CN106656248A - Antenna switching device and mobile terminal - Google Patents
Antenna switching device and mobile terminal Download PDFInfo
- Publication number
- CN106656248A CN106656248A CN201611070351.5A CN201611070351A CN106656248A CN 106656248 A CN106656248 A CN 106656248A CN 201611070351 A CN201611070351 A CN 201611070351A CN 106656248 A CN106656248 A CN 106656248A
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- CN
- China
- Prior art keywords
- antenna
- receiving path
- dpdt
- signal strength
- mobile terminal
- Prior art date
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Classifications
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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
- H04B7/0413—MIMO systems
Abstract
The embodiment of the invention provides an antenna switching device and a mobile terminal. The antenna switching device comprises an antenna switching module and a controller, wherein at least three antennae are respectively in corresponding connection with a transmitting and master receiving channel and at least two slave receiving channels through the antenna switching module; and the controller is respectively connected with a radio frequency transceiver circuit and the antenna switching module, when the mobile terminal is in a non-sleep mode, the controller determines the antenna with the highest received signal strength in the at least three antennae which are connected with the antenna switching module every preset time and controls the antenna switching module to switch the transmitting and master receiving channel to connect with the antenna with the highest received signal strength. According to the antenna switching device and the mobile terminal provided by the embodiment of the invention, each downlink antenna can be guaranteed to receive signals simultaneously, and the antenna with the highest received signal strength in the at least three antennae can also be randomly selected to transmit uplink signals, the defects of the prior art can be solved, and the communication quality of the mobile terminal can be greatly improved.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of antenna-switching device and a kind of mobile terminal.
Background technology
The radio communication of mobile terminal is to MIMO (Multiple-Input Multiple-Output, multiple-input and multiple-output)
Direction is developed, and some mobile terminals can support descending multiple antennas while receiving signal, and the theoretical downstream rate of the mobile terminal can
Greatly improve, and due to reasons such as cost, power consumptions, the up transmission signal of current mobile terminal is generally single-antenna transmission.
Due to mobile terminal antenna easily by holding, the number of people affected, in prior art, the up transmitting of mobile terminal
Double antenna handoff technique is adopted during signal, i.e., a day of Environment more preferably (for example hand is not held) between two antennas
Line carrys out transmission signal.
There is following defect in double antenna handoff technique of the prior art：If two antennas are all held by hand or are all subject to
The impact of the number of people, then uplink communication quality can be greatly affected.
The content of the invention
In view of the above problems, the purpose of the embodiment of the present invention is to provide a kind of antenna-switching device with a kind of movement eventually
End, to solve double antenna handoff technique of the prior art, when two antennas are all held by hand or are all affected by the number of people,
The problem that uplink communication quality can be greatly affected.
In order to solve the above problems, the embodiment of the invention discloses a kind of antenna-switching device, is applied to mobile terminal, institute
Mobile terminal is stated including RF transmit-receive circuit and at least three antennas, the RF transmit-receive circuit includes sending and main receiving path
With at least two from receiving path, the antenna-switching device includes：Antenna switch module, at least three antenna passes through institute
Antenna switch module is stated, is connected from receiving path is corresponding with the transmission and main receiving path and described at least two respectively；Control
Device processed, the controller is connected respectively with the RF transmit-receive circuit and the antenna switch module, at the mobile terminal
When non-sleep pattern, at least three antennas being connected with the antenna switch module are determined every controller described in Preset Time
The most strong antenna of middle received signal strength, and control the antenna switch module switching transmission and main receiving path with it is described
The most strong antenna of received signal strength is connected.
In order to solve the above problems, the embodiment of the invention also discloses a kind of mobile terminal, including RF transmit-receive circuit, extremely
Few three antennas and described antenna-switching device, the RF transmit-receive circuit includes sending and main receiving path and at least two
From receiving path.
The embodiment of the present invention includes advantages below：Arrange at least three antennas in mobile terminal to pass through in antenna-switching device
Antenna switch module, send with RF transmit-receive circuit respectively and main receiving path and at least two be from the corresponding phase of receiving path
Even, the controller and in setting antenna-switching device is connected respectively with RF transmit-receive circuit and antenna switch module, works as movement
When terminal is in non-sleep pattern, at least three days be connected with antenna switch module are determined by controller every Preset Time
The most strong antenna of received signal strength in line, and it is strong with reception signal to control antenna switch module switching transmission and main receiving path
The most strong antenna of degree is connected.So, while ensureing that descending each antenna receives signal simultaneously, can realize at least three antennas
In arbitrarily select the most strong antenna of received signal strength to launch upward signal, solve prior art in two antennas all by hand
When holding or all being affected by the number of people, the problem that uplink communication quality can be greatly affected greatly is improved mobile whole
The communication quality at end.
Description of the drawings
Fig. 1 is a kind of structured flowchart of antenna-switching device embodiment of the present invention；
Fig. 2 is the structured flowchart of another kind of antenna-switching device embodiment of the present invention；
Fig. 3 is the structural representation of the inside typical circuit framework of DPDT switches；
Fig. 4 is the structural representation of antenna switch module in a kind of antenna-switching device embodiment of the invention；
Fig. 5 is the structural representation of antenna switch module in another kind of antenna-switching device embodiment of the invention.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, it is below in conjunction with the accompanying drawings and concrete real
The present invention is further detailed explanation to apply mode.
The antenna-switching device 1 of the embodiment of the present invention is applied to mobile terminal, and mobile terminal can include mobile phone, flat board electricity
Brain, personal digital assistant (PDA, Personal Digital Assistant), vehicle-mounted computer or navigator etc..Mobile terminal has
Body can include the antenna of RF transmit-receive circuit 2 and at least three (such as first antenna 3, the second antenna 4, third antenna 5 and the 4th
Antenna 6), RF transmit-receive circuit 2 can include send and main receiving path 21 and at least two from receiving path (such as first from
Receiving path 22, second is from receiving path 23 and the 3rd from receiving path 24).
The antenna-switching device 1 of the embodiment of the present invention can include：Antenna switch module 11, at least three antennas pass through day
Line handover module 11, is connected respectively with transmission and main receiving path 21 and at least two from receiving path is corresponding；Controller 12, control
Device processed 12 is connected respectively with RF transmit-receive circuit 2 and antenna switch module 11, when mobile terminal is in non-sleep pattern, every
Preset Time controller 12 determines the most strong day of received signal strength at least three antennas being connected with antenna switch module 11
Line, and control that the switching of antenna switch module 11 sends and the antenna most strong with received signal strength of main receiving path 21 is connected, from
And transmission and main receiving path 21 can pass through the most strong antenna of the received signal strength and launch upward signal and receive descending letter
Number.Fig. 1 is that first antenna 3, the second antenna 4 and third antenna 5 pass through antenna switch module 11, is led to transmission and main reception respectively
From receiving path 22, second from the structured flowchart of the correspondence of receiving path 23 antenna-switching device 1 when connected, Fig. 2 is on road 21, first
First antenna 3, the second antenna 4, the antenna 6 of third antenna 5 and the 4th pass through antenna switch module 11, respectively with transmission and main reception
Path 21, first corresponds to antenna switching when being connected from receiving path 22, second with the 3rd from receiving path 23 from receiving path 24
The structured flowchart of device 1.
It should be noted that when mobile terminal includes RF transmit-receive circuit 2 and more than three antennas, RF transmit-receive circuit 2
Correspondence includes that transmission and main receiving path 21 and two or more, from receiving path, some antennas in more than three antennas, are led to
Antenna switch module 11 is crossed, respectively the part with transmission and main receiving path 21 and two or more from receiving path is logical from receiving
When road correspondence is connected, other antennas can directly be corresponded from receiving path with other and are connected.
Wherein, when mobile terminal is in park mode, controller 12 can also be in park mode, such that it is able to reduce
The service life of antenna-switching device 1 and the power consumption of controller 12, extension antenna switching device 1 and controller 12.In addition, arranging every
Determine the most strong antenna of received signal strength in the antenna being connected with antenna switch module 11 every Preset Time controller 12, and control
The antenna that the switching of antenna switch module processed 11 sends and main receiving path 21 is most strong with received signal strength is connected, and can avoid control
Device processed 12 frequently controls antenna switch module 11 and switches over, and not only reduces antenna-switching device 1 and the power consumption of controller 12,
Also extend the service life of antenna-switching device 1 and controller 12.
So, while ensureing that descending each antenna receives signal simultaneously, antenna-switching device 1 can be at least triantennary
Arbitrarily select the most strong antenna of received signal strength to launch upward signal, solve prior art and all held in two antennas
When firmly or all being affected by the number of people, the problem that uplink communication quality can be greatly affected greatly improves mobile terminal
Communication quality.
Alternatively, when the antenna more than one that received signal strength in the antenna being connected with antenna switch module 11 is most strong
When, controller 12 can control the switching of antenna switch module 11 transmission and main receiving path 21 is most strong with arbitrary received signal strength
Antenna be connected.
Specifically, in one embodiment of the invention, mobile terminal includes RF transmit-receive circuit 2 and four antennas, penetrates
Frequency transmission circuit 2 includes sending and main receiving path 21 and three first antennas 3, second from receiving path, four antennas
Antenna 4 and third antenna 5 by antenna switch module 11, respectively with send and main receiving path 21 and three are from receiving path
First be connected from the correspondence of receiving path 23 with second from receiving path 22, the 4th antenna 6 in four antennas with three from connecing
The 3rd received in path is joined directly together from receiving path 24.Now, with reference to Fig. 3, antenna switch module 11 can include：First
The of DPDT (Dual-Pole Double-throw Transfer, DPDT conversion) switch S11, DPDT switch S11
One end is connected with transmission and main receiving path 21, and second end of DPDT switch S11 is connected with first from receiving path 22, the
3rd end of one DPDT switch S11 is connected with first antenna 3；2nd DPDT switchs S12, and the 2nd DPDT switchs the first end of S12
The 4th end for switching S11 with a DPDT is connected, and second end of the 2nd DPDT switch S12 is connected with second from receiving path 23,
3rd end of the 2nd DPDT switch S12 is connected with the second antenna 4, and the 2nd DPDT switchs the 4th end of S12 and the phase of third antenna 5
Even.In Fig. 3, controller 12 is not shown.
Correspondingly, when antenna switch module 11 is as shown in Figure 3, controller 12 can include：First signal strength detection
Module, the first signal strength detection module is connected with RF transmit-receive circuit 2, and the detection of the first signal strength detection module sends and main
The signal strength signal intensity that receiving path 21, first is received from receiving path 22 and second from receiving path 23；First antenna determining module,
The transmission and main receiving path 21, first that first antenna determining module is detected according to the first signal strength detection module is logical from receiving
The signal strength signal intensity that road 22 and second receives from receiving path 23, determines in first antenna 3, the second antenna 4 and third antenna 5 and receives
The most strong antenna of signal strength signal intensity.
Specifically, the inside typical circuit framework of DPDT switches can be as shown in Figure 4.Wherein, DPDT switches have following
Two kinds of logic states：
Logic state 1：Switching channels S20 and S22 are closed, and switching channels S21 and S23 disconnect, and RF1 pins are through to RF3
Pin, RF2 pins are through to RF4 pins；
Logic state 2：Switching channels S21 and S23 are closed, and switching channels S20 and S22 disconnect, and RF1 pins are through to RF4
Pin, RF2 pins are through to RF3 pins.
In one embodiment of the invention, DPDT switch S11 and the 2nd DPDT switches S12 can adopt Fig. 4 institutes
The DPDT switches for showing.Now, if controller 12 determines that first antenna 3 is to connect in first antenna 3, the second antenna 4 and third antenna 5
The most strong antenna of signal strength signal intensity is received, then controller 12 can control in antenna switch module 11 DPDT switch S11 in patrolling
State 1 is collected, to realize that switching transmission and main receiving path 21 first antenna 3 most strong with received signal strength is connected；If control
Device 12 determines that the second antenna 4 is the most strong antenna of received signal strength in first antenna 3, the second antenna 4 and third antenna 5, then
Controller 12 can control DPDT switch S11 in antenna switch module 11 and switch S12 in the DPDT of logic state 2 and the 2nd
In logic state 1, to realize that switching transmission and main receiving path 21 second antenna 4 most strong with received signal strength is connected；
If controller 12 determines that third antenna 5 is the most strong day of received signal strength in first antenna 3, the second antenna 4 and third antenna 5
Line, then controller 12 can control in antenna switch module 11 DPDT switch S11 and open in the DPDT of logic state 2 and the 2nd
Close S12 and be in logic state 3, to realize that switching sends and main receiving path 21 and the most strong third antenna 5 of received signal strength
It is connected.
So, while ensureing that descending four antenna receives signal simultaneously, antenna-switching device 1 can be in triantennary arbitrarily
The most strong antenna of received signal strength is selected to launch upward signal, even if two antennas are all held by hand or all receive in triantennary
To the number of people impact when, uplink communication quality is also unaffected.
Specifically, in another embodiment of the present invention, mobile terminal includes RF transmit-receive circuit 2 and four antennas,
RF transmit-receive circuit 2 includes sending and main receiving path 21 and three are from receiving path, and four antennas are first antenna 3, second
Antenna 4, third antenna 5, the 4th antenna 6 by antenna switch module 11, respectively with send and main receiving path 21 and three from
Receiving path is first connected from the correspondence of receiving path 24 from receiving path the 23, the 3rd from receiving path 22, second.Now, join
According to Fig. 5, antenna switch module 11 can include：3rd DPDT switch S13, the 3rd DPDT switch S13 first end with send and
Main receiving path 21 is connected, and second end of DPDT switch S11 is connected with first from receiving path 22；4th DPDT is switched
First end and a DPDT of S14, the 4th DPDT switch S14 switchs the 3rd end of S11 and is connected, and the 4th DPDT switchs the of S14
Two ends are connected with the 3rd from receiving path 24, and the 3rd end of the 4th DPDT switch S14 is connected with first antenna 3, and the 4th DPDT is opened
The 4th end for closing S14 is connected with the 4th antenna 6.5th DPDT switchs S15, and the 5th DPDT switchs the first end and first of S15
4th end of DPDT switch S11 is connected, and second end of the 5th DPDT switch S15 is connected with second from receiving path 23, and the 5th
3rd end of DPDT switch S15 is connected with the second antenna 4, and the 4th end of the 5th DPDT switch S15 is connected with third antenna 5.Fig. 5
In, controller 12 is not shown.
Correspondingly, when antenna switch module 11 is as shown in Figure 5, controller 12 can include：Secondary signal intensity detection
Module, secondary signal intensity detection module is connected with RF transmit-receive circuit 2, and the detection of secondary signal intensity detection module sends and main
The signal strength signal intensity that receiving path 21, first is received from receiving path 23 and the 3rd from receiving path 22, second from receiving path 24；
Second antenna determining module, the transmission and main reception that the second antenna determining module is detected according to secondary signal intensity detection module is logical
The signal strength signal intensity that road 21, first receives from receiving path 23 and the 3rd from receiving path 22, second from receiving path 24, determines
The most strong antenna of received signal strength in one antenna 3, the second antenna 4, the antenna 6 of third antenna 5 and the 4th.
In one embodiment of the invention, the 3rd DPDT switches S13, the 4th DPDT switch S14 and the 5th DPDT switches
S15 can adopt the DPDT switches shown in Fig. 4.Now, if controller 12 determines that first antenna 3 is first antenna 3, the second antenna
4th, the most strong antenna of received signal strength in the antenna 6 of third antenna 5 and the 4th, then controller 12 can control antenna switch module
The 3rd DPDT switch S13 are in logic state 1 in the DPDT of logic state 1 and the 4th switch S14 in 11, to realize that switching sends
And main receiving path 21 first antenna 3 most strong with received signal strength is connected；If controller 12 determines that the second antenna 4 is first
The most strong antenna of received signal strength in antenna 3, the second antenna 4, the antenna 6 of third antenna 5 and the 4th, then controller 12 can control
The 3rd DPDT switch S13 are in logic state 1 in the DPDT of logic state 2 and the 5th switch S15 in antenna switch module processed 11,
To realize that the second antenna 4 that switching sends and main receiving path 21 is most strong with received signal strength is connected；If controller 12 determines
Third antenna 5 is the most strong antenna of received signal strength in first antenna 3, the second antenna 4, the antenna 6 of third antenna 5 and the 4th,
Then controller 12 can control the 3rd DPDT in antenna switch module 11 and switch S13 in the DPDT of logic state 2 and the 5th switches
S15 is in logic state 2, to realize switching transmission and main receiving path 21 third antenna 5 phase most strong with received signal strength
Even；If controller 12 determines that the 4th antenna 6 is that letter is received in first antenna 3, the second antenna 4, the antenna 6 of third antenna 5 and the 4th
Number most strong antenna of intensity, then controller 12 can control the 3rd DPDT switches S13 in antenna switch module 11 and be in logic shape
The DPDT of state 1 and the 4th switch S14 are in logic state 2, to realize that switching sends and main receiving path 21 and received signal strength
The 4th most strong antenna 6 is connected.
So, while ensureing that descending four antenna receives signal simultaneously, antenna-switching device 1 can be in four antennas arbitrarily
The most strong antenna of received signal strength is selected to launch upward signal, even if two antennas or three antennas are all by hand in four antennas
When holding or all being affected by the number of people, uplink communication quality is also unaffected.
In practical application, controller 12 can be arranged in the CPU of mobile terminal.
The internal circuit framework of DPDT switches can include but is not limited to the inside shown in above-mentioned Fig. 4 in the embodiment of the present invention
Circuit framework, in the embodiment of the present invention DPDT switch can also adopt other internal circuit frameworks, only need logic state with it is above-mentioned
The logic state of the switches of DPDT shown in Fig. 4 is identical.
In one particular embodiment of the present invention, RF transmit-receive circuit 2 can include RF transceiver chip 25, above-mentioned
Transmission and main receiving path 21 and three from receiving path, (such as first from receiving path 22, second from the and of receiving path 23
3rd from receiving path 24).Send and main receiving path 21 and three may operate in a frequency range or multiple from receiving path
Frequency range.In Fig. 3 and Fig. 5, send and main receiving path 21 and three work in two frequency ranges (frequency range 1 and frequency ranges from receiving path
2)。
Wherein, for send and main receiving path 21, can be transmitted by the way of time division duplex the signal of frequency range 1 and
The signal of frequency range 1 is received, i.e., the signal of frequency range 1 and the transmitting signal of frequency range 1 are received when transmission and main receiving path 21 are different, receive frequency range
1 signal and transmitting frequency range 1 signal are in time alternately.For transmission and main receiving path 21, FDD can be adopted
Mode be transmitted the signal of frequency range 2 and receive the signal of frequency range 2, that is, send and main receiving path 21 receive the signal of frequency range 2 simultaneously
With the transmitting signal of frequency range 2, receiving the signal of frequency range 2 and the transmitting signal of frequency range 2 is carried out on a different frequency.Send and main receiving path
21 can include threeway electronic switch (including switch S1, switch S2 and switch S3), by the filters of the first power amplifier F1 and first
Up transmitting path B1_TX of the frequency range 1 that ripple device L1 is constituted, the first downlink reception of the frequency range 1 being made up of the second wave filter L2
Path B1_RX1, up transmitting path B2_TX of the frequency range 2 being made up of the second power amplifier F2 and duplexer SG, by duplex
First downlink reception path B2_RX1 of the frequency range 2 that device SG is constituted；First can include the first liang of son that is powered from receiving path 22
Switch (including switch S4 and switch S5), the second downlink reception path B1_RX2 of the frequency range 1 being made up of the 3rd wave filter L3, by
Second downlink reception path B2_RX2 of the frequency range 2 that the 4th wave filter L4 is constituted；Second can include second from receiving path 23
Two logical electronic switches (including switch S6 and switch S7), the 3rd downlink reception path of the frequency range 1 being made up of the 5th wave filter L5
B1_RX3, the 3rd downlink reception path B2_RX3 of the frequency range 2 being made up of the 6th wave filter L6；3rd can be with from receiving path 24
Including the 3rd liang of logical electronic switch (including switch S8 and switch S9), the 4th of the frequency range 1 being made up of the 7th wave filter L7 is descending
Receiving path B1_RX4, the 4th downlink reception path B2_RX4 of the frequency range 2 being made up of the 8th wave filter L8.
In practical application, when sending and main receiving path 21 and three work in three and more than three frequencies from receiving path
Duan Shi, need to only increase the switching channels and corresponding increase wave filter of electronic switch.
The embodiment of the present invention includes advantages below：Arrange at least three antennas in mobile terminal to pass through in antenna-switching device
Antenna switch module, send with RF transmit-receive circuit respectively and main receiving path and at least two be from the corresponding phase of receiving path
Even, the controller and in setting antenna-switching device is connected respectively with RF transmit-receive circuit and antenna switch module, works as movement
When terminal is in non-sleep pattern, at least three days be connected with antenna switch module are determined by controller every Preset Time
The most strong antenna of received signal strength in line, and it is strong with reception signal to control antenna switch module switching transmission and main receiving path
The most strong antenna of degree is connected.So, while ensureing that descending four antenna receives signal simultaneously, antenna-switching device can be at least
Arbitrarily select the most strong antenna of received signal strength to launch upward signal in three antennas, solve prior art in two days
When line is all held by hand or is all affected by the number of people, the problem that uplink communication quality can be greatly affected greatly is lifted
The communication quality of mobile terminal.
The embodiment of the invention also discloses a kind of mobile terminal, the mobile terminal can include RF transmit-receive circuit 2, at least
Three antennas and above-mentioned antenna-switching device 1, RF transmit-receive circuit 2 can include sending and main receiving path 21 and at least two
It is individual from receiving path.
Specifically, at least three antennas can be respectively provided with least three diverse location in the terminal, so as to two
When individual antenna is all held by hand or is all affected by the number of people, uplink communication quality is unaffected.Preferably, at least three
Antenna can be respectively provided with least three diverse locations of non-display area in the terminal.Wherein, at least three positions can
Think at least three in top-left position, upper-right position, lower left position, the bottom-right location of mobile terminal, realize that maximum possible is kept away
Exempt from least three antennas to be all held by hand or all affected by the number of people.
Specifically, mobile terminal can include mobile phone, panel computer, personal digital assistant, vehicle-mounted computer or navigator etc..
Above-mentioned antenna-switching device 1 can be applied not only to the mobile terminal for including three antennas or four antennas, also may be used
To be applied to include the mobile terminal of more than four antennas.For example, when antenna-switching device 1 is applied to include five antennas (
One antenna 3, the second antenna 4, third antenna 5, the 4th antenna 6 and the 5th antenna) mobile terminal when, if five antennas pass through day
Line handover module 11 respectively with RF transmit-receive circuit 2 in send and main receiving path 21 and four from receiving path, (first from connecing
Receive path 22, second from receiving path the 23, the 3rd from receiving path 24 with the 4th from receiving path) correspondence be connected when, Ke Yixiang
The 6th DPDT switches, the first end and the 5th for switching the 6th DPDT should be increased on the basis of antenna-switching device 1 shown in Fig. 5
4th end of DPDT switch S15 is connected, and the second end of the 6th DPDT switches is connected with the 4th from receiving path, the 6th DPDT switches
The 3rd end be connected with third antenna 5, the 4th end of the 6th DPDT switches is connected with the 5th antenna, while change controller 12
Control logic.
The embodiment of the present invention includes advantages below：Increase antenna-switching device in the terminal, ensure descending each day
While line receives signal simultaneously, arbitrarily select received signal strength most strong at least triantennary by antenna-switching device
Antenna solves prior art when two antennas are all held by hand or are all affected by the number of people launching upward signal, on
The problem that row communication quality can be greatly affected, greatly improves the communication quality of mobile terminal.
For mobile terminal embodiment, because it includes antenna-switching device embodiment, so the comparison of description is simple
Single, related part is illustrated referring to the part of antenna-switching device embodiment.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
Those skilled in the art are it should be appreciated that the embodiment of the embodiment of the present invention can be provided as method, device or calculate
Machine program product.Therefore, the embodiment of the present invention can using complete hardware embodiment, complete software embodiment or with reference to software and
The form of the embodiment of hardware aspect.And, the embodiment of the present invention can using wherein include computer at one or more can
With in the computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of program code
The form of the computer program of enforcement.
The embodiment of the present invention is with reference to method according to embodiments of the present invention, terminal device (system) and computer program
The flow chart and/or block diagram of product is describing.It should be understood that can be by computer program instructions flowchart and/or block diagram
In each flow process and/or square frame and flow chart and/or the flow process in block diagram and/or square frame combination.These can be provided
Computer program instructions to all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals set
Standby processor is producing a machine so that held by the processor of computer or other programmable data processing terminal equipments
Capable instruction is produced for realizing in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames
The device of the function of specifying.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing terminal equipments
In the computer-readable memory for working in a specific way so that the instruction being stored in the computer-readable memory produces bag
The manufacture of command device is included, the command device is realized in one side of one flow process of flow chart or multiple flow processs and/or block diagram
The function of specifying in frame or multiple square frames.
These computer program instructions also can be loaded into computer or other programmable data processing terminal equipments so that
On computer or other programmable terminal equipments perform series of operation steps to produce computer implemented process, so as to
The instruction performed on computer or other programmable terminal equipments is provided for realizing in one flow process of flow chart or multiple flow processs
And/or specify in one square frame of block diagram or multiple square frames function the step of.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base
This creative concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to
Including preferred embodiment and fall into having altered and changing for range of embodiment of the invention.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that a series of process, method, article or terminal device including key elements is not only wrapped
Those key elements are included, but also including other key elements being not expressly set out, or also include for this process, method, article
Or the key element that terminal device is intrinsic.In the absence of more restrictions, by wanting that sentence "including a ..." is limited
Element, it is not excluded that also there is other identical element in the process including the key element, method, article or terminal device.
Above to a kind of antenna-switching device provided by the present invention and a kind of mobile terminal, it is described in detail, this
Apply specific case in text to be set forth the principle and embodiment of the present invention, the explanation of above example is only intended to
Help understands the method for the present invention and its core concept；Simultaneously for one of ordinary skill in the art, according to the think of of the present invention
Think, will change in specific embodiments and applications, in sum, it is right that this specification content should not be construed as
The restriction of the present invention.
Claims (10)
1. a kind of antenna-switching device, is applied to mobile terminal, it is characterised in that the mobile terminal includes RF transmit-receive circuit
With at least three antennas, the RF transmit-receive circuit includes sending and main receiving path and at least two is from receiving path, described
Antenna-switching device includes：
Antenna switch module, at least three antenna is sent and main reception respectively by the antenna switch module with described
Path is connected with described at least two from receiving path correspondence；
Controller, the controller is connected respectively with the RF transmit-receive circuit and the antenna switch module, when the movement
When terminal is in non-sleep pattern, at least three be connected with the antenna switch module every controller determination described in Preset Time
The most strong antenna of received signal strength in individual antenna, and control the antenna switch module switching transmission and main receiving path
The antenna most strong with the received signal strength is connected.
2. antenna-switching device according to claim 1, it is characterised in that when at least three antenna is first day
Line, the second antenna and third antenna, described at least two is first from receiving path and second from receiving path from receiving path
When, the antenna switch module includes：
First DPDT is switched, and the first end of the DPDT switches is connected with the transmission and main receiving path, and described first
Second end of DPDT switches is connected with described first from receiving path, the 3rd end that the DPDT is switched with described first day
Line is connected；
2nd DPDT is switched, and the 4th end that the first end of the 2nd DPDT switches is switched with a DPDT is connected, described
Second end of the 2nd DPDT switches is connected with described second from receiving path, the 3rd end that the 2nd DPDT is switched and described the
Two antennas are connected, and the 4th end of the 2nd DPDT switches is connected with the third antenna.
3. antenna-switching device according to claim 1, it is characterised in that when at least three antenna is first day
Line, the second antenna, third antenna and the 4th antenna, described at least two from receiving path be first from receiving path, second from
Receiving path and the 3rd from receiving path when, the antenna switch module includes：
3rd DPDT is switched, and the first end of the 3rd DPDT switches is connected with the transmission and main receiving path, and described first
Second end of DPDT switches is connected with described first from receiving path；
4th DPDT is switched, and the 3rd end that the first end of the 4th DPDT switches is switched with a DPDT is connected, described
Second end of the 4th DPDT switches is connected with the described 3rd from receiving path, the 3rd end that the 4th DPDT is switched and described the
One antenna is connected, and the 4th end of the 4th DPDT switches is connected with the 4th antenna；
5th DPDT is switched, and the 4th end that the first end of the 5th DPDT switches is switched with a DPDT is connected, described
Second end of the 5th DPDT switches is connected with described second from receiving path, the 3rd end that the 5th DPDT is switched and described the
Two antennas are connected, and the 4th end of the 5th DPDT switches is connected with the third antenna.
4. antenna-switching device according to claim 2, it is characterised in that the controller includes：
First signal strength detection module, the first signal strength detection module is connected with the RF transmit-receive circuit, described
The first signal strength detection module detection transmission and main receiving path, described first from receiving path and described second from connecing
Receive the signal strength signal intensity that path is received；
First antenna determining module, the institute that the first antenna determining module is detected according to the first signal strength detection module
State transmission and main receiving path, described first from receiving path and described second from receiving path receive signal strength signal intensity, it is determined that
The most strong antenna of received signal strength in the first antenna, second antenna and the third antenna.
5. antenna-switching device according to claim 3, it is characterised in that the controller includes：
Secondary signal intensity detection module, the secondary signal intensity detection module is connected with the RF transmit-receive circuit, described
The secondary signal intensity detection module detection transmission and main receiving path, described first from receiving path, described second from connecing
Receive path and the described 3rd signal strength signal intensity received from receiving path；
Second antenna determining module, the institute that the second antenna determining module is detected according to the secondary signal intensity detection module
State transmission and main receiving path, described first from receiving path, described second from receiving path and the described 3rd from receiving path
The signal strength signal intensity of reception, determines in the first antenna, second antenna, the third antenna and the 4th antenna and receives
The most strong antenna of signal strength signal intensity.
6. a kind of mobile terminal, it is characterised in that appoint including in RF transmit-receive circuit, at least three antennas and claim 1-5
Antenna-switching device described in one, the RF transmit-receive circuit includes sending and main receiving path and at least two is led to from reception
Road.
7. mobile terminal according to claim 6, it is characterised in that at least three antenna is separately positioned on the shifting
At least three diverse locations in dynamic terminal.
8. mobile terminal according to claim 7, it is characterised in that at least three antenna is separately positioned on the shifting
At least three diverse locations of non-display area in dynamic terminal.
9. the mobile terminal according to claim 7 or 8, it is characterised in that at least three position for it is described it is mobile eventually
In top-left position, upper-right position, lower left position, the bottom-right location at end at least three.
10. mobile terminal according to claim 6, it is characterised in that the mobile terminal include mobile phone, panel computer,
Personal digital assistant, vehicle-mounted computer or navigator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070351.5A CN106656248A (en) | 2016-11-28 | 2016-11-28 | Antenna switching device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070351.5A CN106656248A (en) | 2016-11-28 | 2016-11-28 | Antenna switching device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106656248A true CN106656248A (en) | 2017-05-10 |
Family
ID=58813369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611070351.5A Pending CN106656248A (en) | 2016-11-28 | 2016-11-28 | Antenna switching device and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106656248A (en) |
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Application publication date: 20170510 |
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