CN103813357B - For mobile terminal adaptive network searching method and adaptively look for net module - Google Patents
For mobile terminal adaptive network searching method and adaptively look for net module Download PDFInfo
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- CN103813357B CN103813357B CN201210450798.0A CN201210450798A CN103813357B CN 103813357 B CN103813357 B CN 103813357B CN 201210450798 A CN201210450798 A CN 201210450798A CN 103813357 B CN103813357 B CN 103813357B
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Abstract
The invention provides a kind of adaptive network searching method for mobile terminal and adaptively look for net module.The adaptive network searching method includes：When main card is carrying out current business, main card cell information is obtained；The main card cell information is counted；The motion state of the mobile terminal is estimated according to the change of the main card cell information；When the main card winding-up, vice card determines to look for net strategy according to the motion state of the mobile terminal.
Description
Technical field
The present invention relates to the pair of GSM multi-card multi-standby single-pass mobile devices, more particularly to GSM multi-card multi-standby single-pass mobile devices
Card adaptively looks for network technology.
Background technology
Multi-card multi-standby single-pass mobile terminal is a kind of single-chip device, and it can only have a card to take hard in the same time
Part resource.In the prior art, as shown in figure 1, for multi-card multi-standby single-pass mobile terminal, when main card has business 101, vice card is broken
The communication 102 with network is opened, in desynchronizing state, i.e. asynchronous regime.When main card service ending 103, vice card, which is proceeded by, looks for
Net 104 is registered to network, it is necessary to be quickly found out serving cell, it is ensured that normal Standby task is carried out（Such as receive BCCH/PCH letters
Order）.
However, there is still unsolved technical problem all the time in current above-mentioned way.For example, having the situation of business in main card
Under, because vice card can not be with network service, it is unclear that current network condition, current network searching method is all according to fixed policy
One frequency collection is carried out it is synchronous one by one, until finding untill suitable cell registered.The method of this fixation is not examined
Consider under different motion state many card industry of terminal scheduling under the changing rule of network environment residing for terminal and different motion state
The priority change of business, can cause both sides problem.
Firstly, for fixed frequency point sets, if frequency is very few, the situation for looking for net to fail is likely to occur；If frequency mistake
It is many, then it may result in the need for synchronous frequency excessive.And look for net preference strategy for fixed, then it can not adapt to different motion shape
Network environment under state, so as to be unable to reach the purpose for accelerating to look for network process.
Secondly, location updating for looking for network process and its initiation of vice card（Location Update, LU）With Route Area more
Newly（Route Area Update, RAU）It is possible to collide with each other with the business of other cards.If looking for net to be constantly in low priority,
Then look for net to be likely to be interrupted by other card business, cause to fall net；If looking for net to be constantly in high priority, the regular traffic of main card
It is possible to look for net and location updating/Routing Area Update to interrupt by frequently vice card, causes customer service experience poor.It is this at present
Fixed network searching method due to the different motion state residing for None- identified terminal so that also cannot be distinguished by which look for network process and
Location updating/Routing Area Update is necessary, and which looks for net to be then unnecessary.
Therefore, need one kind badly, in the case where main card has business and vice card can not be with network service, can adaptively adjust
Vice card looks for net strategy and the network searching method of priority.
The content of the invention
The present invention is solved in multi-card multi-standby single-pass equipment, has business, the feelings that vice card can not be with network service in main card
Under condition, obtaining information, dynamically adjustment vice card looks for the problem of net is tactful.Compared to fixed policy, many card single-passes are preferably solved
Standby problem of the equipment under different motion state.
The invention provides a kind of adaptive network searching method for mobile terminal, this method includes：When main card is being carried out
During current business, main card cell information is obtained；The main card cell information is counted；According to the main card cell information
Change to estimate the motion state of the mobile terminal；And when the main card terminates current business, vice card is moved according to described
The motion state of dynamic terminal nets strategy to determine to look for.
In one embodiment, signal intensity of the main card cell information including serving cell and adjacent cell, service are small
The ID or signal of area and adjacent cell whether simultaneously change, serving cell occur not repeat change number of times, one timing
The interior unduplicated serving cell change number of times occurred.
In one embodiment, the motion state of the mobile terminal include the mobile terminal it is whether static, it is described move
The move distance of dynamic terminal and the movement velocity of the mobile terminal.
In one embodiment, the determination looks for net strategy also to include setting frequency according to the motion state of the mobile terminal
The priority of point range and each frequency.
In one embodiment, the determination looks for net strategy also to include according to the adjustment pair of the motion state of the mobile terminal
The priority of the selection of serving cell and adjacent cell.
In one embodiment, the determination looks for net strategy also to include when the vice card looks for net task and other card business phases
Mutually during conflict, the priority that the vice card looks for net task is adjusted according to the motion state of the mobile terminal, to determine the pair
Card looks for whether net task needs to be interrupted.
Present invention also offers another adaptive network searching method for mobile terminal, this method includes：When main card exists
When carrying out current business, main card cell information is obtained；The main card cell information is counted；Obtain before the current business
Vice card cell information；The vice card cell information is counted；According to the change of the main card cell information to estimate
State the motion state of mobile terminal；Whether it is to have that the vice card cell information is judged according to the motion state of the mobile terminal
Imitate information；And when the main card terminates current business and when the vice card cell information is judged as effective information, institute
State vice card and determine to look for net strategy according to the motion state and the vice card cell information of the mobile terminal.
In one embodiment, the motion state according to the mobile terminal is to judge the vice card cell information
No is that effective information is included when the motion state of the mobile terminal shows that move distance is more than threshold value set in advance, then institute
State vice card cell information and be judged as invalid information；Set in advance when the motion state of the mobile terminal shows that move distance is less than
During fixed threshold value, then the vice card cell information is judged as effective information.
In one embodiment, signal intensity of the main card cell information including serving cell and adjacent cell, service are small
The ID or signal of area and adjacent cell whether simultaneously change, serving cell occur not repeat change number of times, one timing
The interior unduplicated serving cell change number of times occurred；The vice card that the vice card cell information includes before current business has taken
The signal intensity and signal intensity of cell of being engaged in and adjacent cell.
In one embodiment, the motion state of the mobile terminal include the mobile terminal it is whether static, it is described move
The move distance of dynamic terminal and the movement velocity of the mobile terminal.
In one embodiment, the determination looks for net strategy also to include the motion state according to the mobile terminal and institute
State vice card cell information and frequency point ranges and the priority of each frequency are set.
In one embodiment, the determination looks for net strategy also to include the motion state according to the mobile terminal and institute
State priority of the vice card cell information adjustment to the selection of serving cell and adjacent cell.
In one embodiment, the determination looks for net strategy also to include when the vice card looks for net task and other card business phases
Mutually during conflict, the vice card is adjusted according to the motion state of the mobile terminal and the vice card cell information and looks for net task
Priority, to determine that the vice card looks for whether net task needs to be interrupted.
For the adaptive of mobile terminal net module is looked for the invention provides a kind of, it is described adaptively to look for net module to include：
Initialization module, cell information update module, cell information statistical module, state estimation module and look for net strategy determine
Module.Wherein, when main card has current business generation, the initialization module initializes the motion state of the mobile terminal.
When main card cell information changes, the cell information update module obtains the main card cell information.Cell information counts mould
Block is counted to the main card cell information.State estimation module is estimated according to the change of the main card cell information
The motion state of the mobile terminal.It is described to look for the tactful determining module of net according to the movement when the main card winding-up
The motion state of terminal come determine vice card look for net strategy.
In one embodiment, the cell information update module further obtains the vice card cell before the current business
Information；The cell information statistical module is further counted to the vice card cell information；It is described adaptively to look for net module
Also include judge module, for judging whether the vice card cell information is effective letter according to the motion state of the mobile terminal
Breath；It is described to look for net plan when the main card terminates current business and when the vice card cell information is judged as effective information
Slightly determining module determines to look for net strategy according to the motion state and the vice card cell information of the mobile terminal.
In one embodiment, preset when the motion state of the mobile terminal of estimation shows that move distance is more than
Threshold value when, the judge module judges the vice card cell information for invalid information；When the fortune of the mobile terminal of estimation
When dynamic state shows that move distance is less than threshold value set in advance, the judge module judges that the vice card cell information is effective
Information.
In one embodiment, signal intensity of the main card cell information including serving cell and adjacent cell, service are small
The ID or signal of area and adjacent cell whether simultaneously change, serving cell occur not repeat change number of times, one timing
The interior unduplicated serving cell change number of times occurred.
In one embodiment, the vice card cell information includes the existing serving cell of the vice card before current business and neighbour is small
The signal intensity and signal intensity in area.
In one embodiment, the motion state of the mobile terminal include the mobile terminal it is whether static, it is described move
The move distance of dynamic terminal and the movement velocity of the mobile terminal.
The frequency point setting module is used to set the preferential of frequency point ranges and each frequency according to the motion state of mobile terminal
Level.Moreover, when vice card cell information is judged as effective, the frequency point setting module is also using the motion shape of the mobile terminal
State and the vice card cell information aid in setting frequency point ranges and the priority of each frequency.
The cell selection module is used to adjust the selection to serving cell and adjacent cell according to the motion state of mobile terminal
Priority.Moreover, when vice card cell information is judged as effective, the cell selection module is also using the mobile terminal
Motion state and the vice card cell information adjust the priority of the selection to serving cell and adjacent cell.
This looks for net task priority determining module to be used for when vice card looks for net task to be collided with each other with other card business, according to
The motion state of mobile terminal adjusts the priority that the vice card looks for net task, to determine that vice card looks for whether net task needs to be beaten
It is disconnected.Moreover, when vice card cell information is judged as effective, this looks for motion of the net task priority also using the mobile terminal
State and the vice card cell information adjust the priority that the vice card looks for net task, to determine that vice card looks for whether net task needs
It is interrupted.
The adaptive network searching method and module provided according to the present invention, can make terminal adapt to the net under different motion state
Network state, reaches the standby experience of more preferable vice card.First, rational frequency point ranges and preferential time are set according to motion state
Sequence, can reduce unnecessary frequency point scanning, while can also improve the success rate for looking for net.Secondly, adjusted according to motion state small
Area's selection strategy, it is to avoid unnecessary LU/RAU, reduces vice card and looks for service disconnection caused by net, improve service feature.Again, root
The priority for looking for net task is adjusted according to motion state, when multitask conflicts, can make and more reasonably dispatch.
Brief description of the drawings
The above content of the invention and following embodiment of the present invention can be obtained more preferably when being read in conjunction with the figure
Understanding.It should be noted that accompanying drawing is only as the example of claimed invention.In the accompanying drawings, identical reference
Represent same or similar element.
Fig. 1 shows that multi-card multi-standby single-pass equipment vice card of the prior art looks for network process；
Fig. 2 shows the use flow of movable information according to an embodiment of the invention；
Fig. 3 shows service conflict scheduling flow according to an embodiment of the invention；
Fig. 4 shows adaptive network searching method according to an embodiment of the invention；
Fig. 5 shows adaptive network searching method according to an embodiment of the invention；And
Fig. 6 shows according to an embodiment of the invention adaptively to look for net module.
Embodiment
The detailed features and advantage of the narration present invention in detail in a specific embodiment below, its content is enough to make any
Skilled in the art realises that the technology contents of the present invention and implement according to this, and specification according to disclosed by this specification, weigh
Profit is required and accompanying drawing, skilled person readily understands that the present invention related purpose and advantage.
As it was previously stated, the vice card of traditional fixation looks for net mode can not be looked for according to different motion state adaptively to adjust
Net strategy and task priority.In order to solve the problem, the information prediction motion state of terminal that the present invention is obtained according to main card, together
When, it is subject to the auxiliary of vice card cell information, can adaptively adjusts vice card and look for net strategy and priority, so as to reaches be stuck in not more
With more preferable standby experience under motion state.
Fig. 2 shows the use flow of movable information according to an embodiment of the invention.When main card has business generation,
Main card sends business information to the message processing module of mobile terminal.In one embodiment, the message processing module is information
Logging modle.The information logging modle initializes movable information record after business information is received.The movable information includes service
Cell, cell signal strength, adjacent cell, adjacent cell signal intensity etc..Meanwhile, the information logging modle sends main card business and started
Notify to vice card, notify vice card to have business.Now, vice card suspends standby business.Hereafter, when mobile terminal is in motion process
When middle cell information changes, cell information is sent to information logging modle by main card.The information logging modle is recorded and united
Count the information.When main card service ending, main card sends service ending and notified to information logging modle, the information logging modle knot
Beam Information Statistics, and change to estimate the motion state of mobile terminal according to the cell information of main card, main card service ending is led to
Know and motion state of terminal notifies to be sent respectively to vice card.Vice card determines to look for net strategy and task excellent according to motion state
First level, and then begin to look for net.
In addition, the present invention can not only change to estimate the motion state of mobile terminal according to the cell information of main card, also
Vice card serving cell and adjacent cell signal intensity can be measured and counted, to aid in carrying out estimation motion state.For example,
When main card has business, although vice card can not carry out the operation such as cell reselection, existing cell before current business can be carried out
Ionization meter, and constantly record in motion process the change of the intensity.After service ending, first according to main card cell information
Change estimation motion state, when the motion state of the estimation shows that the move distance of the mobile terminal is shorter, vice card intensity
The information value is considered as effective information, the foundation that can be selected as follow-up vice card cell.If move distance is farther out,
In GSM cellular system, the value is probably the measured value of another cell of position farther out, therefore is not effective information, may
The foundation that can not be selected as cell.
It further will divide subhead technical scheme is described in detail below.
The relation that the source of cell information is moved with terminal
In gsm networks, as a part for mobile management, terminal needs to be led in different minizone movements
Cross the replacing that serving cell is carried out from the means such as network control of advocating peace；When terminal is moved in cell, the change of its cell signal
There is also certain rule.The information such as the change of replacing number of times and each cell signal of serving cell can reflect to a certain extent
Go out the motion state of terminal.
In one embodiment, the cell information related to motion state of terminal that the present invention is recorded includes, but not limited to
Serving cell and change time, each cell signal and monitoring time.
In specific business procedure, above cell information can be counted by monitoring following event：Idle state
（idle）The cell reselection of lower progress, circuit-switched service（Circuit Switching Service）During switching
（handover）, packet switching service（Packet Switching Service）In cell reselection（Including heterogeneous networks mould
The gravity treatment of autonomous gravity treatment and network control under formula）And the measurement report received under each state etc..
The selection of the cell information of multi-card multi-standby single-pass terminal
The starting point of the present invention is the mobile status that terminal is judged using main card cell information.Meanwhile, can also root
The mobile status of terminal is further accurately judged that according to the auxiliary of vice card cell information, it may be determined that strategy is netted in looking for for vice card.
GSM network belongs to cellular network, it is contemplated that the coverage of base station, different operators are disposed in areal
GSM cell has certain similitude.Therefore the cell information that main card is obtained, can reflect possibility when vice card looks for net to a certain extent
The network condition faced.
On the other hand, when main card has business, although vice card can not carry out the operation such as cell reselection, but vice card can be right
Existing cell signal before current business carries out ionization meter to obtain vice card cell information, and in the motion process of mobile terminal
In constantly record the change of the intensity.After main card service ending, first according to the change of main card cell information estimation motion shape
State, when the motion state estimated according to main card shows that the move distance of the mobile terminal is shorter, then vice card cell information is recognized
To be effective information, the foundation that can be selected as follow-up vice card cell.If move distance is farther out, in GSM cellular system
In, the value is probably the measured value of another cell of position farther out, therefore is not effective information, and the vice card cell information may
The foundation that can not be selected as cell.
Motion state of terminal is estimated by cell information
After main card cell information is obtained, when main card service ending, the motion state of reply mobile terminal is determined.
The motion state of terminal includes the following aspects：Whether static, move distance, movement velocity.The present invention is moved according to terminal
The rule that state changes with main card cell information, mobile state of terminal is pushed away by the change of main card cell information come counter.In a reality
Apply in example, the present invention can only be done according to erroneous judgement rule probability minimum and in accordance with the principle of GSM network disposition rule to motion state
Go out qualitative estimation.
Table 1 shows the estimation rule according to one embodiment of the invention.
The motion state decision rule of table 1
The description changed to main card cell information in above rule, is the cell information and certain experiences value by statistics
Come what is judged.The present invention by calculate retest occur correspondence motion state when the cell information counted average come
It is determined that.For example, repeating terminal movement relatively long distance test, its cell reselection number of times is recorded, and calculates its average value, as
Terminal moves the threshold value OR gate limit value of relatively long distance.That is, when serving cell, which does not repeat change number of times, reaches a threshold value, then terminal
Motion state to be judged as move distance long.
Vice card cell information be mainly the signal intensity that includes the existing serving cell before current business and adjacent cell and
Signal intensity., can be with when the motion state estimated according to main card cell information shows that the move distance of the mobile terminal is shorter
The cell of vice card is further aided in select using vice card cell information.
Use of the motion state of terminal in adaptive network searching method
The present invention has done following several respects to vice card network searching method according to the motion state of terminal determined and adaptively adjusted：
Frequency point scanning scope and the order of priority of synchronization, cell selection, the priority for looking for net task.
I. for the adaptive adjustment of frequency point scanning scope and the order of priority of synchronization
Looked in vice card in network process, the content of scanning frequency and the priority of frequency according to motion state, can be adjusted, from
And reach Quick network finding and ensure to look for the purpose of net success rate.
For example, when not being moved, vice card can be synchronized preferentially using original serving cell and adjacent cell.Work as generation
During short-distance movement, the frequency assignment chart of adjacent cell can be used in vice card（BA tables）In frequency synchronize.When generation long range
When mobile and when the vice card long period is not synchronous, it can be used full range scanning synchronous, it is ensured that vice card looks for net success rate.
II. for cell selection adaptive adjustment
The service conditions that can be respectively blocked according to motion state and mobile phone, the selection of adjustment serving cell and adjacent cell is preferential
Level, is adjusted flexibly cell selection strategy.
For example, under high-speed motion, when main card has data service constantly carrying out, the available feelings of former serving cell should be improved
Under condition, the selection priority of former serving cell should be improved, as far as possible using former serving cell.So as to reduce time of LU/RAU generations
Number, reduces the possibility for interrupting main card business.
III. for the adaptive adjustment for the priority for looking for net task
When vice card looks for net task to be collided with each other with other card business, the business that can be respectively blocked according to motion state and mobile phone
Situation, is adjusted flexibly the priority for looking for net task.Always determine to look for whether net can be interrupted, if need to protect and look for the complete of net
The strategies such as whole property.
For example, when being under high-speed motion state, and the vice card long period it is not synchronous when, can improve and look for the excellent of net task
First level.Ensure that what other card tasks can not interrupt the card looks for net.When under low speed or inactive state, if vice card just looks for net same
Walked, then former serving cell and be possible to also can use, specifically look for the priority of net to be turned down, can be beaten by other business
It is disconnected.
Fig. 3 shows the service conflict scheduling flow of the multi-card multi-standby single-pass equipment according to the present invention.When card 1 has business
When.Card 1, which is sent, looks for net task notifications to physical equipment, and hereafter, card 1 is in and looked in net state.When card 2 sends the industry of low priority
Business request, for example, periodically location updating, then physical equipment in order to maintain card 1 look for network process by refuse card 2 business ask
Ask.Card 1 is still within looking in net.If the service requests that card 2 sends high priority, for example, called service is asked, then physical equipment
Transmission interrupts notice to card 1, to interrupt the business of card 1, and is switched to the business of card 2.
It is adaptive to look for net flow and adaptively look for net module
Fig. 4 shows the adaptive network searching method according to one embodiment of the invention.In step 401, when the cell of main card
During information change, main card cell information is obtained.In step 403, main card cell information is counted；In step 405, root
The motion state of mobile terminal is estimated according to the change of main card cell information；In step 407, it is secondary when main card winding-up
Card determines to look for net strategy according to the motion state of mobile terminal.
Fig. 5 shows adaptive network searching method according to another embodiment of the present invention.In step 501, it is small when main card
During area's information change, main card cell information is obtained.In step 503, main card cell information is counted；In step 505,
Obtain the vice card cell information before current business；In step 507, vice card cell information is counted；In step 509,
The motion state of mobile terminal is estimated according to the change of main card cell information；In step 511, according to the motion of mobile terminal
State judges whether vice card cell information is effective.When the motion state of estimation shows that move distance is less than threshold value set in advance
When, then the vice card cell information is judged as effective information；Preset when the motion state of estimation shows that move distance is more than
Threshold value when, then the vice card cell information is judged as invalid information.In step 513, when main card terminates current business simultaneously
And the vice card cell information is when being judged as effective information, vice card is believed according to the motion state of mobile terminal and the vice card cell
Breath nets strategy to determine to look for.
In one embodiment, main card cell information include the signal intensity of serving cell and adjacent cell, serving cell and
The number of times, within a certain period of time for not repeating change that whether ID or signal of adjacent cell change simultaneously, serving cell occurs
The unduplicated serving cell change number of times occurred.
In one embodiment, vice card cell information includes the serving cell before vice card current business and the signal of adjacent cell
Change.
In one embodiment, the motion state of mobile terminal includes whether mobile terminal static, mobile terminal motion
The movement velocity of distance and mobile terminal.
In one embodiment, whether it is effective information that vice card cell information is judged according to the motion state of mobile terminal
Including when the motion state of mobile terminal shows that move distance is more than threshold value set in advance, then vice card cell information is judged
For invalid information；When the motion state of mobile terminal shows that move distance is less than threshold value set in advance, then vice card cell is believed
Breath is judged as effective information.
In one embodiment, it is determined that look for net strategy also include according to the motion state of mobile terminal set frequency point ranges with
And the priority of each frequency.When vice card cell information is effective information, it is determined that looking for net strategy also to include according to mobile terminal
Motion state and vice card cell information set frequency point ranges and the priority of each frequency.
In one embodiment, it is determined that looking for net strategy also to include according to the adjustment of the motion state of mobile terminal to serving cell
With the priority of the selection of adjacent cell.When vice card cell information is effective information, it is determined that looking for net strategy also to include according to movement
Priority of motion state and vice card the cell information adjustment of terminal to the selection of serving cell and adjacent cell.
In one embodiment, it is determined that looking for net strategy also to include when vice card looks for net task to be collided with each other with other card business
When, the priority that vice card looks for net task is adjusted according to the motion state of mobile terminal, to determine that vice card looks for whether net task needs
It is interrupted.When vice card cell information is effective information, then adjusted according to the motion state of mobile terminal and vice card cell information
Whole vice card looks for the priority of net task, to determine that vice card looks for whether net task needs to be interrupted.
For the adaptive of mobile terminal net module 600 is looked for present invention also offers a kind of.This adaptively looks for net module bag
Include initialization module 601, cell information update module 603, cell information statistical module 605, state estimation module 607 with
And look for the tactful determining module 609 of net.When main card has business generation, the initialization module 601 initializes the motion of mobile terminal
State.When the cell information change of main card, the cell information update module 603 obtains the cell information of main card.The cell is believed
Breath 605 pairs of the statistical module main card cell information is counted.The state estimation module 607 is according to the main card cell
The motion state of the mobile terminal is estimated in the change of information.When the main card winding-up, this looks for net strategy to determine mould
Block 609 determines that looking for for vice card nets strategy according to the motion state of mobile terminal.
In one embodiment, main card cell information include the signal intensity of serving cell and adjacent cell, serving cell and
The number of times, within a certain period of time for not repeating change that whether ID or signal of adjacent cell change simultaneously, serving cell occurs
The unduplicated serving cell change number of times occurred.Whether the motion state of mobile terminal includes mobile terminal static, mobile whole
The move distance at end and the movement velocity of mobile terminal.
In one embodiment, in addition to the above-mentioned cell information situation of change according to main card determines motion state of terminal,
Cell information update module 603 can also be measured to vice card cell information, and the vice card cell information is included before current business
Serving cell and adjacent cell signal intensity and signal intensity.Cell information statistical module 605 can also be to the letter of vice card cell
Number intensity is counted.
In one embodiment, this adaptively looks for net module 600 also to include judge module, for the fortune according to mobile terminal
Whether dynamic condition adjudgement vice card cell information is effective information.Specifically, when main card terminates current business and vice card is small
When area's information is judged as effective information, look for the tactful determining module 609 of net small according to the motion state and vice card of mobile terminal
Area's information nets strategy to determine to look for.
After service ending, state estimation module 607 is estimated except the change according to the main card cell information
Outside the motion state of the mobile terminal, estimation motion shape can also be aided according to vice card cell signal strength change information
State.
For example, in one embodiment, a kind of specific auxiliary evaluation method is, when main card has business, although vice card
The operation such as cell reselection can not be carried out, but existing cell before its business can in ionization meter, motion process constantly remember
Record the change of the intensity.After service ending, motion state is estimated according to the change of main card cell information first, works as move distance
When shorter, the vice card strength information value is considered as effective information, the foundation that can be selected as follow-up vice card cell.If fortune
Dynamic distant, in GSM cellular system, the value is probably the measured value of another cell of position farther out, therefore is not
Effective information, it is impossible to the foundation selected as cell.
In one embodiment, this look for the tactful determining module 509 of net include frequency point setting module, cell selection module and
Look for net task priority determining module.
The frequency point setting module is used to set the preferential of frequency point ranges and each frequency according to the motion state of mobile terminal
Level.Moreover, when vice card cell information is judged as effective, the frequency point setting module is also using the motion shape of the mobile terminal
State and the vice card cell information aid in setting frequency point ranges and the priority of each frequency.
The cell selection module is used to adjust the selection to serving cell and adjacent cell according to the motion state of mobile terminal
Priority.Moreover, when vice card cell information is judged as effective, the cell selection module is also using the mobile terminal
Motion state and the vice card cell information adjust the priority of the selection to serving cell and adjacent cell.
This looks for net task priority determining module to be used for when vice card looks for net task to be collided with each other with other card business, according to
The motion state of mobile terminal adjusts the priority that the vice card looks for net task, to determine that vice card looks for whether net task needs to be beaten
It is disconnected.Moreover, when vice card cell information is judged as effective, this looks for motion of the net task priority also using the mobile terminal
State and the vice card cell information adjust the priority that the vice card looks for net task, to determine that vice card looks for whether net task needs
It is interrupted.
Various adaptive network searching methods and module are provided according to the present invention, terminal can be made to adapt under different motion state
Network state, reaches the standby experience of more preferable vice card.First, rational frequency point ranges and preferential time are set according to motion state
Sequence, can reduce unnecessary frequency point scanning, while can also improve the success rate for looking for net.Secondly, adjusted according to motion state small
Area's selection strategy, it is to avoid unnecessary LU/RAU, reduces vice card and looks for service disconnection caused by net, improve service feature.Again, root
The priority for looking for net task is adjusted according to motion state, when multitask conflicts, can make and more reasonably dispatch.
It is described above that further detailed description has been carried out to the purpose of the present invention, technical scheme and beneficial effect, answer
Understand, described above to be not intended to limit the invention, within the spirit and principles of the invention, that is done any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (18)
1. a kind of adaptive network searching method for mobile terminal, it is characterised in that comprise the following steps：
When main card is carrying out current business, main card cell information is obtained；
The main card cell information is counted；
Obtain the vice card cell information before the current business；
The vice card cell information is counted；
The motion state of the mobile terminal is estimated according to the change of the main card cell information；
Whether it is effective information that the vice card cell information is judged according to the motion state of the mobile terminal；And
When the main card terminates current business and when the vice card cell information is judged as effective information, the vice card root
Determine to look for net strategy according to the motion state and the vice card cell information of the mobile terminal.
2. adaptive network searching method as claimed in claim 1, it is characterised in that the motion shape according to the mobile terminal
State come judge the vice card cell information whether be effective information include when the mobile terminal motion state show motion away from
During from more than threshold value set in advance, then the vice card cell information is judged as invalid information；When the fortune of the mobile terminal
When dynamic state shows that move distance is less than threshold value set in advance, then the vice card cell information is judged as effective information.
3. adaptive network searching method as claimed in claim 1, it is characterised in that the main card cell information includes serving cell
Whether the ID or signal with the signal intensity, serving cell and adjacent cell of adjacent cell are while change, serving cell occurs
The unduplicated serving cell change number of times for do not repeat the number of times of change, occurring within a certain period of time；The vice card cell information
Including the existing serving cell of vice card and the signal intensity and signal intensity of adjacent cell before current business.
4. adaptive network searching method as claimed in claim 1, it is characterised in that the motion state of the mobile terminal includes institute
State whether mobile terminal static, move distance and the mobile terminal of the mobile terminal movement velocity.
5. adaptive network searching method as claimed in claim 1, it is characterised in that the determination looks for net strategy also to include according to institute
The motion state and the vice card cell information for stating mobile terminal set frequency point ranges and the priority of each frequency.
6. adaptive network searching method as claimed in claim 1, it is characterised in that the determination looks for net strategy also to include according to institute
The motion state and the vice card cell information for stating mobile terminal adjust the priority of the selection to serving cell and adjacent cell.
7. adaptive network searching method as claimed in claim 1, it is characterised in that the determination looks for net strategy also to include when described
When vice card looks for net task and the other card business to collide with each other, according to the motion state of the mobile terminal and the vice card cell
Information adjusts the priority that the vice card looks for net task, to determine that the vice card looks for whether net task needs to be interrupted.
8. a kind of look for net module for the adaptive of mobile terminal, it is characterised in that described adaptively to look for net module to include：
Initialization module, for when main card has current business generation, initializing the motion state of the mobile terminal；
Cell information update module, for when main card cell information changes, obtaining the main card cell information, and for obtaining
Take the vice card cell information before the current business；
Cell information statistical module, is counted to the main card cell information and vice card cell information；
State estimation module, the motion state of the mobile terminal is estimated according to the change of the main card cell information；
The tactful determining module of net is looked for, wherein when the main card winding-up, it is described to look for the tactful determining module of net to be moved according to described
The motion state of terminal is moved to determine that looking for for vice card nets strategy；And
Judge module, for judging whether the vice card cell information is effective letter according to the motion state of the mobile terminal
Breath；
Wherein, it is described when the main card terminates current business and when the vice card cell information is judged as effective information
The tactful determining module of net is looked for determine to look for net strategy according to the motion state and the vice card cell information of the mobile terminal.
9. adaptively look for net module as claimed in claim 8, it is characterised in that when the motion shape of the mobile terminal of estimation
When state shows that move distance is more than threshold value set in advance, the judge module judges the vice card cell information for invalid letter
Breath；When the motion state of the mobile terminal of estimation shows that move distance is less than threshold value set in advance, the judgement mould
Block judges the vice card cell information for effective information.
10. adaptively look for net module as claimed in claim 8, it is characterised in that the main card cell information includes servicing small
Whether the ID or signal of the signal intensity of area and adjacent cell, serving cell and adjacent cell change simultaneously, serving cell occurs
Not repeat change number of times, occur within a certain period of time unduplicated serving cell change number of times.
11. adaptively look for net module as claimed in claim 8, it is characterised in that the vice card cell information includes current industry
The signal intensity and signal intensity of the existing serving cell of vice card and adjacent cell before business.
12. adaptively look for net module as claimed in claim 8, it is characterised in that the motion state of the mobile terminal includes
Whether the mobile terminal is static, move distance and the mobile terminal of the mobile terminal movement velocity.
13. adaptively look for net module as claimed in claim 8, it is characterised in that described to look for the tactful determining module of net to include frequency
Point setup module, for setting frequency point ranges and the priority of each frequency according to the motion state of the mobile terminal.
14. adaptively look for net module as claimed in claim 8, it is characterised in that described to look for the tactful determining module of net including small
Area's selecting module, for adjusting the preferential of the selection to serving cell and adjacent cell according to the motion state of the mobile terminal
Level.
15. adaptively look for net module as claimed in claim 8, it is characterised in that described to look for the tactful determining module of net to include looking for
Net task priority determining module, for when vice card looks for net task to be collided with each other with other card business, according to described mobile whole
The motion state at end adjusts the priority that the vice card looks for net task, to determine that the vice card looks for whether net task needs to be beaten
It is disconnected.
16. adaptively look for net module as claimed in claim 8, it is characterised in that described to look for the tactful determining module of net to include frequency
Point setup module, for the motion state according to the mobile terminal and the vice card cell information set frequency point ranges and
The priority of each frequency.
17. adaptively look for net module as claimed in claim 8, it is characterised in that described to look for the tactful determining module of net including small
Area's selecting module, for the motion state according to the mobile terminal and vice card cell information adjustment to serving cell and
The priority of the selection of adjacent cell.
18. adaptively look for net module as claimed in claim 8, it is characterised in that described to look for the tactful determining module of net to include looking for
Net task priority determining module, for when vice card looks for net task to be collided with each other with other card business, according to described mobile whole
The motion state at end and the vice card cell information adjust the priority that the vice card looks for net task, to determine that the vice card is looked for
Whether net task, which needs, is interrupted.
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| CN105656498B (en) * | 2015-07-24 | 2019-06-11 | 宇龙计算机通信科技(深圳)有限公司 | A kind of electronic equipment |
| CN106792628B (en) * | 2015-11-24 | 2020-05-26 | 展讯通信（上海）有限公司 | Multi-card multi-standby mobile terminal service conflict processing method and device |
| CN113938986B (en) * | 2020-07-14 | 2023-11-17 | 华为技术有限公司 | Method and device for determining wireless access strategy |
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