CN103458473B - A kind of neighbor cell optimizing method and Neighborhood Optimization device - Google Patents
A kind of neighbor cell optimizing method and Neighborhood Optimization device Download PDFInfo
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Abstract
A kind of method that the invention discloses Neighborhood Optimization, including: obtain the distance parameter of each adjacent area adjacent with Target cell, the NAVSS algorithm weights value of described adjacent area, described Target cell and the position relationship parameter of each adjacent area, NCS report data, the average level value of described each adjacent area of described each adjacent area；Report, with the NCS of the position relationship parameter of adjacent area, described each adjacent area, the priority level that data, the average level value of described each adjacent area determine each adjacent area adjacent with described Target cell with the distance parameter of described adjacent area, described Target cell according to Target cell；NAVSS algorithm weights value according to described adjacent area generates the correction weighted value corresponding with described adjacent area；Priority level and described correction weighted value according to described each adjacent area generate adjacent area list；To the interpolation of described Target cell and/or adjacent area is deleted according to described adjacent area list and optimisation strategy set in advance.Implement the present invention, can preferably realize the switching of wireless communication procedure small area.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of neighbor cell optimizing method and Neighborhood Optimization device.
Background technology
Quickly growing of current mobile communications technology, mobile communication is widely used in daily life, along with being on the increase of mobile station, when mobile station moves to another community from a community (referring to the coverage of base station or base station), for keeping the communication of not interrupting of mobile subscriber to need to carry out channel switching, the most successfully and complete community switching quickly, become the key ensureing communication quality.
By Target cell and the opening relationships of multiple adjacent areas in prior art, thus can realize the switching of Target cell and adjacent area, but the adjacent area of Target cell is numerous, now the most still cannot realize Target cell and optimum adjacent area opening relationships, thus affect the switching of mobile station, make troubles for user.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, it is provided that the method and device of a kind of Neighborhood Optimization, is primarily implemented in adjacent area in mobile communication and adds or delete more rationally, makes signal of communication more stable when switching between different districts.
For reaching above-mentioned technique effect, a kind of method that the invention provides Neighborhood Optimization, including:
Obtain the distance parameter of each adjacent area adjacent with Target cell, the NAVSS algorithm weights value of described adjacent area, described Target cell and the position relationship parameter of each adjacent area, NCS report data, the average level value of described each adjacent area of described each adjacent area；
Report, with the NCS of the position relationship parameter of adjacent area, described each adjacent area, the priority level that data, the average level value of described each adjacent area determine each adjacent area adjacent with described Target cell with the distance parameter of described adjacent area, described Target cell according to Target cell；
NAVSS algorithm weights value according to described adjacent area generates the correction weighted value corresponding with described adjacent area；
Priority level and described correction weighted value according to described each adjacent area generate adjacent area list；
To the interpolation of described Target cell and/or adjacent area is deleted according to described adjacent area list and optimisation strategy set in advance.
More excellent, obtain the distance parameter of each adjacent area adjacent with Target cell, the NAVSS algorithm weights value of described adjacent area, the NCS of described Target cell and the position relationship parameter of each adjacent area, described each adjacent area report that the step of average level value of data, described each adjacent area includes:
The coordinate of coordinate according to described target cell base station and the base station of the adjacent area adjacent with described Target cell calculates the distance of described Target cell and each described adjacent area；
Coordinate system is rotated the new coordinate to the line between the coordinate points using the coordinate points of described Target cell and described adjacent area as X-axis, when the azimuth of described Target cell is within described adjacent area ± 60 °, and described adjacent area deflection is within described Target cell ± 90 °, or when the azimuth of described adjacent area is within described Target cell ± 60 °, and described Target cell deflection is within described adjacent area ± 90 ° time, described Target cell and described adjacent area are air exercise community
Otherwise, described Target cell and described adjacent area are Bei Da community；
The NAVSS algorithm weights value of described adjacent area is calculated according to NAVSS algorithm；
The NCS obtaining described each adjacent area reports data；
Obtain the average level value of described each adjacent area.
More excellent, the step generating the correction weighted value corresponding with described adjacent area according to the NAVSS algorithm weights value of described adjacent area includes:
Judging whether described Target cell exists Shi Fen community in either one community Chinese name in described adjacent area, it is judged that during for being, if the relation of described target adjacent area and described neighboring interval is " Defined ", weighted value=0 is revised in described adjacent area；If described target adjacent area is " Undefined " with the relation of described neighboring interval, weighted value=9999999999 are revised in described adjacent area,
When being judged as NO, the correction weighted value of described adjacent area is equal to described NAVSS algorithm weights value+10Priority of adjacent domain +1。
More excellent, include according to the priority level of described each adjacent area and the step of described correction weighted value generation adjacent area list:
Priority level according to each described adjacent area is by from high to low order arrangement；
Same priority in described Target cell with frequency adjacent area according to described correction weighted value to carry out adjacent area ranking from little to big order,
Same priority in the adjacent area of described Target cell alien frequencies according to described correction weighted value to carry out adjacent area ranking from little to big order.
More excellent, to the interpolation of described Target cell and/or delete that the step of adjacent area includes according to described adjacent area list and optimisation strategy set in advance:
Obtain the homogeneous-frequency adjacent-domain ranking of the adjacent area of frequency same with described Target cell, when the described homogeneous-frequency adjacent-domain ranking of described Target cell and described adjacent area is respectively less than and presets once interpolation co-frequency cell value, it is set to mutually once add homogeneous-frequency adjacent-domain by described Target cell and described adjacent area；
The alien frequencies adjacent area ranking of the adjacent area of acquisition and described Target cell alien frequencies, when the described alien frequencies adjacent area ranking of described Target cell and described adjacent area is respectively less than and presets once interpolation alien-frequency district value, it is set to mutually once add alien frequencies adjacent area by described Target cell and described adjacent area；
Other adjacent area once adding homogeneous-frequency adjacent-domain or an alien frequencies adjacent area described in not being set to is carried out adjacent area secondary and adds ranking；
The difference of adjacent area number is the most once added less than or equal to default total adjacent area interpolation number and described adjacent area when described adjacent area secondary adds ranking, and the secondary of described Target cell adds ranking when adding, less than or equal to the total adjacent area preset, the difference that number the most once adds homogeneous-frequency adjacent-domain number with described adjacent area, described Target cell and described adjacent area are set to secondary mutually and add adjacent area
It is that described adjacent area is once added homogeneous-frequency adjacent-domain number and once adds alien frequencies adjacent area number sum that adjacent area number is the most once added in described adjacent area；
The difference of adjacent area number is the most once added more than default total adjacent area interpolation number and described adjacent area when described adjacent area secondary adds ranking, and the secondary of described Target cell adds ranking and adds number and described adjacent area more than the total adjacent area preset and the most once add the difference of homogeneous-frequency adjacent-domain number, and the relation of described Target cell and described adjacent area is when be " Undefined ", described Target cell is set to mutually with described adjacent area deletion adjacent area.
Accordingly, present invention also offers a kind of Neighborhood Optimization device, including:
Neighboring BS information acquiring unit, for obtaining the distance parameter of each adjacent area, the NAVSS algorithm weights value of described adjacent area, described Target cell and the position relationship parameter of each adjacent area, NCS report data, the average level value of described each adjacent area of described each adjacent area adjacent with Target cell；
Priority of adjacent domain does not determine unit, for reporting, with the NCS of the position relationship parameter of adjacent area, described each adjacent area, the priority level that data, the average level value of described each adjacent area determine each adjacent area adjacent with described Target cell with the distance parameter of described adjacent area, described Target cell according to Target cell；
Weighted value signal generating unit is revised in adjacent area, generates the correction weighted value corresponding with described adjacent area for the NAVSS algorithm weights value according to described adjacent area；
Adjacent area list signal generating unit, generates adjacent area list for the priority level according to described each adjacent area and described correction weighted value；
Neighborhood Optimization unit, for the interpolation of described Target cell and/or deleting adjacent area according to described adjacent area list and optimisation strategy set in advance.
More excellent, described neighboring BS information acquiring unit includes:
Metrics calculation unit, the coordinate for the coordinate according to described target cell base station and the base station of the adjacent area adjacent with described Target cell calculates the distance of described Target cell and each described adjacent area；
Position relationship determines unit, for coordinate system being rotated the new coordinate to the line between the coordinate points using the coordinate points of described Target cell and described adjacent area as X-axis, when the azimuth of described Target cell is within described adjacent area ± 60 °, and described adjacent area deflection is within described Target cell ± 90 °, or when the azimuth of described adjacent area is within described Target cell ± 60 °, and described Target cell deflection is within described adjacent area ± 90 ° time, described Target cell and described adjacent area are air exercise community
Otherwise, described Target cell and described adjacent area are Bei Da community；
NAVSS computing unit, for calculating the NAVSS algorithm weights value of described adjacent area according to NAVSS algorithm；
NCS data capture unit, reports data for obtaining the NCS of described each adjacent area；
Level value acquiring unit, for obtaining the average level value of described each adjacent area.
More excellent, described adjacent area is revised weighted value signal generating unit and is included:
Judging unit, is used for judging whether described Target cell exists Shi Fen community in either one community Chinese name in described adjacent area, it is judged that during for being, if the relation of described target adjacent area and described neighboring interval is " Defined ", weighted value=0 is revised in described adjacent area；If described target adjacent area is " Undefined " with the relation of described neighboring interval, weighted value=9999999999 are revised in described adjacent area,
When being judged as NO, the correction weighted value of described adjacent area is equal to described NAVSS algorithm weights value+10Priority of adjacent domain +1。
More excellent, described adjacent area list signal generating unit includes:
Priority arrangement unit, for the priority level according to each described adjacent area by from high to low order arrangement；
Homogeneous-frequency adjacent-domain ranking unit, is used for the adjacent area according to the interior frequency same with described Target cell of same priority according to described correction weighted value to carry out homogeneous-frequency adjacent-domain ranking from little to big order,
Alien frequencies adjacent area ranking unit, for according to same priority in the adjacent area of described Target cell alien frequencies according to described correction weighted value to carry out alien frequencies adjacent area ranking from little to big order.
More excellent, described Neighborhood Optimization unit includes:
Once add homogeneous-frequency adjacent-domain unit, for obtaining the homogeneous-frequency adjacent-domain ranking of the adjacent area of frequency same with described Target cell, when the described homogeneous-frequency adjacent-domain ranking of described Target cell and described adjacent area is respectively less than and presets once interpolation co-frequency cell value, it is set to mutually once add homogeneous-frequency adjacent-domain by described Target cell and described adjacent area；
Once add alien frequencies adjacent area unit, for obtaining the alien frequencies adjacent area ranking of the adjacent area with described Target cell alien frequencies, when the described alien frequencies adjacent area ranking of described Target cell and described adjacent area is respectively less than and presets once interpolation alien-frequency district value, it is set to mutually once add alien frequencies adjacent area by described Target cell and described adjacent area；
Secondary adds ranking unit, adds ranking for other adjacent area once adding homogeneous-frequency adjacent-domain or an alien frequencies adjacent area described in not being set to carries out adjacent area secondary；
Secondary adds adjacent area unit, for the most once adding the difference of adjacent area number less than or equal to default total adjacent area interpolation number and described adjacent area when described adjacent area secondary adds ranking, and the secondary of described Target cell adds ranking when adding, less than or equal to the total adjacent area preset, the difference that number the most once adds homogeneous-frequency adjacent-domain number with described adjacent area, described Target cell and described adjacent area are set to secondary mutually and add adjacent area
It is that described adjacent area is once added homogeneous-frequency adjacent-domain number and once adds alien frequencies adjacent area number sum that adjacent area number is the most once added in described adjacent area；
Unit is deleted in adjacent area, for the most once adding the difference of adjacent area number more than default total adjacent area interpolation number and described adjacent area when described adjacent area secondary adds ranking, and the secondary of described Target cell adds ranking and adds number and described adjacent area more than the total adjacent area preset and the most once add the difference of homogeneous-frequency adjacent-domain number, and the relation of described Target cell and described adjacent area is when be " Undefined ", described Target cell is set to mutually with described adjacent area deletion adjacent area.
Enforcement there is advantages that
The present invention distance by neighboring interval, NAVSS algorithm weights value, and the priority of the position relationship parameter determination adjacent area of neighboring interval, and the ranking of each adjacent area in determining same priority according to revised weighted value, form adjacent area list, described adjacent area list combines the optimisation strategy preset to be added Target cell and/or deletes adjacent area, neighboring interval two-way choice can be realized, and the higher adjacent area of priority will preferentially be added, make Target cell realize more optimization in adjacent area during adding or deleting to process, ensure success rate and the stability of the switching of communication small area, decrease switching call drop, improve speech quality and user satisfaction.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the embodiment of the method for a kind of Neighborhood Optimization of the present invention；
Fig. 2 is the idiographic flow schematic diagram of the embodiment of the method for a kind of Neighborhood Optimization of the present invention；
Fig. 3 is the structural representation of the present invention a kind of Neighborhood Optimization device；
Fig. 4 is the concrete structure schematic diagram of neighboring BS information acquiring unit in Fig. 3；
Fig. 5 is the concrete structure schematic diagram that in Fig. 3, weighted value signal generating unit is revised in adjacent area；
Fig. 6 is the concrete structure schematic diagram of adjacent area list signal generating unit in Fig. 3；
Fig. 7 is the concrete structure schematic diagram of Neighborhood Optimization unit in Fig. 3.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is made more excellent ground and describe in detail.
Fig. 1 is the schematic flow sheet of the embodiment of the method for a kind of Neighborhood Optimization of the present invention, including:
100, the distance parameter of each adjacent area, the NAVSS algorithm weights value of described adjacent area, described Target cell and the position relationship parameter of each adjacent area, the NCS(Neighbouring of described each adjacent area adjacent with Target cell is obtained
Cell Support, adjacent area support module) report data, the average level value of described each adjacent area.
The coordinate of coordinate according to described target cell base station and the base station of the adjacent area adjacent with described Target cell calculates the distance of described Target cell and each described adjacent area.
Concrete, according to the earth distance that Pythagorean theorem and longitude and latitude are corresponding, due to base station distance generally at about 1km, calculate for simplifying, the impact of earth radian can not be considered.
As a example by two adjacent cells, including A community and B community, computational methods are:
Distance=sqrt ((Y1-Y2) ^2+ (X1-X2) ^2) * 111.31955
Wherein (X1, Y1) (X2, Y2) be respectively A cell base station longitude and latitude with and the longitude and latitude of B cell base station, longitude and latitude uses the fractional representation in units of degree, and the base area radius of a ball calculates the number of degrees, the often corresponding 111.31955KM of degree.
Coordinate system is rotated the new coordinate to the line between the coordinate points using the coordinate points of described Target cell and described adjacent area as X-axis, when the azimuth of described Target cell is within described adjacent area ± 60 °, and described adjacent area deflection is within described Target cell ± 90 °, or when the azimuth of described adjacent area is within described Target cell ± 60 °, and described Target cell deflection is within described adjacent area ± 90 ° time, described Target cell and described adjacent area are air exercise community
Otherwise, described Target cell and described adjacent area are Bei Da community；
The NAVSS algorithm weights value of described adjacent area is calculated according to NAVSS algorithm.
Concrete, Cell level is weighted a relatively large coefficient.
Computational methods:
NAVSS algorithm weights value
=(NAVSS1*TIMES1*6+NAVSS2*TIMES2*5+NAVSS3*TIMES3*4+NAVSS4*TIMES4*3+NAVSS5*TIMES5*2+NAVSS6*TIMES6)/(TIMES1*6+TIMES2*5+TIMES3*4+TIMES4*3+TIMES5*2+TIMES6)。
Wherein, average signal strength when NAVSS1 is to ranked first during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS2 is to ranked second during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS3 is to ranked third during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS4 is to ranked fourth during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS5 is to ranked fifth during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS6 is to ranked sixth during the last six of entrance adjacent area, adjacent area；
TIMES1 is that neighboring area signal intensity arranges the primary number of times of the last six, TIMES2 is that neighboring area signal intensity arranges the deputy number of times of the last six, TIMES3 is the number of times that neighboring area signal intensity arranges the last six the 3rd, TIMES4 is the number of times that neighboring area signal intensity arranges the last six the 4th, TIMES5 is the number of times that neighboring area signal intensity arranges the last six the 5th, and TIMES6 is the number of times that neighboring area signal intensity arranges the last six the 6th.
101, report, with the NCS of the position relationship parameter of adjacent area, described each adjacent area, the priority level that data, the average level value of described each adjacent area determine each adjacent area adjacent with described Target cell with the distance parameter of described adjacent area, described Target cell according to Target cell.
The preferred priority of adjacent domain of the present invention divides 7 grades.
0 grade: Target cell and adjacent area neighbouring relations are Defined, and adjacent area is that sky (cannot find BCCH(Broadcast Control Channel, BCCH) &BSIC(Base Station Identity Code, base station identity code) corresponding community), or station spacing is 0.
1 grade: Target cell and adjacent area station spacing<1KM, and NCS report data>=200 times, NAVSS algorithm weights value>=-90dBm.
2 grades: Target cell and adjacent area station spacing>=1KM, and<5KM, fight each other in azimuth, and NCS reports data>=200 times, NAVSS algorithm weights value>=-90dBm.
3 grades: Target cell and adjacent area station spacing>=5KM, and<10KM, fight each other in azimuth, and NCS reports data>=200 times, NAVSS algorithm weights value>=-90dBm.
4 grades: Target cell and adjacent area station spacing>=1KM, and<3KM, the azimuth back of the body is beaten, and NCS reports data>=200 times, NAVSS algorithm weights value>=-90dBm.
5 grades: Target cell and adjacent area station spacing >=10KM, or station spacing >=3KM, and the azimuth back of the body beats.
6 grades: Target cell and community, adjacent area and adjacent area neighbouring relations are Undefined, and adjacent area be sky (cannot find community corresponding for BCCH&BSIC).
Also, it should be noted Neighborhood Optimization is not related to Shi Fen community in the present invention, if adjacent area has a Fang Shishifen community, if this adjacent area is Defined type, do not delete；If adjacent area is Undefined, the most do not consider to add.
102, the correction weighted value corresponding with described adjacent area is generated according to the NAVSS algorithm weights value of described adjacent area.
Specifically, judge whether described Target cell exists Shi Fen community in either one community Chinese name in described adjacent area, it is judged that during for being, if the relation of described target adjacent area and described neighboring interval is " Defined ", weighted value=0 is revised in described adjacent area；If described target adjacent area is " Undefined " with the relation of described neighboring interval, weighted value=9999999999 are revised in described adjacent area,
When being judged as NO, weighted value is revised equal to described NAVSS algorithm weights value+10 in described adjacent areaPriority of adjacent domain +1。
103, adjacent area list is generated according to the NAVSS algorithm weights value of each adjacent area after the priority level of described each adjacent area and described correction.
Priority level according to each described adjacent area is by from high to low order arrangement.
Same priority in described Target cell with frequency adjacent area according to described correction weighted value to carry out homogeneous-frequency adjacent-domain ranking from little to big order, concrete, homogeneous-frequency adjacent-domain ranking: if weighted value=9999999999 are revised in adjacent area, then ranking=9999, homogeneous-frequency adjacent-domain, if adjacent area is to for homogeneous-frequency adjacent-domain, then start to progressively increase from 1；If alien frequencies adjacent area, then ranking keeps constant, if first, then homogeneous-frequency adjacent-domain ranking is designated as 0.
Same priority in the adjacent area of described Target cell alien frequencies according to described correction weighted value to carry out alien frequencies adjacent area ranking from little to big order, concrete, alien frequencies adjacent area ranking: if weighted value=9999999999 are revised in adjacent area, then ranking=9999, alien frequencies adjacent area, if adjacent area is to for alien frequencies adjacent area, then start to progressively increase from 1；If homogeneous-frequency adjacent-domain, then ranking keeps constant, if first, then alien frequencies adjacent area ranking is designated as 0.
104, to the interpolation of described Target cell and/or adjacent area is deleted according to described adjacent area list and optimisation strategy set in advance.
Concrete, obtain the homogeneous-frequency adjacent-domain ranking of the adjacent area of frequency same with described Target cell, when the described homogeneous-frequency adjacent-domain ranking of described Target cell and described adjacent area is respectively less than and presets once interpolation co-frequency cell value, it is set to mutually once add homogeneous-frequency adjacent-domain by described Target cell and described adjacent area；
The alien frequencies adjacent area ranking of the adjacent area of acquisition and described Target cell alien frequencies, when the described alien frequencies adjacent area ranking of described Target cell and described adjacent area is respectively less than and presets once interpolation alien-frequency district value, it is set to mutually once add alien frequencies adjacent area by described Target cell and described adjacent area；
Other adjacent area once adding homogeneous-frequency adjacent-domain or an alien frequencies adjacent area described in not being set to is carried out adjacent area secondary and adds ranking,
The difference of adjacent area number is the most once added less than or equal to default total adjacent area interpolation number and described adjacent area when described adjacent area secondary adds ranking, and the secondary of described Target cell adds ranking when adding, less than or equal to the total adjacent area preset, the difference that number the most once adds homogeneous-frequency adjacent-domain number with described adjacent area, described Target cell and described adjacent area are set to secondary mutually and add adjacent area
It is that described adjacent area is once added homogeneous-frequency adjacent-domain number and once adds alien frequencies adjacent area number sum that adjacent area number is the most once added in described adjacent area,
The difference of adjacent area number is the most once added more than default total adjacent area interpolation number and described adjacent area when described adjacent area secondary adds ranking, and the secondary of described Target cell adds ranking and adds number and described adjacent area more than the total adjacent area preset and the most once add the difference of homogeneous-frequency adjacent-domain number, and the relation of described Target cell and described adjacent area is when be " Undefined ", described Target cell is set to mutually with described adjacent area deletion adjacent area.
Fig. 2 is the idiographic flow schematic diagram of the embodiment of the method for a kind of Neighborhood Optimization of the present invention, including:
200, the coordinate according to the coordinate of described target cell base station and the base station of the adjacent area adjacent with described Target cell calculates the distance of described Target cell and each described adjacent area.
Concrete, according to the earth distance that Pythagorean theorem and longitude and latitude are corresponding, due to base station distance generally at about 1km, calculate for simplifying, the impact of earth radian can not be considered.
As a example by two adjacent cells, including A community and B community, computational methods are:
Distance=sqrt ((Y1-Y2) ^2+ (X1-X2) ^2) * 111.31955
Wherein (X1, Y1) (X2, Y2) be respectively A cell base station longitude and latitude with and the longitude and latitude of B cell base station, longitude and latitude uses the fractional representation in units of degree, and the base area radius of a ball calculates the number of degrees, the often corresponding 111.31955KM of degree.
201, coordinate system is rotated the new coordinate to the line between the coordinate points using the coordinate points of described Target cell and described adjacent area as X-axis, when the azimuth of described Target cell is within described adjacent area ± 60 °, and described adjacent area deflection is within described Target cell ± 90 °, or when the azimuth of described adjacent area is within described Target cell ± 60 °, and described Target cell deflection is within described adjacent area ± 90 ° time, described Target cell and described adjacent area are air exercise community
Otherwise, described Target cell and described adjacent area are Bei Da community.
202, the NAVSS algorithm weights value of described adjacent area is calculated according to NAVSS algorithm.
Concrete, Cell level is weighted a relatively large coefficient.
Computational methods:
NAVSS algorithm weights value
=(NAVSS1*TIMES1*6+NAVSS2*TIMES2*5+NAVSS3*TIMES3*4+NAVSS4*TIMES4*3+NAVSS5*TIMES5*2+NAVSS6*TIMES6)/(TIMES1*6+TIMES2*5+TIMES3*4+TIMES4*3+TIMES5*2+TIMES6)。
Wherein, average signal strength when NAVSS1 is to ranked first during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS2 is to ranked second during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS3 is to ranked third during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS4 is to ranked fourth during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS5 is to ranked fifth during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS6 is to ranked sixth during the last six of entrance adjacent area, adjacent area；
TIMES1 is that neighboring area signal intensity arranges the primary number of times of the last six, TIMES2 is that neighboring area signal intensity arranges the deputy number of times of the last six, TIMES3 is the number of times that neighboring area signal intensity arranges the last six the 3rd, TIMES4 is the number of times that neighboring area signal intensity arranges the last six the 4th, TIMES5 is the number of times that neighboring area signal intensity arranges the last six the 5th, and TIMES6 is the number of times that neighboring area signal intensity arranges the last six the 6th.
203, the NCS obtaining described each adjacent area reports data.
204, the average level value of described each adjacent area is obtained.
It should be noted that there is no the precedence relationship of certainty between 201 to 204 steps.
205, report, with the NCS of the position relationship parameter of adjacent area, described each adjacent area, the priority level that data, the average level value of described each adjacent area determine each adjacent area adjacent with described Target cell with the distance parameter of described adjacent area, described Target cell according to Target cell.
The preferred priority of adjacent domain of the present invention divides 7 grades.
0 grade: Target cell and adjacent area neighbouring relations are Defined, and adjacent area be sky (cannot find community corresponding for BCCH&BSIC), or station spacing is 0.
1 grade: Target cell and adjacent area station spacing<1KM, and NCS report data>=200 times, NAVSS algorithm weights value>=-90dBm.
2 grades: Target cell and adjacent area station spacing>=1KM, and<5KM, fight each other in azimuth, and NCS reports data>=200 times, NAVSS algorithm weights value>=-90dBm.
3 grades: Target cell and adjacent area station spacing>=5KM, and<10KM, fight each other in azimuth, and NCS reports data>=200 times, NAVSS algorithm weights value>=-90dBm.
4 grades: Target cell and adjacent area station spacing>=1KM, and<3KM, the azimuth back of the body is beaten, and NCS reports data>=200 times, NAVSS algorithm weights value>=-90dBm.
5 grades: Target cell and adjacent area station spacing >=10KM, or station spacing >=3KM, and the azimuth back of the body beats.
6 grades: Target cell and community, adjacent area and adjacent area neighbouring relations are Undefined, and adjacent area be sky (cannot find community corresponding for BCCH&BSIC).
Also, it should be noted Neighborhood Optimization is not related to Shi Fen community in the present invention, if adjacent area has a Fang Shishifen community, if this adjacent area is Defined type, do not delete；If adjacent area is Undefined, the most do not consider to add.
206, judging whether described Target cell exists Shi Fen community in either one community Chinese name in described adjacent area, it is judged that during for being, if the relation of described target adjacent area and described neighboring interval is " Defined ", weighted value=0 is revised in described adjacent area；If described target adjacent area is " Undefined " with the relation of described neighboring interval, weighted value=9999999999 are revised in described adjacent area,
When being judged as NO, weighted value is revised equal to described NAVSS algorithm weights value+10 in described adjacent areaPriority of adjacent domain +1。
207, arrange by from high to low order according to the priority level of each described adjacent area.
208, same priority in described Target cell with frequency adjacent area according to described correction weighted value to carry out homogeneous-frequency adjacent-domain ranking from little to big order.
Concrete, homogeneous-frequency adjacent-domain ranking: if weighted value=9999999999, then ranking=9999, homogeneous-frequency adjacent-domain are revised in adjacent area, if adjacent area is to for homogeneous-frequency adjacent-domain, then start to progressively increase from 1；If alien frequencies adjacent area, then ranking keeps constant, if first, then homogeneous-frequency adjacent-domain ranking is designated as 0.
209, same priority in the adjacent area of described Target cell alien frequencies according to described correction weighted value to carry out alien frequencies adjacent area ranking from little to big order.
Concrete, alien frequencies adjacent area ranking: if weighted value=9999999999, then ranking=9999, alien frequencies adjacent area are revised in adjacent area, if adjacent area is to for alien frequencies adjacent area, then start to progressively increase from 1；If homogeneous-frequency adjacent-domain, then ranking keeps constant, if first, then alien frequencies adjacent area ranking is designated as 0.
It should be noted that without inevitable precedence relationship between 208 and 209 steps.
210, the homogeneous-frequency adjacent-domain ranking of the adjacent area of frequency same with described Target cell is obtained, when the described homogeneous-frequency adjacent-domain ranking of described Target cell and described adjacent area is respectively less than and presets once interpolation co-frequency cell value, it is set to mutually once add homogeneous-frequency adjacent-domain by described Target cell and described adjacent area.
211, the alien frequencies adjacent area ranking of the adjacent area of acquisition and described Target cell alien frequencies, when the described alien frequencies adjacent area ranking of described Target cell and described adjacent area is respectively less than and presets once interpolation alien-frequency district value, it is set to mutually once add alien frequencies adjacent area by described Target cell and described adjacent area.
212, other adjacent area once adding homogeneous-frequency adjacent-domain or an alien frequencies adjacent area described in not being set to is carried out adjacent area secondary and add ranking.
213, the difference of adjacent area number is the most once added less than or equal to default total adjacent area interpolation number and described adjacent area when described adjacent area secondary adds ranking, and the secondary of described Target cell adds ranking when adding, less than or equal to the total adjacent area preset, the difference that number the most once adds homogeneous-frequency adjacent-domain number with described adjacent area, described Target cell and described adjacent area are set to mutually secondary interpolation adjacent area.
It is that described adjacent area is once added homogeneous-frequency adjacent-domain number and once adds alien frequencies adjacent area number sum that adjacent area number is the most once added in described adjacent area.
214, the difference of adjacent area number is the most once added more than default total adjacent area interpolation number and described adjacent area when described adjacent area secondary adds ranking, and the secondary of described Target cell adds ranking and adds number and described adjacent area more than the total adjacent area preset and the most once add the difference of homogeneous-frequency adjacent-domain number, and the relation of described Target cell and described adjacent area is when be " Undefined ", described Target cell is set to mutually with described adjacent area deletion adjacent area.
It should be noted that without inevitable precedence relationship between step 214 and other step.
Fig. 3 is the structural representation of the present invention a kind of Neighborhood Optimization device 6, including:
Neighboring BS information acquiring unit 1, for obtaining the distance parameter of each adjacent area, the NAVSS algorithm weights value of described adjacent area, described Target cell and the position relationship parameter of each adjacent area, NCS report data, the average level value of described each adjacent area of described each adjacent area adjacent with Target cell.
Priority of adjacent domain does not determine unit 2, for reporting, with the NCS of the position relationship parameter of adjacent area, described each adjacent area, the priority level that data, the average level value of described each adjacent area determine each adjacent area adjacent with described Target cell with the distance parameter of described adjacent area, described Target cell according to Target cell.
The preferred priority of adjacent domain of the present invention divides 7 grades.
0 grade: Target cell and adjacent area neighbouring relations are Defined, and adjacent area be sky (cannot find community corresponding for BCCH&BSIC), or station spacing is 0.
1 grade: Target cell and adjacent area station spacing<1KM, and NCS report data>=200 times, NAVSS algorithm weights value>=-90dBm.
2 grades: Target cell and adjacent area station spacing>=1KM, and<5KM, fight each other in azimuth, and NCS reports data>=200 times, NAVSS algorithm weights value>=-90dBm.
3 grades: Target cell and adjacent area station spacing>=5KM, and<10KM, fight each other in azimuth, and NCS reports data>=200 times, NAVSS algorithm weights value>=-90dBm.
4 grades: Target cell and adjacent area station spacing>=1KM, and<3KM, the azimuth back of the body is beaten, and NCS reports data>=200 times, NAVSS algorithm weights value>=-90dBm.
5 grades: Target cell and adjacent area station spacing >=10KM, or station spacing >=3KM, and the azimuth back of the body beats.
6 grades: Target cell and community, adjacent area and adjacent area neighbouring relations are Undefined, and adjacent area be sky (cannot find community corresponding for BCCH&BSIC).
Also, it should be noted Neighborhood Optimization is not related to Shi Fen community in the present invention, if adjacent area has a Fang Shishifen community, if this adjacent area is Defined type, do not delete；If adjacent area is Undefined, the most do not consider to add.
Weighted value signal generating unit 3 is revised in adjacent area, generates the correction weighted value corresponding with described adjacent area for the NAVSS algorithm weights value according to described adjacent area.
Adjacent area list signal generating unit 4, generates adjacent area list for the priority level according to described each adjacent area and described correction weighted value.
Neighborhood Optimization unit 5, for the interpolation of described Target cell and/or deleting adjacent area according to described adjacent area list and optimisation strategy set in advance.
Fig. 4 is the concrete structure schematic diagram of neighboring BS information acquiring unit 1 in Fig. 3, including:
Metrics calculation unit 11, the coordinate for the coordinate according to described target cell base station and the base station of the adjacent area adjacent with described Target cell calculates the distance of described Target cell and each described adjacent area.
Concrete, according to the earth distance that Pythagorean theorem and longitude and latitude are corresponding, due to base station distance generally at about 1km, calculate for simplifying, the impact of earth radian can not be considered.
As a example by two adjacent cells, including A community and B community, computational methods are:
Distance=sqrt ((Y1-Y2) ^2+ (X1-X2) ^2) * 111.31955
Wherein (X1, Y1) (X2, Y2) be respectively A cell base station longitude and latitude with and the longitude and latitude of B cell base station, longitude and latitude uses the fractional representation in units of degree, and the base area radius of a ball calculates the number of degrees, the often corresponding 111.31955KM of degree.
Position relationship determines unit 12, for coordinate system being rotated the new coordinate to the line between the coordinate points using the coordinate points of described Target cell and described adjacent area as X-axis, when the azimuth of described Target cell is within described adjacent area ± 60 °, and described adjacent area deflection is within described Target cell ± 90 °, or when the azimuth of described adjacent area is within described Target cell ± 60 °, and described Target cell deflection is within described adjacent area ± 90 ° time, described Target cell and described adjacent area are air exercise community
Otherwise, described Target cell and described adjacent area are Bei Da community.
NAVSS computing unit 13, for calculating the NAVSS algorithm weights value of described adjacent area according to NAVSS algorithm.
Concrete, Cell level is weighted a relatively large coefficient.
Computational methods:
NAVSS algorithm weights value
=(NAVSS1*TIMES1*6+NAVSS2*TIMES2*5+NAVSS3*TIMES3*4+NAVSS4*TIMES4*3+NAVSS5*TIMES5*2+NAVSS6*TIMES6)/(TIMES1*6+TIMES2*5+TIMES3*4+TIMES4*3+TIMES5*2+TIMES6)。
Wherein, average signal strength when NAVSS1 is to ranked first during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS2 is to ranked second during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS3 is to ranked third during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS4 is to ranked fourth during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS5 is to ranked fifth during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS6 is to ranked sixth during the last six of entrance adjacent area, adjacent area；
TIMES1 is that neighboring area signal intensity arranges the primary number of times of the last six, TIMES2 is that neighboring area signal intensity arranges the deputy number of times of the last six, TIMES3 is the number of times that neighboring area signal intensity arranges the last six the 3rd, TIMES4 is the number of times that neighboring area signal intensity arranges the last six the 4th, TIMES5 is the number of times that neighboring area signal intensity arranges the last six the 5th, and TIMES6 is the number of times that neighboring area signal intensity arranges the last six the 6th.
NCS data capture unit 14, reports data for obtaining the NCS of described each adjacent area.
Level value acquiring unit 15, for obtaining the average level value of described each adjacent area.
Fig. 5 is the concrete structure schematic diagram that in Fig. 3, weighted value signal generating unit 3 is revised in adjacent area, including:
Judging unit 31, is used for judging whether described Target cell exists Shi Fen community in either one community Chinese name in described adjacent area, it is judged that during for being, if the relation of described target adjacent area and described neighboring interval is " Defined ", weighted value=0 is revised in described adjacent area；If described target adjacent area is " Undefined " with the relation of described neighboring interval, weighted value=9999999999 are revised in described adjacent area,
When being judged as NO, the correction weighted value of described adjacent area is equal to described NAVSS algorithm weights value+10Priority of adjacent domain +1。
Fig. 6 is the concrete structure schematic diagram of adjacent area list signal generating unit 4 in Fig. 3, including:
Priority arrangement unit 41, for the priority level according to each described adjacent area by from high to low order arrangement.
Homogeneous-frequency adjacent-domain ranking unit 42, is used for the adjacent area according to the interior frequency same with described Target cell of same priority according to described correction weighted value to carry out homogeneous-frequency adjacent-domain ranking from little to big order.
Concrete, homogeneous-frequency adjacent-domain ranking: if weighted value=9999999999, then ranking=9999, homogeneous-frequency adjacent-domain are revised in adjacent area, if adjacent area is to for homogeneous-frequency adjacent-domain, then start to progressively increase from 1；If alien frequencies adjacent area, then ranking keeps constant, if first, then homogeneous-frequency adjacent-domain ranking is designated as 0.
Alien frequencies adjacent area ranking unit 43, for according to same priority in the adjacent area of described Target cell alien frequencies according to described correction weighted value to carry out alien frequencies adjacent area ranking from little to big order.
Concrete, alien frequencies adjacent area ranking: if weighted value=9999999999, then ranking=9999, alien frequencies adjacent area are revised in adjacent area, if adjacent area is to for alien frequencies adjacent area, then start to progressively increase from 1；If homogeneous-frequency adjacent-domain, then ranking keeps constant, if first, then alien frequencies adjacent area ranking is designated as 0.
Fig. 7 is the concrete structure schematic diagram of Neighborhood Optimization unit 5 in Fig. 3, including:
Once add homogeneous-frequency adjacent-domain unit 51, for obtaining the homogeneous-frequency adjacent-domain ranking of the adjacent area of frequency same with described Target cell, when the described homogeneous-frequency adjacent-domain ranking of described Target cell and described adjacent area is respectively less than and presets once interpolation co-frequency cell value, it is set to mutually once add homogeneous-frequency adjacent-domain by described Target cell and described adjacent area.
Once add alien frequencies adjacent area unit 52, for obtaining the alien frequencies adjacent area ranking of the adjacent area with described Target cell alien frequencies, when the described alien frequencies adjacent area ranking of described Target cell and described adjacent area is respectively less than and presets once interpolation alien-frequency district value, it is set to mutually once add alien frequencies adjacent area by described Target cell and described adjacent area.
Secondary adds ranking unit 53, adds ranking for other adjacent area once adding homogeneous-frequency adjacent-domain or an alien frequencies adjacent area described in not being set to carries out adjacent area secondary.
Secondary adds adjacent area unit 54, for the most once adding the difference of adjacent area number less than or equal to default total adjacent area interpolation number and described adjacent area when described adjacent area secondary adds ranking, and the secondary of described Target cell adds ranking when adding, less than or equal to the total adjacent area preset, the difference that number the most once adds homogeneous-frequency adjacent-domain number with described adjacent area, described Target cell and described adjacent area are set to mutually secondary interpolation adjacent area.
It is that described adjacent area is once added homogeneous-frequency adjacent-domain number and once adds alien frequencies adjacent area number sum that adjacent area number is the most once added in described adjacent area.
Unit 55 is deleted in adjacent area, for the most once adding the difference of adjacent area number more than default total adjacent area interpolation number and described adjacent area when described adjacent area secondary adds ranking, and the secondary of described Target cell adds ranking and adds number and described adjacent area more than the total adjacent area preset and the most once add the difference of homogeneous-frequency adjacent-domain number, and the relation of described Target cell and described adjacent area is when be " Undefined ", described Target cell is set to mutually with described adjacent area deletion adjacent area.
The present invention distance by neighboring interval, NAVSS algorithm weights value, and the priority of the position relationship parameter determination adjacent area of neighboring interval, and the ranking of each adjacent area in determining same priority according to revised weighted value, form adjacent area list, described adjacent area list combines the optimisation strategy preset to be added Target cell and/or deletes adjacent area, neighboring interval two-way choice can be realized, and the higher adjacent area of priority will preferentially be added, make Target cell realize more optimization in adjacent area during adding or deleting to process, ensure success rate and the stability of the switching of communication small area, decrease switching call drop, improve speech quality and user satisfaction.
The above disclosed the preferred embodiments of the present invention that are only, certainly can not limit the interest field of the present invention, the equivalent variations therefore made according to scope of the present invention patent with this, still belong to the scope that the present invention is contained.
Claims (6)
1. the method for a Neighborhood Optimization, it is characterised in that including:
Obtain the distance parameter of each adjacent area adjacent with Target cell, the NAVSS algorithm weights value of described adjacent area, described Target cell and the position relationship parameter of each adjacent area, NCS report data, the average level value of described each adjacent area of described each adjacent area；
Report, with the NCS of the position relationship parameter of adjacent area, described each adjacent area, the priority level that data, the average level value of described each adjacent area determine each adjacent area adjacent with described Target cell with the distance parameter of described adjacent area, described Target cell according to Target cell；
NAVSS algorithm weights value according to described adjacent area generates the correction weighted value corresponding with described adjacent area；
Priority level and described correction weighted value according to described each adjacent area generate adjacent area list；
To the interpolation of described Target cell and/or adjacent area is deleted according to described adjacent area list and optimisation strategy set in advance；
NAVSS algorithm weights value according to described adjacent area generates the step of the correction weighted value corresponding with described adjacent area and includes:
Judging whether described Target cell exists Shi Fen community in either one community Chinese name in described adjacent area, it is judged that during for being, if the relation of described target adjacent area and described neighboring interval is " Defined ", weighted value=0 is revised in described adjacent area；If described target adjacent area is " Undefined " with the relation of described neighboring interval, weighted value=9999999999 are revised in described adjacent area,
When being judged as NO, the correction weighted value of described adjacent area is equal to described NAVSS algorithm weights value+10Priority of adjacent domain +1；
To the interpolation of described Target cell and/or delete that the step of adjacent area includes according to described adjacent area list and optimisation strategy set in advance:
Obtain the homogeneous-frequency adjacent-domain ranking of the adjacent area of frequency same with described Target cell, when the described homogeneous-frequency adjacent-domain ranking of described Target cell and described adjacent area is respectively less than and presets once interpolation co-frequency cell value, it is set to mutually once add homogeneous-frequency adjacent-domain by described Target cell and described adjacent area；
The alien frequencies adjacent area ranking of the adjacent area of acquisition and described Target cell alien frequencies, when the described alien frequencies adjacent area ranking of described Target cell and described adjacent area is respectively less than and presets once interpolation alien-frequency district value, it is set to mutually once add alien frequencies adjacent area by described Target cell and described adjacent area；
Other adjacent area once adding homogeneous-frequency adjacent-domain or an alien frequencies adjacent area described in not being set to is carried out adjacent area secondary and adds ranking；
The difference of adjacent area number is the most once added less than or equal to default total adjacent area interpolation number and described adjacent area when described adjacent area secondary adds ranking, and the secondary of described Target cell adds ranking when adding, less than or equal to the total adjacent area preset, the difference that number the most once adds homogeneous-frequency adjacent-domain number with described adjacent area, described Target cell and described adjacent area are set to secondary mutually and add adjacent area
It is that described adjacent area is once added homogeneous-frequency adjacent-domain number and once adds alien frequencies adjacent area number sum that adjacent area number is the most once added in described adjacent area；
The difference of adjacent area number is the most once added more than default total adjacent area interpolation number and described adjacent area when described adjacent area secondary adds ranking, and the secondary of described Target cell adds ranking and adds number and described adjacent area more than the total adjacent area preset and the most once add the difference of homogeneous-frequency adjacent-domain number, and the relation of described Target cell and described adjacent area is when be " Undefined ", described Target cell is set to mutually with described adjacent area deletion adjacent area；
Described NAVSS algorithm weights value
=(NAVSS1*TIMES1*6+NAVSS2*TIMES2*5+NAVSS3*TIMES3*4+NAVSS4*T IMES4*3+NAVSS5*TIMES5*2+NAVSS6*TIMES6)/(TIMES1*6+TIMES2*5+TIMES3*4+TIMES4*3+TIMES5*2+TIMES6)
Wherein, average signal strength when NAVSS1 is to ranked first during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS2 is to ranked second during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS3 is to ranked third during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS4 is to ranked fourth during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS5 is to ranked fifth during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS6 is to ranked sixth during the last six of entrance adjacent area, adjacent area；
TIMES1 is that neighboring area signal intensity arranges the primary number of times of the last six, TIMES2 is that neighboring area signal intensity arranges the deputy number of times of the last six, TIMES3 is the number of times that neighboring area signal intensity arranges the last six the 3rd, TIMES4 is the number of times that neighboring area signal intensity arranges the last six the 4th, TIMES5 is the number of times that neighboring area signal intensity arranges the last six the 5th, and TIMES6 is the number of times that neighboring area signal intensity arranges the last six the 6th.
2. the method for claim 1, it is characterized in that, obtain the distance parameter of each adjacent area adjacent with Target cell, the NAVSS algorithm weights value of described adjacent area, the NCS of described Target cell and the position relationship parameter of each adjacent area, described each adjacent area report that the step of average level value of data, described each adjacent area includes:
The coordinate of coordinate according to described target cell base station and the base station of the adjacent area adjacent with described Target cell calculates the distance of described Target cell and each described adjacent area；
Coordinate system is rotated the new coordinate to the line between the coordinate points using the coordinate points of described Target cell and described adjacent area as X-axis, when the azimuth of described Target cell is within described adjacent area ± 60 °, and described adjacent area deflection is within described Target cell ± 90 °, or when the azimuth of described adjacent area is within described Target cell ± 60 °, and described Target cell deflection is within described adjacent area ± 90 ° time, described Target cell and described adjacent area are air exercise community
Otherwise, described Target cell and described adjacent area are Bei Da community；
The NAVSS algorithm weights value of described adjacent area is calculated according to NAVSS algorithm；
The NCS obtaining described each adjacent area reports data；
Obtain the average level value of described each adjacent area.
3. the method for claim 1, it is characterised in that include according to the priority level of described each adjacent area and the step of described correction weighted value generation adjacent area list:
Priority level according to each described adjacent area is by from high to low order arrangement；
Same priority in described Target cell with frequency adjacent area according to described correction weighted value to carry out adjacent area ranking from little to big order,
Same priority in the adjacent area of described Target cell alien frequencies according to described correction weighted value to carry out adjacent area ranking from little to big order.
4. a Neighborhood Optimization device, it is characterised in that including:
Neighboring BS information acquiring unit, for obtaining the distance parameter of each adjacent area, the NAVSS algorithm weights value of described adjacent area, described Target cell and the position relationship parameter of each adjacent area, NCS report data, the average level value of described each adjacent area of described each adjacent area adjacent with Target cell；
Priority of adjacent domain does not determine unit, for reporting, with the NCS of the position relationship parameter of adjacent area, described each adjacent area, the priority level that data, the average level value of described each adjacent area determine each adjacent area adjacent with described Target cell with the distance parameter of described adjacent area, described Target cell according to Target cell；
Weighted value signal generating unit is revised in adjacent area, generates the correction weighted value corresponding with described adjacent area for the NAVSS algorithm weights value according to described adjacent area；
Adjacent area list signal generating unit, generates adjacent area list for the priority level according to described each adjacent area and described correction weighted value；
Neighborhood Optimization unit, for the interpolation of described Target cell and/or deleting adjacent area according to described adjacent area list and optimisation strategy set in advance；
NAVSS algorithm weights value according to described adjacent area generates the step of the correction weighted value corresponding with described adjacent area and includes:
Judging whether described Target cell exists Shi Fen community in either one community Chinese name in described adjacent area, it is judged that during for being, if the relation of described target adjacent area and described neighboring interval is " Defined ", weighted value=0 is revised in described adjacent area；If described target adjacent area is " Undefined " with the relation of described neighboring interval, weighted value=9999999999 are revised in described adjacent area,
When being judged as NO, the correction weighted value of described adjacent area is equal to described NAVSS algorithm weights value+10Priority of adjacent domain +1；
To the interpolation of described Target cell and/or delete that the step of adjacent area includes according to described adjacent area list and optimisation strategy set in advance:
Obtain the homogeneous-frequency adjacent-domain ranking of the adjacent area of frequency same with described Target cell, when the described homogeneous-frequency adjacent-domain ranking of described Target cell and described adjacent area is respectively less than and presets once interpolation co-frequency cell value, it is set to mutually once add homogeneous-frequency adjacent-domain by described Target cell and described adjacent area；
The alien frequencies adjacent area ranking of the adjacent area of acquisition and described Target cell alien frequencies, when the described alien frequencies adjacent area ranking of described Target cell and described adjacent area is respectively less than and presets once interpolation alien-frequency district value, it is set to mutually once add alien frequencies adjacent area by described Target cell and described adjacent area；
Other adjacent area once adding homogeneous-frequency adjacent-domain or an alien frequencies adjacent area described in not being set to is carried out adjacent area secondary and adds ranking；
The difference of adjacent area number is the most once added less than or equal to default total adjacent area interpolation number and described adjacent area when described adjacent area secondary adds ranking, and the secondary of described Target cell adds ranking when adding, less than or equal to the total adjacent area preset, the difference that number the most once adds homogeneous-frequency adjacent-domain number with described adjacent area, described Target cell and described adjacent area are set to secondary mutually and add adjacent area
It is that described adjacent area is once added homogeneous-frequency adjacent-domain number and once adds alien frequencies adjacent area number sum that adjacent area number is the most once added in described adjacent area；
The difference of adjacent area number is the most once added more than default total adjacent area interpolation number and described adjacent area when described adjacent area secondary adds ranking, and the secondary of described Target cell adds ranking and adds number and described adjacent area more than the total adjacent area preset and the most once add the difference of homogeneous-frequency adjacent-domain number, and the relation of described Target cell and described adjacent area is when be " Undefined ", described Target cell is set to mutually with described adjacent area deletion adjacent area；
Described NAVSS algorithm weights value
=(NAVSS1*TIMES1*6+NAVSS2*TIMES2*5+NAVSS3*TIMES3*4+NAVSS4*T IMES4*3+NAVSS5*TIMES5*2+NAVSS6*TIMES6)/(TIMES1*6+TIMES2*5+TIMES3*4+TIMES4*3+TIMES5*2+TIMES6)
Wherein, average signal strength when NAVSS1 is to ranked first during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS2 is to ranked second during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS3 is to ranked third during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS4 is to ranked fourth during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS5 is to ranked fifth during the last six of entrance adjacent area, adjacent area, average signal strength when NAVSS6 is to ranked sixth during the last six of entrance adjacent area, adjacent area；
TIMES1 is that neighboring area signal intensity arranges the primary number of times of the last six, TIMES2 is that neighboring area signal intensity arranges the deputy number of times of the last six, TIMES3 is the number of times that neighboring area signal intensity arranges the last six the 3rd, TIMES4 is the number of times that neighboring area signal intensity arranges the last six the 4th, TIMES5 is the number of times that neighboring area signal intensity arranges the last six the 5th, and TIMES6 is the number of times that neighboring area signal intensity arranges the last six the 6th.
5. Neighborhood Optimization device as claimed in claim 4, it is characterised in that described neighboring BS information acquiring unit includes:
Metrics calculation unit, the coordinate for the coordinate according to described target cell base station and the base station of the adjacent area adjacent with described Target cell calculates the distance of described Target cell and each described adjacent area；
Position relationship determines unit, for coordinate system being rotated the new coordinate to the line between the coordinate points using the coordinate points of described Target cell and described adjacent area as X-axis, when the azimuth of described Target cell is within described adjacent area ± 60 °, and described adjacent area deflection is within described Target cell ± 90 °, or when the azimuth of described adjacent area is within described Target cell ± 60 °, and described Target cell deflection is within described adjacent area ± 90 ° time, described Target cell and described adjacent area are air exercise community
Otherwise, described Target cell and described adjacent area are Bei Da community；
NAVSS computing unit, for calculating the NAVSS algorithm weights value of described adjacent area according to NAVSS algorithm；
NCS data capture unit, reports data for obtaining the NCS of described each adjacent area；
Level value acquiring unit, for obtaining the average level value of described each adjacent area.
6. Neighborhood Optimization device as claimed in claim 4, it is characterised in that described adjacent area list signal generating unit includes:
Priority arrangement unit, for the priority level according to each described adjacent area by from high to low order arrangement；
Homogeneous-frequency adjacent-domain ranking unit, is used for the adjacent area according to the interior frequency same with described Target cell of same priority according to described correction weighted value to carry out homogeneous-frequency adjacent-domain ranking from little to big order,
Alien frequencies adjacent area ranking unit, for according to same priority in the adjacent area of described Target cell alien frequencies according to described correction weighted value to carry out alien frequencies adjacent area ranking from little to big order.
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| CN105376810A (en) * | 2014-08-13 | 2016-03-02 | 中兴通讯股份有限公司 | Method and device for improving cell switching speed |
| CN105578496B (en) * | 2014-10-14 | 2019-04-19 | 中国移动通信集团广东有限公司 | A kind of neighbor cell optimizing method and device |
| CN104618937B (en) * | 2015-02-15 | 2019-02-26 | 上海大唐移动通信设备有限公司 | A kind of method and device of adjacent area Automatic Optimal |
| CN106304132A (en) * | 2015-05-21 | 2017-01-04 | 普天信息技术有限公司 | The check method of Physical Cell Identifier |
| CN106332191B (en) * | 2015-07-03 | 2020-02-14 | 中国移动通信集团广东有限公司 | Circuit switched fallback neighbor cell adding method and device in LTE network |
| CN106332136A (en) * | 2016-08-24 | 2017-01-11 | 上海华为技术有限公司 | Data processing method and wireless network controller |
| CN108012299A (en) * | 2016-10-28 | 2018-05-08 | 中兴通讯股份有限公司 | A kind of TRP and motion management method |
| CN106658535A (en) * | 2016-12-30 | 2017-05-10 | 山东浪潮商用系统有限公司 | LTE adjacent area allocation leakage analysis method based on MR and working parameters |
| US10334456B2 (en) | 2017-07-06 | 2019-06-25 | Futurewei Technologies, Inc. | Optimizing cellular networks using deep learning |
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