CN104540179B - A kind of cell switch determining method and device - Google Patents
A kind of cell switch determining method and device Download PDFInfo
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- CN104540179B CN104540179B CN201410747644.7A CN201410747644A CN104540179B CN 104540179 B CN104540179 B CN 104540179B CN 201410747644 A CN201410747644 A CN 201410747644A CN 104540179 B CN104540179 B CN 104540179B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
Abstract
The embodiment of the invention discloses a kind of cell switch determining method and devices, are related to wireless communication field, for improving the speech quality of terminal.In the embodiment of the present invention, the handover event measurement report that terminal reports is received, the PCCPCH RSCP of source cell and Target cell is carried in the handover event measurement report；According to the switch instances in current time foregoing description terminal in each minizone, the PCCPCH RSCP of the source cell and Target cell is decayed or compensated；According to decaying or the PCCPCH RSCP of the compensated source cell and Target cell, cell switch determining is carried out to the terminal, to improve the speech quality of terminal.
Description
Technical field
The present invention relates to wireless communication field more particularly to a kind of cell switch determining methods and device.
Background technique
In wireless cellular communication network, RNC (Radio Network Controller, radio network controller) basis
The pilot signal strength that UE (User Equipment, terminal) is measured judges whether the UE needs to be cut in neighboring community
It changes.RNC requires UE to measure in the measurement type field of measurement control (Measurement Control) message,
Event is required to trigger measurement report in the measurement report pattern field of Measurement Control message, in the measurement of measurement
The cell (including source cell and neighboring community) for specifying UE to need to measure in list object is specified in the measurement amount field of measurement
Measure basic Common Control Physical Channel received signal code power (Primary CCPCH (Common Control Physical
Channel, Common Control Physical Channel) RSCP (Received Signal Code Power, received signal code power)).
Fig. 1 shows the schematic diagram of cell switch determining process in the prior art, as shown in Figure 1, firstly, UE is to source cell
Common Control Physical Channel received signal code power PCCPCH RSCP carry out lasting measurement, when UE measures PCCPCH_
When RSCP_serving < RSCP_DL_DROP (wherein, PCCPCH_RSCP_serving is the PCCPCH RSCP of source cell,
RSCP_DL_DROP is predetermined threshold value), UE carries out lasting measurement to the PCCPCH RSCP of neighboring community, when UE is measured
In interval of time t, when PCCPCH_RSCP_neighbering-PCCPCH_RSCP_serving > RSCP_DL_COMP
(PCCPCH_RSCP_neighbering is that the PCCPCH RSCP, RSCP_DL_COMP of neighboring community are predetermined threshold value), UE
Triggering RNC judges whether the UE being switched to neighboring community, if PCCPCH_RSCP_neighbering > RSCP_DL_ADD (its
In, RSCP_DL_ADD is predetermined threshold value), then UE is switched to neighboring community by RNC, and otherwise, RNC keeps original chain of the UE
Road connection.
In actual cellular communications network, since the problems such as wireless network environment is complicated, pilot pollution, is easy to cause terminal
Frequently switch between multiple cells, so as to cause terminal call drop, paging less than, voice quality is unintelligible the problems such as.Example
Such as, it converses in the vehicle that user travels on overpass, the covering since overpass locations are higher, in main force coverage cell
Within the scope of be possible to there is also other strong signals, if the letter of the signal strength of other strong signals and main force coverage cell
Number similar intensity, will result in terminal frequent switching between neighboring community, the speech quality in turn resulting in terminal is greatly lowered.
Summary of the invention
The embodiment of the invention provides a kind of cell switch determining method and devices, to reduce terminal in multiple minizones
Pingpang handoff, improve the speech quality of user.
A kind of cell switch determining method, this method comprises:
The handover event measurement report that terminal reports is received, carries source cell and target in the handover event measurement report
The Common Control Physical Channel received signal code power PCCPCH RSCP of cell；
According to the switch instances in current time foregoing description terminal in each minizone, to the source cell and Target cell
PCCPCH RSCP decayed or compensated；
According to decaying or the PCCPCH RSCP of the compensated source cell and Target cell, the terminal is carried out small
Area's switch decision.
From above scheme as can be seen that the embodiment of the present invention can obtain terminal in the length of stay of each cell,
And according to the length of stay in each cell, the main force coverage cell and needle point coverage cell of the terminal are judged, and small
When area's switch decision, automatically main force coverage cell is compensated, is decayed to needle point coverage cell, to effectively drop
The low pingpang handoff of terminal, can make the terminal rest on main force coverage cell as far as possible, and no longer be switched to needle point and cover
Lid cell, to effectively raise the speech quality of user.
Preferably, corresponding to each cell is that the first counter and the second counter is arranged in the terminal；In the terminal
Carry out cell switching after, if the terminal after handover cell length of stay be greater than first threshold, by the switching
The numerical value of the first counter of cell is incremented by afterwards；If the length of stay of terminal cell after handover is less than the second threshold
The numerical value of second counter of cell after the switching, then be incremented by by value；The second threshold is less than the first threshold；It is described
According to the switch instances in current time foregoing description terminal in each minizone, to the PCCPCH of the source cell and Target cell
RSCP is decayed or is compensated, comprising: judges whether the numerical value of the first counter of the source cell is greater than zero, if so, root
According to the numerical value of the first counter of the source cell, the PCCPCH RSCP of the source cell is compensated, otherwise, according to institute
The numerical value for stating the second counter of source cell decays to the PCCPCH RSCP of the source cell；Judge the Target cell
The numerical value of the first counter whether be greater than zero, if so, according to the numerical value of the first counter of the Target cell, to described
The PCCPCH RSCP of Target cell is compensated, otherwise, according to the numerical value of the second counter of the Target cell, to described
The PCCPCH RSCP of Target cell decays.
From above scheme as can be seen that the embodiment of the present invention is that two counters are arranged in terminal, for counting the terminal
It the needle point coverage cell of main force coverage cell and the cell can be effective for there are needle points to cover, the region of pilot pollution
Main force coverage cell is found, the pingpang handoff of terminal is reduced, to improve the speech quality of user.
Preferably, after the terminal is switched to second community from first community, the first counter of the first community
Numerical value is greater than zero, and when the numerical value of the first counter of the second community is greater than zero, the first of the first community is counted
Device is reset；After the terminal is switched to second community from first community, when the numerical value of the first counter of the second community is big
When zero, by the second counter O reset of the second community.In this way, when terminal be switched to from a main force coverage cell it is next
When a main force coverage cell, counter can automatically be reset, and the embodiment of the present invention can automatically judge main force coverage cell,
It is maintained at calling on main force coverage cell to greatest extent, effectively avoids unnecessary switching.
Preferably, the PCCPCH RSCP of a pair of source cell or Target cell is compensated according to the following formula；Formula
One: PCCPCH RSCP=PCCPCH RSCPrecieve+T*th1；Wherein, PCCPCH RSCP is the compensated source cell
PCCPCH RSCP, PCCPCH RSCPrecievePCCPCH for the source cell carried in the handover event measurement report
RSCP, T are used to indicate the numerical value of the first counter of the source cell, and th1 is Dynamic gene；Alternatively, PCCPCH RSCP is to mend
PCCPCH RSCP, the PCCPCH RSCP of the Target cell after repayingrecieveTo be carried in the handover event measurement report
Target cell PCCPCH RSCP, T is used to indicate the numerical value of the first counter of the Target cell, th1 be adjustment because
Son.In this way, the embodiment of the present invention can count to obtain main force coverage cell, and in cell switching, to main force coverage cell into
Row enhancing.
Preferably, the PCCPCH RSCP of two pairs of source cells or Target cell decays according to the following formula；Formula
Two: PCCPCH RSCP=PCCPCH RSCPrecieve-T1*th1；Wherein, PCCPCH RSCP is the source cell after decaying
PCCPCH RSCP, PCCPCH RSCPrecievePCCPCH for the source cell carried in the handover event measurement report
RSCP, T1 are used to indicate the numerical value of the second counter of the source cell, and th1 is Dynamic gene；Alternatively, PCCPCH RSCP is
PCCPCH RSCP, the PCCPCH RSCP of the Target cell after decayingrecieveTo be taken in the handover event measurement report
The PCCPCH RSCP, T1 of the Target cell of band are used to indicate that the numerical value of the second counter of the Target cell, th1 to be adjustment
The factor.In this way, the embodiment of the present invention can count to obtain needle point coverage cell, and in cell switching, to needle point coverage cell
Decay.
A kind of cell switch determining device, comprising:
Receiving unit, the handover event measurement report reported for receiving terminal are taken in the handover event measurement report
Common Control Physical Channel received signal code power PCCPCH RSCP with source cell and Target cell；
Adjustment unit, the switch instances for basis in current time foregoing description terminal in each minizone, to the source
The PCCPCH RSCP of cell and Target cell is decayed or is compensated；
Decision unit, for the PCCPCH RSCP according to decaying or the compensated source cell and Target cell, to institute
It states terminal and carries out cell switch determining.
From above scheme as can be seen that the embodiment of the present invention can obtain terminal in the length of stay of each cell,
And according to the length of stay in each cell, the main force coverage cell and needle point coverage cell of the terminal are judged, and small
When area's switch decision, automatically main force coverage cell is compensated, is decayed to needle point coverage cell, to effectively drop
The low pingpang handoff of terminal, can make the terminal rest on main force coverage cell as far as possible, and no longer be switched to needle point and cover
Lid cell, to effectively raise the speech quality of user.
Preferably, device further include: the first counter, the second counter and statistic unit；Statistic unit, in institute
State terminal carry out cell switching after, when the terminal after handover cell length of stay be greater than first threshold when, by institute
The numerical value for stating the first counter of cell after switching is incremented by；When the length of stay of terminal cell after handover is less than
When two threshold values, the numerical value of the second counter of cell after the switching is incremented by；The second threshold is less than the first threshold；
The adjustment unit is also used to, and judges whether the numerical value of the first counter of the source cell is greater than zero, if so, according to described
The numerical value of first counter of source cell compensates the PCCPCH RSCP of the source cell, otherwise, small according to the source
The numerical value of second counter in area decays to the PCCPCH RSCP of the source cell；Judge the first of the Target cell
Whether the numerical value of counter is greater than zero, if so, according to the numerical value of the first counter of the Target cell, it is small to the target
The PCCPCH RSCP in area is compensated, otherwise, small to the target according to the numerical value of the second counter of the Target cell
The PCCPCH RSCP in area decays.
From above scheme as can be seen that the embodiment of the present invention is that two counters are arranged in terminal, for counting the terminal
It the needle point coverage cell of main force coverage cell and the cell can be effective for there are needle points to cover, the region of pilot pollution
Main force coverage cell is found, the pingpang handoff of terminal is reduced, to improve the speech quality of user.
Preferably, the statistic unit is also used to, after the terminal is switched to second community from first community, described
The numerical value of first counter of one cell is greater than zero, when the numerical value of the first counter of the second community is greater than zero, by institute
State the first counter O reset of first community；After the terminal is switched to second community from first community, when the second community
The first counter numerical value be greater than zero when, by the second counter O reset of the second community.In this way, working as terminal from a master
When power coverage cell is switched to next main force coverage cell, counter can automatically be reset, and the embodiment of the present invention can be certainly
Dynamic judgement main force coverage cell is maintained at calling on main force coverage cell to greatest extent, and it is unnecessary effectively to avoid
Switching.
Preferably, the statistic unit is also used to, according to the following formula a pair of source cell or Target cell
PCCPCH RSCP is compensated；One: PCCPCH RSCP=PCCPCH RSCP of formularecieve+T*th1；Wherein, PCCPCH
RSCP is PCCPCH RSCP, the PCCPCH RSCP of the compensated source cellrecieveFor the handover event measurement report
The PCCPCH RSCP of the source cell of middle carrying, T are used to indicate the numerical value of the first counter of the source cell, th1 be adjustment because
Son；Alternatively, PCCPCH RSCP is PCCPCH RSCP, the PCCPCH RSCP of the compensated Target cellrecieveIt is described
The PCCPCH RSCP, T of the Target cell carried in handover event measurement report are used to indicate that the first of the Target cell to count
The numerical value of device, th1 are Dynamic gene.In this way, the embodiment of the present invention can count to obtain main force coverage cell, and switch in cell
When, main force coverage cell is enhanced.
Preferably, the statistic unit is also used to, according to the following formula two pairs of source cells or Target cell
PCCPCH RSCP decays；Two: PCCPCH RSCP=PCCPCH RSCP of formularecieve-T1*th1；Wherein, PCCPCH
RSCP is PCCPCH RSCP, the PCCPCH RSCP of the source cell after decayingrecieveFor the handover event measurement report
The PCCPCH RSCP, T1 of the source cell of middle carrying are used to indicate that the numerical value of the second counter of the source cell, th1 to be adjustment
The factor；Alternatively, PCCPCH RSCP is PCCPCH RSCP, the PCCPCH RSCP of the Target cell after decayingrecieveFor institute
The PCCPCH RSCP, T1 of the Target cell carried in handover event measurement report are stated for indicating the second of the Target cell
The numerical value of counter, th1 are Dynamic gene.In this way, the embodiment of the present invention can count to obtain needle point coverage cell, and in cell
When switching, decay to needle point coverage cell.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without any creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is the schematic diagram of cell switch determining process in the prior art；
Fig. 2 is a kind of schematic diagram of cell switch determining method provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of cell switch determining device provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
The embodiment of the present invention is suitable for a variety of radio honeycomb mobile communications network frameworks, and it is serious to be particularly suitable for pilot pollution
Region, there are the regions that the region of overpass and the fringe region in indoor building etc. are easy to happen ping-pong.
The embodiment of the present invention is without being transformed terminal, it is only necessary to by the call of track terminal, determine that the terminal exists
The length of stay of each cell, and by the process of self study, realize the PCCPCH to the main force coverage cell of the terminal
The process that RSCP is compensated, decayed to the PCCPCH RSCP of needle point coverage cell, effectively reduces the table tennis of terminal
Switching frequency, to improve the speech quality of user.
The embodiment of the present invention is specifically described with reference to the accompanying drawing.
Fig. 2 shows a kind of cell switch determining methods provided in an embodiment of the present invention, as shown in Figure 2:
Step 21: receiving the handover event measurement report that terminal reports, carry source cell in the handover event measurement report
With the Common Control Physical Channel received signal code power PCCPCH RSCP of Target cell.
When specific implementation, the measurement report that terminal reports is received, which can be handover event measurement report；Eventually
End can also be when meeting measuring condition, by the PCCPCH RSCP of the source cell measured and Target cell (or neighboring community)
Carrying is reported in other measurement reports.In the embodiment of the present invention, the PCCPCH that receive, terminal can be reported
RSCP is denoted as PCCPCH RSCPrecieve。
Step 22: according to the switch instances in current time foregoing description terminal in each minizone, to the source cell and mesh
The PCCPCH RSCP of mark cell is decayed or is compensated.
The switch instances in current time foregoing description terminal in each minizone when specific implementation, in the embodiment of the present invention
It at least may include the length of stay of each cell that the terminal is switched to and the terminal in each cell, the present invention is real
This all previous cuts of conversing of the terminal can be obtained and record by way of tracking to the terminal a call by applying example
The cell changed to；By way of increasing for the time window of this call, obtains and record this call of the terminal every
The length of stay of a cell；According to all previous Target cell being switched to of the terminal and in each Target cell being switched to
Length of stay, for each Target cell being switched to, judge the cell whether be the terminal main force coverage cell,
Alternatively, judge the cell whether be the terminal needle point coverage cell, and the PCCPCH of the main force coverage cell to the terminal
RSCP is compensated, and is decayed to the PCCPCH RSCP of the needle point coverage cell of the terminal.
It should be noted that the main force coverage cell in the embodiment of the present invention is the main serving cell of the terminal, needle point covers
Lid cell is that the cell of needle point covering problem or needle point effect has occurred, decay suddenly due to the signal of main force coverage cell or
The signal of other cells enhances suddenly, will lead to the terminal from main serving cell and is switched to other rinforzando cells of signal
(cell can be needle point coverage cell), then the terminal is switched to main serving cell from other cells again, to cause
Unnecessary switching.
Step 23: according to decaying or the PCCPCH RSCP of the compensated source cell and Target cell, which being carried out
Cell switch determining.
When specific implementation, the embodiment of the present invention is decayed or is compensated to the PCCPCH RSCP of source cell and Target cell
Afterwards, the scheme that can be provided according to the prior art carries out cell switch determining, and detailed process can be such that
As the PCCPCH RSCP and decaying of decaying or compensated Target cell or the PCCPCH of compensated source cell
It is all larger than threshold value RSCP_DL_COMP in the difference duration t of RSCP, then the terminal can be switched to the Target cell.
Preferably, corresponding to each cell is that the first counter is arranged in the terminal in 21~step 23 of above-mentioned steps
With the second counter；After the terminal carries out cell switching, if the length of stay of terminal cell after handover is big
In first threshold, then the numerical value of the first counter of cell after the switching is incremented by；If terminal cell after handover
Length of stay is less than second threshold, then is incremented by the numerical value of the second counter of cell after the switching；Second threshold
Value is less than the first threshold；Specifically, in step 22, judging whether the numerical value of the first counter of the source cell is greater than
Zero, if so, the PCCPCH RSCP of the source cell is compensated according to the numerical value of the first counter of the source cell,
Otherwise, according to the numerical value of the second counter of the source cell, decay to the PCCPCH RSCP of the source cell；Judgement
Whether the numerical value of the first counter of the Target cell is greater than zero, if so, according to the first counter of the Target cell
Numerical value, the PCCPCH RSCP of the Target cell is compensated, otherwise, according to the second counter of the Target cell
Numerical value, decay to the PCCPCH RSCP of the Target cell.
When specific implementation, the embodiment of the present invention can provide two counters, respectively the first counter for each cell
(can be counter T) and the second counter (can be counter T1), wherein the first counter (counter T) is for indicating
A possibility that cell is the main force coverage cell of above-mentioned terminal, the second counter (counter T1) is for indicating that the cell is
A possibility that stating the needle point coverage cell of terminal；As it can be seen that when the numerical value of the first counter (counter T) of any one cell is got over
Greatly, show that the cell is more possible to the main force coverage cell for above-mentioned terminal；When the second counter of any one cell (counts
Device T1) numerical value it is bigger, show that the cell is more possible to the needle point coverage cell for above-mentioned terminal.So, any one is updated
First counter of cell and the method for the second counter can be such that
The embodiment of the present invention according to terminal some cell length of stay, to the first counter of the cell
The numerical value of (counter T) and the second counter (counter T1) is updated.
After terminal is switched to a Target cell, judge that the terminal is long in the residence time for the Target cell being switched to
Whether degree is greater than first threshold (first threshold can be Tuse), if so, by the first counter (counter of the Target cell
T numerical value) is incremented by, and to indicate terminal residence time long enough in the Target cell, which becomes the main force of the terminal
A possibility that coverage cell, increases；Judge whether the terminal is greater than the second threshold in the length of stay for the Target cell being switched to
It is worth (second threshold can be Tnuse), if so, the numerical value of the second counter (counter T1) of the Target cell is incremented by,
To indicate that terminal residence time in the Target cell falls short of, therefore, which becomes the needle point coverage cell of the terminal
A possibility that increase.
It should be noted that after the terminal is switched to second community from first community, the first meter of the first community
The numerical value of number devices is greater than zero, when the numerical value of the first counter of the second community is greater than zero, by the of the first community
One counter O reset；After the terminal is switched to second community from first community, when the first counter of the second community
When numerical value is greater than zero, by the second counter O reset of the second community.
It, further, can be with after the numerical value of the first counter and the second counter to each cell is updated
According to the first counter of each cell and the updated numerical value of the second counter, the PCCPCH RSCP of each cell is carried out
Decaying or compensation, detailed process can be such that
Judge whether the numerical value of the first counter of the source cell is greater than zero, if so, according to the of the source cell
The numerical value of one counter compensates the PCCPCH RSCP of the source cell；To the PCCPCH RSCP of the source cell into
The mode of row compensation can be such that
It is compensated according to the PCCPCH RSCP of a pair of source cell of formula or Target cell；
One: PCCPCH RSCP=PCCPCH RSCP of formularecieve+T*th1；
Wherein, PCCPCH RSCP is PCCPCH RSCP, the PCCPCH RSCP of the compensated source cellrecieveFor
The PCCPCH RSCP, T of the source cell carried in the handover event measurement report are used to indicate that the first of the source cell to count
The numerical value of device, th1 are Dynamic gene；Alternatively, PCCPCH RSCP is the PCCPCH RSCP of the compensated Target cell,
PCCPCH RSCPrecieveFor the Target cell that is carried in the handover event measurement report PCCPCH RSCP, T for indicating
The numerical value of first counter of the Target cell, th1 are Dynamic gene, and the value range of th1 can be preset value area
Between.
If the numerical value of the first counter of the source cell is not more than zero, according to the second counter of the source cell
Numerical value decays to the PCCPCH RSCP of the source cell；The side to decay to the PCCPCH RSCP of the source cell
Formula can be such that
Decayed according to PCCPCH RSCP of the formula two to the source cell or Target cell；
Two: PCCPCH RSCP=PCCPCH RSCP of formularecieve-T1*th1；
Wherein, PCCPCH RSCP is PCCPCH RSCP, the PCCPCH RSCP of the source cell after decayingrecieveFor
The PCCPCH RSCP, T1 of the source cell carried in the handover event measurement report by indicating the source cell second based on
The numerical value of number device, th1 is Dynamic gene；Alternatively, PCCPCH RSCP is the PCCPCH RSCP of the Target cell after decaying,
PCCPCH RSCPrecieveThe PCCPCH RSCP, T1 of Target cell to carry in the handover event measurement report are used for table
Show that the numerical value of the second counter of the Target cell, th1 are Dynamic gene, the value range of th1 can be preset value
Section.
Cell switch determining method provided in an embodiment of the present invention is described in detail below.
Table 1 shows the cell switching flow of terminal experience provided in an embodiment of the present invention.As shown in table 1, wherein
T0~t8 respectively indicates 9 periods, and within above 9 periods, terminal has been switched to different Target cells respectively.
Table 1
Wherein, t0, t3, t7 are all larger than first threshold Tuse, and t1, t2, t4, t5, t6, t8 are respectively less than second threshold Tnsue；
This call of the terminal is after 4 cells, respectively cell 1, cell 2, cell 3 and cell 4.
In t0, and t0 > Tuse；At this point, terminal rests on cell 1, then it is assumed that the first counter of cell 1 and the second meter
Number device is initial value, i.e. the counter T=0 of cell 1, and the counter T1=0 of cell 1.
In t1, and t1 < Tnuse；At this point, terminal is switched to cell 2 from cell 1, it is believed that the second of cell 2 counts
Device is incremented by, i.e. the counter T=0 of cell 2, and the counter T1=1 of cell 2.
In t2, and t2 < Tnuse；At this point, terminal is switched to cell 3 from cell 2, it is believed that the second of cell 3 counts
Device is incremented by, i.e. the counter T=0 of cell 3, and the counter T1=1 of cell 3.
It should be noted that in t0~t2 in table 1, it is believed that be self study process provided in an embodiment of the present invention.
In t3, and t3 > Tuse；At this point, terminal is switched to cell 1 from cell 3, it is believed that the first of cell 1 counts
Device is incremented by, i.e. the counter T=1 of cell 1, and the counter T1=0 of cell 1.
In t4, and t4 < Tnuse；At this point, terminal is switched to cell 3 from cell 1, it is believed that the second of cell 3 counts
Device is incremented by, i.e. the counter T=0 of cell 3, and the counter T1=2 of cell 3.
In t5, and t5 < Tnuse；At this point, terminal is switched to cell 2 from cell 3, it is believed that the second of cell 2 counts
Device is incremented by, i.e. the counter T=0 of cell 2, and the counter T1=2 of cell 2.
In t6, and t6 < Tnuse；At this point, terminal is switched to cell 4 from cell 2, it is believed that the second of cell 4 counts
Device is incremented by, i.e. the counter T=0 of cell 4, and the counter T1=1 of cell 4.
In t7, and t7 > Tuse；At this point, terminal is switched to cell 1 from cell 4, it is believed that the first of cell 1 counts
Device is incremented by, i.e. the counter T=2 of cell 1, and the counter T1=0 of cell 1.
In t8, and t8 < Tnuse；At this point, terminal is switched to cell 2 from cell 1, it is believed that the second of cell 2 counts
Device is incremented by, i.e. the counter T=0 of cell 2, and the counter T1=3 of cell 1.
In above-mentioned t0~t8, if terminal has reported handover event measurement report in t3 finish time, and in the switching thing
Part measurement report carries the PCCPCH RSCP of source cell and Target cell, then according to the finish time source cell t3 (i.e. cell 1)
The first counter numerical value, the PCCPCH RSCP for the source cell that terminal reports is compensated, i.e. PCCPCH RSCP=
PCCPCH RSCPrecieve+th1；And the numerical value of the second counter according to t3 finish time Target cell (i.e. cell 3), to end
The PCCPCH RSCP of the Target cell reported is held to decay, i.e. PCCPCH RSCP=PCCPCH RSCPrecieve-th1。
In above-mentioned t0~t8, if terminal has reported handover event measurement report in t7 finish time, and in the switching thing
Part measurement report carries the PCCPCH RSCP of source cell and Target cell, then according to the finish time source cell t7 (i.e. cell 1)
The first counter numerical value, the PCCPCH RSCP for the source cell that terminal reports is compensated, i.e. PCCPCH RSCP=
PCCPCH RSCPrecieve+2*th1；And the numerical value of the second counter according to t7 finish time Target cell (i.e. cell 2), it is right
The PCCPCH RSCP for the Target cell that terminal reports decays, i.e. PCCPCH RSCP=PCCPCH RSCPrecieve-3*
th1。
It should be noted that being carried out as unit of hour for the counter T1 of each cell tired in the embodiment of the present invention
Add, can count to obtain the statistical value of counter T1 of each cell within certain period in this way, if the system of the T1 of the cell
Evaluation is bigger, then there are more serious needle point covering problems for the cell, further, can carry out traffic measurement by timing
The cell is targetedly optimized.
As it can be seen that the embodiment of the invention provides cell switch determining method altogether, it can be to unnecessary by this method
Switching carries out Automatic Optimal, there are in the region of needle point covering, pilot pollution, is automatically sought by self study process for terminal
It looks for main force coverage cell, reduces due to pingpang handoff caused by being influenced by other strong signals, this for making the terminal is logical
Words are maintained on main force coverage cell to greatest extent, avoid unnecessary cell from switching, to improve the call matter of user
Amount.Further, the embodiment of the present invention, which can also count to obtain needle point, covers more cell, carries out specific aim optimization to it.
Based on the same technical idea, the embodiment of the invention also provides a kind of cell switchings that can be applied to above-mentioned process
Judgment device.
Fig. 3 shows a kind of cell switch determining device provided in an embodiment of the present invention, which includes:
Receiving unit 31, the handover event measurement report reported for receiving terminal, in the handover event measurement report
Carry the Common Control Physical Channel received signal code power PCCPCH RSCP of source cell and Target cell；
Adjustment unit 32, for according to all previous Target cell being switched to of the terminal and in each target being switched to
The length of stay of cell is decayed or is compensated to the PCCPCH RSCP of the source cell and Target cell；
Decision unit 33, it is right for the PCCPCH RSCP according to decaying or the compensated source cell and Target cell
The terminal carries out cell switch determining.
Preferably, the device further include: the first counter, the second counter and statistic unit；Statistic unit, in institute
State terminal be switched to a Target cell and the length of stay for the Target cell being switched to be greater than first threshold when, by institute
The numerical value for stating the first counter of the Target cell being switched to is incremented by；A Target cell is switched in the terminal and is being switched
When the length of stay of the Target cell arrived is less than second threshold, by the second counter of the Target cell being switched to
Numerical value is incremented by；The second threshold is less than the first threshold；The adjustment unit 32 is also used to, and judges the of the source cell
Whether the numerical value of one counter is greater than zero, if so, according to the numerical value of the first counter of the source cell, to the source cell
PCCPCH RSCP compensate, otherwise, according to the numerical value of the second counter of the source cell, to the source cell
PCCPCH RSCP decays；Judge whether the numerical value of the first counter of the Target cell is greater than zero, if so, according to
The numerical value of first counter of the Target cell compensates the PCCPCH RSCP of the Target cell, otherwise, according to
The numerical value of second counter of the Target cell decays to the PCCPCH RSCP of the Target cell.
Preferably, the statistic unit is also used to, and after the terminal is switched to second community from first community, described
The numerical value of first counter of one cell is greater than zero, when the numerical value of the first counter of the second community is greater than zero, by institute
State the first counter O reset of first community；After the terminal is switched to second community from first community, when the second community
The first counter numerical value be greater than zero when, by the second counter O reset of the second community.
Preferably, the statistic unit is also used to, a pair of source cell or Target cell according to the following formula
PCCPCH RSCP is compensated；One: PCCPCH RSCP=PCCPCH RSCP of formularecieve+T*th1；Wherein, PCCPCH
RSCP is PCCPCH RSCP, the PCCPCH RSCP of the compensated source cellrecieveFor the handover event measurement report
The PCCPCH RSCP of the source cell of middle carrying, T are used to indicate the numerical value of the first counter of the source cell, th1 be adjustment because
Son is alternatively, PCCPCH RSCP is PCCPCH RSCP, the PCCPCH RSCP of the compensated Target cellrecieveIt is described
The PCCPCH RSCP, T of the Target cell carried in handover event measurement report are used to indicate that the first of the Target cell to count
The numerical value of device, th1 are Dynamic gene.
Preferably, the statistic unit is also used to, two pairs of source cells or Target cell according to the following formula
PCCPCH RSCP decays；Two: PCCPCH RSCP=PCCPCH RSCP of formularecieve-T1*th1；Wherein, PCCPCH
RSCP is PCCPCH RSCP, the PCCPCH RSCP of the source cell after decayingrecieveFor the handover event measurement report
The PCCPCH RSCP, T1 of the source cell of middle carrying are used to indicate that the numerical value of the second counter of the source cell, th1 to be adjustment
The factor；Alternatively, PCCPCH RSCP is PCCPCH RSCP, the PCCPCH RSCP of the Target cell after decayingrecieveFor institute
The PCCPCH RSCP, T1 of the Target cell carried in handover event measurement report are stated for indicating the second of the Target cell
The numerical value of counter, th1 are Dynamic gene.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
The processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed, so that
A stream in flow chart can be achieved by the instruction that the computer or the processor of other programmable data processing devices execute
The function of being specified in journey or multiple processes and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one process or multiple processes and/or block diagrams of flow chart
One box or multiple boxes in specify function the step of.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of cell switch determining method, which is characterized in that this method comprises:
The handover event measurement report that terminal reports is received, carries source cell and Target cell in the handover event measurement report
Common Control Physical Channel received signal code power PCCPCH RSCP；
According to the switch instances in current time foregoing description terminal in each minizone, to the source cell and Target cell
PCCPCH RSCP is decayed or is compensated；
According to decaying or the PCCPCH RSCP of the compensated source cell and Target cell, cell is carried out to the terminal and is cut
Change judgement；
It is that the first counter and the second counter is arranged in the terminal corresponding to each cell；
The terminal carry out cell switching after, if the terminal after handover cell length of stay be greater than the first threshold
The numerical value of first counter of cell after the switching, then be incremented by by value；If the residence time of terminal cell after handover
Length is less than second threshold, then is incremented by the numerical value of the second counter of cell after the switching, and the second threshold is less than institute
State first threshold；
Wherein, switch instances of the basis in current time foregoing description terminal in each minizone, to the source cell and mesh
The PCCPCH RSCP of mark cell is decayed or is compensated, comprising:
Judge whether the numerical value of the first counter of the source cell is greater than zero, if so, according to the first of the source cell the meter
The numerical value of number device, compensates the PCCPCH RSCP of the source cell, otherwise, according to the second counter of the source cell
Numerical value, decay to the PCCPCH RSCP of the source cell；
Judge whether the numerical value of the first counter of the Target cell is greater than zero, if so, according to the of the Target cell
The numerical value of one counter compensates the PCCPCH RSCP of the Target cell, otherwise, according to the of the Target cell
The numerical value of two counters decays to the PCCPCH RSCP of the Target cell.
2. the method as described in claim 1, which is characterized in that further comprise:
After the terminal is switched to second community from first community, the numerical value of the first counter of the first community is greater than zero,
When the numerical value of the first counter of the second community is greater than zero, by the first counter O reset of the first community；It is described
After terminal is switched to second community from first community, when the numerical value of the first counter of the second community is greater than zero, by institute
State the second counter O reset of second community.
3. the method as described in claim 1, which is characterized in that a pair of source cell or Target cell according to the following formula
PCCPCH RSCP is compensated；
One: PCCPCH RSCP=PCCPCH RSCP of formularecieve+T*th1；
Wherein, PCCPCH RSCP is PCCPCH RSCP, the PCCPCH RSCP of the compensated source cellrecieveIt is cut to be described
The PCCPCH RSCP, T for changing the source cell carried in event measurement report are used to indicate the number of the first counter of the source cell
Value, th1 is Dynamic gene；Alternatively, PCCPCH RSCP is the PCCPCH RSCP, PCCPCH of the compensated Target cell
RSCPrecieveFor the Target cell that is carried in the handover event measurement report PCCPCH RSCP, T for indicating the mesh
The numerical value of the first counter of cell is marked, th1 is Dynamic gene.
4. the method as described in claim 1, which is characterized in that two pairs of source cells or Target cell according to the following formula
PCCPCH RSCP decays；
Two: PCCPCH RSCP=PCCPCH RSCP of formularecieve-T1*th1；
Wherein, PCCPCH RSCP is PCCPCH RSCP, the PCCPCH RSCP of the source cell after decayingrecieveIt is cut to be described
The PCCPCH RSCP, T1 for changing the source cell carried in event measurement report are used to indicate the second counter of the source cell
Numerical value, th1 are Dynamic gene；Alternatively, PCCPCH RSCP is the PCCPCH RSCP, PCCPCH of the Target cell after decaying
RSCPrecieveFor the Target cell that is carried in the handover event measurement report PCCPCH RSCP, T1 for indicating the mesh
The numerical value of the second counter of cell is marked, th1 is Dynamic gene.
5. a kind of cell switch determining device characterized by comprising
Receiving unit, the handover event measurement report reported for receiving terminal carry source in the handover event measurement report
The Common Control Physical Channel received signal code power PCCPCH RSCP of cell and Target cell；
Adjustment unit, the switch instances for basis in current time foregoing description terminal in each minizone, to the source cell
Decayed or compensated with the PCCPCH RSCP of Target cell；
Decision unit, for the PCCPCH RSCP according to decaying or the compensated source cell and Target cell, to the end
End carries out cell switch determining；
First counter, the second counter and statistic unit, the statistic unit are used for after the terminal carries out cell switching,
When the terminal after handover cell length of stay be greater than first threshold when, by after the switching cell first count
The numerical value of device is incremented by；When the terminal after handover cell length of stay be less than second threshold when, after the switching
The numerical value of second counter of cell is incremented by, and the second threshold is less than the first threshold；
Wherein, the adjustment unit is also used to, and judges whether the numerical value of the first counter of the source cell is greater than zero, if so,
Then according to the numerical value of the first counter of the source cell, the PCCPCH RSCP of the source cell is compensated, otherwise, root
According to the numerical value of the second counter of the source cell, decay to the PCCPCH RSCP of the source cell；Judge the target
Whether the numerical value of the first counter of cell is greater than zero, if so, according to the numerical value of the first counter of the Target cell, it is right
The PCCPCH RSCP of the Target cell is compensated, otherwise, right according to the numerical value of the second counter of the Target cell
The PCCPCH RSCP of the Target cell decays.
6. device as claimed in claim 5, which is characterized in that the statistic unit is also used to,
After the terminal is switched to second community from first community, the numerical value of the first counter of the first community is greater than
Zero, when the numerical value of the first counter of the second community is greater than zero, by the first counter O reset of the first community；Institute
It states after terminal is switched to second community from first community, it, will when the numerical value of the first counter of the second community is greater than zero
Second counter O reset of the second community.
7. device as claimed in claim 5, which is characterized in that the statistic unit is also used to,
The PCCPCH RSCP of a pair of source cell or Target cell is compensated according to the following formula；
One: PCCPCH RSCP=PCCPCH RSCP of formularecieve+T*th1；
Wherein, PCCPCH RSCP is PCCPCH RSCP, the PCCPCH RSCP of the compensated source cellrecieveIt is cut to be described
The PCCPCH RSCP, T for changing the source cell carried in event measurement report are used to indicate the number of the first counter of the source cell
Value, th1 is Dynamic gene；Alternatively, PCCPCH RSCP is the PCCPCH RSCP, PCCPCH of the compensated Target cell
RSCPrecieveFor the Target cell that is carried in the handover event measurement report PCCPCH RSCP, T for indicating the mesh
The numerical value of the first counter of cell is marked, th1 is Dynamic gene.
8. device as claimed in claim 5, which is characterized in that the statistic unit is also used to,
The PCCPCH RSCP of two pairs of source cells or Target cell decays according to the following formula；
Two: PCCPCH RSCP=PCCPCH RSCP of formularecieve-T1*th1；
Wherein, PCCPCH RSCP is PCCPCH RSCP, the PCCPCH RSCP of the source cell after decayingrecieveIt is cut to be described
The PCCPCH RSCP, T1 for changing the source cell carried in event measurement report are used to indicate the second counter of the source cell
Numerical value, th1 are Dynamic gene；Alternatively, PCCPCH RSCP is the PCCPCH RSCP, PCCPCH of the Target cell after decaying
RSCPrecieveFor the Target cell that is carried in the handover event measurement report PCCPCH RSCP, T1 for indicating the mesh
The numerical value of the second counter of cell is marked, th1 is Dynamic gene.
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| WO2024065439A1 (en) * | 2022-09-29 | 2024-04-04 | Mediatek Singapore Pte. Ltd. | Methods and apparatus to support dual stack based inter-du inter-cell beam management with mobility |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101715223A (en) * | 2009-04-24 | 2010-05-26 | 北京新岸线无线技术有限公司 | Method and device used for handoff |
| CN101754301A (en) * | 2008-12-16 | 2010-06-23 | 华为技术有限公司 | Switching subdistrict selection method, device and base station |
| CN102077646A (en) * | 2008-06-30 | 2011-05-25 | 高通股份有限公司 | Method and apparatus for automatic handover optimization |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077646A (en) * | 2008-06-30 | 2011-05-25 | 高通股份有限公司 | Method and apparatus for automatic handover optimization |
| CN101754301A (en) * | 2008-12-16 | 2010-06-23 | 华为技术有限公司 | Switching subdistrict selection method, device and base station |
| CN101715223A (en) * | 2009-04-24 | 2010-05-26 | 北京新岸线无线技术有限公司 | Method and device used for handoff |
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