CN107069208B - Broadband miniaturized 5G millimeter wave array antenna - Google Patents
Broadband miniaturized 5G millimeter wave array antenna Download PDFInfo
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- CN107069208B CN107069208B CN201710431513.1A CN201710431513A CN107069208B CN 107069208 B CN107069208 B CN 107069208B CN 201710431513 A CN201710431513 A CN 201710431513A CN 107069208 B CN107069208 B CN 107069208B
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- 230000005540 biological transmission Effects 0.000 claims description 30
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 238000005530 etching Methods 0.000 abstract description 4
- IYZWUWBAFUBNCH-UHFFFAOYSA-N 2,6-dichlorobiphenyl Chemical compound ClC1=CC=CC(Cl)=C1C1=CC=CC=C1 IYZWUWBAFUBNCH-UHFFFAOYSA-N 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a broadband miniaturized 5G millimeter wave antenna unit, which comprises an antenna PCB, wherein a dipole upper arm is formed on the upper surface of the antenna PCB in an etching way, a dipole lower arm and an antenna bottom floor connected with the dipole lower arm are formed on the lower surface of the antenna PCB in an etching way. The invention also provides a broadband miniaturized 5G millimeter wave array antenna, which comprises a handheld terminal circuit board and an antenna PCB (printed circuit board) formed by 8 antenna units, wherein the antenna bottom floor of the antenna PCB is correspondingly connected with the handheld terminal circuit board. The broadband miniaturized 5G millimeter wave array antenna provided by the invention comprises two frequency bands of 37GHz and 39GHz, has the characteristics of small size, large bandwidth and high gain, can share a PCB with a handheld terminal, can also independently use one antenna PCB, and has greater flexibility.
Description
Technical Field
The invention relates to an antenna, in particular to a miniaturized 5G millimeter wave array antenna working at 37GHz and 39GHz broadband.
Background
With the rapid development of communication technology, research on fifth generation (5G) mobile communication system technology for the purpose of high-speed transmission and universal interconnection is being conducted in a global area as well.
To meet the requirement of 5G high-speed transmission, millimeter waves will play an important role because the bandwidth of millimeter waves is wide. However, due to the straight propagation of millimeter waves and the high attenuation property in air, the propagation distance thereof is short and more transmitting base stations are required to prevent electromagnetic waves emitted from a single base station from affecting communication when blocked by objects. In order to compensate for the loss of the millimeter wave band antenna, a plurality of antenna units need to be assembled to increase the gain of the antenna. In addition, the location of the mobile terminal device is constantly changing, and in order to perform point-to-point communication with the base station with a fixed location, the array antenna must also have a beamforming capability, so that the beam of the array antenna can be switched or scanned at will within a certain angle.
The federal communications commission in the united states of america of 7 months in 2016 defines millimeter wave bands of 28GHz (27.5-28.35 GHz), 37GHz (37-38.6 GHz) and 39GHz (38.6-40 GHz) of 5G, but the design of 5G millimeter wave array antennas is currently rarely applicable, in particular, to handheld devices. Although in document "Design and analysis of a low-profile 28GHz beam stearing antenna solution for future 5G cellular applications" (2014 IEEE MTT-S International Microwave Symposium, pp.1-4), wonbin Hong et al proposed a millimeter wave handset array antenna for the 28GHz band and in document "Multi-layer 5G mombile phone antenna for Multi-user MIMO communications" (201523rd Telecommunications Forum Telfor,pp.559-562), naser Ojaroudiparchin et al also proposed a millimeter wave array antenna for the 28GHz band. However, the present invention is applied to a millimeter wave array antenna in a narrow band, and therefore, it is necessary to provide a miniaturized broadband array antenna capable of simultaneously containing 37GHz and 39GHz dual bands.
Disclosure of Invention
To this end, the present invention aims to provide a miniaturized array antenna of broadband capable of containing both 37GHz and 39GHz dual bands.
The aim of the invention is achieved by the following technical scheme.
A broadband miniaturized 5G millimeter wave antenna unit comprises an antenna PCB, wherein a dipole upper arm is formed on the upper surface of the antenna PCB in an etching way, a dipole lower arm and an antenna bottom floor connected with the dipole lower arm are formed on the lower surface of the antenna PCB in an etching way; the dipole upper arm and the antenna bottom floor are connected and fed through the inner core and the outer core of the coaxial line.
Preferably, the dipole upper arm comprises an upper arm first outer circle, an upper arm second outer circle, an upper arm transmission line, an upper arm first conversion section and an upper arm second conversion section; the left side of the first excircle of the upper arm is intersected with the second excircle of the upper arm, the right side of the first excircle of the upper arm is connected with an upper arm transmission line, and the upper arm transmission line is sequentially connected with the first conversion section of the upper arm and the second conversion section of the upper arm.
Preferably, an upper arm first outer circle hole is formed in the upper arm first outer circle, an upper arm second outer circle hole is formed in the upper arm second outer circle, and the upper arm first outer circle hole is separated from the upper arm second outer circle hole.
Preferably, the dipole lower arm comprises a lower arm first outer circle, a lower arm second outer circle and a lower arm transmission line, the right side of the lower arm first outer circle is intersected with the lower arm second outer circle, the left side of the lower arm first outer circle is connected with the lower arm transmission line, and the lower arm transmission line and the upper arm transmission line are in the same-axis projection.
Preferably, a first outer circle hole of the lower arm is formed in the second outer circle of the lower arm, a second outer circle hole of the lower arm is formed in the second outer circle of the lower arm, and the first outer circle hole of the lower arm is separated from the second outer circle hole of the lower arm.
Preferably, the projections of the first outer circle of the upper arm and the second outer circle of the upper arm on the lower surface of the antenna PCB are correspondingly symmetrical with the lower arm transmission line which is used as an axis of the first outer circle of the lower arm and the second outer circle of the lower arm.
Preferably, the radius of the first outer circle of the upper arm is 0.56mm, the radius of the second outer circle of the upper arm is 0.3mm, the radius of the first outer circle of the upper arm is 0.27mm, and the radius of the second outer circle of the upper arm is 0.23mm.
Preferably, the antenna PCB is made of a Rogers RT5880 plate with a dielectric constant of 2.2, and the thickness of the antenna PCB is 0.25mm.
In addition, the invention also provides a broadband miniaturized 5G millimeter wave array antenna, which comprises a mobile phone circuit board and an antenna PCB board formed by a plurality of antenna units, wherein the space between the antenna units is 4mm, and the antenna bottom surface floor of the antenna PCB board is correspondingly connected with the mobile phone circuit board.
Preferably, the antenna PCB is composed of 8 antenna units, and the 8 antenna units share an antenna bottom floor of the PCB.
The broadband miniaturized 5G millimeter wave array antenna provided by the invention comprises two frequency bands of 37GHz and 39GHz, has the characteristics of small size, large bandwidth and high gain, can share a PCB with a handheld terminal, can also independently use one antenna PCB, and has greater flexibility.
Drawings
Fig. 1 is a perspective view of an antenna unit of the present invention;
fig. 2 is a front view of an antenna unit of the present invention;
FIG. 3 is a schematic diagram of return loss of an antenna unit according to the present invention;
fig. 4 is a radiation pattern of the antenna unit of the present invention with frequencies of 37GHz,38.5GHz and 40GHz, respectively, at phi=90 degrees;
FIG. 5 is a schematic diagram of an 8-element linear array antenna comprised of FIG. 1;
fig. 6 is a schematic diagram of S-parameters of an 8-element array antenna;
fig. 7 is a scan of an 8-element array antenna at 37GHz in the Theta direction;
FIG. 8 is a scan of an 8-element array antenna in the Theta direction at 38.5 GHz;
fig. 9 is a scan of an 8-element array antenna in the Theta direction at 40 GHz.
The figure identifies the description: the antenna PCB board 10, the dipole upper arm 20, the upper arm first outer circle 21, the upper arm first outer circle hole 211, the upper arm second outer circle 22, the upper arm second outer circle hole 221, the upper arm transmission line 23, the upper arm first conversion section 24, the upper arm second conversion section 25, the dipole lower arm 30, the lower arm first outer circle 31, the lower arm first outer circle hole 311, the lower arm second outer circle 32, the lower arm second outer circle hole 321, the lower arm transmission line 33, the antenna bottom surface floor 40, and the mobile phone circuit board 50.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Aiming at the problem that the conventional millimeter wave array antenna cannot simultaneously contain 37GHz and 39GHz double frequency bands, the invention provides a broadband miniaturized 5G antenna unit containing 37GHz and 39GHz double frequency bands and an array antenna design scheme.
Referring to fig. 1 and 2, fig. 1 is a perspective view of an antenna unit according to the present invention; fig. 2 is a front view of the antenna unit of the present invention. The invention provides a broadband miniaturized 5G millimeter wave antenna unit, which comprises an antenna PCB 10, wherein a dipole upper arm 20 is etched and formed on the upper surface of the antenna PCB 10, and a dipole lower arm 30 and an antenna bottom floor 40 are etched and formed on the lower surface of the antenna PCB 10.
The antenna PCB board 10 was made of Rogers RT5880 board with a dielectric constant of 2.2 and a thickness of 0.25mm.
The dipole upper arm 20 is disposed on the upper surface of the antenna PCB board 10, and includes an upper arm first outer circle 21, an upper arm second outer circle 22, an upper arm transmission line 23, an upper arm first conversion section 24, and an upper arm second conversion section 25. In this embodiment, the radius of the first outer circle of the upper arm is 0.56mm, and the radius of the second outer circle of the upper arm is 0.3mm.
The left side of the upper arm first outer circle 21 is intersected with the upper arm second outer circle 22, the right side of the upper arm first outer circle 21 is connected with the upper arm transmission line 23, the upper arm transmission line 23 is connected with the upper arm first conversion section 24, the upper arm first conversion section 24 is connected with the upper arm second conversion section 25, and the upper arm second conversion section 25 is fed through a feed network with a phased array function.
The upper arm first outer circle 21 is internally provided with an upper arm first outer circle hole 211, the upper arm second outer circle 22 is internally provided with an upper arm second outer circle hole 221, and the upper arm first outer circle hole 211 is separated from the upper arm second outer circle hole 221.
The upper arm first outer circle hole 211 and the upper arm second outer circle hole 221 are both circular, and in this embodiment, the radius of the upper arm first outer circle hole is 0.27mm, and the radius of the upper arm second outer circle hole is 0.23mm; the upper arm transmission line 23 has a size of 0.74mm by 0.62mm, the upper arm first transition section 24 has a size of 0.6mm by 0.34mm, the upper arm second transition section 25 has a size of 0.25mm by 0.2mm, and the antenna bottom floor 40 has a size of 0.86mm by 4mm.
The dipole lower arm 30 is disposed on the lower surface of the antenna PCB 10, and is symmetrical to the dipole upper arm 20 with the vertical projection of the upper arm transmission line 23 on the lower surface of the antenna PCB 10 as an axis, and includes a lower arm first outer circle 31, a lower arm second outer circle 32 and a lower arm transmission line 33, the right side of the lower arm first outer circle 31 intersects with the lower arm second outer circle 32, the left side is connected with the lower arm transmission line 33, and the lower arm transmission line 33 and the upper arm transmission line 23 are on the same axis projection.
The radius of the lower arm first outer circle 31 is 0.56mm, and the radius of the lower arm second outer circle 32 is 0.3mm.
The first outer circle of the lower arm 31 is internally provided with a first outer circle of the lower arm hole 311, the second outer circle of the lower arm 32 is internally provided with a second outer circle hole 321 of the lower arm, and the first outer circle hole 311 of the lower arm is separated from the second outer circle hole 321 of the lower arm.
The radius of the first outer round hole 311 of the lower arm is 0.27mm, and the radius of the second outer round hole 321 of the lower arm is 0.23mm.
The projections of the upper arm second outer circle 21 and the upper arm second outer circle 22 on the lower surface of the antenna PCB 10 are correspondingly symmetrical with the lower arm first outer circle 31 and the lower arm second outer circle 32 by taking the lower arm transmission line 33 as an axis.
As shown in fig. 3 and 4, fig. 3 is a schematic diagram of return loss of the antenna unit according to the present invention; fig. 4 is a radiation pattern of the antenna unit of the present invention with frequencies of 37GHz,38.5GHz and 40GHz, respectively, at phi=90 degrees. The figure shows that the gain of the antenna in the +Z direction is about 5.7dBi under different frequencies, and the radiation patterns have good consistency.
As shown in fig. 5, fig. 5 is a schematic diagram of an 8-element linear array antenna composed of fig. 1. As can be seen from the figure, the array antenna in this embodiment is a PCB board 10, 8 antenna units shown in fig. 1 are disposed on the PCB board 10, 8 dipole upper arms are correspondingly formed on the upper surface of the PCB board 10, and correspondingly, 8 dipole lower arms are correspondingly formed on the lower surface of the PCB board 10, and each dipole upper arm corresponds to each dipole lower arm one by one.
In addition, the antenna bottom floor 40 formed on the lower surface of the PCB 10 in this embodiment is integrated, and may be connected to the mobile phone circuit board 50.
In another way, the bottom surface of the PCB 10 is free of the antenna area, and the mobile phone circuit board 50 is disposed under the PCB 10, and the bottom surface of the antenna floor 40 is copper-plated on the upper layer of the mobile phone circuit board 50, i.e. the upper layer of the mobile phone circuit board 50 is copper-plated on the floor corresponding to the antenna area on the bottom surface of the PCB 10, so that the PCB 10 and the mobile phone circuit board 50 share the upper layer of the mobile phone circuit board 50.
In this embodiment, the size of the mobile phone circuit board 50 is 130mm 65mm, but for the antenna formed by the two arms of the dipole, the longitudinal (z-axis) direction is only 2.5mm, the clearance is only 1.66mm, the overall length (x-axis direction) of the two arms of the dipole is 3.4mm, the area of the antenna occupied by the PCB is small, and the occupied area when the antenna is made at the edge of the PCB is almost negligible.
As shown in fig. 6, fig. 6 is a schematic diagram of S-parameters of an 8-cell array antenna. The return loss is seen to be close to that of a single antenna, with the highest isolation from adjacent elements, and then progressively less with increasing distance from it.
As shown in fig. 7, fig. 7 is a scan of the 8-cell array antenna in the Theta direction at 37 GHz. As can be seen from the figure, the gain of the array antenna in the +z direction increases from 5.7dBi to about 11.1dBi compared to a single antenna. In addition, as can be seen from fig. 4, the side lobe does not increase too much when the array antenna scans within 0 to 60 degrees, so that point-to-point connection or communication with the base station can be realized. Further, referring to the antenna element phi=90 degrees pattern in fig. 4, it is known that the pattern of the array at phi=90 degrees (YOZ plane) is similar to the shape in fig. 4, so that both the upper and lower surfaces of the mobile terminal can communicate with the base station well. Thus, even if the handheld terminal is moving, the handheld terminal can scan continuously in the Theta direction, because the handheld terminal almost covers omnidirectionally in the Phi direction.
As shown in fig. 8, fig. 8 is a scan of the 8-element array antenna in the Theta direction at 38.5 GHz. As can be seen from the figure, the gain of the array antenna in the +Z direction is about 11.4dBi, the side lobe of the directional diagram in the figure is lower as in fig. 7, and the main lobe can scan well within 0 to 60 degrees.
As shown in fig. 9, fig. 9 is a scan of the 8-cell array antenna in the Theta direction at 40 GHz. As can be seen from the figure, the gain of the array antenna in the +z direction is about 11.6dBi, the main lobe in the figure can be scanned well within 0 to 60 degrees as in the direction diagram in fig. 7, and the side lobe is lower, but the side lobe rises to more than 0dBi when the main lobe is 60 degrees.
As can be seen from the scans of fig. 7-9, as the scan angle increases, the side lobes also rise; with the increase of the frequency, the main lobe of the antenna becomes narrower and the side lobe becomes higher with a fixed cell pitch. This is because increasing the frequency decreases the wavelength and the corresponding multiple of the wavelength at the same pitch increases, and the larger the scan angle, the more likely it is that a larger and more side lobes will be included. The antenna elements and arrays may also be extended to other 5G millimeter wave operating bands. In addition, as can be seen from the scans of fig. 7-9, the antenna design ensures good operation within 60 degrees of scan angle at an operating frequency in the range of 37-40GHz, which is also one of the advantages of the antenna design.
In summary, the antenna array system of the invention comprises two frequency bands of 37GHz and 39GHz, and has the characteristics of small size, large bandwidth and high gain; and the antenna can share the PCB with the handheld terminal, and can also independently use one antenna PCB, so that the antenna has greater flexibility.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (3)
1. The broadband miniaturized 5G millimeter wave array antenna is characterized by comprising a mobile phone circuit board and an antenna PCB (printed circuit board) formed by a plurality of antenna units, wherein a dipole upper arm is etched on the upper surface of the antenna PCB, and a dipole lower arm and an antenna bottom floor connected with the dipole lower arm are etched on the lower surface of the antenna PCB; the dipole upper arm comprises an upper arm first outer circle, an upper arm second outer circle, an upper arm transmission line, an upper arm first conversion section and an upper arm second conversion section; the left side of the first outer circle of the upper arm is intersected with the second outer circle of the upper arm, the right side of the first outer circle of the upper arm is connected with an upper arm transmission line, and the upper arm transmission line is sequentially connected with a first conversion section of the upper arm and a second conversion section of the upper arm; the upper arm first outer circle is internally provided with an upper arm first outer circle hole, the upper arm second outer circle hole is internally provided with an upper arm second outer circle hole, and the upper arm first outer circle hole is separated from the upper arm second outer circle hole; the dipole lower arm comprises a lower arm first outer circle, a lower arm second outer circle and a lower arm transmission line, wherein the right side of the lower arm first outer circle is intersected with the lower arm second outer circle, the left side of the lower arm first outer circle is connected with the lower arm transmission line, and the lower arm transmission line and the upper arm transmission line are positioned on the same axis projection; the lower arm first outer circle is internally provided with a lower arm first outer circle hole, the lower arm second outer circle is internally provided with a lower arm second outer circle hole, and the lower arm first outer circle hole is separated from the lower arm second outer circle hole; and the projection of the upper arm first outer circle and the upper arm second outer circle on the lower surface of the antenna PCB is correspondingly symmetrical with the lower arm transmission line of the lower arm first outer circle and the lower arm second outer circle as axes.
2. The broadband miniaturized 5G millimeter wave array antenna of claim 1, wherein the upper arm first outer circle radius is 0.56mm, the upper arm second outer circle radius is 0.3mm, the upper arm first outer circle hole digging radius is 0.27mm, and the upper arm second outer circle hole digging radius is 0.23mm.
3. The broadband miniaturized 5G millimeter wave array antenna of claim 1, wherein the antenna PCB is made of Rogers RT5880 board with a dielectric constant of 2.2 and the thickness of the antenna PCB is 0.25mm.
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| CN201710431513.1A CN107069208B (en) | 2017-06-02 | 2017-06-02 | Broadband miniaturized 5G millimeter wave array antenna |
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| CN201710431513.1A CN107069208B (en) | 2017-06-02 | 2017-06-02 | Broadband miniaturized 5G millimeter wave array antenna |
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| CN107069208B true CN107069208B (en) | 2023-11-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11967758B2 (en) | 2022-11-15 | 2024-04-23 | Skyworks Solutions, Inc. | Printed circuit board structure including a closed cavity |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10541474B2 (en) | 2016-09-06 | 2020-01-21 | Skyworks Solutions, Inc. | Antenna for radio-frequency electronics |
| US20180198204A1 (en) | 2016-12-13 | 2018-07-12 | Skyworks Solutions, Inc. | Apparatus and methods for dynamic management of antenna arrays |
| US11069978B2 (en) | 2017-04-07 | 2021-07-20 | Skyworks Solutions, Inc. | Method of manufacturing a radio-frequency module with a conformal shield antenna |
| US10700424B2 (en) | 2017-05-05 | 2020-06-30 | Skyworks Solutions, Inc. | Printed circuit board structure including a closed cavity |
| US10986739B2 (en) | 2017-05-05 | 2021-04-20 | Skyworks Solutions, Inc. | Method of making printed circuit board structure including a closed cavity |
| CN111244611B (en) * | 2018-11-29 | 2024-02-13 | 三星电机株式会社 | Antenna device |
| US10680332B1 (en) | 2018-12-28 | 2020-06-09 | Industrial Technology Research Institute | Hybrid multi-band antenna array |
| CN110085986B (en) * | 2019-06-25 | 2020-11-20 | 东南大学 | Large-frequency-ratio dual-frequency antenna capable of beam scanning |
| CN110492241B (en) * | 2019-07-16 | 2021-02-19 | 清华大学 | Antenna array applied to large-angle scanning of 5G millimeter wave mobile terminal |
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|---|---|---|---|---|
| CN1639908A (en) * | 2002-07-15 | 2005-07-13 | 弗拉克托斯股份有限公司 | Antenna unit one or more holes |
| CN206774674U (en) * | 2017-06-02 | 2017-12-19 | 深圳市信维通信股份有限公司 | A kind of miniaturization 5G millimeter wave array antennas |
Non-Patent Citations (1)
| Title |
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| Yibo Wang等."Design of Dipole Beam-steering Antenna Array for 5G Handset Applications".《2016 Progress In Electromagnetic Research Symposium (PIERS)》.2016,第2450-2452页. * |
Cited By (1)
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| US11967758B2 (en) | 2022-11-15 | 2024-04-23 | Skyworks Solutions, Inc. | Printed circuit board structure including a closed cavity |
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