CN101854709A - Method and device for switching dual-card dual-standby terminal wireless communication module - Google Patents
Method and device for switching dual-card dual-standby terminal wireless communication module Download PDFInfo
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- CN101854709A CN101854709A CN201010194589A CN201010194589A CN101854709A CN 101854709 A CN101854709 A CN 101854709A CN 201010194589 A CN201010194589 A CN 201010194589A CN 201010194589 A CN201010194589 A CN 201010194589A CN 101854709 A CN101854709 A CN 101854709A
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Abstract
The invention discloses a method and a device for switching a dual-card dual-standby terminal wireless communication module. The condition that the wireless communication module receives a signal in the same dual-card dual-standby terminal is acquired so as to determine whether to change the connecting mode of the wireless communication module and a subscriber identification card slot. In the device, a controllable connection switch module changes the connecting mode of the card slot and the wireless communication module under the control of an application processing module. Due to the adoption of the technical scheme, the current wireless service of a subscriber employs the wireless communication module with good signal receiving condition. Therefore, the performance of the wireless service is optimized, and the system power consumption is also reduced.
Description
Technical field
The present invention relates to the wireless communication terminal technical field, relate in particular to the method and apparatus that a kind of dual-card dual-standby terminal wireless communication module switches.
Background technology
Development along with the wireless communication terminal technology, present increasing double card double standby mobile phone at present on the market, it has not only saved expensive roaming and toll fee for usually hurrying back and forth in the user of two places, and is the best solution that work, life phone separate.Laying two cover wireless communication module and antennas in the same mobile phone but double-card dual-standby just means, certainly will cause bigger current drain and the co-channel interference between antenna, the annexation of existing wireless communication module and Subscriber Identity Module deck as shown in Figure 1.Therefore the flying power that strengthens battery has just become double card double standby mobile phone to research and develop the technical barrier that must solve with reducing with the interference between frequency.
For power consumption, taked preferred low-power consumption chip at present, increased measures such as battery capacity and software optimization.For co-channel interference, present solution is to use two kinds of dissimilar antennas, one is installed in the mobile phone board top, one is installed in the below, though this way has weakened co-channel interference greatly, but because the difference of antenna type and layout, there is certain difference in the signal strength signal intensity that can cause two wireless modules to receive, is generally 3～6dBm.Owing to also there is outside electromagnetic interference, this species diversity may further be amplified because of the responsiveness difference of each antenna to disturbing.
As everyone knows, the signal strength signal intensity that antenna receives is strong more, and the electric weight that mobile phone terminal consumes when carrying out wireless service is just few more, and conversation or other wireless service performances are just good more.When the signal strength signal intensity that wireless communication module receives is more weak, will cause mobile telephone power consumption rising, quality of wireless services variation.
Summary of the invention
The technical problem to be solved in the present invention is that the method and apparatus that provides a kind of dual-card dual-standby terminal wireless communication module to switch is optimized the wireless service performance and reduced system power dissipation.
The technical solution used in the present invention is that the method that described dual-card dual-standby terminal wireless communication module switches comprises:
Obtain situation, whether change the connected mode of wireless communication module and Subscriber Identity Module deck according to the signal deciding that receives with wireless communication module received signal in the standard dual-card dual-standby terminal.
The described detailed process of obtaining with the situation of wireless communication module received signal in the standard dual-card dual-standby terminal comprises: regularly receive base station signal by wireless communication module, know signal strength signal intensity and signal quality.
As a kind of optimized technical scheme, the detailed process that whether decision changes the connected mode of wireless communication module and Subscriber Identity Module deck according to the situation of described received signal comprises:
Whether the signal strength signal intensity that judgement uses the wireless communication module of the Subscriber Identity Module deck correspondence of current wireless service to receive is lower than another wireless communication module, if be not less than another wireless communication module, then do not change the connected mode of wireless communication module and Subscriber Identity Module deck; If be lower than another wireless communication module, then calculate the absolute value of the signal strength difference that two wireless communication modules receive, check whether absolute value surpasses preset threshold value, if, then change the connected mode of wireless communication module and Subscriber Identity Module deck, otherwise also do not change the connected mode of wireless communication module and Subscriber Identity Module deck.
As another kind of optimized technical scheme, when the absolute value of the signal strength difference that receives when two wireless communication modules surpassed preset threshold value, this method further comprised:
Whether the signal quality that judgement uses the wireless communication module of the Subscriber Identity Module deck correspondence of current wireless service to receive is lower than another wireless communication module, if, then change the connected mode of wireless communication module and Subscriber Identity Module deck, otherwise do not change the connected mode of wireless communication module and Subscriber Identity Module deck.
As another kind of optimized technical scheme, when the user asks wireless service, in that whether decision changes in the detailed process of the connected mode of wireless communication module and Subscriber Identity Module deck according to the situation of described received signal, before being judged, signal strength signal intensity further comprises:
Judge whether user's requested service type is instantaneous COS,, judge otherwise carry out follow-up signal intensity if then do not change the connected mode of wireless communication module and Subscriber Identity Module deck.
The detailed process of the connected mode of described change wireless communication module and Subscriber Identity Module deck comprises following two kinds of situations:
Ask the user under the situation of wireless service,
Step c1 closes the radio protocol stack of two wireless communication modules, and to coupled deck outage; Step c2 is by the connected mode of control double-point double-throw switch change wireless communication module and deck;
Step c3 opens the radio protocol stack of two wireless communication modules, and to coupled deck power supply.
Entered the user under the situation of wireless service,
Steps d 1, PDP (Packet Data Protocol, the packet data protocol) context of deexcitation (deactive) current wireless service suspends corresponding data simultaneously and uses mutual with network;
Steps d 2 is closed the radio protocol stack of two wireless communication modules, and to coupled deck outage;
Steps d 3 is by the connected mode of control double-point double-throw switch change wireless communication module and deck;
Steps d 4 is opened the radio protocol stack of two wireless communication modules, and to coupled deck power supply;
Steps d 5 activates PDP Context again, recovers corresponding data and uses mutual with network.
The present invention also provides a kind of dual-card dual-standby terminal wireless communication module device for switching, is arranged at in the standard dual-card dual-standby terminal, and this device comprises:
Application processing module, link to each other with wireless communication module, be used for obtaining the situation of its received signal, adjust power management module to the electric power thus supplied of deck and the mode of controlled connection switch module connection deck and wireless communication module according to the signal that receives by wireless communication module;
Power management module is used under the control of application processing module, adjusts the electric power thus supplied to deck;
Controlled connection switch module is used under the control of application processing module, changes the connected mode of deck and wireless communication module.
As a kind of optimized technical scheme, described application processing module further comprises:
Preferred control module is used for by judging whether the signal strength signal intensity decision that two wireless communication modules receive starts the wireless communication module switching submodule;
The wireless communication module switching submodule is used to control controlled connection switch module and finishes change to deck and wireless communication module connected mode.
As another kind of optimized technical scheme, described preferred control module is further, is used for by judging whether the signal quality decision that two wireless communication modules receive starts the wireless communication module switching submodule.
Described controlled connection switch module is the double-point double-throw switch chip.
Adopt technique scheme, the present invention has following advantage at least:
The method and apparatus that dual-card dual-standby terminal wireless communication module of the present invention switches obtains the situation with wireless communication module received signal in the standard dual-card dual-standby terminal, and whether decision changes the connected mode of wireless communication module and Subscriber Identity Module deck in view of the above.In this device, controlled connection switch module changes the connected mode of deck and wireless communication module under the control of application processing module.Adopt technical scheme of the present invention, can make the current wireless service of user use received signal situation wireless communication module preferably, thereby optimize the performance of wireless service, also reduced system power dissipation simultaneously.
Description of drawings
Fig. 1 is the wireless communication module of double card double standby mobile phone in the prior art and the annexation schematic diagram of Subscriber Identity Module deck;
Fig. 2 is the method flow diagram that the described dual-card dual-standby terminal wireless communication module of first embodiment of the invention switches;
Fig. 3 is the method flow diagram that the described dual-card dual-standby terminal wireless communication module of second embodiment of the invention switches;
Fig. 4 is the method flow diagram that the described dual-card dual-standby terminal wireless communication module of third embodiment of the invention switches;
Fig. 5 is the method flow diagram that the described dual-card dual-standby terminal wireless communication module of fourth embodiment of the invention switches;
Fig. 6 is the described dual-card dual-standby terminal wireless communication module device for switching of a fifth embodiment of the invention schematic diagram.
Embodiment
Reach technological means and the effect that predetermined purpose is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, the method and apparatus that the described dual-card dual-standby terminal wireless communication module that the present invention is proposed switches, describe in detail as after.
Because radio communication function can both normally use before and after needing to guarantee to switch, therefore requiring mobile phone terminal two wireless communication modules must be same standard, also promptly must be two GSM, two CDMA, two WCDMA or the like.
First embodiment of the invention, the situation that has entered wireless service with the user is an example, as shown in Figure 2, the method that a kind of dual-card dual-standby terminal wireless communication module switches comprises following concrete steps:
It is signal strength signal intensity that step S101, the base station signal that receives at set intervals according to wireless communication module calculate the power that this wireless communication module receives signal.
Step S102, whether signal strength signal intensity that judge to use the wireless communication module of the Subscriber Identity Module deck correspondence of current wireless service to receive is lower than another wireless communication module, if, jump procedure S103 then,, otherwise do not change the connected mode of deck and wireless communication module;
Step S103, the PDP Context of deexcitation (deactive) current wireless service suspends corresponding data simultaneously and uses mutual with network; The deexcitation here is meant the state of the PDP context activation that stops the current wireless service.
Step S104 closes the radio protocol stack of two wireless communication modules, and to coupled deck outage;
Step S105 is by the connected mode of control double-point double-throw switch change wireless communication module and deck;
Step S106 opens the radio protocol stack of two wireless communication modules, and gives coupled deck power supply;
Step S107 activates PDP Context again, recovers corresponding data and uses mutual with network.
Second embodiment of the invention, also be that the situation that has entered wireless service with the user is an example, the present embodiment technical scheme and first embodiment are roughly the same, difference is, after step 202 has been judged the signal strength signal intensity that wireless communication module receives, if the signal strength signal intensity that the wireless communication module of the Subscriber Identity Module deck correspondence that the user is using receives is weaker than another wireless communication module, also the absolute value and the predetermined threshold value of the signal strength difference that will further two wireless communication modules be received compare.The purpose of predetermined threshold value is in order to prevent two wireless communication modules because small signal difference just starts and switches the radio communication mold block operations, increases the mobile phone terminal operating load on the contrary.
As shown in Figure 3, the method that a kind of dual-card dual-standby terminal wireless communication module switches comprises following concrete steps:
It is signal strength signal intensity that step S201, the base station signal that receives at set intervals according to wireless communication module calculate the power that this wireless communication module receives signal.
Step S202, whether signal strength signal intensity that judge to use the wireless communication module of the Subscriber Identity Module deck correspondence of current wireless service to receive is lower than another wireless communication module, if, jump procedure S203 then,, otherwise do not change the connected mode of deck and wireless communication module;
Step S203 calculates the absolute value of the signal strength difference that two wireless communication modules receive, and checks whether absolute value surpasses preset threshold value, if, jump procedure S204 then, otherwise do not change the connected mode of deck and wireless communication module yet.
Step S204, the PDP Context of deexcitation current wireless service suspends corresponding data simultaneously and uses mutual with network;
Step S205 closes the radio protocol stack of two wireless communication modules, and to coupled deck outage;
Step S206 is by the connected mode of control double-point double-throw switch change wireless communication module and deck;
Step S207 opens the radio protocol stack of two wireless communication modules, and gives coupled deck power supply;
Step S208 activates PDP Context again, recovers corresponding data and uses mutual with network.
Third embodiment of the invention, also the situation that has entered wireless service with the user is an example, the present embodiment technical scheme and second embodiment are roughly the same, difference is, after having judged signal strength signal intensity, also to further judge signal quality, after repeatedly judging, just determine to carry out the method that changes deck and wireless communication module connected mode like this, when user's service performance can better be guaranteed, reduce the frequent operating load that brings to mobile phone terminal that switches.
As shown in Figure 4, the method that a kind of dual-card dual-standby terminal wireless communication module switches comprises following concrete steps:
It is signal strength signal intensity that step S301, the base station signal that receives at set intervals according to wireless communication module calculate the power that this wireless communication module receives signal, and signal quality.
Step S302, whether signal strength signal intensity that judge to use the wireless communication module of the Subscriber Identity Module deck correspondence of current wireless service to receive is lower than another wireless communication module, if, jump procedure S303 then,, otherwise do not change the connected mode of deck and wireless communication module;
Step S303 judges that whether the absolute value of the signal strength difference that two wireless communication modules receive surpasses preset threshold value, if, jump procedure S305 then, otherwise jump procedure S304;
Step S304, whether the signal quality that judgement uses the wireless communication module of the Subscriber Identity Module deck correspondence of current wireless service to receive is lower than another wireless communication module, if, jump procedure S305 then, otherwise do not change the connected mode of deck and wireless communication module.
Step S305, the PDP Context of deexcitation current wireless service suspends corresponding data simultaneously and uses mutual with network;
Step S306 closes the radio protocol stack of two wireless communication modules, and to coupled deck outage;
Step S307 is by the connected mode of control double-point double-throw switch change wireless communication module and deck;
Step S308 opens the radio protocol stack of two wireless communication modules, and gives coupled deck power supply;
Step S309 activates PDP Context again, recovers corresponding data and uses mutual with network.
Fourth embodiment of the invention, asking the situation of wireless service with the user is example, as shown in Figure 5, the method that a kind of dual-card dual-standby terminal wireless communication module switches comprises following concrete steps:
Step S401 judges whether user's requested service type is instantaneous COS, if then do not change the connected mode of deck and wireless communication module, otherwise jump procedure S402.COS such as instantaneous COS can send for short message, multimedia message transmission.
Because switching flow itself need expend certain resource, therefore do not adopt the strategy of preferred wireless communication module for instantaneous wireless services such as short message transmissions.Follow-uply only may need long-time wireless service type to adopt this strategy with conversation and online etc.
It is signal strength signal intensity that step S402, the base station signal that receives at set intervals according to wireless communication module calculate the power that this wireless communication module receives signal.
Step S403, whether the signal strength signal intensity that judgement uses the wireless communication module of the Subscriber Identity Module deck correspondence of current wireless service to receive is lower than another wireless communication module, if, jump procedure S404 then, otherwise do not change the connected mode of deck and wireless communication module;
Step S404 calculates the absolute value of the signal strength difference that two wireless communication modules receive, and checks whether absolute value surpasses preset threshold value, if, jump procedure S405 then, otherwise do not change the connected mode of deck and wireless communication module yet.
Step S405 closes the radio protocol stack of two wireless communication modules, and to coupled deck outage;
Step S406 is by the connected mode of control double-point double-throw switch change wireless communication module and deck;
Step S407 opens the radio protocol stack of two wireless communication modules, and gives coupled deck power supply.
Fifth embodiment of the invention, as shown in Figure 6, a kind of dual-card dual-standby terminal wireless communication module device for switching is arranged at in the standard dual-card dual-standby terminal, and this comprises following part:
Application processor, link to each other by serial bus or usb bus with two wireless communication modules, be used for obtaining the situation of its received signal, adjust power management chip to the electric power thus supplied of deck and the mode of double-point double-throw switch chip connection deck and wireless communication module according to received signal by wireless communication module.Described application processor further comprises:
Preferred control module is used for by judging whether the signal strength signal intensity decision that two wireless communication modules receive starts the wireless communication module switching submodule, and concrete, preferred control module comprises:
The signal strength signal intensity judge module, be used to judge whether the signal strength signal intensity that the wireless communication module of the Subscriber Identity Module deck correspondence of using the current wireless service receives is lower than another wireless communication module, if be not less than another wireless communication module, then do not start the wireless communication module switching submodule; If be lower than another wireless communication module, enabling signal strength difference judge module then;
The signal strength difference judge module, be used to calculate the absolute value of the signal strength difference that two wireless communication modules receive, check whether absolute value surpasses preset threshold value, if, then start the wireless communication module switching submodule, otherwise do not start the wireless communication module switching submodule.
The wireless communication module switching submodule is used to control controlled connection switch module and finishes change to the connected mode of deck and wireless communication module.
Power management chip links to each other with application processor by iic bus, links to each other with deck by supply line simultaneously, is used under the control of application processor, adjusts the electric power thus supplied to deck;
The double-point double-throw switch chip is used for changing the connected mode of deck and wireless communication module under the control of application processor by the high-low level of GPIO (General-Purpose IO, general input and output) port output.The product that the double-point double-throw switch chip can be selected has:
Producer: Maxim, model: MAX4996/MAX4996L;
Producer: Maxim, model: MAX4983E/MAX4984E;
Producer: Intersil, model: ISL83699.
Sixth embodiment of the invention, as shown in Figure 6, present embodiment and the 5th embodiment are roughly the same, and difference is, preferred control module in the application processor not only will be according to signal strength signal intensity but also will be considered under the situation of signal quality, and just whether decision starts the wireless communication module switching submodule.
A kind of dual-card dual-standby terminal wireless communication module device for switching is arranged at in the standard dual-card dual-standby terminal, comprises following part:
Application processor, link to each other by serial bus or usb bus with two wireless communication modules, be used for obtaining the situation of its received signal, adjust power management chip to the electric power thus supplied of deck and the mode of double-point double-throw switch chip connection deck and wireless communication module according to received signal by wireless communication module.Described application processor further comprises:
Preferred control module is used for by judging whether signal strength signal intensity and signal quality decision that two wireless communication modules receive start the wireless communication module switching submodule, and concrete, preferred control module comprises:
The signal strength signal intensity judge module, be used to judge whether the signal strength signal intensity that the wireless communication module of the Subscriber Identity Module deck correspondence of using the current wireless service receives is lower than another wireless communication module, if be not less than another wireless communication module, then do not start the wireless communication module switching submodule; If be lower than another wireless communication module, enabling signal strength difference judge module then;
The signal strength difference judge module, be used to calculate the absolute value of the signal strength difference that two wireless communication modules receive, check whether absolute value surpasses preset threshold value, if, then start the wireless communication module switching submodule, otherwise enabling signal quality judge module;
The signal quality judge module, be used to judge whether the signal quality that the wireless communication module of the Subscriber Identity Module deck correspondence of using the current wireless service receives is lower than another wireless communication module, if, then start the wireless communication module switching submodule, otherwise do not start the wireless communication module switching submodule.
The wireless communication module switching submodule is used to control the double-point double-throw switch chip and finishes change to the connected mode of deck and wireless communication module.
Power management chip links to each other with application processor by iic bus, links to each other with deck by supply line simultaneously, is used under the control of application processor, adjusts the electric power thus supplied to deck;
The double-point double-throw switch chip is used for changing the connected mode of deck and wireless communication module under the control of application processor by the high-low level of GPIO port output.
The method and apparatus that dual-card dual-standby terminal wireless communication module of the present invention switches obtains the situation with wireless communication module received signal in the standard dual-card dual-standby terminal, and whether decision changes the connected mode of wireless communication module and Subscriber Identity Module deck in view of the above.In this device, controlled connection switch module changes the connected mode of deck and wireless communication module under the control of application processing module.Adopt technical scheme of the present invention, can make the current wireless service of user use received signal situation wireless communication module preferably, thereby optimize the performance of wireless service, also reduced system power dissipation simultaneously.
By the explanation of embodiment, should be to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet appended diagram only provide with reference to the usefulness of explanation, be not to be used for the present invention is limited.
Claims (10)
1. the method switched of a dual-card dual-standby terminal wireless communication module, it is characterized in that, comprise: obtain situation, whether change the connected mode of wireless communication module and Subscriber Identity Module deck according to the signal deciding that receives with wireless communication module received signal in the standard dual-card dual-standby terminal.
2. the method for switching according to the described wireless communication module of claim 1, it is characterized in that, the described detailed process of obtaining with the situation of wireless communication module received signal in the standard dual-card dual-standby terminal comprises: regularly receive base station signal by wireless communication module, know signal strength signal intensity and signal quality.
3. the method for switching according to the described wireless communication module of claim 2 is characterized in that, the detailed process that whether changes the connected mode of wireless communication module and Subscriber Identity Module deck according to the situation decision of described received signal comprises:
Whether the signal strength signal intensity that judgement uses the wireless communication module of the Subscriber Identity Module deck correspondence of current wireless service to receive is lower than another wireless communication module, if be not less than another wireless communication module, then do not change the connected mode of wireless communication module and Subscriber Identity Module deck; If be lower than another wireless communication module, then calculate the absolute value of the signal strength difference that two wireless communication modules receive, check whether absolute value surpasses preset threshold value, if, then change the connected mode of wireless communication module and Subscriber Identity Module deck, otherwise do not change the connected mode of wireless communication module and Subscriber Identity Module deck.
4. the method for switching according to the described wireless communication module of claim 3 is characterized in that, when the absolute value of the signal strength difference that receives when two wireless communication modules surpassed preset threshold value, this method further comprised:
Whether the signal quality that judgement uses the wireless communication module of the Subscriber Identity Module deck correspondence of current wireless service to receive is lower than another wireless communication module, if, then change the connected mode of wireless communication module and Subscriber Identity Module deck, otherwise do not change the connected mode of wireless communication module and Subscriber Identity Module deck.
5. the method for switching according to claim 3 or 4 described wireless communication modules, it is characterized in that, when the user asks wireless service, in that whether decision changes in the detailed process of the connected mode of wireless communication module and Subscriber Identity Module deck according to the situation of described received signal, before being judged, signal strength signal intensity further comprises:
Judge whether user's requested service type is instantaneous COS, if, then do not change the connected mode of wireless communication module and Subscriber Identity Module deck, judge otherwise carry out follow-up signal intensity.
6. according to the method for claim 1 or 2 or 3 or 4 described wireless communication modules switchings, it is characterized in that the detailed process of the connected mode of described change wireless communication module and Subscriber Identity Module deck comprises following two kinds of situations:
Ask the user under the situation of wireless service,
Step c1 closes the radio protocol stack of two wireless communication modules, and to coupled deck outage;
Step c2 is by the connected mode of control double-point double-throw switch change wireless communication module and deck;
Step c3 opens the radio protocol stack of two wireless communication modules, and to coupled deck power supply; Entered the user under the situation of wireless service,
Steps d 1, the packet data protocol PDP Context of deexcitation current wireless service suspends corresponding data simultaneously and uses mutual with network;
Steps d 2 is closed the radio protocol stack of two wireless communication modules, and to coupled deck outage;
Steps d 3 is by the connected mode of control double-point double-throw switch change wireless communication module and deck;
Steps d 4 is opened the radio protocol stack of two wireless communication modules, and to coupled deck power supply;
Steps d 5 activates PDP Context again, recovers corresponding data and uses mutual with network.
7. a dual-card dual-standby terminal wireless communication module device for switching is characterized in that, is arranged at in the standard dual-card dual-standby terminal, and this device comprises following part:
Application processing module, link to each other with wireless communication module, be used for obtaining the situation of its received signal, adjust power management module to the electric power thus supplied of deck and the mode of controlled connection switch module connection deck and wireless communication module according to the signal that receives by wireless communication module;
Power management module is used under the control of application processing module, adjusts the electric power thus supplied to deck;
Controlled connection switch module is used under the control of application processing module, changes the connected mode of deck and wireless communication module.
8. according to the described wireless communication module device for switching of claim 7, it is characterized in that described application processing module further comprises:
Preferred control module is used for by judging whether the signal strength signal intensity decision that two wireless communication modules receive starts the wireless communication module switching submodule;
The wireless communication module switching submodule is used to control controlled connection switch module and finishes change to deck and wireless communication module connected mode.
9. described according to Claim 8 wireless communication module device for switching is characterized in that, described preferred control module is further used for by judging whether the signal quality decision that two wireless communication modules receive starts the wireless communication module switching submodule.
10. according to claim 7 or 8 or 9 described wireless communication module device for switching, it is characterized in that described controlled connection switch module is the double-point double-throw switch chip.
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