CN103414507A - Mobile terminal and method and device for switching antennas of mobile terminal - Google Patents
Mobile terminal and method and device for switching antennas of mobile terminal Download PDFInfo
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- CN103414507A CN103414507A CN2013103200679A CN201310320067A CN103414507A CN 103414507 A CN103414507 A CN 103414507A CN 2013103200679 A CN2013103200679 A CN 2013103200679A CN 201310320067 A CN201310320067 A CN 201310320067A CN 103414507 A CN103414507 A CN 103414507A
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Abstract
The embodiment of the invention provides a mobile terminal and a method and device for switching antennas of the mobile terminal. The method includes the steps of receiving first signal intensity received by the first antenna on the mobile terminal and second signal intensity received by the second antenna on the mobile terminal, comparing the first signal intensity with the second signal intensity, and controlling the mobile terminal to use the antenna with the high signal intensity. According to the mobile terminal and the method and device for switching the antennas of the mobile terminal, the problems that the mobile terminal is large in power consumption, short in stand-by time and poor in communication quality can be solved.
Description
Technical field
The embodiment of the present invention relates to the mobile device technical field, particularly relates to the switching method and apparatus of a kind of mobile terminal and antenna thereof.
Background technology
Along with the development of modern electronic technology, the use of the mobile radio terminals such as smart mobile phone is more and more universal, and its integrated level is also more and more higher.Up to the present, on mobile radio terminal, be integrated with second generation mobile communication technology (Second generation, 2G), third generation mobile technology (3rd-generation, 3G), bluetooth (Bluetooth, BT), WLAN (Wireless Local Area Networks, WLAN), FM broadcasting (Frequency Modulation, FM), global positioning system (Global Positioning System, GPS) and near field communication (NFC) (Near Field Communication, NFC) communication module and camera and the various sensor functional module such as.Be accompanied by the raising of mobile radio terminal integrated level and the increase of screen thereof, its power consumption also increases thereupon, and stand-by time shortens.
In order to extend the stand-by time of mobile radio terminal, can, by optimizing the circuit design of mobile radio terminal, reduce its power consumption.Radio circuit is as the communication module of mobile radio terminal, and the power consumption of radio circuit transmitter has determined the power consumption of radio circuit.According to the radio communication theory, under certain wireless communications environment, the radiant power that requires the antenna of mobile radio terminal is certain, and the radiation efficiency of antenna is higher, require the power output of transmitter just lower, thereby the power consumption of mobile radio terminal integral body is also just lower.Therefore in the Antenna Design process of mobile radio terminal, the radiation efficiency of its antenna is maximized.
The performance of antenna is subjected to the parameter influence of the material such as the medium, conductor around its operational environment, and operational environment is called as the residing electromagnetic environment of antenna.For the antenna of mobile radio terminal, most typical two electromagnetic environments are that mobile radio terminal is in the free space state, and mobile radio terminal is near the operating state of head.
The mobile phone of take is example, in correlation technique, is to take into account simultaneously the performance under its two kinds of electromagnetic environment states with an antenna, and under two states, balance makes its performance reach optimal value.Its design cycle is generally under the state of free space, to optimize the performance of antenna; After the antenna performance efficiency under the free space state touches the mark requirement, test again hand-held near the antenna radiation efficiency under the head state.If the variation of electromagnetic environment state is on the impact of antenna performance within acceptable scope, above-mentioned antenna uses as the antenna of final version.Although, the variation of electromagnetic environment state on the impact of antenna performance within acceptable scope, but under the close operating state of head of hand-hold wireless mobile terminal, the radiation efficiency of above-mentioned antenna is not the best radiation efficiency under equal wireless communications environment, the radiation efficiency of above-mentioned antenna reduces, the power output of transmitter increases, and then the power consumption of mobile radio terminal integral body also increases, and power consumption increases.
Summary of the invention
The embodiment of the present invention provides a kind of changing method of mobile terminal antenna, large with mobile terminal power consumption in the solution background technology, the problem that stand-by time is short and communication quality is poor.
Accordingly, the embodiment of the present invention also provides a kind of switching device shifter and a kind of mobile terminal of mobile terminal antenna, in order to guarantee the implementation and application of said method.
In order to address the above problem, the embodiment of the invention discloses a kind of changing method of mobile terminal antenna, comprising:
The secondary signal intensity that the first signal intensity that on mobile terminal receive, the first antenna is received and the second antenna are received;
The size of more described first signal intensity and secondary signal intensity;
According to described comparative result, control described mobile terminal and use the larger antenna of signal strength signal intensity.
Preferably, the described mobile terminal of described control is used the larger antenna of signal strength signal intensity, comprising:
When described the first antenna of the current use of described mobile terminal, if being first signal intensity, described comparative result is more than or equal to secondary signal intensity, control described mobile terminal and continue to use described the first antenna; If described comparative result is first signal intensity, be less than secondary signal intensity, control described mobile terminal switching and use described the second antenna;
When described the second antenna of the current use of described mobile terminal, if being first signal intensity, described comparative result is more than or equal to secondary signal intensity, control described mobile terminal switching and use described the first antenna; If described comparative result is first signal intensity, be less than secondary signal intensity, control described mobile terminal and continue to use described the second antenna.
Preferably, the secondary signal intensity that the first signal intensity that on described mobile terminal receive, the first antenna is received and the second antenna are received comprises:
By the main transceiver that arranges in described mobile terminal and auxiliary receiver, receive respectively the secondary signal intensity that first signal intensity that on described mobile terminal, the first antenna is received and the second antenna are received;
Wherein, described main transceiver is connected the arbitrary antenna in described the first antenna and the second antenna, and described auxiliary receiver is connected another antenna.
Preferably, the described mobile terminal of described control is used the larger antenna of signal strength signal intensity, comprising:
The main transceiver of controlling in described mobile terminal is connected larger the first antenna or the second antenna of use signal strength signal intensity, and the auxiliary receiver of controlling in described mobile terminal is connected untapped the second antenna or the first antenna.
Preferably, the main transceiver in the described mobile terminal of described control is connected the first antenna or the second antenna that described switching is used, and comprising:
Control the first antenna or second antenna of the logical described switching use of a side joint of the described main transceiver of dpdt double-pole double-throw (DPDT) antenna change-over switch connection in described mobile terminal;
Auxiliary receiver in the described mobile terminal of described control is connected untapped the second antenna or the first antenna, comprising:
Control logical described untapped the second antenna of a side joint or the first antenna that dpdt double-pole double-throw (DPDT) antenna change-over switch described in described mobile terminal connects described auxiliary receiver;
Wherein, described main transceiver is connected with an end of described dpdt double-pole double-throw (DPDT) antenna change-over switch respectively with described auxiliary receiver.
The embodiment of the invention discloses a kind of switching device shifter of mobile terminal antenna, described device comprises:
Signal receiving module, the secondary signal intensity that the first signal intensity of receiving for the first antenna on mobile terminal receive and the second antenna are received;
The signal comparison module, for the size of more described first signal intensity and secondary signal intensity;
Control module, used the larger antenna of signal strength signal intensity for according to described comparative result, controlling described mobile terminal.
Preferably, described control module comprises:
The first switching controls submodule, for when described the first antenna of the current use of described mobile terminal, be more than or equal to secondary signal intensity if described comparative result is first signal intensity, controls described mobile terminal and continue to use described the first antenna; If described comparative result is first signal intensity, be less than secondary signal intensity, control described mobile terminal switching and use described the second antenna.
The second switching controls submodule, for when described the second antenna of the current use of described mobile terminal, be more than or equal to secondary signal intensity if described comparative result is first signal intensity, controls described mobile terminal switching and use described the first antenna; If described comparative result is first signal intensity, be less than secondary signal intensity, control described mobile terminal and continue to use described the second antenna.
The embodiment of the invention discloses a kind of mobile terminal, described mobile terminal comprises:
The first antenna and the second antenna, described mobile terminal also comprises:
Central processing unit, the secondary signal intensity of receiving be used to receiving first signal intensity that described the first antenna receives and described the second antenna; The size of more described first signal intensity and secondary signal intensity; According to described comparative result, control described mobile terminal and use the larger antenna of signal strength signal intensity.
Preferably, described mobile terminal also comprises:
Main transceiver and auxiliary receiver;
One end of described main transceiver connects described central processing unit, and the other end of described main transceiver is connected the arbitrary antenna in described the first antenna and the second antenna;
One end of described auxiliary receiver connects described central processing unit, and the other end of described auxiliary receiver is connected another antenna;
Described main transceiver and auxiliary receiver receive respectively the first signal intensity of described the first antenna reception and the secondary signal intensity of described the second antenna reception, and pass to described central processing unit.
Preferably, described mobile terminal also comprises:
The dpdt double-pole double-throw (DPDT) antenna change-over switch, an end of described dpdt double-pole double-throw (DPDT) antenna change-over switch connects respectively described main transceiver and auxiliary receiver, and the other end of described dpdt double-pole double-throw (DPDT) antenna change-over switch connects respectively described the first antenna and the second antenna;
Described central processing unit is when controlling described mobile terminal and use the larger antenna of signal strength signal intensity, to described dpdt double-pole double-throw (DPDT) antenna change-over switch, transmit control signal, described dpdt double-pole double-throw (DPDT) antenna change-over switch will connect larger the first antenna or second antenna of a side joint logical use signal strength signal intensity of described main transceiver according to described control signal in the other end, and will in the described other end, connect opposite side untapped the second antenna of connection or first antenna of described auxiliary receiver.
With background technology, compare, the embodiment of the present invention comprises following advantage:
The changing method of a kind of mobile terminal antenna that the embodiment of the present invention provides, by two real-time received signal strengths of antenna, the first antenna reception first signal intensity, the second antenna reception secondary signal intensity, relatively the size of first signal intensity and secondary signal intensity, control described mobile terminal and use the larger antenna of signal strength signal intensity.Because the first antenna and the second antenna are in the received signal strength state all the time, therefore, in case mobile terminal environment change of living in, immediate reaction is the change of first signal intensity and secondary signal intensity, and then comparative result changes thereupon, according to the variation of comparative result, select the switching of antenna.By said method, can judge accurately in real time the residing environment of mobile terminal, and then under the automatic switchover current environment best performance antenna as work antenna, guaranteed in any environment, the performance of the work antenna of mobile terminal choice for use is all optimum, the radiation efficiency of antenna is the highest, make the transmitting power of mobile terminal reduce, thereby reduced the power consumption of mobile terminal, extended stand-by time.
Simultaneously, because the performance of the work antenna of mobile terminal choice for use is all optimum in any environment, so guaranteed the communication quality of mobile terminal in any environment, reduced the impact of electromagnetic radiation on human body.
The accompanying drawing explanation
Fig. 1 is the changing method flow chart of a kind of mobile terminal antenna of the embodiment of the present invention;
Fig. 2 is a kind of dual-antenna system theory diagram of the embodiment of the present invention;
Fig. 3 is the changing method flow chart of a kind of mobile terminal antenna of another embodiment of the present invention;
Fig. 4 is the switching device shifter structure chart of a kind of mobile terminal antenna of the embodiment of the present invention;
Fig. 5 is the structure chart of a kind of mobile terminal in the embodiment of the present invention.
Embodiment
For above-mentioned purpose, the feature and advantage that make the embodiment of the present invention can become apparent more, below in conjunction with the drawings and specific embodiments, the embodiment of the present invention is described in further detail.
The embodiment of the present invention provides a kind of changing method of mobile terminal antenna, the first antenna and the second antenna are in the received signal strength state all the time, by the first signal intensity that relatively receives and the size of secondary signal intensity, and then complete the switching between mobile terminal the first antenna and the second antenna, make mobile terminal under different environment all the best antenna of serviceability as the work antenna, reduced the transmitting power of mobile terminal, extend the stand-by time of mobile terminal, guaranteed simultaneously the communication quality under varying environment.
With reference to Fig. 1, show the changing method flow chart of a kind of mobile terminal antenna of the embodiment of the present invention, the embodiment of the present invention can comprise the steps:
Antenna is as a radio-frequency devices of working under open environment, its performance and the operational environment around it have close relationship, the parameter materials such as the medium of the residing environment of mobile terminal, conductor can affect the electromagnetic signal strength size that antenna reception arrives, when the parameter that has conductor material near the dielectric material around antenna or antenna changed, the performance of antenna all can change thereupon.
In a preferred embodiment of the present invention, mobile terminal is because of its mobility, thereby the environment of its antenna work becomes while being also, and the residing environment of mobile terminal can comprise: free space state and mobile terminal are near the operating state of head; Wherein, the free space state refers to residing space environment under the free laying state of mobile terminal.Mobile terminal under the free space state or at mobile terminal near under the operating state of head, the signal strength signal intensity of the first antenna reception is called first signal intensity, the signal strength signal intensity of the second antenna reception is called secondary signal intensity.
The performance of antenna can change along with the parameter difference of the dielectric material around antenna, because mobile terminal the first antenna is different with the second antenna design attitude on mobile terminal, and then the parameter of the dielectric material of the first antenna and the second antenna around under different conditions is also different, therefore the first antenna is different with the performance of the second antenna, even and then mobile terminal is under equivalent environment, the first signal intensity of the first antenna reception and the secondary signal intensity of the second antenna reception are also different.
The first antenna can be used as the work antenna under the free space state, also can be used as at mobile terminal near the work antenna under the operating state of head; Equally, the second antenna can be used as the work antenna under the free space state, also can be used as at mobile terminal near the work antenna under the operating state of head.When the first antenna during as the work antenna under the free space state, the second antenna as at mobile terminal near the work antenna under the operating state of head; As at mobile terminal during near the work antenna under the operating state of head, the second antenna is as the work antenna under the free space state when the first antenna.
In the embodiment of the present invention, can be set to the work antenna under the free space state by the first antenna, relatively the size of first signal intensity and secondary signal intensity, obtain comparative result.When the first signal intensity received when the first antenna was more than or equal to the secondary signal intensity that the second antenna receives, the comparative result obtained is: mobile terminal was under the free space state; When the first signal intensity received when the first antenna was less than the secondary signal intensity that the second antenna receives, the comparative result obtained is: mobile terminal was in mobile terminal near under the operating state of head.
According to the big or small comparative result of first signal intensity and secondary signal intensity, control mobile terminal and use the larger antenna of signal strength signal intensity.
In a preferred embodiment of the present invention, mobile terminal is current to be under the free space state, and while using the first antenna as the work antenna, step 106, control mobile terminal and use the larger antenna of signal strength signal intensity, can comprise following two kinds of situations:
Situation that keep to use the first antenna not switch namely keeps the first antenna as the work antenna:
When comparative result is that first signal intensity is while being more than or equal to secondary signal intensity, mean that mobile terminal is under the free space state, mobile terminal environment of living in does not change, and current first antenna that using of mobile terminal is as the work antenna, therefore do not carry out the antenna switching, continuing to keep the first antenna is the work antenna.
The situation of the second antenna is used in switching, i.e. switching is used the second antenna as the work antenna:
When comparative result is that first signal intensity is while being less than secondary signal intensity, mean that mobile terminal is near under the operating state of head, mobile terminal environment change of living in, and current first antenna that using of mobile terminal is as the work antenna, therefore carry out the antenna switching, switching the second antenna is the work antenna.
In another kind of preferred embodiment of the present invention, mobile terminal is current to be under the close operating state of head of mobile terminal, while using the second antenna as the work antenna, and step 106, control mobile terminal and use the larger antenna of signal strength signal intensity, can comprise following two kinds of situations:
The situation of the first antenna is used in switching, i.e. switching is used the second antenna as the work antenna:
When comparative result is that first signal intensity is while being more than or equal to secondary signal intensity, mean that mobile terminal is under the free space state, mobile terminal environment change of living in, and current second antenna that using of mobile terminal is as the work antenna, therefore carry out the antenna switching, switching the first antenna is the work antenna.
Situation that keep to use the second antenna not switch namely keeps the second antenna as the work antenna:
When comparative result is that first signal intensity is while being less than secondary signal intensity, mean that mobile terminal is near under the operating state of head, mobile terminal environment of living in does not change, and current second antenna that using of mobile terminal is as the work antenna, therefore do not carry out the antenna switching, continuing to keep the second antenna is the work antenna.
In another kind of preferred embodiment of the present invention, mobile terminal can be used the second antenna as the work antenna under free state, and simultaneously, the first antenna is as the work antenna under the close head operating state of mobile terminal.Control mobile terminal and use the method reference of the antenna that signal strength signal intensity is larger as the determination methods of above-mentioned embodiment, discuss no longer in detail herein.
In sum, the changing method of a kind of mobile terminal antenna that the embodiment of the present invention provides, by the first signal intensity that relatively receives and the size of secondary signal intensity, control mobile terminal and use the larger antenna of signal strength signal intensity.If mobile terminal environment of living in changes, immediately control the mobile terminal switched antenna, select to change the antenna of best performance under rear environment as the work antenna; If mobile terminal environment of living in does not change, control mobile terminal and continue to keep using current antenna as the work antenna.Said method relatively can be judged the residing environment of mobile terminal in real time accurately by signal strength signal intensity, and then under the automatic switchover current environment best performance antenna as work antenna, guaranteed in any environment, the performance of the work antenna of mobile terminal choice for use is all optimum, the radiation efficiency of antenna is the highest, make the transmitting power of mobile terminal reduce, thereby reduced the power consumption of mobile terminal, extended stand-by time.
In a preferred embodiment of the present invention, with reference to Fig. 2, show a kind of dual-antenna system theory diagram of the embodiment of the present invention.Dual-antenna system comprises: the first antenna, the second antenna, main transceiver, auxiliary receiver, dpdt double-pole double-throw (DPDT) antenna change-over switch and central processing unit.Wherein the first antenna, the second antenna, main transceiver and auxiliary receiver all are connected with the dpdt double-pole double-throw (DPDT) antenna change-over switch respectively, and main transceiver also is connected with central processing unit respectively with auxiliary receiver simultaneously." left side " in following content and " right side " only represent " left side " and " right side " of shown position in the embodiment of the present invention.
With reference to Fig. 3, show the changing method flow chart of a kind of mobile terminal antenna of another embodiment of the present invention.
In embodiments of the present invention, the secondary signal intensity received by the main transceiver that arranges in mobile terminal and the auxiliary receiver first signal intensity that the first antenna is received on mobile terminal receive respectively and the second antenna of central processing unit; Wherein, main transceiver is connected the arbitrary antenna in the first antenna and the second antenna, and auxiliary receiver is connected another antenna.
The first antenna and the second antenna be the while received signal strength all the time, and the signal strength signal intensity of the first antenna reception is first signal intensity, and the signal strength signal intensity of the second antenna reception is secondary signal intensity.When main transceiver is connected the first antenna, the first signal intensity that on main transceiver mobile terminal receive, the first antenna is received; Simultaneously, auxiliary receiver is connected the second antenna, the secondary signal intensity that on auxiliary receiver mobile terminal receive, the second antenna is received.When main transceiver is connected the second antenna, the secondary signal intensity that on main transceiver mobile terminal receive, the second antenna is received; Simultaneously, auxiliary receiver is connected the first antenna, the first signal intensity that on auxiliary receiver mobile terminal receive, the first antenna is received.
In a kind of preferred embodiment of the present invention, above-mentioned steps 302 can comprise following two kinds of situations:
Main transceiver receives first signal intensity.
When central processing unit, controlling the dpdt double-pole double-throw (DPDT) antenna change-over switch connects the first antenna and main transceiver, during by the second antenna and the connection of auxiliary receiver, the first signal intensity that the first antenna receives receives and passes to central processing unit by main transceiver, and the secondary signal intensity that the second antenna receives receives and pass to central processing unit by auxiliary receiver.
Main transceiver receives secondary signal intensity.
When central processing unit, controlling the dpdt double-pole double-throw (DPDT) antenna change-over switch connects the second antenna and main transceiver, during by the first antenna and the connection of auxiliary receiver, the secondary signal intensity that the second antenna receives is received by main transceiver, and the first signal intensity that the first antenna receives is received by auxiliary receiver.
Even under equivalent environment, because the first antenna is different with the second antenna arranges on mobile terminal position, therefore the performance of the first antenna and the performance of the second antenna are also different, and the first signal intensity that the first antenna and the second antenna receive and secondary signal intensity are also different usually.Central processing unit contrasts first signal intensity and the secondary signal intensity received, and obtains comparative result: mobile terminal is under the free space state or mobile terminal is near under the operating state of head.
In a preferred embodiment of the present invention, the first antenna is as the work antenna, central processing unit produces a logical signal according to comparative result: when comparative result is that mobile terminal is in free space state lower time, it is logical zero that central processing unit sends dpdt double-pole double-throw (DPDT) antenna change-over switch control signal; When comparative result is that mobile terminal was near head talking state lower time, it is logical one that central processing unit sends dpdt double-pole double-throw (DPDT) antenna change-over switch control signal.In Table 1:
Table 1
Control mobile terminal and use the larger antenna of signal strength signal intensity, can comprise following two kinds of situations:
When current use the first antenna of mobile terminal, if being first signal intensity, comparative result is more than or equal to secondary signal intensity, control mobile terminal and continue to use the first antenna; If comparative result is first signal intensity, be less than secondary signal intensity, control the mobile terminal switching and use the second antenna.
When current use the second antenna of mobile terminal, if being first signal intensity, comparative result is more than or equal to secondary signal intensity, control the mobile terminal switching and use the first antenna; If comparative result is first signal intensity, be less than secondary signal intensity, control mobile terminal and continue to use the second antenna.
In a preferred embodiment of the invention, the main transceiver that central processing unit is controlled in mobile terminal is connected larger the first antenna or the second antenna of signal strength signal intensity used, and the auxiliary receiver of controlling in mobile terminal is connected untapped the second antenna or the first antenna.Further, main transceiver is connected with an end of dpdt double-pole double-throw (DPDT) antenna change-over switch respectively with auxiliary receiver.Central processing unit can be controlled the first antenna or second antenna of the logical switching use of a side joint of the main transceiver of dpdt double-pole double-throw (DPDT) antenna change-over switch connection in mobile terminal, and controls auxiliary receiver untapped the second antenna of connection or the first antenna in mobile terminal; Central processing unit can also be controlled the opposite side of the auxiliary receiver of dpdt double-pole double-throw (DPDT) antenna change-over switch connection in mobile terminal and connect untapped the second antenna or the first antenna.Wherein, the work antenna refers to: a certain antenna and main transceiver are connected, and above-mentioned a certain antenna is the work antenna.
In another preferred embodiment of the present invention, the first antenna is as the work antenna under the free space state, and the second antenna is as the work antenna under the close operating state of head of mobile terminal.Central processing unit, by controlling a dpdt double-pole double-throw (DPDT) antenna change-over switch, completes circuit switching between the first antenna and the second antenna.The probability that is in the free space state because of mobile radio terminal will be in hand-held operating state near head far above it, under default conditions, dpdt double-pole double-throw (DPDT) antenna change-over switch this path of left side and the first antenna are connected, namely, the first antenna is connected on main transceiver, main transceiver receives the first signal intensity that the first antenna is received, and passes to central processing unit; This road, dpdt double-pole double-throw (DPDT) antenna change-over switch right side and the second antenna are connected, that is, the second antenna is connected on auxiliary receiver, and auxiliary receiver receives the secondary signal intensity that the second antenna is received, and passes to central processing unit.
Central processing unit receives first signal intensity and secondary signal intensity in real time, and contrast first signal intensity and secondary signal intensity size, if first signal intensity is more than or equal to secondary signal intensity, mobile terminal is under the free space state, and central processing unit control dpdt double-pole double-throw (DPDT) antenna change-over switch is maintained the statusquo; If first signal intensity is less than secondary signal intensity, mobile terminal is near under the head talking state, central processing unit transmits control signal to the dpdt double-pole double-throw (DPDT) antenna change-over switch, control signal is set to high level (logical one in table 1), dpdt double-pole double-throw (DPDT) antenna change-over switch this path of left side and the second antenna are connected, that is, the second antenna is connected on main transceiver; This path of dpdt double-pole double-throw (DPDT) antenna change-over switch right side and the first antenna are connected, that is, the first antenna is connected on auxiliary receiver.Main transceiver and auxiliary receiver continue to report the first signal that receives and secondary signal to central processing unit, now, main transceiver reports central processing unit by the secondary signal of the second antenna reception, and auxiliary receiver reports central processing unit by the first signal of the first antenna reception.Equally, when first signal intensity was less than secondary signal intensity, central processing unit was set to low level (logical zero in table 1) by dpdt double-pole double-throw (DPDT) antenna change-over switch control signal, and the dpdt double-pole double-throw (DPDT) antenna change-over switch switches, and its recovering state is to default conditions.Thereby while realizing that wireless terminal is worked under different environment, the switching between the first antenna and the second antenna.
In sum, the embodiment of the present invention provides a kind of mobile terminal antenna changing method, and central processing unit carries out circuit switching by a dpdt double-pole double-throw (DPDT) antenna change-over switch, controls main transceiver and auxiliary receiver received signal strength.When main transceiver was used for the first signal strength reporting that the first antenna is received to central processing unit, the secondary signal strength reporting that auxiliary receiver is used for the second antenna is received was to central processing unit.When main transceiver was used for the secondary signal strength reporting that the second antenna is received to central processing unit, the first signal strength reporting that auxiliary receiver is used for the first antenna is received was to central processing unit.Guaranteed in any environment, central processing unit can received signal strength, and comparison signal intensity selects the antenna of switching property optimum as the work antenna, makes the radiation efficiency of antenna the highest, thereby has reduced the power consumption of mobile terminal, has extended stand-by time.Simultaneously, guaranteed to be near the communication quality under the operating state of head at mobile terminal.
For embodiment of the method, for simple description, therefore it all is expressed as to a series of combination of actions, but those skilled in the art should know, the embodiment of the present invention is not subjected to the restriction of described sequence of movement, because according to the embodiment of the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related action might not be that the embodiment of the present invention is necessary.
Based on same inventive concept, with reference to Fig. 4, show the switching device shifter structure chart of a kind of mobile terminal antenna of the embodiment of the present invention, the embodiment of the present invention can comprise as lower module:
Signal receiving module 402, the secondary signal intensity that the first signal intensity of receiving for the first antenna on mobile terminal receive and the second antenna are received;
Wherein, control module 406 can comprise following submodule:
The first switching controls submodule 4062, for at current first antenna that using of mobile terminal as work during antenna, if signal strength signal intensity relatively result is that first signal intensity is more than or equal to secondary signal intensity, controls mobile terminal and continue to use the first antenna as the work antenna; If signal strength signal intensity relatively result is that first signal intensity is less than secondary signal intensity, controls the mobile terminal switching and use the second antenna as the work antenna.
The second switching controls submodule 4064, for at current use the second antenna of mobile terminal as work during antenna, if signal strength signal intensity relatively result is that first signal intensity is more than or equal to secondary signal intensity, controls the mobile terminal switching and use the first antenna as the work antenna; If signal strength signal intensity relatively result is that first signal intensity is less than secondary signal intensity, controls mobile terminal and continue to use the second antenna as the work antenna.
The switching device shifter of a kind of mobile terminal antenna provided by the invention, in conjunction with the work antenna of the current use of mobile terminal, and, according to the signal strength signal intensity judged result, control mobile terminal and use the larger antenna of signal strength signal intensity.The mobile terminal antenna received signal strength has real-time, real-time received signal strength, all the time select to be applicable to the antenna of current environment as the work antenna, guaranteed under different environment, the performance of antenna is all optimum all the time, make the power consumption minimum of mobile terminal, guarantee that simultaneously communication quality is the highest, also reduced the impact of electromagnetic signal on human body.
For device embodiment, because its changing method embodiment to mobile terminal antenna is substantially similar, so description is fairly simple, relevant part gets final product with reference to the part explanation of the changing method embodiment of mobile terminal antenna.
The embodiment of the present invention also provides a kind of mobile terminal, with reference to Fig. 5, shows the structure chart of a kind of mobile terminal in the embodiment of the present invention.Mobile terminal 500 can comprise: the first antenna 502, the second antenna 504 and central processing unit 506.
One end of main transceiver 508 connects central processing unit 506, and the other end of main transceiver 508 is connected the arbitrary antenna in the first antenna 502 and the second antenna 504; Main transceiver 508 can receive first signal intensity or receive secondary signal intensity; Main transmitting-receiving 508 machines can also be for transmitting when mobile terminal is worked simultaneously, and therefore, the antenna be connected with main transceiver 508 is the work antenna.
One end of auxiliary receiver 510 connects central processing unit 506, and the other end of auxiliary receiver 510 is connected another antenna except arbitrary antenna; Auxiliary reception 510 machines can be used to receiving first signal intensity or secondary signal intensity.
One end of dpdt double-pole double-throw (DPDT) antenna change-over switch 512 connects respectively main transceiver 508 and auxiliary receiver 510, and the other end of dpdt double-pole double-throw (DPDT) antenna change-over switch 512 connects respectively the first antenna 502 and the second antenna 504;
The mobile terminal of a kind of portable antenna switching that the embodiment of the present invention provides, obtain first signal intensity and secondary signal intensity that antenna reception arrives, comparison signal intensity size, the current environment of living in of judgement mobile terminal, central processing unit, by the switching of dpdt double-pole double-throw (DPDT) antenna change-over switch control antenna, has guaranteed under varying environment, the performance of the antenna of selecting is all optimum, the radiation efficiency of antenna is the highest, has saved power consumption, has extended stand-by time.And while making mobile terminal work near the head state, use the second antenna, the performance of the second antenna has obtained significant optimization, has reduced the radiation to human body.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually with reference to getting final product.
Those skilled in the art should understand, the embodiment of the embodiment of the present invention can be provided as method, device or computer program.Therefore, the embodiment of the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect fully.And the embodiment of the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code one or more.
The embodiment of the present invention is to describe with reference to flow chart and/or the block diagram of method, mobile device (system) and computer program according to the embodiment of the present invention.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide processor that these computer program instructions process mobile device to all-purpose computer, special-purpose computer, Embedded Processor or other programmable datas to produce a machine, make and by computer or other programmable datas, process the instruction that the processor of mobile device carries out and produce for realizing the device in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in the energy vectoring computer or other programmable datas are processed in the computer-readable memory of mobile device with ad hoc fashion work, make the instruction be stored in this computer-readable memory produce the manufacture that comprises command device, this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded into computer or other programmable datas are processed on mobile device, make on computer or other programmable movement equipment and to carry out the sequence of operations step to produce computer implemented processing, thereby in the instruction of carrying out on computer or other programmable movement equipment, be provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiment of the embodiment of the present invention, in a single day those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into embodiment of the present invention scope.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades only is used for an entity or operation are separated with another entity or operating space, and not necessarily requires or imply between these entities or operation the relation of any this reality or sequentially of existing.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make the process, method, article or the mobile device that comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or mobile device.In the situation that not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the mobile device that comprises key element and also have other identical element.
Above a kind of mobile terminal that the embodiment of the present invention is provided and the switching method and apparatus of antenna thereof are described in detail, applied specific case herein principle and the execution mode of the embodiment of the present invention are set forth, the explanation of above embodiment is just be used to helping to understand method and the core concept thereof of the embodiment of the present invention; Simultaneously, for one of ordinary skill in the art, the thought according to the embodiment of the present invention, all will change in specific embodiments and applications, and in sum, this description should not be construed as the restriction to the embodiment of the present invention.
Claims (10)
1. the changing method of a mobile terminal antenna, is characterized in that, described method comprises:
The secondary signal intensity that the first signal intensity that on mobile terminal receive, the first antenna is received and the second antenna are received;
The size of more described first signal intensity and secondary signal intensity;
According to described comparative result, control described mobile terminal and use the larger antenna of signal strength signal intensity.
2. method according to claim 1, is characterized in that, the described mobile terminal of described control is used the larger antenna of signal strength signal intensity, comprising:
When described the first antenna of the current use of described mobile terminal, if being first signal intensity, described comparative result is more than or equal to secondary signal intensity, control described mobile terminal and continue to use described the first antenna; If described comparative result is first signal intensity, be less than secondary signal intensity, control described mobile terminal switching and use described the second antenna;
When described the second antenna of the current use of described mobile terminal, if being first signal intensity, described comparative result is more than or equal to secondary signal intensity, control described mobile terminal switching and use described the first antenna; If described comparative result is first signal intensity, be less than secondary signal intensity, control described mobile terminal and continue to use described the second antenna.
3. method according to claim 1, is characterized in that, the secondary signal intensity that the first signal intensity that on described mobile terminal receive, the first antenna is received and the second antenna are received comprises:
By the main transceiver that arranges in described mobile terminal and auxiliary receiver, receive respectively the secondary signal intensity that first signal intensity that on described mobile terminal, the first antenna is received and the second antenna are received;
Wherein, described main transceiver is connected the arbitrary antenna in described the first antenna and the second antenna, and described auxiliary receiver is connected another antenna.
4. method according to claim 3, is characterized in that, the described mobile terminal of described control is used the larger antenna of signal strength signal intensity, comprising:
The main transceiver of controlling in described mobile terminal is connected larger the first antenna or the second antenna of use signal strength signal intensity, and the auxiliary receiver of controlling in described mobile terminal is connected untapped the second antenna or the first antenna.
5. method according to claim 4, is characterized in that, the main transceiver in the described mobile terminal of described control is connected the first antenna or the second antenna that described switching is used, and comprising:
Control the first antenna or second antenna of the logical described switching use of a side joint of the described main transceiver of dpdt double-pole double-throw (DPDT) antenna change-over switch connection in described mobile terminal;
Auxiliary receiver in the described mobile terminal of described control is connected untapped the second antenna or the first antenna, comprising:
Control logical described untapped the second antenna of a side joint or the first antenna that dpdt double-pole double-throw (DPDT) antenna change-over switch described in described mobile terminal connects described auxiliary receiver;
Wherein, described main transceiver is connected with an end of described dpdt double-pole double-throw (DPDT) antenna change-over switch respectively with described auxiliary receiver.
6. the switching device shifter of a mobile terminal antenna, is characterized in that, described device comprises:
Signal receiving module, the secondary signal intensity that the first signal intensity of receiving for the first antenna on mobile terminal receive and the second antenna are received;
The signal comparison module, for the size of more described first signal intensity and secondary signal intensity;
Control module, used the larger antenna of signal strength signal intensity for according to described comparative result, controlling described mobile terminal.
7. device according to claim 6, is characterized in that, described control module comprises:
The first switching controls submodule, for when described the first antenna of the current use of described mobile terminal, be more than or equal to secondary signal intensity if described comparative result is first signal intensity, controls described mobile terminal and continue to use described the first antenna; If described comparative result is first signal intensity, be less than secondary signal intensity, control described mobile terminal switching and use described the second antenna;
The second switching controls submodule, for when described the second antenna of the current use of described mobile terminal, be more than or equal to secondary signal intensity if described comparative result is first signal intensity, controls described mobile terminal switching and use described the first antenna; If described comparative result is first signal intensity, be less than secondary signal intensity, control described mobile terminal and continue to use described the second antenna.
8. a mobile terminal, is characterized in that, described mobile terminal comprises the first antenna and the second antenna, and described mobile terminal also comprises:
Central processing unit, the secondary signal intensity of receiving be used to receiving first signal intensity that described the first antenna receives and described the second antenna; The size of more described first signal intensity and secondary signal intensity; According to described comparative result, control described mobile terminal and use the larger antenna of signal strength signal intensity.
9. mobile terminal according to claim 8, is characterized in that, described mobile terminal also comprises:
Main transceiver and auxiliary receiver;
One end of described main transceiver connects described central processing unit, and the other end of described main transceiver is connected the arbitrary antenna in described the first antenna and the second antenna;
One end of described auxiliary receiver connects described central processing unit, and the other end of described auxiliary receiver is connected another antenna;
Described main transceiver and auxiliary receiver receive respectively the first signal intensity of described the first antenna reception and the secondary signal intensity of described the second antenna reception, and pass to described central processing unit.
10. mobile terminal according to claim 9, is characterized in that, described mobile terminal also comprises:
The dpdt double-pole double-throw (DPDT) antenna change-over switch, an end of described dpdt double-pole double-throw (DPDT) antenna change-over switch connects respectively described main transceiver and auxiliary receiver, and the other end of described dpdt double-pole double-throw (DPDT) antenna change-over switch connects respectively described the first antenna and the second antenna;
Described central processing unit is when controlling described mobile terminal and use the larger antenna of signal strength signal intensity, to described dpdt double-pole double-throw (DPDT) antenna change-over switch, transmit control signal, described dpdt double-pole double-throw (DPDT) antenna change-over switch will connect larger the first antenna or second antenna of a side joint logical use signal strength signal intensity of described main transceiver according to described control signal in the other end, and will in the described other end, connect opposite side untapped the second antenna of connection or first antenna of described auxiliary receiver.
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| CN2013103200679A CN103414507A (en) | 2013-07-26 | 2013-07-26 | Mobile terminal and method and device for switching antennas of mobile terminal |
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| CN2013103200679A CN103414507A (en) | 2013-07-26 | 2013-07-26 | Mobile terminal and method and device for switching antennas of mobile terminal |
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| CN103414507A true CN103414507A (en) | 2013-11-27 |
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| CN2013103200679A Pending CN103414507A (en) | 2013-07-26 | 2013-07-26 | Mobile terminal and method and device for switching antennas of mobile terminal |
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Address after: 100085 Beijing city Haidian District Qinghe Street No. 68 Huarun colorful city shopping center two floor 13 Applicant after: Xiaomi Technology Co., Ltd. Address before: 100102 Beijing Wangjing West Road, a volume of stone world building, A, block, floor 12 Applicant before: Beijing Xiaomi Technology Co., Ltd. |
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