CN107528606A - A kind of antenna switching method and device, mobile terminal - Google Patents
A kind of antenna switching method and device, mobile terminal Download PDFInfo
- Publication number
- CN107528606A CN107528606A CN201610450084.8A CN201610450084A CN107528606A CN 107528606 A CN107528606 A CN 107528606A CN 201610450084 A CN201610450084 A CN 201610450084A CN 107528606 A CN107528606 A CN 107528606A
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- antenna
- terminal
- signal
- receiving sensitivity
- switching
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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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/022—Selective call receivers
- H04W88/023—Selective call receivers with message or information receiving capability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Telephone Function (AREA)
Abstract
The embodiment of the present invention provides a kind of antenna switching method and device, mobile terminal, detected by each performance indications of the first antenna to being arranged in terminal and the second antenna, the specific performance indications are receiving sensitivity, whether the performance indications for judging to detect meet default switching condition, if meet, terminal is then switched into the second working condition from the first working condition, wherein in the first working condition, terminal only passes through first antenna reception signal, second antenna does not receive, in the second working condition, pass through the second antenna reception signal；By judging antenna receiving sensitivity, determine receiving ability of two antennas to signal, if whether first antenna meets default switching condition, the handover operation of antenna is carried out according to judged result, it is achieved thereby that mobile phone can keep the largest optimization of signal reception under different scenes, also taking full advantage of emergency antenna has the performance of preferable directional gain.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of antenna switching method and device, movement are eventually
End.
Background technology
In recent years, the development of smart mobile phone is more swift and violent, especially into 4G epoch, LTE (Long Term
Evolution, Long Term Evolution) become standard configuration, 4G+ commercial step is also in rapidly close, carrier aggregation
Technology becomes the hot technology of smart mobile phone of future generation.
For existing antenna scheme in current multimode multi-frequency phone solution, reply multiband concentrates on a day
Line or two antennas, and there is no enough antenna area and clearance zone in structure, antenna for mobile phone designs
Become abnormal difficult, carrier aggregation technology adds combiner, multiplexer on radio circuit, and radio frequency leads to
Road Insertion Loss increase, the surplus to antenna efficiency is also fewer and fewer, or even some frequency ranges also need to antenna and improve effect
Rate makes up the loss in radio circuit, so requires harsher, traditional inverted f, monopole to Antenna Design
Sub-antenna is had too many difficulties to cope with face of these demands.And in user in use, if grasped by mobile phone
Position where antenna, then the signal of the antenna will be shielded to a certain extent, cause the antenna
Signal drastically decline, have impact on the proper communication of smart mobile phone.
The content of the invention
Antenna switching method and device provided in an embodiment of the present invention, mobile terminal, to solve in mobile phone day
When line is interfered according to the receptivity of antenna carry out antenna switching so that mobile phone under any scene all
The technical problem of best signal reception can be kept.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of antenna switching method, including：
First antenna and the second antenna are set in terminal, wherein in the first operative state, the terminal is led to
The first work antenna reception signal is crossed, second antenna is as emergency antenna；
Detect first antenna and each performance indications of the second antenna；
Judge whether each performance indications meet default switching condition；
If meeting switching condition, the terminal is switched into the second working condition, institute from the first working condition
State the second working condition and pass through the second antenna reception signal for the terminal.
On the one hand, the embodiment of the present invention also provides a kind of antenna-switching device, including：First antenna, second
Antenna, signal processing circuit and antenna change-over switch；The first antenna and the second antenna are used for reception signal,
Wherein in the first operative state, the signal processing circuit is described by the first antenna reception signal
Second antenna is as emergency antenna；
The signal processing circuit is used to control the first antenna and the second antenna reception signal, and detects two
Each performance indications of individual antenna, judge whether to meet default switching condition according to each performance indications；
The antenna change-over switch is used to judge that each performance indications meet switching in the signal processing circuit
During condition, the terminal is switched into the second working condition, second working condition from the first working condition
Pass through the second antenna reception signal for the terminal.
Present invention also offers a kind of mobile terminal, including：The antenna switching dress that the embodiment of the present invention is provided
Put.
The embodiment of the present invention also provides a kind of computer-readable storage medium, is stored with the computer-readable storage medium
Computer executable instructions, the computer executable instructions are used to perform foregoing antenna switching method.
The beneficial effects of the invention are as follows：
Antenna switching method, device, mobile terminal and the computer storage provided according to embodiments of the present invention
Medium, methods described are arranged on each performance indications of the first antenna and the second antenna in terminal by detection,
Judgement detects whether each performance indications meet default switching condition, if satisfied, then by terminal from the first work
The second working condition reception signal is switched to as state, wherein the first working condition, which is terminal, passes through first antenna
Reception signal, the second working condition are that terminal passes through the second antenna reception signal；Pass through each performance to antenna
The judgement of index, first antenna and the receiving ability to signal of the second antenna are determined, if first antenna is
It is no to meet default switching condition, the handover operation of antenna is carried out according to judged result, so as to realize that terminal exists
Reception signal is carried out between multiple antennas, ensure that mobile phone can keep signal under different scenes well
The largest optimization of receiving ability.
Brief description of the drawings
Fig. 1 is the flow chart for the antenna switching method that first embodiment of the invention provides；
Fig. 2 is another flow chart for the antenna switching method that first embodiment of the invention provides；
Fig. 3 is the structural representation for the antenna-switching device that second embodiment of the invention provides；
Fig. 4 is the circuit diagram for the antenna-switching device that third embodiment of the invention provides.
Embodiment
The embodiment of the present invention is described in further detail below by embodiment combination accompanying drawing.
In smart mobile phone, typically all include two antennas, respectively first antenna and the second antenna, also may be used
Understand main collection antenna and diversity antenna, extraneous signal is received by two antennas, but when main collection antenna is received
To during interference, main collection antenna can't be switched to diversity antenna reception signal by mobile phone, in order to solve the problem,
The embodiments of the invention provide a kind of antenna switching method and device, this method by detecting in mobile phone in real time
The performance indications of two antennas, specially receiving sensitivity, and the receiving sensitivity of two antennas is carried out mutually
Compare, judged whether to need the switching for carrying out antenna according to result of the comparison, if desired switched, then by mobile phone
The first antenna for being currently used in reception signal is switched to and is connected with the second antenna, is continued to by the second antenna
Extraneous signal, during so as to realize that mobile phone is interfered under any scene, optimal reception can be kept
Performance.
First embodiment：
Fig. 1 is referred to, Fig. 1 is the flow chart of antenna switching method provided in an embodiment of the present invention.In this implementation
In example, the antenna switching method specifically comprises the following steps：
S102, first antenna and the second antenna are set in terminal.
In this step, for terminal set antenna when, using first antenna as the first working condition under work
Make antenna, the second antenna is that emergency antenna is used for reception signal, and the working day in a second operative state
Line is specifically configured to omnidirectional antenna, the first working condition here refer to the first antenna of terminal not by
During interference, the state of outer signals is received by first antenna；When terminal is in the second operating conditions, terminal
The second antenna reception signal can be switched to, and second antenna could be arranged to directional aerial, here
Second working condition refers to that terminal is in the state for being disturbed reception signal under scene.
S104, first antenna and each performance indications of the second antenna are detected, the specific performance indications are antenna
To the receiving sensitivity of signal.
In this step, particularly first antenna and the second antenna real-time reception are believed by ASDIV technologies
Number sensitivity detected, by detect two antennas to the receiving sensitivity of signal come judge antenna whether by
To interference, further, due to that be able to can be realized to antenna under any scene by ASDIV technologies
The detection of receiving sensitivity, because ASDIV technologies can also reception signal under metal enclosed environment.
In the present embodiment, reflect whether antenna is disturbed except detection this performance parameter of receiving sensitivity
Outside, it can also be judged by detecting the signal intensity that receives of two antennas, when the signal received is small strong
When degree is slightly more different than the signal of transmitting, then illustrates that antenna receives interference, further, can also be
Judge etc. by detecting the performance parameters such as the speed of signal that receives of two antennas, by detecting
Two antennas to the receptivity parameter of signal, determine whether work antenna and emergency antenna are interfered,
If so, then perform step S106.
In order to improve the accuracy to antenna performance parameters detection, the present embodiment additionally provides carry out repeated detection
Go the mode of average value to be detected, a period is specifically pre-set, by the default period
It is interior while two antennas are detected in real time, after obtaining multiple receiving sensitivities by repeated detection, root
According to repeated detection to receiving sensitivity carry out the calculating of average value respectively, be averaged finally by what is be calculated
Value judges whether that antenna is interfered.
S106, judges whether each performance indications meet default switching condition.
In this step, judge whether to meet default switching condition, specifically by will detect first
Antenna to the receiving sensitivity of signal and second antenna to the receiving sensitivity of signal mutually compared with,
Judged whether to meet switching condition according to comparative result, when comparative result is small for the receiving sensitivity of first antenna
In the second antenna, then illustrate to meet switching condition, perform step S108, if being more than, be unsatisfactory for, return
Step S104.
In the present embodiment, judge whether to meet default switching condition, specifically can also be judge it is standby
Whether the difference of the receiving sensitivity of antenna and the receiving sensitivity of work antenna is more than preset value, if the difference
More than preset value, then meet switching condition, perform step S108, if being less than, be unsatisfactory for, return to step
S104。
S108, if each performance indications meet switching condition, the terminal switches from the first working condition
To the second working condition, second working condition is that the terminal passes through the second antenna reception signal.
In this step, the judgement reception particularly in step S106 switches over, and works as first antenna
Receiving sensitivity when being less than the second antenna, then the first antenna switching of reception signal will be currently used in terminal
To being connected with the second antenna, signal is continued to by the second antenna so that the signal that terminal keeps optimal connects
Receive performance；If the receiving sensitivity of the receiving sensitivity of the second antenna and first antenna is subtracted each other, one is obtained
Difference, the difference is compared with preset value, if the difference is more than preset value, will be currently used in terminal
The first antenna of reception signal switches to be connected with the second antenna, and signal is continued to by the second antenna.
In the present embodiment, first antenna being specifically arranged to omnidirectional antenna, the second antenna is directional aerial,
In order to improve after antenna switching is carried out, the second antenna is to the receiving efficiency of signal, in addition to by the second antenna
It is arranged on first antenna, and makes its direction consistent with the direction that terminal-pair signal is unobstructed so that eventually
End switch be connected to the second antenna after, there is the performance of preferable directional gain using directional aerial,
So that terminal preferably receives outer signals, influence of the human body to mobile phone signal had so both been avoided that, has reduced hand
Machine radiates SAR value, and for and can under the conditions of equal input power, the aggregation gain of directionality improves antenna for mobile phone
Actual efficiency.For the direction of directional aerial, the use habit that can also be in using terminal according to user is set
To set, so as to avoid interference of the user when in use to antenna.
Specifically, when setting antenna, by the screen orientation of the directional aerial and first antenna along terminal
Overlapped, and the directional aerial is arranged at the top of work antenna, and directional aerial is received and believed
Number direction set it is in opposite direction with usual crawl during user's using terminal.Preferably, in the present embodiment,
The directional aerial is specially fractal antenna.
As shown in Fig. 2 it is using first antenna as omnidirectional antenna, the second antenna switches for the antenna of fractal antenna
The specific process chart of method, its processing step are as follows：
S202, start.
S204, omnidirectional antenna and fractal antenna report sensitivity respectively.
S206, sampling is multiple, calculates average value, can be specifically by setting sampling time point, or
Sampling time section is set, in sampling time section, no matter sampling how many times, as long as detecting that antenna reports
With regard to record, untill the sampling time reaches, average value is then calculated, and using the average value as antenna
Receiving sensitivity.
In this step, when two antennas report Sensitirity va1ue, specifically each 960ms is sampled once, and one
Sampling 4 times respectively altogether, after the completion for the treatment of 4 samplings, 4 Sensitirity va1ues sampled are calculated, obtained
To an average value, and the receiving sensitivity using the average value as antenna.
S208, compare the Sensitirity va1ue of two antennas, this compares including entering to the real-time Sensitirity va1ue of two antennas
Row is subtracted each other relatively or by the Sensitirity va1ue of two antennas, obtains a difference, then compare the difference with
Preset value.
S210, judges whether sensitivity difference is more than preset value, if being more than, performs step S212, on the contrary
Step S204 is performed, specifically, preset value is 4dB, if the difference is more than 4dB, performs step S212.
S212, if difference is more than preset value, starts switching duplexer, omnidirectional antenna is switched into a point shape
Antenna, and return to step S204, it is preferred that switching duplexer here is double-point double-throw switch.
In antenna switching method provided in an embodiment of the present invention, pass through two antennas to being arranged in terminal
The receiving sensitivity to signal detect, whether the sensitivity for judging to detect meets default switching bar
Part, if satisfied, work antenna then is switched into emergency antenna, terminal is in normal work, only working day
Line reception signal, emergency antenna do not receive；In the present invention, it is auxiliary antenna by setting emergency antenna,
And emergency antenna is arranged on work antenna, reduce emergency antenna is disturbed degree, solves existing
In technology, work antenna influences whether the signal receiving efficiency of mobile phone after being disturbed.
Further, emergency antenna is arranged to directional aerial, and the direction setting by directional aerial and terminal
Unobstructed direction it is consistent, in particular fractal antenna, the directional aerial has the characteristics of as fractal antenna,
Gain with preferable directionality, influence of the human body to mobile phone signal was so both avoided that, and had reduced mobile phone spoke
Penetrate than yield, for and can under the conditions of equal input power, the aggregation gain of directionality improves antenna for mobile phone reality
Efficiency, also taking full advantage of directional aerial has the performance of preferable directional gain.
Second embodiment：
Fig. 3 is refer to, Fig. 3 is the structural representation for the antenna-switching device that the present embodiment provides, such as Fig. 3 institutes
Show, the antenna-switching device 3 that the present embodiment provides includes：First antenna 31, the second antenna 32, at signal
Circuit 33 and antenna change-over switch 34 are managed, two antennas are set in terminal inner, wherein in the first work
Under state, the terminal by the first antenna reception signal, second antenna as emergency antenna,
Wherein：
The antenna 32 of first antenna 31 and second is used for reception signal, in the first operative state, the signal
Process circuit 33 is by the first antenna reception signal, and in a second operative state, terminal passes through second day
Line reception signal；
Signal processing circuit 33 is used to control the reception signal of 31 and second antenna of first antenna 32, and examines
Each performance indications of two antennas are surveyed, judge whether each performance indications meet default switching condition, it is excellent
Choosing, the performance indications are receiving sensitivity of the antenna to signal, are according to receiving sensitivity judgement
It is no to meet default switching condition；
Antenna change-over switch 34 is used to judge that the receiving sensitivity meets to cut in the signal processing circuit 33
When changing condition, the first antenna is switched into the second antenna reception signal.
In the present embodiment, the first antenna is specifically arranged to omnidirectional antenna, in the first working condition
Under, terminal can only be communicated by first antenna reception signal, and by the antenna, the first work here
Refer to that terminal under interference-free environment, can realize the state of proper communication as state；Certainly in this reality
Apply in example, terminal, when first antenna is interfered, can also be sentenced by two antennas while reception signal
Disconnected second antenna is carried out to the receiving sensitivity of signal according to real-time reception sensitivity of two antennas to signal
Multilevel iudge, if the receiving sensitivity of work antenna is less than emergency antenna, pass through antenna change-over switch 34
The circuit that terminal is connected with first antenna is switched to and is connected with the second antenna.
In the present embodiment,, will be fixed when setting antenna in order to reduce the second antenna by artificial interference
It is arranged to antenna on the first antenna, because directional aerial has the gain of preferable directionality, because
This, in the provisioning process, should determine terminal according to some use habits of user when using the terminal
Noiseless direction, or the terminal itself is to the noiseless direction blocked of signal, according to the direction of determination
The placement direction of directional aerial is arranged to consistent with the noiseless direction of terminal or unobstructed direction so that
When switching to the second antenna reception signal, it can guarantee that terminal has optimal signal receiving performance.Also make simultaneously
Terminal after switching to and being connected with emergency antenna, there is the property of preferable directional gain using directional aerial
Can so that terminal preferably receives outer signals, had so both been avoided that influence of the human body to mobile phone signal, and had subtracted
Small mobile phone radiation SAR value, for and can under the conditions of equal input power, the aggregation gain of directionality improves mobile phone
Antenna actual efficiency.For the direction of directional aerial, the use that can also be in using terminal according to user is set
It is accustomed to set, particularly according to user when using mobile phone, hand channel often holds the direction of mobile phone, and two set
The direction of the antenna reception signal should be avoided holding place when putting the second antenna, made so as to avoid user
Interference of the used time to antenna.
In the present embodiment, after signal processing circuit 33 obtains the receiving sensitivity of each antenna by detection, also
Including the work receiving sensitivity of antenna and the receiving sensitivity of emergency antenna that detect are subtracted each other, connect
Sensitivity difference is received, then judges whether the difference is more than preset value, if being more than, is opened by antenna switching
Pass 34 switches to terminal to be connected with emergency antenna, passes through emergency antenna reception signal.
Specifically, in the present embodiment, the antenna change-over switch specifically uses double-point double-throw switch, described
When the detection first antenna of signal processing circuit 33 and the receiving sensitivity of the second use antenna, it is double to pass through double-pole first
Throw switch all connects two antennas, and antenna receives the signal in the external world, and signal processing circuit 33 is according to antenna
The signal performance parameter received determines the receiving sensitivity value of antenna, by connecing for first antenna and the second antenna
Receive Sensitirity va1ue to be compared to each other, if the receiving sensitivity of first antenna is less than emergency antenna, need institute
State terminal and switched to from the state being connected with first antenna and is connected with the second antenna；Or by second-line reception
The receiving sensitivity value of Sensitirity va1ue and first antenna is subtracted each other, and then enters the difference for subtracting each other to obtain with preset value
Row multilevel iudge, if being judged as, difference is more than preset value, needs the terminal being connected from first antenna
State switch to and be connected with the second antenna.
In the present embodiment, in order to improve the accuracy to antenna performance parameters detection, the present embodiment also provides
Carrying out repeated detection goes the mode of average value to be detected, and specifically pre-sets a period, passes through
Two antennas are detected in real time simultaneously within the default period, multiple connect is obtained by repeated detection
After receiving sensitivity, the receiving sensitivity arrived according to repeated detection carries out the calculating of average value, finally by calculating
Obtained average value judges whether that antenna is interfered.
With reference to the particular circuit configurations of antenna-switching device provided in an embodiment of the present invention to filling in switching side
Method is described further.
3rd embodiment：
Fig. 4 is refer to, Fig. 4 is the circuit structure diagram of antenna-switching device provided in an embodiment of the present invention.
Include two antennas in the antenna-switching device 3 that the present embodiment provides, antenna 41 is first antenna, day
Line 42 is emergency antenna, double-point double-throw switch 43, multiplexer 44, comparator 45, RF IC 46,
With signal demodulator 47, wherein, antenna-switching device 3 by double-point double-throw switch 43 select antenna 41 or
Antenna 42 receives the signal in the external world, and the processing of signal is then carried out by multiplexer 44, is sent out after the completion of processing
Deliver to RF IC 46, the signal detection day that RF IC 46 sends over according to multiplexer 44
Line 41 and antenna 42 obtain to the receiving sensitivity of signal, signal demodulator 47 from RF IC 46
The receiving sensitivity of antenna 41 and antenna 42 is taken, and is judged whether according to receiving sensitivity to meet default cut
Condition is changed, if satisfied, then control double-point double-throw switch is mutually switched.
Specifically, in the present embodiment, antenna 41 and antenna 42 in Fig. 4 are separately positioned on terminal (such as
Mobile phone) top and bottom, generally, antenna 41 and antenna 42 are encapsulated in the inside of terminal, example
Such as, antenna 41 is arranged on mobile phone battery cover, and antenna 42 is arranged on circuit board of mobile phone or be arranged on mobile phone
Upper casing periphery, further, other antennas, e.g., gps antenna can also be set in terminal.
In the present embodiment, antenna-switching device 3 is when carrying out the detection of receiving sensitivity, first by double
Antenna 41 and antenna 42 are also turned on reception signal by double-pole double throw switch, and signal demodulator 47 obtains antenna 41
With the receiving sensitivity value of antenna 42, the receiving sensitivity value of two antennas is compared, or after subtracting each other
Difference is obtained, by the difference compared with preset value, is determined the need for switching day according to result of the comparison
Line.
In the present embodiment, if result of the comparison for antenna 41 receiving sensitivity be less than antenna 42 or
Difference is more than preset value, then controls double-point double-throw switch 43 to switch to terminal and be connected with emergency antenna, passed through
Emergency antenna reception signal.
Further, when terminal is switched into emergency antenna, particularly when difference is more than preset value,
Antenna-switching device 3 controls antenna change-over switch 43 to switch to the circuit being connected with antenna 41 and antenna 42
Connection so that the circuit being connected respectively with antenna 41 and antenna 42 is connected with antenna 42 simultaneously, so as to ensure
Terminal can be according to the receiving sensitivity of the antenna detected in real time under any scene, or will with day
The circuit that line 41 connects switches to be connected with antenna 42, only passes through the reception signal of antenna 42.
In summary, a kind of antenna switching method and device provided in an embodiment of the present invention, by setting
Each performance indications of first antenna and the second antenna in terminal are detected, and the specific performance indications are
Receiving sensitivity, judges whether the receiving sensitivity meets default switching condition, if satisfied, then by
One antenna switches to the second antenna reception signal；Judge two according to the real-time reception sensitivity to two antennas
Whether the ability of antenna reception signal meets default switching condition, and the switching of antenna is carried out according to judged result,
So that terminal after being interfered, still can keep best receiving ability, and the second antenna is arranged to
Directional aerial, the direction of directional aerial is set it is consistent with the unobstructed direction of terminal, be specifically arranged at and
Usual crawl during user's using terminal is in opposite direction, in particular fractal antenna, and the directional aerial has with dividing
The characteristics of shape antenna is the same, there is the gain of preferable directionality, be so both avoided that human body to mobile phone signal
Influence, reduce mobile phone radiation than yield, under the conditions of equal input power, the aggregation of directionality increases and can
Benefit improves antenna for mobile phone actual efficiency, and also taking full advantage of directional aerial has the property of preferable directional gain
Energy.
Obviously, those skilled in the art should be understood that each module of the embodiments of the present invention or each step
It can be realized with general computing device, they can be concentrated on single computing device, or distribution
On the network that multiple computing devices are formed, alternatively, the program that they can be can perform with computing device
Code is realized, it is thus possible to be stored in computer-readable storage medium (ROM/RAM, magnetic disc, light
Disk) in performed by computing device, and in some cases, can be to be performed different from order herein
Shown or described step, either they are fabricated to respectively each integrated circuit modules or by they
In multiple modules or step be fabricated to single integrated circuit module to realize.So the present invention is not restricted to
Any specific hardware and software combines.
Above content is to combine the further description that specific embodiment is made to the embodiment of the present invention,
The specific implementation of the invention is not to be limited to these illustrations.For the general of the technical field of the invention
For logical technical staff, without departing from the inventive concept of the premise, can also make it is some it is simple deduce or
Replace, should all be considered as belonging to protection scope of the present invention.
Claims (11)
1. a kind of antenna switching method, including：
First antenna and the second antenna are set in terminal, wherein in the first operative state, the terminal is led to
The first antenna reception signal is crossed, second antenna is as emergency antenna；
Detect first antenna and each performance indications of the second antenna；
Judge whether each performance indications meet default switching condition；
If meeting switching condition, the terminal is switched into the second working condition, institute from the first working condition
State the second working condition and pass through the second antenna reception signal for the terminal.
2. antenna switching method according to claim 1, it is characterised in that the first antenna
For omnidirectional antenna, second antenna is directional aerial.
3. antenna switching method according to claim 2, it is characterised in that described in terminal
First antenna and the second antenna is set to include：By the screen of the directional aerial and omnidirectional antenna along the terminal
Curtain direction is overlapped, and the directional aerial is arranged at the top of the omnidirectional antenna, and by described in
The direction of directional aerial reception signal is arranged in opposite direction with usual crawl during user's using terminal.
4. according to the antenna switching method described in any one of claims 1 to 3, it is characterised in that institute
Stating each performance indications includes receiving sensitivity；Detection first antenna and each performance indications of the second antenna include：
The first antenna and the second antenna are carried out repeatedly to the receiving sensitivity of signal in preset time period
Detection；
Average value is calculated according to repeated detection to the receiving sensitivity of two antennas respectively, and by the average value
Receiving sensitivity as antenna.
5. antenna switching method according to claim 4, it is characterised in that judge each property
Whether energy index meets that default switching condition includes：Second antenna for judging to detect connects to signal
Receive whether sensitivity is more than preset value with the first antenna to the difference of the receiving sensitivity of signal, if described
Difference is more than preset value, then meets default switching condition.
6. a kind of antenna-switching device, including：First antenna, the second antenna, signal processing circuit and
Antenna change-over switch；
The first antenna and the second antenna are used for reception signal, wherein in the first operative state, the letter
Number process circuit is by the first antenna reception signal, and second antenna is as emergency antenna；
The signal processing circuit is used to control the first antenna and the second antenna reception signal, and detects two
Each performance indications of individual antenna, judge whether to meet default switching condition according to each performance indications；
The antenna change-over switch is used for when the signal processing circuit judges to meet switching condition, by described in
Terminal switches to the second working condition from the first working condition, and second working condition is that the terminal passes through
Second antenna reception signal.
7. antenna-switching device according to claim 6, it is characterised in that each performance refers to
Mark includes receiving sensitivity；The signal processing circuit in preset time period respectively to the first antenna and
The receiving sensitivity of second antenna carries out multiple detection, sensitive according to the reception of repeated detection to two antennas
Degree calculates average value, and the receiving sensitivity using the average value as antenna respectively.
8. antenna-switching device according to claim 6, it is characterised in that the signal transacting
Circuit is used for the difference for judging the receiving sensitivity of second antenna and the receiving sensitivity of the first antenna
Whether it is more than preset value, if the difference is more than preset value, meets default switching condition.
9. according to the antenna-switching device described in any one of claim 6 to 8, it is characterised in that institute
It is omnidirectional antenna to state first antenna, and second antenna is directional aerial.
10. according to the antenna-switching device described in any one of claim 6 to 8, it is characterised in that institute
It is double-point double-throw switch to state antenna change-over switch.
A kind of 11. mobile terminal, it is characterised in that including：As described in any one of claim 6 to 10
Antenna-switching device.
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| CN201610450084.8A CN107528606B (en) | 2016-06-21 | 2016-06-21 | Antenna switching method and device and mobile terminal |
| PCT/CN2016/099247 WO2017219516A1 (en) | 2016-06-21 | 2016-09-18 | Antenna switching method and device, and mobile terminal |
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| CN201610450084.8A CN107528606B (en) | 2016-06-21 | 2016-06-21 | Antenna switching method and device and mobile terminal |
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| CN107528606B CN107528606B (en) | 2020-10-16 |
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| WO (1) | WO2017219516A1 (en) |
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| WO2017219516A1 (en) | 2017-12-28 |
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