CN108574547A - A kind of time calibrating method and device - Google Patents
A kind of time calibrating method and device Download PDFInfo
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- CN108574547A CN108574547A CN201710147218.3A CN201710147218A CN108574547A CN 108574547 A CN108574547 A CN 108574547A CN 201710147218 A CN201710147218 A CN 201710147218A CN 108574547 A CN108574547 A CN 108574547A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
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Abstract
The invention discloses a kind of time calibrating method and device, the method includes：Get terminal communicated with network side caused by the time value of N terminal side data and the time value of M network side data；N and M is integer；The time value of time value and the M network side data based on the N terminal side data is calculated the terminal device and carries out communicating corresponding time error coefficient with network side；Based on the time error coefficient, the time value of the terminal device and N terminal side data caused by the network-side communication is calibrated, or, being calibrated to the terminal device and the time value of M network side data caused by the network-side communication.
Description
Technical field
The present invention relates to the synchronizing information technologies more particularly to a kind of time calibrating method and device in the communications field.
Background technology
During communications network signaling, operation flow multi-interface data association analysis, due to terminal, eat dishes without rice or wine, network side
Data are acquired by distinct device respectively, lead to multi-interface data time irreversibility, signaling/operation flow logic incorrect order, nothing
Method is associated analysis.Existing Time synchronization technique generally includes the GPS synchronizations based on satellite data and is based on procotol
NTP synchronize, and by the way that the timestamp of multi-source data is synchronized according to service logic context.
Invention content
The invention discloses a kind of time calibrating method and devices, it is intended to solve the problems, such as more existing in the prior art.
For example, the time synchronizations means such as GPS/NTP exist, because of Various types of data collecting device, itself clock accuracy is insufficient, causes
Synchronization failure problem, such as：
Because there are the different a variety of data sources of the hardware such as mobile phone, the relative time of data time stamp is caused to be undergone with practical
Time and differ.If front and back two signaling data real times are 1000 seconds, if cell phone clock crystal oscillator and standard time clock
Deviation be ten a ten thousandths, then the difference of timestamp be 1000*0.00001=0.01 seconds=10 milliseconds.The mistake of this magnitude
Difference is for signal interval is only the signaling of millisecond magnitude, it is sufficient to cause what operation flow logic can not then be restored to ask
Topic.
A kind of time calibrating method provided by the invention, the method includes：
Get terminal communicated with network side caused by N terminal side data time value and M network side
The time value of data；N and M is integer；Wherein, the terminal side data is the data that the terminal is received or sent, described
Network side data is the data that the network side is received or sent；
The time value of time value and the M network side data based on the N terminal side data, is calculated
The terminal device carries out communicating corresponding time error coefficient with network side；
Based on the time error coefficient, to N end side caused by the terminal device and the network-side communication
The time value of data is calibrated, or, to M network side data caused by the terminal device and the network-side communication
Time value is calibrated.
The embodiment of the present invention also provides a kind of time calibration device, including：
Information acquisition unit, communicated for getting terminal with network side caused by N terminal side data when
Between be worth and M network side data time value；N and M is integer；Wherein, the terminal side data receives for the terminal
Or the data sent, the network side data are the data that the network side is received or sent；
Coefficient calculation unit is used for the time value based on the N terminal side data and the M network side data
Time value, the terminal device is calculated and carries out communicating corresponding time error coefficient with network side；
Alignment unit produces the terminal device and the network-side communication for being based on the time error coefficient
The time value of N raw terminal side data is calibrated, or, to M caused by the terminal device and the network-side communication
The time value of network side data is calibrated.
A kind of time calibrating method and device proposed by the present invention, data caused by the communication based on terminal and network,
The time difference for getting uplink and downlink data, being then based on the time difference is calculated time error coefficient, recycles time error system
Several data to terminal or network side are calibrated.In this way, by for the data of certain side analyze and calibrate one by one,
The problems such as capable of avoiding the data incorrect order caused by prolonged error accumulation.
Description of the drawings
Fig. 1 is time calibrating method flow diagram of the embodiment of the present invention；
Fig. 2 is communication scenes schematic diagram of the embodiment of the present invention；
Fig. 3 is time calibration calculation process schematic diagram of the embodiment of the present invention；
Fig. 4 is information collection schematic diagram of the embodiment of the present invention；
Fig. 5 is time calibration device composed structure schematic diagram of the embodiment of the present invention.
Specific implementation mode
Invention is further described in detail in the following with reference to the drawings and specific embodiments.
Embodiment one,
An embodiment of the present invention provides a kind of time calibrating methods, as shown in Figure 1, including：
Step 101：Get the time value and M of the N terminal side data that communication of the terminal device with network side generates
The time value of network side data；N and M is integer；Wherein, the terminal side data is the number that the terminal is received or sent
According to the network side data is the data that the network side is received or sent；
Step 102：The time value of time value and the M network side data based on the N terminal side data,
The terminal device is calculated to carry out communicating corresponding time error coefficient with network side；
Step 103：Based on the time error coefficient, to N caused by the terminal device and the network-side communication
The time value of terminal side data is calibrated, or, to M network caused by the terminal device and the network-side communication
The time value of side data is calibrated.
About the time value of terminal side data and the time value of network side data, Fig. 2, wherein terminal device may refer to
The data TAi sent out is the corresponding time value of terminal side data, and TBj is the corresponding time value of network side data.Wherein, i and j
It is integer.Usually N and M can be identical, that is to say, that when executing an operation flow, terminal sends and connects
The total quantity of the data of receipts, the total quantity of the data sended and received with network side may be identical, also be not excluded for spy certainly
Different situation, such as when terminal does not receive the data that network side is sent, it is possible to corresponding response message will not be sent out, then
In this case N and M is then different numerical value.Without exhaustion in specific signal intelligence the present embodiment.
It is understood that when getting these communication datas, in addition to can obtain N terminal side data and
Except the time value of M network side data, the transmission of each terminal side data and network side data should be able to be also got
Or direction is received, for example, i-th terminal side data is the downlink data that the upstream data sent still receives.It is specific to obtain
Mode can be to obtain, can also be reported by terminal from the management equipment side of network side, and the present embodiment is without exhaustion.
The time value of the time value based on the N terminal side data and the M network side data calculates
The terminal device is obtained to carry out communicating corresponding time error coefficient with network side, including：
First terminal side data is got from the N terminal side data；First terminal side data characterization
Time earliest a data in the N terminal side data；
First network side data is got from the M terminal side data；First network side data characterization
Time earliest a data in the M network side data；
Based on the corresponding time value of first terminal side data and first network side data institute,
It determines the calculation based on the time error coefficient, the time error coefficient is calculated based on the calculation.
Specifically, described to be distinguished based on first terminal side data and first network side data
Corresponding time value determines the calculation based on the time error coefficient, including：
When the time value of first network side data is more than the time value of first terminal side data, determine
The time error coefficient is calculated using the first calculation, otherwise, it determines calculating the time mistake using the second calculation
Poor coefficient；The time value of first network side data be more than first terminal side data time value generation scene can be by
It, can be from terminal to network for example, when terminal originated calls business caused by some operation flow of end side triggering
Hair request, then in this business, the time value of the first data of terminal will be less than the first data of network side
Time value；It is on the contrary, it is possible to be the business scenario of network side triggering, be not discussed here.
The time error coefficient is calculated based on the calculation includes correspondingly, described：
When determining using the first calculation, it is based on the N terminal side data and the M network side data,
The maximum downstream time difference is calculated and minimum upstream time is poor, is at least based in the maximum downstream time difference and minimum
The time error coefficient is calculated in the row time difference；
It is using the second calculation when determining, is based on the N terminal side data and the M network side data,
Maximum upstream time difference is calculated and minimum downgoing time is poor, is at least based under the maximum upstream time difference and minimum
The time error coefficient is calculated in the row time difference.
It is at least based on the maximum downstream time difference and minimum upstream time is poor, the time error system is calculated
It counts, further includes：
The maximum downstream time difference is subtracted into minimum upstream time difference and obtains the first difference, by first of end side upper line number
Subtract end side the last item downlink data receiving time according to transmission time value and be worth to the second difference, by the first difference with it is described
The ratio of second difference, as the time error coefficient.
Further, in this calculating, when can also first determine whether that whether the maximum downstream time difference is no more than minimum uplink
Between it is poor, if so, can without calculating, otherwise, execute it is above-mentioned be at least based on the maximum upstream time difference and it is described most
Small downgoing time is poor, and the calculating of the time error coefficient is calculated.
It is at least based on the maximum upstream time difference and the minimum downgoing time is poor about above-mentioned, is calculated described
The calculation of time error coefficient, specifically, when the first data time value is more than in end side first in network side
When data time value, maximum downstream time difference DownVlaueMax and minimum upstream time difference UpVlaueMin are calculated, due to
DownVlaueMax≤UpVlaueMin, time synchronization could carry out, so the calculation of time error coefficient is：
K=(DownVlaueMax-UpVlaueMin)/(UpMinUETime-DownMaxUETime), so that after adjustment
Time difference ensure DownVlaueMax≤UpVlaueMin；
Wherein, UpMinUETime indicates the upstream data transmission time value of end side first；DownMaxUETime is indicated
End side the last item downlink data receiving time value.
In addition, being at least based on the poor and minimum downgoing time difference of maximum upstream time is calculated the time error
Coefficient further includes：
Minimum downgoing time difference is gone to obtain third difference maximum upstream time subtractive, by first lower line number of end side
The last item upstream data sending time, which is subtracted, according to receiving time value is worth to the 4th difference, third difference and the described 4th is poor
The ratio of value, as the time error coefficient.
When the first data time value is calculated less than the first data time value in end side in network side
UpVlaueMax and DownVlaueMin, as UpVlaueMax≤DownVlaueMin, time synchronization could carry out, so the time
Error coefficient k=(UpVlaueMax-DownVlaueMin)/(DownMinUETime-UpMaxUETime)；
Wherein, DownMinUETime indicates first downlink data receiving time value of end side；UpMaxUETime tables
Show end side the last item upstream data transmission time value.
The time value to N terminal side data caused by the terminal device and the network-side communication carries out school
Standard, including：
The time difference i between i-th terminal side data and first terminal side data is calculated；Wherein, i be more than or equal to
0 and less than or equal to N integer；Based on the time difference i and the time error multiplication, then with i-th end side number
According to time value be added as a result, time value as i-th terminal side data after calibration；
The terminal device and the time value of M network side data caused by the network-side communication are calibrated,
Including：
The time difference j between j-th strip network side data and first network side data is calculated；Wherein, j be more than or equal to
0 and less than or equal to M integer；Based on the time difference j and the time error multiplication, then with the j-th strip network side number
According to time value be added as a result, time value as i-th network side data after calibration.
Based on time error coefficient, a side data all times are calibrated, it is ensured that opposite with other side data clock
It is synchronous.For example, all data time in the sides UE are calibrated：
Time=TAi-TA0；
New TAi=TAi+ (Time_hour*3600+Time_minute*60+Time_second) * k；
Wherein, the time respectively include sometimes, point and the second parameter, when being based respectively on, point and the second parameter and time error
Then coefficient, which calculate, to be calibrated TAi to obtain new TAi.
The UE side datas after clock alignment or network side data are carried out, then carries out time synchronization, such operation flow logic
Just obtain whole reduction.
Referring to Fig. 3, calculation process is provided for processing method provided in this embodiment：Uplink and downlink data are calculated first
Time difference obtains uplink and downlink data time difference list, respectively DownValueList and UpValueList；
Judge the time value of the first data of end side, if be more than the time value of the first data of network side；
If so, from the uplink and downlink data time difference list, extraction obtains uplink maximum time difference and downlink is minimum
Time difference；Then judge whether that uplink maximum time difference is poor more than downlink minimum time, if so, being based on k=
(DownVlaueMax-UpVlaueMin) time error coefficient is calculated in/(UpMinUETime-DownMaxUETime), so
The time value after calibration is calculated based on time error coefficient afterwards；
Otherwise, from uplink and downlink data time difference list, extraction obtains downlink maximum time difference and uplink minimum time is poor,
Judge whether downlink maximum time difference is poor not less than uplink minimum time, if so, being based on k=(UpVlaueMax-
DownVlaueMin time error coefficient is calculated in)/(DownMinUETime-UpMaxUETime), is then based on time mistake
The time value after calibration is calculated in poor coefficient.
It finally introduces and carries out communicating generated data on how to obtain terminal and network side, may refer to Fig. 4, answer
With commercial drive test and Open-Source Tools, the original signaling data in extraction end side, measurement data of eating dishes without rice or wine, user face data export standard
Formatted data, application mainstream signaling monitoring system/instrument, the original signaling of synchronous acquisition core net, user face data simultaneously carried out
Filter extraction, exports standard data；Then by clock compensation multi-source data synchronizer, when signaling/business datum is carried out
Clock relative calibration obtains signaling/business datum after clock compensation；Then pass through signaling/operation flow matching unit with timely
Between synchronizer processing, realize that the signaling and operation flow logic of terminal and network side integrally restore.
As it can be seen that by using said program, it will be able to which data caused by the communication based on terminal and network are got
The time difference of downlink data, being then based on the time difference is calculated time error coefficient, recycles time error coefficient to terminal
Or the data of network side are calibrated.In this way, by for the data of certain side analyze and calibrate one by one, it will be able to keep away
The problems such as exempting from the data incorrect order caused by prolonged error accumulation.
Embodiment two,
An embodiment of the present invention provides a kind of time calibration devices, as shown in figure 5, including：
Information acquisition unit 51, communicated for getting terminal with network side caused by N terminal side data
The time value of time value and M network side data；N and M is integer；Wherein, the terminal side data is that the terminal connects
The data received or sent, the network side data are the data that the network side is received or sent；
Coefficient calculation unit 52 is used for the time value based on the N terminal side data and the M network side number
According to time value, the terminal device is calculated and carries out communicating corresponding time error coefficient with network side；
Alignment unit 53, for being based on the time error coefficient, to the terminal device and the network-side communication institute
The time value of N terminal side data of generation is calibrated, or, to caused by the terminal device and the network-side communication
The time value of M network side data is calibrated.
Device provided in an embodiment of the present invention, can be arranged in network side, and the management that can be specifically arranged in a network is set
In standby, without exhaustion in specific installation position the present embodiment.
About the time value of terminal side data and the time value of network side data, Fig. 2, wherein terminal device may refer to
The data TAi sent out is the corresponding time value of terminal side data, and TBj is the corresponding time value of network side data.Wherein, i and j
It is integer.Usually N and M can be identical, that is to say, that when executing an operation flow, terminal sends and connects
The total quantity of the data of receipts, the total quantity of the data sended and received with network side may be identical, also be not excluded for spy certainly
Different situation, such as when terminal does not receive the data that network side is sent, it is possible to corresponding response message will not be sent out, then
In this case N and M is then different numerical value.Without exhaustion in specific signal intelligence the present embodiment.
It is understood that when getting these communication datas, in addition to can obtain N terminal side data and
Except the time value of M network side data, the transmission of each terminal side data and network side data should be able to be also got
Or direction is received, for example, i-th terminal side data is the downlink data that the upstream data sent still receives.It is specific to obtain
Mode can be to obtain, can also be reported by terminal from the management equipment side of network side, and the present embodiment is without exhaustion.
The coefficient calculation unit, for getting first terminal side data from the N terminal side data；It is described
First terminal side data characterizes the earliest a data of time in the N terminal side data；
First network side data is got from the M terminal side data；First network side data characterization
Time earliest a data in the M network side data；
Based on the corresponding time value of first terminal side data and first network side data institute,
It determines the calculation based on the time error coefficient, the time error coefficient is calculated based on the calculation.
Specifically, the coefficient calculation unit, described in being more than when the time value of first network side data
When the time value of first terminal side data, determines and the time error coefficient is calculated using the first calculation, otherwise, it determines
The time error coefficient is calculated using the second calculation；The time value of first network side data is more than first end side
The generation scene of the time value of data can be due to caused by some operation flow that end side is triggered, for example, terminal
When initiating call business, it can send out and ask from terminal to network, then in this business, the time of the first data of terminal
Value will be less than the time value of the first data of network side；It is on the contrary, it is possible to be the business scenario of network side triggering, here
No longer repeated.
Correspondingly, the coefficient calculation unit, for when determining using the first calculation, being based on the N terminal
Side data and the M network side data, are calculated the maximum downstream time difference and minimum upstream time is poor, at least base
It is poor in the maximum downstream time difference and minimum upstream time, the time error coefficient is calculated；
It is using the second calculation when determining, is based on the N terminal side data and the M network side data,
Maximum upstream time difference is calculated and minimum downgoing time is poor, is at least based under the maximum upstream time difference and minimum
The time error coefficient is calculated in the row time difference.
Coefficient calculation unit obtains the first difference, by terminal for the maximum downstream time difference to be subtracted minimum upstream time
First upstream data transmission time value of side subtracts end side the last item downlink data receiving time and is worth to the second difference,
By the ratio of the first difference and second difference, as the time error coefficient.
Further, in this calculating, when can also first determine whether that whether the maximum downstream time difference is no more than minimum uplink
Between it is poor, if so, can without calculating, otherwise, execute it is above-mentioned be at least based on the maximum upstream time difference and it is described most
Small downgoing time is poor, and the calculating of the time error coefficient is calculated.
It is at least based on the maximum upstream time difference and the minimum downgoing time is poor about above-mentioned, is calculated described
The calculation of time error coefficient, specifically, when the first data time value is more than in end side first in network side
Data time value calculates maximum downstream time difference DownVlaueMax and minimum upstream time difference UpVlaueMin, due to
DownVlaueMax≤UpVlaueMin, time synchronization could carry out, so time error coefficient k=(DownVlaueMax-
UpVlaueMin)/(UpMinUETime-DownMaxUETime), so that the time difference guarantee DownVlaueMax after adjustment
≤UpVlaueMin。
In addition, coefficient calculation unit, for going minimum downgoing time difference to obtain third difference maximum upstream time subtractive,
First article of downlink data receiving time value of end side is subtracted into the last item upstream data sending time and is worth to the 4th difference,
By the ratio of third difference and the 4th difference, as the time error coefficient.
When the first data time value is calculated less than the first data time value in end side in network side
UpVlaueMax and DownVlaueMin, as UpVlaueMax≤DownVlaueMin, time synchronization could carry out, so the time
Error coefficient k=(UpVlaueMax-DownVlaueMin)/(DownMinUETime-UpMaxUETime).
The alignment unit, specifically for being calculated between i-th terminal side data and first terminal side data
Time difference i；Wherein, i is the integer more than or equal to 0 and less than or equal to N；Based on the time difference i and the time error multiplication,
It is being added again with the time value of i-th terminal side data as a result, as i-th terminal side data after calibration when
Between be worth；
And/or
The time difference j between j-th strip network side data and first network side data is calculated；Wherein, j be more than or equal to
0 and less than or equal to M integer；Based on the time difference j and the time error multiplication, then with the j-th strip network side number
According to time value be added as a result, time value as i-th network side data after calibration.
Based on time error coefficient, a side data all times are calibrated, it is ensured that opposite with other side data clock
It is synchronous.For example, all data time in the sides UE are calibrated：
Time=TAi-TA0
New TAi=TAi+ (Time_hour*3600+Time_minute*60+Time_second) * k；
Wherein, the time respectively include sometimes, point and the second parameter, when being based respectively on, point and the second parameter and time error
Then coefficient, which calculate, to be calibrated TAi to obtain new TAi.
The UE side datas after clock alignment or network side data are carried out, then carries out time synchronization, such operation flow logic
Just obtain whole reduction.
Referring to Fig. 3, calculation process is provided for processing method provided in this embodiment：Uplink and downlink data are calculated first
Time difference list obtains uplink and downlink data time difference list, respectively DownValueList and UpValueList；Then judge
Whether the time value of the first data of end side is more than the time value of the first data of network side；
If so, from the uplink and downlink data time difference list, extraction obtains uplink maximum time difference and downlink is minimum
Time difference；Then judge whether that uplink maximum time difference is poor more than downlink minimum time, if so, being based on k=
(DownVlaueMax-UpVlaueMin) time error coefficient is calculated in/(UpMinUETime-DownMaxUETime), so
The time value after calibration is calculated based on time error coefficient afterwards；
Otherwise, from uplink and downlink data time difference list, extraction obtains downlink maximum time difference and uplink minimum time is poor,
Judge whether downlink maximum time difference is poor not less than uplink minimum time, if so, being based on k=(UpVlaueMax-
DownVlaueMin time error coefficient is calculated in)/(DownMinUETime-UpMaxUETime), is then based on time mistake
The time value after calibration is calculated in poor coefficient.
It finally introduces and carries out communicating generated data on how to obtain terminal and network side, may refer to Fig. 4, answer
With commercial drive test and Open-Source Tools, the original signaling data in extraction end side, measurement data of eating dishes without rice or wine, user face data export standard
Formatted data, application mainstream signaling monitoring system/instrument, the original signaling of synchronous acquisition core net, user face data simultaneously carried out
Filter extraction, exports standard data, by clock compensation multi-source data synchronizer by signaling/business datum into row clock phase
Signaling and operation flow logic are realized by the processing of signaling/operation flow matching unit and time synchronism equipment to calibration
Whole reduction.
As it can be seen that by using said program, it will be able to which data caused by the communication based on terminal and network are got
The time difference of downlink data, being then based on the time difference is calculated time error coefficient, recycles time error coefficient to terminal
Or the data of network side are calibrated.In this way, by for the data of certain side analyze and calibrate one by one, it will be able to keep away
The problems such as exempting from the data incorrect order caused by prolonged error accumulation.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or server including a series of elements include not only those elements,
But also include other elements that are not explicitly listed, or further include for this process, method, article or server institute
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that wrapping
Include in process, method, article or the server of the element that there is also other identical elements.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be mobile phone, computer, clothes
Be engaged in device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (12)
1. a kind of time calibrating method, which is characterized in that the method includes：
Get terminal communicated with network side caused by N terminal side data time value and M network side data
Time value；N and M is integer；Wherein, the terminal side data is the data that the terminal is received or sent, the network
Side data is the data that the network side is received or sent；
The time value of time value and the M network side data based on the N terminal side data is calculated described
Terminal device carries out communicating corresponding time error coefficient with network side；
Based on the time error coefficient, to N terminal side data caused by the terminal device and the network-side communication
Time value calibrated, or, to the time of M network side data caused by the terminal device and the network-side communication
Value is calibrated.
2. according to the method described in claim 1, it is characterized in that, the time value based on the N terminal side data, with
And the time value of the M network side data, the terminal device is calculated and carries out communicating the corresponding time with network side
Error coefficient, including：
First terminal side data is got from the N terminal side data；First terminal side data characterizes the N
Time earliest a data in terminal side data；
First network side data is got from the M terminal side data；First network side data characterizes the M
Time earliest a data in network side data；
Based on the corresponding time value of first terminal side data and first network side data institute, determine
Based on the calculation of the time error coefficient, the time error coefficient is calculated based on the calculation.
3. according to the method described in claim 2, it is characterized in that, described be based on first terminal side data, the Yi Jisuo
The corresponding time value of first network side data institute is stated, determines the calculation based on the time error coefficient, including：
When the time value of first network side data is more than the time value of first terminal side data, determines and use
First calculation calculates the time error coefficient, otherwise, it determines calculating the time error system using the second calculation
Number；
The time error coefficient is calculated based on the calculation includes correspondingly, described：
When determining using the first calculation, it is based on the N terminal side data and the M network side data, is calculated
It obtains the maximum downstream time difference and minimum upstream time is poor, when being at least based on the maximum downstream time difference and minimum uplink
Between it is poor, the time error coefficient is calculated；
It is using the second calculation when determining, is based on the N terminal side data and the M network side data, calculates
It obtains maximum upstream time difference and minimum downgoing time is poor, when being at least based on the maximum upstream time difference and minimum downlink
Between difference the time error coefficient is calculated.
4. according to the method described in claim 3, it is characterized in that,
It is at least based on the maximum downstream time difference and minimum upstream time is poor, the time error coefficient is calculated, also
Including：
The maximum downstream time difference is subtracted into minimum upstream time difference and obtains the first difference, first upstream data of end side is sent out
It send time value to subtract end side the last item downlink data receiving time and is worth to the second difference, by the first difference and described second
The ratio of difference, as the time error coefficient；
It is at least based on the maximum upstream time difference and the time error coefficient is calculated in minimum downgoing time difference, also wrap
It includes：
It goes minimum downgoing time difference to obtain third difference maximum upstream time subtractive, first downlink data of end side is connect
Receipts time value subtracts the last item upstream data sending time and is worth to the 4th difference, by third difference and the 4th difference
Ratio, as the time error coefficient.
5. according to the method described in claim 3, it is characterized in that, described be at least based on the maximum upstream time difference and institute
It is poor to state minimum downgoing time, is calculated before the time error coefficient, the method further includes：Judge the maximum uplink
Whether the time difference is poor no more than the minimum downgoing time；
It is described that the time error coefficient is at least calculated based on the maximum upstream time difference and minimum downgoing time difference
Before, the method further includes：Judge whether the maximum upstream time difference is poor no more than minimum downgoing time.
6. according to claim 1-5 any one of them methods, which is characterized in that described to the terminal device and the network
The time value of N terminal side data caused by the communication of side is calibrated, including：I-th article of terminal side data and is calculated
Time difference i between one terminal side data；Wherein, i is the integer more than or equal to 0 and less than or equal to N；Based on the time difference i with
The time error multiplication, then be added with the time value of i-th terminal side data as a result, after as calibration
I-th terminal side data time value；
The terminal device and the time value of M network side data caused by the network-side communication are calibrated, including：
The time difference j between j-th strip network side data and first network side data is calculated；Wherein, j be more than or equal to 0 and
Integer less than or equal to M；Based on the time difference j and the time error multiplication, then with the j-th strip network side data
It is that time value is added as a result, time value as i-th network side data after calibration.
7. a kind of time calibration device, which is characterized in that described device includes：
Information acquisition unit, communicated for getting terminal with network side caused by N terminal side data time value,
And the time value of M network side data；N and M is integer；Wherein, the terminal side data is that the terminal is received or sent out
The data sent, the network side data are the data that the network side is received or sent；
Coefficient calculation unit, for based on the N terminal side data time value and the M network side data when
Between be worth, the terminal device is calculated and carries out communicating corresponding time error coefficient with network side；
Alignment unit, for being based on the time error coefficient, to N caused by the terminal device and the network-side communication
The time value of terminal side data is calibrated, or, to M network caused by the terminal device and the network-side communication
The time value of side data is calibrated.
8. device according to claim 7, which is characterized in that the coefficient calculation unit is used for from the N end side
First terminal side data is got in data；First terminal side data characterizes the time in the N terminal side data
Earliest a data；
First network side data is got from the M terminal side data；First network side data characterizes the M
Time earliest a data in network side data；
Based on the corresponding time value of first terminal side data and first network side data institute, determine
Based on the calculation of the time error coefficient, the time error coefficient is calculated based on the calculation.
9. device according to claim 8, which is characterized in that the coefficient calculation unit, for working as first net
When the time value of network side data is more than the time value of first terminal side data, determines and institute is calculated using the first calculation
Time error coefficient is stated, otherwise, it determines calculating the time error coefficient using the second calculation；
The time error coefficient is calculated based on the calculation includes correspondingly, described：
When determining using the first calculation, it is based on the N terminal side data and the M network side data, is calculated
It obtains the maximum downstream time difference and minimum upstream time is poor, when being at least based on the maximum downstream time difference and minimum uplink
Between it is poor, the time error coefficient is calculated；
It is using the second calculation when determining, is based on the N terminal side data and the M network side data, calculates
It obtains maximum upstream time difference and minimum downgoing time is poor, when being at least based on the maximum upstream time difference and minimum downlink
Between difference the time error coefficient is calculated.
10. device according to claim 9, which is characterized in that
The coefficient calculation unit obtains the first difference, by terminal for the maximum downstream time difference to be subtracted minimum upstream time
First upstream data transmission time value of side subtracts end side the last item downlink data receiving time and is worth to the second difference,
By the ratio of the first difference and second difference, as the time error coefficient；
And
It goes minimum downgoing time difference to obtain third difference maximum upstream time subtractive, first downlink data of end side is connect
Receipts time value subtracts the last item upstream data sending time and is worth to the 4th difference, by third difference and the 4th difference
Ratio, as the time error coefficient.
11. device according to claim 9, which is characterized in that the coefficient calculation unit, for be at least based on it is described most
Big upstream time difference and the minimum downgoing time are poor, are calculated before the time error coefficient, judge the maximum
Whether upstream time difference is poor no more than the minimum downgoing time；And
It is described that the time error coefficient is at least calculated based on the maximum upstream time difference and minimum downgoing time difference
Before, judge whether the maximum upstream time difference is poor no more than minimum downgoing time.
12. according to claim 7-11 any one of them devices, which is characterized in that the alignment unit is specifically used for calculating
Obtain the time difference i between i-th terminal side data and first terminal side data；Wherein, i is more than or equal to 0 and to be less than or equal to N
Integer；Based on the time difference i and the time error multiplication, then the time value phase with i-th terminal side data
It is adding as a result, time value as i-th terminal side data after calibration；
And/or
The time difference j between j-th strip network side data and first network side data is calculated；Wherein, j be more than or equal to 0 and
Integer less than or equal to M；Based on the time difference j and the time error multiplication, then with the j-th strip network side data
It is that time value is added as a result, time value as i-th network side data after calibration.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111132302A (en) * | 2019-12-27 | 2020-05-08 | 京信通信系统（中国）有限公司 | Time synchronization method, device, base station equipment and computer readable storage medium |
| CN112019289A (en) * | 2020-08-28 | 2020-12-01 | 帷幄匠心科技（杭州）有限公司 | Time synchronization method for time-sharing system |
| CN112286039A (en) * | 2020-12-30 | 2021-01-29 | 深圳市越芯电子有限责任公司 | Clock calibration method and device and readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431385A (en) * | 2008-08-26 | 2009-05-13 | 中兴通讯股份有限公司 | Frequency and time synchronization method for passive optical network |
| KR20090128654A (en) * | 2008-06-11 | 2009-12-16 | 삼성전자주식회사 | Appratus and method for acquting uplink transmit timing in wireless mobile communication |
| WO2011068554A1 (en) * | 2009-12-01 | 2011-06-09 | Qualcomm Incorporated | Method and apparatus of utilizing uplink synchronization shift command bits in td-scdma uplink transmission |
| CN102664698A (en) * | 2011-12-27 | 2012-09-12 | 华为技术有限公司 | Method, device and system for providing synchronous deviation time |
| CN105827350A (en) * | 2015-01-04 | 2016-08-03 | 中国移动通信集团公司 | Information synchronization method and network equipment |
-
2017
- 2017-03-13 CN CN201710147218.3A patent/CN108574547B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090128654A (en) * | 2008-06-11 | 2009-12-16 | 삼성전자주식회사 | Appratus and method for acquting uplink transmit timing in wireless mobile communication |
| CN101431385A (en) * | 2008-08-26 | 2009-05-13 | 中兴通讯股份有限公司 | Frequency and time synchronization method for passive optical network |
| WO2011068554A1 (en) * | 2009-12-01 | 2011-06-09 | Qualcomm Incorporated | Method and apparatus of utilizing uplink synchronization shift command bits in td-scdma uplink transmission |
| CN102664698A (en) * | 2011-12-27 | 2012-09-12 | 华为技术有限公司 | Method, device and system for providing synchronous deviation time |
| CN105827350A (en) * | 2015-01-04 | 2016-08-03 | 中国移动通信集团公司 | Information synchronization method and network equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111132302A (en) * | 2019-12-27 | 2020-05-08 | 京信通信系统（中国）有限公司 | Time synchronization method, device, base station equipment and computer readable storage medium |
| CN111132302B (en) * | 2019-12-27 | 2022-05-03 | 京信网络系统股份有限公司 | Time synchronization method, device, base station equipment and computer readable storage medium |
| CN112019289A (en) * | 2020-08-28 | 2020-12-01 | 帷幄匠心科技（杭州）有限公司 | Time synchronization method for time-sharing system |
| CN112286039A (en) * | 2020-12-30 | 2021-01-29 | 深圳市越芯电子有限责任公司 | Clock calibration method and device and readable storage medium |
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