CN104661268B - Information processing method, information processing unit and mobile terminal - Google Patents
Information processing method, information processing unit and mobile terminal Download PDFInfo
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- CN104661268B CN104661268B CN201510114045.6A CN201510114045A CN104661268B CN 104661268 B CN104661268 B CN 104661268B CN 201510114045 A CN201510114045 A CN 201510114045A CN 104661268 B CN104661268 B CN 104661268B
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Abstract
The present invention discloses a kind of information processing method, including：According to the signal strength of prefixed time interval detection current service cell；In the case where the signal strength of current service cell is less than first threshold, 1F events are sent to network side, the measurement instruction that response to network side is sent carries out pre-switch measurement；Signal strength in current service cell is greater than or equal to second threshold, and mobile terminal is in the case where carrying out pre-switch measurement, judge whether the signal of current service cell meets preset condition, preset condition includes the current average signal strength gradient in current service cell and is less than the first numerical value；In the case where determining to be unsatisfactory for preset condition, 1E events are sent to network side, in the case where determining to meet preset condition, do not perform the operation that 1E events are sent to network side.Based on information processing method disclosed by the invention, the probability of mobile terminal call drop can be reduced.In addition, the invention also discloses information processing unit and mobile terminals.
Description
Technical field
The invention belongs to field of communication technology more particularly to information processing method, information processing unit and mobile terminals.
Background technology
The phenomenon that call drop refers to be abnormal release in user's communication process, cutting off rate are evaluate communication system performance one
Item important indicator.There is the main reason for signal coverage areas, call drop occurs for mobile terminal to be：Due to landform or environment
Interference, causes the jitter in a certain region, and the handover failure of mobile terminal between cells, ultimately results in
Words.
At present mobile terminal carry out cell switching mode be：Signal strength in current service cell is less than first threshold
When, mobile terminal sends 1F events to network side.Network side starts cell handover operations, instruction after 1F events are received
The mobile terminal for sending the 1F events carries out pre-switch measurement.Mobile terminal is in pre-switch measurement process is carried out, if currently
The signal strength of serving cell then sends 1E events higher than second threshold (second threshold is higher than first threshold) to network side.Net
Network side stops handoff procedure after 1E events are received.If mobile terminal to network side after 1F events are sent not to net
Network side sends 1E events, and network side determines available cell according to the measurement result that mobile terminal is sent, mobile terminal is switched
To the cell.
Based on existing mode, mobile terminal is still present with call drop.How to reduce mobile terminal and the probability of call drop occur,
It is those skilled in the art's urgent problem to be solved.
The content of the invention
In view of this, it is an object of the invention to provide the information processing methods and information processing apparatus applied to mobile terminal
It puts, mobile terminal can be reduced and the probability of call drop occur.
To achieve the above object, the present invention provides following technical solution：
A kind of information processing method, applied to mobile terminal, described information processing method includes：
According to the signal strength of prefixed time interval detection current service cell；
In the case where the signal strength of current service cell is less than first threshold, 1F events, response are sent to network side
The measurement instruction that network side is sent carries out pre-switch measurement, and the measurement instruction is sent by network side after 1F events are received；
Signal strength in current service cell is greater than or equal to second threshold, and the mobile terminal is carrying out pre-switch
In the case of measurement, judge whether the signal of current service cell meets preset condition, the preset condition includes current service
The current average signal strength gradient of cell is less than the first numerical value, and first numerical value is 0 or negative；
In the case where determining to be unsatisfactory for the preset condition, 1E events are sent to network side, it is described pre- determining to meet
If in the case of condition, the operation that 1E events are sent to network side is not performed.
Preferably, in above- mentioned information processing method, the preset condition further includes the current signal in current service cell
Tension variance is more than second value, and the second value is positive number.
Preferably, in above- mentioned information processing method, the current average signal strength gradient in current service cell is calculated
Process, including：The average signal strength in first time period is calculated, calculates the average signal strength in second time period, it is described
First time period is identical with the initial time of the second time period, and the detection current service performed in second time period
The number of the signal strength of cell is more than the number of the signal strength of the detection current service cell performed in first time period；
The difference of the average signal strength in the second time period and the average signal strength in the first time period is calculated, it is described
The difference average signal strength gradient current as current service cell.
Preferably, in above- mentioned information processing method, the first time period is current to (i-1)-th detection for the first moment
At the time of the signal strength of serving cell, the second time period detects current service cell for first moment to ith
Signal strength at the time of；Wherein, the signal strength of the last detection current service cell is denoted as ith detection current service
The signal strength of cell.
Preferably, in above- mentioned information processing method, the mistake of the current signal strength standard deviation in current service cell is calculated
Journey, including：According to formula S Ds (i)=(SDs(i-1) 2*(i-1)+S(i) 2)1/2Calculate the current signal strength in current service cell
Standard deviation SDs (i)；Wherein, i=1,2,3 ..., S(i)For the signal strength for the current service cell that ith detects, SDs(i-1)
The signal strength standard deviation of the current service cell calculated for (i-1)-th time.
Invention additionally discloses a kind of information processing units, and applied to mobile terminal, described information processing unit includes：
Detection unit, for according to the signal strength of prefixed time interval detection current service cell；
First processing units, in the case of being less than first threshold in the signal strength of current service cell, to network
Side sends 1F events, and the measurement instruction that response to network side is sent carries out pre-switch measurement, and the measurement instruction is being connect by network side
It is sent after receiving 1F events；
Second processing unit, for being greater than or equal to second threshold, and the shifting in the signal strength of current service cell
Dynamic terminal judges whether the signal of current service cell meets preset condition in the case where carrying out pre-switch measurement, described pre-
If condition includes the current average signal strength gradient in current service cell and is less than the first numerical value, first numerical value for 0 or
Negative；
3rd processing unit, in the case of determining to be unsatisfactory for the preset condition in the second processing unit, to
Network side sends 1E events, in the case where the second processing unit determines to meet the preset condition, does not perform to network
Side sends the operation of 1E events.
Preferably, in above- mentioned information processing unit, signal of the second processing unit in current service cell is strong
Degree is greater than or equal to second threshold, and the mobile terminal judges current service cell in the case where carrying out pre-switch measurement
Whether whether current average signal strength gradient be less than the current signal strength standard deviation of the first numerical value and current service cell
More than second value, the second value is positive number.
Preferably, in above- mentioned information processing unit, the second processing unit includes the first data computation subunit；It is described
First data computation subunit calculates the average signal strength in first time period, and the average signal calculated in second time period is strong
Degree calculates the difference of the average signal strength in the second time period and the average signal strength in the first time period afterwards
Value, the difference average signal strength gradient current as current service cell；Wherein, the first time period and described
The initial time of two periods is identical, and time of the signal strength of the detection current service cell performed in second time period
Number is more than the number of the signal strength of the detection current service cell performed in first time period.
Preferably, in above- mentioned information processing unit, the second processing unit includes the second data computation subunit；It is described
Second data computation subunit is used for according to formula S Ds (i)=(SDs(i-1) 2*(i-1)+S(i) 2)1/2Calculate current service cell
Current signal strength standard deviation SDs (i)；Wherein, i=1,2,3 ..., S(i)For the letter for the current service cell that ith detects
Number intensity, SDs(i-1)The signal strength standard deviation of the current service cell calculated for (i-1)-th time.
Invention additionally discloses a kind of mobile terminal, the mobile terminal includes any one above-mentioned information processing unit.
It can be seen that beneficial effects of the present invention are：Information processing method disclosed by the invention, mobile terminal detection are current
When the signal strength of current service cell is less than first threshold, 1F events are sent to network side for the signal strength of serving cell,
The measurement instruction that response to network side is sent afterwards carries out pre-switch measurement；Signal strength in current service cell is greater than or equal to
Second threshold, and mobile terminal is in the case where carrying out pre-switch measurement, if the signal of current service cell is unsatisfactory for presetting
Condition then sends 1E events to network side, stops cell handover operations to trigger network side, if the signal of current service cell
Meet preset condition, show that the signal of current service cell is in decrease state, therefore do not perform to network side and send 1E events
Operation so that network side persistently carries out cell handover operations, so that network side is controlled after determining to meet the cell of switching condition
Mobile terminal processed switches to the cell, so as to reduce the probability of mobile terminal call drop.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of information processing method disclosed by the invention；
Fig. 2 is the flow chart of another information processing method disclosed by the invention；
Fig. 3 is the change curve schematic diagram when signal strength of cell deteriorates；
Fig. 4 is a kind of structure diagram of information processing unit disclosed by the invention.
Specific embodiment
It is found by the applicant that：There is signal coverage areas, when due to landform or environmental disturbances cause the signal of cell
When intensity deteriorates, the signal strength of cell weakens in wave process rather than linear taper, and change curve is such as
Shown in curve 1 in Fig. 3.
Based on existing cell switching mode, when the signal strength of current service cell is less than first threshold (in such as Fig. 1
A points), mobile terminal to network side send 1F events, network side after 1F events are received, start cell handover operations, to
The mobile terminal sends pre-switch measurement instruction；Mobile terminal is after pre-switch measurement instruction is received, to adjacent cell around
Carry out pre-switch measurement (mainly including common frequency measurement, shift frequency measurement and isosystem measurement)；The signal strength of current service cell
It is fluctuating change, the signal strength in B points current service cell reaches second threshold, and mobile terminal is sent to network side at this time
1E events, network side stop handoff procedure after 1E events are received；Ripple occurs again for the signal strength in current service cell
When dynamic, the signal strength of current service cell is very likely rapidly decreased to the 3rd threshold value (the C points in such as Fig. 1), due to the time compared with
Short, network side can not control mobile terminal to carry out cell switching in time, and mobile terminal is caused call drop occur.
Need exist for explanation, 1F events and 1E events defined in 3GPP agreements.Wherein, 1F events refer to a master
Pilot signal quality is less than preconfigured threshold value, can be considered handover request；1E events refer to a primary pilot signal quality
Higher than preconfigured threshold value, stopping handover request can be considered.Network side responds the 1F events and opens after 1F events are received
Dynamic cell handover operations, so that mobile terminal subsequently is switched to the stronger cell of signal strength；Network side is receiving 1E things
After part, respond the 1E events and stop cell handover operations.
Information processing method and information processing unit disclosed by the invention applied to mobile terminal, in mobile terminal to net
After network side sends 1F events, if the signal strength of current service cell is recovered most to send the judgement threshold of 1E event configurations
Value, judge current signal strength recover whether be only signal strength deteriorating course in accidental recovery, if accidentally it is extensive
It is multiple, then 1E events are not sent to network side, mobile terminal can be switched to new cell by network side, so as to reduce mobile terminal
There is the probability of call drop.
Mobile terminal in the present invention can be mobile phone, the tablet computer with call function or other with work(of conversing
The Wearable of energy.
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is a kind of flow chart of information processing method of disclosure of the invention.The information processing method includes：
Step S11：According to the signal strength of prefixed time interval detection current service cell.
Mobile terminal in the process of running, the signal strength of current service cell is detected according to prefixed time interval.This is pre-
If time interval can be definite value, or the numerical value changed according to preset rules.That is, mobile terminal can timing
Or the signal strength of the detection current service cell of not timing.
Step S12：In the case where the signal strength of current service cell is less than first threshold, 1F things are sent to network side
Part, the measurement instruction that response to network side is sent carry out pre-switch measurement, and measurement instruction is sent out by network side after 1F events are received
It send.
If the signal strength of current service cell is less than first threshold, mobile terminal sends 1F events to network side.
After the 1F events of mobile terminal transmission are received, response 1F events are sent network side to the mobile terminal for sending the 1F events
Measurement instruction.Mobile terminal responds the measurement instruction and carries out pre-switch measurement after measurement instruction is received.Wherein, pre-switch
Measurement includes common frequency measurement, shift frequency measures and systematic survey.Certainly, mobile terminal can also pass measurement result to network side
It is defeated, so that network side carries out subsequent processing, to determine whether there is the cell for meeting switching condition in the cell around mobile terminal.
Step S13：Signal strength in current service cell is greater than or equal to second threshold, and mobile terminal is carrying out in advance
In the case of handover measurement, judge whether the signal of current service cell meets preset condition.
Wherein, which includes the current average signal strength gradient in current service cell and is less than the first numerical value, the
One numerical value is 0 or negative.In the signal strength deteriorating course of cell, the average signal strength of the cell is to continue reduction
, as shown in the curve 2 in Fig. 3.Average signal strength gradient reflects the situation of change of cell signal whithin a period of time, such as
Fruit average signal strength gradient is less than 0, illustrates that the signal strength of cell is weakening.In addition, the second threshold in the present invention is
The decision threshold of 1E events is sent to network side.
If the signal strength of current service cell is more than second threshold, and mobile terminal is carrying out pre-switch measurement,
Show that mobile terminal sends 1F events to network side, pre-switch measurement is carried out in the measurement instruction that response to network side is sent, and
And the signal strength of current service cell has reached second threshold.In this case, judging the signal of current service cell is
It is no to meet preset condition, in the present embodiment, whether specifically judge the current average signal strength gradient in current service cell
Less than the first numerical value, when in current service cell, current average signal strength gradient is less than the first numerical value, determine to meet default
Otherwise condition determines to be unsatisfactory for preset condition.
Step S14：In the case where determining to be unsatisfactory for preset condition, 1E events are sent to network side, it is pre- determining to meet
If in the case of condition, the operation that 1E events are sent to network side is not performed.
If the signal of current service cell meets preset condition, show that the signal strength of current service cell is in and weaken
State, even if at a time the signal strength of current service cell has reached second threshold, it is accidental existing that also there is a strong possibility
As, therefore no longer performing the operation that 1E events are sent to network side so that network side persistently carries out cell handover operations to determine
Meet the cell of switching condition, afterwards mobile terminal is controlled to switch to the cell, reduce the probability of mobile terminal call drop.If work as
The signal of preceding serving cell is unsatisfactory for preset condition, shows that the signal strength of current service cell is recovered normal, Neng Goubao
The stabilized communication of mobile terminal is demonstrate,proved, therefore mobile terminal sends 1E events to network side, so that network side stops cell switching
Operation.
Explanation is needed exist for, scheme disclosed by the invention is not related to the improvement to network side, and network side is cut in cell
The carrying out practically process for changing process can be found in the prior art, here without specifically describing.
Information processing method disclosed by the invention, mobile terminal detect the signal strength of current service cell, are taken currently
When the signal strength for cell of being engaged in is less than first threshold, 1F events are sent to network side, the measurement that response to network side is sent afterwards refers to
Order carries out pre-switch measurement；Signal strength in current service cell is greater than or equal to second threshold, and mobile terminal is carrying out
In the case that pre-switch measures, if the signal of current service cell is unsatisfactory for preset condition, 1E events are sent to network side,
Stop cell handover operations to trigger network side, if the signal of current service cell meets preset condition, show current service
The signal of cell is in decrease state, therefore does not perform the operation that 1E events are sent to network side so that network side persistently carries out
Cell handover operations, so that network side controls mobile terminal to switch to the cell after determining to meet the cell of switching condition, from
And reduce the probability of mobile terminal call drop.
The average signal strength of cell refers to：The average of signal strength of the cell in preset time period.Such as：One
In period, the signal strength of mobile terminal repeated detection cell obtains m signal strength S respectively(1)、S(2)…S(m), then this
The average signal strength of the cell is in one period
In implementation, formula 1 can be utilized to calculate average signal strength of the cell in preset time period.
AS(i)=(AS(i-1)*(i-1)+S(i))/i (formula 1)
Wherein, i=1,2, the number that 3 ..., i is the signal strength that cell is detected within the period, S(i)It is examined for ith
The signal strength of the cell measured, AS(i-1)Signal strength to be detected obtained cell using the 1st time to (i-1)-th time is calculated
Average signal strength, AS(i)The average signal that the signal strength of cell to be detected using the 1st time to ith is calculated
Intensity, that is, average signal strength of the cell within the period.
It is, after each detection obtains the signal strength of cell, the last signal for detecting and obtaining all is utilized
Intensity and predetermined average signal strength calculate the average signal strength at current time.
In implementation process, calculate the current average signal strength gradient in current service cell and following manner may be employed：
First, the average signal strength in first time period is calculated, calculates the average signal strength in second time period.Its
In, first time period is identical with the initial time of second time period, and the detection current service performed in second time period
The number of the signal strength of cell is more than the number of the signal strength of the detection current service cell performed in first time period.
Afterwards, the difference of the average signal strength in the average signal strength and first time period in second time period is calculated
Value, the difference average signal strength gradient current as current service cell.
It is illustrated here in conjunction with an example：Calculated for the first moment to the average signal strength between the second moment, afterwards
Calculating for the first moment to the average signal strength between the 3rd moment, the 3rd moment was located at after the second moment, and from
Two moment to the operation for the signal strength that one-time detection current service cell is at least performed between the 3rd moment, calculated two afterwards
The difference of average signal strength in a period.
In implementation, calculating the operation of the current average signal strength gradient in current service cell can complete in mobile terminal
Start to perform after base station login.In order to reduce the operand of mobile terminal, so as to reduce the power consumption of mobile terminal, can also configure
To start to perform the average signal strength gradient for calculating current service cell after network side transmission 1F events in mobile terminal
Operation.
As a kind of preferred embodiment, first time period was configurable to for the first moment to the current clothes of (i-1)-th detection
At the time of the signal strength for cell of being engaged in, second time period was configurable to for the first moment to ith detection current service cell
At the time of signal strength.Wherein, it is small to be denoted as ith detection current service for the signal strength of the last detection current service cell
The signal strength in area.
Referring to Fig. 2, Fig. 2 is the flow chart of another information processing method disclosed by the invention.The information processing method bag
It includes：
Step S21：According to the signal strength of prefixed time interval detection current service cell.
Step S22：In the case where the signal strength of current service cell is less than first threshold, 1F things are sent to network side
Part, the measurement instruction that response to network side is sent carry out pre-switch measurement, and measurement instruction is sent out by network side after 1F events are received
It send.
Step S23：Signal strength in current service cell is greater than or equal to second threshold, and mobile terminal is carrying out in advance
In the case of handover measurement, judge whether that the current average signal strength gradient in current service cell is less than the first numerical value and signal
Tension variance is more than second value.
In the present embodiment, judge whether the signal of current service cell meets preset condition and be configured to：Current service is small
The current average signal strength gradient in area is less than the first numerical value, and the current signal strength standard deviation in current service cell is more than the
Two numerical value.Wherein, the first numerical value is 0 or negative, and second value is integer, and preferably, the second setting is configured to 3-8
In any number.
Explanation is needed exist for, the signal strength standard deviation of cell characterizes the fluctuation situation of cell signal strength, believes
Number tension variance is bigger, represents that current signal fluctuation is more severe, more unstable.
Step S14：In the case where judging result is no, 1E events are sent to network side, in the feelings that judging result is yes
Under condition, the operation that 1E events are sent to network side is not performed.
It is, be unsatisfactory for the current average signal strength gradient in current service cell less than the first numerical value and signal it is light
Standard deviation is spent more than in the case of second value, 1E events is sent to network side, in the current average signal in current service cell
Intensity gradient is less than the first numerical value and the slight standard deviation of signal is more than in the case of second value, does not perform to network side and sends 1E
The operation of event.
If the current average signal strength gradient in current service cell is less than the first numerical value, and current service cell is worked as
Preceding signal strength standard deviation is more than second value, and the signal quality general trend for showing current service cell is to decline, and is moved
Dynamic terminal is away from current base station, and the jitter of current base station.Therefore, in this case, mobile terminal is not
Perform the operation that 1E events are sent to network side.If above-mentioned two condition does not meet simultaneously, show the letter of current service cell
Number intensity is recovered normal, can ensure the stabilized communication of mobile terminal, therefore mobile terminal sends 1E events to network side.
Present invention information processing method shown in Fig. 2 is compared with information processing method shown in Fig. 1, in mobile terminal to network
After side sends 1F events, if the signal strength of current service cell is recovered to second threshold, current service cell is judged
Whether current average signal strength gradient is less than the first numerical value and whether signal strength standard deviation is more than second value, is come with this
Determine whether that network side sends 1E events.In information processing method shown in Fig. 2, by two Rule of judgment come to current
The signal quality of serving cell is assessed, and determines whether that network side sends 1E events with this so that cell handover operations are more
It is accurate to add.
In information processing method shown in Fig. 2 of the present invention, the current average signal strength gradient in current service cell is calculated
The step of, using mode described previously, it is not discussed here.
In implementation, formula 2 can be utilized to calculate the current signal strength standard deviation in current service cell.
SDs (i)=(SDs(i-1) 2*(i-1)+S(i) 2)1/2(formula 2)
Wherein, SDs (i) is the current signal strength standard deviation in current service cell, i=1,2,3 ..., S(i)It is examined for ith
The signal strength of the current service cell measured, SDs(i-1)The signal strength mark of the current service cell calculated for (i-1)-th time
It is accurate poor.
The disclosed above information processing method for being applied to mobile terminal of the present invention, correspondingly, invention additionally discloses applications
In the information processing unit of mobile terminal.
Referring to Fig. 4, Fig. 4 is a kind of structure diagram of information processing unit disclosed by the invention.The information processing unit
Including detection unit 10, first processing units 20,30 and the 3rd processing unit 40 of second processing unit.
Wherein：
Detection unit 10, for according to the signal strength of prefixed time interval detection current service cell.
First processing units 20, in the case of being less than first threshold in the signal strength of current service cell, to net
Network side sends 1F events, and the measurement instruction that response to network side is sent carries out pre-switch measurement, and measurement instruction is being received by network side
It is sent after to 1F events.
Second processing unit 30, for being greater than or equal to second threshold in the signal strength of current service cell, and it is mobile
Terminal judges whether the signal of current service cell meets preset condition, preset condition in the case where carrying out pre-switch measurement
It is less than the first numerical value including the current average signal strength gradient in current service cell, the first numerical value is 0 or negative.
3rd processing unit 40, in the case of determining to be unsatisfactory for preset condition in second processing unit, to network side
1E events are sent, in the case where second processing unit determines to meet preset condition, does not perform to network side and sends 1E events
Operation.
Information processing unit disclosed by the invention detects the signal strength of current service cell, in current service cell
When signal strength is less than first threshold, 1F events are sent to network side, the measurement instruction that response to network side is sent afterwards carries out pre-
Handover measurement；Signal strength in current service cell is greater than or equal to second threshold, and mobile terminal is carrying out pre-switch survey
In the case of amount, if the signal of current service cell is unsatisfactory for preset condition, 1E events are sent to network side, to trigger net
Network side stops cell handover operations, if the signal of current service cell meets preset condition, shows the letter of current service cell
Number in decrease state, therefore the operation that 1E events are sent to network side is not performed so that network side persistently carries out cell switching
Operation so that network side controls mobile terminal to switch to the cell after determining to meet the cell of switching condition, moves so as to reduce
The probability of dynamic terminal call drop.
Preferably, preset condition is configured to：The current average signal strength gradient in current service cell is less than the
One numerical value, and the current signal strength standard deviation in current service cell is more than second value.Wherein, second value is positive number, can
Any number being configured in 3-8.
It is, the signal strength that second processing unit 30 is used in current service cell is greater than or equal to second threshold,
And whether mobile terminal judges the current average signal strength gradient in current service cell in the case where carrying out pre-switch measurement
Whether it is more than second value less than the current signal strength standard deviation of the first numerical value and current service cell.
In implementation, second processing unit 30 includes the first data computation subunit.
First data computation subunit calculates the average signal strength in first time period, calculates flat in second time period
Equal signal strength calculates the difference of the average signal strength in the average signal strength and first time period in second time period afterwards
Value, the difference average signal strength gradient current as current service cell.Wherein, first time period and second time period
Initial time is identical, and the number of the signal strength of the detection current service cell performed in second time period is more than the
The number of the signal strength of the detection current service cell performed in one period.
Preferably, first time period be configurable to the first moment to (i-1)-th time detection current service cell signal it is strong
At the time of spending, second time period be configurable to the first moment to ith detection current service cell signal strength at the time of.
Wherein, the signal strength of the last detection current service cell is denoted as the signal strength of ith detection current service cell.
In implementation, second processing unit 30 includes the second data computation subunit.
Second data computation subunit is used for according to formula S Ds (i)=(SDs(i-1) 2*(i-1)+S(i) 2)1/2It calculates current
The current signal strength standard deviation SDs (i) of serving cell；Wherein, i=1,2,3 ..., S(i)The current service detected for ith
The signal strength of cell, SDs(i-1)The signal strength standard deviation of the current service cell calculated for (i-1)-th time.
Invention additionally discloses a kind of mobile terminal, which is included at the present invention any one information disclosed above
Manage device.The probability that call drop occurs for mobile terminal disclosed by the invention is smaller.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only include that
A little elements, but also including other elements that are not explicitly listed or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except also there are other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related part is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide scope caused.
Claims (8)
1. a kind of information processing method, applied to mobile terminal, which is characterized in that described information processing method includes：
According to the signal strength of prefixed time interval detection current service cell；
In the case where the signal strength of current service cell is less than first threshold, 1F events, response to network are sent to network side
The measurement instruction that side is sent carries out pre-switch measurement, and the measurement instruction is sent by network side after 1F events are received；
Signal strength in current service cell is greater than or equal to second threshold, and the mobile terminal is carrying out pre-switch measurement
In the case of, judge whether the signal of current service cell meets preset condition, the preset condition includes current service cell
Current average signal strength gradient is less than the first numerical value, and first numerical value is 0 or negative；
In the case where determining to be unsatisfactory for the preset condition, 1E events are sent to network side, are determining to meet the default item
In the case of part, the operation that 1E events are sent to network side is not performed；
Wherein, the process of the current average signal strength gradient in current service cell is calculated, including：
The average signal strength in first time period is calculated, the average signal strength in second time period is calculated, when described first
Between section detection current service cell that is with the initial time of the second time period identical, and being performed in second time period
The number of signal strength is more than the number of the signal strength of the detection current service cell performed in first time period；
The difference of the average signal strength in the second time period and the average signal strength in the first time period is calculated,
The difference average signal strength gradient current as current service cell.
2. information processing method according to claim 1, which is characterized in that it is small that the preset condition further includes current service
The current signal strength standard deviation in area is more than second value, and the second value is positive number.
3. information processing method according to claim 1 or 2, which is characterized in that
The first time period for the first moment to (i-1)-th detection current service cell signal strength at the time of, described the
At the time of two periods detected the signal strength of current service cell for first moment to ith；
Wherein, the signal strength of the last detection current service cell be denoted as ith detection current service cell signal it is strong
Degree.
4. information processing method according to claim 2, which is characterized in that it is strong to calculate the current signal in current service cell
The process of standard deviation is spent, including：
According to formula S Ds (i)=(SDs(i-1) 2*(i-1)+S(i) 2)1/2Calculate the current signal strength standard deviation in current service cell
SDs(i)；
Wherein, i=1,2,3 ..., S(i)For the signal strength for the current service cell that ith detects, SDs(i-1)For (i-1)-th time
The signal strength standard deviation of the current service cell calculated.
5. a kind of information processing unit, applied to mobile terminal, which is characterized in that described information processing unit includes：
Detection unit, for according to the signal strength of prefixed time interval detection current service cell；
First processing units in the case of being less than first threshold in the signal strength of current service cell, are sent out to network side
1F events are sent, the measurement instruction that response to network side is sent carries out pre-switch measurement, and the measurement instruction is being received by network side
It is sent after 1F events；
Second processing unit, for being greater than or equal to second threshold in the signal strength of current service cell, and it is described mobile whole
End judges whether the signal of current service cell meets preset condition, the default item in the case where carrying out pre-switch measurement
Part includes the current average signal strength gradient in current service cell and is less than the first numerical value, and first numerical value is 0 or negative；
3rd processing unit, in the case of determining to be unsatisfactory for the preset condition in the second processing unit, to network
Side sends 1E events, in the case where the second processing unit determines to meet the preset condition, does not perform and is sent out to network side
Send the operation of 1E events；
Wherein, the second processing unit includes the first data computation subunit；
The first data computation subunit calculates the average signal strength in first time period, calculates flat in second time period
Equal signal strength calculates the average signal in the average signal strength and the first time period in the second time period afterwards
The difference of intensity, the difference average signal strength gradient current as current service cell；
Wherein, the first time period is identical with the initial time of the second time period, and is performed in second time period
The number of signal strength of detection current service cell be more than the detection current service cell performed in first time period
The number of signal strength.
6. information processing unit according to claim 5, which is characterized in that the second processing unit is used to take currently
The signal strength for cell of being engaged in is greater than or equal to second threshold, and the mobile terminal is sentenced in the case where carrying out pre-switch measurement
Whether the current average signal strength gradient in disconnected current service cell is less than the current signal of the first numerical value and current service cell
Whether tension variance is more than second value, and the second value is positive number.
7. information processing unit according to claim 5 or 6, which is characterized in that the second processing unit includes second
Data computation subunit；
The second data computation subunit is used for according to formula S Ds (i)=(SDs(i-1) 2*(i-1)+S(i) 2)1/2Calculate current clothes
The current signal strength standard deviation SDs (i) of cell of being engaged in；
Wherein, i=1,2,3 ..., S(i)For the signal strength for the current service cell that ith detects, SDs(i-1)For (i-1)-th time
The signal strength standard deviation of the current service cell calculated.
8. a kind of mobile terminal, which is characterized in that the mobile terminal includes the letter as any one of claim 5 to 7
Cease processing unit.
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| CN105873138B (en) * | 2016-03-28 | 2019-10-25 | 努比亚技术有限公司 | A kind of residence reselecting and device |
| CN108462980B (en) * | 2017-02-20 | 2020-09-25 | 大唐移动通信设备有限公司 | Switching method and device of voice call network |
| CN113365314A (en) * | 2020-03-03 | 2021-09-07 | 上海新岸线电子技术有限公司 | Cell switching method and device |
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