CN210430099U - High-gain broadband circularly polarized antenna and wireless communication equipment - Google Patents
High-gain broadband circularly polarized antenna and wireless communication equipment Download PDFInfo
- Publication number
- CN210430099U CN210430099U CN201921200284.3U CN201921200284U CN210430099U CN 210430099 U CN210430099 U CN 210430099U CN 201921200284 U CN201921200284 U CN 201921200284U CN 210430099 U CN210430099 U CN 210430099U
- Authority
- CN
- China
- Prior art keywords
- arc section
- circularly polarized
- polarized antenna
- floor
- parasitic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a high-gain broadband circular polarization antenna and wireless communication equipment, the antenna comprises a two-layer medium substrate, four radiating bodies, four parasitic patches, a feed structure and a floor, wherein the two-layer medium substrate is horizontally arranged from top to bottom; the four radiators and the feed structure are arranged on the upper surface of the lower-layer dielectric substrate, the four radiators are rotationally symmetrical, the feed structure is provided with an input port and four output ports, the four output ports are respectively connected with the four radiators, and the floor is arranged on the lower surface of the lower-layer dielectric substrate; the four parasitic patches are arranged on the upper surface of the upper-layer dielectric substrate, correspond to the four radiators one by one, and are positioned right above the corresponding radiators; the wireless communication device comprises the antenna. The utility model discloses the antenna has characteristics such as high gain, high bandwidth, workable, simple structure, with low costs, can be applied to in the wireless communication system of 1.76GHz ~ 3GHz within range.
Description
Technical Field
The utility model relates to a circular polarized antenna, especially a high-gain broadband circular polarized antenna and wireless communication equipment belong to wireless communication technical field.
Background
Compared with a linear polarization antenna, the circularly polarized antenna has many excellent characteristics, such as the ability to alleviate polarization mismatch and suppress multipath effect, and has important applications in the fields of global satellite communication systems and radio frequency identification. With the rapid development of wireless communication technology, in order to meet the application of multiple channels, the bandwidth requirement of modern communication systems is higher and higher, and antennas are inevitably developed towards this direction as bridges and air interfaces of wireless communication technology. The traditional circularly polarized antenna has narrow available bandwidth and cannot meet the wireless communication requirement of high-data-rate transmission, and the traditional broadband circularly polarized antenna has low gain and generally high profile.
According to investigation and understanding, the prior art that has been disclosed is as follows:
an article entitled "circular Polarized Bandwidth-Enhanced cross Polarized Single Parasitic Element" published in 16 th.e., IEEE Antennas Wireless performance spread.lett, h.h.tran, i.park, andt.k.nguyen, 2017, proposes a Circularly Polarized cross dipole antenna With increased Bandwidth. The article adopts a coaxial feed crossed dipole structure and is loaded with a trapezoidal parasitic patch, so that the axial ratio bandwidth of the antenna is widened, the axial ratio bandwidth is increased to 58.6%, but the section of the structure is as high as 0.27 lambda0(λ0Free space wavelengths that are circularly polarized center frequencies) limits the practical application of this structure.
67 in 2019, "IEEE transactions Propag," L.B.Sun, Y.Li, Z.J.Zhang, and Z.H.Feng, "Low-Profile Compact structured Slot-Ethernet usage Even and Odd models" published an article entitled "Low-Profile Compact Polarized Slot-Ethernet usage Even and Odd modelsA high-gain planar inverted-F antenna is provided, in which a pair of odd and even modes are excited to realize circular polarization by performing in-phase feed and backward feed at two ports of a slotted planar inverted-F antenna, and the structure has a lambda of 0.0320The section of (2) is low, but the available bandwidth is only 14.7%, and the gain is only about 2.2dBic, so that the requirement of high bandwidth and high gain cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving above-mentioned prior art's weak point, provide a high-gain broadband circular polarized antenna, this antenna has characteristics such as high-gain, high bandwidth, workable, simple structure, with low costs, can be applied to in the wireless communication system of 1.76GHz ~ 3GHz within range.
Another object of the present invention is to provide a wireless communication device.
The purpose of the utility model can be achieved by adopting the following technical scheme:
a high-gain broadband circularly polarized antenna comprises two layers of dielectric substrates, four radiating bodies, four parasitic patches, a feed structure and a floor, wherein the two layers of dielectric substrates are horizontally arranged from top to bottom;
the four radiators and the feed structure are arranged on the upper surface of the lower-layer dielectric substrate, the four radiators are rotationally symmetrical, the feed structure is provided with an input port and four output ports, the four output ports are respectively connected with the four radiators, and the floor is arranged on the lower surface of the lower-layer dielectric substrate;
the four parasitic patches are arranged on the upper surface of the upper-layer dielectric substrate, the four parasitic patches correspond to the four radiating bodies one by one, and each parasitic patch is located right above the corresponding radiating body.
Further, the four radiators are rotationally symmetrical about the central axis of the floor, and any one radiator is formed by rotating the radiator adjacent to the radiator ninety degrees around the central axis of the floor.
Further, the four parasitic patches are rotationally symmetric about the central axis of the floor, and any one parasitic patch is formed by rotating a parasitic patch adjacent to the parasitic patch by ninety degrees about the central axis of the floor.
Furthermore, the four radiating bodies and the four parasitic patches are all of rectangular structures, the four radiating bodies are the same in size, the four parasitic patches are also the same in size, the length of each radiating body is greater than that of each parasitic patch, and the width of each radiating body is greater than that of each parasitic patch.
Further, the feed structure comprises a first arc segment, a second arc segment, a third arc segment and a fourth arc segment;
the first end of the first arc section is provided with an input port;
the second end of the first arc section is connected with the first end of the second arc section, and an output port is arranged at the connection position of the first arc section and the second arc section;
the second end of the second arc section is connected with the first end of the third arc section, and an output port is arranged at the connection position of the second arc section and the third arc section;
the second end of the third arc section is connected with the first end of the fourth arc section, and an output port is arranged at the connection position of the third arc section and the fourth arc section;
and the second end of the fourth arc segment is provided with an output port.
Further, the arc lengths of the second arc segment, the third arc segment and the fourth arc segment are the same and are greater than the arc length of the first arc segment; the width of second circular arc section is greater than the width of first circular arc section, the width of first circular arc section is greater than the width of third circular arc section, the width of third circular arc section is greater than the width of fourth circular arc section.
Furthermore, the floor is of a square structure which is subjected to chamfering treatment and has four arc-shaped corner cuts.
Further, an air layer is arranged between the two dielectric substrates.
Furthermore, the distance between the two dielectric substrates is 0.06-0.07 lambda0Wherein λ is0The wavelength corresponding to the center frequency of the antenna.
The utility model discloses a further purpose can reach through taking following technical scheme:
a wireless communication device comprises the high-gain broadband circularly polarized antenna.
The utility model discloses for prior art have following beneficial effect:
1. the utility model discloses the antenna has the bandwidth of broad, through setting up two-layer dielectric substrate, sets up four rotational symmetry's irradiator and feed structure at lower dielectric substrate's upper surface to link to each other four output ports of four rotational symmetry's irradiators and feed structure, greatly improved the impedance bandwidth of antenna, the simulation result shows that the-10 dB impedance bandwidth of antenna is 54.2%; and four parasitic patches are arranged on the upper surface of the upper-layer dielectric substrate, the four parasitic patches correspond to the four radiating bodies one by one, and each parasitic patch is positioned right above the corresponding radiating body, so that the effect of a director is achieved, the gain of the antenna is improved, and the highest gain is increased from 4.5dBi to 6.6 dBi.
2. The utility model discloses the floor of antenna is square structure, and its four right angles are handled through the chamfer, have excised four arc pieces that the size is the same, obtain four arc corner cuts, have improved the axial ratio of antenna, make the axial ratio bandwidth of antenna obtain showing and promote, and 3dB axial ratio bandwidth is up to 72.1%.
3. The utility model discloses the antenna adopts double-deck dielectric substrate, simple structure, and dielectric substrate's processing technology is ripe, and is with low costs, and the yield is high, and the manufacture process is simple, can satisfy the requirement of the low cost of antenna.
4. The utility model discloses the antenna has simple structure, high-gain's advantage, and the parameter that needs the adjustment is less, and easy processing design is fit for the engineering and uses, has solved some circular polarized antenna structure complicacies, the bandwidth is narrow, and the high problem of section of prior art.
Drawings
Fig. 1 is a perspective structural view of a high-gain broadband circularly polarized antenna according to an embodiment of the present invention.
Fig. 2 is a side view structure diagram of the high-gain broadband circular polarized antenna according to the embodiment of the present invention.
Fig. 3 is a bottom view structural diagram of the second dielectric substrate in the high-gain broadband circular polarized antenna according to the embodiment of the present invention.
Fig. 4 is a top view structural diagram of the second dielectric substrate in the high-gain broadband circular polarized antenna according to the embodiment of the present invention.
Fig. 5 is a top view structural diagram of the first dielectric substrate in the high-gain broadband circular polarization antenna according to the embodiment of the present invention.
FIG. 6 shows the | S of the high-gain broadband circularly polarized antenna according to an embodiment of the present invention11Simulation curve of | variation with frequency.
Fig. 7 is a simulation curve of the axial ratio of the high-gain broadband circularly polarized antenna according to the embodiment of the present invention varying with frequency.
Fig. 8 is a simulation curve of the gain of the high-gain broadband circularly polarized antenna according to the embodiment of the present invention varying with frequency.
Fig. 9 is a simulation curve of the efficiency of the high-gain broadband circularly polarized antenna according to the embodiment of the present invention as a function of frequency.
Fig. 10 is an E-plane radiation pattern of the high-gain broadband circular polarized antenna according to the embodiment of the present invention at 2 GHz.
Fig. 11 is an H-plane radiation pattern of the high-gain broadband circular polarized antenna according to the embodiment of the present invention at 2 GHz.
Fig. 12 is an E-plane radiation pattern of the high-gain broadband circular polarized antenna according to the embodiment of the present invention at 2.4 GHz.
Fig. 13 is an H-plane radiation pattern of the high-gain broadband circular polarized antenna according to the embodiment of the present invention at 2.4 GHz.
Fig. 14 is an E-plane radiation pattern of the high-gain broadband circular polarized antenna according to the embodiment of the present invention at 2.9 GHz.
Fig. 15 is an H-plane radiation pattern of the high-gain broadband circular polarized antenna according to the embodiment of the present invention at 2.9 GHz.
The antenna comprises a first dielectric substrate 1, a second dielectric substrate 2, a radiator 3, a first radiator 301, a second radiator 302, a third radiator 303, a fourth radiator 304, a parasitic patch 4, a first parasitic patch 401, a second parasitic patch 402, a third parasitic patch 403, a fourth parasitic patch 404, a feed structure 5, a first arc segment 501, a second arc segment 502, a third arc segment 503, a fourth arc segment 504, a fourth arc segment 505, an input port 506, a first output port 507, a second output port 508, a third output port 509, a fourth output port 509, a floor 6 and an arc chamfer 601.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Example (b):
as shown in fig. 1 to fig. 3, the present embodiment provides a high-gain broadband circularly polarized antenna, which can be applied to a wireless communication device, and includes a first dielectric substrate 1, a second dielectric substrate 2, four radiators 3, four parasitic patches 4, a feeding structure 5, and a floor 6, where the first dielectric substrate 1 and the second dielectric substrate 2 are horizontally disposed from top to bottom, where the first dielectric substrate 1 is an upper dielectric substrate, and the second dielectric substrate 2 is a lower dielectric substrate.
Further, the cross-sectional shapes of the first dielectric substrate 1 and the second dielectric substrate 2 are square, the first dielectric substrate 1 and the second dielectric substrate 2 have the same size, that is, the length, the width and the height of the first dielectric substrate 1 are all the same as those of the second dielectric substrate 2, an air layer is arranged between the first dielectric substrate 1 and the second dielectric substrate 2, and the distance between the first dielectric substrate 1 and the second dielectric substrate 2 is 0.064 lambda0Wherein λ is0The wavelength corresponding to the center frequency of the antenna.
As shown in fig. 1 to 4, four radiators 3 and a feed structure 5 are disposed on the upper surface of the second dielectric substrate 2, and the four radiators 3 are rotationally symmetric; further, the four radiators 3 are all rectangular structures and have the same size, that is, the length and the width are the same, the four radiators 3 are rotationally symmetric about the central axis of the floor 6, and any one radiator 3 is formed by rotating the radiator 3 adjacent to the radiator 3 by ninety degrees around the central axis of the floor 5; specifically, the four radiators 3 are a first radiator 301, a second radiator 302, a third radiator 303 and a fourth radiator 304, respectively, where the first radiator 301 is adjacent to the second radiator 302, the second radiator 302 is adjacent to the third radiator 303, the third radiator 303 is adjacent to the fourth radiator 304, the fourth radiator 304 is adjacent to the first radiator 301, the first radiator 301 is formed by rotating the second radiator 302 counterclockwise by ninety degrees around the central axis of the floor panel 5, the second radiator 302 is formed by rotating the third radiator 303 counterclockwise by ninety degrees around the central axis of the floor panel 5, the third radiator 303 is formed by rotating the fourth radiator 304 counterclockwise by ninety degrees around the central axis of the floor panel 5, and the fourth radiator 304 is formed by rotating the first radiator 301 counterclockwise by ninety degrees around the central axis of the floor panel 5.
Further, the feed structure 5 is disposed at the middle position of the upper surface of the second dielectric substrate 2, the first radiator 301, the second radiator 302, the third radiator 303 and the fourth radiator 304 are distributed around the feed structure 5, and the feed structure 5 includes a first arc segment 501, a second arc segment 502, a third arc segment 503 and a fourth arc segment 504; the first end of the first arc segment 501 is provided with an input port 505, and the input port 505 extends from the first end of the first arc segment 501 to the center of the upper surface of the second dielectric substrate 2; a second end of the first arc segment 501 is connected with a first end of the second arc segment 502, a first output port 506 is arranged at a connection position of the first arc segment 501 and the second arc segment 502, and the first output port 506 is connected with the first radiator 301; a second end of the second arc segment 502 is connected with a first end of the third arc segment 503, and a second output port 507 is arranged at a connection position of the second arc segment 502 and the third arc segment 503, and the second output port 507 is connected with the second radiator 302; a second end of the third arc segment 503 is connected to a first end of the fourth arc segment 504, a third output port 508 is disposed at a connection position of the third arc segment 503 and the fourth arc segment 504, and the third output port 508 is connected to the third radiator 303; a second end of the fourth arc segment 504 is provided with a fourth output port 509, and the fourth output port 509 is connected with the fourth radiator 304; because four output ports of the feed structure 5 are respectively connected with the four radiators 3, the impedance bandwidth of the antenna is greatly improved.
In this embodiment, the arc lengths of the second arc segment 502, the third arc segment 503 and the fourth arc segment 504 are the same and larger than the arc length of the first arc segment 501; the width of the second arc segment 502 is greater than the width of the first arc segment 501, the width of the first arc segment 501 is greater than the width of the third arc segment 503, and the width of the third arc segment 503 is greater than the width of the fourth arc segment 504.
Further, the floor 6 is arranged in the middle of the lower surface of the second dielectric substrate 2, the central axis of the floor 6 is consistent with the central axis of the feed structure 5, that is, the central axis of the second dielectric substrate 2, the floor 6 of the embodiment is of a square structure, four right angles of the square structure are subjected to chamfering treatment, four arc-shaped pieces with the same size are cut off, four arc-shaped corner cuts 601 are obtained, the axial ratio of the antenna is improved, the axial ratio bandwidth of the antenna is remarkably improved, and the 3dB axial ratio bandwidth is as high as 72.1%.
As shown in fig. 1 to 5, four parasitic patches 4 are disposed on the upper surface of the first dielectric substrate 1, the four parasitic patches 4 correspond to four radiators 3 one by one, that is, the four parasitic patches 4 are also rotationally symmetric, the four parasitic patches 4 are a first parasitic patch 401, a second parasitic patch 402, a third parasitic patch 403 and a fourth parasitic patch 404, the first parasitic patch 401 corresponds to the first radiator 301, the first parasitic patch 401 is located right above the first radiator 301, the second parasitic patch 402 corresponds to the second radiator 302, the second parasitic patch 402 is located right above the second radiator 302, the third parasitic patch 403 corresponds to the third radiator 303, the third parasitic patch 403 is located right above the third radiator 303, the fourth parasitic patch 402 corresponds to the fourth radiator 304, and the fourth parasitic patch 404 is located right above the fourth radiator 304, the four parasitic patches 4 act as directors, increasing the gain of the antenna from 4.5dBic to 6.6 dBic.
Furthermore, the four parasitic patches 4 are all rectangular structures and have the same size, that is, the length and the width are the same; the four parasitic patches 4 are rotationally symmetric about the central axis of the floor 6, and any one parasitic patch 4 is formed by rotating a parasitic patch 4 adjacent to the parasitic patch 4 by ninety degrees about the central axis of the floor 5; specifically, the first parasitic patch 401 is adjacent to the second parasitic patch 402, the second parasitic patch 402 is adjacent to the third parasitic patch 403, the third parasitic patch 403 is adjacent to the fourth parasitic patch 404, the fourth parasitic patch 404 is adjacent to the first parasitic patch 401, the first parasitic patch 401 is formed by the second parasitic patch 402 rotated ninety degrees counterclockwise about the central axis of the floor 5, the second parasitic patch 402 is formed by the third parasitic patch 403 rotated ninety degrees counterclockwise about the central axis of the floor 5, the third parasitic patch 403 is formed by the fourth parasitic patch 404 rotated ninety degrees counterclockwise about the central axis of the floor 5, and the fourth parasitic patch 404 is formed by the first parasitic patch 401 rotated ninety degrees counterclockwise about the central axis of the floor 5.
In the present embodiment, the length of the radiator 3 is greater than the length of the parasitic patch 4, and the width of the radiator 3 is greater than the width of the parasitic patch 4.
After the dimensional parameters of each part of the high-gain broadband circularly polarized antenna of this embodiment are adjusted, verification simulation is performed on the high-gain broadband circularly polarized antenna of this embodiment through calculation and electromagnetic field simulation, as shown in fig. 6, the | S of the antenna in the frequency range of 1.3 GHz-3.3 GHz is given11Curve of parameter simulation result, | S11The parameter represents the return loss of the input port, and as can be seen from the figure, the value of the curve is less than-10 dB in the frequency range of 1.41GHz to 3GHz, and the simulation result shows that the high-gain broadband circularly polarized antenna of the embodiment has a wider impedance bandwidth, the impedance bandwidth reaches 54.2%, the performance of the antenna is good, and the requirement of a broadband wireless communication system can be met.
The axial ratio simulation result curve of the high-gain broadband circularly polarized antenna of the embodiment is shown in fig. 7, and it can be seen that the value of the curve is less than 3dB in the frequency range of 1.76 GHz-3.07 GHz; the gain simulation result curve of the high-gain broadband circularly polarized antenna of the double-layer radiation patch of the embodiment is shown in fig. 8, and it can be seen that the in-band gain is relatively stable; the simulation result curve of the radiation efficiency of the high-gain broadband circularly polarized antenna with the double-layer radiation patch of the embodiment is shown in fig. 9, and the radiation efficiency of the antenna can reach about 90% in the pass band.
The E radiation pattern of the HFSS simulation model of the high-gain broadband circularly polarized antenna of the present embodiment at 2GHz is shown in fig. 10, and the H plane pattern is shown in fig. 11; the E radiation pattern at 2.4GHz is shown in fig. 12 and the H plane pattern is shown in fig. 13; the E radiation pattern at 2.9GHz is shown in fig. 14 and the H plane pattern is shown in fig. 15.
In the above embodiments, the first dielectric substrate 1 and the second dielectric substrate 2 both adopt FR4_ epoxy; the radiator 3, the parasitic patch 4, the feed structure 5 and the floor 6 are all made of metal materials, and the metal materials can be any one of aluminum, iron, tin, copper, silver, gold and platinum or an alloy of any one of aluminum, iron, tin, copper, silver, gold and platinum; the wireless communication device can be an electronic device such as a mobile phone and a tablet computer.
To sum up, the utility model discloses the antenna has the bandwidth of broad, through setting up two-layer dielectric substrate, sets up four rotational symmetry's irradiator and feed structure on the upper surface of lower floor dielectric substrate to link to each other four output ports of four rotational symmetry's irradiators and feed structure, has greatly improved the impedance bandwidth of antenna, and simulation result shows that the-10 dB impedance bandwidth of antenna is 54.2%; and four parasitic patches are arranged on the upper surface of the upper-layer dielectric substrate, the four parasitic patches correspond to the four radiating bodies one by one, and each parasitic patch is positioned right above the corresponding radiating body, so that the effect of a director is achieved, the gain of the antenna is improved, and the highest gain is increased from 4.5dBi to 6.6 dBi.
The above, only be the embodiment of the utility model discloses a patent preferred, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel who is familiar with this technical field are in the utility model discloses a within range, according to the utility model discloses a technical scheme and utility model design equivalence substitution or change all belong to the protection scope of the utility model patent.
Claims (10)
1. A high-gain broadband circularly polarized antenna is characterized in that: the antenna comprises two layers of dielectric substrates, four radiating bodies, four parasitic patches, a feed structure and a floor, wherein the two layers of dielectric substrates are horizontally arranged from top to bottom;
the four radiators and the feed structure are arranged on the upper surface of the lower-layer dielectric substrate, the four radiators are rotationally symmetrical, the feed structure is provided with an input port and four output ports, the four output ports are respectively connected with the four radiators, and the floor is arranged on the lower surface of the lower-layer dielectric substrate;
the four parasitic patches are arranged on the upper surface of the upper-layer dielectric substrate, the four parasitic patches correspond to the four radiating bodies one by one, and each parasitic patch is located right above the corresponding radiating body.
2. The high-gain broadband circularly polarized antenna of claim 1, wherein: the four radiators are rotationally symmetrical about the central axis of the floor, and any one radiator is formed by rotating the radiator adjacent to the radiator by ninety degrees around the central axis of the floor.
3. The high-gain broadband circularly polarized antenna of claim 1, wherein: the four parasitic patches are rotationally symmetric about a central axis of the floor, and any one parasitic patch is formed by a parasitic patch adjacent to the parasitic patch rotated ninety degrees about the central axis of the floor.
4. The high-gain broadband circularly polarized antenna of any one of claims 1 to 3, wherein: the four radiating bodies and the four parasitic patches are of rectangular structures, the four radiating bodies are the same in size, the four parasitic patches are also the same in size, the length of each radiating body is greater than that of each parasitic patch, and the width of each radiating body is greater than that of each parasitic patch.
5. The high-gain broadband circularly polarized antenna of any one of claims 1 to 3, wherein: the feed structure comprises a first arc section, a second arc section, a third arc section and a fourth arc section;
the first end of the first arc section is provided with an input port;
the second end of the first arc section is connected with the first end of the second arc section, and an output port is arranged at the connection position of the first arc section and the second arc section;
the second end of the second arc section is connected with the first end of the third arc section, and an output port is arranged at the connection position of the second arc section and the third arc section;
the second end of the third arc section is connected with the first end of the fourth arc section, and an output port is arranged at the connection position of the third arc section and the fourth arc section;
and the second end of the fourth arc segment is provided with an output port.
6. The high-gain broadband circularly polarized antenna of claim 5, wherein: the second arc section, the third arc section and the fourth arc section have the same arc length and are larger than the arc length of the first arc section; the width of second circular arc section is greater than the width of first circular arc section, the width of first circular arc section is greater than the width of third circular arc section, the width of third circular arc section is greater than the width of fourth circular arc section.
7. The high-gain broadband circularly polarized antenna of any one of claims 1 to 3, wherein: the floor is a square structure which is subjected to chamfering treatment and has four arc-shaped corner cuts.
8. The high-gain broadband circularly polarized antenna of any one of claims 1 to 3, wherein: an air layer is arranged between the two dielectric substrates.
9. The high-gain broadband circularly polarized antenna of claim 8, wherein: the distance between the two dielectric substrates is 0.06-0.07 lambda0Wherein λ is0The wavelength corresponding to the center frequency of the antenna.
10. A wireless communication device, characterized by: comprising a high-gain broadband circularly polarized antenna according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200284.3U CN210430099U (en) | 2019-07-29 | 2019-07-29 | High-gain broadband circularly polarized antenna and wireless communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200284.3U CN210430099U (en) | 2019-07-29 | 2019-07-29 | High-gain broadband circularly polarized antenna and wireless communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210430099U true CN210430099U (en) | 2020-04-28 |
Family
ID=70383328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921200284.3U Active CN210430099U (en) | 2019-07-29 | 2019-07-29 | High-gain broadband circularly polarized antenna and wireless communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210430099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444876A (en) * | 2019-07-29 | 2019-11-12 | 华南理工大学 | High-gain broadband circular polarized antenna and wireless telecom equipment |
-
2019
- 2019-07-29 CN CN201921200284.3U patent/CN210430099U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444876A (en) * | 2019-07-29 | 2019-11-12 | 华南理工大学 | High-gain broadband circular polarized antenna and wireless telecom equipment |
| CN110444876B (en) * | 2019-07-29 | 2024-03-22 | 华南理工大学 | High-gain broadband circularly polarized antenna and wireless communication equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yang et al. | Low-profile dual-polarized filtering magneto-electric dipole antenna for 5G applications | |
| Parchin et al. | Dual-polarized MIMO antenna array design using miniaturized self-complementary structures for 5G smartphone applications | |
| Liang et al. | Printed circular ring monopole antennas | |
| Zhou et al. | Tightly coupled array antennas for ultra-wideband wireless systems | |
| KR20210077808A (en) | Microstrip antenna, antenna array and method of manufacturing microstrip antenna | |
| Oh et al. | Low profile vertically polarized omnidirectional wideband antenna with capacitively coupled parasitic elements | |
| CN105048079A (en) | Omnidirectional circular polarization plane antenna | |
| Murugan | Compact MIMO shorted microstrip antenna for 5G applications | |
| CN114336024B (en) | Broadband circularly polarized planar antenna array applied to millimeter wave communication system | |
| CN110444876B (en) | High-gain broadband circularly polarized antenna and wireless communication equipment | |
| CN113690599B (en) | Horizontal polarization omnidirectional super-surface antenna | |
| CN112886234B (en) | Microwave millimeter wave coplanar common-caliber antenna based on embedded structure | |
| CN210430099U (en) | High-gain broadband circularly polarized antenna and wireless communication equipment | |
| CN113506976A (en) | High-gain circularly polarized antenna and wireless communication device | |
| Wang et al. | A wideband circularly polarized filtering antenna based on slot-patch structure | |
| Wang et al. | Design of broadband miniaturized 5G base station antenna | |
| CN115939782A (en) | W-band rotary type circularly polarized magnetoelectric dipole antenna array | |
| CN107196050B (en) | Miniaturized dual-band circularly polarized antenna loaded with electromagnetic metamaterial | |
| CN113839187B (en) | Parasitic unit loaded high-gain double-frequency microstrip antenna | |
| CN115173051A (en) | Broadband high-gain circularly polarized antenna array | |
| Gupta et al. | Dual band micro-strip patch antennas for 5G sub 6 GHz smart mobile phone and C-band application | |
| CN209948038U (en) | Differential feed three-frequency dual-polarized antenna | |
| CN113708046A (en) | Miniaturized broadband circular polarization three-dimensional printing mixed dielectric resonator antenna | |
| CN216648607U (en) | Circularly polarized microstrip patch antenna | |
| CN115548675B (en) | Low-profile super-surface antenna capable of realizing oblique radiation characteristic |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |