CN111509405B - Antenna module and electronic equipment - Google Patents
Antenna module and electronic equipment Download PDFInfo
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- CN111509405B CN111509405B CN202010330802.4A CN202010330802A CN111509405B CN 111509405 B CN111509405 B CN 111509405B CN 202010330802 A CN202010330802 A CN 202010330802A CN 111509405 B CN111509405 B CN 111509405B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—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
Abstract
The invention provides an antenna module and electronic equipment, the antenna module includes the first antenna and feeds the point and the second antenna and feeds the point, the said antenna module also includes: the antenna array comprises N antenna elements, wherein N is a positive integer; each antenna element in the N antenna elements is respectively connected with the first antenna feed point and the second antenna feed point through the switch unit; and the control unit is connected with the switch unit and used for controlling the connection and disconnection of each antenna element and the first antenna feed point and controlling the connection and disconnection of each antenna element and the second antenna feed point. The embodiment of the invention can improve the performance of the antenna.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an antenna module and an electronic device.
Background
With the development and development of society, the requirement for data transmission rate is higher and higher, and a fifth generation mobile communication technology (5G for short) is in force, and 5G has faster speed, lower delay, larger network capacity and can connect more devices simultaneously compared with 4G.
The frequency range of the 5G New air interface (NR) may define different FRs: FR1 and FR2, the frequency range FR1 may be 5G Sub 6G band, and the frequency range FR2 may be 5G millimeter wave band. The frequency bands supported by 5G are more and more, the frequency range is wider and wider, the traditional single antenna design cannot meet the requirements of 5G on functions and performance, and the multi-antenna technology is introduced to be used on a large scale.
The NR Sub 6G antenna has a wide frequency band range, and currently, a design using Sub-antennas and Sub-bands is performed, and more antennas are required to support different frequency band combinations, so that in a limited layout space of electronic equipment, the isolation between antennas becomes smaller due to more antennas, and the interference between antennas is larger, thereby resulting in poor performance of the antennas.
Disclosure of Invention
The embodiment of the invention provides an antenna module and electronic equipment, and aims to solve the problems that in the prior art, the isolation degree among antennas becomes smaller due to more antennas, the interference among the antennas is larger, and the performance of the antennas is poorer.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides an antenna module applied to an electronic device, where the antenna module includes a first antenna feed point and a second antenna feed point, and the antenna module further includes:
The antenna array comprises N antenna elements, wherein N is a positive integer;
each antenna element in the N antenna elements is respectively connected with the first antenna feed point and the second antenna feed point through the switch unit;
and the control unit is connected with the switch unit and used for controlling the connection and disconnection of each antenna element and the first antenna feed point and controlling the connection and disconnection of each antenna element and the second antenna feed point.
In a second aspect, an embodiment of the present invention provides an electronic device, where the electronic device includes the antenna module according to the first aspect.
In an embodiment of the present invention, the antenna module includes a first antenna feed point and a second antenna feed point, and the antenna module further includes: the antenna array comprises N antenna elements, wherein N is a positive integer; each antenna element in the N antenna elements is respectively connected with the first antenna feed point and the second antenna feed point through the switch unit; and the control unit is connected with the switch unit and used for controlling the connection and disconnection of each antenna element and the first antenna feed point and controlling the connection and disconnection of each antenna element and the second antenna feed point. Like this, can realize the function of two at least antennas through an antenna module, can effectual reduction antenna quantity to reduce the interference between the antenna, improve the performance of antenna, and can increase the flexibility of antenna design.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an antenna module according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of an antenna module according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a smart antenna according to an embodiment of the present invention;
fig. 4 is a schematic diagram of dynamic narrow beam adaptive tracking according to an embodiment of the present invention;
fig. 5 is a schematic diagram of reflection coefficients of a single-band antenna according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the reflection coefficient of a multiband antenna according to an embodiment of the present invention;
FIG. 7 is a diagram illustrating an interference combining rejection reflection coefficient according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
In the embodiment of the present invention, the electronic device includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted mobile terminal, a wearable device, a pedometer, and the like.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an antenna module according to an embodiment of the present invention, where the antenna module is applied to an electronic device, the antenna module includes a first antenna feed point 1 and a second antenna feed point 2, and the antenna module further includes:
an antenna array 3, as shown in fig. 2, the antenna array 3 includes N antenna elements 31, where N is a positive integer;
each antenna element 31 of the N antenna elements 31 is connected to the first antenna feed point 1 and the second antenna feed point 2 through the switch unit 4;
and the control unit 5 is connected with the switch unit 4 and is used for controlling the connection and disconnection of each antenna element 31 and the first antenna feed point 1 and controlling the connection and disconnection of each antenna element 31 and the second antenna feed point 2.
The first antenna feed point 1 may be a first antenna feed point, the first antenna feed point 1 may be connected to a first feed line, and the first antenna feed point 1 and the antenna array 3 may form a first antenna. The second antenna feed point 2 may be a second antenna feed point, the second antenna feed point 2 may be connected to a second feed line, and the second antenna feed point 2 and the antenna array 3 may form a second antenna. The first antenna and the second antenna may share an antenna array. The antenna array 3 may be disposed on a flexible circuit board, the antenna array 3 may be an on-chip Si, a PCB, a ceramic substrate, a micro filter, or the like, and the material of the antenna array 3 may be selected by a common reference such as a frequency band supported by an antenna, a resonator Q factor, a spatial dimension, or the like. The antenna module can be of a planar structure, and under the condition that the space of the electronic equipment allows, the height of the antenna oscillator 31 can be increased, and the antenna module is made into a corresponding half-wave oscillator array by combining the supported frequency band information and material characteristics, so that the antenna performance is further improved. The value of N may be 4, or may be 8, or may be 16, etc. For example, the value of N is 16, and the 16 antenna elements 31 may be arranged in 4 rows and 4 columns, or may also be arranged in 2 rows and 8 columns, or may also be arranged in other shapes, and so on.
In addition, as shown in fig. 2, the switch unit 4 may include a first switch subunit 41 and a second switch subunit 42, each antenna element 31 is connected to the first antenna feed point 1 through the first switch subunit 41, each antenna element 31 is connected to the second antenna feed point 2 through the second switch subunit 42, and the control unit 5 is connected to the first switch subunit 41 and the second switch subunit 42, respectively; alternatively, the switch unit 4 may include N third switches, where the N third switches are connected to the N antenna elements 31 in a one-to-one correspondence, and each of the N third switches is connected to the first antenna feed point 1 and the second antenna feed point 2.
Further, the control unit 5 may control each antenna element 31 to be connected to or disconnected from the first antenna feed point 1, and control each antenna element 31 to be connected to or disconnected from the second antenna feed point 2, so that the antenna array 3 may be invoked by two radio frequency ports at the same time, and the main lobe of the antenna array may be directed to a desired direction by the control unit 5 through the coupling between the antenna elements. Thus, a directional narrow beam with high gain can be formed in space, and spatial filtering can be realized. By controlling the connection and disconnection between each antenna element 31 and the first antenna feed point 1 and controlling the connection and disconnection between each antenna element 31 and the second antenna feed point 2 by the control unit 5, various antennas can be designed and formed, for example, full-band (450 MHz-6 GHz) antennas, single-band or multi-band CA combined antennas, directional beam single-resonance antennas, omnidirectional radiation broadband antennas, and the like, and can be widely applied to the design of NR Sub 6G antennas.
In addition, the control unit 5 may be configured to control each antenna element 31 to be connected to and disconnected from the first antenna feed point 1, and control each antenna element 31 to be connected to and disconnected from the second antenna feed point 2, so that the antenna array forms a beam with a controllable direction. The electronic device may be pre-stored with a corresponding relationship between control information and a formed beam, and the control unit 5 may be configured to control the switch unit 4 according to the control information, so that the antenna array forms the beam corresponding to the control information. The correspondence of the control information to the formed beam can be obtained in advance through a large number of tests. As shown in fig. 2, taking 16 antenna elements arranged in 4 rows and 4 columns as an example, the switch unit 4 may include a first switch subunit 41 and a second switch subunit 42, for example, the control information may be "00001111", the first 4 bits "0000" may indicate that switches controlling the first switch subunit 41 are all turned off, and the last 4 bits "1111" may indicate that switches controlling the second switch subunit 42 are all turned on, so that the control unit 5 may control 16 antenna elements to be all turned on with the second antenna feed point 2 and all turned off with the first antenna feed point 1, so that the antenna array may form a beam corresponding to the control information.
It should be noted that the control unit 5 may include a digital coding module, the digital coding module may be connected to the processor, the digital coding module may output 0/1 control signals to the switch unit 4, and control a switch inside the switch unit 4 to be turned on and off, so as to control each antenna element 31 and the first antenna feed point 1 to be turned on and off, and control each antenna element 31 and the second antenna feed point 2 to be turned on and off. The combination of the antenna elements 31 obtained by a large number of tests by using a zero point forming technology enables the zero point of the antenna to be aligned with all interference directions, so that gain fading caused by the directivity of the antenna can be effectively reduced, and interference among frequency bands can be effectively avoided. The switch unit 4 can be controlled by the control unit 5, so that the plurality of antenna elements 31 are combined to generate reverse radiation lobe patterns in an unnecessary resonance frequency band, unnecessary resonance is counteracted, and the EMC problem can be effectively solved. In order to further improve the antenna performance, the control unit 5 can control and prevent the antenna element 31 from being communicated with the first antenna feed point 1 and the second antenna feed point 2 at the same time, so as to prevent mutual interference, and avoid abnormal signal receiving and transmitting and failure of modulation and demodulation.
In practical applications, the antenna module can be applied to a fifth generation mobile communication technology, namely 5G. In the development and construction process of the 5G, two networking modes can be adopted, namely independent (SA) networking and dependent-dependent (NSA) networking. In the networking process, a 5G radio access network, a 5G core network, a 4G (fourth generation mobile communication technology) radio access network and a 4G core network can be mixed and matched to form a plurality of network deployment options. At the initial stage of 5G networking, operators mostly adopt an EN-DC (4G +5G dual connectivity) scheme for cost and technology iteration, that is, a Long Term Evolution (LTE) frequency band and an NR frequency band can simultaneously work. In the case of 4G +5G dual connectivity, the NR band needs to support DL 4 × 4MIMO, and the LTE band supports at least DL 2 × 2 MIMO.
In 5G, a Sounding Reference Signal (SRS) function is added to a terminal hardware design, and the SRS is mainly used for acquiring uplink and downlink channel state information. SRS antenna switching in a 5G terminal system needs to be completed on the terminal hardware design, thus increasing the complexity of the terminal radio frequency front end system, and there are 3 SRS antenna switching methods that are currently well-defined for 5G NR: 1T2R, 2T4R, 1T 4R. Therefore, the main rf needs at least 4 antennas to satisfy the above functions without considering the performance of the antennas. In the embodiment of the invention, the antenna module is used for 5G, so that the number of antennas can be effectively reduced. The antenna module can be used for designing a 5G NR Sub 6G passive antenna.
Further, in practical application, antenna switching under different scenes is very complex, and in a 4G +5G dual-connection mode, an NR frequency band and an LTE frequency band adopt two different transceiving paths and antennas for transceiving respectively, and meanwhile, the two transmissions both have the requirement of switching antennas. At present, in the process of antenna switching, a plurality of paths can compete for the same antenna, and frequent switching of the antenna can be caused, and the communication quality can be influenced in severe cases. By adopting the antenna module in the embodiment of the invention, under a non-independent networking mode, when the NR frequency band and the LTE frequency band have antenna resource conflict, the 5G NR and the 4G LTE can share the antenna, so that the problem of communication quality deterioration caused by resource conflict in the switching process of the receiving and transmitting antennas of the NR and the LTE can be effectively avoided, and the communication quality is improved.
It should be noted that the antenna module in the embodiment of the present invention may form an intelligent antenna, and the intelligent antenna has an intelligent algorithm capable of determining spatial information of a signal and tracking and locating a signal source, and may perform spatial filtering according to the information. The intelligent antenna can increase communication capacity and speed, reduce electromagnetic interference, reduce the transmitting power of a mobile phone and a base station, and can also form a beam with controllable direction by adopting an antenna array to point and track a user at any time. The smart antenna acquires directivity through a fixed antenna element with a set of programmable electronic phase relationships and can simultaneously acquire the directional characteristics of each link between the base station and the mobile station. The intelligent antenna adopts a Space Division Multiplexing (SDMA) mode, reduces the influence of time delay diffusion, multipath fading and channel interference by using the difference of signals in the direction of a propagation path, distinguishes signals with the same frequency and the same time gap, combines with other multiplexing technologies, and utilizes frequency spectrum resources to the maximum extent.
In addition, the antenna array transmits the received signals to the processing system, and the processing system identifies the signals by using various algorithms and controls the antenna array to form a specific beam forming envelope so as to communicate with a base station or other terminals. As shown in fig. 3, the antenna array 3 in the smart antenna transmits the received signal to the analog-to-digital conversion module for processing, and transmits the processed signal to the beam forming network 6 for beam forming, and performs deviation operation on the generated signal y and the reference signal r to obtain a deviation signal e, where the deviation signal e reversely updates a parameter w in the beam forming network 6 through an adaptive algorithm, and the parameter w may include: w1, w2, …, wi. The intelligent antenna can realize beam tracking, can form high-gain narrow beams in the direction of the optimal path and track the change of the optimal path, and fully utilizes the effective transmitting power of signals to reduce the interference of electromagnetism on the signals. As shown in fig. 4, dynamic narrow beam adaptive tracking may be implemented.
In addition, the intelligent antenna can realize space division multiplexing, and can allocate the same code channels to users in different directions under the condition of good enough beamforming effect, so that the system capacity can be increased in multiples. The intelligent antenna can identify the arrival direction of the signal through an MUSIC algorithm, an ESPRIT algorithm, a maximum likelihood method and the like; the adaptive criteria of the smart antenna may include a maximum signal-to-noise ratio (SNR), a Minimum Mean Square Error (MMSE), a minimum variance, a maximum likelihood, and the like, and the adaptive algorithm such as a DMI (direct sampling covariance matrix inversion) algorithm, an LMS (minimum mean square) algorithm, an RLS (recursive least squares) algorithm, a CMA (constant modulus algorithm), and the like may be used to obtain an optimal weighting coefficient to implement adaptive beamforming.
The antenna module in the embodiment of the invention can control the combination of the antenna elements 31 at will, and can still keep the best coverage effect when the position, the angle or the direction of the electronic equipment is changed; the fading and multipath effects can be improved, and the signal transceiving capacity of the electronic equipment in a weak signal environment is improved; noise influence can be optimized, local interference sources can be resisted, the minimum working bandwidth of a user is ensured, and the disconnection probability is reduced; the signal quality reduction amplitude caused by shielding or distance increase can be reduced, and the performance of the electronic equipment is ensured not to be greatly faded; synchronous uplink and downlink gains can be provided, and network capacity and throughput rate are improved; the use of devices such as a double-pole double-throw switch and a filter on the mainboard can be reduced, and the cost is saved; link insertion loss can be reduced, hardware debugging is convenient, and power consumption is reduced remarkably; the anti-interference capability of the antenna can be enhanced, and the electromagnetic compatibility (EMC) of the whole machine is improved; limited channel resources can be utilized to the maximum extent under the space division multiple access technology; and the universality is better, and the compatibility and the portability are also better.
In the embodiment of the present invention, the antenna module includes a first antenna feed point 1 and a second antenna feed point 2, and the antenna module further includes: the antenna array 3, the antenna array 3 includes N antenna elements 31, where N is a positive integer; each antenna element 31 of the N antenna elements 31 is connected to the first antenna feed point 1 and the second antenna feed point 2 through the switch unit 4; and the control unit 5 is connected with the switch unit 4 and is used for controlling the connection and disconnection of each antenna element 31 and the first antenna feed point 1 and controlling the connection and disconnection of each antenna element 31 and the second antenna feed point 2. Like this, can realize the function of two at least antennas through an antenna module, can effectual reduction antenna quantity to reduce the interference between the antenna, improve the performance of antenna, and can increase the flexibility of antenna design.
Alternatively, as shown in fig. 2, the switch unit 4 includes:
a first switch subunit 41, where each antenna element 31 is connected to the first antenna feed point 1 through the first switch subunit 41;
a second switch subunit 42, where each antenna element 31 is connected to the second antenna feed point 2 through the second switch subunit 42;
wherein the control unit 5 is connected to the first switch subunit 41 and the second switch subunit 42, respectively.
The control unit 5 may control each antenna element 31 to be connected to and disconnected from the first antenna feed point 1 through the first switch subunit 41, and the control unit 5 may also control each antenna element 31 to be connected to and disconnected from the second antenna feed point 2 through the second switch subunit 42.
In practical applications, as shown in fig. 2, the point P may be the starting end of the antenna, and the point P may be connected to a Printed Circuit Board Assembly (PCBA) through a cable (cable) line. The two P points of the antenna module can respectively belong to the TRX end and the DRX end of the antenna. Each antenna element 31 may be individually controlled to form various combinations to produce various modes of resonance. For example, a single-band antenna may be implemented, the point P where the TRX end is located may be controlled to be communicated with only one of the antenna elements 31, as shown in fig. 5, a resonance in a specific frequency band may be formed, and the antenna element has a reflection coefficient with better performance, or the point P may be controlled to be communicated with a plurality of antenna elements 31, and a single resonance in an ideal frequency band may also be formed; as shown in fig. 6, the P point can be controlled to be communicated with the plurality of antenna elements 31 to realize triple resonance, and the antenna has a reflection coefficient with good performance, and can meet the scene requirements of combinations such as multi-CA and multi-EN-DC.
In addition, in some specific occasions, on the premise of identifying interference, each antenna can be tuned in a targeted manner, and a large number of combinations of the antenna elements 31 communicated with the point P where the TRX end is located and the antenna elements 31 communicated with the point P where the DRX end is located are obtained through debugging, so that the isolation between the antennas is good, and the mutual interference is reduced, as shown in fig. 7, the resonance interference formed by the two antennas is small. In practical applications, various corresponding antenna element 31 combinations may also be configured in various common scenarios according to SRS data of each antenna, for example, 1T4R, in combination with parameters such as SS-RSRP or CSI-RSRP.
In this embodiment, each antenna element 31 is connected to the first antenna feed point 1 through the first switch subunit 41, and each antenna element 31 is connected to the second antenna feed point 2 through the second switch subunit 42, which is convenient for designing radio frequency routing, and can reduce interference of signals in the antenna, and further improve performance of the antenna.
Optionally, as shown in fig. 2, the first switch subunit 41 includes N first switches, where the N first switches are connected to the N antenna elements 31 in a one-to-one correspondence, and the control unit 5 is configured to control on and off of each first switch in the N first switches;
And/or
The second switch subunit 42 includes N second switches, the N second switches are connected to the N antenna elements 31 in a one-to-one correspondence, and the control unit 5 is configured to control on and off of each of the N second switches.
The first switch may be a single-pole single-throw switch, or may also be a MOS transistor switch, or may also be a switch in another form. The second switch can be a single-pole single-throw switch, or can also be a MOS tube switch, or can also be a switch in other forms.
In this embodiment, the first switch subunit 41 includes N first switches, the N first switches are connected to the N antenna elements 31 in a one-to-one correspondence, and the control unit 5 is configured to control on and off of each first switch in the N first switches, so that the control unit 5 can control the N antenna elements 31 to form multiple independent or combined envelope forms through the N first switches, and the control is flexible; the second switch subunit 42 includes N second switches, N second switches one-to-one with N antenna elements 31 are connected, the control unit 5 is used for controlling the on and off of each second switch in N second switches, so that the control unit 5 can control N antenna elements 31 to form multiple independent or combined envelope forms through N second switches, and the control is flexible.
Optionally, at least one of the first switch and the second switch is a single pole single throw switch.
In this embodiment, at least one of the first switch and the second switch is a single-pole single-throw switch, which is fast to control and simple in circuit structure.
Optionally, the switch unit 4 includes N third switches, the N third switches are connected to the N antenna elements 31 in a one-to-one correspondence, and each third switch in the N third switches is connected to the first antenna feed point 1 and the second antenna feed point 2.
A first end of the third switch may be connected to the antenna element 31, a second end of the third switch may be connected to the first antenna feed point 1, a third end of the third switch may be connected to the second antenna feed point 2, and the control unit 5 may control the first end to communicate with the second end, or the control unit 5 may control the first end to communicate with the third end. The third switch may be a single pole double throw switch.
In this embodiment, the switch unit 4 includes N third switches, the N third switches are connected to the N antenna elements 31 in a one-to-one correspondence, and each of the N third switches is connected to the first antenna feed point 1 and the second antenna feed point 2, so that the control is fast and the circuit structure is simple.
Optionally, N has a value of 16, and the 16 antenna elements 31 are arranged in 4 rows and 4 columns.
As shown in fig. 2, the antenna elements 31 arranged in 4 rows and 4 columns may be aligned in each row and each column. The distance between each two antenna elements 31 may be equal, and in practical applications, taking an electronic device as a mobile phone as an example, the distance between each two antenna elements 31 may be set to be 5 mm.
In this embodiment, the value of N is 16, the 16 antenna elements 31 are arranged in 4 rows and 4 columns, the control unit 5 can form a large number of combined envelope forms by controlling the 16 antenna elements 31, the control is more flexible, and the arrangement of 4 rows and 4 columns facilitates the combination of 16 antenna elements 31 into various envelope forms.
The embodiment of the invention also provides electronic equipment, and the electronic equipment comprises the antenna module.
In an embodiment of the present invention, an electronic device includes an antenna module, where the antenna module includes a first antenna feed point 1 and a second antenna feed point 2, and the antenna module further includes: the antenna array 3, the antenna array 3 includes N antenna elements 31, where N is a positive integer; each antenna element 31 of the N antenna elements 31 is connected to the first antenna feed point 1 and the second antenna feed point 2 through the switch unit 4; and the control unit 5 is connected with the switch unit 4 and is used for controlling the connection and disconnection of each antenna element 31 and the first antenna feed point 1 and controlling the connection and disconnection of each antenna element 31 and the second antenna feed point 2. Like this, can realize the function of two at least antennas through an antenna module, can effectual reduction antenna quantity to reduce the interference between the antenna, improve the performance of antenna, and can increase the flexibility of antenna design.
Optionally, the number of the antenna modules is at least two, and the interval between the antenna arrays of every two antenna modules in the at least two antenna modules is greater than or equal to 100 mm.
In this embodiment, the number of the antenna modules is at least two, the interval between the antenna arrays of every two antenna modules in the at least two antenna modules is greater than or equal to 100mm, and the isolation between the antennas is large, so that the interference between the antennas is reduced, and the performance of the antennas is further improved.
Optionally, as shown in fig. 8, the number of the antenna modules is two, the electronic device further includes a battery 7, and the antenna arrays 3 of the two antenna modules are respectively located at two ends of the battery 7.
Taking an electronic device as an example of a mobile phone, a mobile phone supporting NR Sub 6G may be configured with an antenna array on the upper and lower sides of the back of the mobile phone, and the P points of the antenna array may be respectively used as a DRX end, a TRX end, and a PRX end of the antenna. One antenna array 3 may be located on the main board 8 and the other antenna array 3 may be located on the small board 9.
In this embodiment, the number of the antenna modules is two, the electronic device further includes a battery 7, and the antenna arrays 3 of the two antenna modules are respectively located at two ends of the battery 7, so that the isolation between the antennas can be increased, the interference between the antennas is reduced, and the performance of the antennas is further improved.
Optionally, the electronic device includes a flexible circuit board, a processor is disposed on the flexible circuit board, the antenna module is disposed on the flexible circuit board, and the processor is connected to the antenna module.
In this embodiment, the electronic device includes the flexible circuit board, be provided with the treater on the flexible circuit board, the antenna module sets up on the flexible circuit board, the treater with the antenna module is connected, can handle the signal of antenna element 31 through the treater to output signal to control unit 5, make control unit 5 control antenna element 31 form ideal beam-forming envelope, intelligent degree is higher.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides an antenna module, is applied to electronic equipment, its characterized in that, antenna module includes first antenna feed point and second antenna feed point, antenna module still includes:
The antenna array comprises N antenna elements, wherein N is a positive integer;
each antenna element in the N antenna elements is respectively connected with the first antenna feed point and the second antenna feed point through the switch unit;
the control unit is connected with the switch unit and is used for controlling the connection and disconnection of each antenna element and the first antenna feed point and controlling the connection and disconnection of each antenna element and the second antenna feed point;
the switching unit includes:
each antenna element is connected with the first antenna feed point through the first switch subunit;
each antenna element is connected with the second antenna feed point through the second switch subunit;
wherein the control unit is connected with the first switch subunit and the second switch subunit respectively.
2. The antenna module of claim 1, wherein the first switch subunit includes N first switches, the N first switches are connected to the N antenna elements in a one-to-one correspondence, and the control unit is configured to control on and off of each of the N first switches;
And/or
The second switch subunit comprises N second switches, the N second switches are connected with the N antenna oscillators in a one-to-one correspondence mode, and the control unit is used for controlling the connection and disconnection of each second switch in the N second switches.
3. The antenna module of claim 2, wherein at least one of the first switch and the second switch is a single pole, single throw switch.
4. The antenna module of claim 1, wherein the switch unit comprises N third switches, the N third switches are connected to the N antenna elements in a one-to-one correspondence, and each of the N third switches is connected to the first antenna feed point and the second antenna feed point.
5. The antenna module of claim 1, wherein N has a value of 16, and the 16 antenna elements are arranged in 4 rows and 4 columns.
6. An electronic device, characterized in that the electronic device comprises an antenna module according to any of claims 1-5.
7. The electronic device of claim 6, wherein the number of the antenna modules is at least two, and a spacing between antenna arrays of every two antenna modules in the at least two antenna modules is greater than or equal to 100 mm.
8. The electronic device according to claim 6, wherein the number of the antenna modules is two, the electronic device further comprises a battery, and the antenna arrays of the two antenna modules are respectively located at two ends of the battery.
9. The electronic device according to claim 6, wherein the electronic device comprises a flexible circuit board, a processor is disposed on the flexible circuit board, the antenna module is disposed on the flexible circuit board, and the processor is connected with the antenna module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010330802.4A CN111509405B (en) | 2020-04-24 | 2020-04-24 | Antenna module and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010330802.4A CN111509405B (en) | 2020-04-24 | 2020-04-24 | Antenna module and electronic equipment |
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