CN108235344A - The configuration method and device of a kind of adjacent area suitable for eSRVCC switchings - Google Patents
The configuration method and device of a kind of adjacent area suitable for eSRVCC switchings Download PDFInfo
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- CN108235344A CN108235344A CN201611198422.XA CN201611198422A CN108235344A CN 108235344 A CN108235344 A CN 108235344A CN 201611198422 A CN201611198422 A CN 201611198422A CN 108235344 A CN108235344 A CN 108235344A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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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
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The embodiment provides a kind of configuration methods and device of the adjacent area suitable for eSRVCC switchings, by screening the GSM network wireless communication cell for needing to carry out eSRVCC switchings in the range of current-configuration, in the correlation factor for the eSRVCC switchings that GSM network wireless communication cell is extracted suitable for the multidimensional data that eSRVCC switches, the related coefficient of the GSM network wireless communication cell suitable for eSRVCC switchings is determined；The GSM network wireless communication cell switched suitable for eSRVCC is filtered out according to related coefficient, and to the GSM network wireless communication cell for carrying out eSRVCC switchings is needed be suitable for the neighbor cell configuration of eSRVCC switchings.The present invention accurately obtains the adaptability height of eSRVCC switchings and the adjacent area that handover success rate is high by multidimensional data, improves the voice communication continuity and speech quality of the adjacent area for being configured with eSRVCC switchings.
Description
Technical field
The present invention relates to wireless traffic transmission fields, and in particular to a kind of configuration side of adjacent area suitable for eSRVCC switchings
Method and device.
Background technology
ESRVCC (Enhanced Single Radio Voice Call Continuity, the single wireless voice of enhancing
Call continuity) it is current VOLTE (Voice Over Internet Protocol, transmit voice on internet) business
Essential component part.ESRVCC needs to configure the neighboring BS relationship between LTE network cell and GSM network cell, i.e. 4G-
2G adjacent areas could support business.Although the adjacent area of eSRVCC and CSFB (Circuit Switched in LTE system
Fallback, circuit domain dropping) adjacent area is provided separately, but eSRVCC adjacent areas are generally to inherit also LTE nets at present
The existing CSFB adjacent areas of adjacent area between network cell and GSM network cell.
Although eSRVCC adjacent areas and CSFB adjacent areas contribute to UE from LTE network to GSM network, but due to eSRVCC
With the realization methods of two kinds of events of CSFB, to occur geographical location different, so characteristically there are larger differences for the two.eSRVCC
It is a kind of handover event, adjacent area must be into one-to-one relationship with frequency point/BISC；And CSFB is a kind of thing of similar gravity treatment
Part, frequency point and the non-one-to-one relationship in adjacent area.Therefore eSRVCC adjacent areas require more accurate than CSFB adjacent area.
At present, when eSRVCC typically occurs in LTE network weak covering, i.e., edge is covered in LTE network, so
ESRVCC adjacent areas demand be LTE network covering edge GSM network cell scenario；And CSFB is in LTE network coverage area
Inside can all it occur everywhere, CSFB adjacent areas greater demand is GSM network cell scenario in LTE network overlay area, such as Fig. 1 institutes
Show, it is known that the configuring of general CSFB adjacent areas is based on geographical location, i.e. work parameter evidence.But accuracy, the day of work parameter evidence
Update promptness after feedback variation etc. all becomes the unfavorable factor for influencing programming wireless communication adjacent area accuracy；And CSFB adjacent areas are simultaneously
The adjacent area demand of eSRVCC cannot be fully met, in existing net it has also been found that since the neighbor cell configuration of eSRVCC is unreasonable or endless
Entirely, lead to voice quality difference after switching or frequent switching or even eSRVCC handover failures occur again.
Invention content
For the defects in the prior art, the present invention provide it is a kind of suitable for eSRVCC switching adjacent area configuration method and
Device is accurately obtained the adaptability height of eSRVCC switchings and the adjacent area that handover success rate is high by multidimensional data, improves configuration
There are the voice communication continuity and speech quality of adjacent area that eSRVCC switches.
In order to solve the above technical problems, the present invention provides following technical scheme：
On the one hand, the present invention provides it is a kind of suitable for eSRVCC switching adjacent area configuration method, including：
Screening needs the whole world for carrying out wireless voice call continuity eSRVCC switchings mobile logical in the range of current-configuration
Letter system GSM network wireless communication cell, wherein, it is described need carry out eSRVCC switchings GSM network wireless communication cell be
Being collectively covered by the Long Term Evolution LTE network wireless communication cell in the range of current-configuration and GSM network overlay area,
And it is positioned over the cell of volume edges；
Obtain the multidimensional data for being suitable for eSRVCC switchings；
The correlation factor of the eSRVCC switchings of each GSM network wireless communication cell, and root are extracted in the multidimensional data
It is determined respectively suitable for the related of the eSRVCC GSM network wireless communication cells switched according to the correlation factor, thresholding and weight calculation
Coefficient；
And it is screened the GSM network wireless communication cell respectively switched suitable for eSRVCC according to the related coefficient
Go out the GSM network wireless communication cell for being suitable for eSRVCC switchings for being equal to default switching adjacent area quantity threshold values, and to need into
The GSM network wireless communication cell of row eSRVCC switchings be suitable for the neighbor cell configuration of eSRVCC switchings.
Further, screening needs to carry out wirelessly in the LTE network wireless communication cell in the range of current-configuration
The GSM network wireless communication cell of continuous voice call eSRVCC switchings, including：
In GSM network wireless communication cell in the range of current-configuration, eSRVCC is occurred according to each wireless communication cell
The degree of correlation of switching, screening obtain GSM nets that are defined suitable for the current network that eSRVCC switches and generating correlating event
GSM network wireless communication cell in network wireless communication cell and undefined LTE overlay areas；
Wherein, the degree of correlation of each wireless communication cell generation eSRVCC switchings includes：GSM network wireless communication cell
Generation eSRVCC switching, different system IRAT switching or CSFB voice fallbacks communication event number, further include LTE network with
GSM network is the same as covering or covering strong correlation region, road surface overlay area and road periphery depth overlay area.
Further, the multidimensional data includes：Basic work parameter evidence, different system MR measurement data MRE, 4G-2G IRAT
Data, 2G/4G synchronize frequency sweep data, eSRVCC switch datas, CSFB and fall data and 2G switch datas after rise.
Further, the eSRVCC that each GSM network wireless communication cell is extracted in the multidimensional data switches
Correlation factor, including：
The correlation factor of the eSRVCC switchings of each GSM network wireless communication cell is extracted in the multidimensional data, it will be each
Correlation factor is matched with suitable for each GSM network wireless communication cell of eSRVCC switchings；
The threshold value of each correlation factor is set according to the GSM network wireless communication cell and the eSRVCC degree of correlation switched
And weight, and the weight of whole correlation factor and be 1.
Further, it is described to determine that the GSM network wireless communication for being respectively suitable for eSRVCC switchings is small according to the correlation factor
The related coefficient in area, including：
According to the correlation factor, the threshold value of each correlation factor and weighted value, it is calculated and is respectively cut suitable for eSRVCC
The related coefficient of GSM network wireless communication cell changed；
The GSM network wireless communication cell for being respectively suitable for eSRVCC switchings is arranged from high to low by correlation coefficient value
Sequence.
Further, it is described small in the GSM network wireless communication for being respectively suitable for eSRVCC switchings according to the related coefficient
The GSM network wireless communication cell for being suitable for eSRVCC switchings equal to default switching adjacent area quantity threshold values is filtered out in area, and
To the GSM network wireless communication cell for carrying out eSRVCC switchings is needed be suitable for the neighbor cell configuration of eSRVCC switchings, including：
It suitable for the GSM network wireless communication cell of eSRVCC switchings, is being filtered out after sorting by correlation coefficient value
Equal to the GSM network wireless communication cell for being suitable for eSRVCC switchings described in default switching adjacent area quantity threshold values；
The adjacent area that the GSM network wireless communication cell for carrying out eSRVCC switchings is needed be suitable for eSRVCC switchings is matched
It puts.
On the other hand, the present invention also provides it is a kind of suitable for eSRVCC switching adjacent area configuration device, including：
Suitable for the GSM network wireless communication cell screening module of eSRVCC switchings, for being sieved in the range of current-configuration
Choosing needs to carry out the global system for mobile communications GSM network wireless communication cell of wireless voice call continuity eSRVCC switchings,
Wherein, the GSM network wireless communication cell for needing to carry out eSRVCC switchings is by the long term evolution in the range of current-configuration
Cell that is that technology LTE network wireless communication cell is collectively covered with GSM network overlay area and being positioned over volume edges；
Multidimensional data acquisition module, for obtaining the multidimensional data for being suitable for eSRVCC switchings；
Related coefficient determining module, for extracting each GSM network wireless communication cell in the multidimensional data
The correlation factor of eSRVCC switchings, and determine what is respectively switched suitable for eSRVCC according to the correlation factor, thresholding and weight calculation
The related coefficient of GSM network wireless communication cell；
Suitable for the neighbor cell configuration module of eSRVCC switchings, for respectively being cut according to the related coefficient suitable for eSRVCC
It is filtered out in the GSM network wireless communication cell changed and is suitable for what eSRVCC switched equal to default switching adjacent area quantity threshold values
GSM network wireless communication cell, and the GSM network wireless communication cell for needing to carry out eSRVCC switchings is suitable for
The neighbor cell configuration of eSRVCC switchings.
Further, the GSM network wireless communication cell screening module suitable for eSRVCC switchings includes：
GSM network wireless communication cell screening unit, for the GSM network wireless communication cell in the range of current-configuration
In, the degree of correlation of eSRVCC switchings occurs according to each wireless communication cell, screens and obtains the current net for being suitable for eSRVCC switchings
GSM in network in defined and generation correlating event GSM network wireless communication cell and undefined LTE overlay areas
Multi-network wireless communications cell；
Wherein, the degree of correlation of each wireless communication cell generation eSRVCC switchings includes：What wireless communication cell occurred
The number of the communication event of eSRVCC switchings, different system IRAT switchings or CSFB voice fallbacks, further includes LTE network and GSM nets
Network is the same as covering or covering strong correlation region, road surface overlay area and road periphery depth overlay area.
Further, the related coefficient determining module includes：
Correlation factor is extracted and matching unit, small for extracting each GSM network wireless communication in the multidimensional data group
The correlation factor in area matches each correlation factor with suitable for each GSM network wireless communication cell of eSRVCC switchings；
Thresholding and weight setting unit are related for being switched according to the GSM network wireless communication cell to eSRVCC
Degree sets the threshold value and weight of each correlation factor, and the weight of whole correlation factors and be 1；
Related coefficient acquiring unit, for according to the correlation factor, the threshold value of each correlation factor and weighted value, calculating
Obtain respectively being suitable for the related coefficient of the GSM network wireless communication cell of eSRVCC switchings；
Suitable for the GSM network wireless communication cell sequencing unit of eSRVCC switchings, for will respectively be cut suitable for eSRVCC
The GSM network wireless communication cell changed is ranked up from high to low by correlation coefficient value.
Further, the neighbor cell configuration module suitable for eSRVCC switchings includes：
Suitable for the GSM network wireless communication cell acquiring unit of eSRVCC switchings, for sorting by correlation coefficient value
Afterwards suitable for the GSM network wireless communication cell of eSRVCC switchings, filter out equal to default switching adjacent area quantity threshold values
The GSM network wireless communication cell suitable for eSRVCC switchings；
Need carry out eSRVCC switchings neighbor cell configuration unit, for need carry out eSRVCC switchings GSM network without
Line communication cell be suitable for the neighbor cell configuration of eSRVCC switchings.As shown from the above technical solution, one kind of the present invention
Suitable for the configuration method and device of the adjacent area of eSRVCC switchings, wirelessly communicated by the LTE network in the range of current-configuration
Screening needs to carry out the GSM network wireless communication cell of wireless voice call continuity eSRVCC switching in cell, suitable for
The correlation factor of the eSRVCC switchings of each GSM network wireless communication cell is extracted in the multidimensional data of eSRVCC switchings, and is set
Threshold value and weight calculate the related coefficient for determining the GSM network wireless communication cell for being respectively suitable for eSRVCC switchings；According to phase
Relationship number sieve selects the GSM network wireless communication cell for being suitable for eSRVCC switchings equal to default switching adjacent area quantity threshold values,
And to the GSM network wireless communication cell for carrying out eSRVCC switchings is needed be suitable for the neighbor cell configuration of eSRVCC switchings.This
Invention passes through multidimensional data and accurately obtains the adaptability height of eSRVCC switchings and the adjacent area that handover success rate is high, improves and is configured with
The voice communication continuity and speech quality of the adjacent area of eSRVCC switchings；It has filled up and GSM network wireless communication cell has been fitted
For the technical solution blank of the adjacent area configuration optimization method of eSRVCC switchings.Configuration more precisely, more rationally, be more suitable for
The adjacent area of eSRVCC.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments, for those of ordinary skill in the art, without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is ESRVCC adjacent areas of the prior art and CSFB adjacent areas schematic diagram of a scenario；
Fig. 2 is a kind of flow signal of the configuration method of adjacent area suitable for eSRVCC switchings in the embodiment of the present invention one
Figure；
Fig. 3 is the flow diagram of step 300 in the above-mentioned configuration method in the embodiment of the present invention three；
Fig. 4 is the flow diagram of step 400 in the above-mentioned configuration method in the embodiment of the present invention four；
Fig. 5 is a kind of structural representation of the configuration device of adjacent area suitable for eSRVCC switchings in the embodiment of the present invention five
Figure；
Fig. 6 is the wireless communication cell sieve for being suitable for eSRVCC switchings in the above-mentioned configuration device in the embodiment of the present invention six
The structure diagram of modeling block 10；
Fig. 7 is the structure diagram of related coefficient determining module 30 in the above-mentioned configuration device in the embodiment of the present invention seven；
Fig. 8 is the neighbor cell configuration module 40 for being suitable for eSRVCC switchings in the above-mentioned configuration device in the embodiment of the present invention eight
Structure diagram；
Fig. 9 is the configuration equipment for the adjacent area for being suitable for eSRVCC switchings in the above-mentioned configuration device in the embodiment of the present invention nine
Structure diagram.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, clear, complete description is carried out to the technical solution in the embodiment of the present invention, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts shall fall within the protection scope of the present invention.
The embodiment of the present invention one provides a kind of configuration method of the adjacent area suitable for eSRVCC switchings.Referring to Fig. 2, this is matched
The method of putting specifically comprises the following steps：
Step 100：Screening needs to carry out the complete of wireless voice call continuity eSRVCC switchings in the range of current-configuration
Ball mobile communication system GSM network wireless communication cell, wherein, the GSM network channel radio for needing to carry out eSRVCC switchings
Letter cell is is total to by the Long Term Evolution LTE network wireless communication cell in the range of current-configuration with GSM network overlay area
With cell that is covering and being positioned over volume edges.
In this step, first in the wireless communication cell of the Long Term Evolution LTE network in the range of current-configuration, sieve
Choosing is suitable for carrying out the GSM network wireless communication cell of wireless voice call continuity eSRVCC switchings.
Step 200：Obtain the multidimensional data for being suitable for eSRVCC switchings.
In this step, GSM network wireless communication cell can be judged if appropriate for progress eSRVCC from multipath acquisition
The corresponding multidimensional data of switching.
Step 300：Extracted in the multidimensional data each GSM network wireless communication cell eSRVCC switching it is related because
Son, and the GSM network wireless communication cell for determining respectively suitable for eSRVCC to switch according to the correlation factor, thresholding and weight calculation
Related coefficient.
In this step, each correlation factor of GSM network wireless communication cell is determined in the multidimensional data group, and
It is matched with target wireless communication cell type, by taking the thresholding+differentiation weight of the correlation factor of homogenization+effectively
Combinational algorithm carries out the relatedness computation of GSM network wireless communication cell, realizes the knowledge to reasonable GSM network wireless communication cell
Not, and according to degree of correlation prioritized.
Step 400：It is sieved the GSM network wireless communication cell respectively switched suitable for eSRVCC according to the related coefficient
The GSM network wireless communication cell for being suitable for eSRVCC switchings equal to default switching adjacent area quantity threshold values is selected, and to needing
The GSM network wireless communication cell for carrying out eSRVCC switchings be suitable for the neighbor cell configuration of eSRVCC switchings.
In this step, it is according to current-configuration range and the preset quantity of configuration requirement to preset switching threshold quantity
Value filters out the GSM network channel radio for being suitable for eSRVCC switchings equal to the quantitative value in GSM network wireless communication cell
Believe cell, and carry out being suitable for the neighbour of eSRVCC switchings successively to the GSM network wireless communication cell for being suitable for eSRVCC switchings
Area is configured.
As can be seen from the above description, the embodiment of the present invention accurately obtains the adaptability height of eSRVCC switchings by multidimensional data
And the adjacent area that handover success rate is high, improve the voice communication continuity and speech quality for being configured with the adjacent area that eSRVCC switches.
The embodiment of the present invention two provides a kind of specific embodiment of step 100 in above-mentioned configuration method.The step 100
Specifically comprise the following steps：
In GSM network wireless communication cell in the range of current-configuration, eSRVCC is occurred according to each wireless communication cell
The degree of correlation of switching, screening obtain GSM nets that are defined suitable for the current network that eSRVCC switches and generating correlating event
GSM network wireless communication cell in network wireless communication cell and undefined LTE overlay areas；
Wherein, the degree of correlation of each wireless communication cell generation eSRVCC switchings includes：GSM network wireless communication cell
Generation eSRVCC switching, different system IRAT switching or CSFB voice fallbacks communication event number, further include LTE network with
GSM network is the same as covering or covering strong correlation region, road surface overlay area and road periphery depth overlay area.
As can be seen from the above description, the embodiment of the present invention is suitable for by first being screened to wireless communication cell
The GSM network wireless communication cell of eSRVCC switchings is carried out, it is basic to provide processing accurately and securely for subsequent processing.
In a kind of specific embodiment, the present invention provides a kind of specific embodiment parties of multidimensional data in above-mentioned configuration method
Formula.The multidimensional data specifically includes following content：
Basic work parameter evidence, different system MR measurement data MRE, 4G-2G IRAT data, 2G/4G synchronize frequency sweep data,
ESRVCC switch datas, CSFB fall data and 2G switch datas after rise.
In the multidimensional data, basic work parameter is according to the cell basic configuration information for ECGI, PCI, BCCH, BSIC etc.；
Different system MR measurement data MRE is BCCH, BSIC information of 2G cell；4G-2G IRAT data are based on ticket parsing output
One of as a result；2G/4G, which synchronizes frequency sweep data, can accurately identify the 4G-2G adjacent areas of road surface covering and depth overlay area；
ESRVCC switch datas are the foundation of defined adjacent area validity；CSFB, which falls data after rise, can effectively identify in the LTE areas of coverage
The strong correlation GSM cell of (main covering and edges cover)；2G switch datas are the correlation prediction foundation with LTE cells.
As can be seen from the above description, multidimensional data is obtained by multipath in the embodiment of the present invention, ensure that multidimensional data
In each data integrality and reliability.
The embodiment of the present invention three provides a kind of specific embodiment of step 300 in above-mentioned configuration method.Referring to Fig. 3,
The step 300 specifically comprises the following steps：
Step 301：Extracted in the multidimensional data each GSM network wireless communication cell eSRVCC switching it is related because
Son matches each correlation factor with suitable for each GSM network wireless communication cell of eSRVCC switchings.
Step 302：Each correlation factor is set according to the GSM network wireless communication cell and the eSRVCC degree of correlation switched
Threshold value and weight, and the weight of whole correlation factor and be 1.
Step 303：According to the correlation factor, the threshold value of each correlation factor and weighted value, it is calculated and is respectively suitable for
The related coefficient of the GSM network wireless communication cell of eSRVCC switchings.
Step 304：Correlation coefficient value is pressed into from high to low in the GSM network wireless communication cell for being respectively suitable for eSRVCC switchings
It is ranked up.
As can be seen from the above description, the embodiment of the present invention is by taking the thresholding+differentiation of the correlation factor of homogenization+effectively
The combinational algorithm of weight carries out the relatedness computation of Target cell, realizes the identification to GSM network wireless communication cell, and according to
Degree of correlation prioritized, and result is more precisely and reasonable.
The embodiment of the present invention four provides a kind of specific embodiment of step 400 in above-mentioned configuration method.Referring to Fig. 4,
The step 400 specifically comprises the following steps：
Step 401：The GSM network wireless communication cell for being suitable for eSRVCC switchings after sorting by correlation coefficient value
In, filter out the GSM network wireless communication cell suitable for eSRVCC switchings equal to default switching adjacent area quantity threshold values.
Step 402：To the GSM network wireless communication cell for carrying out eSRVCC switchings is needed to carry out being suitable for eSRVCC switchings
Neighbor cell configuration.
As can be seen from the above description, the embodiment of the present invention has filled up GSM network wireless communication cell method for optimizing configuration
Technical solution blank ensure that the voice call quality of the wireless communication cell of the GSM network switching of configuration.
For further description this programme, the present invention also provides a kind of configurations of the adjacent area suitable for eSRVCC switchings
The concrete application example of method.The concrete application example includes following content：
Step 1：According to the characteristic of eSRVCC adjacent areas, the type of eSRVCC targets adjacent area is determined；
Step 2：Based on basic work parameter according to (geographical location), different system MR measurement data (MRE), 4G-2G IRAT numbers
Frequency sweep data, eSRVCC switch datas, CSFB are synchronized according to, 2G/4G and falls 7 dimension datas such as data, 2G switch datas after rise, are determined
Each correlation factor of eSRVCC adjacent areas, and matched with target adjacent area type；
Step 3：Target is carried out by the combinational algorithm for the correlation factor+effectively thresholding+differentiation weight for taking homogenization
The relatedness computation of cell realizes the identification to reasonable adjacent area, and according to degree of correlation prioritized；
Step 4：It is sorted according to the TOP N of the degree of correlation, determines final eSRVCC adjacent areas.
The specific implementation of each step is illustrated separately below.
Particular content in the step 1 is as follows：
Based on ESRVCC adjacent areas characteristic and now net eSRVCC and CSFB and situation about depositing, determine that 4G-2G adjacent areas are mainly wrapped
GSM cell that is defined containing existing net and generating certain correlating event and potential undefined LTE cores and edge cover area mesh
Mark GSM cell.
1) GSM cell that is defined and generating certain correlating event is now netted, is specifically included：
TYPE A0：There are the cell of certain eSRVCC number, mainly LTE fringe regions Target cell, such 2G adjacent areas
And frequency point needs to be retained in optimization process.
TYPE A1：There are the cell of a large amount of IRAT numbers, mainly LTE fringe regions Target cell, such 2G cell is
Potential eSRVCC strong correlation cells can be effectively improved VOLTE user's perception.
TYPE A2：It is small including the LTE network core area of coverage and fringe region target there are the cell of a large amount of CSFB numbers
Area, such 2G cell have part and eSRVCC strong correlations, but all with CSFB strong correlations.
2) potential undefined LTE cores and edge cover area target GSM cell, specifically include：
TYPE B1：The Target cell covered together with LTE serving cells, since LTE coverage areas are weaker than GSM, such
2G cell and the equal strong correlation of eSRVCC and CSFB.
TYPE B2：With the non-same coverage goal cell of LTE serving cell strong correlations, such 2G cell and the strong phases of eSRVCC
It closes weak related to CSFB.
TYPE B3：Road surface overlay area strong correlation Target cell, such 2G cell and CSFB strong correlations are to promote road surface
The necessary adjacent area that user CSFB is perceived.
TYPE B4：The depth covering of road periphery is insufficient region strong correlation Target cell, such 2G cell and the strong phases of eSRVCC
It closes, is to promote the necessary adjacent area that VOLTE user perceives in the room of roadside.
Particular content in the step 2 is as follows：
The adjacent area being configured in the ESRVCC neighbor cell configuration schemes of the current existing CSFB adjacent areas of succession cannot meet
The adjacent area demand of eSRVCC.
Therefore, this programme is directed to the adjacent area demand of eSRVCC, it is proposed that determines eSRVCC adjacent areas phase based on 7 dimension datas
The method for closing the factor, i.e., basic work parameter is according to (geographical location)；Different system MR measurement data (MRE)；4G-2G IRAT data；
2G/4G synchronizes frequency sweep data；ESRVCC switch datas；CSFB falls data after rise；2G switch datas, to ensure that the adjacent area matched can
To meet the adjacent area demand of eSRVCC.
Wherein, the input data source of each dimension is as follows：
1) basic work parameter is according to (geographical location)：Including engineering informations such as 4G, the longitude and latitude of 2G cell, deflection, inclination angles,
And the cell basic configuration information of ECGI, PCI, BCCH, BSIC etc..
2) the isosystem measurement report (MRE) based on event：The situation of 4G-2G redirections is used in current data service
Under, VOLTE user can trigger GSM cell based on B2 events in weak covering and measure, report content include 2G cell BCCH,
BSIC information.
3) the serving cell 4G-2G IRAT statistics based on ticket：Notebook data source be based on ticket parsing output result it
One.By the business for parsing the whole network user and mobile sexual behaviour, obtain data service of the 4G cells to related 2G cell and redirect
Statistics can more objective, accurately embody the strong correlation GSM of the weak overlay areas of LTE (and prevailing scenario of eSRVCC triggerings)
Cell.
4) 4G-4G switching chains and correlation 4G-2G IRAT statistics based on ticket：Notebook data source is defeated based on ticket parsing
One of result gone out.By that the switching of each pair of 4G-4G adjacent areas and the association analysis of 4G-2G IRAT, can orient and be serviced with LTE
Cell in the perimeter systems of cell strong correlation, and the GSM cell of such intra-system cells strong correlation is indexed, supplement identification and LTE
The strong correlation GSM cell of serving cell.
4) the CSFB adjacent areas based on signal collecting are to statistics：The data source is based on LTE cells in CSFB signalling analysis systems
CSFB business statistics to each related GSM cell, can effectively identify in the LTE areas of coverage the strong of (main covering and edges cover)
Related GSM cell.
5) 2G adjacent cell definitions and its switching statistics are now netted：Switch instances of the 2G cell in system are itself and peripheral cell phase
Effective embodiment of closing property.Therefore, when 4G cells and the 2G cell co-sited are with covering, the switching target adjacent area of GSM cell also may be used
As its correlation prediction foundation with the LTE cells.
6) the data parsing of road frequency sweep is synchronized based on 4G/2G：Pass through the road frequency sweep being carried out at the same time to 4G/2G multibands
Data parse and association, can accurately identify the 4G-2G adjacent areas of road surface covering and depth overlay area.
7) now net ESRVCC switchings count：The adjacent area generated counts the eSRVCC of grade, effective as defined adjacent area
The foundation of property, can avoid the erroneous judgement of inessential adjacent area.
According to the multi-dimensional data of above-mentioned input, it may be determined that each correlation factor of ESRVCC adjacent areas, and it is adjacent with target
Area's type is matched, as shown in table 1：
1 correlation factor of table, target adjacent area type matching result and weight rank correspondence
Particular content in the step 3 is as follows：
It is needed to be considered because being known as 3 in the Target cell relatedness computation for carrying out eSRVCC adjacent areas, i.e., 1) it is related because
Son；2) effective thresholding；3) weight.Each factor is described in detail separately below：
1) correlation factor calculates：
Each correlation factor specific formula for calculation is as follows：
√
√
√
√
√
√
√
2) each correlation factor threshold de, as shown in table 2：
The corresponding threshold de of 2 correlation factor of table and foundation
3) weight is set
The setting of each related coefficient weight is described as follows：
3-1 is 1 according to the sum of used input data source, corresponding each Criteria weights.
When 3-2 calculates eSRVCC adjacent area related coefficients, it should be configured with the potential adjacent area coefficient of eSRVCC strong correlations higher
Weight.
3-3 weights can be configured and optimize and revise according to different network characteristics, can be verified by existing net come defeated
Go out to meet the weight setting of network characteristic, wherein, through excessively taking turns validation test, meet weight setting such as table that Shanghai shows net characteristic
Shown in 3：
The corresponding weighted value of 3 correlation factor of table
4) Target cell relatedness computation and priority are ranked
The Target cell related coefficient calculation formula of eSRVCC adjacent areas is as follows：
Coefficient (x)=sum (c1*Coefficient_CSFB (x), c2*Coefficient_MRE (x),
c3*Coefficient_Scan Overall(x),c4*Coefficient_Poor Cov(x),
c5*Coefficient_4G-2GIRAT(x),c6*Coefficient_4G-4G HO(x),
c7*Coefficient_Co-Cov 2G HO(x))*2(i)
Wherein, (i)-only when Target cell for LTE with station cell when multiply 2.
According to the related coefficient Coefficient of each Target cell, the Target cell that can be ranked is as the preferential of adjacent area
Grade.
Particular content in the step 4 is as follows：
Fixed adjacent area quantity N (such as 30) is set, descending row is carried out according to the related coefficient Coefficient of Target cell
Sequence, TOP N sequence in Target cell be final eSRVCC adjacent areas.
As can be seen from the above description, concrete application example of the invention introduces on the basis of in work parameter and interacts thing with 4G, 2G
The related different system MR measurement data (MRE) of part, 4G-2G IRAT (Inter-Radio Access Technology, different system
Access) data, 2G/4G synchronize frequency sweep data, eSRVCC switch datas, CSFB and fall a variety of data such as data, 2G switch datas after rise,
Pass through adjacent area recognition combination algorithm --- the algorithm of correlation factor+effectively thresholding+differentiation weight of homogenization is taken to carry out mesh
The relatedness computation of adjacent area, and the priority of be ranked accordingly eSRVCC adjacent areas and frequency point are marked, it is excellent to have filled up eSRVCC neighbor cell configurations
The technical solution blank of change method.Adjacent area that is more accurate, more reasonable, being more suitable for eSRVCC is configured.
The embodiment of the present invention five provides a kind of a kind of specific reality of the configuration device of the adjacent area suitable for eSRVCC switchings
Apply mode.Referring to Fig. 5, which specifically includes following content：
Suitable for the LTE network wireless communication cell screening module 10 of eSRVCC switchings, in the range of current-configuration
Screening needs the global system for mobile communications GSM network wireless communication for carrying out wireless voice call continuity eSRVCC switchings small
Area, wherein, the GSM network wireless communication cell for needing to carry out eSRVCC switchings is by drilling for a long time in the range of current-configuration
It is being collectively covered into technology LTE network wireless communication cell with GSM network overlay area and be positioned over volume edges it is small
Area.
Multidimensional data group acquisition module 20, for obtaining the multidimensional data for being suitable for eSRVCC switchings.
Related coefficient determining module 30, for extracting each GSM network wireless communication cell in the multidimensional data
The correlation factor of eSRVCC switchings, and determine what is respectively switched suitable for eSRVCC according to the correlation factor, thresholding and weight calculation
The related coefficient of GSM network wireless communication cell.
Suitable for the neighbor cell configuration module 40 of eSRVCC switchings, for being respectively suitable for eSRVCC according to the related coefficient
It is filtered out in the GSM network wireless communication cell of switching and is suitable for what eSRVCC switched equal to default switching adjacent area amount threshold
GSM network wireless communication cell, and the GSM network wireless communication cell for needing to carry out eSRVCC switchings is suitable for
The neighbor cell configuration of eSRVCC switchings.
As can be seen from the above description, the device of the invention realizes the adaptation that eSRVCC switchings are accurately obtained by multidimensional data
Property high and high handover success rate adjacent area, improve the voice communication continuity for the adjacent area for being configured with eSRVCC switchings and call matter
Amount.
The embodiment of the present invention six provides the wireless communication cell screening for being suitable for eSRVCC switchings in above-mentioned configuration device
A kind of specific embodiment of module 10.Referring to Fig. 6, the GSM network wireless communication cell screening of eSRVCC switchings should be suitable for
Module 10 specifically includes following content：
GSM network wireless communication cell screening unit 11 is small for the GSM network wireless communication in the range of current-configuration
Qu Zhong, the degree of correlation of eSRVCC switchings occurs according to each wireless communication cell, and screening obtains being suitable for the current of eSRVCC switchings
In network in defined and generation correlating event GSM network wireless communication cell and undefined LTE overlay areas
GSM network wireless communication cell；
Wherein, the GSM network wireless communication cell includes with the eSRVCC degrees of correlation switched：Wireless communication cell occurs
ESRVCC switching, different system IRAT switching or CSFB voice fallbacks communication event number, further include LTE network and GSM
Network is the same as covering or covering strong correlation region, the road surface overlay area and road periphery depth area of coverage.
As can be seen from the above description, the device of the invention is obtained by first being screened to GSM network wireless communication cell
The high GSM network wireless communication adjacent area of eSRVCC switchings adaptability, it is basic to provide processing accurately and securely for subsequent processing.
The embodiment of the present invention seven provides a kind of specific embodiment party of related coefficient determining module 30 in above-mentioned configuration device
Formula.Referring to Fig. 7, which specifically includes following content：
Correlation factor is extracted and matching unit 31, for extracting each GSM network wireless communication in the multidimensional data group
The correlation factor of cell matches each correlation factor with suitable for each GSM network wireless communication cell of eSRVCC switchings.
Thresholding and weight setting unit 32, for the phase switched according to the GSM network wireless communication cell with eSRVCC
Guan Du sets the threshold value and weight of each correlation factor, and the weight of whole correlation factors and be 1.
Related coefficient acquiring unit 33, for according to the correlation factor, the threshold value of each correlation factor and weighted value, meter
It calculates and obtains the related coefficient for the GSM network wireless communication cell for being respectively suitable for eSRVCC switchings.
Suitable for the GSM network wireless communication cell sequencing unit 34 of eSRVCC switchings, for will respectively be suitable for eSRVCC
The GSM network wireless communication cell of switching is ranked up from high to low by correlation coefficient value.
As can be seen from the above description, the device of the invention is by taking correlation factor+effectively thresholding+differentiation of homogenization to weigh
The combinational algorithm of weight carries out the relatedness computation of Target cell, realizes the identification to reasonable adjacent area, and it is excellent to be ranked according to the degree of correlation
First grade, the adjacent area that the accurate adaptability for obtaining eSRVCC switchings is high and handover success rate is high, and result is more precisely, more rationally, more
Switch suitable for eSRVCC.
The embodiment of the present invention eight, which provides, is suitable for the neighbor cell configuration module 40 that eSRVCC switches in above-mentioned configuration device
A kind of specific embodiment.Referring to Fig. 8, the neighbor cell configuration module 40 that should be suitable for eSRVCC switchings specifically includes following content：
Suitable for the GSM network wireless communication cell acquiring unit 41 of eSRVCC switchings, for being arranged by correlation coefficient value
After sequence suitable for the GSM network wireless communication cell of eSRVCC switchings, filter out equal to default switching adjacent area quantity threshold values
It is described suitable for eSRVCC switching GSM network wireless communication cell.
The neighbor cell configuration unit 42 of progress eSRVCC switchings is needed, for the GSM network to needing progress eSRVCC switchings
Wireless communication cell be suitable for the neighbor cell configuration of eSRVCC switchings.
As can be seen from the above description, system of the invention has filled up the technical solution sky of eSRVCC adjacent area configuration optimization methods
In vain, the voice call quality and success rate of communication of the LTE network wireless communication cell through eSRVCC switching neighbor cell configurations be ensure that.
The embodiment of the present invention nine provides a kind of configuration equipment of the adjacent area of eSRVCC switchings, and referring to Fig. 9, the equipment is specific
It is as follows：
Processor (processor) 901, memory (memory) 902, communication interface (Communications
Interface) 903 and bus 904；
Wherein,
The processor 901, memory 902, communication interface 903 complete mutual communication by the bus 904；
The communication interface 903 puts the information transmission between logical equipment and the communication equipment of charge system for this automatically；
The processor 901 is used to call the program instruction in the memory 902, to perform above-mentioned each method embodiment
The method provided, such as including：
Screening needs the whole world for carrying out wireless voice call continuity eSRVCC switchings mobile logical in the range of current-configuration
Letter system GSM network wireless communication cell, wherein, it is described need carry out eSRVCC switchings GSM network wireless communication cell be
Being collectively covered by the Long Term Evolution LTE network wireless communication cell in the range of current-configuration and GSM network overlay area,
And it is positioned over the cell of volume edges；Obtain the multidimensional data for being suitable for eSRVCC switchings；It is extracted in the multidimensional data
The correlation factor of the eSRVCC switchings of each GSM network wireless communication cell, and it is true according to the correlation factor, thresholding and weight calculation
The related coefficient of the fixed GSM network wireless communication cell for being respectively suitable for eSRVCC switchings；And according to the related coefficient each
It filters out suitable for the GSM network wireless communication cell of eSRVCC switchings and is suitable for equal to default switching adjacent area quantity threshold values
ESRVCC switching GSM network wireless communication cell, and to need carry out eSRVCC switchings GSM network wireless communication cell into
Row is suitable for the neighbor cell configuration of eSRVCC switchings.
The embodiment of the present invention ten provides a kind of computer program product, and the present embodiment discloses a kind of computer program production
Product, the computer program product include the computer program being stored on non-transient computer readable storage medium storing program for executing, the meter
Calculation machine program includes program instruction, and when described program instruction is computer-executed, it is real that computer is able to carry out above-mentioned each method
The method that example is provided is applied, referring to Fig. 2, such as including：Screening needs to carry out wireless voice call company in the range of current-configuration
The global system for mobile communications GSM network wireless communication cell of continuous property eSRVCC switchings, wherein, it is described that progress eSRVCC is needed to cut
The GSM network wireless communication cell changed be by the Long Term Evolution LTE network wireless communication cell in the range of current-configuration with
Cell that is that GSM network overlay area collectively covers and being positioned over volume edges；Obtain the multidimensional for being suitable for eSRVCC switchings
Data；The correlation factor of the eSRVCC switchings of each GSM network wireless communication cell is extracted in the multidimensional data, and according to this
Correlation factor, thresholding and weight calculation determine respectively to be suitable for the related coefficient of the GSM network wireless communication cell of eSRVCC switchings；
And it is filtered out the GSM network wireless communication cell respectively switched suitable for eSRVCC equal to pre- according to the related coefficient
If switch the GSM network wireless communication cell for being suitable for eSRVCC switchings of adjacent area quantity threshold values, and to needing to carry out eSRVCC
The GSM network wireless communication cell of switching be suitable for the neighbor cell configuration of eSRVCC switchings.
The embodiment of the present invention 11 provides a kind of non-transient computer readable storage medium storing program for executing, and the non-transient computer can
Storage medium storage computer instruction is read, the computer instruction is provided the above-mentioned each method embodiment of the computer execution
Method, such as including：
Screening needs the whole world for carrying out wireless voice call continuity eSRVCC switchings mobile logical in the range of current-configuration
Letter system GSM network wireless communication cell, wherein, it is described need carry out eSRVCC switchings GSM network wireless communication cell be
Being collectively covered by the Long Term Evolution LTE network wireless communication cell in the range of current-configuration and GSM network overlay area,
And it is positioned over the cell of volume edges；Obtain the multidimensional data for being suitable for eSRVCC switchings；It is extracted in the multidimensional data
The correlation factor of the eSRVCC switchings of each GSM network wireless communication cell, and it is true according to the correlation factor, thresholding and weight calculation
The related coefficient of the fixed GSM network wireless communication cell for being respectively suitable for eSRVCC switchings；And according to the related coefficient each
It filters out suitable for the GSM network wireless communication cell of eSRVCC switchings and is suitable for equal to default switching adjacent area quantity threshold values
ESRVCC switching GSM network wireless communication cell, and to need carry out eSRVCC switchings GSM network wireless communication cell into
Row is suitable for the neighbor cell configuration of eSRVCC switchings.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
The relevant hardware of program instruction is completed, and aforementioned program can be stored in a computer read/write memory medium, the program
When being executed, step including the steps of the foregoing method embodiments is performed；And aforementioned storage medium includes：ROM, RAM, magnetic disc or light
The various media that can store program code such as disk.
The embodiments such as the configuration equipment of adjacent area of eSRVCC switchings described above are only schematical, wherein described
The unit illustrated as separating component may or may not be physically separate, and the component shown as unit can be with
It is or may not be physical unit, you can is located at a place or can also be distributed in multiple network element.It can
The purpose of this embodiment scheme is realized to select according to the actual needs some or all of module therein.This field is common
Technical staff is not in the case where paying performing creative labour, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It is realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on such understanding, on
Technical solution is stated substantially in other words to embody the part that the prior art contributes in the form of software product, it should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including several fingers
It enables and (can be personal computer, server or the network equipment etc.) so that computer equipment is used to perform each implementation
Method described in certain parts of example or embodiment.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the embodiment of the present invention rather than right
It is limited；Although the embodiment of the present invention is described in detail with reference to foregoing embodiments, the ordinary skill of this field
Personnel should understand that：It can still modify to the technical solution recorded in foregoing embodiments or to which part
Or all technical features carries out equivalent replacement；And these modifications or replacement, it does not separate the essence of the corresponding technical solution
The range of each embodiment technical solution of the embodiment of the present invention.
Claims (10)
1. a kind of configuration method of adjacent area suitable for eSRVCC switchings, which is characterized in that including：
Screening needs to carry out the global mobile communication system of wireless voice call continuity eSRVCC switchings in the range of current-configuration
GSM network of uniting wireless communication cell, wherein, the GSM network wireless communication cell for needing to carry out eSRVCC switchings is by working as
Long Term Evolution LTE network wireless communication cell in the range of preceding configuration is collectively covered with GSM network overlay area and position
In the cell of coverage edge；
Obtain the multidimensional data for being suitable for eSRVCC switchings；
The correlation factor of the eSRVCC switchings of each GSM network wireless communication cell is extracted in the multidimensional data, and according to this
Correlation factor, thresholding and weight calculation determine respectively to be suitable for the related coefficient of the GSM network wireless communication cell of eSRVCC switchings；
And it is filtered out the GSM network wireless communication cell respectively switched suitable for eSRVCC according to the related coefficient
In the GSM network wireless communication cell for being suitable for eSRVCC switchings of default switching adjacent area quantity threshold values, and to needing to carry out
The GSM network wireless communication cell of eSRVCC switchings be suitable for the neighbor cell configuration of eSRVCC switchings.
2. the according to the method described in claim 1, it is characterized in that, LTE network channel radio in the range of current-configuration
Screening needs to carry out the GSM network wireless communication cell of wireless voice call continuity eSRVCC switchings in letter cell, including：
In GSM network wireless communication cell in the range of current-configuration, eSRVCC switchings are occurred according to each wireless communication cell
The degree of correlation, screening obtain it is defined suitable for the current network that eSRVCC switches and generation correlating event GSM network without
GSM network wireless communication cell in line communication cell and undefined LTE overlay areas；
Wherein, the degree of correlation of each wireless communication cell generation eSRVCC switchings includes：GSM network wireless communication cell occurs
ESRVCC switching, different system IRAT switching or CSFB voice fallbacks communication event number, further include LTE network and GSM
Network is the same as covering or covering strong correlation region, road surface overlay area and road periphery depth overlay area.
3. according to the method described in claim 1, it is characterized in that, the multidimensional data includes：Basic work parameter evidence, different system
MR measurement data MRE, 4G-2G IRAT data, 2G/4G synchronize frequency sweep data, eSRVCC switch datas, CSFB fall after rise data and
2G switch datas.
4. according to the method described in claim 1, it is characterized in that, it is described extracted in the multidimensional data each GSM network without
The correlation factor of the eSRVCC switchings of line communication cell, including：
The correlation factor of the eSRVCC switchings of each GSM network wireless communication cell is extracted in the multidimensional data, by each correlation
The factor is matched with suitable for each GSM network wireless communication cell of eSRVCC switchings；
The threshold value and power of each correlation factor are set according to the GSM network wireless communication cell and the eSRVCC degree of correlation switched
Weight, and the weight of whole correlation factor and be 1.
5. according to the method described in claim 4, it is characterized in that, described determine respectively to be suitable for eSRVCC according to the correlation factor
The related coefficient of the GSM network wireless communication cell of switching, including：
According to the correlation factor, the threshold value of each correlation factor and weighted value, it is calculated and is respectively suitable for eSRVCC switchings
The related coefficient of GSM network wireless communication cell；
The GSM network wireless communication cell for being respectively suitable for eSRVCC switchings is ranked up from high to low by correlation coefficient value.
6. according to the method described in claim 1, it is characterized in that, described be respectively suitable for eSRVCC according to the related coefficient
It is filtered out in the GSM network wireless communication cell of switching and is suitable for what eSRVCC switched equal to default switching adjacent area quantity threshold values
GSM network wireless communication cell, and the GSM network wireless communication cell for needing to carry out eSRVCC switchings is suitable for
The neighbor cell configuration of eSRVCC switchings, including：
It suitable for the GSM network wireless communication cell of eSRVCC switchings, is filtering out and is being equal to after sorting by correlation coefficient value
The GSM network wireless communication cell suitable for eSRVCC switchings of default switching adjacent area quantity threshold values；
To the GSM network wireless communication cell for carrying out eSRVCC switchings is needed be suitable for the neighbor cell configuration of eSRVCC switchings.
7. a kind of configuration device of adjacent area suitable for eSRVCC switchings, which is characterized in that including：
Suitable for the GSM network wireless communication cell screening module of eSRVCC switchings, needed for being screened in the range of current-configuration
The global system for mobile communications GSM network wireless communication cell of wireless voice call continuity eSRVCC switchings is carried out, wherein,
The GSM network wireless communication cell for needing to carry out eSRVCC switchings is by the Long Term Evolution in the range of current-configuration
Cell that is that LTE network wireless communication cell is collectively covered with GSM network overlay area and being positioned over volume edges；
Multidimensional data acquisition module, for obtaining the multidimensional data for being suitable for eSRVCC switchings；
Related coefficient determining module, the eSRVCC for extracting each GSM network wireless communication cell in the multidimensional data are cut
The correlation factor changed, and according to the correlation factor, thresholding and weight calculation determine respectively be suitable for eSRVCC switch GSM network without
The related coefficient of line communication cell；
Suitable for the neighbor cell configuration module of eSRVCC switchings, for being respectively suitable for what eSRVCC switched according to the related coefficient
The GSM nets for being suitable for eSRVCC switchings equal to default switching adjacent area quantity threshold values are filtered out in GSM network wireless communication cell
Network wireless communication cell, and the GSM network wireless communication cell for needing to carry out eSRVCC switchings cut suitable for eSRVCC
The neighbor cell configuration changed.
8. device according to claim 7, which is characterized in that the GSM network channel radio suitable for eSRVCC switchings
Letter cell screening module includes：
GSM network wireless communication cell screening unit, in the GSM network wireless communication cell in the range of current-configuration,
The degree of correlation of eSRVCC switchings occurs according to each wireless communication cell, screening is obtained suitable for the current network that eSRVCC switches
GSM network in GSM network wireless communication cell that is defined and generating correlating event and undefined LTE overlay areas
Wireless communication cell；
Wherein, the degree of correlation of each wireless communication cell generation eSRVCC switchings includes：What wireless communication cell occurred
The number of the communication event of eSRVCC switchings, different system IRAT switchings or CSFB voice fallbacks, further includes LTE network and GSM nets
Network is the same as covering or covering strong correlation region, road surface overlay area and road periphery depth overlay area.
9. device according to claim 7, which is characterized in that the related coefficient determining module includes：
Correlation factor is extracted and matching unit, for extracting each GSM network wireless communication cell in the multidimensional data group
Correlation factor matches each correlation factor with suitable for each GSM network wireless communication cell of eSRVCC switchings；
Thresholding and weight setting unit, for being set according to the GSM network wireless communication cell and the eSRVCC degrees of correlation switched
Put the threshold value and weight of each correlation factor, and the weight of whole correlation factors and be 1；
Related coefficient acquiring unit, for according to the correlation factor, the threshold value of each correlation factor and weighted value, being calculated
Respectively it is suitable for the related coefficient of the GSM network wireless communication cell of eSRVCC switchings；
Suitable for the GSM network wireless communication cell sequencing unit of eSRVCC switchings, for will respectively be suitable for eSRVCC switchings
GSM network wireless communication cell is ranked up from high to low by correlation coefficient value.
10. device according to claim 7, which is characterized in that the neighbor cell configuration module suitable for eSRVCC switchings
Including：
Suitable for the GSM network wireless communication cell acquiring unit of eSRVCC switchings, for after sorting by correlation coefficient value
Suitable for the GSM network wireless communication cell of eSRVCC switchings, filter out described equal to default switching adjacent area quantity threshold values
Suitable for the GSM network wireless communication cell of eSRVCC switchings；
The neighbor cell configuration unit of progress eSRVCC switchings is needed, for the GSM network channel radio to needing progress eSRVCC switchings
Letter cell be suitable for the neighbor cell configuration of eSRVCC switchings.
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