CN103797847B - The determination methods of unnecessary switching and base station - Google Patents
The determination methods of unnecessary switching and base station Download PDFInfo
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- CN103797847B CN103797847B CN201180073492.1A CN201180073492A CN103797847B CN 103797847 B CN103797847 B CN 103797847B CN 201180073492 A CN201180073492 A CN 201180073492A CN 103797847 B CN103797847 B CN 103797847B
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/00837—Determination of triggering parameters for hand-off
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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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Abstract
The embodiment of the present invention provides determination methods and the base station of a kind of unnecessary switching, and the determination methods include：If user equipment is less than default first threshold value in the activity time of Target cell, it is determined that the switching of user equipment to Target cell is unnecessary switching.By the embodiment of the present invention, unnecessary switching can be judged more fully hereinafter, further improve the degree of accuracy for judging unnecessary switching.
Description
Technical field
The present invention relates to a kind of communications field, the determination methods of more particularly to a kind of unnecessary switching and base station.
Background technology
In mobile communication system, user equipment from a cell be moved to another cell when, it is necessary to switch
(Handover), switching result in the signaling consumption of network side and the energy consumption of end side.At present, how 3GPP keeps away if being studied
Exempt from unnecessary switching (unnecessary hanover).
For example, Fig. 1 is the schematic diagram of a scenario that unnecessary switching occurs between two cells for user equipment, as shown in figure 1,
Cell A can be macrocell, and cell B can be Microcell (such as Pico cell), if user equipment is worn with speed quickly
Cell B is crossed, then is probably unnecessary in the switching of a points and b points.
Moreover, it is not necessary to which the scene to be switched is not only limited between two cells.For example, Fig. 2 is user equipment at three
The schematic diagram of a scenario of unnecessary switching occurs between cell, as shown in Fig. 2 cell A and C can be macrocell, cell B can be
Microcell, user equipment from cell A move quickly into cell C by cell B when, be probably unnecessary in the switching of a points and b points
's.
But, during the embodiment of the present invention is realized, inventor has found：Currently existing scheme is in cell according to user
In residence time (such as in Fig. 1, the time that user equipment is undergone from a to b) determine whether unnecessary switching, its
Communication behavior of the user in cell is not considered.
If the residence time of user in the cell is more than threshold value, but its time communicated in the cell is very
It is short, and switch the expense brought also than larger, the switching that such switching can also be deemed necessary.Therefore existing scheme
Judge that the condition of unnecessary switching is not comprehensive, it is impossible to further improve the degree of accuracy for judging unnecessary switching.
It should be noted that the introduction of technical background is intended merely to above it is convenient technical scheme is carried out it is clear,
Complete explanation, and facilitate the understanding of those skilled in the art and illustrate.Can not be merely because these schemes be the present invention's
Background section is set forth and thinks that above-mentioned technical proposal is known to those skilled in the art.
The content of the invention
The embodiment of the present invention provides determination methods and the base station of a kind of unnecessary switching, it is therefore intended that more fully hereinafter to not
Necessity switching is judged, further improves the degree of accuracy for judging unnecessary switching.
One side according to embodiments of the present invention is set there is provided a kind of determination methods of unnecessary switching applied to user
Standby to be switched to Target cell from cell-of-origin, then again after Target cell is switched out, the determination methods include：
If the user equipment is less than default first threshold value in the activity time of the Target cell, it is determined that described
User equipment is unnecessary switching from the cell-of-origin to the switching of the Target cell.
Another aspect according to embodiments of the present invention is there is provided a kind of determination methods of unnecessary switching, applied to user
Before switching of the equipment from cell-of-origin to Target cell, the determination methods include：
According to activity time of the user equipment in the cell-of-origin or in the scheduled time, to determine that the user sets
Whether the standby switching to the Target cell is unnecessary switching.
Another aspect according to embodiments of the present invention there is provided a kind of base station, applied to user equipment from cell-of-origin to by
In the communication system that the Target cell of the base station service is switched over, the base station includes：
Switch determining unit, if it is used for user equipment is less than default first in the activity time of the Target cell
Limit value, it is determined that the switching of the user equipment to the Target cell is unnecessary switching.
Another aspect according to embodiments of the present invention is there is provided a kind of base station, applied to user equipment from by the base station
In the communication system that the cell-of-origin of service is switched over to Target cell, the base station includes：
Switching judging unit, its activity time according to the user equipment in the cell-of-origin or in the scheduled time,
To determine whether the switching of the user equipment to the Target cell is unnecessary switching.
Another aspect according to embodiments of the present invention is there is provided a kind of computer-readable program, wherein when holding in a base station
During row described program, described program causes computer to perform the judgement side of unnecessary switching as described above in the base station
Method.
Another aspect according to embodiments of the present invention there is provided a kind of storage medium for the computer-readable program that is stored with,
Wherein described computer-readable program causes computer to perform the determination methods of unnecessary switching as described above in a base station.
The beneficial effect of the embodiment of the present invention is determine whether it is unnecessary switching by the activity time, can be more
Comprehensively unnecessary switching is judged, the degree of accuracy for judging unnecessary switching is further improved.
With reference to explanation hereinafter and accompanying drawing, only certain exemplary embodiments of this invention is disclose in detail, the original of the present invention is specified
Reason can be in adopted mode.It should be understood that embodiments of the present invention are not so limited in scope.In appended power
In the range of the spirit and terms that profit is required, embodiments of the present invention include many changes, modifications and equivalent.
The feature for describing and/or showing for a kind of embodiment can be in same or similar mode one or more
Used in individual other embodiment, it is combined with feature in other embodiment, or substitute the feature in other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more further features, one integral piece, step or component.
Brief description of the drawings
Many aspects of the present invention may be better understood with reference to following accompanying drawing.Part in accompanying drawing is not proportional paints
System, and it is intended merely to show the principle of the present invention.For the ease of showing and describing correspondence in some parts of the present invention, accompanying drawing
Part may be exaggerated or minimized.
The present invention an accompanying drawing or a kind of embodiment described in element and feature can with it is one or more
The element and feature shown in other accompanying drawings or embodiment is combined.In addition, in the accompanying drawings, similar label represents several attached
Corresponding part in figure, and may be used to indicate the corresponding component used in more than one embodiment.
Fig. 1 is the schematic diagram of a scenario that unnecessary switching occurs between two cells for user equipment；
Fig. 2 is the schematic diagram of a scenario that unnecessary switching occurs between three cells for user equipment；
Fig. 3 is a flow chart of the determination methods of the unnecessary switching of the embodiment of the present invention 1；
Fig. 4 is the another flow chart of the determination methods of the unnecessary switching of the embodiment of the present invention 1；
Fig. 5 is the another flow chart of the determination methods of the unnecessary switching of the embodiment of the present invention 1；
Fig. 6 is a composition schematic diagram of the base station of the embodiment of the present invention 1；
Fig. 7 is the another composition schematic diagram of the base station of the embodiment of the present invention 1；
Fig. 8 is a flow chart of the determination methods of the unnecessary switching of the embodiment of the present invention 2；
Fig. 9 is the another flow chart of the determination methods of the unnecessary switching of the embodiment of the present invention 2；
Figure 10 is a composition schematic diagram of the base station of the embodiment of the present invention 2；
Figure 11 is the another composition schematic diagram of the base station of the embodiment of the present invention 2；
Figure 12 is the process schematic for avoiding unnecessary switching of the embodiment of the present invention 3.
Embodiment
Referring to the drawings, by following specification, foregoing and further feature of the invention will be apparent.In specification
In accompanying drawing, only certain exemplary embodiments of this invention is specifically disclosed, which show the portion for the principle that can wherein use the present invention
Divide embodiment, it will thus be appreciated that the invention is not restricted to described embodiment, on the contrary, the present invention includes falling into appended power
Whole modifications, modification and equivalent in the range of profit requirement.
Below in an example, it is described in detail by taking scene as shown in the figures 1 and 2 as an example.Wherein, it is not necessary to switch
It is likely to occur between two cells, it is also possible to occur between more than two cells.Also, the cell of the present invention is probably
Macrocell (Macro cell), it is also possible to Microcell (Pico cell), it is also possible to Femto cell (Femto cell).
It will be appreciated, however, that the scene of the present invention is not limited to this, specific structure can be determined according to actual conditions.
Embodiment 1
The embodiment of the present invention provides a kind of determination methods of unnecessary switching, is switched to applied to user equipment from cell-of-origin
Target cell, then again after Target cell is switched out.Fig. 3 is the determination methods of the unnecessary switching of the embodiment of the present invention
A flow chart, as shown in figure 3, the determination methods include：
Step 301, if user equipment is less than default first threshold value in the activity time of Target cell, it is determined that user
Switching of the equipment from cell-of-origin to Target cell is unnecessary switching.
In the present embodiment, cell-of-origin can be the cell A in Fig. 1 or Fig. 2, during Target cell can be Fig. 1 or Fig. 2
Cell B.After switching of the user equipment from cell-of-origin to Target cell is completed, cell-of-origin (such as Fig. 1 scene) is may return to,
Other cells (being for example switched to the cell C in Fig. 2) can also be switched to.
In the present embodiment, the judgement of unnecessary switching can occur the base station side in Target cell.Target cell
Base station from cell-of-origin can be switched to Target cell in user equipment, then again from Target cell switch out after (for example, figure
User equipment is after cell B is switched out in 1 or 2, i.e., after the switching of b points occurs), being not is made whether to the switching
Necessity switching is judged.
In the present embodiment, the activity time can be：User equipment is carried out shared by data transmit-receive in Target cell
Total time.The activity time can specifically include：User equipment sends packet to the base station of Target cell, and receives the target
The time that the confirmation that the base station of cell is sent is undergone；May wherein there is the re-transmission of packet during this period.
Or, the activity time can specifically include：The base station of Target cell sends packet to user equipment, and feeds back
The time that confirmation is undergone to the base station of the Target cell；Wherein the confirmation is by the positive acknowledgement in the base station of the Target cell
Arrive, and there may be the re-transmission of packet during this period.
Or, the activity time can specifically include：User equipment receives the broadcast sent by the base station of the Target cell
The time that data are undergone.
It is worth noting that, user equipment carries out the total time shared by data transmit-receive in Target cell, can be with
One of upper three kinds of time, can also its combination.It can only include any of which time, and can be by wherein
Any two kinds of time composition, can also include above-mentioned three kinds of time.
For example, user equipment had both sent packet to base station in the Target cell, the packet that base station is sent also is received,
Then the activity time can be to send the time that packet be undergone, the time undergone plus received data packet.
In the present embodiment, the activity time can also be：User equipment is in the total of non-power save mode in Target cell
Time.
Specifically, user equipment refers to that it is not on defined in discontinuous reception (DRX) mechanism in power save mode
Wake state (such as active time).Prior art is may be referred on DRX mechanism, here is omitted.
In the present embodiment, the activity time can also be：User equipment is in the total of non-power save mode in Target cell
Time and plus user equipment be in power save mode when measure undergone total time.
In the specific implementation, the activity time can be calculated by the base station of Target cell oneself and be obtained, and can also be set by user
The base station of Target cell is notified after standby calculating.Only the activity time is schematically illustrated above, but not limited to this.This area
Those of ordinary skill can determine the implication of activity time as described above, and determine the activity time according to actual conditions
Embodiment.
Thus, different from determining whether it is unnecessary switching according to residence time in the prior art, the present invention is according to work
The dynamic time carries out the judgement of unnecessary switching, thus judges more accurate.Especially user equipment Target cell it is resident when
Between it is longer but seldom under the scene that is communicated, it can be determined that it is unnecessary switching to go out, so as to improve the accurate of judgement
Degree.
Further, residence time and activity time can also be combined consideration, thus further improves what is judged
The degree of accuracy.Specifically, the determination methods can also include：If user equipment is more than default the in the residence time of Target cell
Two threshold values, and user equipment is less than the first threshold value in the activity time of Target cell, it is determined that user equipment is small to target
The switching in area is unnecessary switching.
Fig. 4 is the another flow chart of the determination methods of the unnecessary switching of the embodiment of the present invention, as shown in figure 4, described sentence
Disconnected method includes：
Step 401, judge whether user equipment is more than default second threshold value in the residence time of Target cell；If big
In default second threshold value, then step 402 is performed；If less than or equal to the second threshold value, can perform step 403.
Step 402, judge whether user equipment is less than the first threshold value in the activity time of Target cell；If less than default
The first threshold value, then perform step 403；If more than or equal to the first threshold value, can perform step 404.
Step 403, it is determined that being unnecessary switching.
Step 404, it is determined that not being unnecessary switching.
Thus, it is possible in user equipment in the case where the residence time of Target cell is more than predetermined threshold value, further
Judge whether the activity time is less than predetermined threshold value.User equipment is longer but seldom led in the residence time of Target cell
Under the scene of letter, it can be determined that it is unnecessary switching to go out, so as to improve the degree of accuracy of judgement.
Preferably, the determination methods can also include：If user equipment is more than second in the residence time of Target cell
Limit value and less than default 3rd threshold value, and user equipment is less than the first threshold value in the activity time of Target cell, then
The switching for determining user equipment to Target cell is unnecessary switching.
Fig. 5 is the another flow chart of the determination methods of the unnecessary switching of the embodiment of the present invention, as shown in figure 5, described sentence
Disconnected method includes：
Step 501, judge whether user equipment is more than default second threshold value in the residence time of Target cell；If big
In default second threshold value, then step 502 is performed；If less than or equal to the second threshold value, can perform step 504.
Step 502, judge whether user equipment is less than default 3rd threshold value in the residence time of Target cell；If small
In default 3rd threshold value, then step 503 is performed；If more than or equal to the 3rd threshold value, can perform step 505.
Step 503, judge whether user equipment is less than the first threshold value in the activity time of Target cell；If less than default
The first threshold value, then perform step 504；If more than or equal to the first threshold value, can perform step 505.
Step 504, it is determined that being unnecessary switching.
Step 505, it is determined that not being unnecessary switching.
Thus, it is possible to be more than default second threshold value and less than the in the residence time of Target cell in user equipment
In the case of three threshold values, determine whether whether the activity time is less than default first threshold value.User equipment is small in target
The residence time in area is longer but seldom under the scene that is communicated, it can be determined that it is unnecessary switching to go out, and is sentenced so as to improve
The disconnected degree of accuracy.Also, if user equipment is when the residence time of Target cell is very long, though seldom communication, still judge be not
Unnecessary switching.
In the specific implementation, the first threshold value, the second threshold value and the 3rd threshold value can be predefined based on experience value.
It is possible to further be updated or correct according to substantial amounts of historical data so that above-mentioned threshold value is more accurate.
In the present embodiment, can be by handover information report after judging unnecessary switching in the base station of Target cell
Accuse the base station to cell-of-origin so that the base station of cell-of-origin can carry out the judgement of unnecessary switching according to handover information, at other
The switching is performed without unnecessary switching or with predetermined probability when user equipment does not switch, overhead is thus reduced.
Specifically, the determination methods can also include：Handover report is sent to the base station of cell-of-origin so that the base of cell-of-origin
Stand and the judgement of unnecessary switching is carried out according to the handover report；Wherein handover report activity in Target cell comprising user equipment
The information of time.
In one embodiment, handover report can specifically include：Activity time of the user equipment in Target cell；
Or activity time and residence time of the user equipment in Target cell；Or activity of the user equipment in Target cell
Activity time or residence time of the ratio and user equipment of time and residence time in Target cell.
In another embodiment, handover report can specifically include：It is non-when user equipment is switched to Target cell
It is continuous to receive configuration (DRX) information；Or user equipment from Target cell switch out when discontinuous reception configuration (DRX) letter
Breath；Or user equipment Target cell used make the user equipment be in non-power save mode under the time it is most long discontinuous
Receive configuration information；Or the average information of all discontinuous receptions configuration of the user equipment employed in Target cell.It is logical
Activity time of the user equipment in Target cell can be calculated by crossing above- mentioned information.
In further embodiment, handover report can specifically include：Mobile status (such as mobile speed of user equipment
Degree), the size of Target cell, the type of Target cell (is e.g. mended for the cell type of capacity boost or user's covering
The cell type repaid).
The information only included above to handover report has carried out schematical explanation, but not limited to this.In specific implementation
When, as long as containing the information on the activity time in handover report, it can cause the base station of cell-of-origin to enter by the information
The judgement of the unnecessary switching of row.
The embodiment of the present invention also provides a kind of base station, is switched over applied to user equipment from cell-of-origin to Target cell
In communication system, wherein the base station services for the Target cell.With the determination methods identical content of above-mentioned unnecessary switching, this
Place is repeated no more.
Fig. 6 is a composition schematic diagram of the base station of the embodiment of the present invention, as shown in fig. 6, the base station includes：Switching is determined
Unit 601.Wherein, if switching determining unit 601 is used for user equipment and is less than default the in the activity time of the Target cell
One threshold value, it is determined that the switching of the user equipment to the Target cell is unnecessary switching.
Further, switching determining unit 601 is additionally operable to：If user equipment is more than default in the residence time of Target cell
The second threshold value, and user equipment Target cell activity time be less than the first threshold value, it is determined that user equipment to mesh
The switching for marking cell is unnecessary switching.
Further, switching determining unit 601 is additionally operable to：If user equipment is more than second in the residence time of Target cell
Threshold value and less than default 3rd threshold value, and user equipment is less than the first threshold value in the activity time of Target cell,
The switching for then determining user equipment to Target cell is unnecessary switching.
Fig. 7 is the another composition schematic diagram of the base station of the embodiment of the present invention, as shown in fig. 7, the base station includes：Switching is true
Order member 701, as described above, here is omitted.
As shown in fig. 7, the base station can also include：Report transmitting element 702.This report transmitting element 702 is used for source
The base station of cell sends handover report so that the base station of cell-of-origin carries out the judgement of unnecessary switching according to handover report；Wherein
Handover report includes the information of user equipment activity time in Target cell.
From above-described embodiment, determine whether it is unnecessary switching by the activity time, can be more fully hereinafter to not
Necessity switching is judged, further improves the degree of accuracy for judging unnecessary switching.
Embodiment 2
The embodiment of the present invention provides a kind of determination methods of unnecessary switching, applied to user equipment from cell-of-origin to target
Before the switching of cell.Fig. 8 is a flow chart of the determination methods of the unnecessary switching of the embodiment of the present invention, as shown in figure 8, institute
Stating determination methods includes：
Step 801, the activity time according to user equipment in cell-of-origin or in the scheduled time, to determine that user equipment is arrived
Whether the switching of Target cell is unnecessary switching.
In the present embodiment, cell-of-origin can be the cell A in Fig. 1 or Fig. 2, during Target cell can be Fig. 1 or Fig. 2
Cell B.User equipment may return to cell-of-origin (such as Fig. 1 scene), can also be switched to it after by Target cell
His cell (being for example switched to the cell C in Fig. 2).
In the present embodiment, the judgement of unnecessary switching can occur the base station side in cell-of-origin.The base station of cell-of-origin
Can be right before switching of the user equipment from cell-of-origin to Target cell generation (for example, a points before) shown in Fig. 1 or Fig. 2
The switching is made whether it is that unnecessary switching is judged.
In the present embodiment, when performing step 801, user equipment may be constantly in cell-of-origin, then cell-of-origin
Base station can be judged according to activity time of the user equipment in the cell-of-origin.In addition, user equipment may not be
It is constantly in the cell-of-origin, it is also possible to, then can also be according to the activity time (i.e. one in the scheduled time by other cell serves
Determine the activity time in the investigation time) judged.Wherein, within this section of scheduled time user equipment not necessarily always in cell-of-origin
It is interior.
In the present embodiment, the activity time can be：User equipment enters line number in cell-of-origin or in the scheduled time
According to the total time shared by transmitting-receiving.Wherein, user equipment is small certain always in cell-of-origin within this section of scheduled time.
Specifically, the activity time can specifically include：User equipment sends packet to base station side, and receives base station side
The time that the confirmation of transmission is undergone；May wherein there is the re-transmission of packet.
Or, the activity time can specifically include：The lateral user equipment in base station sends packet, and feedback acknowledgment information
The time undergone to base station side；May wherein there is the re-transmission of packet.
Or, the activity time can specifically include：User equipment receives the broadcast data sent by base station side and undergone
Time.
Wherein, base station side can be the base station or the base station of other cells of the cell-of-origin.For example, in pre- timing
In, user equipment may not be to be constantly in the cell-of-origin, it is also possible to which, by other cell serves, now user equipment can
It can be communicated with the base station of other cells.
It is worth noting that, user equipment carries out total shared by data transmit-receive in cell-of-origin or in the scheduled time when
Between, can be one of three of the above time, can also its combination.For example, user equipment had both sent packet to base station
Side, also receive base station side send packet, then the activity time can for send packet be undergone time, plus reception number
According to bag the undergone time.
In the present embodiment, the activity time can also be：User equipment is located in cell-of-origin or in the given time
In the total time of non-power save mode.Wherein, within this section of scheduled time user equipment not necessarily always in cell-of-origin.
In the present embodiment, the activity time can also be：User equipment is located in cell-of-origin or in the given time
In non-power save mode total time and plus user equipment be in power save mode when measure undergone total time.Wherein,
User equipment is not necessarily always in cell-of-origin within this section of scheduled time.
In the specific implementation, the activity time can be calculated by the base station of cell-of-origin oneself and be obtained, can also be by user equipment
The base station of cell-of-origin is notified after calculating.Specific embodiment can be determined according to actual conditions.
Fig. 9 is the another flow chart of the determination methods of the unnecessary switching of the embodiment of the present invention, as shown in figure 9, described sentence
Disconnected method includes：
Step 901, the activity time according to user equipment in cell-of-origin or in the scheduled time, to determine user equipment
Whether the switching to Target cell is unnecessary switching.
In the present embodiment, as shown in figure 9, after step 901, the determination methods can also include：
Step 902, if the switching of user equipment to Target cell is unnecessary switching, the switching is cancelled or with pre-
Fixed probability performs the switching.
Thus, it is possible to avoid the unnecessary expense of base station side.Or with predetermined probability, for example, performed with 30% probability
The switching.Thus, it is possible to reduce the signaling consumption of network side and the energy consumption of end side.
In the present embodiment, as shown in figure 9, before step 901, the determination methods can also include：
Step 900, the handover report that the base station of Target cell is sent is received, wherein handover report includes the letter of activity time
Breath.
In the present embodiment, the handover report that the base station of Target cell is sent can be carried out not according to the base station of the Target cell
Generated after the judgement of necessity switching.How base station on Target cell carries out the judgement of unnecessary switching, can be as implemented
Described in example 1.
In the present embodiment, the base station of Target cell can send the switching of multiple unnecessary switchings to the base station of cell-of-origin
Report.After the enough information that the base station for receiving Target cell is sent, the base station of Target cell can be according to these
Information, generates or updates the threshold value for unnecessary switching judging so that in step 901 for unnecessary switching judgement more
Plus it is accurate.
In one embodiment, step 901 can specifically be judged using following criterion 1：If user equipment is in source
The activity time of cell or activity time in the given time are less than default 4th threshold value, it is determined that user equipment
Switching to Target cell is unnecessary switching；
In further embodiment, step 901 can specifically be judged using following criterion 2：If user equipment exists
The activity time of cell-of-origin and the ratio of residence time or activity time in the given time and the ratio of residence time are small
In default 5th threshold value, it is determined that the switching of user equipment to Target cell is unnecessary switching.
In further embodiment, step 901 can specifically be judged using following criterion 3：If user equipment exists
When the activationary time in the discontinuous reception configuration of cell-of-origin or the activation in discontinuous reception configuration in the given time
Between be less than default 6th threshold value, it is determined that the switching of user equipment to Target cell is unnecessary switching.
For example, the cycle of discontinuous reception configuration is more than all timers in some threshold value and discontinuous reception configuration
Value be less than corresponding threshold value, then the switching that can determine that user equipment to Target cell is unnecessary switching.
In further embodiment, step 901 can also carry out unnecessary switching according to the other information of handover report
Judgement.For example, the speed of user equipment, which is more than some threshold value, the size of Target cell, is less than some threshold value or mesh
Mark type (e.g. covering compensates cell, then switching is necessary) of cell etc..
In the specific implementation, each above-mentioned embodiment can be used alone, and can also be used in combination with.For example,
User equipment is when cell-of-origin or the average speed in the scheduled time are more than seven threshold values, and being to the switching of the user need not
Want；Or when cell-of-origin or the average speed in the scheduled time are more than the 8th threshold value and are less than seven threshold values, can
With with any one in above-mentioned criterion 1 to 3 or its with reference to being judged.
Or, if the size of Target cell be less than nine threshold values, can with any one in above-mentioned criterion 1 to 3,
Or it is with reference to being judged.
Or, if Target cell is covering compensation cell, it is necessary for can be determined that switching；If Target cell is capacity
Lift cell, can with any one in above-mentioned criterion 1 to 3 or its with reference to being judged.
It is worth noting that, only the Rule of judgment based on each above-mentioned embodiment is schematically illustrated above,
But not merely it is only limitted to above-mentioned embodiment.Various conversion or group can be carried out to above-mentioned Rule of judgment according to actual conditions
Close so that the base station of cell-of-origin can be made whether that the user serviced is switched to Target cell.
Wherein, any one of the 4th threshold value into the 9th threshold value can be according to cutting that the base station of Target cell is sent
Report is changed to determine.For example, the base station of Target cell have sent the handover report of 100 parts of unnecessary switchings to the base station of cell-of-origin,
Every part of handover report is comprising a user equipment in the activity time of Target cell, then the base station of Target cell can be according to this
100 activity times determine the 4th threshold value.Further, it is also possible to by more activity times to the 4th threshold value
Practise training so that the 4th threshold value is more accurate.As for specifically how to realize, existing technology can be used, here is omitted.
The information only included above to handover report has carried out schematical explanation, but not limited to this.In specific implementation
When, as long as containing the information on the activity time in handover report, it can cause the base station of cell-of-origin to enter by the information
The judgement of the unnecessary switching of row.
The embodiment of the present invention also provides a kind of base station, is switched over applied to user equipment from by cell-of-origin to Target cell
Communication system in, wherein the base station be the cell-of-origin service.With the determination methods identical content of above-mentioned unnecessary switching, this
Place is repeated no more.
Figure 10 is a composition schematic diagram of the base station of the embodiment of the present invention, and as shown in Figure 10, the base station includes：Switching is sentenced
Disconnected unit 1001.When the switching judging unit 1001 is according to user equipment activity in cell-of-origin or in the given time
Between, to determine whether the switching of user equipment to Target cell is unnecessary switching.Wherein, user sets within this section of scheduled time
It is standby not necessarily always in cell-of-origin.
Figure 11 is the another composition schematic diagram of the base station of the embodiment of the present invention, and as shown in figure 11, the base station includes：Switching
Judging unit 1101, as described above, here is omitted.
As shown in figure 11, the base station can also include：Switch execution unit 1102.Switching execution unit 1102 is used for：If
The switching of user equipment to Target cell is unnecessary switching, then cancels the switching or perform the switching with predetermined probability.
As shown in figure 11, the base station can also include：Report receiving unit 1103.Report receiving unit 1103 is used for：Connect
The handover report that the base station of Target cell is sent is received, wherein handover report includes the information of activity time.
In one embodiment, switching judging unit 1101 specifically can be used for：If user equipment is in the work of cell-of-origin
Dynamic time or activity time in the given time are less than default 4th threshold value, it is determined that user equipment is small to target
The switching in area is unnecessary switching；Wherein, the handover report that the 4th threshold value is sent according to the base station of Target cell is determined.
In further embodiment, switching judging unit 1101 specifically for：If user equipment is in the activity of cell-of-origin
The ratio of time and residence time or activity time in the given time and the ratio of residence time are less than the default 5th
Threshold value, it is determined that the switching of user equipment to Target cell is unnecessary switching；Wherein, the 5th threshold value is according to Target cell
Base station send handover report determine.
In further embodiment, switching judging unit 1101 specifically for：If user equipment is in the non-company of cell-of-origin
Continued access receives the activationary time in configuration or the activationary time in discontinuous reception configuration in the given time less than default
6th threshold value, it is determined that the switching of user equipment to Target cell is unnecessary switching；Wherein, the 6th threshold value is according to target
The handover report that the base station of cell is sent is determined.
In further embodiment, switching judging unit 1101 can also specifically enter according to the other information of handover report
The judgement of the unnecessary switching of row.For example, the speed of user equipment, which is more than some threshold value, the size of Target cell, is less than some door
Type (e.g. covering compensates cell, then switching is necessary) of limit value or Target cell etc..Can be such as the phase of above-mentioned method
Should be partly described, here is omitted.
From above-described embodiment, determine whether it is unnecessary switching by the activity time, can be more fully hereinafter to not
Necessity switching is judged, further improves the degree of accuracy for judging unnecessary switching.And it is possible to judge unnecessary switching
Afterwards, cancel the switching or the switching is performed with predetermined probability, it is possible to reduce the signaling consumption of network side and the energy of end side
Consumption.
Embodiment 3
On the basis of embodiment 1 and embodiment 2, cell-of-origin and Target cell can be combined, below by way of attached
Figure is described in detail.
Figure 12 is the process schematic for avoiding unnecessary switching of the embodiment of the present invention.As shown in figure 12, in step 1,
The base station of Target cell (cell B) can for multiple user equipmenies (for example user equipment 1, user equipment 2 ..., user
Equipment N) carry out the judgement of unnecessary switching.
Wherein, the judgement of unnecessary switching can be as described in Example 1 every time.Also, unnecessary switching is being carried out every time
Judgement after, cell B base station can by handover report (such as, it is not necessary to switching, in activity time of Target cell etc.)
It is sent to the base station of cell-of-origin (cell A).
As shown in figure 12, in step 2, cell A base station can be established according to the multiple handover reports received and predict
The criterion of unnecessary switching, for example, generate or update for threshold value that judge unnecessary switching, related to the activity time.
As shown in figure 12, in step 3, if a user equipment (such as user equipment S) is needed from cell-of-origin A movements
To Target cell B, then cell A base station can according to the criterion set up in step 2, judge the user equipment from cell-of-origin A to
Whether Target cell B switching is necessary.If the switching is unnecessary switching, cancels the switching or held with predetermined probability
The row switching.
The embodiment of the present invention also provides a kind of computer-readable program, wherein when performing described program in a base station, institute
Program is stated so that computer performs the determination methods of unnecessary switching as described above in the base station.
The embodiment of the present invention also provides a kind of storage medium for the computer-readable program that is stored with, wherein the computer can
Reader causes computer to perform the determination methods of unnecessary switching as described above in a base station.
Apparatus and method more than of the invention can be realized by hardware, can also be realized by combination of hardware software.The present invention
It is related to such computer-readable program, when the program is performed by logical block, the logical block can be made to realize above
Described device or component parts, or the logical block is realized various methods or step described above.The invention further relates to
Storage medium for storing procedure above, such as hard disk, disk, CD, DVD, flash memory.
For one or more combinations of one or more of function box described in accompanying drawing and/or function box,
It can be implemented as the general processor, digital signal processor (DSP), special integrated electricity for performing function described herein
Road (ASIC), field programmable gate array (FPGA) or other PLDs, discrete gate or transistor logic device
Part, discrete hardware components or it is any appropriately combined.One or more of function box described for accompanying drawing and/or work(
Can square frame one or more combinations, the combination of computing device is also implemented as, for example, the combining of DSP and microprocessor, many
Individual microprocessor, communicate with DSP the one or more microprocessors combined or any other this configuration.
Above in association with specific embodiment, invention has been described, it will be appreciated by those skilled in the art that this
A little descriptions are all exemplary, are not limiting the scope of the invention.Those skilled in the art can be according to the present invention
Spirit and principle various variants and modifications are made to the present invention, these variants and modifications are also within the scope of the invention.
Claims (24)
1. a kind of determination methods of unnecessary switching, are switched to Target cell, then from mesh applied to user equipment from cell-of-origin
After mark cell is switched out, the determination methods include：
If the user equipment is less than default first threshold value in the activity time of the Target cell, it is determined that the user
The switching of equipment to the Target cell is unnecessary switching,
Wherein, the activity time is：When the user equipment carries out total shared by data transmit-receive in the Target cell
Between, either the user equipment the Target cell be in non-power save mode total time or the user equipment in institute
State total time of the Target cell in non-power save mode and measured when being in power save mode plus the user equipment and passed through
The total time gone through, or the time that the user equipment is monitored Physical Downlink Control Channel.
2. determination methods according to claim 1, wherein, the determination methods also include：
If the user equipment is more than default second threshold value, and the user equipment in the residence time of the Target cell
It is less than first threshold value in the activity time of the Target cell, it is determined that the user equipment to the Target cell
Switching is unnecessary switching.
3. determination methods according to claim 2, wherein, the determination methods also include：
If the user equipment is more than second threshold value and less than the default 3rd in the residence time of the Target cell
Threshold value, and the user equipment are less than first threshold value in the activity time of the Target cell, it is determined that described
The switching of user equipment to the Target cell is unnecessary switching.
4. the determination methods according to any one of claims 1 to 3, wherein, the activity time specifically includes：The user
Base station from equipment to the Target cell send packet, and receive the Target cell base station send confirmation passed through
The time gone through；Or, the base station of the Target cell sends packet to the user equipment, and feedback acknowledgment information is to described
The time that the base station of Target cell is undergone；Or, the user equipment is received by the wide of the base station transmission of the Target cell
The time that multicast data is undergone.
5. the determination methods according to any one of claims 1 to 3, wherein, the determination methods also include：
Handover report is sent to the base station of the cell-of-origin so that the base station of the cell-of-origin is carried out not according to the handover report
The judgement of necessity switching；Wherein described handover report includes the letter of user equipment activity time in the Target cell
Breath.
6. determination methods according to claim 5, wherein, the handover report is specifically included：The user equipment is in institute
State the activity time in Target cell；Or, activity time of the user equipment in the Target cell and it is resident when
Between；Or, the ratio of activity time and residence time of the user equipment in the Target cell and the user set
The standby activity time or residence time in the Target cell.
7. determination methods according to claim 5, wherein, the handover report is specifically included：The user equipment switching
To the discontinuous reception configuration information during Target cell；Or, the user equipment from Target cell switch out when
Discontinuous reception configuration information；Or, the user equipment makes the user equipment be in what the Target cell was used
Most long discontinuous reception configuration information of non-power save mode lower time；Or, user equipment institute in the Target cell
The average information of all discontinuous receptions configuration used.
8. a kind of determination methods of unnecessary switching, before switching of the user equipment from cell-of-origin to Target cell, institute
Stating determination methods includes：
According to the activity time of the user equipment in the cell-of-origin or in the given time, to determine that the user sets
Whether the standby switching to the Target cell is unnecessary switching,
Wherein, the activity time is：The user equipment carries out data receipts in the cell-of-origin or in the given time
Hair shared total time, either the user equipment is in total time or described of the cell-of-origin in non-power save mode
User equipment is in the total time of non-power save mode in the cell-of-origin or in the given time and set plus the user
Undergone total time is measured during power save mode for being in, or the user equipment is carried out to Physical Downlink Control Channel
The time of monitoring.
9. determination methods according to claim 8, wherein, the determination methods also include：
If the switching of the user equipment to the Target cell is unnecessary switching, cancel the switching or with predetermined
Probability perform the switching.
10. determination methods according to claim 8, wherein, it is determined that the user equipment cutting to the Target cell
Change whether be unnecessary switching before, the determination methods also include：
The handover report that the base station of the Target cell is sent is received, wherein the handover report includes the information of activity time.
11. determination methods according to claim 10, wherein, according to the user equipment in the cell-of-origin or
Activity time in the scheduled time, to determine whether the switching of the user equipment to the Target cell is unnecessary switching tool
Body includes：
If activity time of the user equipment in the cell-of-origin or activity time in the given time are less than default
The 4th threshold value, it is determined that the switching of the user equipment to the Target cell is unnecessary switching；Wherein, the described 4th
The handover report that threshold value is sent according to the base station of the Target cell is determined.
12. determination methods according to claim 10, wherein, according to the user equipment in the cell-of-origin or
Activity time in the scheduled time, to determine whether the switching of the user equipment to the Target cell is unnecessary switching tool
Body includes：
If the ratio of activity time and residence time of the user equipment in the cell-of-origin or in the given time
The ratio of activity time and residence time is less than default 5th threshold value, it is determined that the user equipment to the Target cell
Switching be unnecessary switching；Wherein, the handover report that the 5th threshold value is sent according to the base station of the Target cell is true
It is fixed.
13. determination methods according to claim 10, wherein, according to the user equipment in the cell-of-origin or
Activity time in the scheduled time, to determine whether the switching of the user equipment to the Target cell is unnecessary switching tool
Body includes：
If the activationary time or in the given time in discontinuous reception configuration of the user equipment in the cell-of-origin
Discontinuous reception configuration in activationary time be less than default 6th threshold value, it is determined that the user equipment to the target
The switching of cell is unnecessary switching；Wherein, the switching report that the 6th threshold value is sent according to the base station of the Target cell
Accuse and determine.
14. the determination methods according to any one of claim 8 to 13, wherein, the activity time specifically includes：It is described to use
Family equipment sends packet to base station side, and receives the time that the confirmation of base station side transmission is undergone；Or, base station is lateral
The user equipment sends packet, and the time that feedback acknowledgment information to base station side is undergone；Or, the user equipment connects
Receive the time that the broadcast data sent by base station side is undergone.
15. a kind of base station, applied to leading to that user equipment is switched over from cell-of-origin to the Target cell serviced by the base station
In letter system, the base station includes：
Switch determining unit, if it is used for user equipment is less than default first thresholding in the activity time of the Target cell
Value, it is determined that the switching of the user equipment to the Target cell is unnecessary switching,
Wherein, the activity time is：When the user equipment carries out total shared by data transmit-receive in the Target cell
Between, either the user equipment the Target cell be in non-power save mode total time or the user equipment in institute
State total time of the Target cell in non-power save mode and measured when being in power save mode plus the user equipment and passed through
The total time gone through, or the time that the user equipment is monitored Physical Downlink Control Channel.
16. base station according to claim 15, wherein, the switching determining unit is additionally operable to：If the user equipment exists
The residence time of the Target cell is more than default second threshold value, and the user equipment is in the activity of the Target cell
Time is less than first threshold value, it is determined that the switching of the user equipment to the Target cell is unnecessary switching.
17. base station according to claim 16, wherein, the switching determining unit is additionally operable to：If the user equipment exists
The residence time of the Target cell is more than second threshold value and less than default 3rd threshold value, and the user
Equipment is less than first threshold value in the activity time of the Target cell, it is determined that the user equipment is small to the target
The switching in area is unnecessary switching.
18. the base station according to any one of claim 15 to 17, wherein, the base station also includes：
Transmitting element is reported, its base station for being used for the cell-of-origin sends handover report so that the base station root of the cell-of-origin
The judgement of unnecessary switching is carried out according to the handover report；Wherein described handover report is comprising the user equipment in the target
The information of activity time in cell.
19. a kind of base station, applied to leading to that user equipment is switched over from the cell-of-origin serviced by the base station to Target cell
In letter system, the base station includes：
Switching judging unit, its activity time according to the user equipment in the cell-of-origin or in the given time,
To determine whether the switching of the user equipment to the Target cell is unnecessary switching,
Wherein, the activity time is：The user equipment carries out data receipts in the cell-of-origin or in the given time
Hair shared total time, either the user equipment is in total time or described of the cell-of-origin in non-power save mode
User equipment is in the total time of non-power save mode in the cell-of-origin or in the given time and set plus the user
Undergone total time is measured during power save mode for being in, or the user equipment is carried out to Physical Downlink Control Channel
The time of monitoring.
20. base station according to claim 19, wherein, the base station also includes：
Switch execution unit, if its switching for being used for the user equipment to the Target cell is unnecessary switching, cancel
It is described to switch or the switching is performed with predetermined probability.
21. base station according to claim 19, wherein, the base station also includes：
Receiving unit is reported, the handover report that its base station for receiving the Target cell is sent, wherein the handover report is included
The information of activity time.
22. base station according to claim 21, wherein, the switching judging unit specifically for：If the user equipment
Activity time in the cell-of-origin or activity time in the given time are less than default 4th threshold value, then really
The switching of the fixed user equipment to the Target cell is unnecessary switching；Wherein, the 4th threshold value is according to the mesh
Mark the handover report determination that the base station of cell is sent.
23. base station according to claim 21, wherein, the switching judging unit specifically for：If the user equipment
The ratio or activity time in the given time and residence time of activity time and residence time in the cell-of-origin
Ratio be less than default 5th threshold value, it is determined that the switching of the user equipment to the Target cell is unnecessary cuts
Change；Wherein, the handover report that the 5th threshold value is sent according to the base station of the Target cell is determined.
24. base station according to claim 21, wherein, the switching judging unit specifically for：If the user equipment
In the activationary time in discontinuous reception configuration or discontinuous reception configuration in the given time in the cell-of-origin
Activationary time be less than default 6th threshold value, it is determined that the switching of the user equipment to the Target cell is unnecessary
Switching；Wherein, the handover report that the 6th threshold value is sent according to the base station of the Target cell is determined.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/082157 WO2013071476A1 (en) | 2011-11-14 | 2011-11-14 | Method for determining unnecessary handover, and base station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103797847A CN103797847A (en) | 2014-05-14 |
| CN103797847B true CN103797847B (en) | 2017-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180073492.1A Expired - Fee Related CN103797847B (en) | 2011-11-14 | 2011-11-14 | The determination methods of unnecessary switching and base station |
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| Country | Link |
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| CN (1) | CN103797847B (en) |
| WO (1) | WO2013071476A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105992255A (en) * | 2015-03-02 | 2016-10-05 | 中兴通讯股份有限公司 | Switching failure detection, detection processing method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2005619A2 (en) * | 2006-03-24 | 2008-12-24 | Interdigital Technology Corporation | Method and apparatus for maintaining uplink synchronization and reducing battery power consumption |
| US7684799B2 (en) * | 2006-03-28 | 2010-03-23 | Motorola, Inc. | Method for data transfer with a mobile station while in discontinuous reception state |
| CN101047952B (en) * | 2006-03-28 | 2010-07-21 | 大唐移动通信设备有限公司 | Method for controlling user plane data conversion transmitting in mobile communication |
| WO2010124461A1 (en) * | 2009-04-29 | 2010-11-04 | 华为技术有限公司 | Discovery method and apparatus of fast handover |
| US9113385B2 (en) * | 2009-11-25 | 2015-08-18 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangements for reducing the number of failed handover procedures |
| CN102131215A (en) * | 2010-01-13 | 2011-07-20 | 中兴通讯股份有限公司 | Method and system for optimizing handoff parameters |
| JP5185969B2 (en) * | 2010-04-02 | 2013-04-17 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile device and method in mobile communication system |
| CN102026232B (en) * | 2010-09-29 | 2013-06-19 | 新邮通信设备有限公司 | Cooperative measurement and switching setting optimization method among multiple cells in mobile communication network |
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2011
- 2011-11-14 CN CN201180073492.1A patent/CN103797847B/en not_active Expired - Fee Related
- 2011-11-14 WO PCT/CN2011/082157 patent/WO2013071476A1/en active Application Filing
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| WO2013071476A1 (en) | 2013-05-23 |
| CN103797847A (en) | 2014-05-14 |
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