CN107425860B - Antenna switching system and mobile terminal - Google Patents
Antenna switching system and mobile terminal Download PDFInfo
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- CN107425860B CN107425860B CN201710278734.XA CN201710278734A CN107425860B CN 107425860 B CN107425860 B CN 107425860B CN 201710278734 A CN201710278734 A CN 201710278734A CN 107425860 B CN107425860 B CN 107425860B
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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
- H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
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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
- H04B1/06—Receivers
- H04B1/08—Constructional details, e.g. cabinet
- H04B1/086—Portable receivers
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Abstract
The present invention relates to a kind of antenna switching system and mobile terminals.Antenna switching system includes: the first main collection antenna, the second main collection antenna, diversity antenna, main collection switch module, diversity switch module and switching molding group；Switching molding group includes first switch, second switch, switch matrix and combiner unit；Wherein, first switch, second switch and switch matrix can switch the working condition of itself according to external switching command.Working condition by changing the first switch in above-mentioned switching molding group, second switch and switch matrix can realize the first main collection antenna in antenna switching system, the function switch in second main collection three antennas of antenna and diversity antenna between any two antenna, and then can effectively improve the sensitivity for receiving radio frequency signal in the presence of a harsh environment, improve antenna performance.
Description
Technical field
The present invention relates to technology for radio frequency fields, more particularly to antenna switching system and mobile terminal.
Background technique
Currently, mobile phone is just towards multi-functional, miniaturization, Low emissivity loss direction develop, antenna for mobile phone receives electromagnetic wave
Performance directly determine mobile phone radiation receive electromagnetic wave signal performance, influence the ability to communicate of mobile phone.
Since signal can decay in communication process, so diversity technique is generallyd use when Cell Phone Design,
The correct decision rate of signal is improved, to resist adverse effect caused by signal fadeout.Under current mobile phone stacking scheme, it will usually
Main collection antenna and diversity are realized using the working method of double-pole double throw (Double Pole Double Throw, DPDT) switch
Power and energy between two antennas of antenna.As carrier wave polymerize the requirement of (Carrier Aggregation, CA), antenna
Quantity is more and more, for example, using three antennas come selective reception corresponding band radiofrequency signal when, general switching is opened
Guan Mo group is the power and energy that cannot achieve in three antennas between any two antenna.When user is when holding smart phone,
If having held the position where certain root antenna, the signal of the antenna will be shielded to a certain extent, cause this
The signal of antenna sharply declines, and affects the normal communication of mobile terminal.
Summary of the invention
The embodiment of the present invention provides a kind of antenna switching system and mobile terminal, can effectively improve and connects in the presence of a harsh environment
The sensitivity of rf wireless signal is received, antenna performance is improved.
A kind of antenna switching system, comprising: the first main collection antenna, the second main collection antenna, diversity antenna, main collection switching molding
Block, diversity switch module and switching molding group；
The switching molding group includes first switch, second switch, switch matrix and combiner unit；Wherein,
The main collection switch module is led with the described first main collection antenna, second respectively through the first switch, switch matrix
Collect antenna connection, the main collection switch module also through the first switch, switch matrix, combiner unit, second switch with it is described
Diversity antenna connection；
The diversity switch module is connect through the second switch with the diversity antenna, and the diversity switch module also passes through
The second switch, combiner unit, switch matrix are connect with the described first main collection antenna, the second main collection antenna respectively；Wherein, institute
The working condition of itself can be switched according to external switching command by stating first switch, second switch and switch matrix.
In addition, a kind of mobile terminal is also provided, including the antenna switching system being built in the mobile terminal.
In above-mentioned antenna switching system, including the first main collection antenna, the second main collection antenna, diversity antenna, main collection switching molding
Block, diversity switch module and switching molding group, wherein first switch, second switch, switch matrix in switching molding group being capable of bases
External switching command switches the working condition of itself.By change the first switch in above-mentioned switching molding group, second switch and
The working condition of switch matrix can realize the first main collection antenna, the second main collection antenna and diversity day in antenna switching system
Function switch in three antennas of line between any two antenna, and then can effectively improve to receive in the presence of a harsh environment and wirelessly penetrate
The sensitivity of frequency signal improves antenna performance.
Detailed description of the invention
Fig. 1 is the structural framing figure of antenna switching system in one embodiment；
Fig. 2 is the specific structure frame diagram of antenna switching system in Fig. 1；
Fig. 3 is the first switching state figure of antenna switching system in one embodiment；
Fig. 4 is the second switching state figure of antenna switching system in one embodiment；
Fig. 5 is the third switching state figure of antenna switching system in one embodiment；
Fig. 6 is the 4th switching state figure of antenna switching system in one embodiment；
Fig. 7 is the structural framing figure of antenna switching system in another embodiment；
Fig. 8 is the structural schematic diagram of mobile terminal in one embodiment.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
A kind of antenna switching system, is applied in mobile terminal, mobile terminal can be include mobile phone, tablet computer, pen
Remember this computer, palm PC, mobile internet device (MID, mobile internet device), wearable device (such as
Smartwatch (such as iWatch), Intelligent bracelet, pedometer etc.) or other settable antennas communication module.As shown in Figure 1,
Antenna switching system includes: the first main collection antenna 102 of main collection antenna 101, second, diversity antenna 103, switching molding group 20, main collection
Switch module 30 and diversity switch module 40.
Wherein, the described first main collection antenna 101 can collect low-frequency antenna based on, and the second main collection antenna 102 can collect based on
Medium-high frequency antenna.First main collection antenna 101 can collect high frequency antenna based on, and the second main collection antenna 102 can be concentrated based on
Low-frequency antenna.Wherein, the first main collection antenna 102 of main collection antenna 101, second is responsible for sending and receiving for radiofrequency signal；Diversity day
Line 103 is responsible for the reception of radiofrequency signal, if diversity antenna 103 can be main in the main collection antenna 101 or second of signal environment or first
When collection antenna 102 is disturbed, cooperates the first main main collection antenna 102 of collection antenna 101 or the second, effectively improve mobile terminal severe
Receive the sensitivity of radio frequency signal under environment.Due to the first main collection antenna 102 of main collection antenna 101, second and diversity antenna
Bottom, diversity day in mobile terminal can be set in 103 different role, the first main collection antenna 102 of main collection antenna 101, second
Line 103 can be set at the top of mobile terminal.
Switching molding group 20 includes first switch 210, second switch 220, switch matrix 230 and combiner unit 240.Its
In, first switch 210, second switch 220 and switch matrix 230 can switch the work shape of itself according to external switching command
State.Main collection switch module 30 through the first switch 210, switch matrix 230 respectively with the described first main collection antenna 101, second
Main collection antenna 102 connects, and main collection switch module 30 is also through the first switch 210, switch matrix 230, combiner unit 240, the
Two switches 220 are connect with the diversity antenna 103.The diversity switch module 40 is through the second switch 220 and the diversity
Antenna 103 connects, and the diversity switch module 40 is also distinguished through the second switch 220, combiner unit 240, switch matrix 230
It is connect with the described first main collection antenna 102 of main collection antenna 101, second.
As shown in Fig. 2, in one embodiment, switch matrix 230 include four single-pole double-throw switch (SPDT)s (SPDT1, SPDT2,
SPDT3,SPDT4).Wherein, the moved end S point of the moved end S of the first single-pole double-throw switch (SPDT) SPDT1, the second single-pole double-throw switch (SPDT) SPDT2
It is not connect with the first switch 210, the moved end S of the third single-pole double-throw switch (SPDT) SPDT3 and the described first main collection antenna 101
It connects, the moved end S of the 4th single-pole double-throw switch (SPDT) SPDT4 is connect with the described second main collection antenna 102.First single-pole double throw is opened
The the first non-moving end A0 for closing SPDT1 is connect with the first non-moving end A0 of the third single-pole double-throw switch (SPDT) SPDT3, and described first is single
The second non-moving end A1 of double-pole double throw switch SPDT1, third single-pole double-throw switch (SPDT) SPDT3 the second non-moving end A1 respectively through the conjunction
Road unit 240 is connect with the second switch 220.The first non-moving end A0 of the second single-pole double-throw switch (SPDT) SPDT2 with it is described
The first non-moving end A0 connection of 4th single-pole double-throw switch (SPDT) SPDT4, the second non-moving end of the second single-pole double-throw switch (SPDT) SPDT2
A1, the 4th single-pole double-throw switch (SPDT) SPDT4 the second non-moving end A1 respectively through the combiner unit 240 and the second switch 220
Connection.
Specifically, the moved end S of the single-pole double-throw switch (SPDT) (SPDT1, SPDT2, SPDT3 or SPDT4) and the first non-moving end
When A0 connection, the switching state of the single-pole double-throw switch (SPDT) is the first switching state, is denoted as " 0 " channel status, wherein " 0 " is logical
Line state is the default pathway state of single-pole double-throw switch (SPDT) SPDT.The moved end S of the single-pole double-throw switch (SPDT) and the second non-moving end A1
When connection, the switching state of the single-pole double-throw switch (SPDT) is the second switching state, is denoted as " 1 " channel status.In switch matrix 230
Four single-pole double-throw switch (SPDT)s (SPDT1, SPDT2, SPDT3, SPDT4) can receive external switching command to change the work of itself
Make state, can be " 0 " channel status, or " 1 " channel status.
In one embodiment, the combiner unit 240 includes the first combiner 241 and the second combiner 242.Described
The first input end of one combiner 241 is connect with the second non-moving end A1 of the first single-pole double-throw switch (SPDT) SPDT1, and described first
Second input terminal of combiner 241 is connect with the second non-moving end A1 of the second single-pole double-throw switch (SPDT) SPDT2, and described first closes
The output end of road device 241 is connect with the second switch 220.
Second non-moving end of the first input end of second combiner 242 and the third single-pole double-throw switch (SPDT) SPDT3
A1 connection, the second non-moving end A1 of the second input terminal of second combiner 242 and the 4th single-pole double-throw switch (SPDT) SPDT4
Connection；The output end of second combiner 242 is connect with the second switch 220.
In one embodiment, the first switch 210 is double-point double-throw switch DPDT.The of the first switch 210
One moved end S0, the second moved end S1 are connect with the main collection switch module 30 respectively.First non-moving end of the first switch 210
A0 ' is connect with the moved end S of the first single-pole double-throw switch (SPDT) SPDT, the second non-moving end A1 ' of the first switch 210 with it is described
The moved end S connection of second single-pole double-throw switch (SPDT) SPDT2.
The second switch 220 is double-point double-throw switch DPDT；First moved end S0 of the second switch 220 and described the
The output end of one combiner 241 connects, and the second moved end S1 of the second switch 220 is connect with the diversity switch module 40,
First non-moving end A0 ' of the second switch 220 is connect with the output end of second combiner 242, the second switch 220
The second non-moving end A1 ' connect with the diversity antenna 103.
Specifically, the first moved end S0 of the double-point double-throw switch is connect with the first non-moving end A0 ', and the second moved end S1 with
When the second non-moving end A1 ' connection, the switching state of the double-point double-throw switch is the first switching state, is denoted as " 00 " access shape
State, wherein " 00 " channel status is double-point double-throw switch DPDT default pathway state.First moved end of the double-point double-throw switch
S0 is connect with the second non-moving end A1 ', and when the second moved end S1 is connect with the first non-moving end A0 ', the double-point double-throw switch is cut
Changing state is the second switching state, is denoted as " 11 " channel status.
It is each in first switch 210, second switch 220 and switch matrix 230 in above-mentioned switching molding group 20 by changing
The working condition of a single-pole double-throw switch (SPDT) (SPDT1, SPDT2, SPDT3 or SPDT4) can be realized in antenna switching system
Function in one main collection 103 3 antennas of antenna 102 and diversity antenna of main collection antenna 101, second between any two antenna
Switching.
As shown in figure 3, in one embodiment, by default, receiving radio frequency using the first main collection antenna 101 and believing
Number.If when playing game with one hand online or both hands transverse screen, having held the first main collection day during using mobile terminal
Position where line 101, the first main collection antenna 101 the signal strength of received radiofrequency signal will sharply decline.At this point, needing
Switch and the function of the first main collection antenna 101 and the second main collection antenna 102 is switched over, is connect using the second main collection antenna 102
Radiofrequency signal is received, to increase received signal strength.At this point, first switch 210 is made to be in " 11 " channel status, four single-pole double throws
Switch is in " 0 " channel status, can realize the function switch between the first main collection antenna 101 and the second main collection antenna 102.
Certainly, if having held the position where the second main collection antenna 102, the second main collection during using mobile terminal
Antenna 102 the signal strength of received radiofrequency signal will sharply decline, can be opened by control switch mould group 20 first
The channel status for closing 210 receives radiofrequency signal using the first main collection antenna 101, to increase mobile terminal received signal strength.
As shown in figure 4, in one embodiment, when first switch 210 is in default conditions, second switch 220 is in silent
Recognize state.When to realize the function switch between the first main collection antenna 101 and diversity antenna 103, it is only necessary to control switch mould
Group 20, makes first switch 210 be in default conditions, the first single-pole double-throw switch (SPDT) is made to be in " 1 " channel status, the second single-pole double throw
Switch is in " 0 " channel status, and third single-pole double-throw switch (SPDT) is in " 1 " channel status, and it is logical that the 4th single-pole double-throw switch (SPDT) is in " 0 "
Line state, second switch 220 are in " 11 " channel status, can realize between the first main collection antenna 101 and diversity antenna 103
Function switch.
As shown in figure 5, in one embodiment, when first switch 210 is in default conditions, second switch 220 is in silent
State is recognized, when to realize the function switch between the second main collection antenna 102 and diversity antenna 103；Only need control switch mould
Group 20, makes first switch 210 be in default conditions, the first single-pole double-throw switch (SPDT) is made to be in " 0 " channel status, the second single-pole double throw
Switch is in " 1 " channel status, and third single-pole double-throw switch (SPDT) is in " 0 " channel status, and it is logical that the 4th single-pole double-throw switch (SPDT) is in " 1 "
Line state, second switch 220 are in " 11 " channel status, can realize between the first main collection antenna 101 and diversity antenna 103
Function switch.
As shown in fig. 6, in one embodiment, by default, using the first main collection antenna 101 and the second main collection day
Line receives the radiofrequency signal of different frequency range respectively.During using mobile terminal, if singlehanded be held in the first main collection day simultaneously
The position of line 101 and the second main collection antenna 102, will weaken the first main collection antenna 101 and the second main collection day to a certain extent
The signal strength of the received radiofrequency signal of line 102 is penetrated at this time, it may be necessary to be switched to diversity antenna 103 by the reception of diversity antenna 103
Frequency signal.By the working condition of control switching switching molding group 20, first switch 210 is made to be in default conditions, the first hilted broadsword is double
Throw switch is in " 1 " channel status, and the second single-pole double-throw switch (SPDT) is in " 1 " channel status, and third single-pole double-throw switch (SPDT) is in " 1 "
Channel status, the 4th single-pole double-throw switch (SPDT) are in " 1 " channel status, and second switch 220 is in " 11 " channel status, so that it may real
The combining form and diversity antenna 103 of existing first main collection antenna 101 and the second main collection antenna 102 carry out function switch, by diversity
Antenna 103 receives radiofrequency signal, improves antenna performance.
As shown in fig. 7, in one embodiment, antenna switching system further includes radio frequency main control module 50, respectively with it is described
Switching molding group 20, main collection switch module 30, diversity switch module 40 connect, and the radio frequency main control module 50 for measuring institute respectively
The signal strength of the first main collection received radiofrequency signal of antenna 102 of main collection antenna 101, second is stated, and according to the signal strength
Control the switching state of the switching molding group 20.
Specifically, radio frequency main control module 50 is used to measure the described first main collection received radiofrequency signal of antenna 101 respectively
The second signal intensity of first signal strength and the second main collection received radiofrequency signal of antenna 102.
During measuring the signal strength of radiofrequency signal, the amount of measurement includes Reference Signal Received Power
(Reference Signal Received Power, RSRP) and Reference Signal Received Quality (Reference Signal
At least one of Received Quality, RSRQ)).It should be noted that radio frequency main control module 50 is to the first main collection antenna
The measurement of signal strength when the main collection antenna 102 of signal strength and second when 101 reception signal receives signal is to separate progress
, in other words, it can finally obtain the first corresponding signal strength of main collection antenna 101 and the second main collection antenna 102 is corresponding
Signal strength.In addition, signal strength and the second main collection day when radio frequency main control module 50 is to the first main collection antenna 101 reception signal
The measurement of signal strength when line 102 receives signal can synchronize progress or carry out according to preset sequence.
In one embodiment, when first signal strength is lower than predetermined threshold value, the radio frequency main control module 50
The switching state for controlling the switching molding group 20 receives the main collection switch module 30 from the described second main collection antenna 102
Radiofrequency signal, wherein being set to threshold value is -80dBm.With reference to Fig. 3, radio frequency main control module (not shown) control switch mould group (figure
Do not mark) switching state, so that first switch 210 is in " 11 " channel status, four single-pole double-throw switch (SPDT)s are in " 0 " access shape
State, main collection switch module 30 can receive the radiofrequency signal from the described second main collection antenna 102, that is, use the second main collection day
Line 102 receives radiofrequency signal, to increase received signal strength.
In one embodiment, when the second signal intensity is lower than predetermined threshold value, the radio frequency main control module control
The switching state for making the switching molding group makes the main collection switch module receive the radiofrequency signal from the described first main collection antenna.
In one embodiment, when first signal strength, second signal intensity are below the predetermined threshold value,
The switching state that the radio frequency main control module 50 controls the switching molding group 20 receives the main collection switch module 30 from institute
State the radiofrequency signal of diversity antenna 103.With reference to Fig. 6, radio frequency main control module (not shown) control switch mould group (figure is not marked) is cut
State is changed, first switch 210 is made to be in default conditions, the first single-pole double-throw switch (SPDT) is in " 1 " channel status, the second single-pole double throw
Switch is in " 1 " channel status, and third single-pole double-throw switch (SPDT) is in " 1 " channel status, and it is logical that the 4th single-pole double-throw switch (SPDT) is in " 1 "
Line state, second switch 220 be in " 11 " channel status, and the first main collection antenna 101 and the second main collection antenna 102 may be implemented
Combining form and diversity antenna 103 carry out function switch, receive the main collection switch module 30 from the diversity antenna 103
Radiofrequency signal, can effectively improve the sensitivity that mobile phone receives wireless signal in the presence of a harsh environment, improve antenna performance.
The embodiment of the invention also provides a kind of mobile terminal, mobile terminal includes the antenna switching in an above-mentioned embodiment
System.The mobile terminal of antenna switching system with any of the above-described embodiment can improve mobile phone and receive in the presence of a harsh environment
The sensitivity of wireless signal improves antenna performance.As shown in figure 8, for ease of description, illustrating only and phase of the embodiment of the present invention
The part of pass, it is disclosed by specific technical details, please refer to antenna switching system of embodiment of the present invention part.The mobile terminal can
Think including mobile phone, tablet computer, laptop, palm PC, mobile internet device (MID, mobile internet
Device), wearable device (such as smartwatch (such as iWatch), Intelligent bracelet, pedometer etc.) or other settable days
The communication module of line, by taking mobile terminal is mobile phone as an example:
Fig. 8 is the block diagram of the part-structure of mobile phone 800 relevant to mobile terminal provided in an embodiment of the present invention.With reference to figure
8, mobile phone 800 includes: antenna switching system 810, memory 820, input unit 830, display unit 840, sensor 850, sound
The portions such as frequency circuit 860, Wireless Fidelity (wireless fidelity, WiFi) module 870, processor 880 and power supply 890
Part.It will be understood by those skilled in the art that handset structure shown in Fig. 8 does not constitute the restriction to mobile phone, it may include than figure
Show more or fewer components, perhaps combines certain components or different component layouts.
Wherein, antenna switching system 810 can be used for receiving and sending messages or communication process in, signal sends and receivees, can will
After the downlink information of base station receives, handled to processor 880；The data of uplink can also be sent to base station.Memory 820 can
For storing software program and module, processor 880 is stored in the software program and module of memory 820 by operation,
Thereby executing the various function application and data processing of mobile phone.Memory 820 can mainly include that program storage area and data are deposited
Storage area, wherein program storage area can application program needed for storage program area, at least one function (for example sound plays function
Application program, the application program of image player function etc. of energy) etc.；Data storage area can be stored to be created according to using for mobile phone
Data (such as audio data, address list etc.) etc..In addition, memory 820 may include high-speed random access memory, may be used also
To include nonvolatile memory, for example, at least a disk memory, flush memory device or other volatile solid-states
Part.
Input unit 830 can be used for receiving the number or character information of input, and generate the user setting with mobile phone 800
And the related key signals input of function control.Specifically, input unit 830 may include touch panel 831 and other inputs
Equipment 832.Touch panel 831, alternatively referred to as touch screen collect touch operation (such as the user of user on it or nearby
Use the operation of any suitable object or attachment such as finger, stylus on touch panel 831 or near touch panel 831),
And corresponding attachment device is driven according to preset formula.In one embodiment, touch panel 831 may include touching to survey
Measure two parts of device and touch controller.Wherein, the touch orientation of measuring device measurement user is touched, and measures touch operation
Bring signal, transmits a signal to touch controller；Touch controller receives touch information from touch measuring device, and will
It is converted into contact coordinate, then gives processor 880, and can receive order that processor 880 is sent and be executed.In addition,
Touch panel 831 can be realized using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch surface
Plate 831, input unit 830 can also include other input equipments 832.Specifically, other input equipments 832 may include but not
It is limited to one of physical keyboard, function key (such as volume control button, switch key etc.) etc. or a variety of.
Display unit 840 can be used for showing information input by user or be supplied to user information and mobile phone it is various
Menu.Display unit 840 may include display panel 841.In one embodiment, liquid crystal display (Liquid can be used
Crystal Display, LCD), the forms such as Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED)
To configure display panel 841.In one embodiment, touch panel 831 can cover display panel 841, when touch panel 831 is surveyed
After measuring touch operation on it or nearby, processor 880 is sent to determine the type of touch event, is followed by subsequent processing device
880 provide corresponding visual output according to the type of touch event on display panel 841.Although in fig. 8, touch panel
831 and display panel 841 are the input and input function for realizing mobile phone as two independent components, but in certain implementations
In example, can be integrated by touch panel 831 and display panel 841 and that realizes mobile phone output and input function.
Mobile phone 800 may also include at least one sensor 850, such as optical sensor, motion sensor and other sensings
Device.Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 841, and proximity sensor can close display panel when mobile phone is moved in one's ear
841 and/or backlight.Motion sensor may include acceleration transducer, can measure by acceleration transducer and adds in all directions
The size of speed can measure size and the direction of gravity when static, can be used to identify application (such as the horizontal/vertical screen of mobile phone posture
Switching), Vibration identification correlation function (such as pedometer, tap) etc..In addition, mobile phone can also configure gyroscope, barometer, humidity
Other sensors such as meter, thermometer, infrared sensor etc..
Voicefrequency circuit 860, loudspeaker 861 and microphone 862 can provide the audio interface between user and mobile phone.Audio-frequency electric
Electric signal after the audio data received conversion can be transferred to loudspeaker 861, be converted to sound by loudspeaker 861 by road 860
Signal output；On the other hand, the voice signal of collection is converted to electric signal by microphone 862, is turned after being received by voicefrequency circuit 860
It is changed to audio data, then by after the processing of audio data output processor 880, another mobile phone can be sent to through RF circuit 810, or
Person exports audio data to memory 820 so as to subsequent processing.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronics postal by WiFi module 870
Part, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 8 is shown
WiFi module 870, but it is understood that, and it is not belonging to must be configured into for mobile phone 700, it can according to need and omit.
Processor 880 is the control centre of mobile phone, using the various pieces of various interfaces and connection whole mobile phone, is led to
It crosses operation or executes the software program and/or module being stored in memory 820, and call and be stored in memory 820
Data execute the various functions and processing data of mobile phone, to carry out integral monitoring to mobile phone.In one embodiment, it handles
Device 880 may include one or more processing units.In one embodiment, processor 880 can integrate application processor and modulation
Demodulation processor, wherein the main processing operation system of application processor, user interface and application program etc.；Modulation /demodulation processing
Device mainly handles wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 880.
Mobile phone 800 further includes the power supply 890 (such as battery) powered to all parts, it is preferred that power supply can pass through electricity
Management system and processor 880 are logically contiguous, to realize management charging, electric discharge and power consumption by power-supply management system
The functions such as management.
In one embodiment, mobile phone 800 can also include camera, bluetooth module etc..
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Only several embodiments of the present invention are expressed for above embodiments, and the description thereof is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of antenna switching system characterized by comprising the first main collection antenna, the second main collection antenna, diversity antenna, master
Collect switch module, diversity switch module and switching molding group；
The switching molding group includes first switch, second switch, switch matrix and combiner unit；Wherein,
The main collection switch module through the first switch, switch matrix respectively with the described first main collection antenna, the second main collection day
Line connection, the main collection switch module is also through the first switch, switch matrix, combiner unit, second switch and the diversity
Antenna connection；
The diversity switch module is connect through the second switch with the diversity antenna, and the diversity switch module also passes through described
Second switch, combiner unit, switch matrix are connect with the described first main collection antenna, the second main collection antenna respectively；Wherein, described
One switch, second switch and switch matrix can switch the working condition of itself according to external switching command, to realize described the
Function switch and institute in one main collection antenna, second main collection three antennas of antenna and diversity antenna between any two antenna
State the function switch of the first main collection antenna, the combining form of the second main collection antenna and the diversity antenna.
2. antenna switching system according to claim 1, which is characterized in that the switch matrix includes four single-pole double throws
Switch, wherein the moved end of the first single-pole double-throw switch (SPDT), the second single-pole double-throw switch (SPDT) moved end respectively with the first switch connect
Connect, the moved end of third single-pole double-throw switch (SPDT) connect with the described first main collection antenna, the moved end of the 4th single-pole double-throw switch (SPDT) with it is described
Second main collection antenna connection；
First non-moving end of first single-pole double-throw switch (SPDT) is connect with the first non-moving end of the third single-pole double-throw switch (SPDT), institute
Second non-moving end of the second non-moving end, third single-pole double-throw switch (SPDT) of stating the first single-pole double-throw switch (SPDT) is respectively through the combiner unit
It is connect with the second switch；
First non-moving end of second single-pole double-throw switch (SPDT) is connect with the first non-moving end of the 4th single-pole double-throw switch (SPDT), institute
Second non-moving end of the second non-moving end, the 4th single-pole double-throw switch (SPDT) of stating the second single-pole double-throw switch (SPDT) is respectively through the combiner unit
It is connect with the second switch.
3. antenna switching system according to claim 2, which is characterized in that the combiner unit include the first combiner and
Second combiner；The first input end of first combiner is connect with the second non-moving end of first single-pole double-throw switch (SPDT),
Second input terminal of first combiner is connect with the second non-moving end of second single-pole double-throw switch (SPDT), first combining
The output end of device is connect with the second switch；
The first input end of second combiner is connect with the second non-moving end of the third single-pole double-throw switch (SPDT), and described second
Second input terminal of combiner is connect with the second non-moving end of the 4th single-pole double-throw switch (SPDT)；The output of second combiner
End is connect with the second switch.
4. antenna switching system according to claim 3, which is characterized in that the first switch is double-point double-throw switch；
The first moved end, the second moved end of the first switch are connect with the main collection switch module respectively, and the first of the first switch
Non-moving end is connect with the moved end of first single-pole double-throw switch (SPDT), the second non-moving end of the first switch and second hilted broadsword
The moved end of commutator connects.
5. antenna switching system according to claim 3, which is characterized in that the second switch is double-point double-throw switch；
First moved end of the second switch is connect with the output end of first combiner, the second moved end of the second switch and institute
The connection of diversity switch module is stated, the first non-moving end of the second switch is connect with the output end of second combiner, described
Second non-moving end of second switch is connect with the diversity antenna.
6. antenna switching system according to claim 1, which is characterized in that further include radio frequency main control module, respectively with institute
State switching molding group, main collection switch module, the connection of diversity switch module；The radio frequency main control module for measuring described first respectively
The signal strength of main collection antenna, the second main collection received radiofrequency signal of antenna, and cut accordingly according to signal strength sending
Instruction is changed, and controls the working condition for switching the switching molding group.
7. antenna switching system according to claim 6, which is characterized in that the radio frequency main control module for measuring respectively
The first signal strength and the received radiofrequency signal of the second main collection antenna of the first main collection received radiofrequency signal of antenna
Second signal intensity；
When first signal strength is lower than predetermined threshold value, the radio frequency main control module control switches the switching molding group
Working condition makes the main collection switch module receive the radiofrequency signal from the described second main collection antenna；Or,
When the second signal intensity is lower than predetermined threshold value, the radio frequency main control module control switches the switching molding group
Working condition makes the main collection switch module receive the radiofrequency signal from the described first main collection antenna.
8. antenna switching system according to claim 7, which is characterized in that when first signal strength, second signal
When intensity is below the predetermined threshold value, the working condition that the radio frequency main control module control switches the switching molding group makes institute
It states main collection switch module and receives the radiofrequency signal from the diversity antenna.
9. antenna switching system according to claim 1, which is characterized in that collect low frequency day based on the first main collection antenna
Line concentrates high frequency antenna based on the second main collection antenna；Or,
Collect high frequency antenna based on the first main collection antenna, concentrates low-frequency antenna based on the second main collection antenna.
10. a kind of mobile terminal, which is characterized in that including antenna switching system as described in any one of claims 1 to 9.
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| CN201710278734.XA CN107425860B (en) | 2017-04-25 | 2017-04-25 | Antenna switching system and mobile terminal |
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| CN108132720B (en) * | 2017-12-12 | 2023-08-11 | 深圳市信维通信股份有限公司 | All-metal wireless mouse with 2.4G antenna |
| CN108232473B (en) * | 2018-01-19 | 2021-02-19 | Oppo广东移动通信有限公司 | Antenna assembly, electronic equipment and antenna switching method |
| CN108321493B (en) * | 2018-01-19 | 2020-04-21 | Oppo广东移动通信有限公司 | Antenna assembly, electronic equipment and antenna switching method |
| CN108493577B (en) * | 2018-03-13 | 2020-02-14 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
| CN108494444B (en) * | 2018-03-13 | 2021-03-02 | Oppo广东移动通信有限公司 | Antenna control method, antenna assembly, electronic device and storage medium |
| CN114095051A (en) * | 2020-07-30 | 2022-02-25 | 中兴通讯股份有限公司 | Radio frequency circuit and communication terminal |
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| CN112397876A (en) * | 2020-11-05 | 2021-02-23 | 深圳市锐尔觅移动通信有限公司 | Antenna module and terminal |
| CN114759943B (en) * | 2020-12-29 | 2023-06-02 | 华为技术有限公司 | Radio frequency front end module, and method and device for controlling radio frequency front end module |
| CN113949429B (en) * | 2021-10-15 | 2024-06-25 | 维沃移动通信有限公司 | Signal processing device and electronic equipment |
| CN115441881B (en) * | 2022-07-21 | 2024-01-16 | 海能达通信股份有限公司 | Linkage antenna circuit and terminal |
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