CN112448174B - Antenna system and terminal device - Google Patents
Antenna system and terminal device Download PDFInfo
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- CN112448174B CN112448174B CN201910832510.8A CN201910832510A CN112448174B CN 112448174 B CN112448174 B CN 112448174B CN 201910832510 A CN201910832510 A CN 201910832510A CN 112448174 B CN112448174 B CN 112448174B
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
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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
-
- 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
-
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
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- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The application provides an antenna system and a terminal device, a multi-antenna feed module, comprising: the multi-antenna feed module comprises a circuit board, millimeter wave antenna radiation arrays and main antenna feed units, wherein the millimeter wave antenna radiation arrays and the main antenna feed units are distributed on the circuit board in an array mode, and the antenna radiation arrays and the main antenna feed units are distributed at intervals; and the millimeter wave antenna radiating array forms coupling current on the coupling radiator, and the coupling radiator is used for radiating electromagnetic waves of the main antenna and electromagnetic waves of the coupling current. The millimeter wave antenna radiating array and the main antenna feed unit are arranged on the same circuit board, so that the situation that the whole appearance of the terminal is influenced by slotting on the terminal shell is avoided, and the diversity of the appearance structure of the terminal is increased; the millimeter wave antenna radiating array forms coupling current on the coupling radiator, and electromagnetic waves radiated by the coupling current and electromagnetic waves radiated by the main antenna are overlapped in an omnidirectional space.
Description
Technical Field
The present invention relates to the field of antennas, and in particular, to an antenna system and a terminal device.
Background
With the development of mobile communication technology, mobile phones, PAD, notebook computers and the like are becoming indispensable electronic products in life, and the electronic products are updated to electronic communication products with increased antenna systems to enable the electronic communication products to have communication functions, and 5G is used as a focus of research and development in the global industry, and three main application scenes are provided; enhanced mobile broadband, large-scale machine communication.
In the existing antenna design scheme, millimeter waves are added in the hollowed area in a mode of hollowing out the millimeter wave and the millimeter wave antennas, the millimeter wave and the millimeter wave are arranged on the side wall around the terminal shell, and grooves are formed in the periphery of the terminal shell so as to limit the antenna system and the appearance of the terminal shell greatly.
Disclosure of Invention
In one aspect, an embodiment of the present invention provides an antenna system, including: the multi-antenna feed module comprises a circuit board, millimeter wave antenna radiation arrays and main antenna feed units, wherein the millimeter wave antenna radiation arrays and the main antenna feed units are distributed on the circuit board in an array mode, and the antenna radiation arrays and the main antenna feed units are distributed at intervals; and the millimeter wave antenna radiating array forms coupling current on the coupling radiator, and the coupling radiator is used for radiating electromagnetic waves of the main antenna and electromagnetic waves of the coupling current.
According to one aspect of an embodiment of the present utility model, the circuit board has a first surface, a second surface opposite to the first surface, and a plurality of sides connecting the first surface and the second surface; any one millimeter wave antenna radiation array comprises a plurality of millimeter wave antenna radiation units, wherein the millimeter wave antenna radiation units are distributed on the first surface at intervals along the first direction to form a one-dimensional linear array, or the millimeter wave antenna radiation units are distributed on the first surface to form a two-dimensional array.
According to one aspect of the embodiment of the present utility model, the main antenna feed units are distributed on the circumference of the antenna radiating array on the first surface in a zigzag manner; or the main antenna feed element is partially distributed on the first surface, and the rest parts except the parts of the main antenna feed element are distributed on one or more side surfaces and/or the second surface.
According to an aspect of the embodiment of the present utility model, a distance between any two adjacent millimeter wave antenna radiating elements in any one of the millimeter wave antenna radiating elements is λ/2, where λ is a wavelength of millimeter waves.
According to one aspect of the embodiment of the utility model, the circuit board is a ceramic circuit board, an alumina ceramic circuit board, an aluminum nitride ceramic circuit board, a circuit board and a printed circuit board.
According to an aspect of the embodiment of the present utility model, the millimeter wave antenna radiating unit is a millimeter wave antenna patch, and the shape of the millimeter wave antenna patch is any one or more of a circle, a rectangle and a polygon; the main antenna feed unit is a main antenna feed patch, and the shape of the main antenna feed patch is any one or more of a circle, a rectangle and a polygon.
In addition, the embodiment of the invention provides a terminal device, which comprises: a terminal circuit board; the antenna system is any one of the above antenna systems, the antenna radiating element is in communication connection with the terminal circuit board through a millimeter wave feed link, and the main antenna feed unit is in communication connection with the terminal circuit board through a main antenna feed link.
According to another aspect of the embodiment of the present utility model, the coupling radiator includes a ground member and a coupling radiation member connected to each other, the coupling radiation member extends along an outer circumference of the terminal circuit board, and the multi-antenna feed module is disposed between the coupling radiator and the terminal circuit board.
According to another aspect of the embodiment of the present utility model, one end of the grounding member is electrically connected to the terminal circuit board, and the other end is connected to an end of the coupling radiation member; or one end of the grounding component is connected with the coupling radiation component, and the other end of the grounding component is connected with the main antenna feed unit.
According to another aspect of the embodiment of the present utility model, the coupling radiating member includes a first coupling radiating member and a second coupling radiating member connected to each other, one end of the grounding member is electrically connected to the terminal circuit board, the other end of the grounding member is connected to one end of the first coupling radiating member, the other end of the first coupling radiating member is connected to the second coupling radiating member, and the second coupling radiating member extends along an outer circumference of the terminal circuit board.
The embodiment of the application provides an antenna system, which comprises a multi-antenna feed module and a coupling radiation module, wherein a millimeter wave antenna radiation array and a main antenna feed unit are arranged on a circuit board together, so that the space of a mobile terminal is saved, and the situation that a slot is formed in a main antenna at the bottom of a terminal shell to influence the appearance of the terminal shell is avoided; the millimeter wave antenna radiating array forms coupling current on the coupling radiator, and the main antenna feed unit forms coupling current on the coupling radiator, so that the coupling radiator can radiate main antenna electromagnetic waves and coupling current electromagnetic waves, the coupling current electromagnetic waves and millimeter electromagnetic waves are overlapped in an omnidirectional space, and the radiation performance of millimeter waves can be improved; millimeter wave antenna radiating arrays are arranged on the circuit board in an array mode, and the radiating direction of millimeter electromagnetic waves is changed by adjusting and controlling the array arrangement mode of the millimeter wave antenna radiating arrays on the circuit board.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings that are needed to be used in the embodiments of the present invention will be briefly described, and it is possible for a person skilled in the art to obtain other drawings according to these drawings without inventive effort.
Fig. 1 is a schematic diagram of a first implementation of an antenna system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a second implementation of an antenna system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a third implementation of an antenna system according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a fourth implementation of an antenna system according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a fifth implementation of an antenna system according to an embodiment of the present invention;
Fig. 6 is a diagram of a first simulation effect of an antenna system according to an embodiment of the present invention;
Fig. 7 is a diagram of a second simulation effect of the antenna system according to the embodiment of the present invention.
Reference numerals: 1-an antenna system; 11-a multi-antenna feed module; 111-a circuit board; 112-millimeter wave antenna radiating array; 113-a main antenna feed unit; a 12-millimeter wave feed link; 13-a main antenna feed link; 14-coupling a radiator; 141-a ground member; 142-coupling a radiating element; 1421-a first coupling radiating member; 1422-a second coupled radiating member; 2-terminal circuit board.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and the detailed embodiments. It should be understood that the specific embodiments described herein are merely configured to illustrate the invention and are not configured to limit the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
In order to solve the problems in the prior art, the present invention provides a terminal device, including: an antenna system 1 and a terminal circuit board 2, the antenna system 1 comprising a multi-antenna feed module 11 and a coupling radiator 14, the multi-antenna feed module 11 comprising a circuit board 111; the multi-antenna feed module 11 further comprises millimeter wave antenna radiation arrays 112 arranged on the circuit board 111, the millimeter wave antenna radiation arrays 112 are distributed on the circuit board 111 in an array mode, the radiation direction of millimeter electromagnetic waves is changed by adjusting and controlling the array arrangement mode of the millimeter wave antenna radiation arrays 112 on the circuit board 111, the multi-antenna feed module 11 further comprises a main antenna feed unit 113 arranged on the circuit board 111, the millimeter wave antenna radiation arrays 112 and the main antenna feed unit 113 are distributed at intervals, the millimeter wave antenna radiation arrays 112 and the main antenna feed unit 113 are arranged on the circuit board 111 together, the space of the mobile terminal is saved, and the situation that grooves are formed in the main antenna at the bottom of the terminal shell to influence the appearance of the terminal shell is avoided; the multi-antenna feed module 11 further includes a coupling radiator 14, the millimeter wave antenna radiating element 112 forms coupling current on the coupling radiator 14, the coupling radiator 14 is used for radiating electromagnetic waves of the main antenna and coupling current, and the coupling current electromagnetic waves and millimeter electromagnetic waves are overlapped in an omnidirectional space, so that the radiation performance of millimeter waves can be improved. The millimeter wave antenna radiating array 112 is in communication connection with the terminal circuit board 2 through the millimeter wave feed link 12, and the main antenna feed unit 113 is in communication connection with the terminal circuit board 2 through the main antenna feed link 13, so that the millimeter wave antenna and the main antenna are ensured to respectively transmit signals with the terminal substrate.
Specifically, the terminal circuit board 2 is mounted inside a housing of the terminal device, and the material of the terminal circuit board 2 is a ceramic circuit board, an aluminum nitride circuit board, a PCB board, an aluminum substrate, a high-frequency board, a thick copper plate, an impedance board, a printed circuit board, or the like, and optionally, the terminal circuit board 2 is a highly reliable and flexible circuit board 111 made of polyimide or mylar as a base material.
In some alternative embodiments, the coupling radiator 14 includes a ground member 141 and a coupling radiating member 142 connected, the coupling radiating member 142 extending along the outer circumference of the terminal circuit board 2, and the multi-antenna feed module 11 is disposed between the coupling radiator 14 and the terminal circuit board 2.
Specifically, the coupling radiator 14 includes a ground member 141 and a coupling radiation member 142, one end of the ground member is connected to the terminal circuit board 2, and optionally, the ground member 141 is connected to the peripheral edge position of the terminal circuit board 2, the other end of the ground member 141 is connected to one end of the coupling radiation member 142, the coupling radiation member 142 extends along the outer periphery of the terminal circuit board 2, and the multi-antenna feed module 11 is disposed between the coupling radiator 14 and the terminal circuit board 2.
In some alternative embodiments, as shown in fig. 5, one end of the ground member 141 is electrically connected to the terminal circuit board 2, and the other end is connected to an end of the coupling radiation member 142; or one end of the ground member 141 is connected to the coupling radiation member 142 and the other end is connected to the main antenna feed unit 113. The coupling radiation member 142 includes a first coupling radiation member 1421 and a second coupling radiation member 1422 connected to each other, one end of the ground member 141 is electrically connected to the terminal circuit board 2, the other end of the ground member 141 is connected to one end of the first coupling radiation member 1421, the other end of the first coupling radiation member 1421 is connected to the second coupling radiation member 1422, and the second coupling radiation member 1422 extends along the outer circumference of the terminal circuit board 2. The millimeter wave antenna radiating element 112 forms coupling current on the coupling radiator 14, the main antenna feed unit 113 forms coupling current on the second coupling radiating component 1422, the second coupling radiating component 1422 is used for radiating coupling current electromagnetic waves and main antenna electromagnetic waves, the coupling current electromagnetic waves and millimeter electromagnetic waves are overlapped in an omnidirectional space, and electromagnetic waves radiated by secondary current formed on the coupling radiator 14 by the millimeter wave antenna radiating element 112 can be reused, so that the radiation performance of millimeter waves is further improved.
Specifically, the terminal circuit board 2 includes a first plane, a second plane, and a side surface connecting the first plane and the second plane, and optionally, the first plane and the second plane are rectangular, and each of the first plane and the second plane has four sides, and each side of the first plane corresponds to one side of the second plane and is connected through one side surface. One end of the grounding component 141 is connected with the edge position of the first plane near any one side surface, or one end of the grounding component 141 is connected with the edge position of the second plane near any one side surface, the other end of the grounding component 141 is connected with the coupling radiation component 142, the coupling radiation component 142 extends along the side surface parallel to the nearest side surface, the length of the extension of the coupling radiation component 142 is less than or equal to the side surface parallel to the side surface, the multi-antenna feed module 11 can be connected with the edge position of the first plane or any peripheral side of the second plane of the terminal circuit board 2, and optionally, the multi-antenna feed module 11 is arranged between the coupling radiation body 14 and the terminal circuit board 2, so that the space inside the mobile phone is effectively utilized, and the utilization rate of the space inside the mobile phone is improved.
In some alternative embodiments, one end of the grounding part 141 is connected to the terminal circuit board 2, and the other end is connected to an end of the coupling radiation part 142; or one end of the ground member 141 is connected to the coupling radiation member 142 and the other end is connected to the main antenna feed unit 113. The coupling radiation member 142 extends along an arbitrary circumferential side of the terminal substrate, and one end of the ground member 141 may be connected to an arbitrary position of the coupling radiation member 142, not limited to being connected to an end of the coupling radiation member 142. The millimeter wave antenna radiating array 112 forms coupling current on the coupling radiator 14, the main antenna feed unit 113 forms coupling current on the coupling radiator 14, the coupling radiator 14 is used for radiating coupling current electromagnetic waves and main antenna electromagnetic waves, the coupling current electromagnetic waves and millimeter electromagnetic waves are overlapped in an omnidirectional space, and electromagnetic waves radiated by secondary current formed on the coupling radiator 14 by the millimeter wave antenna radiating array 112 can be reused, so that the radiation performance of millimeter waves is further improved.
In some alternative embodiments, the coupling radiation member 142 includes a first coupling radiation member 1421 and a second coupling radiation member 1422 connected to each other, one end of the ground member 141 is electrically connected to the terminal circuit board 2, the other end of the ground member 141 is connected to one end of the first coupling radiation member 1421, the other end of the first coupling radiation member 1421 is connected to the second coupling radiation member 1422, and the second coupling radiation member 1422 extends along the outer circumference of the terminal circuit board 2.
Specifically, one end of the grounding component 141 is connected to the edge position of the first plane near any one side, or one end of the grounding component 141 is connected to the edge position of the second plane near any one side, the other end of the grounding component 141 is connected to the second coupling radiation component 1422, the second coupling radiation component 1422 extends along a side parallel to the closest side, the length of the second coupling radiation component 1422 extending is less than or equal to the side parallel to the second coupling radiation component 1422, and the multi-antenna feed module 11 can be connected to the edge position of any peripheral side of the first plane or the second plane of the terminal circuit board 2, optionally, the multi-antenna feed module 11 is arranged between the second coupling radiation component 1422 and the terminal circuit board 2, so that the space inside the mobile phone is effectively utilized, and the utilization rate of the space inside the mobile phone is improved.
Further, the coupling radiator 14 may also be integrally formed, the coupling radiator 14 may be in a fold line extension, may be in a curve extension, may be in a plurality of modes such as a straight line extension, and any one end of the coupling radiator 14 is connected to the terminal circuit board 2 for grounding with the terminal circuit board 2, and the coupling radiator 14 may extend in any direction, alternatively, the coupling radiator 14 extends along any peripheral side of the terminal circuit board 2, thereby improving the space utilization rate of the mobile phone, effectively utilizing the space inside the mobile phone, and improving the utilization rate of the space inside the mobile phone.
In some alternative embodiments, the circuit board 111 has opposing first and second surfaces and sides connecting the first and second surfaces; any one millimeter wave antenna radiating element 112 comprises a plurality of millimeter wave antenna radiating elements, wherein the plurality of millimeter wave antenna radiating elements are distributed on the first surface at intervals along the first direction to form a one-dimensional linear array, or the plurality of millimeter wave antenna radiating elements are distributed on the first surface to form a two-dimensional array.
Specifically, the circuit board 111 includes a first plane, a second plane, and a side surface connecting the first plane and the second plane, where the first plane and the second plane may be any shape, alternatively, the first plane and the second plane are rectangular, and each of the first plane and the second plane has four sides, and each side of the first plane corresponds to one side of the second plane and is connected through one side surface. As shown in fig. 1 and 2, the circuit board 111 is disposed between the terminal circuit board 2 and the coupling radiator 14, the first plane and the second plane of the circuit board 111 are respectively parallel to the first plane and the second plane of the terminal circuit board 2, a plurality of sides of the circuit board 111 are perpendicular to the first plane and the second plane of the terminal circuit board 2, the circuit board 2 has one side facing the terminal circuit board 2 and having the first plane and the second plane perpendicular to the terminal circuit board 2, the circuit board 111 has one side facing away from the terminal circuit board 2 and having the first plane and the second plane perpendicular to the terminal circuit board 2, the circuit board 111 has two opposite sides perpendicular to the coupling radiator 14 and the terminal circuit board 2, at least one millimeter wave antenna radiating element 112 is disposed on the first surface and the second surface of the circuit board 111, any one millimeter wave antenna radiating element 112 includes a plurality of antenna radiating elements, and a distance between any adjacent two millimeter wave antenna radiating elements is λ/2, λ is a wavelength of millimeter wave. The plurality of millimeter wave antenna radiating arrays 112 are distributed in the first plane or the second plane in an array, and the distance between any two adjacent millimeter wave antenna radiating arrays 112 is lambda/2, lambda being the wavelength of millimeter waves.
Specifically, the electromagnetic waves radiated by the plurality of millimeter wave antenna radiating elements 112 generate vector superposition in the air, and the superposition result is related to the amplitude of each row of electromagnetic waves, and the phase difference between the electromagnetic waves in the meeting interval, wherein the phase composition of the electromagnetic waves comprises three parts: temporal phase, spatial phase, initial phase. When the transmitting antenna and the working frequency are determined, the initial phase is determined, and at the moment when the electromagnetic waves meet a plurality of columns, the time phase is also determined, only the space phase is possibly changed, the positions of all the unit antennas forming the antenna array are different, the space paths taken by the electromagnetic waves emitted by the unit antennas are different when the electromagnetic waves are transmitted to the same receiving area, and thus, the space phase values are different. The difference of the spatial phases caused by the fact that electromagnetic waves sent by the transmitting antennas at different positions are transmitted to the same receiving area can cause the fact that the electromagnetic waves in several columns form in-phase superposition at the meeting area, the total field intensity is enhanced, the opposite phases are superposed, and the total field intensity is weakened. The areas of increased and decreased total field strength remain spatially fixed, which corresponds to the antenna array changing the radiation field structure of the individual antennas.
In some alternative embodiments, the circuit board 111 has opposing first and second surfaces and sides connecting the first and second surfaces; any one of the millimeter wave antenna radiating elements 112 includes a plurality of millimeter wave antenna radiating elements, where the plurality of millimeter wave antenna radiating elements are distributed on the first surface at intervals along the first direction to form a one-dimensional linear array, or the plurality of millimeter wave antenna radiating elements are distributed on the first surface to form a two-dimensional array.
Further, as shown in fig. 1, the millimeter wave antenna radiating array 112 is disposed on the first plane of the circuit board 111, and the millimeter wave antenna array may be a straight array, that is, the millimeter wave antenna radiating array 112 is disposed on the first surface along the first direction at intervals to form a one-dimensional straight array, and of course, the millimeter wave antenna array may also be disposed on the second plane and any side of the circuit board 111, where one millimeter wave antenna radiating array 112 includes a plurality of millimeter wave antenna radiating units, and axes of the plurality of millimeter wave antenna radiating units are disposed along the same straight line, and all millimeter wave antenna units on one side of the millimeter wave antenna radiating array 112 have energy radiation, for example, a half-wave dipole straight array. Optionally, the first surface and the second plane of the circuit board 111 are rectangular, the first surface has two centerlines, the first direction is a direction extending along any one of the centerlines, and of course, the first direction may also be any direction on the first surface, and the radiation direction of the millimeter wave antenna radiation array 112 in space is changed by adjusting and controlling the arrangement manner of the plurality of millimeter wave antenna radiation units. A part of the main antenna feed unit 113 is disposed on the peripheral side of the millimeter wave antenna radiating element 112, and the other part of the main antenna radiating unit other than the part is disposed on the side of the circuit board 111 facing the coupling radiator 14, the main antenna feed unit 113 being capable of forming a coupling current on the coupling radiator 14, the coupling current formed by the main antenna feed unit 113 radiating a main antenna electromagnetic wave on the coupling radiator 14. The millimeter wave antenna radiating element 112 can also form coupling current on the coupling radiator 14, the coupling current formed by the millimeter wave antenna radiating element 112 radiates electromagnetic waves on the coupling radiator 14, the electromagnetic waves radiated by the millimeter wave antenna radiating element 112 and the electromagnetic waves radiated by the coupling current are overlapped in omnidirectional space, and the directions of the electromagnetic waves radiated by the coupling current and the electromagnetic waves radiated by the millimeter wave antenna radiating element 112 are overlapped in a favorable direction by changing the arrangement mode of the millimeter wave antenna radiating element 112 on the circuit board 111 so as to further change the directions of the electromagnetic waves radiated by the millimeter wave antenna radiating element 112.
In some alternative embodiments, as shown in fig. 2, the millimeter wave antenna array is disposed on a first plane or a second plane of the circuit board 111 parallel to the terminal circuit board 2, the millimeter wave antenna radiating array includes N columns of millimeter wave antenna radiating arrays 112 disposed along a third direction, the third direction is a direction extending along the coupling radiator 14, each column of millimeter wave antenna radiating arrays 112 includes a plurality of millimeter wave antenna radiating elements, a distance between two adjacent columns of millimeter wave antenna radiating arrays 112 is λ/2, λ is a wavelength of millimeter waves, N is greater than or equal to 2, and a distance between the millimeter wave antenna radiating elements between one millimeter wave antenna radiating array 112 is half a wavelength. That is, a plurality of the millimeter wave antenna radiating elements are distributed in a two-dimensional array on the first surface or the second plane. That is, the millimeter wave antenna radiating elements are arranged in the same direction in multiple columns, the main axis of the millimeter wave antenna radiating element 112 is perpendicular to the main axis of the millimeter wave antenna radiating element, and a vertical array can be formed, the multiple millimeter wave antenna radiating elements 112 can cover the radiated electromagnetic waves in an omnidirectional space, so that the terminal equipment can receive and transmit signals in any direction, the signal receiving and transmitting efficiency of the mobile terminal is improved, the phased array antenna has higher gain characteristics, the phased array antenna can be used for compensating the transmission loss caused by millimeter waves, and the phased array millimeter wave antenna provided by the embodiment of the invention can be applied to millimeter wave communication of the mobile terminal in a 5G mobile communication network, and can cover the omnidirectional space while compensating the transmission loss caused by millimeter waves.
In some alternative embodiments, the main antenna feed units 113 are distributed on the circumference of the antenna radiating element on the first surface in a zigzag shape; or the main antenna feed element 113 is partially distributed on the first surface, and the rest of the main antenna feed element 113 except for the part is distributed on one or more sides and/or the second surface. The distance between any two adjacent millimeter wave antenna radiating elements in any one millimeter wave antenna radiating element 112 is lambda/2, lambda being the wavelength of the millimeter wave.
Further, as shown in fig. 2, a part of the main antenna feeding unit 113 is provided on the peripheral side of the millimeter wave antenna radiating element 112, and the other part of the main antenna radiating unit except for the part is provided on the side of the circuit board 111 facing the coupling radiator 14, and the main antenna feeding unit 113 is capable of forming a coupling current at the coupling radiator 14, and the coupling current formed by the main antenna feeding unit 113 radiates the main antenna electromagnetic wave at the coupling radiator 14. The millimeter wave antenna radiating element 112 can also form coupling current at the coupling radiator 14, the coupling current formed by the millimeter wave antenna radiating element 112 radiates electromagnetic waves at the coupling radiator 14, the electromagnetic waves radiated by the millimeter wave antenna radiating element 112 and the electromagnetic waves radiated by the coupling current are overlapped in omnidirectional space, and the electromagnetic waves radiated by the coupling current and the electromagnetic waves radiated by the millimeter wave antenna radiating element 112 are overlapped in a favorable direction by changing the arrangement mode of the millimeter wave antenna radiating element 112 on any surface of the circuit board 111, so as to change the direction of the electromagnetic waves radiated by the millimeter wave antenna radiating element 112.
As shown in fig. 3, the millimeter wave antenna radiating arrays 112 are located on the side surface of the circuit board 111 facing the coupling radiator 14, where the millimeter wave antenna radiating arrays 112 include 4 columns of millimeter wave antenna radiating arrays 112 disposed along a third direction, and of course, the millimeter wave antenna radiating arrays 112 may also include multiple columns of 2, 3 … … 7, 8 … …, and … …, and the third direction is a direction extending along the millimeter wave radiator, any column of millimeter wave antenna radiating arrays 112 includes multiple millimeter wave antenna radiating elements, the distance between two adjacent columns of millimeter wave antenna radiating arrays 112 is λ/2, λ is the wavelength of millimeter wave, N is greater than or equal to 2, and the multiple millimeter wave antenna radiating arrays 112 can cover the radiated electromagnetic wave in an omnidirectional space, so as to improve the signal receiving and transmitting efficiency of the mobile terminal. A part of the main antenna feed unit 113 is disposed on the peripheral side of the millimeter wave antenna radiating element 112, and the other part of the main antenna feed unit 113 except for the part is disposed on the first plane or the second plane of the circuit board 111.
Further, when the terminal housing is made of metal, the coupling radiation member 142 may be any sidewall of the terminal housing along the circumferential direction thereof, for example, a sidewall of the mobile phone housing, and when the material of the terminal housing is made of plastic, the coupling radiator 14 is disposed inside the mobile phone, and the coupling radiator 14 is made of metal.
As shown in fig. 3, the millimeter wave antenna radiating element 112 is located on the side of the circuit board 111 facing the coupling radiator 14, a part of the main antenna feeding unit 113 is provided on the peripheral side of the millimeter wave antenna radiating element, and the rest is provided on the side of the terminal circuit board 2 facing the coupling radiator 14, and the side of the coupling radiator 14 and the terminal circuit 111 board are perpendicular. As shown in fig. 6 and 7, it is known from electromagnetic simulation results that the entire antenna system 1 can achieve desired performance of each frequency band in a limited space, and in particular, millimeter electromagnetic waves and main antenna electromagnetic waves do not cause performance degradation due to coexistence of structures.
Further, the main antenna includes: decimeter wave antennas and centimeter wave antennas. As can be appreciated from the formula between wavelength and frequency, λ=c/f, λ is the wavelength, c is the electromagnetic wave sound velocity, f is the frequency, the wavelength can be calculated by the wave sound velocity and the wave frequency, the wavelength that the half-wave array radiating element can radiate is λ/2, in some alternative embodiments, the millimeter wave antenna radiating element is a millimeter wave antenna patch, and the shape of the millimeter wave antenna patch is any one or more of a circle, a rectangle, and a polygon; the main antenna feed unit 113 is a main antenna feed patch, and the main antenna feed patch has any one or more of a circular shape, a rectangular shape, and a polygonal shape. The direction of the radiation beam of the millimeter wave antenna radiation unit is adjusted by adjusting the shape, the size and the arrangement mode of the millimeter wave antenna radiation unit.
As shown in fig. 4, the coupling radiator 14 includes: the antenna comprises a grounding component 141 and a coupling radiation component 142, wherein the coupling radiation component 142 extends along any side wall of a terminal circuit board, the multi-antenna feed module 11 is arranged between the coupling radiation component 142 and the terminal circuit board 2, the millimeter wave antenna radiation array 112 is positioned on a first plane or a second plane of the circuit board 111, one end of the grounding component 141 is connected with the coupling radiation component 142, the other end is connected with the main antenna feed unit 113, and the electromagnetic wave radiated by coupling current and the electromagnetic wave radiated by the millimeter wave antenna radiation array 112 are overlapped in a favorable direction by changing the arrangement mode of the millimeter wave antenna radiation array 112 on any surface of the circuit board 111 so as to change the direction of the electromagnetic wave radiated by the millimeter wave antenna radiation array 112.
In some alternative embodiments, circuit board 111 is a ceramic circuit board, an alumina ceramic circuit board, an aluminum nitride ceramic circuit board, a wiring board, and a printed circuit board.
In the foregoing, only the specific embodiments of the present invention are described, and it will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the systems, modules and units described above may refer to the corresponding processes in the foregoing method embodiments, which are not repeated herein. It should be understood that the scope of the present invention is not limited thereto, and any equivalent modifications or substitutions can be easily made by those skilled in the art within the technical scope of the present invention, and they should be included in the scope of the present invention.
Claims (9)
1. An antenna system, comprising:
The multi-antenna feed module comprises a circuit board, millimeter wave antenna radiation arrays and main antenna feed units, wherein the millimeter wave antenna radiation arrays and the main antenna feed units are distributed on the circuit board in an array mode, and the antenna radiation arrays and the main antenna feed units are distributed at intervals;
The millimeter wave antenna radiation array forms coupling current on the coupling radiator, and the coupling radiator is used for radiating electromagnetic waves of the main antenna and electromagnetic waves of the coupling current;
The circuit board is provided with opposite first surfaces, any one millimeter wave antenna radiating element comprises a plurality of millimeter wave antenna radiating units, and the millimeter wave antenna radiating units are distributed on the first surfaces at intervals along a first direction;
The main antenna feed units are distributed on the periphery of the millimeter wave antenna radiating array on the first surface in a broken line mode.
2. The antenna system of claim 1, wherein the circuit board has a second surface and a plurality of sides connecting the first surface and the second surface;
The millimeter wave antenna radiating units are distributed on the first surface at intervals along the first direction to form a one-dimensional linear array, or the millimeter wave antenna radiating units are distributed on the first surface to form a two-dimensional array.
3. The antenna system according to claim 1, wherein a distance between any two adjacent millimeter wave antenna radiating elements in any one of the millimeter wave antenna radiating elements is λ/2, where λ is a wavelength of millimeter waves.
4. The antenna system of claim 1, wherein the circuit board is a ceramic circuit board, an alumina ceramic circuit board, an aluminum nitride ceramic circuit board, a wiring board, or a printed circuit board.
5. The antenna system of claim 1, wherein the millimeter wave antenna radiating element is a millimeter wave antenna patch, the millimeter wave antenna patch being any one or more of circular, rectangular, and polygonal in shape;
The main antenna feed unit is a main antenna feed patch, and the shape of the main antenna feed patch is any one or more of a circle, a rectangle and a polygon.
6. A terminal device, comprising:
A terminal circuit board;
An antenna system as claimed in any one of claims 1 to 5, wherein the antenna radiating element is communicatively connected to the terminal circuit board via a millimeter wave feed link, and the main antenna feed unit is communicatively connected to the terminal circuit board via a main antenna feed link.
7. The terminal device of claim 6, wherein the coupling radiator includes a ground member and a coupling radiating member connected thereto, the coupling radiating member extending along an outer periphery of the terminal circuit board, the multi-antenna feed module being disposed between the coupling radiator and the terminal circuit board.
8. The terminal device of claim 7, wherein the terminal device,
One end of the grounding component is connected with the terminal circuit board, and the other end of the grounding component is connected with the end part of the coupling radiation component; or alternatively
One end of the grounding component is connected with the coupling radiation component, and the other end of the grounding component is connected with the main antenna feed unit.
9. The terminal device according to claim 7, wherein the coupling radiation member includes a first coupling radiation member and a second coupling radiation member connected, one end of the ground member is electrically connected to the terminal circuit board, the other end of the ground member is connected to one end of the first coupling radiation member, the other end of the first coupling radiation member is connected to the second coupling radiation member, and the second coupling radiation member extends along an outer circumference of the terminal circuit board.
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| CN201910832510.8A CN112448174B (en) | 2019-09-04 | 2019-09-04 | Antenna system and terminal device |
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| CN201910832510.8A CN112448174B (en) | 2019-09-04 | 2019-09-04 | Antenna system and terminal device |
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| CN112448174B true CN112448174B (en) | 2024-05-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6317095B1 (en) * | 1998-09-30 | 2001-11-13 | Anritsu Corporation | Planar antenna and method for manufacturing the same |
| CN103594779A (en) * | 2013-11-22 | 2014-02-19 | 电子科技大学 | Substrate integrated antenna for millimeter wave frequency band and array antenna thereof |
| WO2015135153A1 (en) * | 2014-03-12 | 2015-09-17 | 华为技术有限公司 | Array antenna |
| CN108963443A (en) * | 2017-05-26 | 2018-12-07 | 惠州硕贝德无线科技股份有限公司 | A kind of antenna and encapsulating antenna structure |
| CN109950691A (en) * | 2018-12-28 | 2019-06-28 | 瑞声科技(新加坡)有限公司 | Millimeter wave array antenna and mobile terminal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080005812A (en) * | 2006-07-10 | 2008-01-15 | 삼성전자주식회사 | Inner antenna of dual radiating type for mobile communication terminal |
| US11329393B2 (en) * | 2016-12-07 | 2022-05-10 | Fujikura Ltd. | Antenna device |
| KR102387953B1 (en) * | 2017-11-28 | 2022-04-19 | 삼성전자주식회사 | An antenna and an electronic device comprising the antenna |
| US20190267710A1 (en) * | 2018-02-23 | 2019-08-29 | Qualcomm Incorporated | Dual-band millimeter-wave antenna system |
-
2019
- 2019-09-04 CN CN201910832510.8A patent/CN112448174B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6317095B1 (en) * | 1998-09-30 | 2001-11-13 | Anritsu Corporation | Planar antenna and method for manufacturing the same |
| CN103594779A (en) * | 2013-11-22 | 2014-02-19 | 电子科技大学 | Substrate integrated antenna for millimeter wave frequency band and array antenna thereof |
| WO2015135153A1 (en) * | 2014-03-12 | 2015-09-17 | 华为技术有限公司 | Array antenna |
| CN108963443A (en) * | 2017-05-26 | 2018-12-07 | 惠州硕贝德无线科技股份有限公司 | A kind of antenna and encapsulating antenna structure |
| CN109950691A (en) * | 2018-12-28 | 2019-06-28 | 瑞声科技(新加坡)有限公司 | Millimeter wave array antenna and mobile terminal |
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