CN107295558A - cell measuring method and device - Google Patents
cell measuring method and device Download PDFInfo
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- CN107295558A CN107295558A CN201710679508.2A CN201710679508A CN107295558A CN 107295558 A CN107295558 A CN 107295558A CN 201710679508 A CN201710679508 A CN 201710679508A CN 107295558 A CN107295558 A CN 107295558A
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000005259 measurement Methods 0.000 claims abstract description 413
- 230000000875 corresponding effect Effects 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 8
- 230000002596 correlated effect Effects 0.000 claims description 3
- 210000004027 cell Anatomy 0.000 claims 86
- 210000004460 N cell Anatomy 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 8
- 238000010295 mobile communication Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 235000021186 dishes Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- 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]
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- 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
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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
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- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses a kind of cell measuring method and device, belong to the communications field.Methods described includes：Signal measurement is carried out to serving cell and adjacent cell, obtains including cell signal strength in serving cell and each self-corresponding measurement result of adjacent cell, measurement result；According to the cell signal strength of serving cell in the i-th measurement period, calculate and n signal measurement, i >=1, n >=2 are carried out in the i-th signal measurements of serving cell, each measurement period；If the difference of the i-th signal measurements of serving cell and the historical signal value 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 i-th signal measurements of serving cell and the historical signal value of serving cell is more than the threshold value, signal measurement then is carried out to adjacent cell in i+1 measurement period, and the historical signal value of serving cell is updated according to the i-th signal measurements of serving cell.
Description
Technical field
The present embodiments relate to the communications field, more particularly to a kind of cell measuring method and device.
Background technology
In mobile communication system, in order to ensure 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 dependent on the signal measurement of terminal-pair adjacent cell and reported.
In correlation technique, in order to reduce the power consumption of terminal, when terminal-pair serving cell and adjacent cell carry out signal measurement, i.e.,
First timer is enabled, when first timer reaches timing, terminal calculates timing initial time and serviced with timing finish time
The signal difference of cell；When the signal difference is more than threshold value, terminal stops carrying out signal measurement to adjacent cell, and enables second
Timer, and then when second timer reaches timing, adjacent cell is measured again.
The content of the invention
The embodiments of the invention provide a kind of cell measuring method and device, it can solve by terminal measurement error or letter
Number influence of fluctuations, it is inaccurate to calculate obtained signal difference according only to timing initial time and timing finish time, and then causes
Adjacent cell measurement mistakenly stop stops or the problem of error starting.The technical scheme is as follows：
First aspect includes there is provided a kind of cell measuring method, this method：
Signal measurement is carried out to serving cell and adjacent cell, serving cell and each self-corresponding measurement knot of adjacent cell is obtained
Really, cell signal strength is included 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 signal measurement is carried out in each measurement period, i >=1, n >=2, i, n is integer；
If the difference of the i-th signal measurements of serving cell and the historical signal value 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 i-th signal measurements of serving cell and the historical signal value of serving cell is more than threshold value, i-th
Signal measurement is carried out to adjacent cell in+1 measurement period, and serving cell gone through according to the i-th signal measurements of serving cell
History signal value is updated.
Second aspect includes there is provided a kind of cell measurement device, the device：
First measurement module, for carrying out signal measurement to serving cell and adjacent cell, obtains serving cell and adjacent cell
Cell signal strength is included in each self-corresponding measurement result, measurement result；
First computing module, for the cell signal strength according to serving cell in the i-th measurement period, calculates serving cell
The i-th signal measurements, n signal measurement is carried out in each measurement period, i >=1, n >=2, i, n is integer；
Stopping modular is small for the i-th signal measurements and the difference of the historical signal value of serving cell when serving cell
When threshold value, stop carrying out signal measurement to adjacent cell in i+1 measurement period；
Update module is big for the i-th signal measurements and the difference of the historical signal value of serving cell when serving cell
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
Historical signal value to serving cell is updated.
The third aspect includes there is provided a kind of terminal, the terminal：Processor, the memory being connected with processor, Yi Jicun
The programmed instruction of storage on a memory, realizes the cell measurement side as described in above-mentioned first aspect during computing device programmed instruction
Method.
Fourth aspect is stored thereon with programmed instruction there is provided a kind of computer-readable recording medium, and programmed instruction is located
Manage the cell measuring method realized when device is performed as described in above-mentioned first aspect.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought includes：
Terminal is carried out after signal measurement in current measurement cycle to serving cell and adjacent cell, according in the measurement period
The cell signal strength for the serving cell that n signal measurement is obtained, 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, so as to reduce the power consumption of terminal；When the difference of signal measurements and historical signal value is larger,
Proceed adjacent cell signal measurement in next measurement period, it is ensured that to the test constantly of adjacent cell under mobile state of terminal；
Meanwhile, the signal measurements of serving cell are calculated based on the multiple signal measurement result in measurement period, terminal survey can be reduced
The influence produced by error and signal fluctuation is measured, the degree of accuracy for calculating obtained signal measurements is improved, and then improve terminal
The accuracy on the opportunity of stopping or unlatching adjacent cell measurement.
Brief description of the drawings
Fig. 1 shows the structural representation for the GSM that one embodiment of the invention is provided；
Fig. 2 shows the flow chart for the cell measuring method that one embodiment of the invention is provided；
Fig. 3 shows the flow chart for the cell measuring method that one embodiment of the invention is provided；
Fig. 4 shows the implementation schematic diagram of terminal moving process in mobile communication system；
Fig. 5 shows the flow chart for the cell measuring method that another embodiment of the present invention is provided；
Fig. 6 shows the flow chart for the cell measuring method that another embodiment of the present invention is provided；
Fig. 7 shows the block diagram for the cell measurement device that one embodiment of the invention is provided；
Fig. 8 shows the structural representation of the terminal involved by an illustrative embodiment of the invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying 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 of description affiliated partner is closed
System, expression may have three kinds of relations, for example, A and/or B, can be represented：Individualism A, while there is A and B, individualism
These three situations of B.It is a kind of relation of "or" that character "/", which typicallys represent forward-backward correlation object,.
Understand for convenience, the noun being related 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 set up wireless heterogeneous networks (Radio Resource Control, RRC) with terminal
Connect and provided for terminal the cell of service.
Adjacent cell (Neighbor Cell, NCell)：Also known as neighbor cell, refer to terminal be currently accessed serving cell with
Other outer cells.During in RRC Idle state, terminal-pair adjacent cell is measured, and metrical information is reported into base station, by base
Stand and cell reselection is carried out according to the metrical information instruction terminal；During in RRC connected states, terminal-pair adjacent cell is measured, and
Metrical information is reported into base station, cut by base station according to metrical information instruction terminal between serving cell and adjacent cell
Change.
Fig. 1 is refer to, the structural representation of the GSM provided it illustrates one embodiment of the 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 GSM includes：Access network equipment
120 and terminal 140.
Access network equipment 120 can be base station, and the base station can be used for the radio frames that will be received to be carried out with IP packet messages
Mutually conversion, goes back attribute management of the tunable to air interface.For example, base station can be with evolved base station (eNB or the e- in LTE
NodeB, evolutional Node B), or, the base station of integrated distribution formula framework is used in 5G systems.
Optionally, in the GSM shown in Fig. 1, the respective wireless signal of the different correspondences of access network equipment 120 covers
Lid scope (with border circular areas of the access network equipment 120 for the center of circle), the wireless signal coverage is referred to as cell, and different small
Exist between area and occur simultaneously.In other possible embodiments, same access network equipment 120 can correspond to multiple cells, and respectively
The different mark of individual cell correspondence, the embodiment of the present invention is defined not to this.
Access network equipment 120 and terminal 140 set up wireless connection by radio open.Alternatively, the radio open is base
In the radio open of LTE standard；Or, the radio open is the radio open based on 5G standards, such as the radio open is NR；
Or, the radio open can also be the radio open of the more next generation mobile communication network technology standard based on 5G.
Terminal 140 can refer to the equipment for providing a user 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 terminal,
Such as mobile phone (or being " honeycomb " phone) and the computer with mobile terminal, for example, it may be portable, pocket,
Hand-held, built-in computer or vehicle-mounted mobile device.For example, subscri er unit (Subscriber Unit), subscriber station
(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's set (User Terminal), user agent (User Agent), user equipment (User Device),
Or user terminal (User Equipment).
The cell measuring method that each embodiment of the invention is provided is used for terminal 140 under RRC Idle state or connected state,
The scene of signal measurement is carried out to adjacent cell.
In correlation technique, terminal calculates obtained signal difference according only to timing initial time and timing finish time, really
Determine whether terminal there occurs movement during timing, however, being influenceed by terminal measurement error or signal fluctuation, terminal is calculated
To signal difference may be inaccurate.Such as, terminal during timing in is not moved, but timing finish time by
To signal fluctuation influence, it is larger to cause to calculate obtained signal difference, and then erroneous judgement terminal there occurs movement during timing,
Continue to carry out signal measurement to adjacent cell, add the power consumption of terminal.
Even if also, in the case where terminal measurement error and signal fluctuation are minimum, according to timing initial time and timing
Finish time calculates the mobile status of interior terminal during obtained signal difference can not also accurately reflect timing.Such as, such as Fig. 1 institutes
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, enable in during first timer, and first timer timing, eventually
End 140 is moved to place C along path A-B-C (dashed path in Fig. 1) by place A.Because 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 the calculating of terminal 140 is obtained
During 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, under actual conditions, terminal 140 is interior during timing to be in mobile status, and terminal 140
During 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, it is ensured that cell
Switching is normally carried out.It can be seen that, the mobile status of correlation technique interior terminal during timing can not be recognized accurately is easily caused adjacent small
The mistakenly stop of region measurement, which stops or opened by mistake, to be opened.
In order to solve the above 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, reduce the influence produced by terminal measurement error and signal fluctuation, calculating knot is improved
The accuracy of fruit, and then improve the accuracy that terminal stops or opens adjacent cell measurement opportunity.Below using schematical implementation
Example is illustrated.
Fig. 2 is refer to, the flow chart of the cell measuring method provided it illustrates one embodiment of the invention, the present embodiment
Illustrated so that the cell measuring method is used 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 each self-corresponding
Cell signal strength is included in measurement result, measurement result.
Under RRC Idle state or connected state, terminal is believed being currently accessed serving cell and each adjacent cell respectively
Number measurement, so as to obtain corresponding measurement result, wherein, cell signal strength, cell signal quality are included in the measurement result
The information such as (such as signal to noise ratio) and cell ID, the cell signal strength uses Reference Signal Received Power (Reference
Signal Receiving Power, RSRP) and/or Reference Signal Received Quality (Reference Signal Receiving
Quality, RSRQ) represent.
In a kind of possible embodiment, under Idle state or connected state, terminal is spaced (such as at predetermined time intervals
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
N signal measurement is carried out in measured value, each measurement period, i >=1, n >=2, i, n is integer.
In the embodiment of the present invention, terminal carries out signal measurement according to the measurement period pre-set, and in each measurement week
Interim terminal carries out the signal measurement of pre-determined number.Such as, terminal carries out 10 signal measurements in each measurement period.
After the signal measurement that pre-determined number is completed in current measurement cycle (i.e. the i-th measurement period), the further root of terminal
According to the cell signal strength of the serving cell included in each 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 intensity average value of intensity, and the signal intensity average value is defined 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：-30dBm、-31dBm、-29dBm、-30dBm、-29dBm、-31.5dBm、-
28.5dBm, -30dBm, -30dBm, -31dBm, terminal are that the signal intensity 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 produced by further reducing 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 intensity average value of m cell signal strength, and by the signal intensity
Average value is defined as the i-th signal measurements of serving cell.
Optionally, terminal is filtered by digital averaging filtering method to n cell signal strength, will be measured and missed by terminal
The interference value that difference or signal fluctuation are produced is filtered, so as to be determined according to the signal intensity average value of remaining cell signal strength
I-th signal measurements of serving cell.In other possible embodiments, terminal can also be put down using limit filtration, amplitude limit
Filtering or Glitch Filter scheduling algorithm filtering interference value, 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：-30dBm、-31dBm、-29dBm、-39dBm、-29dBm、-31.5dBm、-
28.5dBm、-40dBm、-30dBm、-31dBm.Terminal is by filtering algorithm, by the two interference value mistakes of -39dBm and -40dBm
Filter, and the signal intensity average value -30dBm of remaining 8 cell signal strengths is defined as to the i-th signal measurement of serving cell
Value.
Step 203, if serving cell the i-th signal measurements and serving cell historical signal value difference be less than threshold
Value, then stop 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 intensity of the serving cell measured is generally smaller,
Therefore, calculate after the i-th signal measurements for obtaining serving cell, terminal calculates the i-th signal measurements and the history of serving cell
The difference of signal value, so as to determine whether terminal is moved in the i-th measurement period according to the difference.
If calculating obtained difference is less than threshold value, terminal determines to be in non-moving state in the i-th measurement period, in order to drop
The power consumption of low terminal, terminal only carries out signal survey in next measurement period (i.e. i+1 measurement period) to serving cell
Amount, and stop carrying out signal measurement to adjacent cell.
Schematically, terminal, which is calculated, obtains the i-th signal measurements of serving cell for -30dBm, and the historical signal of storage
When being worth for -32dBm, due to both difference 2dBm ＜ threshold value 5dBm, therefore, in i+1 measurement period, terminal stops to neighbour
Cell carries out signal measurement.
Optionally, when carrying out signal measurement in the 1st measurement period, terminal will be included in serving cell first measurement result
Cell signal strength be set to historical signal value；And when carrying out signal measurement in jth (j >=2) measurement period, terminal will take
Signal measurements before business cell are defined as historical signal value.
Step 204, if serving cell the i-th signal measurements and serving cell historical signal value difference be more than threshold
Value, then carry out signal measurement in i+1 measurement period to adjacent cell, and according to the i-th signal measurements of serving cell to clothes
The historical signal value of business cell is updated.
When calculating obtained difference more than threshold value, terminal determines to be in mobile status in the i-th measurement period, in order to true
The measurement result of adjacent cell can be measured and report in time by protecting under mobile status, 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 according to the i-th signal measurements of serving cell to the historical signal value of serving cell, so as to subsequently with
Determine whether terminal is moved on the basis of i-th signal measurements.
Schematically, terminal, which is calculated, obtains the i-th signal measurements of serving cell for -30dBm, and the historical signal of storage
When being worth for -36dBm, due to both difference 6dBm ＜ threshold value 5dBm, therefore, in i+1 measurement period, terminal continues to neighbour
Cell carries out signal measurement, and historical signal value is updated into -30dBm.
It should be noted that being carried out in i+1 measurement period to serving cell and adjacent cell after signal measurement, terminal is adopted
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 determine whether carried out in next measurement period
Adjacent cell measurement, the embodiment of the present invention will not be repeated here.
In summary, in the present embodiment, terminal carries out signal survey in current measurement cycle to serving cell and adjacent cell
After amount, the cell signal strength of the serving cell obtained according to n signal measurement in the measurement period calculates serving cell 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, so as to reduce the power consumption of terminal；In signal measurements and history
When the difference of signal value is larger, proceed adjacent cell signal measurement in next measurement period, it is ensured that 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 the influence produced by terminal measurement error and signal fluctuation, improve the signal measurements for calculating and obtaining
The degree of accuracy, and then improve terminal stop or open adjacent cell measurement opportunity accuracy.
When carrying out cell measurement using the cell measuring method shown in Fig. 2, stop in i+1 measurement period to adjacent cell
Carry out after signal measurement, in order to ensure terminal can re-start adjacent cell measurement during subsequent movement, a kind of possible
Embodiment in, on the basis of Fig. 2, as shown in figure 3, after above-mentioned steps 203, also comprising the following steps.
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 for service
Cell carries out signal measurement, that is, terminal is in i+1 measurement period, obtains the corresponding n 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 to above-mentioned steps 202, terminal obtains the corresponding n measurement knot of serving cell in i+1 measurement period
After fruit, terminal calculates the i+1 signal measurements of serving cell according to the cell signal strength included in n measurement result.Its
In, the process for calculating i+1 signal measurements is similar to the process for calculating the i-th signal measurements, and the present embodiment is no longer gone to live in the household of one's in-laws on getting married herein
State.
Calculating is obtained after i+1 signal measurements, and 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 magnitude relationship of the difference and threshold value
State.
Step 207, if serving cell i+1 signal measurements and serving cell historical signal value difference be more than threshold
Value, then start in the i-th+2 measurement period and carry out signal measurement to adjacent cell.
When serving cell i+1 signal measurements and serving cell historical signal value difference be more than threshold value when, eventually
End determines to be in mobile status in i+1 measurement period, and then restarts in next measurement period the letter to adjacent cell
Number measurement, so as to terminal carry out adjacent cell measurement result report.
Step 208, if serving cell i+1 signal measurements and serving cell historical signal value difference be less than threshold
Value, then stop carrying out signal measurement to adjacent cell in the i-th+2 measurement period.
When serving cell i+1 signal measurements and serving cell historical signal value difference be less than threshold value when, eventually
End determines to be in non-moving state in i+1 measurement period, and then continues to stop to adjacent cell in next measurement period
Signal measurement, so as 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 is moved according to signal measurements of the serving cell in measurement period.Under a kind of actual conditions, such as
Shown in Fig. 4, the serving cell respective base station 41 residing for terminal, adjacent cell respective base station 42 and base station 43, in a measurement period
In, when terminal is moved to B points by A points, terminal calculates and obtains the signal measurements of serving cell and the difference of historical signal value
It is smaller, it is determined that be not moved in the measurement period, and stop in next measurement period measuring adjacent cell.So
And, actual conditions be terminal there occurs adjacent cell at movement, and B points signal be better than serving cell signal, terminal need into
Row adjacent cell measurement and report, so that base station carries out cell switching.
In order to solve the above problems, in a kind of possible embodiment, terminal is simultaneously small according to serving cell and neighbour
Signal measurements of the area in measurement period judge whether terminal is moved, to improve the accurate of mobile state of terminal judgement
Property.On the basis of Fig. 2, as shown in figure 5, also 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 each self-corresponding
Cell signal strength is included in measurement result, 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
N signal measurement is carried out in measured value, each measurement period, i >=1, n >=2, i, n is integer.
Step 209, according to the cell signal strength of adjacent cell in the i-th measurement period, the i-th signal measurement of adjacent cell is calculated
Value.
Similar to above-mentioned steps 202, terminal obtains the corresponding n 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 included in n measurement result.Wherein, count
The process for calculating the signal measurements of adjacent cell i-th is similar to the process for calculating the signal measurements of serving cell i-th, and the present embodiment is herein
Repeat no more.
Schematically, terminal, which is calculated, obtains the i-th signal measurements of adjacent cell for -55dBm.
Step 210, if serving cell the i-th signal measurements and serving cell historical signal value difference be less than threshold
Value, and adjacent cell the i-th signal measurements and adjacent cell historical signal value difference be less than threshold value, then i+1 measure week
Stop carrying out signal measurement to adjacent cell in phase.
Calculate and obtain after the i-th signal measurements of serving cell and adjacent cell, terminal calculate respectively the i-th signal measurements with
The difference of respective historical signal value, and when two differences are respectively less than threshold value, determine that terminal is moved in the i-th measurement period in non-
Dynamic state, and stop in next measurement period to adjacent cell progress signal measurement.
Optionally, when carrying out signal measurement in the 1st measurement period, terminal will be included in adjacent cell first measurement result
Cell signal strength is set to historical signal value；And when carrying out signal measurement in jth (j >=2) measurement period, terminal is small by neighbour
Signal measurements before area are defined as historical signal value.
Step 211, if serving cell the i-th signal measurements and serving cell historical signal value difference be more than threshold
Value, and/or, the difference of the i-th signal measurements of adjacent cell and the historical signal value of adjacent cell is more than threshold value, then is surveyed in i+1
Signal measurement is carried out in the amount cycle to adjacent cell, and the history of serving cell is believed according to the i-th signal measurements of serving cell
Number value is updated, and the historical signal value of adjacent cell is updated according to the i-th signal measurements of adjacent cell.
Schematically, in the communication system shown in Fig. 4, terminal calculate obtain the i-th signal measurements of serving cell for-
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
＞ threshold value 5dBm, therefore, terminal determine to there occurs movement in the i-th measurement period, so that small to neighbour in i+1 measurement period
Area carries out signal measurement, and the corresponding historical signal value of serving cell is updated into -41dBm, and the corresponding history of adjacent cell is believed
Number value is updated to -39dBm.
In the present embodiment, terminal judges according to the signal measurements of serving cell and adjacent cell in measurement period simultaneously
Whether terminal is moved, and improves the degree of accuracy of mobile state of terminal judgement, stops or opens so as to further increase terminal
Open the accuracy on the opportunity of adjacent cell measurement.
In order to further reduce the power consumption of terminal, in a kind of possible embodiment, terminal is not carrying out frequent cell
During switching, extend the length of measurement period so that terminal is for a long time in stopping adjacent cell measurement state.On the basis of Fig. 2,
As shown in fig. 6, before above-mentioned steps 201, also comprising the following steps.
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, represents that terminal switching cell is more frequent, namely terminal is in mobile status in scheduled duration.
Such as, 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 negatively correlated relation of length of phase, and the number of times of signal measurement is carried out in measurement period and the length of measurement period is proportionate 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 the cell switching frequency of terminal is got, terminal is the length that corresponding measurement period is searched from the corresponding relation
Spend, 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 of times 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 of times 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, so that under non-moving state, reduces
The power consumption of terminal.
In the present embodiment, terminal is according to cell switching frequency, the length of dynamic adjustment measurement period so that terminal is moved non-
Under dynamic state, for a long time in adjacent cell measurement state is stopped, the power consumption of terminal is further reduced.
Fig. 7 is refer to, the block diagram of the cell measurement device provided it illustrates one embodiment of the invention, this is small
Region measurement device can by software, hardware or both be implemented in combination with it is some or all of as terminal 140 shown in Fig. 1.
The device can include：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
Cell signal strength is included in each self-corresponding measurement result of adjacent cell, the measurement result；
First computing module 720, for the cell signal strength of the serving cell according to the i-th measurement period, is calculated
N signal measurement, i >=1, n >=2, i are carried out in i-th signal measurements of the serving cell, each measurement period, n is whole
Number；
Stopping modular 730, for the i-th signal measurements when 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 the i-th signal measurements when the serving cell and the historical signal of the serving cell
When the difference of value is more 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 to the historical signal value of the serving cell.
Optionally, described device, in addition to：
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 the i+1 signal measurements when the serving cell and the historical signal of the serving cell
When the difference of value is more than the threshold value, starts in the i-th+2 measurement period and signal measurement is carried out to the adjacent cell.
Optionally, described device, in addition to：
3rd computing module, for the cell signal strength of the adjacent cell according to i-th measurement period, calculates institute
State the i-th signal measurements of adjacent cell；
The stopping modular 730, is additionally operable to work as 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 and the adjacent cell of 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, including：
First computing unit is strong for calculating the corresponding n cell signal of serving cell described in i-th measurement period
The signal intensity average value of degree, and the signal intensity average value is defined 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 is obtained；The signal intensity for calculating the m cell signal strength is averaged
Value, and the signal intensity average value is defined as to the i-th signal measurements of the serving cell.
Optionally, described device, in addition to：
Acquisition module, for obtaining the cell switching frequency in scheduled duration；
Adjusting module, the length for adjusting the measurement period according to the cell switching frequency, wherein, the cell
The negatively correlated relation of length of switching frequency and measurement period, and the number of times and measurement period of signal measurement are carried out in measurement period
Length correlation.
In summary, in the present embodiment, terminal carries out signal survey in current measurement cycle to serving cell and adjacent cell
After amount, the cell signal strength of the serving cell obtained according to n signal measurement in the measurement period calculates serving cell 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, so as to reduce the power consumption of terminal；In signal measurements and history
When the difference of signal value is larger, proceed adjacent cell signal measurement in next measurement period, it is ensured that 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 the influence produced by terminal measurement error and signal fluctuation, improve the signal measurements for calculating and obtaining
The degree of accuracy, and then improve terminal stop or open adjacent cell measurement opportunity accuracy.
In the present embodiment, terminal judges according to the signal measurements of serving cell and adjacent cell in measurement period simultaneously
Whether terminal is moved, and improves the degree of accuracy of mobile state of terminal judgement, stops or opens so as to further increase terminal
Open the accuracy on the opportunity of adjacent cell measurement.
In the present embodiment, terminal is according to cell switching frequency, the length of dynamic adjustment measurement period so that terminal is moved non-
Under dynamic state, for a long time in adjacent cell measurement state is stopped, the power consumption of terminal is further reduced.
Fig. 8 shows the structural representation of the terminal involved by 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 instructed for storage program, processor 811 is realized above-mentioned each when performing the programmed instruction in memory 814
The cell measuring method that individual embodiment of the method is provided.
Alternatively, memory 814 can be by any kind of volatibility or non-volatile memory device or their group
Close and realize, such as static access memory (SRAM) at any time, Electrically Erasable Read Only Memory (EEPROM) is erasable to compile
Journey read-only storage (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, flash
Device, disk or CD.
Receiver 812 and transmitter 813 are connected by bus 815 with processor 811 respectively.Alternatively, processor 811 is held
Programmed instruction in line storage 814 is to control receiver 812 and transmitter 813 to carry out serving cell and adjacent cell measurement.
Receiver 812 and transmitter 813 can be implemented as a communication component, and the communication component can be one piece of communication core
Piece, for being modulated and/or demodulating to information, and by reception of wireless signals or sends the information.
Said structure signal is only that terminal is schematically illustrated, and terminal can include more or less parts, such as
Terminal can not include transmitter, or, terminal also includes other parts such as sensor, display screen, power supply, and the present embodiment is no longer
Repeat.
The embodiment of the present invention also provides a kind of computer-readable recording medium, is stored thereon with programmed instruction, programmed instruction
The cell measuring method that each above-mentioned embodiment of the method is provided is realized when being performed by processor 811.
Above-mentioned the embodiment of the present application sequence number is for illustration only, and the quality of embodiment is not represented.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can be by hardware
To complete, the hardware of correlation can also be instructed to complete by program, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only the preferred embodiment of the application, not to limit the application, it is all in spirit herein and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the protection domain of the application.
Claims (10)
1. a kind of cell measuring method, it is characterised in that methods described includes：
Signal measurement is carried out to serving cell and adjacent cell, the serving cell and each self-corresponding measurement of the adjacent cell is obtained
As a result, cell signal strength is included in the measurement result；
The cell signal strength of serving cell according to the i-th measurement period, calculates the i-th signal measurement of the serving cell
N signal measurement is carried out in value, each measurement period, i >=1, n >=2, i, n is 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,
Stop 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 more than the threshold
Value, then carry out signal measurement in the i+1 measurement period to the adjacent cell, and according to the i-th of the serving cell the letter
Number measured value is updated to the historical signal value of the serving cell.
2. according to the method described in claim 1, it is characterised in that methods described, in addition to：
Signal measurement is carried out to the serving cell in the i+1 measurement period；
The cell signal strength of serving cell according to the i+1 measurement period, calculates the i+1 of the serving cell
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 more than the threshold
Value, then start in the i-th+2 measurement period and carry out signal measurement to the adjacent cell.
3. method according to claim 1 or 2, it is characterised in that described that signal survey is carried out to serving cell and adjacent cell
After amount, in addition to：
The cell signal strength of adjacent cell according to i-th measurement period, calculates the i-th signal measurement of the adjacent cell
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 stop carrying out the adjacent cell signal measurement in i+1 measurement period, including：
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 i-th signal measurements of the adjacent cell are less than the threshold value with the difference of the historical signal value of the adjacent cell, then exist
Stop carrying out signal measurement to the adjacent cell in the i+1 measurement period.
4. method according to claim 1 or 2, it is characterised 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, including：
The signal intensity average value of the corresponding n cell signal strength of serving cell described in i-th measurement period is calculated, and
The signal intensity average value is defined as to the i-th signal measurements of the serving cell；
Or,
N cell signal strength corresponding to serving cell described in i-th measurement period carries out interference value filtering, obtains m
Individual cell signal strength, m≤n；Calculate the signal intensity average value of the m cell signal strength, and by the signal intensity
Average value is defined as the i-th signal measurements of the serving cell.
5. method according to claim 1 or 2, it is characterised in that described that signal survey is carried out to serving cell and adjacent cell
Before amount, in addition to：
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 negatively correlated relation of length of phase, and the number of times of signal measurement is carried out in measurement period and the length of measurement period is proportionate pass
System.
6. a kind of cell measurement device, it is characterised in that described device includes：
First measurement module, for carrying out signal measurement to serving cell and adjacent cell, obtains the serving cell and the neighbour
Cell signal strength is included in each self-corresponding measurement result of cell, the measurement result；
First computing module, for the cell signal strength of the serving cell according to the i-th measurement period, calculates the service
N signal measurement is carried out in i-th signal measurements of cell, each measurement period, i >=1, n >=2, i, n is integer；
Stopping modular, for the i-th signal measurements when the serving cell and the difference of the historical signal value of the serving cell
When value is less than threshold value, stop carrying out signal measurement to the adjacent cell in i+1 measurement period；
Update module, for the i-th signal measurements when the serving cell and the difference of the historical signal value of the serving cell
When value is more than the threshold value, signal measurement is carried out to the adjacent cell in the i+1 measurement period, and according to the service
I-th signal measurements of cell are updated to the historical signal value of the serving cell.
7. device according to claim 6, it is characterised in that described device, in addition to：
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, calculates institute
State the i+1 signal measurements of serving cell；
Starting module, for the i+1 signal measurements when the serving cell and the historical signal value of the serving cell
When difference is more than the threshold value, starts in the i-th+2 measurement period and signal measurement is carried out to the adjacent cell.
8. the device according to claim 6 or 7, it is characterised in that described device, in addition to：
3rd computing module, for the cell signal strength of the adjacent cell according to i-th measurement period, calculates the neighbour
I-th signal measurements of cell；
The stopping modular, is additionally operable to the i-th signal measurements when the serving cell and the historical signal of the serving cell
The difference of value is less than the threshold value, and the difference of the i-th signal measurements and the historical signal value of the adjacent cell of 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 terminal, it is characterised in that the memory that the terminal includes processor, is connected with the processor, Yi Jicun
The programmed instruction on the memory is stored up, is realized during the computing device described program instruction as claim 1 to 5 is any
Described cell measuring method.
10. a kind of computer-readable recording medium, it is characterised in that be stored thereon with programmed instruction, described program instruction is located
Manage the cell measuring method realized when device is performed as described in claim 1 to 5 is any.
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| PCT/CN2018/099236 WO2019029540A1 (en) | 2017-08-10 | 2018-08-07 | Cell measurement method and apparatus, terminal, and storage medium |
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| CN201710679508.2A CN107295558B (en) | 2017-08-10 | 2017-08-10 | Cell measuring method, device and storage medium |
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| CN107295558B (en) | 2019-09-20 |
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