CN106887721B - Single polarization multi-beam space fed antenna - Google Patents
Single polarization multi-beam space fed antenna Download PDFInfo
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- CN106887721B CN106887721B CN201710100338.8A CN201710100338A CN106887721B CN 106887721 B CN106887721 B CN 106887721B CN 201710100338 A CN201710100338 A CN 201710100338A CN 106887721 B CN106887721 B CN 106887721B
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- feed
- phase
- metal plate
- single polarization
- fed antenna
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- 230000010287 polarization Effects 0.000 title claims abstract description 21
- 230000010363 phase shift Effects 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims description 30
- 238000010586 diagram Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000644 propagated effect Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 238000002834 transmittance Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/06—Waveguide mouths
-
- 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
-
- 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
- H01Q19/02—Details
-
- 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
- H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/247—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching by switching different parts of a primary active element
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Single polarization multi-beam space fed antenna, including planar waveguide, feed battle array and phase-shift structure；Wherein, planar waveguide work is in basic model；Feed battle array and phase-shift structure are located in planar waveguide；The electromagnetic wave that feed paroxysm goes out, the upper and lower surfaces to polarize perpendicular to planar waveguide；Each feed of antenna only irradiates a part of phase-shift structure, and phase-shift structure can provide suitable compensation phase；From one end of feed battle array to the other end, when each feed successively irradiates phase-shift structure, exit direction difference, the preferable fan-shaped beam of gain consistency can be respectively obtained；Present invention firstly provides the single polarization space fed antennas that can be emitted fan-shaped beam；Antenna has the characteristics that wave cover angular range is wide, the simple easy processing of structure.
Description
Technical field
The invention belongs to the antenna technical field of wireless communication technique, in particular to a kind of single polarization multi-beam sky presents day
Line.
Background technique
Multi-beam antenna technology all has important application in communication and radar.Traditional multibeam antenna is phased array
Antenna, however due to having used complicated feeding network and T/R component, the loss of phased array antenna is higher, and design processing is complicated
It spends larger.Later, researcher applies butler matrix in the feeding network of antenna, the case where being not necessarily to active structure
Under, realize the multibeam antenna of wide coverage area.However, the loss of feeding network will limit the maximum gain of Antenna Design.
Space fed antenna carries out energy distribution due to not using feeding network, merely with the propagation of electromagnetic wave in space, fits
For designing high-gain aerial.However, only generating the two-dimensional surface of needle-shaped wave beam in existing space fed antenna design at present
Structure.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the purpose of the present invention is to provide one kind to have fan-shaped beam directional diagram
Single polarization multi-beam space fed antenna.
To achieve the goals above, the technical solution adopted by the present invention is that:
Single polarization multi-beam space fed antenna, comprising: planar waveguide, for by a side metal plate, a top-level metallic plate
The semi-open structure constituted with a underlying metal plate；The side metal plate is vertical with top-level metallic plate and underlying metal plate；
The top-level metallic plate is parallel with underlying metal plate；Feed battle array is one-dimensional straight for what is be made of the feed that several are equidistantly arranged
Linear array；The feed battle array is for irradiating the phase-shift structure；Phase-shift structure, for the transmittance structure with phase shift function；It is described
Phase-shift structure is between top-level metallic plate and underlying metal plate；
In basic model, i.e. electromagnetic wave is propagated in a tem mode in planar waveguide for the planar waveguide work.
The feed battle array leans on proximal edges metal plate side, phase-shift structure between top-level metallic plate and underlying metal plate
It is located remotely from the side of side metal plate, the polarization of ele that feed issues is perpendicular to top-level metallic plate and underlying metal plate table
Face.
The phase-shift structure can make it by certain parameters (structure size, dielectric permittivity etc.) in adjustment structure
Having highly transmissive amplitude (transmission amplitude is greater than -3dB) and wide transmission phase shift range at working frequency points, (transmission phase shift range is greater than
90 degree) performance.
The feed only irradiates a part of phase-shift structure, and generates fan-shaped beam directional diagram.
Exit direction can be respectively obtained when each feed 4 successively irradiates phase-shift structure 3 from one end of feed battle array 2 to the other end
Different, the preferable fan-shaped beam of gain consistency.
Present invention firstly provides the single polarization space fed antennas that can be emitted fan-shaped beam, and antenna has wave cover angle
The features such as range is wide, structure simple easy processing.
Detailed description of the invention
Fig. 1 shows the three dimensional structure diagrams of the first embodiment of the invention.
Fig. 2 indicates location A partial enlarged view in Fig. 1.
Fig. 3 is indicated in the first embodiment of the invention, when the 1st feed is motivated, Energy distribution situation on phase-shift structure.
Fig. 4 is indicated in the first embodiment of the invention, when the 4th feed is motivated, Energy distribution situation on phase-shift structure.
Fig. 5 is indicated in the first embodiment of the invention, when the 1st feed or the 8th feed are motivated, the E of embodiment
Face directional diagram.
Fig. 6 is indicated in the first embodiment of the invention, when the 4th feed or the 5th feed are motivated, the E of embodiment
Face directional diagram.
Fig. 7 is indicated in the first embodiment of the invention, when the 1st feed to the 8th feed is successively motivated respectively, is implemented
The face the H directional diagram of example.
Fig. 8 shows the three dimensional structure diagrams of the second embodiment of the invention.
Fig. 9 indicates location A partial enlarged view in Fig. 8.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and examples.
Antenna Operation centre frequency is the technical solution implementation of first embodiment of the invention as shown in Figure 1:
5.8Ghz, overall structure are symmetrical about Y-axis；Antenna is made of planar waveguide 1, feed battle array 2 and phase-shift structure 3；Wherein, plate wave
Leading 1 is the semi-open structure being made of 11, top-level metallic plates 12 of a side metal plate and a underlying metal plate 13；Side
Side metal plate 11 a length of 500mm, a height of 25mm；Top-level metallic plate 12 is identical with 13 size of underlying metal plate, and length is 500mm,
Width is 183mm；Feed battle array 2 and phase-shift structure 3 are located in planar waveguide 1；Feed battle array 2 is made of 8 feeds 4, number difference
For #1, #2, #3, #4, #5, #6, #7, #8.The electromagnetic wave that feed 4 issues, the top-level metallic plate 12 to polarize perpendicular to planar waveguide 1
With 13 surface of underlying metal plate；The work of planar waveguide 1 in basic model, the electromagnetic field that feed 4 issues in planar waveguide 1 with
TEM mode is propagated；The electromagnetic wave energy that feed 4 issues is concentrated mainly on part phase-shift structure 3.
The feed 4 of first embodiment of the invention is as shown in Fig. 2, it uses 41 feed form of probe；Probe 41 is a height of
11mm；Side metal plate 11 and partition 42 the composition back chamber of planar waveguide 1, constrain the energy for the electromagnetic wave launched from feed 4
Distribution；42 width of partition is 14mm, a height of 25mm；The distance between adjacent separator 42 is 34mm.
The electromagnetic wave that 1st feed 4 of first embodiment of the invention is launched, energy are mainly distributed on phase-shift structure 3
Half, and be located at Far Left, as shown in Figure 3；The electromagnetic wave that 4th feed 4 of first embodiment of the invention is launched, energy
Amount is mainly distributed on the half of phase-shift structure 3, and close to the left side, as shown in Figure 4；3 center of phase-shift structure and side metal plate 11
Distance is 173mm；Spacing between phase-shift structure 3 is 25mm；Phase-shift structure 3 from+X-axis edge-X-direction, be located at+X-axis at phase
The compensation phase for moving structure 3 is followed successively by -67 °, -39 °, 0 °, -279 °, -178 °, -55 °, -270 °, -105 °, -258 °, -40 °.
The antenna designed according to the above aspect, when the 1st feed 4 or the 8th 4 quilt of feed of first embodiment of the invention
When excitation, the face the E directional diagram of embodiment is as shown in Figure 5；When the 4th feed of first embodiment of the invention or the 5th are presented
When source is motivated, the face the E directional diagram of embodiment is as shown in Figure 6.The port position motivated with feed 4 is from outer side to center
Mobile, the face E directional diagram gradually broadens；When the 1st feed to the 8th feed of the first embodiment of the invention is successively swashed respectively
When encouraging, the face the H directional diagram of embodiment is as shown in fig. 7,8 wave cover angles reach ± 42 °.
The technical solution implementation of second embodiment of the invention is as shown in Figure 8: antenna is by planar waveguide 1, feed battle array 2
It is formed with phase-shift structure 3；Wherein, planar waveguide 1 is by 11, top-level metallic plates 12 of a side metal plate and a bottom
The semi-open structure that metal plate 13 is constituted；Feed battle array 2 and phase-shift structure 3 are located in planar waveguide 1；Feed battle array 2 is by multiple feeds 4
Composition, the electromagnetic wave that feed 4 issues, 13 surface of top-level metallic plate 12 and underlying metal plate polarized perpendicular to planar waveguide 1；It is flat
The work of board waveguide 1 is propagated in planar waveguide 1 in a tem mode in basic model, the electromagnetic field that feed 4 issues；What feed 4 issued
Electromagnetic wave energy is concentrated mainly on part phase-shift structure 3；The structure of embodiment is symmetrical about y-axis.
The feed 4 of second embodiment of the invention uses waveguide feed form, as shown in Figure 9.
To sum up, the invention proposes a kind of single polarization multi-beam space fed antenna with fan-shaped beam directional diagram, has
The features such as wave cover angular range is wide, structure simple easy processing will wish to be applied to the 5th third-generation mobile communication base station day in future
Line.
Claims (10)
1. single polarization multi-beam space fed antenna characterized by comprising
Planar waveguide (1), for by a side metal plate (11), a top-level metallic plate (12) and a underlying metal plate (13)
The semi-open structure constituted；The side metal plate (11) is vertical with top-level metallic plate (12) and underlying metal plate (13)；It is described
Top-level metallic plate (12) is parallel with underlying metal plate (13)；
Phase-shift structure (3), between top-level metallic plate (12) and underlying metal plate (13), for change Electromgnetically-transparent phase
The transmittance structure of bit function；
Feed battle array (2), for irradiating the phase-shift structure (3), the feed (4) equidistantly to be arranged by several constitutes one-dimensional
Linear array.
2. single polarization multi-beam space fed antenna according to claim 1, which is characterized in that planar waveguide (1) work exists
Basic model, i.e. electromagnetic wave are propagated in a tem mode in planar waveguide (1).
3. single polarization multi-beam space fed antenna according to claim 1, which is characterized in that the feed battle array (2) is located at top layer
Between metal plate (12) and underlying metal plate (13), the polarization of ele that feed (4) issues perpendicular to top-level metallic plate (12) and
Underlying metal plate (13) surface.
4. single polarization multi-beam space fed antenna according to claim 1, which is characterized in that by adjusting the phase-shift structure
(3) parameter in keeps it big greater than the highly transmissive amplitude of -3dB and transmission phase shift range with transmission amplitude at working frequency points
In the performance of 90 degree of wide transmission phase shift range.
5. single polarization multi-beam space fed antenna according to claim 1, which is characterized in that the feed (4) only irradiates phase shift
A part of structure (3), and generate fan-shaped beam directional diagram.
6. single polarization multi-beam space fed antenna according to claim 1, which is characterized in that from one end of feed battle array (2) to another
One end respectively obtains the different fan-shaped beam of exit direction when each feed (4) successively irradiates phase-shift structure (3).
7. single polarization multi-beam space fed antenna according to claim 1, which is characterized in that the electromagnetism that the feed (4) issues
Wave energy is concentrated mainly on part phase-shift structure (3).
8. single polarization multi-beam space fed antenna according to claim 1, which is characterized in that the feed (4) uses probe
(41) form is fed；Side metal plate (11) and partition (42) composition back chamber, constrain the energy for the electromagnetic wave launched from feed (4)
Amount distribution.
9. single polarization multi-beam space fed antenna according to claim 8, which is characterized in that the end motivated with feed (4)
Mouth position is mobile from outer side to center, and the face E directional diagram gradually broadens；When the 1st feed to the 8th feed is successively motivated respectively
When, in the directional diagram of the face H, 8 wave cover angles reach ± 42 °.
10. single polarization multi-beam space fed antenna according to claim 1, which is characterized in that the feed (4) is presented using waveguide
Electric form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100338.8A CN106887721B (en) | 2017-02-23 | 2017-02-23 | Single polarization multi-beam space fed antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100338.8A CN106887721B (en) | 2017-02-23 | 2017-02-23 | Single polarization multi-beam space fed antenna |
Publications (2)
| Publication Number | Publication Date |
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| CN106887721A CN106887721A (en) | 2017-06-23 |
| CN106887721B true CN106887721B (en) | 2019-09-27 |
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| CN201710100338.8A Active CN106887721B (en) | 2017-02-23 | 2017-02-23 | Single polarization multi-beam space fed antenna |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1860731A1 (en) * | 2005-03-16 | 2007-11-28 | Hitachi Chemical Co., Ltd. | Planar antenna module, triplate planar array antenna, and triplate line-waveguide converter |
| CN104600438A (en) * | 2015-01-28 | 2015-05-06 | 清华大学 | Multi-beam antenna array based on sliding hole surface |
| CN105140653A (en) * | 2015-08-05 | 2015-12-09 | 西安电子科技大学 | Planar waveguide continue transverse stub (CTS) antenna broadband feeding line source based on planar dielectric lens |
| CN105244634A (en) * | 2015-10-26 | 2016-01-13 | 清华大学 | Large scale MIMO antenna array dimension reduction method and system using the method |
-
2017
- 2017-02-23 CN CN201710100338.8A patent/CN106887721B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1860731A1 (en) * | 2005-03-16 | 2007-11-28 | Hitachi Chemical Co., Ltd. | Planar antenna module, triplate planar array antenna, and triplate line-waveguide converter |
| CN104600438A (en) * | 2015-01-28 | 2015-05-06 | 清华大学 | Multi-beam antenna array based on sliding hole surface |
| CN105140653A (en) * | 2015-08-05 | 2015-12-09 | 西安电子科技大学 | Planar waveguide continue transverse stub (CTS) antenna broadband feeding line source based on planar dielectric lens |
| CN105244634A (en) * | 2015-10-26 | 2016-01-13 | 清华大学 | Large scale MIMO antenna array dimension reduction method and system using the method |
Non-Patent Citations (4)
| Title |
|---|
| Linear Multibeam Transmitarray Based on the Sliding Aperture Technique;Yuefeng Hou etc.;《IEEE Transactions on Antennas and Propagation》;20180511;3948-3958 * |
| Multi-Beam Antennas for Massive MIMO System with Vertical Spatial Filtering Technique;Yuefeng Hou etc.;《2018 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC)》;20180906;1-2 * |
| Sliding the Radiating Aperture of Multi-beam Transmitarray with Low Scan Loss;Yuefeng Hou etc.;《2018 International Conference on Microwave and Millimeter Wave Technology (ICMMT)》;20181206;1-3 * |
| 几种空馈阵列天线的设计与研究;陈阳;《中国优秀硕士学位论文全文数据库 信息科技辑》;20141115;I136-31 * |
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| CN106887721A (en) | 2017-06-23 |
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