CN107295558B - Cell measuring method, device and storage medium - Google Patents
Cell measuring method, device and storage medium Download PDFInfo
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- CN107295558B CN107295558B CN201710679508.2A CN201710679508A CN107295558B CN 107295558 B CN107295558 B CN 107295558B CN 201710679508 A CN201710679508 A CN 201710679508A CN 107295558 B CN107295558 B CN 107295558B
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- 238000005259 measurement Methods 0.000 claims abstract description 412
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- 230000002596 correlated effect Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 7
- 238000010295 mobile communication Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/00837—Determination of triggering parameters for hand-off
- H04W36/008375—Determination of triggering parameters for hand-off based on historical data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
- H04B17/327—Received signal code power [RSCP]
Abstract
The embodiment of the invention discloses a kind of cell measuring method and devices, belong to the communications field.The described method includes: carrying out signal measurement to serving cell and adjacent cell, serving cell and the corresponding measurement result of adjacent cell are obtained, includes cell signal strength in measurement result；According to the cell signal strength of serving cell in the i-th measurement period, the i-th signal measurements of serving cell are calculated, carry out n times signal measurement, i >=1, n >=2 in each measurement period；If the difference of the historical signal value of the i-th signal measurements and serving cell of serving cell is less than threshold value, stop carrying out signal measurement to adjacent cell in i+1 measurement period；If the difference of the historical signal value of the i-th signal measurements and serving cell of serving cell is greater than the threshold value, signal measurement then is carried out to adjacent cell in i+1 measurement period, and is updated according to historical signal value of the i-th signal measurements of serving cell to serving cell.
Description
Technical field
The present embodiments relate to the communications field, in particular to a kind of cell measuring method and device.
Background technique
In mobile communication system, in order to guarantee the communication quality of terminal, base station need to carry out terminal cell reselection or
Switching, and base station carries out cell reselection or switching depends on terminal to the signal measurement of adjacent cell and reports.
In the related technology, in order to reduce the power consumption of terminal, when terminal carries out signal measurement to serving cell and adjacent cell, i.e.,
First timer is enabled, when first timer reaches timing, terminal calculates timing initial time and timing finish time services
The signal difference of cell；When the signal difference is greater than threshold value, terminal stops carrying out adjacent cell signal measurement, and enables second
Timer, and then when second timer reaches timing, adjacent cell is measured again.
Summary of the invention
The embodiment of the invention provides a kind of cell measuring method and device, can solve by terminal measurement error or letter
Number influence of fluctuations according only to the signal difference inaccuracy that timing initial time and timing finish time are calculated, and then causes
Adjacent cell measurement mistakenly stop is only or the problem of error starting.The technical solution is as follows:
In a first aspect, a kind of cell measuring method is provided, this method comprises:
Signal measurement is carried out to serving cell and adjacent cell, obtains serving cell and the corresponding measurement knot of adjacent cell
Fruit includes cell signal strength in measurement result；
According to the cell signal strength of serving cell in the i-th measurement period, the i-th signal measurements of serving cell are calculated,
N times signal measurement is carried out in each measurement period, i >=1, n >=2, i, n are integer；
If the difference of the historical signal value of the i-th signal measurements and serving cell of serving cell is less than threshold value, i-th
Stop carrying out signal measurement to adjacent cell in+1 measurement period；
If the difference of the historical signal value of the i-th signal measurements and serving cell of serving cell is greater than threshold value, i-th
Signal measurement is carried out to adjacent cell in+1 measurement period, and serving cell is gone through according to the i-th signal measurements of serving cell
History signal value is updated.
Second aspect, provides a kind of cell measurement device, which includes:
First measurement module obtains serving cell and adjacent cell for carrying out signal measurement to serving cell and adjacent cell
Corresponding measurement result includes cell signal strength in measurement result；
First computing module calculates serving cell for the cell signal strength according to serving cell in the i-th measurement period
The i-th signal measurements, n times signal measurement is carried out in each measurement period, i >=1, n >=2, i, n are integer；
The difference of stopping modular, the historical signal value for the i-th signal measurements and serving cell when serving cell is small
When threshold value, stop carrying out signal measurement to adjacent cell in i+1 measurement period；
The difference of update module, the historical signal value for the i-th signal measurements and serving cell when serving cell is big
When threshold value, signal measurement is carried out to adjacent cell in i+1 measurement period, and according to the i-th signal measurements of serving cell
The historical signal value of serving cell is updated.
The third aspect provides a kind of terminal, which includes: processor, the memory that is connected with processor, Yi Jicun
The program instruction of storage on a memory realizes the cell measurement side as described in above-mentioned first aspect when processor executes program instructions
Method.
Fourth aspect provides a kind of computer readable storage medium, is stored thereon with program instruction, and program instruction is located
Manage the cell measuring method realized as described in above-mentioned first aspect when device executes.
Technical solution bring beneficial effect provided in an embodiment of the present invention includes:
After terminal carries out signal measurement to serving cell and adjacent cell in current measurement cycle, according in the measurement period
The cell signal strength for the serving cell that n times signal measurement obtains calculates signal measurement of the serving cell in the measurement period
Value, and when the difference of signal measurements and the historical signal value of serving cell is smaller, the stopping pair in next measurement period
Adjacent cell carries out signal measurement, to reduce the power consumption of terminal；When the difference of signal measurements and historical signal value is larger,
Continue adjacent cell signal measurement in next measurement period, guarantees the test constantly under mobile state of terminal to adjacent cell；
Meanwhile the signal measurements of serving cell are calculated based on the multiple signal measurement result in measurement period, terminal survey can be reduced
Measuring influences caused by error and signal fluctuation, improves the accuracy for the signal measurements being calculated, and then improve terminal
The accuracy on the opportunity of stopping or unlatching adjacent cell measurement.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of mobile communication system provided by one embodiment of the present invention；
Fig. 2 shows the flow charts of cell measuring method provided by one embodiment of the present invention；
Fig. 3 shows the flow chart of cell measuring method provided by one embodiment of the present invention；
Fig. 4 shows the implementation diagram of terminal moving process in mobile communication system；
Fig. 5 shows the flow chart of the cell measuring method of another embodiment of the present invention offer；
Fig. 6 shows the flow chart of the cell measuring method of another embodiment of the present invention offer；
Fig. 7 shows the structural block diagram of cell measurement device provided by one embodiment of the present invention；
Fig. 8 shows the structural schematic diagram of terminal involved in an illustrative embodiment of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Referenced herein " multiple " refer to two or more."and/or", the association for describing affiliated partner are closed
System indicates may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, individualism
These three situations of B.Character "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or".
In order to facilitate understanding, noun involved in the embodiment of the present invention is explained below.
Serving cell (Serving Cell): including main plot (Primary Cell, PCell) and secondary cell
(Secondary Cell, SCell) refers to and establishes wireless heterogeneous networks (Radio Resource Control, RRC) with terminal
It connects and provides the cell of service for terminal.
Adjacent cell (Neighbor Cell, NCell): also known as neighboring community, refer to terminal be currently accessed serving cell with
Other outer cells.When in RRC Idle state, terminal measures adjacent cell, and metrical information is reported to base station, by base
It stands and cell reselection is carried out according to the metrical information instruction terminal；When in RRC connected state, terminal measures adjacent cell, and
Metrical information is reported into base station, is cut between serving cell and adjacent cell by base station according to metrical information instruction terminal
It changes.
Referring to FIG. 1, it illustrates the structural schematic diagrams of mobile communication system provided by one embodiment of the present invention.The shifting
Dynamic communication system can be LTE system or be the 5th third-generation mobile communication technology (the 5th generation mobile
Communication, 5G), (New Radio, NR) system of also known as newly eating dishes without rice or wine.The mobile communication system includes: access network equipment
120 and terminal 140.
Access network equipment 120 can be base station, and the radio frames which can be used for receive and IP packet message carry out
Mutually conversion, goes back tunable to the attribute management of air interface.For example, base station can be with evolved base station (eNB or the e- in LTE
NodeB, evolutional Node B), alternatively, using the base station of integrated distribution formula framework in 5G system.
Optionally, in mobile communication system shown in FIG. 1, the corresponding respective wireless signal of different access network equipments 120 covers
Lid range (being the border circular areas in the center of circle with access network equipment 120), the wireless signal coverage area are referred to as cell, and different small
There are intersections between area.In other possible embodiments, same access network equipment 120 can correspond to multiple cells, and each
A cell corresponds to different marks, and the embodiment of the present invention is defined not to this.
Access network equipment 120 and terminal 140 are established by radio open to be wirelessly connected.Optionally, which is base
In the radio open of LTE standard；Alternatively, the radio open is the radio open based on 5G standard, for example the radio open is NR；
Alternatively, the radio open is also possible to the radio open of the more next generation mobile communication network technology standard based on 5G.
Terminal 140 can be directed to user and provide the equipment of voice and/or data connectivity.Terminal can be through wireless access
Net (Radio Access Network, RAN) is communicated with one or more core nets, and terminal 140 can be mobile whole
End, such as mobile phone (or be " honeycomb " phone) and the computer with mobile terminal, for example, it may be portable, pocket
Formula, hand-held, built-in computer or vehicle-mounted mobile device.For example, subscriber unit (Subscriber Unit), subscriber
Stand (Subscriber Station), movement station (Mobile Station), mobile station (Mobile), distant station (Remote
Station), access point (Access Point), remote terminal (Remote Terminal), access terminal (Access
Terminal), user apparatus (User Terminal), user agent (User Agent), user equipment (User Device),
Or user terminal (User Equipment).
The cell measuring method that each embodiment of the present invention provides is used for terminal 140 under RRC Idle state or connected state,
The scene of signal measurement is carried out to adjacent cell.
In the related technology, the signal difference that terminal is calculated according only to timing initial time and timing finish time, really
Determine whether terminal has occurred movement during timing, however, being influenced by terminal measurement error or signal fluctuation, terminal is calculated
To signal difference may be inaccurate.For example, terminal does not move during timing, but timing finish time by
It is influenced to signal fluctuation, causes the signal difference being calculated larger, and then movement has occurred in erroneous judgement terminal during timing,
Continue to carry out signal measurement to adjacent cell, increases the power consumption of terminal.
Even if also, in the case where terminal measurement error and minimum signal fluctuation, according to timing initial time and timing
The signal difference that finish time is calculated can not also accurately reflect the moving condition of terminal during timing.For example, such as Fig. 1 institute
Show, to serving cell (the corresponding cell of upper left side access network equipment 120) and adjacent cell, (upper right side and lower section connect terminal 140
The corresponding cell of log equipment 120) when carrying out signal measurement, first timer is enabled, and during first timer timing, eventually
End 140 is moved to place C by place A along path A-B-C (dashed path in Fig. 1).Since place A and place C close on, because
This, (terminal 140 is on ground with timing finish time for the timing initial time (terminal 140 is in place A) that terminal 140 is calculated
When point C) signal difference of serving cell is smaller, so that it is determined that terminal 140 is in non-moving state during timing, and stops pair
Adjacent cell carries out signal measurement.However, terminal 140 is in moving condition, and terminal 140 during timing under actual conditions
When positioned at place B, the signal of adjacent cell is better than the signal of serving cell, and terminal 140 needs to keep adjacent cell measurement, guarantees cell
Switching is normally carried out.As it can be seen that the moving condition of terminal during timing can not be recognized accurately in the relevant technologies, it be easy to cause adjacent small
The mistakenly stop of region measurement, which stops or opens by mistake, to be opened.
To solve the above-mentioned problems, in the embodiment of the present invention, terminal is according to multiple signal measurement result meter in measurement period
The signal measurements of serving cell are calculated, reducing influences caused by terminal measurement error and signal fluctuation, improves calculating knot
The accuracy of fruit, and then improve the accuracy that terminal stops or opens adjacent cell measurement opportunity.Implemented below using schematical
Example is illustrated.
Referring to FIG. 2, it illustrates the flow chart of cell measuring method provided by one embodiment of the present invention, the present embodiment
It is illustrated so that the cell measuring method is for terminal shown in Fig. 1 as an example, this method may include steps of.
Step 201, signal measurement is carried out to serving cell and adjacent cell, obtains serving cell and adjacent cell is corresponding
Measurement result includes cell signal strength in measurement result.
Under RRC Idle state or connected state, terminal is respectively to being currently accessed serving cell and each adjacent cell carries out letter
Number measurement, to obtain corresponding measurement result, wherein in the measurement result include cell signal strength, cell signal quality
The information such as (such as signal-to-noise ratio) and cell ID, the cell signal strength use Reference Signal Received Power (Reference
Signal Receiving Power, RSRP) and/or Reference Signal Received Quality (Reference Signal Receiving
Quality, RSRQ) it indicates.
In a kind of possible embodiment, under Idle state or connected state, terminal be spaced at predetermined time intervals (such as
A signal measurement 460ms) is carried out to serving cell and adjacent cell.
Step 202, according to the cell signal strength of serving cell in the i-th measurement period, the i-th signal of serving cell is calculated
Measured value carries out n times signal measurement in each measurement period, and i >=1, n >=2, i, n are integer.
In the embodiment of the present invention, terminal carries out signal measurement according to pre-set measurement period, and in each measurement week
Interim terminal carries out the signal measurement of pre-determined number.For example, terminal carries out 10 signal measurements in each measurement period.
After the signal measurement for completing pre-determined number in current measurement cycle (i.e. the i-th measurement period), the further root of terminal
According to the cell signal strength for the serving cell for including in each secondary measurement result, the signal of serving cell in current measurement cycle is calculated
Measured value (i.e. the i-th signal measurements).
In a kind of possible embodiment, terminal calculates the corresponding n cell signal of serving cell in the i-th measurement period
The signal strength average value of intensity, and the signal strength average value is determined as to the i-th signal measurements of serving cell.
Schematically, terminal has carried out 10 signal measurements in the i-th measurement period, and it is corresponding to get serving cell
10 cell signal strengths, be respectively as follows: -30dBm, -31dBm, -29dBm, -30dBm, -29dBm, -31.5dBm, -
28.5dBm, -30dBm, -30dBm, -31dBm, terminal are that the signal strength average value -30dBm of 10 cell signal strengths is true
It is set to the i-th signal measurements of serving cell.
In alternatively possible embodiment, in order to further decrease produced by terminal measurement error and signal fluctuation
Influence, terminal first to the corresponding n cell signal strength of serving cell in the i-th measurement period carry out interference value filtering, obtain
To m cell signal strength, then m≤n calculates the signal strength average value of m cell signal strength, and by the signal strength
Average value is determined as the i-th signal measurements of serving cell.
Optionally, terminal is filtered n cell signal strength by digital averaging filtering method, will be measured and be missed by terminal
The interference value that difference or signal fluctuation generate is filtered, to be determined according to the signal strength average value of remaining cell signal strength
I-th signal measurements of serving cell.In other possible embodiments, terminal can also be flat using limit filtration, clipping
Interference value is filtered in filtering or Glitch Filter scheduling algorithm, and the embodiment of the present invention is defined not to this.
Schematically, terminal has carried out 10 signal measurements in the i-th measurement period, and it is corresponding to get serving cell
10 cell signal strengths, be respectively as follows: -30dBm, -31dBm, -29dBm, -39dBm, -29dBm, -31.5dBm, -
28.5dBm,-40dBm,-30dBm,-31dBm.Terminal is by filtering algorithm, by -39dBm and the two interference value mistakes of -40dBm
It filters, and the signal strength average value -30dBm of remaining 8 cell signal strengths is determined as to the i-th signal measurement of serving cell
Value.
Step 203, if the difference of the historical signal value of the i-th signal measurements and serving cell of serving cell is less than threshold
Value then stops carrying out signal measurement to adjacent cell in i+1 measurement period.
When being in non-moving state due to terminal, the amplitude of variation of the signal strength of the serving cell measured is usually smaller,
Therefore, after the i-th signal measurements of serving cell are calculated, terminal calculates the history of the i-th signal measurements and serving cell
The difference of signal value, to determine whether terminal moves in the i-th measurement period according to the difference.
If the difference being calculated is less than threshold value, terminal is determined is in non-moving state in the i-th measurement period, in order to drop
The power consumption of low terminal, terminal only carry out signal survey to serving cell in next measurement period (i.e. i+1 measurement period)
Amount, and stop carrying out signal measurement to adjacent cell.
Schematically, the i-th signal measurements of serving cell are calculated as -30dBm in terminal, and the historical signal stored
When value is -32dBm, due to the difference 2dBm < threshold value 5dBm of the two, in i+1 measurement period, terminal stops pair
Adjacent cell carries out signal measurement.
Optionally, when carrying out signal measurement in the 1st measurement period, terminal will include in serving cell for the first time measurement result
Cell signal strength be set as historical signal value；And when carrying out signal measurement in jth (j >=2) measurement period, terminal will take
Signal measurements before business cell are determined as historical signal value.
Step 204, if the difference of the historical signal value of the i-th signal measurements and serving cell of serving cell is greater than threshold
Value then carries out signal measurement to adjacent cell in i+1 measurement period, and according to the i-th signal measurements of serving cell to clothes
The historical signal value of business cell is updated.
When the difference being calculated is greater than threshold value, terminal is determined is in moving condition in the i-th measurement period, in order to true
The measurement result that can measure in time and report adjacent cell under moving condition is protected, so that access network equipment is carried out according to measurement result
Cell reselection or switching, terminal continue to carry out signal measurement to serving cell and each adjacent cell in next measurement period；
Meanwhile terminal is updated the historical signal value of serving cell according to the i-th signal measurements of serving cell, so as to it is subsequent with
Determine whether terminal moves on the basis of i-th signal measurements.
Schematically, the i-th signal measurements of serving cell are calculated as -30dBm in terminal, and the historical signal stored
When value is -36dBm, due to the difference 6dBm < threshold value 5dBm of the two, in i+1 measurement period, terminal continues pair
Adjacent cell carries out signal measurement, and historical signal value is updated to -30dBm.
It should be noted that terminal is adopted after carrying out signal measurement to serving cell and adjacent cell in i+1 measurement period
The i+1 signal measurements of serving cell are calculated with step 202, and further according to i+1 signal measurements and historical signal
The difference of value determines motion state of the terminal in i+1 measurement period, and then whether determination carries out in next measurement period
Adjacent cell measurement, details are not described herein for the embodiment of the present invention.
In conclusion terminal carries out signal survey to serving cell and adjacent cell in current measurement cycle in the present embodiment
After amount, according to the cell signal strength for the serving cell that n times signal measurement in the measurement period obtains, serving cell is calculated at this
Signal measurements in measurement period, and when the difference of signal measurements and the historical signal value of serving cell is smaller, under
Stop carrying out signal measurement to adjacent cell in one measurement period, to reduce the power consumption of terminal；In signal measurements and history
When the difference of signal value is larger, continue adjacent cell signal measurement in next measurement period, guarantees mobile state of terminal
Under to the test constantly of adjacent cell；Meanwhile the signal of serving cell is calculated based on the multiple signal measurement result in measurement period
Measured value, can reduce influences caused by terminal measurement error and signal fluctuation, improves the signal measurements being calculated
Accuracy, and then improve terminal stop or open adjacent cell measurement opportunity accuracy.
When carrying out cell measurement using cell measuring method shown in Fig. 2, stop in i+1 measurement period to adjacent cell
After carrying out signal measurement, in order to ensure terminal can re-start adjacent cell measurement during subsequent movement, in a kind of possibility
Embodiment in, on the basis of Fig. 2, as shown in figure 3, further including following steps after above-mentioned steps 203.
Step 205, signal measurement is carried out to serving cell in i+1 measurement period.
In i+1 measurement period, although terminal stops carrying out signal measurement to adjacent cell, it is still required to service
Cell carries out signal measurement, that is, terminal in i+1 measurement period, obtains the corresponding n times measurement result of serving cell.
Step 206, according to the cell signal strength of serving cell in i+1 measurement period, the i+1 of serving cell is calculated
Signal measurements.
Similar with above-mentioned steps 202, terminal obtains the corresponding n measurement of serving cell in i+1 measurement period
As a result after, terminal calculates the i+1 signal measurements of serving cell according to the cell signal strength for including in n times measurement result.
Wherein, the process for calculating i+1 signal measurements is similar with the calculating process of the i-th signal measurements, and the present embodiment is herein no longer
It repeats.
After i+1 signal measurements are calculated, terminal further calculates going through for i+1 signal measurements and serving cell
The difference of history signal value, and mobile shape of the terminal in i+1 measurement period is determined according to the size relation of the difference and threshold value
State.
Step 207, if the difference of the historical signal value of the i+1 signal measurements and serving cell of serving cell is greater than threshold
Value, then starting carries out signal measurement to adjacent cell in the i-th+2 measurement period.
When the difference of the i+1 signal measurements of serving cell and the historical signal value of serving cell is greater than threshold value, eventually
End is determined is in moving condition in i+1 measurement period, and then the letter to adjacent cell is restarted in next measurement period
Number measurement, so as to terminal carry out adjacent cell measurement result report.
Step 208, if the difference of the historical signal value of the i+1 signal measurements and serving cell of serving cell is less than threshold
Value then stops carrying out signal measurement to adjacent cell in the i-th+2 measurement period.
When the difference of the i+1 signal measurements of serving cell and the historical signal value of serving cell is less than threshold value, eventually
End is determined is in non-moving state in i+1 measurement period, and then continues to stop to adjacent cell in next measurement period
Signal measurement, to reduce the power consumption of terminal.
In cell measuring method shown in Fig. 2, when carrying out signal measurement to serving cell and adjacent cell at the same time, terminal is only
Determine whether terminal moves according to signal measurements of the serving cell in measurement period.Under a kind of actual conditions, such as
Shown in Fig. 4, serving cell respective base station 41 locating for terminal, adjacent cell respective base station 42 and base station 43, in a measurement period
In, when terminal is moved to B point by A point, the signal measurements of serving cell and the difference of historical signal value are calculated in terminal
Smaller, determination is not moved in the measurement period, and stops measuring adjacent cell in next measurement period.So
And actual conditions be terminal movement has occurred, and at B point adjacent cell signal be better than serving cell signal, terminal need into
It row adjacent cell measurement and reports, so that base station carries out cell switching.
To solve the above-mentioned problems, in a kind of possible embodiment, terminal is small according to serving cell and neighbour simultaneously
Signal measurements of the area in measurement period judge whether terminal moves, to improve the accurate of mobile state of terminal judgement
Property.On the basis of Fig. 2, as shown in figure 5, further including step 209 after above-mentioned steps 201, step 203 is replaced by step
210, step 204 is replaced by step 211.
Step 201, signal measurement is carried out to serving cell and adjacent cell, obtains serving cell and adjacent cell is corresponding
Measurement result includes cell signal strength in measurement result.
Step 202, according to the cell signal strength of serving cell in the i-th measurement period, the i-th signal of serving cell is calculated
Measured value carries out n times signal measurement in each measurement period, and i >=1, n >=2, i, n are integer.
Step 209, according to the cell signal strength of adjacent cell in the i-th measurement period, the i-th signal for calculating adjacent cell is surveyed
Magnitude.
Similar with above-mentioned steps 202, terminal obtains the corresponding n times measurement result of adjacent cell in the i-th measurement period
Afterwards, terminal calculates the i-th signal measurements of adjacent cell according to the cell signal strength for including in n times measurement result.Wherein, it counts
The process for calculating the i-th signal measurements of adjacent cell is similar to the process of the i-th signal measurements of serving cell is calculated, and the present embodiment is herein
It repeats no more.
Schematically, it is -55dBm that the i-th signal measurements of adjacent cell, which are calculated, in terminal.
Step 210, if the difference of the historical signal value of the i-th signal measurements and serving cell of serving cell is less than threshold
Value, and the difference of the historical signal value of the i-th signal measurements and adjacent cell of adjacent cell is less than threshold value, then measures week in i+1
Stop carrying out signal measurement to adjacent cell in phase.
After the i-th signal measurements of serving cell and adjacent cell are calculated, terminal calculate separately the i-th signal measurements with
The difference of respective historical signal value, and when two differences are respectively less than threshold value, determine terminal in the i-th measurement period in non-
Moving condition, and stop carrying out signal measurement to adjacent cell in next measurement period.
Optionally, when carrying out signal measurement in the 1st measurement period, terminal will include in adjacent cell for the first time measurement result
Cell signal strength is set as historical signal value；And when carrying out signal measurement in jth (j >=2) measurement period, terminal will be adjacent small
Signal measurements before area are determined as historical signal value.
Step 211, if the difference of the historical signal value of the i-th signal measurements and serving cell of serving cell is greater than threshold
Value, and/or, the difference of the historical signal value of the i-th signal measurements and adjacent cell of adjacent cell is greater than threshold value, then surveys in i+1
It measures in the period and signal measurement is carried out to adjacent cell, and believed according to history of the i-th signal measurements of serving cell to serving cell
Number value is updated, and is updated according to historical signal value of the i-th signal measurements of adjacent cell to adjacent cell.
Schematically, in communication system shown in Fig. 4, terminal be calculated serving cell the i-th signal measurements be-
41dBm, the i-th signal measurements of adjacent cell are -39dBm, and the historical signal value of serving cell is -40dBm, and adjacent cell is gone through
History signal value is -50dBm.Due to the corresponding difference 1dBm < threshold value 5dBm of serving cell, and the corresponding difference 11dBm of adjacent cell
Movement has occurred in the i-th measurement period in > threshold value 5dBm, therefore, terminal determination, thus to neighbour in i+1 measurement period
Cell carries out signal measurement, and the corresponding historical signal value of serving cell is updated to -41dBm, by the corresponding history of adjacent cell
Signal value is updated to -39dBm.
In the present embodiment, the signal measurements according to serving cell and adjacent cell in measurement period judge terminal simultaneously
Whether terminal moves, and improves the accuracy of mobile state of terminal judgement, stops or opens to further improve terminal
Open the accuracy on the opportunity of adjacent cell measurement.
In order to further decrease the power consumption of terminal, in a kind of possible embodiment, terminal is not carrying out frequent cell
When switching, extend the length of measurement period, so that terminal is in for a long time stops adjacent cell measurement state.On the basis of Fig. 2,
As shown in fig. 6, further including following steps before above-mentioned steps 201.
Step 212, the cell switching frequency in scheduled duration is obtained.
Terminal obtains the cell switching frequency in scheduled duration under RRC Idle state or connected state, wherein cell switching
Frequency is higher, indicates that terminal switching cell is more frequent namely terminal is in moving condition in scheduled duration.
For example, the cell switching frequency that terminal gets terminal in nearest 5 seconds is 1 time/second.
Step 213, the length of measurement period is adjusted according to cell switching frequency, wherein cell switching frequency and measurement week
The length negative correlation of phase, and the number of signal measurement is carried out in measurement period and the length of measurement period is positively correlated pass
System.
In a kind of possible embodiment, terminal is previously stored with pair of the length of cell switching frequency and measurement period
It should be related to, after getting the cell switching frequency of terminal, terminal is that the length of corresponding measurement period is searched from the corresponding relationship
Degree, and the length based on the measurement period is adjusted.Wherein, cell switching frequency is higher, and the length of measurement period is shorter, phase
The number that signal measurement is carried out in the measurement period answered is fewer, and cell switching frequency is lower, and the length of measurement period is longer, accordingly
Measurement period in carry out signal measurement number it is more, that is, cell switching it is more frequent, terminal stop adjacent cell measurement when
Between it is shorter, cell switches more infrequently, and the time that terminal stops adjacent cell measurement is longer, thus under non-moving state, reduction
The power consumption of terminal.
In the present embodiment, terminal is according to cell switching frequency, and dynamic adjusts the length of measurement period, so that terminal is in non-shifting
Under dynamic state, for a long time in adjacent cell measurement state is stopped, the power consumption of terminal is further decreased.
Referring to FIG. 7, this is small it illustrates the structural block diagram of cell measurement device provided by one embodiment of the present invention
Region measurement device being implemented in combination with as some or all of of terminal 140 shown in Fig. 1 by software, hardware or both.
The apparatus may include: the first measurement module 710, the first computing module 720, stopping modular 730 and update module 740.
First measurement module 710, for carrying out signal measurement to serving cell and adjacent cell, obtain the serving cell and
Adjacent cell corresponding measurement result includes cell signal strength in the measurement result；
First computing module 720 is calculated for the cell signal strength of the serving cell according to the i-th measurement period
I-th signal measurements of the serving cell, n times signal measurement, i >=1, n >=2 are carried out in each measurement period, and i, n are whole
Number；
Stopping modular 730, for when the i-th signal measurements of the serving cell and the historical signal of the serving cell
When the difference of value is less than threshold value, stop carrying out signal measurement to the adjacent cell in i+1 measurement period；
Update module 740, for when the i-th signal measurements of the serving cell and the historical signal of the serving cell
When the difference of value is greater than the threshold value, signal measurement is carried out to the adjacent cell in the i+1 measurement period, and according to institute
The i-th signal measurements for stating serving cell are updated the historical signal value of the serving cell.
Optionally, described device, further includes:
Second measurement module, for carrying out signal measurement to the serving cell in the i+1 measurement period；
Second computing module, for the cell signal strength of the serving cell according to the i+1 measurement period, meter
Calculate the i+1 signal measurements of the serving cell；
Starting module, for when the i+1 signal measurements of the serving cell and the historical signal of the serving cell
When the difference of value is greater than the threshold value, starting carries out signal measurement to the adjacent cell in the i-th+2 measurement period.
Optionally, described device, further includes:
Third computing module calculates institute for the cell signal strength of the adjacent cell according to i-th measurement period
State the i-th signal measurements of adjacent cell；
The stopping modular 730 is also used to when the i-th signal measurements of the serving cell and going through for the serving cell
The difference of history signal value is less than the threshold value, and the historical signal of the i-th signal measurements of the adjacent cell and the adjacent cell
When the difference of value is less than the threshold value, stop carrying out signal measurement to the adjacent cell in the i+1 measurement period.
Optionally, first computing module 720, comprising:
First computing unit is strong for calculating the corresponding n cell signal of serving cell described in i-th measurement period
The signal strength average value of degree, and the signal strength average value is determined as to the i-th signal measurements of the serving cell；
Or,
Second computing unit, for the corresponding n cell signal strength of serving cell described in i-th measurement period
Interference value filtering is carried out, m cell signal strength, m≤n are obtained；The signal strength for calculating the m cell signal strength is average
It is worth, and the signal strength average value is determined as to the i-th signal measurements of the serving cell.
Optionally, described device, further includes:
Module is obtained, for obtaining the cell switching frequency in scheduled duration；
Module is adjusted, for adjusting the length of the measurement period according to the cell switching frequency, wherein the cell
The length negative correlation of switching frequency and measurement period, and the number and measurement period of signal measurement are carried out in measurement period
Length correlation.
In conclusion terminal carries out signal survey to serving cell and adjacent cell in current measurement cycle in the present embodiment
After amount, according to the cell signal strength for the serving cell that n times signal measurement in the measurement period obtains, serving cell is calculated at this
Signal measurements in measurement period, and when the difference of signal measurements and the historical signal value of serving cell is smaller, under
Stop carrying out signal measurement to adjacent cell in one measurement period, to reduce the power consumption of terminal；In signal measurements and history
When the difference of signal value is larger, continue adjacent cell signal measurement in next measurement period, guarantees mobile state of terminal
Under to the test constantly of adjacent cell；Meanwhile the signal of serving cell is calculated based on the multiple signal measurement result in measurement period
Measured value, can reduce influences caused by terminal measurement error and signal fluctuation, improves the signal measurements being calculated
Accuracy, and then improve terminal stop or open adjacent cell measurement opportunity accuracy.
In the present embodiment, the signal measurements according to serving cell and adjacent cell in measurement period judge terminal simultaneously
Whether terminal moves, and improves the accuracy of mobile state of terminal judgement, stops or opens to further improve terminal
Open the accuracy on the opportunity of adjacent cell measurement.
In the present embodiment, terminal is according to cell switching frequency, and dynamic adjusts the length of measurement period, so that terminal is in non-shifting
Under dynamic state, for a long time in adjacent cell measurement state is stopped, the power consumption of terminal is further decreased.
Fig. 8 shows the structural schematic diagram of terminal involved in an illustrative embodiment of the invention.The terminal includes: place
Manage device 811, receiver 812, transmitter 813, memory 814 and bus 815.
Processor 811 includes one or more than one processing core, and memory 814 passes through bus 815 and processor 811
It is connected, memory 814 is realized above-mentioned for storing program instruction, processor 811 when executing the program instruction in memory 814
The cell measuring method that each embodiment of the method provides.
Optionally, memory 814 can be by any kind of volatibility or non-volatile memory device or their group
Close and realize, such as static to access memory (SRAM) at any time, electrically erasable programmable read-only memory (EEPROM), it is erasable can
Program read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory
Reservoir, disk or CD.
Receiver 812 and transmitter 813 are connected by bus 815 with processor 811 respectively.Optionally, processor 811 is held
Program instruction in line storage 814 carries out serving cell and adjacent cell measurement to control and receive device 812 and transmitter 813.
Receiver 812 and transmitter 813 can be implemented as a communication component, which can be one piece of communication core
Piece for being modulated and/or demodulating to information, and passes through reception of wireless signals or sends the information.
Above structure signal is only to schematically illustrate to terminal, and terminal may include more or fewer components, such as
Terminal can not include transmitter, alternatively, terminal further includes other components such as sensor, display screen, power supply, the present embodiment is no longer
It repeats.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with program instruction, program instruction
The cell measuring method that above-mentioned each embodiment of the method provides is realized when being executed by processor 811.
Above-mentioned the embodiment of the present application serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely the preferred embodiments of the application, not to limit the application, it is all in spirit herein and
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this application.
Claims (10)
1. a kind of cell measuring method, which is characterized in that the described method includes:
Signal measurement is carried out to serving cell and adjacent cell, obtains the serving cell and the corresponding measurement of the adjacent cell
As a result, including cell signal strength in the measurement result；
According to the cell signal strength of serving cell described in the i-th measurement period, the i-th signal measurement of the serving cell is calculated
It is worth, n times signal measurement is carried out in each measurement period, i >=1, n >=2, i, n are integer；
If the difference of the i-th signal measurements of the serving cell and the historical signal value of the serving cell is less than threshold value,
It determines that terminal is in non-moving state, and stops carrying out signal measurement to the adjacent cell in i+1 measurement period；
If the difference of the i-th signal measurements of the serving cell and the historical signal value of the serving cell is greater than the threshold
Value, it is determined that the terminal is in moving condition, and carries out signal survey to the adjacent cell in the i+1 measurement period
Amount, and be updated according to historical signal value of the i-th signal measurements of the serving cell to the serving cell.
2. the method according to claim 1, wherein the method, further includes:
Signal measurement is carried out to the serving cell in the i+1 measurement period；
According to the cell signal strength of serving cell described in the i+1 measurement period, the i+1 of the serving cell is calculated
Signal measurements；
If the difference of the i+1 signal measurements of the serving cell and the historical signal value of the serving cell is greater than the threshold
Value, then starting carries out signal measurement to the adjacent cell in the i-th+2 measurement period.
3. method according to claim 1 or 2, which is characterized in that described to carry out signal survey to serving cell and adjacent cell
After amount, further includes:
According to the cell signal strength of adjacent cell described in i-th measurement period, the i-th signal measurement of the adjacent cell is calculated
Value；
If the difference of the i-th signal measurements of the serving cell and the historical signal value of the serving cell is less than threshold
Value then stops carrying out signal measurement to the adjacent cell in i+1 measurement period, comprising:
If the difference of the i-th signal measurements of the serving cell and the historical signal value of the serving cell is less than the threshold
Value, and the difference of the historical signal value of the i-th signal measurements of the adjacent cell and the adjacent cell is less than the threshold value, then exists
Stop carrying out signal measurement to the adjacent cell in the i+1 measurement period.
4. method according to claim 1 or 2, which is characterized in that the serving cell according to the i-th measurement period
Cell signal strength, calculate the i-th signal measurements of the serving cell, comprising:
The signal strength average value of the corresponding n cell signal strength of serving cell described in i-th measurement period is calculated, and
The signal strength average value is determined as to the i-th signal measurements of the serving cell；
Or,
Interference value filtering is carried out to the corresponding n cell signal strength of serving cell described in i-th measurement period, obtains m
A cell signal strength, m≤n；Calculate the signal strength average value of the m cell signal strength, and by the signal strength
Average value is determined as the i-th signal measurements of the serving cell.
5. method according to claim 1 or 2, which is characterized in that described to carry out signal survey to serving cell and adjacent cell
Before amount, further includes:
Obtain the cell switching frequency in scheduled duration；
The length of the measurement period is adjusted according to the cell switching frequency, wherein the cell switching frequency and measurement week
The length negative correlation of phase, and the number of signal measurement is carried out in measurement period and the length of measurement period is positively correlated pass
System.
6. a kind of cell measurement device, which is characterized in that described device includes:
First measurement module obtains the serving cell and the neighbour for carrying out signal measurement to serving cell and adjacent cell
Cell corresponding measurement result includes cell signal strength in the measurement result；
First computing module calculates the service for the cell signal strength of the serving cell according to the i-th measurement period
I-th signal measurements of cell carry out n times signal measurement in each measurement period, and i >=1, n >=2, i, n are integer；
Stopping modular, the difference of the historical signal value for the i-th signal measurements and serving cell when the serving cell
It when value is less than threshold value, determines that terminal is in non-moving state, and stops carrying out letter to the adjacent cell in i+1 measurement period
Number measurement；
Update module, the difference of the historical signal value for the i-th signal measurements and serving cell when the serving cell
When value is greater than the threshold value, determine that the terminal is in moving condition, and to the adjacent cell in the i+1 measurement period
Signal measurement is carried out, and is carried out according to historical signal value of the i-th signal measurements of the serving cell to the serving cell
It updates.
7. device according to claim 6, which is characterized in that described device, further includes:
Second measurement module, for carrying out signal measurement to the serving cell in the i+1 measurement period；
Second computing module calculates institute for the cell signal strength of the serving cell according to the i+1 measurement period
State the i+1 signal measurements of serving cell；
Starting module, for when the i+1 signal measurements of the serving cell and the historical signal value of the serving cell
When difference is greater than the threshold value, starting carries out signal measurement to the adjacent cell in the i-th+2 measurement period.
8. device according to claim 6 or 7, which is characterized in that described device, further includes:
Third computing module calculates the neighbour for the cell signal strength of the adjacent cell according to i-th measurement period
I-th signal measurements of cell；
The stopping modular is also used to the historical signal of the i-th signal measurements and the serving cell when the serving cell
The difference of value is less than the threshold value, and the difference of the historical signal value of the i-th signal measurements of the adjacent cell and the adjacent cell
When value is less than the threshold value, stop carrying out signal measurement to the adjacent cell in the i+1 measurement period.
9. a kind of mobile terminal, which is characterized in that the mobile terminal includes processor, the storage that is connected with the processor
Device, and the program instruction being stored on the memory, the processor are realized when executing described program instruction as right is wanted
Seek 1 to 5 any cell measuring method.
10. a kind of computer readable storage medium, which is characterized in that be stored thereon with program instruction, described program instruction is located
Reason device realizes cell measuring method as claimed in claim 1 to 5 when executing.
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| CN201710679508.2A CN107295558B (en) | 2017-08-10 | 2017-08-10 | Cell measuring method, device and storage medium |
| PCT/CN2018/099236 WO2019029540A1 (en) | 2017-08-10 | 2018-08-07 | Cell measurement method and apparatus, terminal, and storage medium |
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| CN107295558B (en) * | 2017-08-10 | 2019-09-20 | Oppo广东移动通信有限公司 | Cell measuring method, device and storage medium |
| CN111615139B (en) * | 2017-09-19 | 2023-02-17 | Oppo广东移动通信有限公司 | Cell measurement method and device |
| CN111108764B (en) * | 2017-10-26 | 2022-10-18 | 南通朗恒通信技术有限公司 | Method and device used in user equipment and base station for wireless communication |
| CN109803278B (en) | 2017-11-16 | 2022-04-26 | 维沃移动通信有限公司 | Non-connection state measuring method, terminal and base station |
| BR112020016285A2 (en) | 2018-02-12 | 2020-12-15 | Huawei Technologies Co., Ltd. | MEASUREMENT METHOD AND APPARATUS |
| CN110351743B (en) * | 2018-04-04 | 2021-02-19 | 维沃移动通信有限公司 | Measurement method, terminal, network side equipment and computer readable storage medium |
| CN112840692B (en) * | 2018-10-26 | 2023-02-10 | 华为技术有限公司 | Cell measurement method, device and storage medium |
| CN112188569B (en) * | 2019-07-05 | 2023-11-21 | 北京三星通信技术研究有限公司 | Communication method and apparatus in wireless communication network |
| WO2021142641A1 (en) * | 2020-01-15 | 2021-07-22 | Oppo广东移动通信有限公司 | Method and device for measurement relaxation |
| CN113271624B (en) * | 2021-06-16 | 2022-11-01 | 展讯通信（上海）有限公司 | Cell measurement method, device and equipment |
| CN113923738B (en) * | 2021-10-25 | 2023-09-05 | 华信咨询设计研究院有限公司 | Switching method of 5G cell under UDN architecture and related device |
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