CN106788577A - A kind of multi-line antenna change-over switch - Google Patents
A kind of multi-line antenna change-over switch Download PDFInfo
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- CN106788577A CN106788577A CN201710045483.0A CN201710045483A CN106788577A CN 106788577 A CN106788577 A CN 106788577A CN 201710045483 A CN201710045483 A CN 201710045483A CN 106788577 A CN106788577 A CN 106788577A
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- switch
- interface
- switch switching
- radio frequency
- line antenna
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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
- 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
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0825—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with main and with auxiliary or diversity antennas
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the present invention provides a kind of multi-line antenna change-over switch, is applied to include the terminal of the path being made up of multiple front end antennas and multiple back end links, and the multi-line antenna change-over switch includes：For multiple first radio frequency interfaces being connected respectively with the multiple front end antenna；For multiple second radio frequency interfaces being connected respectively with the multiple back end link；The communication interface of the switch switching command of the processor input is connected and received for the processor with the terminal；It is connected to the switch switching unit between first radio frequency interface and second radio frequency interface；And, it is connected between the communication interface and the switch switching unit, the control unit for controlling the switch switching unit according to the switch switching command.The embodiment of the present invention can neatly build the independent assortment circuit of multiple radio-frequency modules and multiple antennas, improve Consumer's Experience.
Description
Technical field
The embodiment of the present invention belongs to radio frequency arts, more particularly to a kind of multi-line antenna change-over switch.
Background technology
At present, direction of the smart mobile phone just towards multi-functional, miniaturization and Low emissivity loss is developed, intelligent mobile phone antenna
The performance for receiving electromagnetic wave directly determines that mobile phone radiation receives the performance of electromagnetic wave signal, influences the ability to communicate of mobile phone.In order to
The ability to communicate of mobile phone is improved, it is more and more that the antenna on mobile phone does, and arises at the historic moment, generate the use needed according to mobile phone
Antenna for mobile phone is switched to environment the technology at correct position.At present, using it is more be 2P2T handoff techniques, this 2P2T cuts
Technology is changed primary concern is that the main switchings collected between antenna and RF diversity antennas of RF, do not account for WIFI/BT, GPS etc.
Using the radio-frequency module increasingly popularized be also added to antenna switch ranks in, it is impossible to flexibly build multiple radio-frequency modules with
The independent assortment circuit of multiple antennas, reduces the experience of user.
The content of the invention
The embodiment of the present invention provides a kind of multi-line antenna change-over switch, more radio-frequency modules can be added into antenna
In switching ranks, the independent assortment circuit of multiple radio-frequency modules and multiple antennas is neatly built, improve Consumer's Experience.
On the one hand the embodiment of the present invention provides a kind of multi-line antenna change-over switch, is applied to include by multiple front end antennas
The terminal of the path constituted with multiple back end links, the multi-line antenna change-over switch includes：
For multiple first radio frequency interfaces being connected respectively with the multiple front end antenna；
For multiple second radio frequency interfaces being connected respectively with the multiple back end link；
The communication that the switch switching command of the processor input is connected and received for the processor with the terminal connects
Mouthful；
It is connected to the switch switching unit between first radio frequency interface and second radio frequency interface；
And, it is connected between the communication interface and the switch switching unit, for being referred to according to switch switching
The control unit of the order control switch switching unit.
On the other hand the embodiment of the present invention provides a kind of terminal, and the terminal is included by multiple front end antennas and multiple rear ends chain
The path of road composition, the terminal also includes processor and multi-line antenna change-over switch, the multi-line antenna change-over switch
Multiple second radio frequency interfaces be connected with the back end link, multiple first radio frequency interfaces of the multi-line antenna change-over switch
It is connected with the front end antenna, the communication interface of the multi-line antenna change-over switch is connected with the processor.
A kind of multi-line antenna change-over switch provided in an embodiment of the present invention due to including for the multiple front end day
Multiple first radio frequency interfaces that line is connected respectively；For being connect with multiple second radio frequencies that the multiple back end link is connected respectively
Mouthful；The communication interface of the switch switching command of the processor input is connected and received for the processor with the terminal；Even
It is connected on the switch switching unit between first radio frequency interface and second radio frequency interface；And, it is connected to the communication
Between interface and the switch switching unit, the control for controlling the switch switching unit according to the switch switching command
Unit, such that it is able to by more radio-frequency modules be added to antenna switching ranks in, neatly build multiple radio-frequency modules with it is many
The independent assortment circuit of individual antenna, improves Consumer's Experience.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, can also obtain other attached according to these accompanying drawings
Figure.
Fig. 1 is a kind of structural representation of multi-line antenna change-over switch that the embodiment of the present invention one is provided；
Fig. 2 is a kind of structural representation of multi-line antenna change-over switch that the embodiment of the present invention two is provided；
Fig. 3 is first switch switching subelement in a kind of multi-line antenna change-over switch that the embodiment of the present invention two is provided
Structural representation；
Fig. 4 is a kind of structural representation of multi-line antenna change-over switch that the embodiment of the present invention three is provided；
Fig. 5 is second switch switching subelement in a kind of multi-line antenna change-over switch that the embodiment of the present invention three is provided
Structural representation；
Fig. 6 is that the logic circuit of multi-line duplexer breaker in middle switch unit internal switch in a preferable implementation example is former
Reason figure；
Fig. 7 is the GPIO true value that multi-line duplexer is used when Switch Control is carried out in a preferable implementation example
The schematic diagram of table；
Fig. 8 is a kind of schematic block diagram of terminal that the embodiment of the present invention four is provided；
Fig. 9 is a kind of schematic block diagram of terminal that the embodiment of the present invention five is provided.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is explicitly described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is the present invention one
The embodiment divided, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, should all belong to the scope of protection of the invention.
In description and claims of this specification and above-mentioned accompanying drawing term " including " and their any deformations, meaning
Figure is to cover non-exclusive including.Process, method or system, product or equipment for example comprising series of steps or unit do not have
The step of having listed or unit are defined in, but alternatively also include the step of not listing or unit, or alternatively also wrapped
Include for these processes, method, product or other intrinsic steps of equipment or unit.Additionally, term " first ", " second " and
" 3rd " etc. is for distinguishing different objects, not for description particular order.
Fig. 1 is a kind of structural representation of multi-line antenna change-over switch that the embodiment of the present invention one is provided, the multi-line
Antenna change-over switch is applied to include the terminal of the path being made up of multiple front end antennas and multiple back end links.For the ease of saying
It is bright to illustrate only part related to the present embodiment.
Shown in Figure 1, a kind of multi-line antenna change-over switch 1 that the present embodiment is provided includes：
For the multiple first radio frequency interface K1~Kn being connected respectively with the multiple front end antenna；
For the multiple second radio frequency interface A1~An being connected respectively with the multiple back end link；
The communication that the switch switching command of the processor input is connected and received for the processor with the terminal connects
Mouth 11；
The switch switching being connected between the first radio frequency interface K1~Kn and the second radio frequency interface A1~An is single
Unit 13；
And, it is connected between the communication interface 11 and the switch switching unit 13, for being cut according to the switch
Change the control unit 12 of the instruction control switch switching unit 13.
In the present embodiment, the multiple first radio frequency interface K1~Kn and the multiple second radio frequency interface A1~An are
Two groups of radio frequency interfaces of symmetric design, support the radiofrequency signal connection of 0.5~6GHZ, wherein, first and second are used only for area
Divide different groups, when implementing, the front end antenna and the back end link can respectively connect this two groups of radio frequencies and connect
Any group of in mouthful.Wherein, it is the multiple to represent two or more.
In the present embodiment, the multiple back end link is carried out in the connection of the multiple front end antennas with the terminal
During combination, the design being connected to multiple compatible back end links on same front end antenna is met, make in terminal input
With it is preceding, it is necessary to designer determine each different back end link when using identical front end antenna with the presence or absence of mutual interference, if
It is compatible or mutual exclusion to put between each back end link.
In the present embodiment, be provided with each back end link between be compatible or mutual exclusion after, in actually used process
Described in terminal processor can according to the compatibility between the operation of user and each back end link be each back end link choosing
The front end antenna of general character best performance is selected, and corresponding antenna switching is generated according to the selection front end antenna for each back end link
Control instruction is sent to the multi-line antenna change-over switch 1, and the multi-line antenna change-over switch 1 is receiving the antenna
After switching command, can be switched between the multiple front end antenna and the multiple back end link according to the antenna switching command
Connection.
In the present embodiment, the multi-line antenna change-over switch is also connected including input with external power source, and output
End is connected with the switch switching unit 13, for the power interface VDD powered for the switch switching unit 13.Wherein, institute
State the direct current that external power source is the 2.8V that the multi-line antenna change-over switch 1 gets from the power supply of the terminal.
In the present embodiment, the multi-line antenna change-over switch also includes the number being connected with the switch switching unit 13
Word earth terminal GND1 and power supply negative terminal GND2.Wherein, the digital grounding end GND1 and the power supply negative terminal GND2 are grounded.
Above as can be seen that the present embodiment provide a kind of multi-line antenna change-over switch 1 due to including for it is described
Multiple first radio frequency interface K1~Kn that multiple front end antennas are connected respectively；For being connected respectively with the multiple back end link
Multiple the second radio frequency interface A1~An；The switch that the processor input is connected and received for the processor with the terminal is cut
Change the communication interface 11 of instruction；It is connected between the first radio frequency interface K1~Kn and the second radio frequency interface A1~An
Switch switching unit 13；And, it is connected between the communication interface 11 and the switch switching unit 13, for according to described
Switch switching command controls the control unit 12 of the switch switching unit 13, such that it is able to more Anneta modules are added to
In antenna switching ranks, the independent assortment circuit of multiple radio-frequency modules and multiple antennas is neatly built, improve Consumer's Experience.
Fig. 2 is a kind of structural representation of multi-line antenna change-over switch that the embodiment of the present invention two is provided, the multi-line
Antenna change-over switch is applied to include the terminal of the path being made up of multiple front end antennas and multiple back end links.Fig. 3 is this hair
The structural representation of first switch switching subelement in a kind of multi-line antenna change-over switch that bright embodiment two is provided.In order to just
Part related to the present embodiment is illustrate only in explanation.
Referring to shown in Fig. 2 and Fig. 3, in the present embodiment, the switch switching unit 13 includes being penetrated with the multiple first
The one-to-one multiple first switch switching subelements of frequency interface K1~Kn, the first switch switching subelement include with it is described
The one-to-one multiple single-pole single-throw switch (SPST) of second radio frequency interface；
In each described first switch switching subelement, one end of the multiple single-pole single-throw switch (SPST) connect altogether after connection with
The first radio frequency interface corresponding to the switch switching subelement, the other end of the multiple single-pole single-throw switch (SPST) connects institute respectively
Multiple second radio frequency interface A1~An are stated, the control end of the multiple single-pole single-throw switch (SPST) connects described control unit 12 respectively.
Further, in the present embodiment, described control unit 12 includes：
It is connected with the communication interface 11, the MIPI of the switch switching command for receiving the input of the communication interface 11
(Mobile Industry Processor Interface, mobile Industry Processor Interface) front-end control interface 121；And
Input is connected with the MIPI front-end controls interface 121, and output end respectively with the switch switching unit
The control end connection of each single-pole single-throw switch (SPST) in 13, for parsing the switch switching command, and according to analysis result control
First decoding drive unit 122 of the on off state of each single-pole single-throw switch (SPST) in the switch switching unit 13.
Further, in the present embodiment, the communication interface 11 includes：
Input is connected with processor, and output end is connected with the MIPI front-end controls interface 121, for transmitting clock
The clock interface 111 of signal；And
Input is connected with processor, and output end is connected with the MIPI front-end controls interface 121, for transmitting switch
The data-interface 112 of switching command.
Further, in the present embodiment, the multi-line antenna change-over switch 1 also includes that input connects with external power source
Connect, and output end is connected with the clock interface 111 and the data-interface 112, for being the clock interface 111 and described
The VMIPI interfaces 14 of the power supply of data-interface 112.Wherein, the external power source is the multi-line antenna change-over switch 1
The direct current of the 1.8V that VMIPI interfaces 14 get from the power supply of the terminal.
Preferably, in implementing example one, the front end antenna of the terminal include WIFI/BT antennas, gps antenna,
Main collection antenna and the RF diversity antennas of RF, the back end link of the terminal includes WIFI/BT modules, GPS module, the main collection modules of RF
And RF diversity modules, then the switch switching unit 13 then include four respectively with the WIFI/BT modules, GPS module,
RF it is main collection module and RF diversity modules it is corresponding, for control the WIFI/BT modules, GPS module, RF it is main collection module and
RF diversity module is in the switch switching subelement with aforementioned four front end antenna independent assortment communication line, and each switch is cut
Changing subelement includes four single-pole single-throw switch (SPST)s, and one end of four single-pole single-throw switch (SPST)s connects corresponding control after connecing altogether
The back end link of system, the other end of four single-pole single-throw switch (SPST)s connects four different front end antennas, described four respectively
The control end connection described control unit 12 of single-pole single-throw switch (SPST).
In the present embodiment, the processor of the terminal passes through the clock interface 111 and the two-way of the data-interface 112
Circuit is connected with the MIPI front-end controls interface 121 in described control unit 12, wherein, the circuit of the clock interface 111 is passed
Defeated is the square wave of fixed frequency, same for making the holding of clock of the processor and the multi-line antenna change-over switch 1
Step, the data of the line transmission of the data-interface 112 are to be used to control each hilted broadsword in the switch switching unit 13 for a string
The binary-coded character of the on off state of single-throw switch.
In the present embodiment, the processor of the terminal can send a string and corresponding hold according to the control logic that is currently needed for
Switching command is closed to the MIPI front-end controls interface 121, is included to each specific single-pole single-throw switch (SPST) in these instructions
State control, such as：0 represents that switch is opened, and 1 represents switch closure, then cut with 16 binary switches are included
Change instruction and control 16 single-pole single-throw switch (SPST)s corresponding to, 16 address codes of single-pole single-throw switch (SPST) are corresponding to open from 1~16 arrangement
If closing switching command 1,000 0,100 0,001 0010, mean that switch 1,6,12,15 is conducting, and other switches are then
Disconnect.
In the present embodiment, the control end of each single-pole single-throw switch (SPST) in the switch switching unit 13 passes through one respectively
Root control line connects first decoding drive unit 122, for example：If the switch switching unit 13 includes 16 single-pole single-throw(SPSTs
Switch, then first decoding drive unit 122 is connected respectively to 16 controls of single-pole single-throw switch (SPST) by 16 control lines
End.The MIPI front-end controls interface 121 is used only for transmitting the switch switching command, can not be used for directly control to tool
The switch order is transferred to first decoding drive unit 122 by the switch of body, the MIPI front-end controls interface 121,
After being decoded by the switch switching commands of first decoding drive unit 122 pairs, decoded each two is entered respectively
Character processed by the connection line with the control end of each single-pole single-throw switch (SPST) transmit the line transmission switched to each to each
The control end of single-pole single-throw switch (SPST), itself is controlled according to the binary-coded character being respectively received so as to each single-pole single-throw switch (SPST)
On off state.
It should be noted that the present embodiment provide multi-line antenna change-over switch in other units circuit structure and
Operation principle due to it is identical in a upper embodiment, therefore will not be repeated here.
Thus, it will be seen that a kind of multi-line antenna change-over switch that the present embodiment is provided equally can be by more days
Wire module is added in antenna switching ranks, neatly builds the independent assortment circuit of multiple radio-frequency modules and multiple antennas, carries
Consumer's Experience is risen.
Fig. 4 is a kind of structural representation of multi-line antenna change-over switch that the embodiment of the present invention three is provided, the multi-line
Antenna change-over switch is applied to include the terminal of the path being made up of multiple front end antennas and multiple back end links.Fig. 5 is this hair
The structural representation of second switch switching subelement in a kind of multi-line antenna change-over switch that bright embodiment three is provided.In order to just
Part related to the present embodiment is illustrate only in explanation.
Referring to shown in Fig. 4 and Fig. 5, in the present embodiment, the switch switching unit 13 includes being penetrated with the multiple first
The one-to-one second switch switching subelements of frequency interface K1~Kn；
The second switch switching subelement is single pole multiple throw, and the single pole multiple throw includes control end, input
End and multiple output ends one-to-one with the multiple second radio frequency interface A1~An；
The input of the single pole multiple throw connects first radio frequency interface, the single pole multiple throw it is multiple defeated
Go out end and connect the multiple second radio frequency interface A1~An respectively, the control end connection control of the single pole multiple throw is single
Unit 12.
Further, in the present embodiment, the communication interface 11 is included for receiving the switch that the processor sends
Multiple GPIO (General Purpose Input Output, universal input/output) control interface V1~Vk of switching command,
The multiple GPIO interface V1~Vk is connected with processor.
Further, in the present embodiment, described control unit 12 includes：
It is connected with the multiple GPIO interface V1~Vk, for the switch of the multiple GPIO interface V1~Vk inputs to be cut
Change the level conversion unit 123 that instruction is converted into multiple level signals；
Input is connected with the level conversion unit 123, and output end is each with the switch switching unit 13 respectively
The control end connection of individual single pole multiple throw, for multiple level signals for export according to the level conversion unit 123 and in advance
Second decoding drive unit 124 of the on off state of GPIO truth tables control each single pole multiple throw put.
Preferably, in implementing example one, the front end antenna of the terminal include WIFI/BT antennas, gps antenna,
Main collection antenna and the RF diversity antennas of RF, the back end link of the terminal includes WIFI/BT modules, GPS module, the main collection modules of RF
And RF diversity modules, then the switch switching unit 13 then include four respectively with the WIFI/BT modules, GPS module,
RF it is main collection module and RF diversity modules it is corresponding, for control the WIFI/BT modules, GPS module, RF it is main collection module and
RF diversity module is in the second switch switching subelement with aforementioned four front end antenna independent assortment communication line.Referring to Fig. 6 institutes
Show, in the implementation example, each second switch switching subelement includes a throw switch of hilted broadsword four, and the hilted broadsword four-throw is opened
The input of pass connects the back end link of corresponding control, and four output ends of the throw switch of the hilted broadsword four connect four respectively
Different front end antennas, the control end connection described control unit 12 of the throw switch of the hilted broadsword four.
In the present embodiment, the mode of the data transfer between switch switching unit 13 and the processor of terminal is different, on
Can be by a sentence disposably each list in multiple switch switching subelement using MIPI control interfaces in one embodiment
The control data of monopole single throw switch is transmitted, and is needed in the present embodiment by each to multiple GIPO interfaces come 1 and 0
To transmit data, such as, the communication interface 11 includes five GPIO control interfaces of V1~V5, V1~V5 points in the present embodiment
It is not 00100, due to there was only 5, and each throw switch of hilted broadsword four has 4 kinds of states, therefore, every group of V1~V5 can only represent one
Plant the state of switch.
In the present embodiment, the multiple GPIO control interfaces are also only for transmitting data, can not directly control tool
The switch of body, the multiple GPIO control interfaces receive the terminal processor send switch switching command after, meeting
The switch switching command is transferred to the level conversion unit 123, it is right to be converted into by the level conversion unit 123
Exported after the level signal answered to the second decoding drive unit 124, by second decoding drive unit 124 according to receiving
Electric signal controls the on off state of each throw switch of hilted broadsword four in the switch switching unit 13.
In the present embodiment, because the switch switching command that the processor of the terminal is exported only includes 5 binary words
Symbol, and a kind of every group of 5 binary-coded characters on off state of correspondence, then the switch switching unit 13 can only at most support 32 kinds
The combination of switching circuit, when multi-thread way switch handover operation is carried out, it is necessary to pre-build GPIO truth tables to state every group
The state of the switch corresponding to 5 binary-coded characters that GPIO control interfaces are received, so as to second decoding drive unit
124 change into 4 groups of control signals of the throw switch of hilted broadsword four according to the GPIO truth tables, four groups of throw switches of hilted broadsword four of control
On off state.GPIO truth tables in the present embodiment can be found in shown in Fig. 7, and the stain in figure represents current switch and the stain institute
Corresponding pin conducting.
It should be noted that the present embodiment provide multi-line antenna change-over switch in other units circuit structure and
Operation principle due to it is identical in embodiment one, therefore will not be repeated here.
Thus, it will be seen that a kind of multi-line antenna change-over switch that the present embodiment is provided equally can be by more days
Wire module is added in antenna switching ranks, neatly builds the independent assortment circuit of multiple radio-frequency modules and multiple antennas, carries
Consumer's Experience is risen；Additionally, relative to a upper embodiment, the GPIO technologies that the present embodiment is used can reduce multi-line antenna and cut
Change the pin number of switch, simplify the structure of multi-line antenna change-over switch, reduce multi-line antenna change-over switch into
This.
Fig. 8 is a kind of schematic block diagram of terminal that the embodiment of the present invention four is provided.Illustrate only for convenience of description
Part related to the present embodiment.
It is shown in Figure 8, the present embodiment provide a kind of terminal 100, the terminal 100 include by multiple front end antenna N1~
The path of Nn and multiple back end link M1~Mn compositions, the terminal 100 also includes processor 2 and multi-line antenna change-over switch
Multiple second radio frequency interface A1~An of multi-line antenna change-over switch 1 described in 1 are connected with the back end link M1~Mn, described
Multiple first radio frequency interface K1~Kn of multi-line antenna change-over switch are connected with the front end antenna N1~Nn, the multi-line
The communication interface 11 of antenna change-over switch 1 is connected with the processor 2.
In the present embodiment, it is each back end link M1 that the processor 2 is used for according to the current usage scenario of terminal 100
~Mn selects suitable front end antenna, and is cut according to corresponding switch switching command to the multi-line antenna of analysis result output
Change switch 1, make the multi-line antenna change-over switch 1 according to the switch switching command switch the multiple back end link M1~
Connection between Mn and the multiple front end antenna N1~Nn.
It should be noted that the structure and operation principle of multi-line antenna change-over switch in the present embodiment due to figure
The structure and operation principle of the multi-line antenna change-over switch provided in any embodiment shown in 1~Fig. 7 are identical, because
This, will not be repeated here.
Above as can be seen that more Anneta modules can be equally added to antenna by a kind of terminal that the present embodiment is provided
In switching ranks, the independent assortment circuit of multiple radio-frequency modules and multiple antennas is neatly built, improve Consumer's Experience.
Fig. 9 is a kind of schematic block diagram of terminal that the embodiment of the present invention five is provided.Illustrate only for convenience of description
Part related to the present embodiment.
Shown in Figure 9, a kind of terminal 200 that the present embodiment is provided includes：
Processor 2, bus 3, memory (memory) 4 and input/output interface 6, be stored with journey in the memory 4
Sequence 5.
Wherein, the input/output interface 6 can include multiple front end antenna N1~Nn, multiple back end link M1~Mn
And multi-line antenna change-over switch 1, multiple second radio frequency interface A1~An of the multi-line antenna change-over switch 1 with it is described
Back end link M1~Mn connections, multiple first radio frequency interface K1~Kn and the front end day of the multi-line antenna change-over switch
Line N1~Nn connections, the communication interface 11 of the multi-line antenna change-over switch 1 is connected with the processor 2.The input/defeated
Outgoing interface 6 is used for and external device, for example, PC, smart mobile phone etc. communicate.
Processor 2, for configuration processor 5；
Specifically, program 5 can include program code, and described program code includes computer-managed instruction.
Processor 2 is probably a central processor CPU, or specific integrated circuit ASIC (Application
Specific Integrated Circuit), or it is arranged to implement one or more integrated electricity of the embodiment of the present invention
Road.
Memory 4 may include high-speed RAM memory, it is also possible to also including nonvolatile memory (non-volatile
Memory), for example, at least one magnetic disk storage.The processor 2 is specifically for performing following steps：
Obtain the application scenarios that terminal is being currently used；
Determine that the multiple back end link selects the priority of front end antenna according to the application scenarios；
The priority of front end antenna, the multiple back end link is selected to select front end successively according to the multiple back end link
Antenna.
Preferably, the processor 2, is additionally operable to configure priority and the institute of the multiple back end link selection front end antenna
State the corresponding relation between application scenarios.
Preferably, the processor 2, is additionally operable to：
Whether the different back end link of checking can interfere with each other when using identical front end antenna；
Mutual compatibility or alternative between different back end links is set according to the result；
The priority according to the multiple back end link selection front end antenna, the multiple back end link is selected successively
Front end antenna, including：
According to mutual compatibility or alternative between the different back end link, and according to described according to multiple rear end chains
Road selects the priority of front end antenna, the multiple back end link to select front end antenna successively.
Preferably, the processor 2, is additionally operable to：
If the back end link corresponding to current priority uses data transmit-receive link by GPS, present terminal appearance is selected
The front end antenna of transceiving data best performance under state；
If the data transmit-receive link that the back end link corresponding to current priority is used by non-GPS, according to the end
The signal intensity or signal quality that termination receives signal are the front end that the back end link selects current transceiving data best performance
Antenna.
Preferably, the processor 2, is additionally operable to：
Judge whether the multiple back end link is currently used by the terminal；
The priority that the multiple back end link selects front end antenna is adjusted according to judged result.
It should be noted that the structure and operation principle of multi-line antenna change-over switch in the present embodiment due to figure
The structure and operation principle of the multi-line antenna change-over switch provided in any embodiment shown in 1~Fig. 7 are identical, because
This, will not be repeated here.
Above as can be seen that more Anneta modules can be equally added to antenna by a kind of terminal that the present embodiment is provided
In switching ranks, the independent assortment circuit of multiple radio-frequency modules and multiple antennas is neatly built, improve Consumer's Experience.
Unit in embodiment of the present invention device can according to actual needs be merged, divides and deleted, the above
Only presently preferred embodiments of the present invention, is not intended to limit the invention, all to be made within the spirit and principles in the present invention
Any modification, equivalent and improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of multi-line antenna change-over switch, it is characterised in that be applied to include by multiple front end antennas and multiple rear ends chain
The terminal of the path of road composition, the multi-line antenna change-over switch includes：
For multiple first radio frequency interfaces being connected respectively with the multiple front end antenna；
For multiple second radio frequency interfaces being connected respectively with the multiple back end link；
The communication interface of the switch switching command of the processor input is connected and received for the processor with the terminal；
It is connected to the switch switching unit between first radio frequency interface and second radio frequency interface；
And, it is connected between the communication interface and the switch switching unit, for according to switch switching command control
Make the control unit of the switch switching unit.
2. multi-line antenna change-over switch as claimed in claim 1, it is characterised in that the switch switching unit includes and institute
The one-to-one multiple first switch switching subelement of multiple first radio frequency interfaces is stated, the first switch switching subelement includes
With the one-to-one multiple single-pole single-throw switch (SPST) of second radio frequency interface；
In each described first switch switching subelement, one end of the multiple single-pole single-throw switch (SPST) connected after connecing altogether with it is described
The first radio frequency interface corresponding to switch switching subelement, the other end of the multiple single-pole single-throw switch (SPST) connects described many respectively
Individual second radio frequency interface, the control end of the multiple single-pole single-throw switch (SPST) connects described control unit respectively.
3. multi-line antenna change-over switch as claimed in claim 2, it is characterised in that described control unit includes：
It is connected with the communication interface, the MIPI front-end controls of the switch switching command for receiving the communication interface input
Interface；And
Input is connected with the MIPI front-end controls interface, and output end respectively with each list in the switch switching unit
The control end connection of monopole single throw switch, for parsing the switch switching command, and cuts according to the analysis result control switch
Change the first decoding drive unit of the on off state of each single-pole single-throw switch (SPST) in unit.
4. multi-line antenna change-over switch as claimed in claim 3, it is characterised in that the communication interface includes：
Input is connected with the processor, and output end is connected with the MIPI front-end controls interface, for transmitting clock letter
Number clock interface；And
Input is connected with the processor, and output end is connected with the MIPI front-end controls interface, is cut for receiving switch
Change the data-interface of instruction.
5. multi-line antenna change-over switch as claimed in claim 4, it is characterised in that also connect including input and external power source
Connect, and output end is connected with the clock interface and the data-interface, for being the clock interface and the data-interface
The VMIPI interfaces of power supply.
6. multi-line antenna change-over switch as claimed in claim 1, it is characterised in that the switch switching unit includes and institute
State the one-to-one second switch switching subelement of multiple first radio frequency interfaces；
The second switch switching subelement be single pole multiple throw, the single pole multiple throw include control end, input with
And multiple output ends one-to-one with the multiple second radio frequency interface；
The input of the single pole multiple throw connects first radio frequency interface, multiple output ends of the single pole multiple throw
The multiple second radio frequency interface, the control end connection described control unit of the single pole multiple throw are connected respectively.
7. multi-line antenna change-over switch as claimed in claim 6, it is characterised in that the communication interface is included for receiving
Multiple GPIO control interfaces of the switch switching command that the processor sends, the multiple GPIO interface with the processor
Connection；
Described control unit includes：
It is connected with the multiple GPIO interface, for the switch switching command that the multiple GPIO interface is input into be converted into multiple
The level conversion unit of level signal；
Input is connected with the level conversion unit, and output end is thrown out more with each hilted broadsword in the switch switching unit respectively
The control end connection of pass, for the multiple level signals exported according to the level conversion unit and preset GPIO truth table controls
Second decoding drive unit of the on off state of system each single pole multiple throw.
8. the multi-line antenna change-over switch as described in claim 5 or 7, it is characterised in that also including input and external electrical
Source connection, output end are connected with the switch switching unit, for the power interface powered for the switch switching unit.
9. multi-line antenna change-over switch as claimed in claim 8, it is characterised in that also including with the switch switching unit
The digital grounding end of connection and power supply negative terminal.
10. a kind of terminal, it is characterised in that including the path being made up of multiple front end antennas and multiple back end links, the end
End also includes processor and the multi-line antenna change-over switch as described in any one of claim 1~9, and the multi-line antenna is cut
Multiple second radio frequency interfaces for changing switch are connected with the back end link, and multiple the first of the multi-line antenna change-over switch penetrates
Frequency interface is connected with the front end antenna, and the communication interface of the multi-line antenna change-over switch is connected with the processor.
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| CN201710045483.0A CN106788577B (en) | 2017-01-20 | 2017-01-20 | Multi-line antenna change-over switch |
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| CN201710045483.0A CN106788577B (en) | 2017-01-20 | 2017-01-20 | Multi-line antenna change-over switch |
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Effective date of registration: 20210420 Address after: No. 1702-1703, 17 / F (15 / F, natural floor), Desai technology building, 9789 Shennan Avenue, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Microphone Holdings Co.,Ltd. Address before: 518040, 21 floor, Times Technology Building, 7028 Shennan Road, Futian District, Guangdong, Shenzhen Patentee before: DONGGUAN GOLDEX COMMUNICATION TECHNOLOGY Co.,Ltd. |