CN206432987U - 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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- CN206432987U CN206432987U CN201720090125.7U CN201720090125U CN206432987U CN 206432987 U CN206432987 U CN 206432987U CN 201720090125 U CN201720090125 U CN 201720090125U CN 206432987 U CN206432987 U CN 206432987U
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Abstract
The utility model embodiment provides a kind of multi-line antenna change-over switch, and applied to the terminal of the path including being made up of multiple front end antennas and 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 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 utility model embodiment can neatly build the independent assortment circuit of multiple radio-frequency modules and multiple antennas, improve Consumer's Experience.
Description
Technical field
The utility model embodiment 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
It is more and more that antenna on the ability to communicate of raising mobile phone, mobile phone is done, and arises at the historic moment, and generating needs the use according to mobile phone
Antenna for mobile phone is switched to the technology at correct position by environment.At present, using it is more be 2P2T handoff techniques, this 2P2T is cut
Technology is changed primary concern is that the main switchings collected between antenna and RF diversity antennas of RF, are not accounted 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.
Utility model content
The utility model embodiment provides a kind of multi-line antenna change-over switch, can be added to more radio-frequency modules
In antenna switching ranks, the independent assortment circuit of multiple radio-frequency modules and multiple antennas is neatly built, Consumer's Experience is improved.
On the one hand the utility model embodiment provides a kind of multi-line antenna change-over switch, applied to including by multiple front ends
The terminal of the path of antenna and multiple back end links 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 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 the switch switching
The control unit of the order control switch switching unit.
The utility model embodiment on the other hand a kind of terminal is provided, the terminal include by multiple front end antennas and it is multiple after
The path of link composition is held, the terminal also includes processor and multi-line antenna change-over switch, the multi-line antenna switching
Multiple second radio frequency interfaces of switch are connected with the back end link, multiple first radio frequencies of the multi-line antenna change-over switch
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.
The utility model embodiment provide a kind of multi-line antenna change-over switch due to including for it is the multiple before
Multiple first radio frequency interfaces that end antenna is connected respectively；For multiple second radio frequencies being connected respectively with the multiple back end link
Interface；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 to described logical
Believe between interface and the switch switching unit, the control for controlling the switch switching unit according to the switch switching command
Unit processed, so as to by more radio-frequency modules be added to antenna switching ranks in, neatly build multiple radio-frequency modules with
The independent assortment circuit of multiple antennas, improves Consumer's Experience.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
Other accompanying drawings.
Fig. 1 is a kind of structural representation for multi-line antenna change-over switch that the utility model embodiment one is provided；
Fig. 2 is a kind of structural representation for multi-line antenna change-over switch that the utility model embodiment two is provided；
Fig. 3 is first switch switching son list in a kind of multi-line antenna change-over switch that the utility model embodiment two is provided
The structural representation of member；
Fig. 4 is a kind of structural representation for multi-line antenna change-over switch that the utility model embodiment three is provided；
Fig. 5 is second switch switching son list in a kind of multi-line antenna change-over switch that the utility model embodiment three is provided
The structural representation of member；
Fig. 6 is that the logic circuit of switch switching unit internal switch in multi-line duplexer in a preferable implementation example is former
Reason figure；
Fig. 7 is the GPIO true value that multi-line duplexer is used when carrying out Switch Control in a preferable implementation example
The schematic diagram of table；
Fig. 8 is a kind of schematic block diagram for terminal that the utility model example IV is provided；
Fig. 9 is a kind of schematic block diagram for terminal that the utility model embodiment five is provided.
Embodiment
In order that those skilled in the art more fully understand the utility model scheme, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the utility model embodiment is explicitly described, it is clear that described embodiment
It is the embodiment of the utility model part, rather than whole embodiments.Based on the embodiment in the utility model, this area
The every other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, should all belong to this practicality
Novel protected scope.
Term " comprising " and their any changes in specification and claims of the present utility model and above-mentioned accompanying drawing
Shape, it is intended that covering is non-exclusive to be included.Process, method or system, product for example comprising series of steps or unit or
The step of equipment is not limited to list or unit, but alternatively also include the step of do not list or unit, or it is optional
Ground is also included for the intrinsic other steps of these processes, method, product or equipment or unit.In addition, term " first ", " the
Two " and " the 3rd " etc. are to be used to distinguish different objects, not for description particular order.
Fig. 1 is a kind of structural representation for multi-line antenna change-over switch that the utility model embodiment one is provided, and this is more
Wire Antennas switches switch application in the terminal of the path including being made up of multiple front end antennas and multiple back end links.In order to just
Part related to the present embodiment is illustrate only in explanation.
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
Member 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
The radio frequency interface of two groups of symmetric designs, supports 0.5~6GHZ radiofrequency signal connection, wherein, first and second are used only for area
Divide different groups, when implementing, the front end antenna and the back end link can connect this two groups of radio frequencies respectively 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 with the connection of multiple front end antennas of the terminal
During combination, the design being connected to multiple compatible back end links on same front end antenna is met, is made in terminal input
With it is preceding, it is necessary to designer determine each different back end link using identical front end antenna when whether there is mutual interference, if
It is compatible or mutual exclusion to put between each back end link.
In the present embodiment, be provided between each back end link be compatible or mutual exclusion after, in actual use process
Described in terminal processor can be according to user operation and each back end link between compatibility be each back end link choosing
The front end antenna of general character best performance is selected, and corresponding antenna is generated according to the selection front end antenna for each back end link and is switched
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, it can be switched according to the antenna switching command between the multiple front end antenna and the multiple back end link
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 for the 2.8V that external power source gets for the multi-line antenna change-over switch 1 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 what is be connected respectively with the multiple back end link
Multiple second radio frequency interface A1~An；The switch for being connected for the processor with the terminal and receiving the processor input 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
The control unit 12 that switching command controls the switch switching unit 13 is switched, so as to which 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, Consumer's Experience is improved.
Fig. 2 is a kind of structural representation for multi-line antenna change-over switch that the utility model embodiment two is provided, and this is more
Wire Antennas switches switch application in the terminal of the path including being made up of multiple front end antennas and multiple back end links.Fig. 3 is
The structural representation of first switch switching subelement in a kind of multi-line antenna change-over switch that the utility model embodiment two is provided
Figure.Part related to the present embodiment is illustrate only for convenience of description.
Referring to shown in Fig. 2 and Fig. 3, in the present embodiment, the switch switching unit 13 includes penetrating 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)s of second radio frequency interface；
In each 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 for receiving the switch switching command that the communication interface 11 is inputted
(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 the single-pole single-throw switch (SPST) of each 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 input and external power source company
Connect, and output end is connected with the clock interface 111 and the data-interface 112, for for the clock interface 111 and described
The VMIPI interfaces 14 that data-interface 112 is powered.Wherein, the external power source is the multi-line antenna change-over switch 1
The direct current for the 1.8V that VMIPI interfaces 14 are got from the power supply of the terminal.
It is preferred that, in implementing example one, the front end antenna of the terminal include WIFI/BT antennas, gps antenna,
The main collection antennas of RF and RF diversity antennas, the back end link of the terminal include 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 in the switch switching subelement with aforementioned four front end antenna independent assortment communication line, and each, cut by switch
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, for making the holding of clock of the processor and the multi-line antenna change-over switch 1 same
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 according to the control logic that is currently needed for and corresponding hold
Switching command is closed to the MIPI front-end controls interface 121, is included in these instructions to each specific single-pole single-throw switch (SPST)
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 to correspond to, the address code of 16 single-pole single-throw switch (SPST)s is corresponding to open from 1~16 arrangement
If closing switching command 1,000 0,100 00010010, it is conducting to mean that switch 1,6,12,15, and other switches are then disconnected
Open.
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 the control of 16 single-pole single-throw switch (SPST)s 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 122 pairs of first decoding drive unit switch switching command is decoded, 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 to each switch line transmission to each
The control end of single-pole single-throw switch (SPST), so that each single-pole single-throw switch (SPST) controls itself according to the binary-coded character being respectively received
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 for multi-line antenna change-over switch that the utility model embodiment three is provided, and this is more
Wire Antennas switches switch application in the terminal of the path including being made up of multiple front end antennas and multiple back end links.Fig. 5 is
The structural representation of second switch switching subelement in a kind of multi-line antenna change-over switch that the utility model embodiment three is provided
Figure.Part related to the present embodiment is illustrate only for convenience of description.
Referring to shown in Fig. 4 and Fig. 5, in the present embodiment, the switch switching unit 13 includes penetrating 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 with the one-to-one multiple output ends of 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
Member 12.
Further, in the present embodiment, the communication interface 11 includes being used to receive the switch that the processor is sent
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 respectively with it is each in the switch switching unit 13
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 for GPIO truth tables control each single pole multiple throw put.
It is preferred that, in implementing example one, the front end antenna of the terminal include WIFI/BT antennas, gps antenna,
The main collection antennas of RF and RF diversity antennas, the back end link of the terminal include 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 hilted broadsword four connect four respectively
Different front end antennas, the control end connection described control unit 12 of the throw switch of 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 are after the switch switching command that the processor for receiving the terminal is sent, meeting
The switch switching command is transferred to the level conversion unit 123, is converted into pair 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 on off state of 5 binary-coded characters correspondence, then the switch switching unit 13 can only at most support 32 kinds
The combination of switching circuit, when carrying out multi-thread way switch handover operation, it is necessary to pre-establish GPIO truth tables to state every group
The state for the switch corresponding to 5 binary-coded characters that GPIO control interfaces are received, so as to second decoding drive unit
124 change into the control signal of 4 groups of throw switches 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；In addition, 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 for terminal that the utility model example IV is provided.Only show for convenience of description
Part related to the present embodiment is gone out.
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 links 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, which 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
Switch in ranks, neatly build the independent assortment circuit of multiple radio-frequency modules and multiple antennas, improve Consumer's Experience.
Fig. 9 is a kind of schematic block diagram for terminal that the utility model embodiment five is provided.Only show for convenience of description
Part related to the present embodiment is gone out.
Shown in Figure 9, a kind of terminal 200 that the present embodiment is provided includes：
Be stored with journey in processor 2, bus 3, memory (memory) 4 and input/output interface 6, the memory 4
Sequence 5.
Wherein, the input/output interface 6 can include multiple front end antenna N1~Nn, multiple back end links 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 collection of the utility model embodiment
Into circuit.
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 is selected according to the multiple back end link, the multiple back end link selects front end successively
Antenna.
It is preferred that, 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.
It is preferred that, 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 the 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, and the multiple back end link selects front end antenna successively.
It is preferred that, 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 back end link corresponding to current priority is data transmit-receive link used in non-GPS, according to the end
Termination receives the front end that the signal intensity or signal quality of signal select current transceiving data best performance for the back end link
Antenna.
It is preferred that, 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
Switch in ranks, neatly build the independent assortment circuit of multiple radio-frequency modules and multiple antennas, improve Consumer's Experience.
Unit in the utility model embodiment device can be combined, divided and deleted according to actual needs, the above
Described is only preferred embodiment of the present utility model, all in essence of the present utility model not to limit the utility model
Any modifications, equivalent substitutions and improvements for being made etc. within god and principle, should be included in protection domain of the present utility model it
It is interior.
Claims (10)
1. a kind of multi-line antenna change-over switch, it is characterised in that applied to including by multiple front end antennas and multiple rear end chains
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 the 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 subelements of multiple first radio frequency interfaces are stated, the first switch switching subelement includes
With the one-to-one multiple single-pole single-throw switch (SPST)s of second radio frequency interface；
In each first switch switching subelement, one end of the multiple single-pole single-throw switch (SPST) connect altogether after connection with it is described
The first radio frequency interface corresponding to switching subelement is switched, 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, cuts for parsing the switch switching command, and according to the analysis result control switch
Change the first decoding drive unit of the on off state of the single-pole single-throw switch (SPST) of each 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 for 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 with the one-to-one multiple output ends of 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 includes being used to receive
The multiple GPIO control interfaces for the switch switching command that the processor is sent, the multiple GPIO interface with the processor
Connection；
Described control unit includes：
It is connected with the multiple GPIO interface, the switch switching command for the multiple GPIO interface to be inputted is converted into multiple
The level conversion unit of level signal；
Input is connected with the level conversion unit, output end respectively with each hilted broadsword in the switch switching unit more throw out
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090125.7U CN206432987U (en) | 2017-01-20 | 2017-01-20 | A kind of multi-line antenna change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090125.7U CN206432987U (en) | 2017-01-20 | 2017-01-20 | A kind of multi-line antenna change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206432987U true CN206432987U (en) | 2017-08-22 |
Family
ID=59590538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720090125.7U Expired - Fee Related CN206432987U (en) | 2017-01-20 | 2017-01-20 | A kind of multi-line antenna change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206432987U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849987A (en) * | 2017-01-20 | 2017-06-13 | 深圳市金立通信设备有限公司 | A kind of antenna switching control method and terminal |
| CN114488248A (en) * | 2022-01-24 | 2022-05-13 | 上海移柯通信技术股份有限公司 | GNSS-based object posture detection system, method, device and medium |
| WO2022257592A1 (en) * | 2021-06-11 | 2022-12-15 | 荣耀终端有限公司 | Switch switching method and related device |
| CN117391035A (en) * | 2023-12-11 | 2024-01-12 | 成都电科星拓科技有限公司 | Chip with self-defined pin function and implementation method |
-
2017
- 2017-01-20 CN CN201720090125.7U patent/CN206432987U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849987A (en) * | 2017-01-20 | 2017-06-13 | 深圳市金立通信设备有限公司 | A kind of antenna switching control method and terminal |
| WO2022257592A1 (en) * | 2021-06-11 | 2022-12-15 | 荣耀终端有限公司 | Switch switching method and related device |
| CN114488248A (en) * | 2022-01-24 | 2022-05-13 | 上海移柯通信技术股份有限公司 | GNSS-based object posture detection system, method, device and medium |
| CN117391035A (en) * | 2023-12-11 | 2024-01-12 | 成都电科星拓科技有限公司 | Chip with self-defined pin function and implementation method |
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