (en) | 2019-08-02 |
Family
ID=57341054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610803078.6A Active CN106159465B (en) | 2016-09-05 | 2016-09-05 | Five beam array antenna of wideband |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106159465B (en) |
| WO (1) | WO2018040140A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461932A (en) * | 2018-01-30 | 2018-08-28 | 广东博纬通信科技有限公司 | A kind of analog beam shaped aerial array of low complex degree |
| CN108666769A (en) * | 2018-03-29 | 2018-10-16 | 广东博纬通信科技有限公司 | A kind of nine beam array antenna of wideband |
| CN108736172A (en) * | 2017-04-24 | 2018-11-02 | 株式会社村田制作所 | Array antenna |
| CN108832307A (en) * | 2018-05-30 | 2018-11-16 | 华为技术有限公司 | A kind of beam-shaped antenna |
| CN109273870A (en) * | 2018-10-12 | 2019-01-25 | 广东博纬通信科技有限公司 | A kind of six beam array antenna of wideband |
| WO2020073362A1 (en) * | 2018-10-12 | 2020-04-16 | 广东博纬通信科技有限公司 | Broadband six-beam array antenna |
| CN112072309A (en) * | 2020-09-03 | 2020-12-11 | 中国电子科技集团公司第三十八研究所 | Step compensation low-cost phased array antenna framework and design method thereof |
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| US20040160361A1 (en) * | 2003-02-14 | 2004-08-19 | Izzat Narian Moh?Apos;D Kheir Moh?Apos;D | Antenna, base station and power coupler |
| CN102257674A (en) * | 2008-11-20 | 2011-11-23 | 安德鲁有限责任公司 | Dual-beam sector antenna and array |
| CN105356062A (en) * | 2015-10-23 | 2016-02-24 | 广东博纬通信科技有限公司 | Broadband array 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040160361A1 (en) * | 2003-02-14 | 2004-08-19 | Izzat Narian Moh?Apos;D Kheir Moh?Apos;D | Antenna, base station and power coupler |
| CN102257674A (en) * | 2008-11-20 | 2011-11-23 | 安德鲁有限责任公司 | Dual-beam sector antenna and array |
| CN105356062A (en) * | 2015-10-23 | 2016-02-24 | 广东博纬通信科技有限公司 | Broadband array 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 (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736172A (en) * | 2017-04-24 | 2018-11-02 | 株式会社村田制作所 | Array antenna |
| CN108461932A (en) * | 2018-01-30 | 2018-08-28 | 广东博纬通信科技有限公司 | A kind of analog beam shaped aerial array of low complex degree |
| CN108461932B (en) * | 2018-01-30 | 2024-01-30 | 广东博纬通信科技有限公司 | Low-complexity analog beam forming antenna array |
| CN108666769A (en) * | 2018-03-29 | 2018-10-16 | 广东博纬通信科技有限公司 | A kind of nine beam array antenna of wideband |
| CN108832307A (en) * | 2018-05-30 | 2018-11-16 | 华为技术有限公司 | A kind of beam-shaped antenna |
| CN109273870A (en) * | 2018-10-12 | 2019-01-25 | 广东博纬通信科技有限公司 | A kind of six beam array antenna of wideband |
| WO2020073362A1 (en) * | 2018-10-12 | 2020-04-16 | 广东博纬通信科技有限公司 | Broadband six-beam array antenna |
| CN112072309A (en) * | 2020-09-03 | 2020-12-11 | 中国电子科技集团公司第三十八研究所 | Step compensation low-cost phased array antenna framework and design method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106159465B (en) | 2019-08-02 |
| WO2018040140A1 (en) | 2018-03-08 |
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Application publication date: 20161123 Assignee: Zhongtian Communication Technology Co.,Ltd. Assignor: GUANGDONG BROADRADIO COMMUNICATION TECHNOLOGY Co.,Ltd. Contract record no.: X2023980042202 Denomination of invention: Broadband five beam array antenna Granted publication date: 20190802 License type: Common License Record date: 20230920 |