CN111490360B - Terminal antenna and terminal - Google Patents
Terminal antenna and terminal Download PDFInfo
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- CN111490360B CN111490360B CN201910087622.5A CN201910087622A CN111490360B CN 111490360 B CN111490360 B CN 111490360B CN 201910087622 A CN201910087622 A CN 201910087622A CN 111490360 B CN111490360 B CN 111490360B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
- H01Q1/2266—Supports; Mounting means by structural association with other equipment or articles used with computer equipment disposed inside the computer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—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
- H01Q1/243—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 with built-in antennas
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The terminal antenna comprises N antennas, wherein each antenna is symmetrically arranged on two second dielectric substrates of the terminal, and the two second dielectric substrates are respectively arranged on two opposite side edges of a first dielectric substrate and are perpendicular to the first dielectric substrate; each antenna group is axisymmetrical based on a central axis of the first medium substrate in the horizontal and vertical directions; in each antenna, a decoupling unit is arranged between the antennas arranged on the same second dielectric substrate; one end of the antenna is connected with the feed point, and the other end of the antenna is connected with the floor arranged at the bottom of the first dielectric substrate of the terminal. Therefore, through the arrangement of the plurality of antennas, the strength of the antennas is guaranteed, the decoupling units arranged between the antennas guarantee the isolation between the antennas, and the use experience of the antennas is improved.
Description
Technical Field
The embodiment of the invention relates to the field of communication, in particular to but not limited to a terminal antenna and a terminal.
Background
At present, the handheld terminal is developed towards miniaturization and wearable, and the originally insufficient space for antenna design is more strained. Meanwhile, in the mimo-Input Multiple-Output antenna array, due to the limitation of the use space, the antenna unit spacing is closer along with the increase of the number of the antenna units. Too close a cell pitch excites strong surface wave coupling and spatial inductive coupling between antennas, thereby degrading the frequency band, efficiency, etc. performance of the MIMO array. Therefore, how to adopt a reasonable and effective decoupling measure to ensure the comprehensive performance of the antenna array is very necessary. Antenna strip design in the related art, either antenna isolation is poor or antenna strength is weak, and cannot meet increasing communication requirements.
Disclosure of Invention
The terminal antenna and the terminal provided by the embodiment of the invention mainly solve the technical problem that the terminal antenna arrangement in the related technology is difficult to ensure better strength and isolation.
In order to solve the above technical problem, an embodiment of the present invention provides a terminal antenna, including N antenna groups, each antenna group including at least two different antennas, each antenna group being symmetrically disposed on two second dielectric substrates of a terminal, the two second dielectric substrates being respectively disposed on two opposite sides of a first dielectric substrate and perpendicular to the first dielectric substrate; each antenna group is axisymmetrical based on a central axis of the first medium substrate in the horizontal and vertical directions; in each antenna group, a decoupling unit is arranged between antennas arranged on the same second dielectric substrate; one end of the antenna is connected with the feeding point, and the other end of the antenna is connected with a floor arranged at the bottom of the first dielectric substrate of the terminal.
An embodiment of the present invention further provides a terminal, where the terminal includes a terminal body and the terminal antenna according to any one of claims 1 to 9, where the terminal body includes at least the first dielectric substrate, the second dielectric substrate, the feeding point, and a floor.
The invention has the beneficial effects that:
according to the terminal antenna and the terminal provided by the embodiment of the invention, the terminal antenna comprises N antenna groups, each antenna group comprises at least two different antennas, each antenna group is symmetrically arranged on two second medium substrates of the terminal, and the two second medium substrates are respectively arranged on two opposite side edges of the first medium substrate and are vertical to the first medium substrate; each antenna group is axisymmetrical based on a central axis of the first medium substrate in the horizontal and vertical directions; in each antenna group, decoupling units are arranged between the antennas arranged on the same second medium substrate; one end of the antenna is connected with the feed point, and the other end of the antenna is connected with the floor arranged at the bottom of the first dielectric substrate of the terminal. Therefore, through various types of antennas, the strength of the antennas is guaranteed, the isolation between the antennas is guaranteed through the decoupling units arranged between the antennas, and the use experience of the antennas is improved.
Additional features and corresponding advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic view of a terminal antenna structure according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of an antenna arrangement according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first antenna unit according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second antenna unit according to a second embodiment of the present invention;
FIG. 5 is a schematic view of a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a second decoupling unit according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
referring to fig. 1, the terminal antenna includes N antenna groups, each antenna group includes at least two different antennas, each antenna group 5 is symmetrically disposed on two second dielectric substrates 2 of a terminal, and the two second dielectric substrates 2 are respectively disposed on two opposite side edges of a first dielectric substrate 1 and perpendicular to the first dielectric substrate 1; each antenna group 5 is axisymmetrical based on the central axis of the first medium substrate 1 in the horizontal and vertical directions; in each antenna group 5, a decoupling unit is arranged between antennas arranged on the same second dielectric substrate 2; one end of the antenna is connected with the feeding point 4, and the other end of the antenna is connected with the floor 3 arranged at the bottom of the first dielectric substrate 1 of the terminal.
In other words, the terminal antenna may be a component of the antenna in the terminal, and other antenna modules may be disposed at other positions on the terminal, which is not limited in this embodiment.
The terminal antenna in this embodiment includes N antenna groups 5, where the antennas in each antenna group 5 include at least two different antennas, and the number and types of the antennas included in each antenna group 5 are the same. The antenna arrangement mode of each antenna group 5 is axisymmetric, and the specific symmetric mode is that each antenna group 5 on the same second dielectric substrate 2 is axisymmetric with respect to the center line of the second dielectric substrate 2, and the antenna groups 5 on the two second dielectric substrates 2 are symmetric with each other, and are reflected on the first dielectric substrate 1, that is, each antenna group 5 is axisymmetric based on the central axis of the first dielectric substrate 1 in the horizontal and vertical directions.
Each antenna in the antenna group 5 has one end connected to the feeding point 4 provided by the terminal, and the other end grounded, and the portion between the two ends is the antenna body. The feeding point 4 can be realized by providing a through hole at the bottom of the floor 3 and the first dielectric substrate 1 and then connecting to feeding.
In some embodiments, the decoupling cells may include a first decoupling cell 6 and a second decoupling cell 32, the first decoupling cell 6 being disposed between the antenna groups 5, the second decoupling cell 32 being disposed between the antennas within the antenna groups 5. The decoupling units in this embodiment may be disposed between the antenna groups 5, and between the antennas inside the antenna groups 5; different decoupling units are set for different scenarios, such as the type of antenna, the setting interval between antennas, and other conditions.
In some embodiments, the first decoupling unit 6 may comprise a neutralizing line and a grounding plate, the neutralizing line being electrically connected to the grounding plate, the grounding plate being connected to the floor 3 at the bottom of the first dielectric substrate 1 of the terminal.
Specifically, the neutralization line is disposed on the second dielectric substrate 2 and located between the two antenna groups 5; the ground strip is connected to the middle of the neutral line and extends along the second dielectric substrate 2 towards the floorboard 3 and is connected thereto.
In some embodiments, the second decoupling unit 32 includes a hollow-out groove disposed on the floor 3, the hollow-out groove is located between the two antennas, and the hollow-out groove is i-shaped. The I-shaped hollow groove is arranged along a connecting line between two antennas in the I-shaped hollow groove and is parallel to the connecting line, namely two transverse sides of the I-shaped hollow groove are respectively close to the adjacent antennas, and the middle vertical side of the I-shaped hollow groove is consistent with the connecting line between the antennas in direction.
In some embodiments, at least two antennas of the antenna group 5 each include a coupling feeding unit and a radiating unit, and the coupling feeding unit feeds power to the radiating unit by coupling. The coupling feed element, i.e. the part of the antenna connected to the feed point 4, and one end of the radiating element is connected to the floor 3. The coupling feed unit and the radiation unit are not directly connected, and the feed from the coupling feed unit to the radiation unit is realized in a coupling mode.
In some embodiments, the coupling feed element and the radiating element are both printed on the second dielectric substrate 2. The antenna can be directly set up on second dielectric substrate 2 through the mode of printing to can guarantee that the size of antenna is little, be convenient for arrange the use in a large number, also be convenient for guarantee to have sufficient clearance between the antenna.
In some embodiments, each antenna group 5 includes two different antennas, and in the two antennas, the coupling feeding units are a C-type coupling feeding piece and an L-type coupling feeding piece, respectively, and the radiation unit is placed in an opening formed in each of the C-type coupling feeding piece and the L-type coupling feeding piece.
In some embodiments, the radiating element includes a bent radiating tab bent at least into the respective openings formed by the C-type coupling feed tab and the L-type coupling feed tab.
The embodiment provides a terminal antenna, which includes N antenna groups, each antenna group includes at least two different antennas, each antenna group is symmetrically disposed on two second dielectric substrates of a terminal, and the two second dielectric substrates are respectively disposed on two opposite side edges of a first dielectric substrate and are perpendicular to the first dielectric substrate; each antenna group is axisymmetrical based on a central axis of the first medium substrate in the horizontal and vertical directions; in each antenna group, decoupling units are arranged between antennas arranged on the same second medium substrate; one end of the antenna is connected with the feed point, and the other end of the antenna is connected with the floor arranged at the bottom of the first dielectric substrate of the terminal. Therefore, through various types of antennas, the strength of the antennas is guaranteed, the isolation between the antennas is guaranteed through the decoupling units arranged between the antennas, and the use experience of the antennas is improved.
Example two
Referring to fig. 1-4, the present embodiment provides an 8x8MIMO antenna suitable for a mobile handheld terminal, which can be applied to terminals such as a mobile phone. In order to achieve the above object, in this embodiment, two loop antenna units of two coupling structure feeding manners are adopted to form an 8 × 8mimo array in mirror symmetry, a coupling antenna portion printed on the second dielectric substrate of the terminal is used as a main radiator, and two different decoupling measures are used to further achieve an effect of improving the isolation of the antenna, where the overall structure diagram of the antenna is as shown in fig. 1. The first dielectric substrate 1, its size can be 124mm x 74mm x 0.8mm, and the second dielectric substrate 2 located at the first dielectric substrate 1 side, set up in two long sides of the first dielectric substrate 1 separately, the long side of the second dielectric substrate 2 couples to long side of the first dielectric substrate 1, and the two are in the vertical relation, the size is 124mm x 6mm x 0.8mm; the size of the metal floor 3 on the lower surface of the first dielectric substrate 1 is 124mm × 74mm, the metal floor 3 is provided with 8 round holes 31, the radius of the round holes 31 is 1.5mm, and the round holes 31 are respectively arranged on two sides of the long edge of the metal floor 3 and used for connecting and feeding a radio frequency connector; the number of the feed points 4 is 8, the geometric centers of the feed points 4 respectively correspond to the geometric centers of the round holes 31 one by one, and the feed points are connected with the feed lines 7 on the upper surface of the first dielectric substrate 1 through coaxial inner cores with the radius of 0.6mm, and the size of the feed lines 7 is 8mm multiplied by 1.5mm; the antenna 5 on the second dielectric substrate 2 comprises two structural forms of a first antenna unit 51 and a second antenna unit 52, the first decoupling unit 6 is printed on the second dielectric substrate 2, and the floor gap in the shape of the Chinese character 'Gong' is formed by etching the second decoupling unit 32 on the metal floor 3.
In order to reduce the space occupied by the antenna on the first dielectric substrate 1, the radiation antenna is arranged on the second dielectric substrate 2, antenna units with different unit structures are used, the matching bandwidth of the antenna units and the isolation between the units are improved, the antenna units have uniform resonance at 3.42GHz, the antenna units can cover 3.28GHz-3.63GHz under the condition of a self-reflection coefficient Sii < -6dB, the absolute bandwidth can reach 350MHz, and the matching performance of the antenna units is good.
Referring to fig. 2, a structure diagram of a lateral second dielectric substrate 2, an antenna unit 5 and a decoupling unit 6 of an 8x8MIMO antenna suitable for a mobile handheld terminal is shown, where the antenna unit 5 includes two structural forms of a first antenna unit 51 and a second antenna unit 52, and the decoupling unit 6 is connected to the inverted "S" -shaped bent radiating fins of the two second antenna units 52 of the same second dielectric substrate 2. The decoupling unit 6 is composed of a neutralization line 61 and a grounding plate 62, the neutralization line 61 is a rectangular metal patch with the size of 22.4mm multiplied by 0.1mm, the grounding plate 62 is a rectangular metal patch with the size of 1mm multiplied by 0.8mm, and the neutralization line 61 is connected with the metal floor 3 positioned on the lower surface of the first dielectric substrate 1 through a stub line 62, the first decoupling unit 6 can effectively inhibit the coupling between the adjacent ports; the neutralizing line 61 is a metal strip printed on the second dielectric substrate 2.
As shown in fig. 3, which is a structural diagram of the first antenna unit 51, the first antenna unit 51 is composed of a "C" type coupling feed tab 511 printed on the second dielectric substrate 2, an inverted "S" type bent radiation tab 512 printed on the second dielectric substrate 2, and a ground tab 513; the C-shaped coupling feed piece 511 is formed by splicing three rectangular metal patches with the sizes of 2.5mm × 0.6mm, 4mm × 0.5mm and 3.5mm × 0.8mm, the lower part of each metal patch is connected with the feed line 7 on the upper surface of the dielectric substrate, and the inverted S-shaped bent radiation piece 512 is fed in a coupling mode; the inverted S-shaped bent radiating patch 512 is formed by splicing five rectangular metal patches with the sizes of 4.0mm multiplied by 0.8mm, 0.8mm multiplied by 0.5mm, 7.8mm multiplied by 0.4mm, 1.2mm multiplied by 0.5mm and 3.5mm multiplied by 0.4mm, wherein the tail end part of the inverted S-shaped bent radiating patch extends towards the interior of the inverted S-shaped bent radiating patch through an opening of a C-shaped coupling feed patch 511, and the initial end part of the inverted S-shaped bent radiating patch is connected with the metal floor 3 positioned on the lower surface of the first dielectric substrate 1 through a grounding patch 513 printed on the second dielectric substrate 2; the grounding plate 513 is a rectangular metal patch with a size of 1.0mm × 0.8mm. The antenna unit has compact structure and smaller size, and is suitable for mobile terminal antenna design.
As shown in fig. 4, which is a structural diagram of the second antenna unit 52, the second antenna unit 52 is composed of an "L" type coupling feed tab 521 printed on the second dielectric substrate 2, an inverted "S" type bent radiation tab 522 and a ground tab 523 printed on the second dielectric substrate 2; the L-shaped coupling feed tab 521 is formed by splicing two rectangular metal patches with the dimensions of 4.1mm × 1.0mm and 2.5mm × 1.2mm, the lower parts of the metal patches are connected with the feed line 7 on the upper surface of the dielectric substrate, and the inverted S-shaped bent radiation tab 522 is fed in a coupling feed manner; the inverted S-shaped bent radiating fin 522 is formed by splicing five rectangular metal patches with the sizes of 4.5mm multiplied by 1.2mm, 1.65mm multiplied by 0.5mm, 8.8mm multiplied by 0.65mm, 1.6mm multiplied by 0.95mm and 4.3mm multiplied by 0.65mm, the tail end of the inverted S-shaped bent radiating fin extends to the right angle of the L-shaped coupling feed sheet 521 along the direction horizontal to the medium substrate, and the starting end of the inverted S-shaped bent radiating fin is connected with the metal floor 3 positioned on the lower surface of the first medium substrate 1 through a grounding sheet 523 printed on the second medium substrate 2; the grounding plate 523 is a rectangular metal patch with a size of 1.0mm × 0.8mm. The antenna unit has compact structure and smaller size, and is also suitable for the design of mobile terminal antennas.
Referring to fig. 5, 4 h-shaped slits 32 are provided in the structural view of the metal floor, and are respectively arranged between the circular holes 31 on both sides of the long side of the metal floor 3, and a circular hole 31 is provided between two h-shaped slits 32 on the same side.
As shown in fig. 6, it is a structural diagram of a second decoupling unit, i.e. an i-shaped slot 32, which is formed by splicing a horizontal rectangular slot 321 with a size of 20mm × 0.8mm and two vertical rectangular slots 322 with a size of 4.5mm × 0.6 mm; the I-shaped gap 32 is etched on the metal floor 3, so that floor surface wave coupling between adjacent feed ports can be effectively inhibited, and induced electromagnetic energy is bound around the gap structure, thereby ensuring that the ports between adjacent units are independent.
The sizes of the various structures related to this embodiment are all an implementation manner, and such a size structure is not necessarily adopted in an actual implementation process, and a person skilled in the art may set corresponding sizes in the face of different terminal sizes and different signal strength requirements, which is not described herein again.
The present embodiment further provides a terminal, which includes a terminal body and the terminal antenna in the foregoing embodiments, where the terminal body includes at least a first dielectric substrate, a second dielectric substrate, a feeding point, and a floor.
It will be apparent to those skilled in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, may be implemented in computer program code executable by a computing device, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit.
In addition, communication media typically embodies computer readable instructions, data structures, computer program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to one of ordinary skill in the art. Thus, the present invention is not limited to any specific combination of hardware and software.
The foregoing is a more detailed description of embodiments of the present invention, and the present invention is not to be considered limited to such descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (7)
1. A terminal antenna comprises N antenna groups, wherein the N antenna groups are used for forming an MIMO antenna, each antenna group comprises at least two different antennas, each antenna group is symmetrically arranged on two second medium substrates of a terminal, and the two second medium substrates are respectively arranged on two opposite side edges of a first medium substrate and are perpendicular to the first medium substrate; each antenna group is axisymmetrical based on a central axis of the first medium substrate in the horizontal and vertical directions; in each antenna group, a decoupling unit is arranged between antennas arranged on the same second dielectric substrate; one end of the antenna is connected with the feed point, and the other end of the antenna is connected with a floor arranged at the bottom of the first dielectric substrate of the terminal;
at least two antennas in the antenna group comprise a coupling feed unit and a radiation unit, and the coupling feed unit feeds power to the radiation unit in a coupling mode;
each antenna group comprises a first antenna unit and a second antenna unit, wherein the first antenna unit consists of a C-shaped coupling feed sheet printed on the second dielectric substrate, an inverted S-shaped bent radiation sheet printed on the second dielectric substrate and a grounding sheet; the second antenna unit consists of an L-shaped coupling feed sheet printed on the second dielectric substrate, an inverted-S-shaped bent radiation sheet printed on the second dielectric substrate and a grounding sheet;
the decoupling unit comprises a first decoupling unit and a second decoupling unit, the first decoupling unit is arranged between the antenna groups, and the second decoupling unit is arranged between the antennas in the antenna groups.
2. The terminal antenna of claim 1, wherein the first decoupling element comprises a neutralization wire and a ground patch, the neutralization wire being electrically connected to the ground patch, the ground patch being connected to a ground plane located on a bottom of the first dielectric substrate of the terminal.
3. The terminal antenna of claim 2, wherein the neutralization line is disposed on the second dielectric substrate and between two antenna groups; the grounding piece is connected to the middle part of the neutral wire, extends towards the floor along the second dielectric substrate and is connected with the floor.
4. The terminal antenna according to claim 1, wherein the second decoupling unit comprises a hollow-out groove disposed on the floor, the hollow-out groove is located between the two antennas, and the hollow-out groove is i-shaped.
5. The terminal antenna of claim 1, wherein the coupling feed element and the radiating element are both printed on the second dielectric substrate.
6. The terminal antenna according to claim 1, wherein the radiating element comprises a folded radiating patch folded at least into an opening formed in each of the C-type coupling feed patch and the L-type coupling feed patch.
7. A terminal, characterized in that the terminal comprises a terminal body and a terminal antenna according to any of claims 1-6, the terminal body comprising at least the first dielectric substrate, the second dielectric substrate, a feeding point and a floor.
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CN201910087622.5A CN111490360B (en) | 2019-01-29 | 2019-01-29 | Terminal antenna and terminal |
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CN112635983B (en) * | 2020-12-11 | 2022-03-29 | 西安电子科技大学 | Dual-band eight-port MIMO terminal antenna based on radiator multiplexing technology |
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TWI550954B (en) * | 2014-12-26 | 2016-09-21 | 瑞昱半導體股份有限公司 | Antenna with isolation enhanced and method thereof |
US9666946B1 (en) * | 2015-11-12 | 2017-05-30 | King Fahd University Of Petroleum And Minerals | Four element reconfigurable MIMO antenna system |
CN205231244U (en) * | 2015-12-22 | 2016-05-11 | 南京信息工程大学 | Three frequencies of compact high isolation , eight unit MIMO cell -phone antennas |
CN106169653B (en) * | 2016-08-22 | 2021-05-14 | 南京信息工程大学 | Hand-held terminal 8 antenna MIMO system |
CN205960212U (en) * | 2016-08-22 | 2017-02-15 | 南京信息工程大学 | Many antennas MIMO system based on resonance loop structure of decoupling |
CN106785370A (en) * | 2016-12-29 | 2017-05-31 | 重庆邮电大学 | A kind of mimo antenna of the high-isolation for mobile terminal |
CN108429005B (en) * | 2018-01-31 | 2020-11-24 | 西安电子科技大学 | High-isolation planar 10-antenna MIMO system and 5G mobile terminal |
CN208157622U (en) * | 2018-04-08 | 2018-11-27 | 深圳市信维通信股份有限公司 | A kind of 5G mimo antenna structure |
CN108565544B (en) * | 2018-04-20 | 2023-10-17 | 深圳市信维通信股份有限公司 | Ultra-wideband 5G MIMO antenna structure |
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CN108649330A (en) * | 2018-03-21 | 2018-10-12 | 杭州电子科技大学 | A kind of eight unit mimo antennas suitable for 5G mobile terminals |
CN108767442A (en) * | 2018-05-30 | 2018-11-06 | 杭州电子科技大学 | A kind of MIMO terminal antennas of the wide-band high isolation of no decoupling arrangements |
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