CN107454214A - Antenna structure, control method, equipment and the storage medium of terminal device - Google Patents
Antenna structure, control method, equipment and the storage medium of terminal device Download PDFInfo
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- CN107454214A CN107454214A CN201710599908.2A CN201710599908A CN107454214A CN 107454214 A CN107454214 A CN 107454214A CN 201710599908 A CN201710599908 A CN 201710599908A CN 107454214 A CN107454214 A CN 107454214A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 116
- 230000006854 communication Effects 0.000 claims description 78
- 238000004891 communication Methods 0.000 claims description 75
- 238000012545 processing Methods 0.000 claims description 22
- 239000003990 capacitor Substances 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 12
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 7
- 238000002955 isolation Methods 0.000 description 6
- 230000003993 interaction Effects 0.000 description 4
- 230000005236 sound signal Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
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- 238000013500 data storage Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- 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
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
-
- 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
-
- 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
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
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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
- H01Q1/525—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between emitting and receiving antennas
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The disclosure is directed to a kind of antenna structure of terminal device, control method, equipment and storage medium, the antenna structure includes primary antenna and diversity antenna；The metal edge frame bottom of the terminal device is provided with two breaking joints, and the metal edge frame of the terminal device bottom is divided into three sections；Wherein, one section of middle metal edge frame is provided with earth terminal and feed point as the primary antenna；The enclosure interior of the terminal device bottom side sets antenna body, the feed detail of the antenna body couples with another section of metal edge frame of the terminal device bottom side, the end of this section of metal edge frame is connected to the ground by tunable devices or switch, form the diversity antenna, by the coupling of antenna body and metal edge frame, form diversity antenna and realize multiple antenna design scheme.
Description
Technical Field
The present disclosure relates to computer technologies, and in particular, to an antenna structure of a terminal device, a control method, a device, and a storage medium.
Background
With the rapid development of communication technology, the speed of acquiring data by a user using a terminal device needs to be faster, for example: the terminal equipment is adopted to watch videos, download music, browse webpages, games and the like. Therefore, after the 4G era, the improvement of data speed also has an influence on the antenna design of the terminal device. With the rise of Multiple-Input Multiple-Output (MIMO) Multiple-antenna schemes, how to arrange Multiple antennas inside a metal frame mobile phone becomes a design difficulty. Due to the shielding property of metal, it is often difficult to achieve good performance if the antenna is designed internally. However, if a plurality of antennas are designed on the frame, a plurality of broken seams are required, and how to design a plurality of antennas on the existing frame is a difficult point to be solved urgently.
Disclosure of Invention
To overcome the problems in the related art, the present disclosure provides an antenna structure of a terminal device, a control method, a device, and a storage medium.
According to a first aspect of the embodiments of the present disclosure, there is provided an antenna structure of a terminal device, the antenna structure including a main antenna and a diversity antenna;
the bottom of the metal frame of the terminal equipment is provided with two broken seams, and the metal frame at the bottom of the terminal equipment is divided into three sections; the middle section of the metal frame is provided with a grounding end and a feed point which are used as the main antenna;
the antenna body is arranged in the shell on one side of the bottom of the terminal equipment, the feed branch section of the antenna body is coupled with the other section of metal frame on one side of the bottom of the terminal equipment, and the tail end of the section of metal frame is connected to the ground through a tunable device or a switch to form the diversity antenna.
Optionally, the tunable device includes: an inductance or a capacitance.
According to the antenna structure of the terminal device provided by the embodiment of the disclosure, the antenna body is arranged in the metal frame and coupled with the metal frame on one side of the bottom, the tail end of the section of metal frame is connected to the ground through the tunable device or the switch to form the diversity antenna, and the diversity antenna is formed through the coupling of the antenna body and the metal frame to realize a multi-antenna design scheme of the terminal device.
According to a second aspect of the embodiments of the present disclosure, there is provided an antenna control method, which is applied to a terminal device including an antenna structure of the terminal device provided in any implementation manner of the first aspect, and includes:
determining whether the terminal equipment needs to adopt an MIMO mode for communication;
if the terminal equipment needs to adopt an MIMO mode for communication, controlling a tunable device or a switch at the tail end of a metal frame of the diversity antenna to be in an open-circuit state;
and if the terminal equipment does not need to adopt the MIMO mode for communication, controlling a tunable device or a switch at the tail end of the metal frame of the diversity antenna to be in a switch-on state.
In the method for controlling an antenna provided by the embodiment of the present disclosure, when it is determined that a diversity antenna is not needed to operate in a communication process of a multi-antenna terminal device, a tunable device or a switch at an objective aggressive tail end of the diversity is adjusted to be in an on state, that is, directly grounded, so that an influence of a signal on the diversity antenna on a main antenna is reduced, and an isolation between the antennas and a performance of the main antenna are improved.
Optionally, the determining whether the terminal device needs to communicate in an MIMO mode includes:
acquiring a frequency range in communication;
judging whether the frequency range is within the coverage frequency range of the diversity antenna;
if yes, determining that the terminal equipment needs to adopt an MIMO mode for communication;
and if not, determining that the terminal equipment does not need to adopt an MIMO mode for communication.
The embodiment of the disclosure provides a specific implementation scheme for determining whether to adopt multiple antennas for communication at the same time, and determines whether to use a diversity antenna for communication by detecting whether the frequency being communicated falls within the coverage range of the diversity antenna, so as to adjust whether the tail end of the diversity antenna is connected with the ground or not, and reduce interference.
Optionally, the tunable device is an inductor,
controlling the tunable device at the end of the metal frame of the diversity antenna to be in an open state, including: controlling the inductance of the inductance at the tail end of the metal frame of the diversity antenna to be more than 20 nH;
controlling a tunable device or switch at the end of the metal bezel of the diversity antenna to an on state, comprising:
and controlling the inductance of the inductance at the tail end of the metal frame of the diversity antenna to be less than 1 nH.
Optionally, the tunable device is a capacitor,
controlling the tunable device at the end of the metal frame of the diversity antenna to be in an open state, including: controlling the capacitance of a capacitor at the tail end of a metal frame of the diversity antenna to be less than 0.5 pf;
controlling a tunable device or switch at the end of the metal bezel of the diversity antenna to an on state, comprising:
and controlling the capacitance of the capacitor at the tail end of the metal frame of the diversity antenna to be more than 22 pf.
In the above solutions, several specific solutions for adjusting the terminal tunable device or switch of the diversity antenna are provided, and the ground switch or tunable device at the terminal of the diversity antenna can be used for controlling, so as to reduce interference to the main antenna signal and improve isolation between the antennas.
According to a third aspect of the embodiments of the present disclosure, there is provided a terminal device, including the antenna structure of the terminal device according to any one of the first aspect, further including:
the processing module is configured to determine whether the terminal device needs to adopt an MIMO mode for communication;
the baseband module is configured to control a tunable device or a switch at the tail end of a metal frame of the diversity antenna to be in an open-circuit state if the processing module determines that the terminal device needs to communicate in an MIMO (multiple input multiple output) mode;
the baseband module is further configured to control a tunable device or a switch at a metal frame end of the diversity antenna to be in an on state if the processing module determines that the terminal device does not need to communicate in an MIMO manner.
Optionally, the processing module includes:
a detection sub-module configured to acquire a frequency range in which communication is occurring;
a determining submodule configured to determine whether the frequency range is within a coverage frequency range of the diversity antenna;
if yes, the judging submodule determines that the terminal equipment needs to adopt an MIMO mode for communication;
if not, the judging submodule determines that the terminal equipment does not need to adopt an MIMO mode for communication.
Optionally, if the tunable device is an inductor, the baseband module is specifically configured to:
controlling the inductance of the inductance at the tail end of the metal frame of the diversity antenna to be more than 20 nH;
or,
and controlling the inductance of the inductance at the tail end of the metal frame of the diversity antenna to be less than 1 nH.
Optionally, if the tunable device is a capacitor, the baseband module is specifically configured to:
controlling the capacitance of a capacitor at the tail end of a metal frame of the diversity antenna to be less than 0.5 pf;
or,
and controlling the capacitance of the capacitor at the tail end of the metal frame of the diversity antenna to be more than 22 pf.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a terminal device, including: executable computer instructions, a processor configured to control execution of the executable computer instructions, a memory configured to store the processor executable computer instructions, a main antenna, and a diversity antenna; the bottom of the metal frame of the terminal equipment is provided with two broken seams, and the metal frame at the bottom of the terminal equipment is divided into three sections; the middle section of the metal frame is provided with a grounding end and a feed point which are used as the main antenna; an antenna body is arranged in the shell on one side of the bottom of the terminal equipment, a feed branch section of the antenna body is coupled with another section of metal frame on one side of the bottom of the terminal equipment, and the tail end of the section of metal frame is connected to the ground through a tunable device or a switch to form the diversity antenna;
the processor is configured to:
determining whether the terminal equipment needs to adopt an MIMO mode for communication;
if the terminal equipment needs to adopt an MIMO mode for communication, controlling a tunable device or a switch at the tail end of a metal frame of the diversity antenna to be in an open-circuit state;
and if the terminal equipment does not need to adopt the MIMO mode for communication, controlling a tunable device or a switch at the tail end of the metal frame of the diversity antenna to be in a switch-on state.
According to a fifth aspect of embodiments of the present disclosure, there is provided a computer storage medium having stored thereon executable computer instructions, the computer instructions being executable by a processor to implement a method of:
determining whether the terminal equipment needs to adopt an MIMO mode for communication;
if the terminal equipment needs to adopt an MIMO mode for communication, controlling a tunable device or a switch at the tail end of a metal frame of a diversity antenna of the terminal equipment to be in an open-circuit state;
and if the terminal equipment does not need to adopt the MIMO mode for communication, controlling a tunable device or a switch at the tail end of the metal frame of the diversity antenna of the terminal equipment to be in a switch-on state.
According to the antenna structure, the control method, the equipment and the storage medium of the terminal equipment, the antenna body is arranged inside the metal frame and coupled with the metal frame on one side of the bottom, the tail end of the section of the metal frame is connected to the ground through the tunable device or the switch to form the diversity antenna, and the diversity antenna is formed through coupling of the antenna body and the metal frame to achieve a multi-antenna design scheme of the terminal equipment. Meanwhile, in the communication process of the multi-antenna terminal device, when it is determined that the diversity antenna is not needed to work, the tunable device or the switch at the diversity opponent end is adjusted to be in a connected state, namely, directly grounded, so that the influence of signals on the diversity antenna on the main antenna is reduced, and the isolation between the antennas and the performance of the main antenna are improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural diagram illustrating an antenna structure of a terminal device according to an exemplary embodiment.
Fig. 2 is a schematic current direction diagram of an antenna structure of a terminal device shown according to an exemplary embodiment.
Fig. 3 is a flowchart illustrating a first embodiment of a method for controlling an antenna according to an exemplary embodiment.
Fig. 4 is a flowchart illustrating a second embodiment of a method for controlling an antenna according to an exemplary embodiment.
Fig. 5 is a block diagram illustrating a first embodiment of a terminal device according to an example embodiment.
Fig. 6 is a block diagram of a second embodiment of a terminal device according to an example embodiment.
Fig. 7 is a block diagram illustrating an entity of a terminal device according to an example embodiment.
Fig. 8 is a block diagram illustrating a terminal device 1200 according to an example embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The high pass is supported by Cat.12 on the X12LTE baseband of CellLong 820, so that the domestic operators just cross the 4G + era (the mobile phones only need to support Cat.6), but the antenna design (the design is the same for X MIMO antennas) is an overlooked problem. In order to realize faster data interaction, a design scheme of multiple antennas of the terminal device is proposed, for example: 4 x 4MIMO, in fact, uses 4 antennas to keep connecting with the base station at the same time, equal to a mouth gas opens 4 "flow water pipes", make the network connection speed of the terminal installation can be promoted by times. How to arrange a plurality of antennas inside a mobile phone with a metal frame becomes a design difficulty. Due to the shielding property of metal, it is often difficult to achieve good performance if the antenna is designed internally. However, if the plurality of antennas are all designed on the frame, a plurality of broken seams are required. Therefore, how to design multiple antennas on the existing bezel is a design difficulty.
Based on the existing problems, the embodiments of the present disclosure provide an antenna structure, a control method, a device and a storage medium of a terminal device.
Referring to fig. 1, fig. 1 is a schematic structural diagram illustrating an antenna structure of a terminal device according to an exemplary embodiment. Fig. 2 is a schematic current direction diagram of an antenna structure of a terminal device shown according to an exemplary embodiment. The antenna structure of the terminal device includes: the antenna structure comprises a main antenna and a diversity antenna;
the bottom of the metal frame of the terminal equipment is provided with two broken seams, and the metal frame at the bottom of the terminal equipment is divided into three sections; the middle section of the metal frame is provided with a grounding end and a feed point which are used as the main antenna;
the antenna body is arranged in the shell on one side of the bottom of the terminal equipment, the feed branch section of the antenna body is coupled with the other section of metal frame on one side of the bottom of the terminal equipment, and the tail end of the section of metal frame is connected to the ground through a tunable device or a switch to form the diversity antenna.
As shown in fig. 1, the antenna body is in a form of IFA coupling feed, feed current is coupled from the feed branch to the metal bezel, and the ground branch at the slot is removed, so that an open radiating bezel structure is formed. A switch or tuner is connected to the ground in parallel at the end, the CPU judges the terminal when the terminal is actually used, and if the switch is switched to a larger inductor (more than 20 nH) or a small capacitor (within 0.5 pf) when the MIMO communication is used, the terminal is equivalent to an open circuit for an LTE frequency band. When no MIMO communication is used, the switch switches to a relatively small inductance (below 1 nH) or a large capacitance (above 22 pf), which equates to a short circuit for the main antenna intermediate frequency. The direction of the current in the antenna under this scheme is shown in fig. 3.
According to the antenna structure of the terminal equipment, the metal frame of the terminal equipment is effectively utilized, the terminal connecting switch or the tunable device of the metal frame is controlled, the coexistence problem of the main antenna and the MIMO antenna is solved, and the influence between the main antenna and the MIMO antenna is reduced.
Referring to fig. 3, fig. 3 is a flowchart illustrating a first embodiment of a method for controlling an antenna according to an exemplary embodiment. The antenna control method is applied to terminal equipment provided with a main antenna and a diversity antenna, and comprises the following steps:
in step S101, it is determined whether the terminal device needs to communicate in the MIMO mode.
In this step, the terminal device needs to determine the use condition of the antennas according to its own data interaction condition, i.e., communication condition, and determine whether all the antennas need to be used for communication at the same time, i.e., whether the MIMO mode needs to be used for communication.
In step S102, if it is determined that the terminal device needs to perform communication in the MIMO mode, the tunable device or the switch at the end of the metal frame of the diversity antenna is controlled to be in an open state.
In this step, when it is determined that the terminal device needs to operate simultaneously with the main antenna and the diversity antenna, the tunable device or the switch at the end of the diversity antenna is set to an open-circuit state, that is, a certain voltage difference exists between the terminal device and the ground, so that the diversity antenna and the main antenna operate simultaneously to transmit signals.
In step S103, if it is determined that the terminal device does not need to perform communication in the MIMO mode, the tunable device or the switch at the end of the metal frame of the diversity antenna is controlled to be in an on state.
In this step, when the terminal device only uses the main antenna for communication, the tunable device or the switch at the end of the metal frame of the diversity antenna can be adjusted to be in a switch-on state, i.e., directly grounded, so as to avoid the influence of the diversity antenna on the communication of the main antenna.
According to the antenna control method provided by the embodiment of the disclosure, when it is determined that a diversity antenna is not needed to work in a communication process of a multi-antenna terminal device, a tunable device or a switch at an objective terminal of the diversity is adjusted to be in a connected state, that is, directly grounded, so that the influence of a signal on the diversity antenna on a main antenna is reduced, and the isolation between the antennas and the performance of the main antenna are improved.
The embodiment of the disclosure provides another antenna control method. This method is an explanation of a specific scheme of step S101 in the embodiment shown in fig. 3.
Referring to fig. 4, fig. 4 is a flowchart illustrating a second embodiment of a method for controlling an antenna according to an exemplary embodiment. The specific implementation step of S101 in the first embodiment includes:
in step S201, a frequency range in communication is acquired.
In step S202, it is determined whether the frequency range is within the coverage frequency range of the diversity antenna.
In step S203, if yes, it is determined that the terminal device needs to perform communication in the MIMO method.
In step S204, if not, it is determined that the terminal device does not need to perform communication in the MIMO mode.
In the foregoing steps, a specific implementation scheme is provided for determining whether MIMO communication is required, that is, the main antenna and the diversity antenna perform communication, and the terminal device acquires a frequency range in communication, and then determines whether the frequency range in communication is within the frequency range of the diversity antenna according to the frequency range of the diversity antenna and the frequency range in communication. If the frequency range being communicated is not within the frequency coverage range of the diversity antenna, it is determined that communication using the diversity antenna is not required, and only communication of the main antenna needs to be maintained. Otherwise, the main antenna and the diversity antenna can be adopted for communication at the same time.
In the two embodiments, when it is determined that the diversity antenna is not needed to be used for communication, the resonant frequency of the diversity antenna is adjusted according to the scheme in the foregoing embodiment, so as to avoid interference with the main antenna, and the specific adjustment scheme at least includes the following:
in a first implementation manner, if the tunable device is an inductor, the tunable device that controls the end of the metal frame of the diversity antenna to be in an open circuit state includes: and controlling the inductance of the inductance at the tail end of the metal frame of the diversity antenna to be more than 20 nH.
Optionally, controlling a tunable device or a switch at the end of the metal frame of the diversity antenna to be in an on state includes: and controlling the inductance of the inductance at the tail end of the metal frame of the diversity antenna to be less than 1 nH.
In a second implementation manner, if the tunable device is a capacitor, the tunable device controlling the end of the metal frame of the diversity antenna to be in an open circuit state includes: and controlling the capacitance of the capacitor at the tail end of the metal frame of the diversity antenna to be less than 0.5 pf.
Optionally, controlling a tunable device or a switch at the end of the metal frame of the diversity antenna to be in an on state includes: and controlling the capacitance of the capacitor at the tail end of the metal frame of the diversity antenna to be more than 22 pf.
Besides adjusting the tunable device at the feed point, the switch at the end of the metal frame of the diversity antenna can be adjusted to be opened or closed, so that the end of the metal frame of the diversity antenna is directly grounded or a voltage difference is kept between the end of the metal frame of the diversity antenna and the ground.
According to the antenna control method provided by the embodiment of the disclosure, the terminal device determines whether to use the MIMO mode for communication by detecting whether the frequency in communication falls within the coverage range of the diversity antenna, and whether to ground the end of the diversity antenna can be controlled by a ground switch or a tunable device at the end of a metal frame of the diversity antenna, such as a tunable capacitor or an inductor value, so that the interference to the main antenna signal is reduced, and the isolation between the antennas is improved.
The present disclosure provides a terminal device, which may be used to implement the technical solutions of the control methods of the antennas shown in fig. 3 to 4.
Referring to fig. 5, fig. 5 is a block diagram illustrating a first embodiment of a terminal device according to an exemplary embodiment. The terminal device 10 includes:
the antenna structure shown in fig. 1 and 2, that is, the antenna structure includes a main antenna 11 and a diversity antenna 12, and further includes:
a processing module 13 configured to determine whether the terminal device needs to communicate in an MIMO manner;
a baseband module 14, configured to control a tunable device or a switch at a tail end of a metal frame of a diversity antenna to be in an open-circuit state if the processing module 13 determines that the terminal device needs to communicate in an MIMO mode;
the baseband module 14 is further configured to control the tunable device or the switch at the end of the metal frame of the diversity antenna to be in an on state if the processing module 13 determines that the terminal device does not need to communicate in the MIMO mode.
The terminal device provided in this embodiment is configured to execute the technical solution of the terminal device in any of the foregoing method embodiments, and the implementation principle and technical effect of the terminal device are similar, and when it is determined that the diversity antenna is not needed to operate, the terminal device grounds the tail end of the diversity antenna, reduces the influence of the signal on the diversity antenna on the main antenna, and improves the isolation between the antennas and the performance of the main antenna.
On the basis of the above-described embodiment shown in fig. 5, fig. 6 is a block diagram of a second embodiment of the terminal device shown in accordance with an exemplary embodiment. Referring to fig. 6, the processing module 13 includes:
a detection submodule 131 configured to acquire a frequency range in communication;
a determining sub-module 132 configured to determine whether the frequency range is within a coverage frequency range of the diversity antenna;
if yes, the determining submodule 132 determines that the terminal device needs to communicate in an MIMO mode;
if not, the determining sub-module 132 determines that the terminal device does not need to communicate in the MIMO mode.
Optionally, on the basis of the embodiment shown in fig. 5 or fig. 6, if the tunable device is an inductor, the baseband module 14 is specifically configured to:
controlling the inductance of the inductance at the tail end of the metal frame of the diversity antenna to be more than 20 nH;
or,
and controlling the inductance of the inductance at the tail end of the metal frame of the diversity antenna to be less than 1 nH.
Optionally, if the tunable device is a capacitor, the baseband module 14 is specifically configured to:
controlling the capacitance of a capacitor at the tail end of a metal frame of the diversity antenna to be less than 0.5 pf;
or,
and controlling the capacitance of the capacitor at the tail end of the metal frame of the diversity antenna to be more than 22 pf.
The terminal device provided by the above specific implementation manners is used for executing the technical scheme of the terminal device in any of the foregoing method embodiments, and the implementation principle and the technical effect are similar, and are not described herein again.
With regard to the terminal device in the above embodiments, the specific manner in which each module performs operations has been described in detail in the embodiments of the related method, and will not be elaborated here. That is, the internal functional modules and the structural schematic of the terminal device are described above.
Referring to fig. 7, fig. 7 is a block diagram illustrating an entity of a terminal device according to an exemplary embodiment, and as shown in fig. 7, the terminal device may be specifically implemented as: executable computer instructions, a processor configured to control execution of the executable computer instructions, a memory configured to store the processor executable computer instructions, a main antenna, and a diversity antenna; the bottom of the metal frame of the terminal equipment is provided with two broken seams, and the metal frame at the bottom of the terminal equipment is divided into three sections; the middle section of the metal frame is provided with a grounding end and a feed point which are used as the main antenna; an antenna body is arranged in the shell on one side of the bottom of the terminal equipment, a feed branch section of the antenna body is coupled with another section of metal frame on one side of the bottom of the terminal equipment, and the tail end of the section of metal frame is connected to the ground through a tunable device or a switch to form the diversity antenna;
the processor is configured to:
determining whether the terminal equipment needs to adopt an MIMO mode for communication;
if the terminal equipment needs to adopt an MIMO mode for communication, controlling a tunable device or a switch at the tail end of a metal frame of the diversity antenna to be in an open-circuit state;
and if the terminal equipment does not need to adopt the MIMO mode for communication, controlling a tunable device or a switch at the tail end of the metal frame of the diversity antenna to be in a switch-on state.
In the above embodiments of the terminal device, it should be understood that the Processor may be a Central Processing Unit (CPU), other general-purpose processors, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), etc. The general-purpose processor may be a microprocessor or a processor, or any conventional processor, and the aforementioned memory may be a read-only memory (ROM), a Random Access Memory (RAM), a flash memory, a hard disk, or a solid state disk. The steps of a method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware processor, or may be implemented by a combination of hardware and software modules in the processor.
Referring to fig. 8, fig. 8 is a block diagram illustrating a terminal device 1200 according to an example embodiment. For example, the device may be a mobile phone of a user, a call tablet, a smart payment terminal, or other terminal device capable of communicating data through an antenna, where the terminal device includes a main antenna and a diversity antenna.
Referring to fig. 8, terminal device 1200 may include one or more of the following components: processing component 1202, memory 1204, power component 1206, multimedia component 1208, audio component 1210, input/output (I/O) interface 1212, sensor component 1214, and communications component 1216.
The processing component 1202 generally controls overall operation of the terminal device 1200, such as operations associated with display, data communication, multimedia operations, and recording operations. The processing components 1202 may include one or more processors 1220 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 1202 can include one or more modules that facilitate interaction between the processing component 1202 and other components. For example, the processing component 1202 can include a multimedia module to facilitate interaction between the multimedia component 1208 and the processing component 1202.
The memory 1204 is configured to store various types of data to support operation at the terminal device 1200. Examples of such data include instructions for any application or method operating on terminal device 1200, various types of data, messages, pictures, videos, and so forth. The memory 1204 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
Power supply components 1206 provide power to the various components of terminal device 1200. Power components 1206 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for terminal device 1200.
The multimedia component 1208 includes a screen providing an output interface between the terminal device 1200 and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation.
Audio component 1210 is configured to output and/or input audio signals. For example, the audio component 1210 includes a Microphone (MIC) configured to receive an external audio signal when the terminal apparatus 1200 is in an operation mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 1204 or transmitted via the communication component 1216. In some embodiments, audio assembly 1210 further includes a speaker for outputting audio signals.
The I/O interface 1212 provides an interface between the processing component 1202 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc.
The sensor assembly 1214 includes one or more sensors for providing various aspects of state assessment for the terminal device 1200. For example, sensor assembly 1214 can detect an open/closed state of terminal device 1200, the relative positioning of components, such as a display and keypad of terminal device 1200, sensor assembly 1214 can also detect a change in position of terminal device 1200 or a component of terminal device 1200, the presence or absence of user contact with terminal device 1200, orientation or acceleration/deceleration of terminal device 1200, and a change in temperature of terminal device 1200. The sensor assembly 1214 may include a proximity sensor configured to detect the presence of a nearby object in the absence of any physical contact. The sensor assembly 1214 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 1214 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
Communications component 1216 is configured to facilitate communications between terminal device 1200 and other devices in a wired or wireless manner. The terminal device 1200 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 1216 receives the broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communications component 1216 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the terminal device 1200 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components, for performing the control method of the antenna provided by the foregoing aspects, including:
determining whether the terminal equipment needs to adopt an MIMO mode for communication;
if the terminal equipment needs to adopt an MIMO mode for communication, controlling a tunable device or a switch at the tail end of a metal frame of a diversity antenna of the terminal equipment to be in an open-circuit state;
and if the terminal equipment does not need to adopt the MIMO mode for communication, controlling a tunable device or a switch at the tail end of the metal frame of the diversity antenna of the terminal equipment to be in a switch-on state.
In an exemplary embodiment, there is also provided a non-transitory computer-readable storage medium (also referred to as a computer storage medium) including instructions, having executable computer instructions stored thereon, the computer instructions being executed by a processor to implement a control method of an antenna provided by any of the above embodiments. Such as memory 1204, including instructions executable by processor 1220 of terminal device 1200 to perform the methods described above. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (12)
1. An antenna structure for a terminal device, characterized in that the antenna structure comprises a main antenna and a diversity antenna;
the bottom of the metal frame of the terminal equipment is provided with two broken seams, and the metal frame at the bottom of the terminal equipment is divided into three sections; the middle section of the metal frame is provided with a grounding end and a feed point which are used as the main antenna;
the antenna body is arranged in the shell on one side of the bottom of the terminal equipment, the feed branch section of the antenna body is coupled with the other section of metal frame on one side of the bottom of the terminal equipment, and the tail end of the section of metal frame is connected to the ground through a tunable device or a switch to form the diversity antenna.
2. The antenna structure of a terminal device according to claim 1, characterized in that the tunable device comprises: an inductance or a capacitance.
3. A method for controlling an antenna, applied to a terminal device comprising an antenna structure of the terminal device of claim 1 or 2, the method comprising:
determining whether the terminal equipment needs to adopt an MIMO mode for communication;
if the terminal equipment needs to adopt an MIMO mode for communication, controlling a tunable device or a switch at the tail end of a metal frame of the diversity antenna to be in an open-circuit state;
and if the terminal equipment does not need to adopt the MIMO mode for communication, controlling a tunable device or a switch at the tail end of the metal frame of the diversity antenna to be in a switch-on state.
4. The method of claim 3, wherein the determining whether the terminal device needs to communicate in a MIMO mode comprises:
acquiring a frequency range in communication;
judging whether the frequency range is within the coverage frequency range of the diversity antenna;
if yes, determining that the terminal equipment needs to adopt an MIMO mode for communication;
and if not, determining that the terminal equipment does not need to adopt an MIMO mode for communication.
5. The method of claim 3 or 4, wherein the tunable device is an inductor,
controlling the tunable device at the end of the metal frame of the diversity antenna to be in an open state, including: controlling the inductance of the inductance at the tail end of the metal frame of the diversity antenna to be more than 20 nH;
controlling a tunable device or switch at the end of the metal bezel of the diversity antenna to an on state, comprising:
and controlling the inductance of the inductance at the tail end of the metal frame of the diversity antenna to be less than 1 nH.
6. The method of claim 3 or 4, wherein the tunable device is a capacitor,
controlling the tunable device at the end of the metal frame of the diversity antenna to be in an open state, including: controlling the capacitance of a capacitor at the tail end of a metal frame of the diversity antenna to be less than 0.5 pf;
controlling a tunable device or switch at the end of the metal bezel of the diversity antenna to an on state, comprising:
and controlling the capacitance of the capacitor at the tail end of the metal frame of the diversity antenna to be more than 22 pf.
7. A terminal device, characterized in that it comprises an antenna structure of a terminal device according to claim 1 or 2, and further comprises:
the processing module is configured to determine whether the terminal device needs to adopt an MIMO mode for communication;
the baseband module is configured to control a tunable device or a switch at the tail end of a metal frame of the diversity antenna to be in an open-circuit state if the processing module determines that the terminal device needs to communicate in an MIMO (multiple input multiple output) mode;
the baseband module is further configured to control a tunable device or a switch at a metal frame end of the diversity antenna to be in an on state if the processing module determines that the terminal device does not need to communicate in an MIMO manner.
8. The terminal device of claim 7, wherein the processing module comprises:
a detection sub-module configured to acquire a frequency range in which communication is occurring;
a determining submodule configured to determine whether the frequency range is within a coverage frequency range of the diversity antenna;
if yes, the judging submodule determines that the terminal equipment needs to adopt an MIMO mode for communication;
if not, the judging submodule determines that the terminal equipment does not need to adopt an MIMO mode for communication.
9. The terminal device according to claim 7 or 8, wherein the tunable component is an inductor, and the baseband module is specifically configured to:
controlling the inductance of the inductance at the tail end of the metal frame of the diversity antenna to be more than 20 nH;
or,
and controlling the inductance of the inductance at the tail end of the metal frame of the diversity antenna to be less than 1 nH.
10. The terminal device according to claim 7 or 8, wherein the tunable device is a capacitor, then the baseband module is specifically configured to:
controlling the capacitance of a capacitor at the tail end of a metal frame of the diversity antenna to be less than 0.5 pf;
or,
and controlling the capacitance of the capacitor at the tail end of the metal frame of the diversity antenna to be more than 22 pf.
11. A terminal device, comprising: executable computer instructions, a processor configured to control execution of the executable computer instructions, a memory configured to store the processor executable computer instructions, a main antenna, and a diversity antenna; the bottom of the metal frame of the terminal equipment is provided with two broken seams, and the metal frame at the bottom of the terminal equipment is divided into three sections; the middle section of the metal frame is provided with a grounding end and a feed point which are used as the main antenna; an antenna body is arranged in the shell on one side of the bottom of the terminal equipment, a feed branch section of the antenna body is coupled with another section of metal frame on one side of the bottom of the terminal equipment, and the tail end of the section of metal frame is connected to the ground through a tunable device or a switch to form the diversity antenna;
the processor is configured to:
determining whether the terminal equipment needs to adopt an MIMO mode for communication;
if the terminal equipment needs to adopt an MIMO mode for communication, controlling a tunable device or a switch at the tail end of a metal frame of the diversity antenna to be in an open-circuit state;
and if the terminal equipment does not need to adopt the MIMO mode for communication, controlling a tunable device or a switch at the tail end of the metal frame of the diversity antenna to be in a switch-on state.
12. A computer storage medium having executable computer instructions stored thereon, the computer instructions being executable by a processor to perform a method comprising:
determining whether the terminal equipment needs to adopt an MIMO mode for communication;
if the terminal equipment needs to adopt an MIMO mode for communication, controlling a tunable device or a switch at the tail end of a metal frame of a diversity antenna of the terminal equipment to be in an open-circuit state;
and if the terminal equipment does not need to adopt the MIMO mode for communication, controlling a tunable device or a switch at the tail end of the metal frame of the diversity antenna of the terminal equipment to be in a switch-on state.
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