CN208507929U - A kind of millimeter wave antenna system and communication device - Google Patents
A kind of millimeter wave antenna system and communication device Download PDFInfo
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- CN208507929U CN208507929U CN201821306290.2U CN201821306290U CN208507929U CN 208507929 U CN208507929 U CN 208507929U CN 201821306290 U CN201821306290 U CN 201821306290U CN 208507929 U CN208507929 U CN 208507929U
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- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 5
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- 239000003989 dielectric material Substances 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 3
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- 230000001070 adhesive effect Effects 0.000 description 9
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- 229920000106 Liquid crystal polymer Polymers 0.000 description 3
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
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- 230000006835 compression Effects 0.000 description 1
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- 229910000679 solder Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a kind of millimeter wave antenna system and communication devices, comprising: is provided with framework/shell of antenna slots；High dielectric covering layer, set on the outside of antenna slots；Signal transmission unit, set on the inside of antenna slots；The signal transceiver module being electrically connected with signal transmission unit；And the intermediate frequency and baseband processing unit being electrically connected with signal transceiver module；Wherein, high dielectric covering layer, antenna slots and signal transmission unit collectively form the dielectric resonator antenna array of millimeter wave antenna system.A kind of antenna system provided by the utility model, have the characteristics that occupy little space, can modifying factor it is more and work efficiency is high.
Description
Technical Field
The utility model belongs to the design field of communication assembly especially relates to a millimeter wave antenna system and communication device.
Background
With the advent of fifth-generation mobile communication (5G), millimeter wave array antenna technology has been gaining importance as one of its core technologies, and will be inevitably applied to various terminals (such as mobile phones, tablet computers, readers, etc.) in the future. In the design of the conventional terminal, space is precious, which directly affects the competitiveness of the terminal. For example, a thin, slim, compact cell phone is often preferred by consumers over thicker cell phones. For a 5G millimeter wave antenna array, factors such as the volume, layout, and unit design of the array are considered, and if a design scheme is available that reduces the space occupation as much as possible and can efficiently realize the functions of the array, the design scheme is certainly favored by various manufacturers.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an antenna system and communication device, it has characteristics such as occupation space is little, correctable factor is many and work efficiency height.
In order to solve the above problem, the technical scheme of the utility model is that:
a millimeter-wave antenna system comprising:
a frame/housing with antenna slots;
the high dielectric covering layer is arranged outside the antenna slot;
the signal transmission unit is arranged on the inner side of the antenna slot;
the signal receiving and transmitting assembly is electrically connected with the signal transmission unit; and
the intermediate frequency and baseband processing unit is electrically connected with the signal transceiving component;
wherein,
the high dielectric covering layer, the antenna slot and the signal transmission unit jointly form a dielectric resonant antenna array of the millimeter wave antenna system.
According to an embodiment of the present invention, at the position of the antenna slot, the inner side and the outer side of the frame/housing are respectively provided with an inner groove and an outer groove; the inner groove and the signal transmission unit are designed in a conformal manner, and the signal transmission unit is embedded in the inner groove;
the outer groove and the high dielectric covering layer are of conformal design, and the high dielectric covering layer is embedded in the outer groove.
According to an embodiment of the present invention, the high dielectric cover layer entirely covers the outside of all the antenna slots; or
The high dielectric covering layer comprises a plurality of high dielectric covering layer subunits, and each high dielectric covering layer subunit covers the outer side of one or more antenna slots.
According to the utility model discloses an embodiment, signal transmission unit includes:
a flexible circuit board substrate;
the flexible circuit board substrate is provided with a feed transmission line and
a signal feed port electrically connected to the feed transmission line;
wherein,
and the signal feed-in port of the feed transmission line is electrically connected with the signal transceiving component.
According to the utility model discloses an embodiment, feed transmission line's end span in the inboard of antenna gap to the coupling feed mode passes through radio frequency signal the antenna gap radiates to free space.
According to the utility model discloses an embodiment, signal transceiver module in attached in the back of flexible circuit board base material.
According to an embodiment of the present invention, the flexible circuit board substrate further includes an extension portion, and the extension portion is attached to a battery of a device including the millimeter wave antenna system or a rear cover of the device or a main circuit board of the device;
the signal transceiving component is arranged on the extension part.
According to the utility model discloses an embodiment, it is adjacent interval d between the antenna gap satisfies following relational expression:
0.25λ≤d≤λ；
and λ is the wavelength corresponding to the working frequency of the millimeter wave antenna system.
According to the utility model discloses an embodiment, the quantity of antenna gap is 2 positive integer powers.
According to the utility model discloses an embodiment, the trompil shape of antenna slot is for being greater than trilateral polygon, or for the figure that constitutes by the pitch arc, or for the figure that constitutes by pitch arc and straight flange.
According to an embodiment of the present invention, the dielectric resonator antenna array is one or more.
According to an embodiment of the present invention, the high dielectric capping layer has a dielectric constant greater than 10.
According to an embodiment of the present invention, the high dielectric capping layer is zirconium dioxide ceramic or aluminum oxide.
According to an embodiment of the present invention, the frame/housing is made of metal or part of metal plus a dielectric material.
A communication device, the millimeter wave antenna system according to any of the above embodiments.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
1) the antenna system in an embodiment of the present invention avoids the problem of space occupation of antennas inside the communication device by disposing the antenna slot on the side of the frame/housing of the communication terminal; the inner side groove is arranged on the frame body/shell, the structural design of the signal transmission unit and the design of the inner side groove are in a conformal design, and the signal transmission unit can be directly embedded into the inner side groove, so that the occupied space of the antenna system is further saved; through setting up the outside recess at the metal frame to make the structural design of high dielectric overburden and the design of outside recess be conformal design, in the high dielectric overburden can directly imbed the outside recess, the effectual space that utilizes the metal frame has guaranteed communication device's outward appearance design.
2) The utility model relates to an embodiment's but antenna system correctable factor is many, can optimize the debugging to antenna system's parameter through the dielectric constant that changes high dielectric coating and thickness, the thickness of metal frame, the size isoparametric in antenna gap, can guarantee that antenna system has indexes such as good impedance, directionality, 3dB bandwidth in the environment of complicacy.
3) The dielectric resonant antenna array is positioned on the appearance surface of the communication terminal, the antenna array is slightly influenced by the internal layout and the environment of the terminal, and the performance consistency is high.
4) The antenna array is in a dielectric resonant antenna array form, the size of the dielectric resonant antenna array is small, the conductor loss is low, and the gain and the bandwidth are good.
Drawings
Fig. 1 is a schematic diagram illustrating the positions of antenna arrays of a millimeter wave antenna system according to an embodiment of the present invention;
fig. 2 is a detailed diagram of an antenna array structure of a millimeter wave antenna system according to an embodiment of the present invention;
fig. 3 is a detailed diagram of an antenna array of a millimeter wave antenna system according to an embodiment of the present invention from inside to outside;
fig. 4 is a perspective detailed view of an antenna array unit of a millimeter wave antenna system according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating an arrangement of antenna array units of a millimeter wave antenna system according to an embodiment of the present invention;
fig. 6 is a schematic diagram of several alternative examples of the shape of the antenna slot opening according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a system architecture of a dielectric resonator antenna array according to an embodiment of the present invention;
fig. 8 is an S-parameter curve of a dielectric resonator antenna array according to an embodiment of the present invention;
fig. 9 is a far field pattern of a dielectric resonator antenna array element according to an embodiment of the present invention;
fig. 10 is a gain diagram of a dielectric resonator antenna array unit according to an embodiment of the present invention;
fig. 11 is a far field pattern of the dielectric resonator antenna array 8 unit when excited in the same amplitude and phase according to an embodiment of the present invention;
fig. 12 is a gain diagram of the dielectric resonator antenna array 8 according to an embodiment of the present invention when excited in equal amplitude and in phase;
fig. 13 is a far field pattern of the medium resonator antenna array according to an embodiment of the present invention when the 8-unit neighboring units are excited in equal amplitude and opposite phase;
fig. 14 is a gain diagram of the dielectric resonator antenna array according to an embodiment of the present invention when equal-amplitude reverse-phase excitation is performed between adjacent 8-element elements.
Description of reference numerals:
100: a frame/housing; 110: a dielectric resonant antenna array; 111: a signal transmission unit; 112: an antenna slot; 113: a non-conductive adhesive; 114: a high dielectric cap layer; 115: a signal transceiving component; 116: an intermediate frequency and baseband processing unit; 1110: a via hole; 1111: a unit flexible circuit board substrate; 1112: routing unit strip lines; 1113, unit non-conductive adhesive; 1114: a cell high dielectric cap layer; 1115: a cell signal feed-in port; 1121: a unit metal frame body; 1122: a unit rectangular antenna slot; 211: non-equidistant antenna slot elements; 212: equidistant antenna slot elements.
Detailed Description
The following describes an antenna system and a communication device according to the present invention in further detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims.
Referring to fig. 1, 2, 3, 4, and 5, a millimeter wave antenna system includes: a frame/housing 100 with an antenna slot 112; a high dielectric cover layer 114 provided outside the antenna slot 112; a signal transmission unit 111 provided inside the antenna slot 112; a signal transceiver module 115 electrically connected to the signal transmission unit 111; and an intermediate frequency and baseband processing unit 116 electrically connected to the signal transceiving module 115; the high dielectric cover layer 114, the antenna slot 112 and the signal transmission unit 111 together form a dielectric resonator antenna array 110 of the millimeter wave antenna system.
In the millimeter wave antenna system, the dielectric resonator antenna array 110 is arranged on the appearance surface of the communication terminal, and the dielectric resonator antenna array 110 is slightly affected by the internal layout and environment of the terminal and has high performance consistency. The antenna array of the millimeter wave antenna system adopts the form of the dielectric resonator antenna array 110, and the size of the dielectric resonator antenna array 110 is very small, the conductor loss is low, and the gain and the bandwidth are very good.
The frame/housing 100 in an embodiment may be made of all metal or a part of metal and a dielectric material, for example, may be a casing of a commonly used mobile terminal, which is generally used for business communication or entertainment, and no matter which application, a user expects the mobile terminal to have a light and thin design. Of course, the millimeter wave antenna system in this embodiment may also be used in some communication devices with special applications, which may be applied in complex electromagnetic environments, and at this time, users may expect a communication device with better performance, and the millimeter wave antenna system in this embodiment has a plurality of correctable factors, for example, parameters of the millimeter wave antenna system may be optimized and adjusted by changing parameters such as the dielectric constant and the thickness of the high dielectric cover layer 114, the thickness of the frame/housing 100, and the size of the antenna slot, and the antenna system may have good indexes such as impedance, directivity, and 3dB bandwidth in complex environments.
In one embodiment, at the location of the antenna slot 112, the inside and outside of the frame/housing 100 are provided with an inside groove and an outside groove, respectively; the inner side groove and the signal transmission unit 111 are in a conformal design, and the signal transmission unit 111 is embedded in the inner side groove; the outer groove and the high-k dielectric cap layer 114 have a conformal design, and the high-k dielectric cap layer 114 is embedded inside the outer groove.
It can be understood that by providing the inner side groove in the frame/housing 100 and making the structural design of the signal transmission unit 111 and the design of the inner side groove be conformal, the signal transmission unit 111 can be directly embedded into the inner side groove, thereby further saving the occupied space of the millimeter wave antenna system; by arranging the outer groove on the frame/housing 100 and making the structural design of the high dielectric covering layer 114 and the design of the outer groove be conformal, the high dielectric covering layer 114 can be directly embedded into the outer groove, the space of the frame/housing 100 is effectively utilized, and the appearance design of the communication device is ensured.
The outboard and inboard grooves in one embodiment may be milled.
The high dielectric cap layer 114 in one embodiment may optionally entirely cover the outside of all of the antenna slots 112. Of course, the high dielectric cover 114 may also include several high dielectric cover sub-elements, each covering the outside of one or more antenna slots 112.
Referring again to fig. 5, in one embodiment, the dielectric resonator antenna array 110 has a plurality of antenna slots 112, and the antenna slots 112 may be disposed on any one side of the frame/housing 100, or the antenna slots 112 may be disposed on multiple sides to implement specific beam forming and beam scanning functions. For some frames/housings 100 with oblique angles, the antenna slots 112 may also be provided at oblique angles, but considering the small size of the oblique angles, it is difficult to form antenna array units, and therefore, it is necessary to use the antenna array units with a side antenna array. The adjacent antenna slots in the dielectric resonator antenna array 110 may be equally spaced or unequally spaced, for example, the non-equidistant antenna slot elements 211 and the equidistant antenna slot elements 212. The spacing d between adjacent antenna slots 112 satisfies the relationship: d is more than or equal to 0.25 lambda and less than or equal to lambda; wherein λ is a wavelength corresponding to an operating frequency of the antenna system.
In one embodiment, the number of antenna slots 112 is preferably a positive integer power of 2.
Referring to fig. 6, the aperture shape of the antenna slot 112 in one embodiment is a polygon with more than three sides (e.g., rectangle, pentagon, etc.), or a figure consisting of arcs (e.g., circle, ellipse, etc.), or a figure consisting of arcs and straight sides (e.g., semicircle, fan, etc.).
Further, the signal transmission unit 111 includes: a flexible circuit board substrate; the flexible circuit board base material is provided with a feed transmission line and a signal feed inlet electrically connected with the feed transmission line; wherein, the signal feeding port of the feeding transmission line is electrically connected with the signal transceiving component 115. Specifically, the end of the feed transmission line crosses the inside of the antenna slot 112, and radiates the radio frequency signal to the free space through the antenna slot 112 in a coupled feeding manner.
Furthermore, the flexible circuit board substrate also comprises an extension part, and the extension part is attached to a battery of equipment containing the millimeter wave antenna system or a rear cover of the equipment or a main circuit board of the equipment; the signal transceiving module 115 is provided to the extension portion.
Specifically, referring again to fig. 4, fig. 4 is a perspective detail view of an embodiment of a dielectric resonator antenna unit, comprising from outside to inside: the unit high dielectric cap 1114, the unit non-conductive adhesive 1113, the unit metal frame 1121, the unit high dielectric cap 1114 and the unit non-conductive adhesive 1113 are embedded in the unit metal frame 1121. The unit metal frame 1121 includes a unit rectangular antenna slot 1122, a unit flexible circuit board substrate 1111, a unit stripline trace 1112, a via 1110, and a unit signal feed 1115. The signal transmission unit 111 specifically includes: a unit flexible circuit board substrate 1111, a feeding transmission line (specifically, a unit stripline trace 1112) formed on the unit flexible circuit board substrate 1111, and a via 1110; and a unit signal feed-in port 1115 electrically connected to the feed transmission line; wherein, the unit signal feed-in 1115 is electrically connected with the signal transceiving component 115. The unit flexible circuit board substrate 1111 may be an LCP (Liquid Crystal Polymer), and the feed transmission line may also be a coplanar waveguide, a microstrip line, or the like. The unit flexible circuit board substrate 1111 may be connected to the inner groove by means of conductive adhesive or conductive paste or screws or laser welding or ultrasonic welding or solder paste welding or spring plate connection or close-coupled connection or elastic material compression connection. Specifically, the thickness of the unit flexible circuit board substrate 1111 is 0.2mm, and the width is greater than 2 mm.
The impedance of the antenna can be adjusted by varying the following factors: the length, width and height of the high dielectric cap layer 114, the length of the unit stripline trace 1112, the number of width branches, the degree of trace continuity, and the thickness of the frame/casing 100.
Referring to fig. 7, the transceiver module 115 of an embodiment may be attached to the back side of the unit flexible circuit board substrate 1111 by using SMT (Surface mount technology) technology, so as to reduce the path loss of signal transmission. Each signal transmission unit 111 may correspond to one signal transceiving module 115, or a plurality of signal transmission units 111 (for example, 4, 8, etc.) may correspond to one signal transceiving module 115, depending on the number of antennas that can be driven by one signal transceiving module 115. The signal transceiver module 115 integrates modules that perform amplitude modulation and phase modulation functions on the antenna units to implement beam forming and beam scanning. Meanwhile, the millimeter wave frequency can be reduced to an intermediate frequency, for example, 15GHz, so as to reduce transmission loss, and then the signal is transmitted to the intermediate frequency and baseband processing unit 116 of the communication device through the transmission line for processing, so as to implement a downlink function of the millimeter wave antenna system, or vice versa, so as to implement an uplink function.
The high dielectric cap layer 114 in one embodiment has a dielectric constant greater than 10; the material of the high dielectric cap layer 114 is a ceramic material (zirconium dioxide, aluminum oxide, etc.), or a polymer material (PA, PC, PBS, PBT, LCP, PC + ABS, PEI, PPS, ABS). Preferably, the high dielectric cap layer 114 is made of zirconia ceramic having a dielectric constant of 25 and a thickness of 0.35mm to 0.55 mm.
In one embodiment, the antenna system further comprises a non-conductive adhesive element for adhering the high dielectric cover layer 114 and the slot structure of the slot antenna array 110 together. Specifically, the non-conductive adhesive unit is a non-conductive adhesive 113, and preferably, the dielectric constant of the non-conductive adhesive 113 is less than 3 and the thickness is less than 0.55 mm.
In one embodiment, the operating frequency band of the antenna system is 27.5GHz to 28.5 GHz.
The dielectric resonant antenna array 110 may be 1 or more. For example, in one embodiment, the frame/housing 100 has two sets of dielectric resonator antenna arrays 110 located on the left and right sides near the top of the frame/housing 100. Alternatively, the frame/housing 100 has three sets of dielectric resonator antenna arrays 110 located on the top and left and right sides of the frame/housing 100. Alternatively, the frame/housing 100 has four sets of dielectric resonator antenna arrays 110 located on the left and right sides, back side, and top side near the top of the frame/housing 100. Alternatively, the frame/housing 100 has five sets of dielectric resonator antenna arrays 110 located on the left and right sides, the back, the bottom, and the top near the top of the frame/housing 100.
Referring to fig. 8, an embodiment of the present invention provides an S-parameter curve of an antenna array, which corresponds to the slot antenna array model of fig. 1. The slot antenna array works at 28GHz, -10dB S11 bandwidth 1.5GHz, and the isolation between each antenna unit is larger than 15 dB. Referring to fig. 9, fig. 10, fig. 11, fig. 12, fig. 13 and fig. 14, there are respectively a far field pattern of an antenna array unit, a unit gain pattern, a far field pattern when the antenna array unit is excited in a constant amplitude and in phase, a gain pattern when the antenna array unit is excited in a constant amplitude and in a constant phase, a far field pattern when adjacent units of the antenna array unit are excited in a constant amplitude and in a reverse phase, and a gain pattern when adjacent units of the antenna array unit are excited in a constant amplitude and in a reverse phase. The antenna unit has about 4.2dB of gain, when the antenna array units are in the same amplitude and phase, the gain of 11.7dB can be realized in the normal phase direction of the array surface, and when the antenna array units are excited in opposite phase with the same amplitude and the phase between the adjacent units, the gain of 9.5dB can be realized. It can be easily observed by combining fig. 11, fig. 12, fig. 13 and fig. 14 that the array design can realize the scanning from the pitch angle of 0 degree to plus or minus 90 degrees and the gain variation is less than 3dB, and the coverage is very wide. If another set of 4 identical arrays is also provided on the other side and top, bottom and back of the frame/housing 100, a wide coverage in space will be possible.
The embodiment of the utility model provides a frequency channel 27.5GHz-28.5GHz is not restricted to, other frequency channel designs also can use the utility model discloses a design idea. By increasing or decreasing the size of the antenna slot 112, changing the slot shape, changing the three-dimensional size and material of the high dielectric coating 114, and changing the position and size of the stripline relative to the slot, additional frequency band coverage is achieved.
The utility model also provides a communication device, millimeter wave antenna system including above-mentioned embodiment. The communication device may be a device or a terminal with a display unit for communicating with the outside, such as a mobile phone, a notebook computer, a tablet computer, etc.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (15)
1. A millimeter-wave antenna system, comprising:
a frame/housing with antenna slots;
the high dielectric covering layer is arranged outside the antenna slot;
the signal transmission unit is arranged on the inner side of the antenna slot;
the signal receiving and transmitting assembly is electrically connected with the signal transmission unit; and
the intermediate frequency and baseband processing unit is electrically connected with the signal transceiving component;
wherein,
the high dielectric covering layer, the antenna slot and the signal transmission unit jointly form a dielectric resonant antenna array of the millimeter wave antenna system.
2. The millimeter-wave antenna system of claim 1, wherein the inside and outside of the frame/housing at the antenna slot locations are provided with inside and outside grooves, respectively; the inner groove and the signal transmission unit are designed in a conformal manner, and the signal transmission unit is embedded in the inner groove;
the outer groove and the high dielectric covering layer are of conformal design, and the high dielectric covering layer is embedded in the outer groove.
3. The millimeter-wave antenna system of claim 1, wherein the high dielectric covering entirely covers the outside of all of the antenna slots; or
The high dielectric covering layer comprises a plurality of high dielectric covering layer subunits, and each high dielectric covering layer subunit covers the outer side of one or more antenna slots.
4. The millimeter-wave antenna system of claim 1, wherein the signal transmission unit comprises a flexible circuit board substrate;
the flexible circuit board substrate is provided with a feed transmission line and
a signal feed port electrically connected to the feed transmission line;
wherein,
and the signal feed-in port of the feed transmission line is electrically connected with the signal transceiving component.
5. The millimeter-wave antenna system according to claim 4, wherein the feed transmission line has a distal end crossing inside the antenna slot to radiate radio-frequency signals to free space through the antenna slot in a coupled feed manner.
6. The millimeter-wave antenna system of claim 4, wherein the signal transceiver component is attached to the back side of the flexible circuit board substrate.
7. The millimeter-wave antenna system of claim 4, wherein the flexible circuit board substrate further comprises an extension portion that is affixed to a battery of a device containing the millimeter-wave antenna system or to a back cover of the device or to a main circuit board of the device;
the signal transceiving component is arranged on the extension part.
8. The millimeter-wave antenna system according to any of claims 1 to 7, wherein a spacing d between adjacent antenna slots satisfies the following relation:
0.25λ≤d≤λ；
and λ is the wavelength corresponding to the working frequency of the millimeter wave antenna system.
9. The millimeter-wave antenna system of claim 8, wherein the number of antenna slots is a positive integer power of 2.
10. The millimeter-wave antenna system according to claim 8, wherein the aperture shape of the antenna slot is a polygon having more than three sides, or a pattern consisting of arcs and straight sides.
11. The millimeter-wave antenna system of any of claims 1 to 7, wherein the dielectric resonator antenna array is one or more.
12. The millimeter-wave antenna system of any of claims 1 to 7, wherein the high dielectric cover layer has a dielectric constant greater than 10.
13. The millimeter-wave antenna system of any of claims 1 to 7, wherein the high dielectric coating is a zirconium dioxide ceramic or aluminum oxide.
14. The millimeter-wave antenna system of any of claims 1-7, wherein the frame/housing is constructed of all metal or a portion of metal plus dielectric material.
15. A communication device comprising a millimeter wave antenna system according to any of claims 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821306290.2U CN208507929U (en) | 2018-08-14 | 2018-08-14 | A kind of millimeter wave antenna system and communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821306290.2U CN208507929U (en) | 2018-08-14 | 2018-08-14 | A kind of millimeter wave antenna system and communication device |
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| Publication Number | Publication Date |
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| CN208507929U true CN208507929U (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821306290.2U Withdrawn - After Issue CN208507929U (en) | 2018-08-14 | 2018-08-14 | A kind of millimeter wave antenna system and communication device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980332A (en) * | 2018-08-14 | 2019-07-05 | 上海安费诺永亿通讯电子有限公司 | Millimeter wave antenna system, metal shell, user terminal and millimetre-wave attenuator equipment |
| CN110098466A (en) * | 2019-04-26 | 2019-08-06 | 维沃移动通信有限公司 | A kind of terminal device |
-
2018
- 2018-08-14 CN CN201821306290.2U patent/CN208507929U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980332A (en) * | 2018-08-14 | 2019-07-05 | 上海安费诺永亿通讯电子有限公司 | Millimeter wave antenna system, metal shell, user terminal and millimetre-wave attenuator equipment |
| CN109980332B (en) * | 2018-08-14 | 2023-05-09 | 上海安费诺永亿通讯电子有限公司 | Millimeter wave antenna system, metal housing, user terminal and millimeter wave communication device |
| CN110098466A (en) * | 2019-04-26 | 2019-08-06 | 维沃移动通信有限公司 | A kind of terminal device |
| WO2020216211A1 (en) * | 2019-04-26 | 2020-10-29 | 维沃移动通信有限公司 | Terminal device |
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