CN111740916B - Radio frequency front-end circuit and method for realizing directional antenna function of wireless router - Google Patents
Radio frequency front-end circuit and method for realizing directional antenna function of wireless router Download PDFInfo
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- CN111740916B CN111740916B CN202010475633.3A CN202010475633A CN111740916B CN 111740916 B CN111740916 B CN 111740916B CN 202010475633 A CN202010475633 A CN 202010475633A CN 111740916 B CN111740916 B CN 111740916B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/60—Router architectures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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Abstract
The invention provides a radio frequency front-end circuit and a method for realizing the directional antenna function of a wireless router, which comprises the following steps: a radio frequency transceiver module of the wireless router; an antenna of the wireless router; the first change-over switch and the second change-over switch respectively comprise three ends, the first end of the first change-over switch is connected with the first end of the second change-over switch, the second end of the first change-over switch is connected with the radio frequency transceiving module, and the second end of the second change-over switch is connected with the antenna; and one end of the direction backtracking radio frequency module is connected with the third end of the first change-over switch, and the other end of the direction backtracking radio frequency module is connected with the third end of the second change-over switch. The invention provides a method for realizing directional signal transmission of an antenna by adopting a direction backtracking technology and using a radio frequency circuit at the front end of the antenna under the mode of not changing the antenna design of the existing wireless router, and is compatible with the omnidirectional antenna design.
Description
Technical Field
The invention relates to a radio frequency front-end circuit and a method applied to a wireless router and used for realizing the directional antenna function of the wireless router.
Background
The antennas used by the existing wireless router are mostly omnidirectional antennas, receive and transmit radio frequency signals in an omnidirectional state, and have the advantage of wide coverage. However, when the number of people in the coverage area of the wireless router is small, energy is wasted, and efficiency is low.
Disclosure of Invention
The invention aims to provide a radio frequency front-end circuit which is applied to a wireless router and can realize the directional antenna function of the wireless router and a realization method thereof.
According to an aspect of the present invention, there is provided a radio frequency front end circuit applied to a wireless router for implementing a directional antenna function thereof, including:
a radio frequency transceiver module of the wireless router;
an antenna of the wireless router;
the first change-over switch and the second change-over switch respectively comprise three ends, the first end of the first change-over switch is connected with the first end of the second change-over switch, the second end of the first change-over switch is connected with the radio frequency transceiving module, and the second end of the second change-over switch is connected with the antenna;
and one end of the direction backtracking radio frequency module is connected with the third end of the first change-over switch, and the other end of the direction backtracking radio frequency module is connected with the third end of the second change-over switch.
Further, in the radio frequency front-end circuit for implementing the directional antenna function of the wireless router, the first switch and the second switch are single-pole double-throw switches, respectively.
Further, in the radio frequency front-end circuit for implementing the directional antenna function of the wireless router, the first switch and the second switch are used for respectively communicating the radio frequency transceiver module and the direction backtracking radio frequency module when the number of the terminals detected by the antenna is less than or equal to a preset threshold value, and simultaneously the second switch is respectively communicated with the direction backtracking radio frequency module and the antenna;
and when the number of the detected terminals is larger than a preset threshold value, the first switch is respectively communicated with the radio frequency transceiver module and the second switch, and meanwhile, the second switch is respectively communicated with the first switch and the antenna.
Further, in the radio frequency front-end circuit for implementing the directional antenna function of the wireless router, the preset threshold is 4.
According to another aspect of the present invention, there is also provided a method for implementing a directional antenna function of a wireless router, the method including:
connecting a first end of the first change-over switch with a first end of the second change-over switch;
connecting a second end of the first change-over switch with a radio frequency transceiving module of the wireless router, and connecting a second end of the second change-over switch with an antenna of the wireless router;
and connecting one end of the direction backtracking radio frequency module with the third end of the first change-over switch, and connecting the other end of the direction backtracking radio frequency module with the third end of the second change-over switch.
Further, before connecting the first terminal of the first switch with the first terminal of the second switch, the method further includes:
and a single-pole double-throw switch is respectively used as the first change-over switch and the second change-over switch.
Further, in the above method, after connecting one end of the direction backtracking rf module to the third end of the first switch and connecting the other end of the direction backtracking rf module to the third end of the second switch, the method further includes:
when the number of the detected terminals is less than or equal to a preset threshold value, the first switch is respectively communicated with the radio frequency transceiver module and the direction backtracking radio frequency module, and meanwhile, the second switch is respectively communicated with the direction backtracking radio frequency module and the antenna;
when the antennas detect that the number of the terminals is larger than a preset threshold value, the first change-over switch is respectively communicated with the radio frequency transceiver module and the second change-over switch, and meanwhile, the second change-over switch is respectively communicated with the first change-over switch and the antennas.
Further, in the foregoing method, the preset threshold is 4.
According to another aspect of the present invention, there is also provided a computing-based device, comprising:
a processor; and
a memory arranged to store computer executable instructions that, when executed, cause the processor to:
connecting a first end of the first change-over switch with a first end of the second change-over switch;
connecting a second end of the first change-over switch with a radio frequency transceiving module of the wireless router, and connecting a second end of the second change-over switch with an antenna of the wireless router;
and connecting one end of the direction backtracking radio frequency module with the third end of the first change-over switch, and connecting the other end of the direction backtracking radio frequency module with the third end of the second change-over switch.
According to another aspect of the present invention, there is also provided a computer-readable storage medium having stored thereon computer-executable instructions, wherein the computer-executable instructions, when executed by a processor, cause the processor to:
connecting a first end of the first change-over switch with a first end of the second change-over switch;
connecting a second end of the first change-over switch with a radio frequency transceiving module of the wireless router, and connecting a second end of the second change-over switch with an antenna of the wireless router;
and connecting one end of the direction backtracking radio frequency module with the third end of the first change-over switch, and connecting the other end of the direction backtracking radio frequency module with the third end of the second change-over switch.
Compared with the prior art, the invention comprises the following steps: a radio frequency transceiver module of the wireless router; an antenna of the wireless router; the first change-over switch and the second change-over switch respectively comprise three ends, the first end of the first change-over switch is connected with the first end of the second change-over switch, the second end of the first change-over switch is connected with the radio frequency transceiving module, and the second end of the second change-over switch is connected with the antenna; and one end of the direction backtracking radio frequency module is connected with the third end of the first change-over switch, and the other end of the direction backtracking radio frequency module is connected with the third end of the second change-over switch. The direction backtracking antenna technology can automatically track the direction of an incoming wave signal, has excellent wave number automatic guiding performance and has wide prospect in short-distance wireless communication. On the basis of the existing wireless router, a direction backtracking radio frequency module is added between the radio frequency transceiver module and each antenna independently. The invention provides a method for realizing directional signal transmission of an antenna by adopting a direction backtracking technology and using a radio frequency circuit at the front end of the antenna under the mode of not changing the antenna design of the existing wireless router, and is compatible with the omnidirectional antenna design.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 shows a schematic diagram of a directional antenna applied to a wireless router according to an embodiment of the present invention.
The same or similar reference numbers in the drawings identify the same or similar elements.
Detailed Description
The present invention is described in further detail below with reference to the attached drawing figures.
In a typical configuration of the present application, the terminal, the device serving the network, and the trusted party each include one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include non-transitory computer readable media (transient media), such as modulated data signals and carrier waves.
As shown in fig. 1, the present invention provides a radio frequency front end circuit for implementing a directional antenna function of a wireless router, including:
a radio frequency transceiver module 1 of the wireless router;
an antenna 2 of the wireless router;
the radio frequency transceiver module comprises a first switch 4 and a second switch 5, wherein the first switch 4 and the second switch 5 respectively comprise three ends, the first end of the first switch 4 is connected with the first end of the second switch 5, the second end of the first switch 4 is connected with the radio frequency transceiver module 1, and the second end of the second switch 5 is connected with the antenna 2;
the direction backtracking radio frequency module 3 is connected with the third end of the first switch 4, and one end of the direction backtracking radio frequency module 3 is connected with the third end of the second switch 5.
Specifically, the direction backtracking antenna technology can automatically track the direction of an incoming wave signal, has excellent wave number automatic guiding performance and has wide prospect in short-distance wireless communication. On the basis of the existing wireless router, a direction backtracking radio frequency module is added between the radio frequency transceiver module and each antenna independently. The invention provides a method for realizing directional signal transmission of an antenna by adopting a direction backtracking technology and using a radio frequency circuit at the front end of the antenna under the mode of not changing the antenna design of the existing wireless router, and is compatible with the omnidirectional antenna design.
In an embodiment of the rf front-end circuit for implementing a directional antenna function of a wireless router, the first switch 4 and the second switch 5 are single pole double throw switches (SPDT switches), respectively.
In an embodiment of the directional antenna applied to the wireless router, the first switch 4 and the second switch 5 are configured to, when the antenna 2 detects that the number of the terminals 6 is less than or equal to a preset threshold, respectively communicate the radio frequency transceiver module 1 and the direction backtracking radio frequency module 3 with the first switch 4, and simultaneously communicate the direction backtracking radio frequency module 3 and the antenna 2 with the second switch 5;
and when the antenna 2 detects that the number of the terminals 6 is greater than a preset threshold value, the first switch 4 is respectively communicated with the radio frequency transceiver module 3 and the second switch 4, and meanwhile, the second switch 5 is respectively communicated with the first switch 4 and the antenna 2.
Specifically, the router can detect the number of terminals connected to the router, and track the incoming wave direction by using the direction backtracking radio frequency module to obtain the position information of the terminal.
When detecting that the number of people is more in the environment, and the crowd is dispersed, the signal does not move towards the radio frequency module of traceing back, directly through two SPDT switches, realizes the direct transmission from the antenna to radio frequency transceiver module of signal to realize the coverage of high range.
When it is detected that there are few terminals (for example, less than or equal to 4) in the environment or terminals are relatively concentrated (for example, a terminal group is less than or equal to 4), at this time, through two SPDT switches, a signal passes through the direction backtracking radio frequency module, and one or more antennas can be individually configured to one terminal or terminal group, so as to implement a directional transmission function of the antenna, and improve the effectiveness of signal transmission.
In an embodiment of the radio frequency front-end circuit for implementing a directional antenna function of a wireless router, the preset threshold is 4.
As shown in fig. 1, the present invention further provides a method for implementing a directional antenna function of a wireless router, including:
connecting a first end of the first change-over switch with a first end of the second change-over switch;
connecting a second end of the first change-over switch with a radio frequency transceiving module of the wireless router, and connecting a second end of the second change-over switch with an antenna of the wireless router;
and connecting one end of the direction backtracking radio frequency module with the third end of the first change-over switch, and connecting the other end of the direction backtracking radio frequency module with the third end of the second change-over switch.
Specifically, the direction backtracking antenna technology can automatically track the direction of an incoming wave signal, has excellent wave number automatic guiding performance and has wide prospect in short-distance wireless communication. On the basis of the existing wireless router, a direction backtracking radio frequency module is added between the radio frequency transceiver module and each antenna independently. The invention provides a method for realizing directional signal transmission of an antenna by adopting a direction backtracking technology and using a radio frequency circuit at the front end of the antenna under the mode of not changing the antenna design of the existing wireless router, and is compatible with the omnidirectional antenna design.
In an embodiment of the method for implementing a directional antenna function of a wireless router of the present invention, before connecting the first end of the first switch with the first end of the second switch, the method further includes:
a single pole double throw switch (SPDT switch) is used as the first and second change-over switches, respectively.
In an embodiment of the method for implementing the directional antenna function of the wireless router, after connecting one end of the direction backtracking rf module with the third end of the first switch and connecting the other end of the direction backtracking rf module with the third end of the second switch, the method further includes:
when the number of the detected terminals is less than or equal to a preset threshold value, the first switch is respectively communicated with the radio frequency transceiver module and the direction backtracking radio frequency module, and meanwhile, the second switch is respectively communicated with the direction backtracking radio frequency module and the antenna;
when the antennas detect that the number of the terminals is larger than a preset threshold value, the first change-over switch is respectively communicated with the radio frequency transceiver module and the second change-over switch, and meanwhile, the second change-over switch is respectively communicated with the first change-over switch and the antennas.
Specifically, the router can detect the number of terminals connected to the router, and track the incoming wave direction by using the direction backtracking radio frequency module to obtain the position information of the terminal.
When detecting that the number of people is more in the environment, and the crowd is dispersed, the signal does not move towards the radio frequency module of traceing back, directly through two SPDT switches, realizes the direct transmission from the antenna to radio frequency transceiver module of signal to realize the coverage of high range.
When it is detected that there are few terminals (for example, less than or equal to 4) in the environment or terminals are relatively concentrated (for example, a terminal group is less than or equal to 4), at this time, through two SPDT switches, a signal passes through the direction backtracking radio frequency module, and one or more antennas can be individually configured to one terminal or terminal group, so as to implement a directional transmission function of the antenna, and improve the effectiveness of signal transmission.
In an embodiment of the method for implementing the directional antenna function of the wireless router, the preset threshold is 4.
According to another aspect of the present invention, there is also provided a computing-based device, comprising:
a processor; and
a memory arranged to store computer executable instructions that, when executed, cause the processor to:
connecting a first end of the first change-over switch with a first end of the second change-over switch;
connecting a second end of the first change-over switch with a radio frequency transceiving module of the wireless router, and connecting a second end of the second change-over switch with an antenna of the wireless router;
and connecting one end of the direction backtracking radio frequency module with the third end of the first change-over switch, and connecting the other end of the direction backtracking radio frequency module with the third end of the second change-over switch.
According to another aspect of the present invention, there is also provided a computer-readable storage medium having stored thereon computer-executable instructions, wherein the computer-executable instructions, when executed by a processor, cause the processor to:
connecting a first end of the first change-over switch with a first end of the second change-over switch;
connecting a second end of the first change-over switch with a radio frequency transceiving module of the wireless router, and connecting a second end of the second change-over switch with an antenna of the wireless router;
and connecting one end of the direction backtracking radio frequency module with the third end of the first change-over switch, and connecting the other end of the direction backtracking radio frequency module with the third end of the second change-over switch.
For details of embodiments of each device and storage medium of the present invention, reference may be made to corresponding parts of each method embodiment, and details are not described herein again.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
It should be noted that the present invention may be implemented in software and/or in a combination of software and hardware, for example, as an Application Specific Integrated Circuit (ASIC), a general purpose computer or any other similar hardware device. In one embodiment, the software program of the present invention may be executed by a processor to implement the steps or functions described above. Also, the software programs (including associated data structures) of the present invention can be stored in a computer readable recording medium, such as RAM memory, magnetic or optical drive or diskette and the like. Further, some of the steps or functions of the present invention may be implemented in hardware, for example, as circuitry that cooperates with the processor to perform various steps or functions.
In addition, some of the present invention can be applied as a computer program product, such as computer program instructions, which when executed by a computer, can invoke or provide the method and/or technical solution according to the present invention through the operation of the computer. Program instructions which invoke the methods of the present invention may be stored on a fixed or removable recording medium and/or transmitted via a data stream on a broadcast or other signal-bearing medium and/or stored within a working memory of a computer device operating in accordance with the program instructions. An embodiment according to the invention herein comprises an apparatus comprising a memory for storing computer program instructions and a processor for executing the program instructions, wherein the computer program instructions, when executed by the processor, trigger the apparatus to perform a method and/or solution according to embodiments of the invention as described above.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the apparatus claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Claims (8)
1. A radio frequency front end circuit for implementing a directional antenna function of a wireless router, comprising:
a radio frequency transceiver module of the wireless router;
an antenna of the wireless router;
the first change-over switch and the second change-over switch respectively comprise three ends, the first end of the first change-over switch is connected with the first end of the second change-over switch, the second end of the first change-over switch is connected with the radio frequency transceiver module, and the second end of the second change-over switch is connected with the antenna;
one end of the direction backtracking radio frequency module is connected with the third end of the first switch, and the other end of the direction backtracking radio frequency module is connected with the third end of the second switch;
the first switch and the second switch are used for respectively communicating the radio frequency transceiver module and the direction backtracking radio frequency module when the router detects that the number of the terminals connected to the router is less than or equal to a preset threshold value, and simultaneously, the second switch is respectively communicated with the direction backtracking radio frequency module and the antenna;
and when the router detects that the number of the terminals connected to the router is greater than a preset threshold value, the first switch is respectively communicated with the radio frequency transceiver module and the second switch, and meanwhile, the second switch is respectively communicated with the first switch and the antenna.
2. The radio frequency front end circuit for implementing a directional antenna function of a wireless router of claim 1, wherein the first and second switches are single pole double throw switches, respectively.
3. The radio frequency front-end circuit for implementing a directional antenna function of a wireless router of claim 1, wherein the preset threshold is 4.
4. A method for realizing the directional antenna function of a wireless router, wherein the method comprises the following steps:
connecting a first end of the first change-over switch with a first end of the second change-over switch;
connecting a second end of the first change-over switch with a radio frequency transceiver module of the wireless router, and connecting a second end of the second change-over switch with an antenna of the wireless router;
connecting one end of a direction backtracking radio frequency module with a third end of the first switch, and connecting the other end of the direction backtracking radio frequency module with a third end of the second switch;
one end of the direction backtracking radio frequency module is connected with the third end of the first switch, and the other end of the direction backtracking radio frequency module is connected with the third end of the second switch, and then the method further comprises the following steps:
when the router detects that the number of the terminals connected to the router is smaller than or equal to a preset threshold value, the first switch is respectively communicated with the radio frequency transceiver module and the direction backtracking radio frequency module, and meanwhile, the second switch is respectively communicated with the direction backtracking radio frequency module and the antenna;
when the router detects that the number of the terminals connected to the router is larger than a preset threshold value, the first switch is respectively communicated with the radio frequency transceiver module and the second switch, and meanwhile, the second switch is respectively communicated with the first switch and the antenna.
5. The method for implementing the directional antenna function of the wireless router as recited in claim 4, wherein before connecting the first end of the first switch with the first end of the second switch, further comprising:
and a single-pole double-throw switch is respectively used as the first change-over switch and the second change-over switch.
6. The method for implementing the directional antenna function of the wireless router as recited in claim 4, wherein the preset threshold is 4.
7. A computing-based device, comprising:
a processor; and
a memory arranged to store computer executable instructions that, when executed, cause the processor to:
connecting a first end of the first change-over switch with a first end of the second change-over switch;
connecting a second end of the first change-over switch with a radio frequency transceiver module of the wireless router, and connecting a second end of the second change-over switch with an antenna of the wireless router;
connecting one end of a direction backtracking radio frequency module with a third end of the first switch, and connecting the other end of the direction backtracking radio frequency module with a third end of the second switch;
one end of the direction backtracking radio frequency module is connected with the third end of the first switch, and the other end of the direction backtracking radio frequency module is connected with the third end of the second switch, and then the method further comprises the following steps:
when the router detects that the number of the terminals connected to the router is smaller than or equal to a preset threshold value, the first switch is respectively communicated with the radio frequency transceiver module and the direction backtracking radio frequency module, and meanwhile, the second switch is respectively communicated with the direction backtracking radio frequency module and the antenna;
when the router detects that the number of the terminals connected to the router is larger than a preset threshold value, the first switch is respectively communicated with the radio frequency transceiver module and the second switch, and meanwhile, the second switch is respectively communicated with the first switch and the antenna.
8. A computer-readable storage medium having computer-executable instructions stored thereon, wherein the computer-executable instructions, when executed by a processor, cause the processor to:
connecting a first end of the first change-over switch with a first end of the second change-over switch;
connecting a second end of the first change-over switch with a radio frequency transceiver module of the wireless router, and connecting a second end of the second change-over switch with an antenna of the wireless router;
connecting one end of a direction backtracking radio frequency module with a third end of the first switch, and connecting the other end of the direction backtracking radio frequency module with a third end of the second switch;
one end of the direction backtracking radio frequency module is connected with the third end of the first switch, and the other end of the direction backtracking radio frequency module is connected with the third end of the second switch, and then the method further comprises the following steps:
when the router detects that the number of the terminals connected to the router is smaller than or equal to a preset threshold value, the first switch is respectively communicated with the radio frequency transceiver module and the direction backtracking radio frequency module, and meanwhile, the second switch is respectively communicated with the direction backtracking radio frequency module and the antenna;
when the router detects that the number of the terminals connected to the router is larger than a preset threshold value, the first switch is respectively communicated with the radio frequency transceiver module and the second switch, and meanwhile, the second switch is respectively communicated with the first switch and the antenna.
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| KR101908063B1 (en) * | 2012-06-25 | 2018-10-15 | 한국전자통신연구원 | Direction control antenna and method for controlling of the same |
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| CN202696915U (en) * | 2012-05-14 | 2013-01-23 | 成都飞鱼星科技开发有限公司 | Intelligent type wireless router |
| CN203180925U (en) * | 2013-04-19 | 2013-09-04 | 青岛海信电器股份有限公司 | Data processing apparatus, display apparatus and television set |
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| CN111740916A (en) | 2020-10-02 |
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