CN105744573B - Cell switching method and system - Google Patents
Cell switching method and system Download PDFInfo
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- CN105744573B CN105744573B CN201410743123.4A CN201410743123A CN105744573B CN 105744573 B CN105744573 B CN 105744573B CN 201410743123 A CN201410743123 A CN 201410743123A CN 105744573 B CN105744573 B CN 105744573B
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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
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
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Abstract
The present invention discloses a kind of cell switching method, method includes the following steps: wireless operation maintenance center according to the communication condition of cell configure with the level of serving cell there are mapping relations, switch when the adjacent area that can tolerate of the serving cell level bias number lower than serving cell, and the level bias number is synchronized to base station controller；Base station controller obtains the level value of serving cell and adjacent area downlink, selects corresponding level bias number according to the level value of serving cell downlink；Judge adjacent area downlink level value and level bias number and whether be more than or equal to the level value of serving cell downlink and power compensation and, switched over if so, screening and meeting the adjacent area of the condition.The present invention also provides a kind of systems to realize the above method.Present invention serving cell switching when there are high level matter difference situation can be switched to the relatively weak adjacent cell of level, can reduce cutting off rate index, improve user perceptibility, promote operator's competitiveness.
Description
Technical field
The present invention relates to mobile communication field, especially a kind of cell switching method in high level matter difference situation and it is
System.
Background technique
Handoff technique is to guarantee that user obtains one of high network quality service in moving process in mobile communication system
Key technology.
In communication process, when user is in high-interference environment or by timeslot-level bursty interference in serving cell
When, user receives level normally in the uplink and downlink of serving cell but the quality of reception is poor.In existing handoff algorithms, with adjacent area
It is switching condition that level, which is more than or equal to serving cell level, when the condition that serving cell meets quality switching carries out adjacent area screening
When, if neighboring area signal do not have serving cell it is strong when, can exist can not cut out the poor cell of lasting speech quality in time or fall
The problem of words, such as:
Assuming that adjacent area quality handoff threshold is positive, i.e., switch decision when adjacent area must satisfy the item stronger than serving cell level
Part can not switch in time if adjacent area is weaker than serving cell level；
It is adjacent when (this set is not common in existing network), i.e. switch decision assuming that adjacent area quality handoff threshold is negative
It area can be weaker than serving cell level.But do not sentence the level of serving cell to existing quality handover trigger when judging
It is disconnected, it is assumed that the level of serving cell is -100dBm, reconvicts and switches toward the weaker cell of level, then very possible handover failure
Or a worse cell is switched to, that is to say, that the scene of the flat matter difference of light current is not appropriate for according to this set.
Although opening switching within cell to be possible to make moderate progress to timeslot-level bursty interference, current frequency hopping
It is commonly used to cause to close switching within cell, therefore can not be brought by intra-cell and solve poor (the i.e. level of high level matter
Higher but speech quality is poor) switching the problem of.
In conclusion, if Radio Link is in the state of high level matter difference, neighboring area signal does not service in communication process
When cell is strong, existing handoff algorithms not can guarantee user and be switched to preferable cell in time, and it is small that user can be constantly in service
Under the poor wireless environment in area, until call drop.
Summary of the invention
The main purpose of the present invention is to provide a kind of cell switching method and systems, it is intended to solve to be in when Radio Link
When the state of high level matter difference, existing handoff algorithms not can guarantee the technical issues of user is switched to preferable cell in time.
In order to achieve the above-mentioned object of the invention, the present invention provides a kind of cell switching method, comprising the following steps:
Wireless operation maintenance center according to the configuration of the communication condition of cell and the level of serving cell there are mapping relations,
The adjacent area that serving cell can be tolerated when the switching level bias number lower than serving cell, and the level bias number is same
Walk base station controller；
Base station controller obtains the level value of serving cell and adjacent area downlink, is selected according to the level value of serving cell downlink
Select corresponding level bias number；
Judge adjacent area downlink level value and level bias number and whether more than or equal to serving cell downlink level value
With power compensation and, switched over if so, screening meets the adjacent area of the condition.
Preferably, the wireless operation maintenance center exists according to the configuration of the communication condition of cell and the level of serving cell
Mapping relations, level bias number that serving cell can be tolerated when switching adjacent area is lower than serving cell, and will be described
Include: in the step of level bias number is synchronized to base station controller
Wireless operation maintenance center configures high level matter difference switching switch and adjacent area level bias number, and by the high level
Matter difference switching switch and adjacent area level bias number are synchronized to base station controller；
The base station controller obtains the level value of serving cell and adjacent area downlink, according to the level of serving cell downlink
Include: after the step of the corresponding level bias number of value selection
Judge whether high level matter difference switching switch is opened, if so, executing the level value and level for judging adjacent area downlink
Bias number and whether more than or equal to serving cell downlink level value and power compensation and the step of.
Preferably, include: before execution judges the step of whether high level matter difference switching switch is opened
It is more than or equal to serving cell level using adjacent area level and executes switching flow as switching condition；
Judge whether the adjacent area number that can be switched over is 0, judges whether high level matter difference switching switch is opened if so, executing
The step of opening.
Preferably, the wireless operation maintenance center exists according to the configuration of the communication condition of cell and the level of serving cell
Mapping relations, level bias number that serving cell can be tolerated when switching adjacent area is lower than serving cell, and will be described
Include: in the step of level bias number is synchronized to base station controller
Wireless operation maintenance center configuration high level matter difference switching switch, adjacent area level bias number and serving cell need to meet
Level threshold, and by high level matter difference switching switch, the level door that need to meet of adjacent area level bias number and serving cell
Limit is synchronized to base station controller；
Judge include: after the step of whether high level matter difference switching switch is opened executing
Judge whether the level value of serving cell downlink is greater than the level threshold that serving cell need to meet, if so, executing
Judge adjacent area downlink level value and level bias number and whether be more than or equal to serving cell downlink level value and power benefit
It is repaying and the step of.
Preferably, the above method is further comprising the steps of:
The adjacent area for the condition that meets is ranked up.
The present invention also provides a kind of cell handover systems, including wireless operation maintenance center and base station controller, in which:
Wireless operation maintenance center includes configuration module, for the electricity according to the communication condition of cell configuration and serving cell
It is flat there are mapping relations, switch when the adjacent area that can tolerate of the serving cell level bias number lower than serving cell, and
The level bias number is synchronized to base station controller；
The base station controller includes:
Level obtains module, for obtaining the level value of serving cell and adjacent area downlink, according to serving cell downlink
Level value selects corresponding level bias number；
Judgment module, for judge adjacent area downlink level value and level bias number and whether more than or equal to serving cell
The level value of downlink and power compensation and；
Screening module, the adjacent area for screening the condition that meets switch over.
Preferably, the configuration module switches switch, adjacent area level bias number for configuring high level matter difference, and will be described
High level matter difference switching switch and adjacent area level bias number are synchronized to base station controller；
The judgment module is also used to judge whether high level matter difference switching switch is opened, if so, continuing to judge adjacent area
The level value of downlink and level bias number and whether more than or equal to serving cell downlink level value and power compensation and.
Preferably, the base station controller further include:
Switching module executes switching flow as switching condition for being more than or equal to serving cell level using adjacent area level；
Whether the adjacent area number that the judgment module is also used to switch over is 0, judges that high level matter is poor if so, executing
The step of whether switching switch is opened.
Preferably, the configuration module is small for configuring high level matter difference switching switch, adjacent area level bias number and service
The level threshold that area need to meet, and high level matter difference switching switch, adjacent area level bias number and serving cell are needed to meet
Level threshold be synchronized to base station controller；The judgment module is also used to switch switch in high level matter difference in the open state
When, judge whether the level value of serving cell downlink is greater than the level threshold that serving cell need to meet, if so, it is adjacent to continue judgement
The level value of area's downlink and level bias number and whether more than or equal to serving cell downlink level value and power compensation and.
Preferably, the screening module is also used to be ranked up the adjacent area for the condition that meets.
The present invention is directed to the situation of high level matter difference, by wireless operation maintenance center according to serving cell communication condition
Difference sets different adjacent area level bias, and when there are high level matter difference situation, serving cell switching can be switched to level
The relatively good adjacent cell of relatively weak but quality avoids the incision worse cell of quality, ensure that the accuracy of switching.Cause
This, the present invention can reduce cutting off rate index, improve user perceptibility, promote operator's competitiveness.
Detailed description of the invention
Fig. 1 is the flow diagram of cell switching method in a preferred embodiment of the present invention；
Fig. 2 is the flow diagram of cell switching method in a preferred embodiment of the present invention；
Fig. 3 is the structural schematic diagram of cell handover system in another preferred embodiment of the present invention；
Fig. 4 is the structural schematic diagram of cell handover system in another embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that described herein, specific examples are only used to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of cell switching method, referring to Fig.1, in a preferred embodiment of the present invention, the cell switching side
Method at least includes the following steps:
Step S10, wireless operation maintenance center, which configures to exist with the level of serving cell according to the communication condition of cell, to be reflected
Adjacent area that penetrate relationship, that serving cell can be tolerated when the switching level bias number lower than serving cell, and by the electricity
Flat biasing number is synchronized to base station controller；In the embodiment of the present invention, wireless operation maintenance center is according to the communication condition of each cell
Difference, set different adjacent area level bias numbers.It can if adjacent area level bias number i.e. expression serving cell will switch
It is positive value, there are mapping relations with the level of serving cell with the adjacent area of the tolerance level dB number lower than serving cell.This reality
It applies in example, may include high level matter difference switching switch in the configuration parameter that wireless operation maintenance center increases newly
GoodLevBadRQHoEnable and adjacent area level bias GoodLevBadRQoffSet [N], N are expressed as multiple numerical value.Work as clothes
When business Cell level is high, the bias of tolerance is high, and when serving cell level is low, the bias of tolerance is low, to avoid letter is switched to
Number worse cell.It the following is GoodLevBadRQoffSet's [5] for example:
| RxLev(dBm) | GoodLevBadRQoffSet | Default value |
| >=- 60 | [0,63] | 20 |
| - 60~-70 | [0,63] | 15 |
| - 70~-75 | [0,63] | 10 |
| - 75~-85 | [0,63] | 5 |
| <-85 | [0,63] | 0 |
After above-mentioned configuration parameter configures, synchronizes and be issued to base station controller BSC.
Step S20, base station controller obtains the level value of serving cell and adjacent area downlink, according to serving cell downlink
Level value selects corresponding level bias number；Base station controller obtains a system of serving cell and adjacent area according to cell measurement reporting
After column level average, so that it may switch over judgement.After the switching of row quality is set up over/under, when original switching flow
When the Target cell number that judgement obtains is 0, judge whether system supports high level matter difference handoff functionality.If supporting, it is transferred to step
Rapid S30.When the Target cell number that original process obtains is not 0, i.e., made decisions by existing switching flow, if there is
The cell that can switch, then there are the relatively good adjacent areas of signal for explanation, can choose these cells and switch over, it is not necessary to execute
Not invention process.
Step S30, judge adjacent area downlink level value and level bias number and whether more than or equal to serving cell downlink
Level value and power compensation and；
Step S40, if so, the adjacent area that screening meets the condition switches over.According to the average electricity of this serving cell downlink
Corresponding section is put down, corresponding shift value in the GoodLevBadRQoffSet [5] of setting is selected, judges (adjacent area downlink
Average level+GoodLevBadRQoffSet) whether it is more than or equal to (this cell downlink average level+power compensation), power is mended
It repays are as follows: the transmitted power rating BSPower*2 of base station.For example, the received signal level that base station controller obtains serving cell is flat
Mean value RxLev (dBm) is -60, and biasing section GoodLevBadRQoffSet corresponding to the numerical value is 0-63, default offset value
It is 20, then adjacent area downlink average level is compensated into operation, default offset value 20 is added in actual mean value, and judge to transport
Calculate result whether be more than or equal to serving cell received signal level average value -60 and power compensation and, power compensation is base
The transmitted power rating BSPower to stand is multiplied by 2.If so, determining that adjacent area is the cell for meeting switching condition, it can choose these
Cell switches over.If it is not, then continuing collection measurement report without switching and judging whether adjacent area meets condition.
In the embodiment of the present invention, by wireless operation maintenance center according to the difference of serving cell communication condition, setting is not
Same adjacent area level bias number, the level bias number are positive value.Base station controller gets the level value of serving cell and adjacent area
When, adjacent area level value is added with the level bias number, obtains the numerical value greater than adjacent area actual level value, then judge that the numerical value is
The no received signal level average value -60 more than or equal to serving cell and power compensation and, i.e., using the operation values as judging
According to judging whether adjacent area level is higher than serving cell level, if so, the adjacent area is selected to switch over.The embodiment of the present invention is worked as
There are serving cell switchings when high level matter difference situation can be switched to the relatively weak adjacent cell of level, avoids incision quality more
The cell of difference, ensure that the accuracy of switching.Therefore, the present invention can reduce cutting off rate index, improve user perceptibility, be promoted
Operator's competitiveness.
In a preferred embodiment of the present invention, include: in above-mentioned steps S10
Wireless operation maintenance center configures high level matter difference switching switch, adjacent area level bias number, and by the high level
Matter difference switching switch and adjacent area level bias number are synchronized to base station controller.Switch the setting switched, can be for selection by the user
It is no to enter switching flow of the present invention, for example, illustrating that system supports switching flow of the present invention if switching switch is open state.
In the embodiment of the present invention, before executing above-mentioned steps S30, upper method flow, which may also include, judges high level matter difference switching switch
The step of whether opening, if so, thening follow the steps S30.
Referring to shown in Fig. 2, in another preferred embodiment of the present invention, before above-mentioned steps S20 further include:
Step S200 is more than or equal to serving cell level using adjacent area level and executes switching flow as switching condition；I.e. by existing
Some switching flows switch over, and if there is the cell that can switch, then explanation is there are the relatively good adjacent area of signal, can be with
These cells are selected to switch over, it is not necessary to execute not invention process.
Step S201 judges whether the adjacent area number that can be switched over is 0, judges that high level matter difference switches if so, executing
The step of whether switch is opened.When being switched over by existing procedure, if whether the adjacent area number that judgement can switch over is 0,
Illustrate that the signal of adjacent area is weaker than serving cell, at this point, executing switching flow of the invention, first determines whether that high level matter difference switches
Whether switch is opened, if so, thening follow the steps S20.
Further, in another embodiment of the present invention, may also include that in above-mentioned steps S10
Wireless operation maintenance center configuration high level matter difference switching switch, adjacent area level bias number and serving cell need to meet
Level threshold, and by high level matter difference switching switch, the level door that need to meet of adjacent area level bias number and serving cell
Limit is synchronized to base station controller.
The present embodiment increases the level threshold parameter that this cell need to meet on the basis of previous embodiment, avoids manually setting
It is unreasonable to set GoodLevBadRQoffset parameter, the worse cell of wireless quality has been cut when serving cell level is low.It should
Parameter and GoodLevBadRQoffset are more preferable with the use of control transition effect, default value 30, expression -80dBm.The present invention
It include: to judge serving cell downlink after execution judges the step of whether high level matter difference switching switch is opened in embodiment
Level value whether be greater than the level threshold that serving cell need to meet, if so, thening follow the steps S30.
It further include being ranked up to the cell for the condition that meets in previous embodiment, the step for sequentially adjacent area being selected to switch over
Suddenly, further to ensure speech quality.
The present invention also provides a kind of cell handover systems, for realizing the above method.Referring to Fig. 3, the present invention one is preferably real
It applies in example, which includes wireless operation maintenance center 10 and base station controller 20, in which:
Wireless operation maintenance center 10 includes configuration module 11, and for configuring, there are mapping relations with the level of serving cell
Adjacent area level bias number, and the level bias number is synchronized to base station controller；It is full needed for adjacent area in the embodiment of the present invention
The adjacent area that can the be tolerated level dB number lower than serving cell if the level bias of foot i.e. expression serving cell will switch,
There are mapping relations with the level of serving cell.Configuration parameter is increased newly in wireless operation maintenance center 10 by configuration module 11,
The level bias of satisfaction needed for switching switch GoodLevBadRQHoEnable and adjacent area including high level matter difference
GoodLevBadRQoffSet [N], N are expressed as multiple numerical value.When serving cell level is high, the bias of tolerance is high, level
When low, the bias of tolerance is low.
Base station controller 20 includes:
Level obtains module 21, for obtaining the level value of serving cell and adjacent area downlink, according to serving cell downlink
Level value select corresponding level bias number；It is flat that level acquisition module 21 can obtain a series of level according to cell measurement reporting
Mean value.
Judgment module 22, for it is judging the level value of adjacent area downlink and level bias number and whether be more than or equal to service it is small
The level value of area's downlink and power compensation and, if so, the adjacent area that screening meets the condition switches over.Row matter over/under
After amount switching is set up, when the Target cell number that original process obtains is 0, judge whether system supports high level matter difference to switch
Function.It is that first judgment module 22 judges the level value of adjacent area downlink and level bias number and whether be more than or equal to if supporting
The level value of serving cell downlink and power compensation and, if so, the adjacent area that screening meets the condition switches over.According to this
Section corresponding to serving cell downlink average level selects corresponding offset in the GoodLevBadRQoffSet [5] of setting
Whether numerical value, judgement (adjacent area downlink average level+GoodLevBadRQoffSet) are more than or equal to (this cell downlink average level
+ power compensation), power compensation are as follows: the transmitted power rating BSPower*2 of base station.For example, base station controller obtains serving cell
Received signal level average value RxLev (dBm) be -60, biasing section GoodLevBadRQoffSet corresponding to the numerical value
For 0-63, default offset value is 20, then adjacent area downlink average level is compensated operation, plus offset in actual mean value
Value 20, and judge operation result whether be more than or equal to serving cell received signal level average value -60 and power compensation and,
Power compensation is the transmitted power rating BSPower of base station multiplied by 2.
Screening module 23, the adjacent area for screening the condition that meets switch over.When the level value and level of adjacent area downlink are inclined
Set level value and power compensation several and more than or equal to serving cell downlink and when, then adjacent area is meet switching condition small
Area can choose these cells and switch over.If it is not, then continuing collection measurement report without switching and judging whether adjacent area is full
Sufficient condition.
In the embodiment of the present invention, by wireless operation maintenance center 10 according to the difference of serving cell communication condition, setting
Different adjacent area level bias numbers, the level bias number are positive value.Base station controller 20 gets the electricity of serving cell and adjacent area
When level values, adjacent area level value is added with the level bias number, obtains the numerical value greater than adjacent area actual level value, then judge the number
Value whether be more than or equal to serving cell received signal level average value -60 and power compensation and, i.e., using the operation values as
Judgment basis judges whether adjacent area level is higher than serving cell level, if so, the adjacent area is selected to switch over.The present invention is implemented
Example serving cell switching when there are high level matter difference situation can be switched to the relatively weak adjacent cell of level, avoid incision matter
Worse cell is measured, ensure that the accuracy of switching.Therefore, the present invention can reduce cutting off rate index, improve user perceptibility,
Promote operator's competitiveness.
In a preferred embodiment of the present invention, configuration module 11 is inclined for configuring high level matter difference switching switch, adjacent area level
Number is set, and high level matter difference switching switch and adjacent area level bias number are synchronized to base station controller 20.Switching switch
Setting can choose whether to enter switching flow of the present invention for user, for example, if switching switch for open state, illustrate be
System supports switching flow of the present invention.In the embodiment of the present invention, judgment module 22 is also used to judge that high level matter difference switching switch is
No unlatching, if so, continue to judge adjacent area downlink level value and level bias number and whether more than or equal under serving cell
Capable level value and power compensation and.
Referring to Fig. 4, in one embodiment of the invention, base station controller 20 further include:
Switching module 24 executes switching flow as switching condition for being more than or equal to serving cell level using adjacent area level；
I.e. switching module 24 is made decisions by existing switching flow, and if there is the cell that can switch, then there are signal phases for explanation
To preferable adjacent area, it can choose these cells and switch over, it is not necessary to execute not invention process.
Whether the adjacent area number that judgment module 22 is also used to switch over is 0, judges that high level matter difference is cut if so, executing
Change whether switch is opened.When being switched over by existing procedure, if whether the adjacent area number that judgement can switch over is 0, if so,
Illustrate that the signal of adjacent area is weaker than serving cell, at this point, executing switching flow of the invention, first determines whether that high level matter difference switches
Whether switch is opened.
In a preferred embodiment of the present invention, the configuration module 11 is for configuring high level matter difference switching switch, adjacent area electricity
The level threshold that flat biasing number and serving cell need to meet, and the high level matter difference is switched into switch, adjacent area level bias number
The level threshold that need to meet with serving cell is synchronized to base station controller.The present embodiment increases this on the basis of previous embodiment
The level threshold parameter that cell need to meet, it is unreasonable to avoid manually being arranged GoodLevBadRQoffset parameter, in serving cell
Wireless quality worse cell has been cut when level is low.The parameter and GoodLevBadRQoffset are with the use of control switching effect
Fruit is more preferable, default value 30, expression -80dBm.In the embodiment of the present invention, judgment module 22 is also used to cut in high level matter difference
Change switch it is in the open state when, judge whether the level value of serving cell downlink is greater than the level door that serving cell need to meet
Limit, if so, judge adjacent area downlink level value and level bias number and whether more than or equal to serving cell downlink level
Value with power compensation and.
In previous embodiment, screening module 23 is also used to be ranked up the cell for the condition that meets, sequentially select adjacent area into
Row switching, further to ensure speech quality.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of cell switching method, which comprises the following steps:
There are mapping relations, generation according to the level of the configuration of the communication condition of cell and serving cell for wireless operation maintenance center
The adjacent area that serving cell can the be tolerated when switching level bias number lower than serving cell, and the level bias number is synchronized to
Base station controller；
Base station controller obtains the level value of serving cell and adjacent area downlink, according to the selection pair of the level value of serving cell downlink
The level bias number answered；
Judge adjacent area downlink level value and level bias number and whether more than or equal to serving cell downlink level value and function
The sum of rate compensation if so, screening meets the adjacent area of the condition, and is ranked up the adjacent area for the condition that meets, and sequentially selection is adjacent
Area switches over.
2. cell switching method as described in claim 1, which is characterized in that the wireless operation maintenance center is according to cell
Communication condition configuration and the level of serving cell there are mapping relations, switch when the adjacent area ratio that can tolerate of serving cell
The low level bias number of serving cell, and include: in the step of level bias number is synchronized to base station controller
Wireless operation maintenance center configures high level matter difference switching switch and adjacent area level bias number, and the high level matter is poor
Switching switch and adjacent area level bias number are synchronized to base station controller；
The base station controller obtains the level value of serving cell and adjacent area downlink, is selected according to the level value of serving cell downlink
It selects after the step of corresponding level bias number and includes:
Judge whether high level matter difference switching switch is opened, if so, executing the level value and level bias for judging adjacent area downlink
It is several and whether be more than or equal to serving cell downlink level value and power compensation and the step of.
3. cell switching method as claimed in claim 2, which is characterized in that judge that high level matter difference switching switch is executing
Include: before the step of no unlatching
It is more than or equal to serving cell level using adjacent area level and executes switching flow as switching condition；
Judge whether the adjacent area number that can be switched over is 0, judges what whether high level matter difference switching switch was opened if so, executing
Step.
4. cell switching method as claimed in claim 2 or claim 3, which is characterized in that the wireless operation maintenance center is according to small
The communication condition configuration in area and the level of serving cell there are mapping relations, switch when the neighbour that can tolerate of serving cell
Area's level bias number lower than serving cell, and include: in the step of level bias number is synchronized to base station controller
The electricity that wireless operation maintenance center configuration high level matter difference switching switch, adjacent area level bias number and serving cell need to meet
Jib door limit, and the level threshold that high level matter difference switching switch, adjacent area level bias number and serving cell need to be met is same
Walk base station controller；
Judge include: after the step of whether high level matter difference switching switch is opened executing
Judge whether the level value of serving cell downlink is greater than the level threshold that serving cell need to meet, if so, executing judgement
The level value of adjacent area downlink and level bias number and whether more than or equal to serving cell downlink level value and power compensation
And the step of.
5. a kind of cell handover system, which is characterized in that including wireless operation maintenance center and base station controller, in which:
Wireless operation maintenance center includes configuration module, for being deposited according to the configuration of the communication condition of cell and the level of serving cell
Mapping relations, switch when the adjacent area that can tolerate of the serving cell level bias number lower than serving cell, and by institute
It states level bias number and is synchronized to base station controller；
The base station controller includes:
Level obtains module, for obtaining the level value of serving cell and adjacent area downlink, according to the level of serving cell downlink
Value selects corresponding level bias number；
Judgment module, for judge adjacent area downlink level value and level bias number and whether more than or equal to serving cell downlink
Level value and power compensation and；
Screening module, for screening the adjacent area for the condition that meets and being ranked up to the adjacent area for the condition that meets, sequentially select adjacent area into
Row switching.
6. cell handover system as claimed in claim 5, which is characterized in that the configuration module is poor for configuring high level matter
Switching switch, adjacent area level bias number, and high level matter difference switching switch and adjacent area level bias number are synchronized to base station
Controller；
The judgment module is also used to judge whether high level matter difference switching switch is opened, if so, continuing to judge adjacent area downlink
Level value and level bias number and whether more than or equal to serving cell downlink level value and power compensation and.
7. cell handover system as claimed in claim 6, which is characterized in that the base station controller further include:
Switching module executes switching flow as switching condition for being more than or equal to serving cell level using adjacent area level；
Whether the adjacent area number that the judgment module is also used to switch over is 0, judges that high level matter difference switches if so, executing
Whether switch is opened.
8. cell handover system as claimed in claim 7, which is characterized in that the configuration module is poor for configuring high level matter
The level threshold that switching switch, adjacent area level bias number and serving cell need to meet, and the high level matter difference is switched and is switched,
The level threshold that adjacent area level bias number and serving cell need to meet is synchronized to base station controller；The judgment module is also used to
When high level matter difference switching switch is in the open state, judge whether the level value of serving cell downlink is greater than serving cell and need to expire
The level threshold of foot, if so, continue judge adjacent area downlink level value and level bias number and whether more than or equal to servicing
The level value of cell downlink and power compensation and.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410743123.4A CN105744573B (en) | 2014-12-08 | 2014-12-08 | Cell switching method and system |
| PCT/CN2015/079935 WO2016090856A1 (en) | 2014-12-08 | 2015-05-27 | Cell handover method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410743123.4A CN105744573B (en) | 2014-12-08 | 2014-12-08 | Cell switching method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105744573A CN105744573A (en) | 2016-07-06 |
| CN105744573B true CN105744573B (en) | 2019-02-26 |
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| CN106211233A (en) * | 2016-07-14 | 2016-12-07 | 西安汇龙科技股份有限公司 | The location method of terminal use's movement locus, Apparatus and system |
| CN111278039B (en) * | 2018-12-05 | 2022-12-06 | 中国移动通信集团四川有限公司 | User perception suppression identification method, device, equipment and medium |
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| CN101998419A (en) * | 2009-08-28 | 2011-03-30 | 中国移动通信集团设计院有限公司 | Cell parameter configuration method and system |
| WO2012022800A1 (en) * | 2010-08-20 | 2012-02-23 | Ip.Access Limited | Network element, cellular communication system and method therefor |
| CN102421153A (en) * | 2011-11-21 | 2012-04-18 | 北京邮电大学 | Method for selecting cell by multi-mode wireless terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101998419A (en) * | 2009-08-28 | 2011-03-30 | 中国移动通信集团设计院有限公司 | Cell parameter configuration method and system |
| WO2012022800A1 (en) * | 2010-08-20 | 2012-02-23 | Ip.Access Limited | Network element, cellular communication system and method therefor |
| CN102421153A (en) * | 2011-11-21 | 2012-04-18 | 北京邮电大学 | Method for selecting cell by multi-mode wireless terminal |
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