CN110830091A - Mobile terminal WIFI antenna system, control method and mobile terminal - Google Patents
Mobile terminal WIFI antenna system, control method and mobile terminal Download PDFInfo
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- CN110830091A CN110830091A CN201810890334.9A CN201810890334A CN110830091A CN 110830091 A CN110830091 A CN 110830091A CN 201810890334 A CN201810890334 A CN 201810890334A CN 110830091 A CN110830091 A CN 110830091A
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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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
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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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- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0604—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching with predefined switching scheme
Abstract
The invention discloses a mobile terminal WIFI antenna system, a control method and a mobile terminal, wherein the mobile terminal WIFI antenna system comprises: the built-in antenna is arranged inside the mobile terminal; the signal intensity detection circuit and the radio frequency switch are respectively connected with the built-in antenna; the radio frequency switch is connected with the signal intensity detection circuit; the external antenna is electrically connected with the radio frequency switch; and the radio frequency switch selects and switches the WIFI antenna of the mobile terminal to be the external antenna according to the signal intensity received by the internal antenna and detected by the signal intensity detection circuit when the signal intensity is smaller than the preset intensity. According to the embodiment of the invention, the conventional external module or rear shell of the mobile terminal is shared, the antenna radio frequency switch is added and connected with the main radio frequency circuit through a coupling feed or direct contact method, so that the WIFI antenna function is realized, the antenna space is saved, and the wireless performance of the mobile terminal under a weak signal environment is improved.
Description
Technical Field
The invention relates to the field of mobile communication, in particular to a mobile terminal WIFI antenna system, a control method and a mobile terminal.
Background
With the popularization of full-screen mobile phones, greater challenges are provided for the space and performance of the WIFI antenna. The space reserved for the WIFI antenna by a circuit board of the existing smart phone is limited, and along with the rapid increase of the demand of a user on the internet speed, the problem that the smart phone design needs to be solved urgently at present is to improve WIFI signals so as to further enhance the internet experience of the user. In the prior art, multiple antennas of a smart phone coexist, the antenna environment is severe, a large antenna space is needed for an external antenna, and the antenna performance of the conventional product is difficult to effectively improve under the condition of weak signals; at present, the smart phone is a scheme with one main transmitting antenna and two receiving antennas, is limited by antenna space, and has no good solution for improving the performance of the WIFI antenna.
Disclosure of Invention
In order to solve the technical problems, the invention provides a mobile terminal WIFI antenna system, a control method and a mobile terminal, and solves the problem that the performance of the mobile terminal antenna is poor under weak signals.
According to an aspect of the invention, a mobile terminal WIFI antenna system is provided, which comprises:
the built-in antenna is arranged inside the mobile terminal;
the signal intensity detection circuit and the radio frequency switch are respectively connected with the built-in antenna;
the radio frequency switch is connected with the signal intensity detection circuit;
the external antenna is electrically connected with the radio frequency switch;
and the radio frequency switch selects and switches the WIFI antenna of the mobile terminal to be the external antenna according to the signal intensity received by the internal antenna and detected by the signal intensity detection circuit when the signal intensity is smaller than the preset intensity.
Optionally, the internal antenna includes: the WIFI built-in antenna comprises a WIFI built-in antenna and a WIFI radio frequency circuit connected with the WIFI built-in antenna;
the WIFI radio frequency circuit is connected with the signal intensity detection circuit.
Optionally, the internal antenna further includes: a filter isolation circuit;
one end of the filtering isolation circuit is connected with the WIFI radio frequency circuit, and the other end of the filtering isolation circuit is connected with the radio frequency change-over switch.
Optionally, the external antenna includes: the WIFI external antenna comprises a WIFI external antenna and a WIFI elastic sheet connected with the WIFI external antenna;
the WIFI elastic sheet is in coupling connection or contact connection with the radio frequency switch.
Optionally, the external antenna is disposed in the external module or the external housing of the mobile terminal.
According to another aspect of the invention, a method for controlling a WIFI antenna system of a mobile terminal is provided, which comprises the following steps:
acquiring the signal intensity received by the built-in antenna and detected by a signal intensity detection circuit;
and when the signal intensity is smaller than the preset intensity, selecting and switching the WIFI antenna of the mobile terminal to be an external antenna.
Optionally, when the signal strength is less than the preset strength, before the step of selecting and switching the WIFI antenna of the mobile terminal to be an external antenna, the method further includes:
and judging whether the external antenna is electrically connected with the mobile terminal.
Optionally, the step of determining whether the external antenna is electrically connected to the mobile terminal includes:
detecting whether an electric signal transmitted by a WIFI elastic sheet of the external antenna is acquired;
and if the electric signal transmitted by the WIFI elastic sheet is received, the external antenna is confirmed to be electrically connected with the mobile terminal.
Optionally, the control method of the mobile terminal WIFI antenna system further includes:
and when the mobile terminal has a Multiple Input Multiple Output (MIMO) function, controlling the connection of the internal antenna and the external antenna.
According to still another aspect of the invention, a mobile terminal is provided, which comprises the above-mentioned mobile terminal WIFI antenna system.
The embodiment of the invention has the beneficial effects that:
in the scheme, an antenna radio frequency switch is added by sharing an external module or a rear shell of the conventional mobile terminal through a coupling feed method or a direct contact method, and is connected with a main radio frequency circuit to realize the function of a WIFI antenna; the space of the WIFI auxiliary receiving antenna can be saved, the wireless performance of the mobile terminal in a weak signal environment can be greatly improved, the internet access speed of WIFI is improved, and the external antenna is easy to realize standardized design and is not influenced by the environment of the mobile terminal; the wireless performance and the user experience of the mobile terminal in a weak signal environment can be improved, the design space and the cost of the auxiliary antenna are saved, the flexibility of product ID design is improved, and the external antenna design of the intelligent mobile terminal is realized.
Drawings
Fig. 1 shows a block diagram of a mobile terminal WIFI antenna system according to an embodiment of the present invention;
fig. 2 is a block diagram showing a specific structure of a WIFI antenna system of a mobile terminal according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a method for controlling a WIFI antenna system of a mobile terminal according to an embodiment of the present invention.
Wherein in the figure: 1. the device comprises an internal antenna, a signal strength detection circuit, a radio frequency switch and an external antenna, wherein the internal antenna is 2;
11. WIFI built-in antenna, 12, WIFI radio frequency circuit, 13, filtering isolation circuit, 41, WIFI external antenna, 42, WIFI shell fragment.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1-2, an embodiment of the present invention provides a mobile terminal WIFI antenna system, including:
a built-in antenna 1 arranged inside the mobile terminal;
a signal intensity detection circuit 2 and a radio frequency changeover switch 3 respectively connected with the built-in antenna 1;
the radio frequency switch 3 is connected with the signal intensity detection circuit 2;
the external antenna 4 is electrically connected with the radio frequency change-over switch 3;
the radio frequency selector switch 3 selects and switches the WIFI antenna of the mobile terminal to be the external antenna when the signal strength is smaller than the preset strength according to the signal strength received by the internal antenna 1 detected by the signal strength detection circuit 2.
In this embodiment, the antennas of the mobile terminal are mainly classified into an internal antenna and an external antenna, but the internal antenna is mostly arranged on a circuit board inside the mobile terminal due to the requirement of the antenna space and the carrying convenience of the user, and the signal receiving intensity of the internal antenna is objectively weaker than that of the external antenna. According to the scheme, the radio frequency change-over switch 3 is arranged inside the mobile terminal and connected with the internal antenna 1 and the external antenna 4 of the mobile terminal, so that the external antenna 4 is connected to a main radio frequency circuit of the mobile terminal through the radio frequency change-over switch 3, and the antenna function of the external antenna 4 is realized. A signal strength detection circuit 2 is connected between the internal antenna 1 and the radio frequency switch 3, the signal strength detection circuit 2 can detect the signal strength condition received by the internal antenna 1 and send the signal strength to the radio frequency switch 3, the radio frequency switch 3 judges that the signal strength received by the internal antenna 1 is smaller than a preset strength, and meanwhile, under the condition that the external antenna 4 is connected with the mobile terminal, the WIFI antenna of the mobile terminal is selected and switched to be the external antenna, namely, the external antenna 4 is used as a signal receiving end of the mobile terminal. The preset strength may be set according to a requirement, preferably, the preset strength is-75 DBM, that is, when the strength of the signal received by the internal antenna 1 is less than-75 DBM, the signal strength is considered to be weak, and the external antenna 4 needs to be used to receive the signal.
Specifically, the external antenna 4 is disposed in an external module or an external housing of the mobile terminal. The external module can be a charging module such as a magic power battery, and the external shell of the mobile terminal can be an external rear shell, such as a protective shell. Will external antenna 4 sets up in external module or mobile terminal outside casing, utilizes mobile terminal's accessory as external antenna 4's carrier, need not design solitary external antenna, can save the space of the vice receiving antenna of WIFI, can promote mobile terminal wireless performance under the weak signal environment greatly moreover, improves WIFI's online speed, and external antenna realizes standardized design easily moreover, does not receive mobile terminal environmental impact, user convenient to carry.
According to the scheme, the radio frequency change-over switch is additionally arranged in the mobile terminal, under the condition that the performance of the built-in antenna is poor, the radio performance of the mobile terminal under the weak signal environment is improved by switching the radio frequency change-over switch to the external antenna on the external shell of the mobile terminal, the problem that the WIFI signal performance is poor due to limited isolation and space environment of multi-antenna coexistence can be solved, indexes such as data throughput and received signal strength of WIFI are improved, and the internet surfing experience of a user is improved.
In the above embodiment of the present invention, the internal antenna 1 includes: the WIFI built-in antenna comprises a WIFI built-in antenna 11 and a WIFI radio frequency circuit 12 connected with the WIFI built-in antenna 11;
the WIFI radio frequency circuit 12 is connected with the signal intensity detection circuit 2.
In this embodiment, the WIFI radio frequency circuit 12 is a main radio frequency circuit of the mobile terminal, the WIFI built-in antenna 11 converts the received electromagnetic waves sent by the base station into alternating current signals, and transmits the alternating current signals to the WIFI radio frequency circuit 12, and the final received signals are obtained after the processing such as amplification, adjustment, demodulation and the like of the WIFI radio frequency circuit 12; the WIFI radio frequency circuit 12 is connected with the signal strength detection circuit 2, the WIFI radio frequency circuit 12 transmits a final received signal to the signal strength detection circuit 2, and the signal strength detection circuit 2 can detect the signal strength received by the WIFI built-in antenna 11.
In the above embodiment of the present invention, the internal antenna 1 further includes: a filter isolation circuit 13; one end of the filtering isolation circuit 13 is connected with the WIFI radio frequency circuit 12, and the other end is connected with the radio frequency change-over switch 3. The filtering and isolating circuit 13 can filter out unwanted signals in the signals to obtain pure received signals.
Specifically, the external antenna 4 is connected to the radio frequency switch 3, that is, the external antenna 4 is connected to the WIFI radio frequency circuit 12 through the radio frequency switch 3 and the filter isolation circuit 13, that is, when the radio frequency switch 3 switches on the external antenna 4, the external antenna 4 is communicated with the WIFI radio frequency circuit 12, so that the WIFI antenna function can be realized.
Specifically, the external antenna 4 includes: the WIFI external antenna 41 and the WIFI elastic sheet 42 connected with the WIFI external antenna 41; the WIFI elastic piece 42 is coupled or in contact with the radio frequency switch 3.
In this embodiment, the external antenna 4 is disposed in an external module or an external housing of the mobile terminal, that is, the carrier of the WIFI external antenna 41 and the WIFI elastic piece 42 is an external module or an external housing of the mobile terminal, and the WIFI elastic piece 42 is connected to the WIFI external antenna 41, and after the external module or the external housing of the mobile terminal is attached to the mobile terminal, the WIFI elastic piece 42 feeds power in a coupling manner or in a direct contact manner with the radio frequency switch 3 on the internal circuit board of the mobile terminal. Under the condition that the radio frequency change-over switch 3 judges that the signal intensity received by the internal antenna 1 is smaller than the preset intensity and the external antenna 4 is connected with the mobile terminal, the WIFI antenna of the mobile terminal is selected and switched to be the external antenna, namely, the external antenna 4 is used as a signal receiving end of the mobile terminal. For example, the carrier of the external antenna 4 is an external camera, the external camera is inserted into an interface of the mobile terminal, then the WIFI elastic piece 42 in the external camera directly contacts with the radio frequency switch 3 for feeding, and the WIFI external antenna 41 is connected to the WIFI radio frequency circuit 12 through the radio frequency switch 3 and the filter isolation circuit 13, so that a WIFI antenna function can be realized; if the external antenna 4 is arranged in an external protective shell of the mobile terminal, after the protective shell is buckled with the mobile terminal, the WIFI elastic sheet 42 in the protective shell is coupled with the radio frequency change-over switch 3 for feeding, and the WIFI external antenna 41 is connected to the WIFI radio frequency circuit 12 through the radio frequency change-over switch 3 and the filtering isolation circuit 13, so that the function of a WIFI antenna can be realized.
Utilize mobile terminal's accessory as external antenna 4's carrier, need not design solitary external antenna, can save the space of the vice receiving antenna of WIFI, can promote mobile terminal wireless performance under the weak signal environment greatly moreover, improve WIFI's online speed, external antenna realizes standardized design easily moreover, does not receive mobile terminal environmental impact, user convenient to carry.
The technical scheme shares the existing external module or rear shell of the mobile terminal, and an antenna radio frequency switch is added and connected with a main radio frequency circuit by a coupling feed or direct contact method, so that the WIFI antenna function is realized; the space of the WIFI auxiliary receiving antenna can be saved, the wireless performance of the mobile terminal in a weak signal environment can be greatly improved, the internet access speed of WIFI is improved, and the external antenna is easy to realize standardized design and is not influenced by the environment of the mobile terminal; the wireless performance and the user experience of the mobile terminal in a weak signal environment can be improved, the design space and the cost of the auxiliary antenna are saved, the flexibility of product ID design is improved, and the external antenna design of the intelligent mobile terminal is realized.
As shown in fig. 3, an embodiment of the present invention provides a method for controlling a WIFI antenna system of a mobile terminal, including:
in this embodiment, the WIFI built-in antenna converts the received electromagnetic waves sent by the base station into alternating current signals, and transmits the alternating current signals to the WIFI radio frequency circuit, and obtains final received signals after the processing such as amplification, adjustment, and demodulation of the WIFI radio frequency circuit, the WIFI radio frequency circuit is connected with the signal strength detection circuit, the WIFI radio frequency circuit transmits the final received signals to the signal strength detection circuit, and the signal strength detection circuit can detect the signal strength received by the WIFI built-in antenna.
And step 32, when the signal intensity is smaller than the preset intensity, selecting and switching a WIFI antenna of the mobile terminal to be an external antenna.
In this embodiment, a radio frequency change-over switch is added inside the mobile terminal, the radio frequency change-over switch is connected with the signal strength detection circuit, and when the radio frequency change-over switch determines that the signal strength received by the WIFI internal antenna is smaller than the preset strength, the WIFI antenna of the mobile terminal is selected and switched to be an external antenna, that is, the external antenna is used as a signal receiving end of the mobile terminal. The preset strength may be set according to a requirement, preferably, the preset strength is-75 DBM, that is, when the strength of the signal received by the internal antenna is less than-75 DBM, the signal strength is considered to be weak, and the external antenna needs to be used to receive the signal.
According to the scheme, the radio frequency change-over switch is additionally arranged in the mobile terminal, under the condition that the performance of the built-in antenna is poor, the radio performance of the mobile terminal under the weak signal environment is improved by switching the radio frequency change-over switch to the external antenna on the external shell of the mobile terminal, the problem that the WIFI signal performance is poor due to limited isolation and space environment of multi-antenna coexistence can be solved, indexes such as data throughput and received signal strength of WIFI are improved, and the internet surfing experience of a user is improved.
In the above embodiment of the present invention, before the step 31, the method further includes:
and judging whether the external antenna is electrically connected with the mobile terminal.
Specifically, the step of determining whether the external antenna is electrically connected to the mobile terminal includes:
detecting whether an electric signal transmitted by a WIFI elastic sheet of the external antenna is acquired;
and if the electric signal transmitted by the WIFI elastic sheet is received, the external antenna is confirmed to be electrically connected with the mobile terminal.
In this embodiment, when the radio frequency switch determines that the signal strength received by the WIFI internal antenna is smaller than the preset strength, it is further necessary to confirm that the external antenna is electrically connected with the mobile terminal if the WIFI antenna of the mobile terminal is selected and switched to be the external antenna, and the electrical connection may be coupling connection or direct contact.
The external antenna is arranged in the external module or the mobile terminal external shell, and after the external module or the mobile terminal external shell is attached to the mobile terminal, the WIFI elastic sheet and the radio frequency switch on the mobile terminal internal circuit board are switched on in a coupling feeding or direct contact feeding mode, namely, an electric signal in the WIFI elastic sheet can be transmitted to the radio frequency switch, and the external antenna is considered to be electrically connected with the mobile terminal.
In the above embodiment of the present invention, the method for controlling a WIFI antenna system of a mobile terminal further includes:
and when the mobile terminal has a multi-input multi-output (MIMO) function, controlling the connection of the internal antenna and the external antenna.
In this embodiment, when the mobile terminal has the MIMO function, because the implementation of the MIMO function needs to be completed by matching a plurality of antennas, the external antenna can be used as one of the antennas for implementing the MIMO function, and the external antenna is switched and connected by controlling the radio frequency switch under the condition that the external module or the external antenna in the external housing of the mobile terminal is electrically connected to the mobile terminal, so that the MIMO function of the mobile terminal can be implemented.
According to the embodiment of the invention, when the mobile terminal only has a Single Input Single Output (SISO) function, whether the mobile terminal needs to be switched to the WIFI external antenna is judged by judging the signal intensity condition received by the WIFI internal antenna of the mobile terminal, if the signal intensity is smaller than the preset intensity, and meanwhile, under the condition that an external module or an external shell of the mobile terminal is connected with the mobile terminal, the mobile terminal can be automatically switched to the WIFI external antenna, so that the best WIFI user experience is ensured; when the mobile terminal supports the MIMO function, under the condition that the external module or the external shell of the mobile terminal is connected with the mobile terminal, the WIFI external antenna is switched on through the control of the radio frequency switch, and the MIMO function is realized.
The embodiment of the invention also provides a mobile terminal which comprises the mobile terminal WIFI antenna system.
According to the embodiment of the invention, the MIMO function is realized by utilizing the existing WIFI built-in antenna of the mobile terminal and simultaneously combining the WIFI external antenna on an external shell (such as a protective shell) or an external module (such as a modular battery module) or realizing the automatic selection and switching function of the SISO optimal antenna, the difficult problems of the design space and the performance of the antenna of the mobile terminal are solved, the wireless performance of the mobile terminal under a weak signal environment can be greatly improved, the internet access rate of WIFI is improved, the external antenna is easy to realize standardized design and is not influenced by the environment of the mobile terminal; the wireless performance and the user experience of the mobile terminal in a weak signal environment can be improved, the design space and the cost of the auxiliary antenna are saved, the flexibility of product ID design is improved, and the external antenna design of the intelligent mobile terminal is realized.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.
Claims (10)
1. The utility model provides a mobile terminal WIFI antenna system which characterized in that includes:
a built-in antenna (1) arranged inside the mobile terminal;
a signal strength detection circuit (2) and a radio frequency switch (3) which are respectively connected with the built-in antenna (1);
the radio frequency switch (3) is connected with the signal intensity detection circuit (2);
the external antenna (4) is electrically connected with the radio frequency switch (3);
the radio frequency switch (3) selects and switches the WIFI antenna of the mobile terminal to be an external antenna according to the signal intensity received by the internal antenna (1) detected by the signal intensity detection circuit (2) when the signal intensity is smaller than the preset intensity.
2. Mobile terminal WIFI antenna system according to claim 1, characterized in that said built-in antenna (1) comprises: the WIFI built-in antenna comprises a WIFI built-in antenna (11) and a WIFI radio frequency circuit (12) connected with the WIFI built-in antenna (11);
the WIFI radio frequency circuit (12) is connected with the signal intensity detection circuit (2).
3. Mobile terminal WIFI antenna system according to claim 2, characterized in that said built-in antenna (1) further comprises: a filter isolation circuit (13);
one end of the filtering isolation circuit (13) is connected with the WIFI radio frequency circuit (12), and the other end of the filtering isolation circuit is connected with the radio frequency switch (3).
4. Mobile terminal WIFI antenna system according to claim 1, characterized in that said external antenna (4) comprises: the WIFI external antenna (41) and a WIFI elastic sheet (42) connected with the WIFI external antenna (41);
the WIFI elastic sheet (42) is in coupling connection or contact connection with the radio frequency switch (3).
5. Mobile terminal WIFI antenna system according to claim 1, characterized in that the external antenna (4) is arranged in an external module or a mobile terminal external housing.
6. A control method of a WIFI antenna system of a mobile terminal is characterized by comprising the following steps:
acquiring the signal intensity received by the built-in antenna and detected by a signal intensity detection circuit;
and when the signal intensity is smaller than the preset intensity, selecting and switching the WIFI antenna of the mobile terminal to be an external antenna.
7. The method for controlling a WIFI antenna system of a mobile terminal of claim 6, wherein when the signal strength is less than the preset strength, the step of selecting and switching the WIFI antenna of the mobile terminal to be an external antenna further comprises:
and judging whether the external antenna is electrically connected with the mobile terminal.
8. The method for controlling the WIFI antenna system of the mobile terminal of claim 7, wherein the step of determining whether the external antenna is electrically connected to the mobile terminal includes:
detecting whether an electric signal transmitted by a WIFI elastic sheet of the external antenna is acquired;
and if the electric signal transmitted by the WIFI elastic sheet is received, the external antenna is confirmed to be electrically connected with the mobile terminal.
9. The method for controlling the WIFI antenna system of the mobile terminal according to claim 6, further comprising:
and when the mobile terminal has a multi-input multi-output (MIMO) function, controlling the connection of the internal antenna and the external antenna.
10. A mobile terminal, characterized by comprising the mobile terminal WIFI antenna system of any one of claims 1-5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810890334.9A CN110830091A (en) | 2018-08-07 | 2018-08-07 | Mobile terminal WIFI antenna system, control method and mobile terminal |
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| CN201810890334.9A CN110830091A (en) | 2018-08-07 | 2018-08-07 | Mobile terminal WIFI antenna system, control method and mobile terminal |
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| CN112350743A (en) * | 2020-10-23 | 2021-02-09 | Tcl通讯（宁波）有限公司 | Antenna selection circuit structure, antenna selection method and customer premises equipment |
| CN114244409A (en) * | 2021-12-21 | 2022-03-25 | 北京有竹居网络技术有限公司 | Antenna control method, device and antenna system |
| WO2022062239A1 (en) * | 2020-09-28 | 2022-03-31 | 珠海格力电器股份有限公司 | Antenna structure and feed point switching method |
| CN117560031A (en) * | 2024-01-11 | 2024-02-13 | 南京芮捷电子科技有限公司 | Switchable inner and outer combined antenna and control method |
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