CN105101267B - A kind of automatic optimization method of the neighboring BS relationship of LTE network - Google Patents

A kind of automatic optimization method of the neighboring BS relationship of LTE network Download PDF

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CN105101267B
CN105101267B CN201510452204.3A CN201510452204A CN105101267B CN 105101267 B CN105101267 B CN 105101267B CN 201510452204 A CN201510452204 A CN 201510452204A CN 105101267 B CN105101267 B CN 105101267B
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cell
gsm
source
source cell
adjacent area
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CN105101267A (en
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刘忠江
甘元华
鹿岩
常青
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BEIJING TUOMING COMMUNICATION TECHNOLOGY Co Ltd
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BEIJING TUOMING COMMUNICATION TECHNOLOGY Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/02Arrangements for optimising operational condition

Abstract

The invention discloses a kind of automatic optimization methods of the neighboring BS relationship of LTE network, including:Obtain cell with the associated relevant information of Neighborhood Optimization, according to the relevant information of acquired cell, determine the necessary GSM neighboring cell list of LTE cell, necessary TD neighboring cell list and necessity LTE neighboring cell list, later by the necessary GSM neighboring cell list for the LTE cell determined, necessary TD neighboring cell list and necessity LTE neighboring cell list the GSM Neighboring Relation Table with LTE cell in existing net respectively, TD Neighboring Relation Table and LTE neighboring cell list compare, filter out the adjacent area GSM of leakage, the adjacent area TD and the adjacent area LTE, and by leakage the adjacent area GSM, the adjacent area TD and LTE cell are added respectively in the Neighboring Relation Table for the LTE cell currently now netted.This method compared with existing optimal way, saved a large amount of manpower and material resources, realize LTE cell adjacent area automation optimization, substantially increase Neighborhood Optimization efficiency.

Description

A kind of automatic optimization method of the neighboring BS relationship of LTE network
Technical field
The present invention relates to mobile communication network optimization technical fields, and in particular to a kind of neighboring BS relationship of LTE network from Dynamic optimization method.
Background technique
Adjacent area is the ambulant basis of communication user, and effect is to define mobile phone can multiple under moving condition The smooth alternately without interrupting of business is carried out between the cell of neighboring BS relationship, is only added to adjacent area, mobile phone could be in difference Switch between network such as GSM (global system for mobile communications), UMTS (Universal Mobile Communication System).Only it is present in adjacent area table In neighboring community can be used to switch, and neighboring cell list space is not unlimited, therefore to have suitable adjacent area.
With the construction of 4G network, common carrier wireless network is faced with GSM, UMTS, LTE (Long Term Evolution, long term evolution) it three nets and deposits, magnanimity network element, different system, the multiple challenges such as multi-vendor, neighboring BS relationship number in network Measure huge, and network environment constantly changes, and needs constantly to adjust neighboring BS relationship, consumes biggish human cost, time Cost.
Automatic Neighboring Relation ANR (Auto Neighbor Relation) includes miss-configured neighboring cells optimization, redundancy Neighborhood Optimization Optimize with priority of adjacent domain, for safeguarding GSM, TDS automatically, the integrality of neighboring BS relationship and effectively in LTE system and between system Property.Current Neighborhood Optimization work relies primarily on drive test analysis, project engineer's periodic analysis carries out network neighbor relationship The problems such as maintenance, it is long that there are optimizing cycles, and optimization cost is big.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of neighboring BS relationship of LTE network Automatic optimization method can be realized the Automatic Optimal of the neighboring BS relationship of LTE cell in mobile communications network by this method.
To achieve the above object, the technical solution adopted by the present invention is as follows:
A kind of automatic optimization method of the neighboring BS relationship of LTE network, includes the following steps:
Step 1:Obtain the relevant information of cell;The cell includes LTE cell, GSM cell and TD cell;The phase Close the engineering parameter and parameter configuration that information includes cell;The engineering parameter includes the longitude and latitude of cell, azimuth, covers Base station where lid type and cell;The cover type includes macro station and room point;The parameter configuration refers to the neighbour of cell Cell relation;
Step 2:According to the relevant information of acquired cell, determine that the necessary GSM of adjacent area LTE cell to be optimized is adjacent Area's list, necessity TD neighboring cell list and necessity LTE neighboring cell list;
Neighboring BS relationship LTE cell to be optimized is denoted as source cell;
According to the relevant information of acquired cell, the necessary GSM neighboring cell list of source cell is determined, including:
(1) the necessary adjacent area GSM of source cell is determined, method of determination includes:
A. when source cell is room point covering, by the room point the GSM cell with the source cell co-sited be determined as source cell must Want the adjacent area GSM;
B. when source cell is that macro station covers, determine that the mode of the necessary adjacent area GSM of source cell is:
b1:GSM cell of the determining and source cell under identical MSC pool;
b2:With the presence or absence of the GSM cell with source cell co-sited in identified GSM cell in judgment step b1, if it is not, then As necessary adjacent area to be selected and b3 is entered step for all GSM cells of the source cell under identical MSC pool; If so, whether include GSM900 cell, if so, the GSM900 cell of co-sited is determined as if checking in co-sited GSM cell The necessary adjacent area to be selected of source cell, and enter step b3, if it is not, then by the GSM1800 cell of co-sited be determined as source cell to Necessary adjacent area is selected, and enters step b3;
B3. the necessary adjacent area of source cell is screened in necessary adjacent area to be selected, screening mode is:
B31. screening one meets the GSM cell of following conditions one as the necessary adjacent of source cell in necessary adjacent area to be selected Area;
Condition one:With the positive and negative 60 degree of models of normal vector of source cell backwards, where the base station to GSM cell as where source cell In enclosing and with the nearest GSM cell in source cell;
Wherein, the absolute value of the difference for referring to the angle between two cells and 180 degree backwards is less than the first setting Value;Angle between cell A and cell B be α and β's and, α be base station where cell A to the place cell B base station vector with it is small Area A covers the angle between vector, β be base station where cell B to base station where cell A vector and cell B covering vector it Between angle;
Two cells refer to the distance between the base station where two cells minimum recently;
B32. screening 4 meets the GSM cell of following conditions two as the necessary adjacent of source cell in necessary adjacent area to be selected Area;
Condition two:With the source cell face, by the normal vector of base station where source cell to GSM cell place base station Within the scope of positive and negative 60 degree and with the nearest TOP4GSM cell in source cell;
Wherein, the face refers to angle between two cells and 0 degree of difference less than the second setting value;
(2) the necessary adjacent area of source cell obtained in step (1) is summarized, generates the necessary adjacent area GSM of the source cell List;
According to the relevant information of acquired cell, the necessary TD neighboring cell list of source cell is determined, including:
1. determining the necessary adjacent area TD of source cell, method of determination includes:
A. when source cell is room point covering, the room point the TD cell with the source cell co-sited is determined as to necessity of source cell The adjacent area TD;
B. when source cell is that macro station covers, determine that the mode of the necessary adjacent area TD of source cell is:
The TD cell with the source cell co-sited is judged whether there is, if it exists co-sited TD cell, then by the TD cell of co-sited In with source cell face and nearest four TD cells are the necessary adjacent area TD of source cell;
Co-sited TD cell if it does not exist then checks whether there is GSM cell with the source cell co-sited, if so, with Necessity with the nearest four TD cells in source cell for source cell is screened in the adjacent area TD of the adjacent area GSM of the source cell co-sited and face The adjacent area TD;If it is not, then screening a necessary adjacent area of the TD cell as source cell for meeting following conditions three, 4 satisfactions are screened Necessary adjacent area of the TD cell of following conditions four as source cell;
Condition three:With the positive and negative 60 degree of models of normal vector of source cell backwards, where the base station to TD cell as where source cell In enclosing and with the nearest TD cell in source cell;
Condition four:With the normal vector positive and negative 60 of base station where source cell face, the base station to TD cell where source cell Spend range in and with the nearest TOP4TD cell in source cell;
2. by step 1. obtained in the necessary TD cell of source cell summarize, generate the necessary TD neighboring cell list of source cell;
According to the relevant information of acquired cell, the necessary LTE neighboring cell list of source cell is determined, including:
1) the LTE cell is denoted as source cell by the necessary adjacent area LTE for determining LTE cell, and method of determination includes:
It I., will be by the normal vector of source cell place base station to base station where GSM cell when source cell is room point covering Angle between source cell covering vector is within the scope of 60 degree and with the nearest TOP10LTE cell in source cell as source cell Necessary adjacent area;
II. when source cell is that macro station covers, determine that the mode of the necessary LTE cell of source cell is:
s1:Screen the face adjacent area of source cell
If the azimuth of the source cell is within the scope of 0 ° -90 ° or 270 ° -360 °, in the face adjacent area of source cell Choose longitude it is bigger than source cell, by within the scope of positive and negative 60 degree of normal vector of base station where source cell to LTE cell place base station And with the nearest TOP10LTE cell in source cell be source cell necessary adjacent area;
If within the scope of 90 ° -270 °, it is smaller than source to choose longitude in the face adjacent area of source cell for the azimuth of source cell Area is small, within the scope of base station to positive and negative 60 degree of normal vector of LTE cell place base station and nearest with source cell where source cell TOP10LTE cell is the necessary adjacent area of source cell;
s2:Screen the adjacent area backwards of source cell:
If the azimuth of source cell is within the scope of 0 ° -90 ° or 270 ° -360 °, in choosing in adjacent area for source cell Longitude is smaller than source cell, where source cell within the scope of base station to positive and negative 60 degree of normal vector of LTE cell place base station and with The nearest TOP5LTE cell in source cell is the necessary adjacent area of source cell;
If source cell azimuth, in 90 ° of -270 range, the longitude of choosing in adjacent area in source cell compares source cell Greatly, within the scope of positive and negative 60 degree of normal vector of base station where the base station to LTE cell where source cell and nearest with source cell TOP5LTE cell is the necessary adjacent area of source cell;
Step 3:It is adjacent with the necessary GSM neighboring cell list, necessity TD neighboring cell list and necessity LTE of source cell by what is determined Area's list respectively with the GSM Neighboring Relation Table for the source cell currently now netted, TD Neighboring Relation Table and LTE neighboring cell list ratio It is right, filter out the adjacent area GSM, the adjacent area TD and the adjacent area LTE of leakage;
Step 4:The GSM that the source cell currently now netted is added in the adjacent area GSM, the adjacent area TD and the adjacent area LTE of leakage respectively is adjacent In cell relation list, in TD Neighboring Relation Table and in LTE Neighboring Relation Table.
Further, a kind of automatic optimization method of the neighboring BS relationship of LTE network as described above in step 2, determines adjacent After the necessary GSM neighboring cell list of area's LTE cell to be optimized, necessity TD neighboring cell list and necessity LTE neighboring cell list, further include:
The redundancy cell in the Neighboring Relation Table for the source cell currently now netted is deleted, deletion mode is:
The necessary GSM neighboring cell list, necessity TD neighboring cell list and necessity LTE neighboring cell list of the source cell determined are distinguished It compares, deletes current with the GSM Neighboring Relation Table, TD Neighboring Relation Table and LTE neighboring cell list of the source cell currently now netted It is not included in the GSM Neighboring Relation Table for the source cell now netted, in TD Neighboring Relation Table and in LTE Neighboring Relation Table really Cell in the necessary GSM neighboring cell list of the source cell made, necessity TD neighboring cell list and necessity LTE neighboring cell list.
Further, a kind of automatic optimization method of the neighboring BS relationship of LTE network as described above, in step b1, determine with The mode of GSM cell of the LTE cell under identical MSC pool is:
B11. the band of position LAC of corresponding GSM cell is found according to the Tracking Area Code TAC of source cell;
B12. according to the band of position LAC of the GSM cell found determine Location Area Code LAC belonging to mobile switch Center pond POOL, and all Location Area Code LAC under mobile switch resource pool POOL are found, and obtain all positions All GSM cells under area code LAC;
B13. the GSM cell for being included in MSC pool POOL belonging to the Tracking Area Code TAC and step are taken The intersection of accessed GSM cell in rapid b12, obtains and GSM cell of the source cell under identical MSC pool.
Further, a kind of automatic optimization method of the neighboring BS relationship of LTE network as described above, in step b31, to be selected A necessary adjacent area of the GSM cell as source cell for meeting condition one is screened in necessary adjacent area, including:
B311. preliminary screening:The difference at the azimuth of azimuth and source cell is screened in necessary adjacent area to be selected less than 10 degree GSM cell;
B312. the GSM cell filtered out in step b311 is screened again according to the azimuth of source cell, if source is small The azimuth in area then selects longitude to be less than or equal to the GSM cell of source cell, if source within the scope of 0 ° -90 ° or 270 ° -360 ° The azimuth of cell then selects longitude to be greater than the GSM cell of source cell within the scope of 90 ° -270 °;
B313. it in the GSM cell that step b312 is filtered out, filters out the GSM cell that one meets the condition one and makees For the necessary adjacent area of source cell.
Further, a kind of automatic optimization method of the neighboring BS relationship of LTE network as described above, in step b313, in step In the GSM cell that rapid b312 is filtered out, it is adjacent as necessity of source cell to filter out the GSM cell that one meets the condition one Area, including:
It whether there is at a distance from source cell in the GSM cell filtered out in judgment step b312 less than the first set distance GSM cell, if it is not, selected in the GSM cell then filtered out in step b312 one to meet one GSM of condition small Area;
If so, checking small less than whether there is GSM900 in the GSM cell of the first set distance at a distance from source cell Area, GSM900 cell, then select the GSM cell for meeting the condition one, if it does not exist in GSM900 cell if it exists GSM cell then selects the GSM cell for meeting the condition one in GSM1800 cell.
Further, a kind of automatic optimization method of the neighboring BS relationship of LTE network as described above, in step b32, to be selected 4 necessary adjacent areas of the GSM cell as source cell for meeting condition two are screened in necessary adjacent area, including:
B321. the normal vector of base station where screening the base station to GSM cell as where source cell in necessary adjacent area to be selected Positive and negative 60 degree within the scope of GSM cell;
B322. the GSM cell filtered out in step b321 is screened again, if the azimuth of source cell at 0 ° -90 ° or Within the scope of 270 ° -360 °, then longitude is selected to be greater than the GSM cell of source cell, if the azimuth of the LTE cell is at 90 ° -270 ° In range, then longitude is selected to be less than or equal to the GSM cell of source cell;
B323. it in the GSM cell that step b322 is filtered out, filters out with the source cell face and recently TOP4GSM cell.
Further, a kind of automatic optimization method of the neighboring BS relationship of LTE network as described above, in step b323, in step In the GSM cell that rapid b322 is filtered out, filter out with the source cell face and nearest TOP4GSM cell, including
It whether there is at a distance from source cell in the GSM cell that judgment step b322 is filtered out less than the first set distance GSM cell, if it is not, in the GSM cell then filtered out in b322 selection with the source cell face and nearest TOP4GSM it is small Area;
If so, checking small less than whether there is GSM900 in the GSM cell of the first set distance at a distance from source cell Area, if it exists GSM900 cell, then selection and source cell face and nearest TOP4GSM cell in GSM900 cell, if not depositing In GSM cell, then selected and source cell face and nearest TOP4GSM cell in GSM1800 cell.
Further, a kind of automatic optimization method of the neighboring BS relationship of LTE network as described above in step B, screens 4 Meet necessary adjacent area of the TD cell as source cell of following conditions four, including:
Step B1. screening is small as the TD within the scope of positive and negative 60 degree of normal vector where the base station to TD cell of source cell place Area;
Step B2. screens the TD cell filtered out in step B1 according to the azimuth of source cell again, if source cell Azimuth within the scope of 0 ° -90 ° or 270 ° -360 °, then select longitude be greater than source cell TD cell, if the orientation of source cell Angle then selects longitude to be less than or equal to the TD cell of source cell within the scope of 90 ° -270 °;
Step B3. filters out four TD cells with source cell face and nearest in the TD cell that step B2 is filtered out.
Further, a kind of automatic optimization method of the neighboring BS relationship of LTE network as described above will leakage in step 4 The adjacent area GSM, the adjacent area TD and LTE cell added in the GSM Neighboring Relation Table of source cell currently now netted respectively, the adjacent area TD is closed In series of tables and in LTE Neighboring Relation Table, including:
For the adjacent area GSM of leakage, the adjacent area GSM of leakage is added in the external cell the GSM list of source cell, will be leaked The BCCH channel of broadcast control of the adjacent area GSM be added in the adjacent area the GSM subdistrict frequency point group of source cell;
For the adjacent area TD of leakage, the adjacent area TD of leakage is added in the external cell the TD list of source cell, by leakage The downlink frequency point of the adjacent area TD be added in the adjacent area the TD downlink frequency point group of source cell;
For the LTE cell of leakage, judge whether the LTE cell of leakage is the co-frequency cell of source cell, if will then leak LTE cell is added in the external cell the LTE list of source cell, if otherwise adding the subdistrict frequency point of the LTE cell of leakage It will be leaked in the external cell the LTE list that a LTE cell is added to source cell again after into the alien frequencies frequency point group of source cell.
Further, a kind of automatic optimization method of the neighboring BS relationship of LTE network as described above will leakage in step 4 The adjacent area GSM, the adjacent area TD and LTE cell added in the GSM Neighboring Relation Table of source cell currently now netted respectively, the adjacent area TD is closed Before in series of tables and in LTE Neighboring Relation Table, further include:
According to the GSM neighbor cell configuration principle of LTE cell, in the GSM Neighboring Relation Table in conjunction with the source cell currently now netted The number of GSM cell filters out the adjacent area GSM of the best leakage in the adjacent area GSM of leakage;
According to the TD neighbor cell configuration principle of LTE cell, in conjunction with the LTE cell currently now netted TD Neighboring Relation Table in TD The number of cell filters out the adjacent area TD of the best leakage in the adjacent area TD of leakage;
According to the LTE neighbor cell configuration principle of LTE cell, in the LTE Neighboring Relation Table in conjunction with the LTE cell currently now netted The number of LTE cell filters out the adjacent area LTE of the best leakage in the adjacent area LTE of leakage;
Screening the best mode for leaking an adjacent area is:Best leakage cell is filtered out according to the priority of leakage adjacent area, wherein Leakage selects the priority of adjacent area to be from high to low:First priority, the co-sited cell of source cell;Second priority, source cell is just To nearest cell, third priority:Within the scope of positive and negative 60 degree of normal vector as where source cell where base station to TD cell, With source cell distance by closely to remote cell.
The beneficial effects of the present invention are:
(1) neighboring BS relationship that can uniformly safeguard more equipment Multi net voting standards, by the working automation of heavy complexity before, It saves human cost, time cost, can timely and effectively carry out network operation while liberating manpower;
(2) integrality of mobile network can be effectively safeguarded in real time, further improve the Session continuity of mobile subscriber, Call drop is reduced, improves network index, improves the perception of user;
(3) release of manpower can save human cost for network operator, and the improvement of network performance can increase operation The income of quotient.
Detailed description of the invention
Fig. 1 is a kind of automatic optimization method of the neighboring BS relationship of the LTE network provided in the specific embodiment of the invention Flow chart;
Fig. 2 is the optimized flow chart of the adjacent area GSM of LTE cell in the specific embodiment of the invention;
Fig. 3 is the optimized flow chart of the adjacent area TD of LTE cell in the specific embodiment of the invention;
Fig. 4 is the optimized flow chart of the adjacent area LTE of LTE cell in the specific embodiment of the invention;
Fig. 5 illustrates schematic diagram for specific embodiment of the invention medium and small interval angle;
Fig. 6 be meet in the specific embodiment of the invention with source cell backwards to, by base station where source cell to GSM cell The schematic diagram of GSM cell within the scope of positive and negative 60 degree of the normal vector at place.
Specific embodiment
The present invention is described in further detail with specific embodiment with reference to the accompanying drawings of the specification.
Fig. 1 shows a kind of Automatic Optimal side of the neighboring BS relationship of the LTE cell provided in the specific embodiment of the invention The flow chart of method, this method may comprise steps of:
Step S100:Obtain cell information relevant to the optimization of the neighboring BS relationship of cell;
In existing net, the adjacent area type of LTE cell includes the adjacent area GSM (network element in GSM network), the adjacent area TD (UMTS Network element in network) and the adjacent area LTE (the network element network in LTE network), the adjacent area GSM and the adjacent area TD are the cross-mode of LTE cell Adjacent area, the adjacent area LTE are the neighboring BS relationship in LTE system.
In order to realize LTE cell neighboring BS relationship optimization, it is necessary first to obtain the correlation for Neighborhood Optimization of cell Information;The relevant information includes the engineering parameter of cell, performance indicator data, parameter configuration and measurement report number According to;The cell includes LTE cell, GSM cell and TD cell;The engineering parameter include the longitude and latitude of cell, azimuth and Cover type etc.;The cover type includes macro station and room point;The performance indicator refers to the switching statistical data of cell;It is described Parameter configuration refers to the neighboring BS relationship etc. of existing net medium and small interval;The measurement report data refers to adjacent area level and mass number According to etc..
Obtain the letter related to measurement report data etc. of the engineering parameter of cell, performance indicator, parameter configuration in network The concrete mode of breath is the prior art.In practical applications, when acquisition obtains the above-mentioned relevant information of cell, according to heterogeneous networks Standard and distinct device producer and different operator's development interface acquisition modes, can be free in mode shown in the following table Configuration.
Step S200:According to the relevant information of acquired cell, the necessary GSM of adjacent area LTE cell to be optimized is determined Neighboring cell list, necessity TD neighboring cell list and necessity LTE neighboring cell list;
By being described above it is found that the adjacent area type of LTE cell includes three categories, the adjacent area GSM of cross-mode, the adjacent area TD with And the adjacent area LTE in LTE network system.
In present embodiment, neighboring BS relationship LTE cell to be optimized is denoted as source cell, is acquired according in step S100 The relevant information of the cell arrived, analysis show that the necessary GSM neighboring cell list, necessity TD neighboring cell list and necessity LTE of source cell are adjacent Area's list.Necessity adjacent area refers to the adjacent area for needing to be added in the neighboring cell list of source cell, if the source cell now netted is adjacent It is not present in area's list, then needs to add entrance.
According to the relevant information of acquired cell, mode such as Fig. 2 institute of the necessary GSM neighboring cell list of source cell is determined Show, includes the following steps:
(1) the necessary adjacent area GSM of source cell is determined, method of determination includes:
A. when source cell is room point covering, by the room point the GSM cell with the source cell co-sited be determined as source cell must Want the adjacent area GSM;
B. when source cell is that macro station covers, determine that the mode of the necessary adjacent area GSM of source cell is:
b1:GSM cell of the determining and source cell at identical MSC pool POOL;It rejects with source cell not GSM cell at same POOL;The determining mode with GSM cell of the LTE cell under identical MSC pool For:
B11. the band of position LAC of corresponding GSM cell is found according to the Tracking Area Code TAC of source cell;
B12. according to the band of position LAC of the GSM cell found determine Location Area Code LAC belonging to mobile switch Center pond POOL, and all Location Area Code LAC under mobile switch resource pool POOL are found, and obtain all positions All GSM cells under area code LAC;
B13. the GSM cell for being included in MSC pool POOL belonging to the Tracking Area Code TAC and step are taken The intersection of accessed GSM cell in rapid b12, obtains and GSM cell of the source cell under identical MSC pool.
b2:With the presence or absence of the GSM cell with source cell co-sited in the GSM cell determined in judgment step b1, if not There are the GSM cells of co-sited, then using with all GSM cells of the source cell under identical MSC pool as it is to be selected must It wants adjacent area and enters step b3;The GSM cell of co-sited if it exists then checks in co-sited GSM cell whether include GSM900 small Area (works in the GSM cell of 900MHZ frequency networks), if containing GSM900 cell, the GSM900 cell of co-sited is determined as The necessary adjacent area to be selected of source cell, and enter step b3, GSM900 cell if it does not exist, then by the GSM1800 cell (work of co-sited Make the GSM cell in 1800MHZ frequency networks) it is determined as the necessary adjacent area to be selected of source cell, and enter step b3;
B3. the necessary adjacent area of source cell is screened in necessary adjacent area to be selected, screening mode is:
B31. screening one meets the GSM cell of following conditions one as the necessary adjacent of source cell in necessary adjacent area to be selected Area;
Condition one:With the positive and negative 60 degree of models of normal vector of source cell backwards, where the base station to GSM cell as where source cell In enclosing and with the nearest GSM cell in source cell;
Wherein, the absolute value of the difference for referring to the angle between two cells and 180 degree backwards is less than the first setting Value;Angle between cell A and cell B be α and β's and, α be base station where cell A to the place cell B base station vector with it is small Area A covers the angle between vector, β be base station where cell B to base station where cell A vector and cell B covering vector it Between angle, the distance between described base station for referring to two cells recently minimum.
As shown in figure 5, the angle that tri- width figure of e, f, g respectively illustrates two minizones is respectively 0 degree, 90 degree and 300 degree The case where, in g in figure, base station where the main coverage direction vector (direction A to A ') and cell A of cell A to the place cell B The angle ∠ A ' AB of vector (dotted portion in figure) of base station be above-mentioned α, ∠ A ' AB is above-mentioned β, the angle of minizone As+120 °=300 degree of ∠ A ' AB+ ∠ A ' AB=180 °.
Cell B is LTE cell, that is, source cell in Fig. 6, and cell A is GSM cell, and the angle of two minizones is 180 degree, because This, backwards, cell A is source cell where adjacent area, the base station to GSM cell as where source cell for cell A and source cell Within the scope of positive and negative 60 degree of normal vector be figure in the angle of ray L1 and ray L2 opening range in.
It should be noted that described refer to that the angle between two cells be 180 degree in 180 degree is not absolute backwards 180 degree, i.e., with the absolute value of the difference of 180 degree less than the first setting value, such as the first setting value is set as 10 degree, that two small Section angle can be regarded as between two cells between 170 degree of -190 degree as backwards.
In present embodiment, screening one meets the GSM cell of condition one as source cell in necessary adjacent area to be selected Necessary adjacent area, including:
B311. preliminary screening:The difference at the azimuth of azimuth and source cell is screened in necessary adjacent area to be selected less than 10 degree GSM cell;
B312. the GSM cell filtered out in step b311 is screened again according to the azimuth of source cell, if source is small The azimuth in area then selects longitude to be less than or equal to the GSM cell of source cell, if source within the scope of 0 ° -90 ° or 270 ° -360 ° The azimuth of cell then selects longitude to be greater than the GSM cell of source cell within the scope of 90 ° -270 °;
B313. it in the GSM cell that step b312 is filtered out, filters out the GSM cell that one meets the condition one and makees For the necessary adjacent area of source cell;
It should be noted that in practical applications, the sequence between step b311-b313 be not it is unique, being can be with Adjustment, that is to say, that without specific sequencing between three steps, such as can first carry out step b313, filter out satisfaction The GSM cell of condition one, then carried out on this basis according to the condition of step b311, b312 or step b312, b311 into one Step screening.
In present embodiment, in step b313, in the GSM cell that step b312 is filtered out, filters out one and meet institute The GSM cell for stating condition one is as follows as the mode of the necessary adjacent area of source cell:
It whether there is at a distance from source cell in the GSM cell filtered out in judgment step b312 less than the first set distance GSM cell, if it is not, selected in the GSM cell then filtered out in step b312 one to meet one GSM of condition small Area;
If so, checking small less than whether there is GSM900 in the GSM cell of the first set distance at a distance from source cell Area, GSM900 cell, then select the GSM cell for meeting the condition one, if it does not exist in GSM900 cell if it exists GSM cell then selects the GSM cell for meeting the condition one in GSM1800 cell.
B32. screening 4 meets the GSM cell of following conditions two as the necessary adjacent of source cell in necessary adjacent area to be selected Area;
Condition two:With the source cell face, by the normal vector of base station where source cell to GSM cell place base station Within the scope of positive and negative 60 degree and with the nearest TOP4GSM cell in source cell;
Wherein, the face refers to angle between two cells and 0 degree of difference less than the second setting value, such as e in Fig. 5 It is shown.Same second setting value, which can according to need, to be configured, and 20 degree is such as set as, then the angle of two minizones Two cells face adjacent area each other can be thought within the scope of 0-20 degree.
In present embodiment, in necessary adjacent area to be selected screening 4 meet the GSM cell of condition two as source cell must Adjacent area is wanted, including:
B321. the normal vector of base station where screening the base station to GSM cell as where source cell in necessary adjacent area to be selected Positive and negative 60 degree within the scope of GSM cell;
B322. the GSM cell filtered out in step b321 is screened again, if the azimuth of source cell at 0 ° -90 ° or Within the scope of 270 ° -360 °, then longitude is selected to be greater than the GSM cell of source cell, if the azimuth of the LTE cell is at 90 ° -270 ° In range, then longitude is selected to be less than or equal to the GSM cell of source cell;
B323. it in the GSM cell that step b322 is filtered out, filters out with the source cell face and recently TOP4GSM cell;Likewise, the sequence of step b321, b322 and step b323 are also not unique.
In present embodiment, filtered out in step b323 with the source cell face and the sieve of nearest TOP4GSM cell The mode is selected to be:
It whether there is at a distance from source cell in the GSM cell that judgment step b322 is filtered out less than the first set distance GSM cell, if it is not, in the GSM cell then filtered out in b322 selection with the source cell face and nearest TOP4GSM it is small Area;
If so, checking small less than whether there is GSM900 in the GSM cell of the first set distance at a distance from source cell Area, if it exists GSM900 cell, then selection and source cell face and nearest TOP4GSM cell in GSM900 cell, if not depositing In GSM cell, then selected and source cell face and nearest TOP4GSM cell in GSM1800 cell.
(2) the necessary adjacent area of source cell obtained in step (1) is summarized, generates the necessary adjacent area GSM of the source cell List;
According to the relevant information of acquired cell, determine the mode of the necessary TD neighboring cell list of source cell as shown in figure 3, Include the following steps:
1. determining the necessary adjacent area TD of source cell, method of determination includes:
A. when source cell is room point covering, the room point the TD cell with the source cell co-sited is determined as to necessity of source cell The adjacent area TD;
B. when source cell is that macro station covers, determine that the mode of the necessary adjacent area TD of source cell is:
The TD cell with the source cell co-sited is judged whether there is, if it exists co-sited TD cell, then by the TD cell of co-sited In with source cell face and nearest four TD cells are the necessary adjacent area TD of source cell;
Co-sited TD cell if it does not exist then checks whether there is GSM cell with the source cell co-sited, if so, with Necessity with the nearest four TD cells in source cell for source cell is screened in the adjacent area TD of the adjacent area GSM of the source cell co-sited and face The adjacent area TD;If it is not, then screening a necessary adjacent area of the TD cell as source cell for meeting following conditions three, 4 satisfactions are screened Necessary adjacent area of the TD cell of following conditions four as source cell;
Condition three:With the positive and negative 60 degree of models of normal vector of source cell backwards, where the base station to TD cell as where source cell In enclosing and with the nearest TD cell in source cell;
Condition four:With the normal vector positive and negative 60 of base station where source cell face, the base station to TD cell where source cell Spend range in and with the nearest TOP4TD cell in source cell;
In present embodiment, the concrete mode of TD cell that screening 4 meets condition four as the necessary adjacent area of source cell For:
Step B1. screening is small as the TD within the scope of positive and negative 60 degree of normal vector where the base station to TD cell of source cell place Area;
Step B2. screens the TD cell filtered out in step B1 according to the azimuth of source cell again, if source cell Azimuth within the scope of 0 ° -90 ° or 270 ° -360 °, then select longitude be greater than source cell TD cell, if the orientation of source cell Angle then selects longitude to be less than or equal to the TD cell of source cell within the scope of 90 ° -270 °;
Step B3. filters out four TD cells with source cell face and nearest in the TD cell that step B2 is filtered out.
2. by step 1. obtained in the necessary TD cell of source cell summarize, generate the necessary TD neighboring cell list of source cell;
According to the relevant information of acquired cell, mode such as Fig. 4 institute of the necessary LTE neighboring cell list of source cell is determined Show, includes the following steps:
1) the LTE cell is denoted as source cell by the necessary adjacent area LTE for determining LTE cell, and method of determination includes:
It I., will be by the normal vector of source cell place base station to base station where GSM cell when source cell is room point covering Angle between source cell covering vector is within the scope of 60 degree and with the nearest TOP10LTE cell in source cell as source cell Necessary adjacent area;
II. when source cell is that macro station covers, determine that the mode of the necessary LTE cell of source cell is:
s1:Screen the face adjacent area of source cell
If the azimuth of the source cell is within the scope of 0 ° -90 ° or 270 ° -360 °, in the face adjacent area of source cell Choose longitude it is bigger than source cell, by within the scope of positive and negative 60 degree of normal vector of base station where source cell to LTE cell place base station And with the nearest TOP10LTE cell in source cell be source cell necessary adjacent area;
If within the scope of 90 ° -270 °, it is smaller than source to choose longitude in the face adjacent area of source cell for the azimuth of source cell Area is small, within the scope of base station to positive and negative 60 degree of normal vector of LTE cell place base station and nearest with source cell where source cell TOP10LTE cell (at a distance from source cell it is ascending come preceding 10 LTE cell) be source cell necessary adjacent area;
s2:Screen the adjacent area backwards of source cell:
If the azimuth of source cell is within the scope of 0 ° -90 ° or 270 ° -360 °, in choosing in adjacent area for source cell Longitude is smaller than source cell, where source cell within the scope of base station to positive and negative 60 degree of normal vector of LTE cell place base station and with The nearest TOP5LTE cell in source cell is the necessary adjacent area of source cell;
If source cell azimuth, in 90 ° of -270 range, the longitude of choosing in adjacent area in source cell compares source cell Greatly, within the scope of positive and negative 60 degree of normal vector of base station where the base station to LTE cell where source cell and nearest with source cell TOP5LTE cell is the necessary adjacent area of source cell.
Step S300:The necessary GSM neighboring cell list, necessity TD neighboring cell list and necessity LTE with source cell that will be determined Neighboring cell list respectively with the GSM Neighboring Relation Table for the source cell currently now netted, TD Neighboring Relation Table and LTE neighboring cell list ratio It is right, filter out the adjacent area GSM, the adjacent area TD and the adjacent area LTE of leakage;
Step S400:The adjacent area GSM, the adjacent area TD and the adjacent area LTE of leakage are added to the GSM for the source cell currently now netted respectively In Neighboring Relation Table, in TD Neighboring Relation Table and in LTE Neighboring Relation Table.
In present embodiment, the adjacent area GSM, the adjacent area TD and the adjacent area LTE of leakage are added to the source cell currently now netted respectively GSM Neighboring Relation Table in, the mode in TD Neighboring Relation Table and in LTE Neighboring Relation Table be:
For the adjacent area GSM of leakage, the adjacent area GSM of leakage is added in the external cell the GSM list of source cell, will be leaked The BCCH channel of broadcast control of the adjacent area GSM be added in the adjacent area the GSM subdistrict frequency point group of source cell;
For the adjacent area TD of leakage, the adjacent area TD of leakage is added in the external cell the TD list of source cell, by leakage The downlink frequency point of the adjacent area TD be added in the adjacent area the TD downlink frequency point group of source cell;
For the LTE cell of leakage, judge whether the LTE cell of leakage is the co-frequency cell of source cell, if will then leak LTE cell is added in the external cell the LTE list of source cell, if otherwise adding the subdistrict frequency point of the LTE cell of leakage It will be leaked in the external cell the LTE list that a LTE cell is added to source cell again after into the alien frequencies frequency point group of source cell.
In practical applications, the neighbor cell configuration of LTE cell can have certain equipping rules in LTE network, mainly include The configuration number of the adjacent area GSM of LTE cell, the adjacent area TD and the adjacent area LTE, general recommendations are that LTE cell configures 8 adjacent areas GSM, 8 A adjacent area TD and 32 adjacent areas LTE.It is adjacent in the GSM that will be leaked in present embodiment in order to preferably meet application request Area, the adjacent area TD and LTE cell added respectively in the GSM Neighboring Relation Table of LTE cell currently now netted, TD Neighboring Relation Table Before neutralizing in LTE Neighboring Relation Table, can also include:
According to the GSM neighbor cell configuration principle of LTE cell, in the GSM Neighboring Relation Table in conjunction with the source cell currently now netted The number of GSM cell filters out the adjacent area GSM of the best leakage in the adjacent area GSM of leakage;
According to the TD neighbor cell configuration principle of LTE cell, in conjunction with the LTE cell currently now netted TD Neighboring Relation Table in TD The number of cell filters out the adjacent area TD of the best leakage in the adjacent area TD of leakage;
According to the LTE neighbor cell configuration principle of LTE cell, in the LTE Neighboring Relation Table in conjunction with the LTE cell currently now netted The number of LTE cell filters out the adjacent area LTE of the best leakage in the adjacent area LTE of leakage;
Screening the best mode for leaking an adjacent area is:Best leakage cell is filtered out according to the priority of leakage adjacent area, wherein Leakage selects the priority of adjacent area to be from high to low:First priority, the co-sited cell of source cell;Second priority, source cell is just To nearest cell, third priority:Within the scope of positive and negative 60 degree of normal vector as where source cell where base station to TD cell, With source cell distance by closely to remote cell.
In addition, in present embodiment, other than the adjacent area of leakage is added in the adjacent area LTE, determining that adjacent area waits for After the necessary GSM neighboring cell list of the LTE cell of optimization, necessity TD neighboring cell list and necessity LTE neighboring cell list, can also include: The redundancy cell in the Neighboring Relation Table for the source cell currently now netted is deleted, deletion mode is:
The necessary GSM neighboring cell list, necessity TD neighboring cell list and necessity LTE neighboring cell list of the source cell determined are distinguished It compares, deletes current with the GSM Neighboring Relation Table, TD Neighboring Relation Table and LTE neighboring cell list of the source cell currently now netted It is not included in the GSM Neighboring Relation Table for the source cell now netted, in TD Neighboring Relation Table and in LTE Neighboring Relation Table really Cell in the necessary GSM neighboring cell list of the source cell made, necessity TD neighboring cell list and necessity LTE neighboring cell list.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technology Within, then the present invention is also intended to include these modifications and variations.

Claims (10)

1. a kind of automatic optimization method of the neighboring BS relationship of LTE network, includes the following steps:
Step 1:Obtain the relevant information of cell;The cell includes LTE cell, GSM cell and TD cell;The related letter Breath includes the engineering parameter and parameter configuration of the cell;The engineering parameter includes the longitude and latitude of the cell, orientation Angle, cover type and base station where the cell;The cover type includes macro station and room point;The parameter configuration refers to The neighboring BS relationship of the cell;
Step 2:According to the relevant information of acquired cell, the necessary adjacent area the GSM column of adjacent area LTE cell to be optimized are determined Table, necessity TD neighboring cell list and necessity LTE neighboring cell list;
Neighboring BS relationship LTE cell to be optimized is denoted as source cell;
According to the relevant information of acquired cell, the necessary GSM neighboring cell list of source cell is determined, including:
(1) the necessary adjacent area GSM of source cell is determined, method of determination includes:
A. when source cell is room point covering, the room point the GSM cell with the source cell co-sited is determined as to the necessary GSM of source cell Adjacent area;
B. when source cell is that macro station covers, determine that the mode of the necessary adjacent area GSM of source cell is:
b1:GSM cell of the determining and source cell under identical MSC pool;
b2:With the presence or absence of GSM cell with source cell co-sited in identified GSM cell in judgment step b1, if it is not, then will be with All GSM cells of the source cell under identical MSC pool are as necessary adjacent area to be selected and enter step b3;If so, Then check in co-sited GSM cell whether include GSM900 cell, if so, the GSM900 cell of co-sited is determined as source cell Necessary adjacent area to be selected, and b3 is entered step, if it is not, the GSM1800 cell of co-sited to be then determined as to necessity to be selected of source cell Adjacent area, and enter step b3;
B3. the necessary adjacent area of source cell is screened in necessary adjacent area to be selected, screening mode is:
B31. a necessary adjacent area of the GSM cell as source cell for meeting following conditions one is screened in necessary adjacent area to be selected;
Condition one:With source cell backwards to, as within the scope of positive and negative 60 degree of normal vector where base station to GSM cell where source cell And with the nearest GSM cell in source cell;
Wherein, the absolute value of the difference for referring to the angle between two cells and 180 degree backwards is less than the first setting value;It is small Angle between area A and cell B be α and β's and, α is that the vector of base station where cell A to the place cell B base station is covered with cell A Angle between lid vector, β are the folder between vector and cell B the covering vector of base station where base station to cell A where cell B Angle;
Two cells refer to the distance between the base station where two cells minimum recently;
B32. 4 necessary adjacent areas of the GSM cell as source cell for meeting following conditions two are screened in necessary adjacent area to be selected;
Condition two:With the source cell face, by base station where source cell to GSM cell place base station normal vector it is positive and negative Within the scope of 60 degree and with the nearest TOP4GSM cell in source cell;
Wherein, the face refers to angle between two cells and 0 degree of difference less than the second setting value;
(2) the necessary adjacent area of source cell obtained in step (1) is summarized, generates the necessary GSM neighboring cell list of the source cell;
According to the relevant information of acquired cell, the necessary TD neighboring cell list of source cell is determined, including:
1. determining the necessary adjacent area TD of source cell, method of determination includes:
A. when source cell is room point covering, the necessary TD that the room point the TD cell with the source cell co-sited is determined as source cell is adjacent Area;
B. when source cell is that macro station covers, determine that the mode of the necessary adjacent area TD of source cell is:
Judge whether there is the TD cell with the source cell co-sited, if it exists co-sited TD cell, then by the TD cell of co-sited with Source cell face and nearest four TD cells are the necessary adjacent area TD of source cell;
Co-sited TD cell if it does not exist then checks whether there is GSM cell with the source cell co-sited, if so, with the source It is screened in the adjacent area TD of the adjacent area GSM of cell co-sited and face adjacent for the necessary TD of source cell with the nearest four TD cells in source cell Area;If it is not, then screening a necessary adjacent area of the TD cell as source cell for meeting following conditions three, screening 4 meets following Necessary adjacent area of the TD cell of condition four as source cell;
Condition three:With source cell backwards to, as within the scope of positive and negative 60 degree of normal vector where base station to TD cell where source cell And with the nearest TD cell in source cell;
Condition four:With the positive and negative 60 degree of models of normal vector of base station where source cell face, the base station to TD cell where source cell In enclosing and with the nearest TOP4TD cell in source cell;
2. by step 1. obtained in the necessary TD cell of source cell summarize, generate the necessary TD neighboring cell list of source cell;
According to the relevant information of acquired cell, the necessary LTE neighboring cell list of source cell is determined, including:
1) the LTE cell is denoted as source cell by the necessary adjacent area LTE for determining LTE cell, and method of determination includes:
I. when source cell is room point covering, by normal vector and source of the base station to base station where GSM cell where source cell The necessity of angle within the scope of 60 degree and with the nearest TOP10LTE cell in source cell as source cell between MPS process vector Adjacent area;
II. when source cell is that macro station covers, determine that the mode of the necessary LTE cell of source cell is:
s1:Screen the face adjacent area of source cell
If the azimuth of the source cell within the scope of 0 ° -90 ° or 270 ° -360 °, is chosen in the face adjacent area of source cell Longitude is bigger than source cell, where source cell within the scope of base station to positive and negative 60 degree of normal vector of LTE cell place base station and with The nearest TOP10LTE cell in source cell is the necessary adjacent area of source cell;
If the azimuth of source cell within the scope of 90 ° -270 °, chooses longitude in the face adjacent area of source cell and compares source cell It is within the scope of small, positive and negative 60 degree of normal vector base station where the base station to LTE cell where source cell and nearest with source cell TOP10LTE cell is the necessary adjacent area of source cell;
s2:Screen the adjacent area backwards of source cell:
If longitude is chosen in adjacent area within the scope of 0 ° -90 ° or 270 ° -360 °, in source cell in the azimuth of source cell It is within the scope of smaller than source cell, positive and negative 60 degree of normal vector base station where the base station to LTE cell where source cell and small with source The nearest TOP5LTE cell in area is the necessary adjacent area of source cell;
If source cell azimuth in 90 ° of -270 range, source cell chosen in adjacent area longitude it is bigger than source cell, by Within the scope of base station where source cell to positive and negative 60 degree of normal vector of LTE cell place base station and with the nearest TOP5LTE in source cell Cell is the necessary adjacent area of source cell;
2) the necessary adjacent area LTE of source cell obtained in step 1) is summarized, generates the necessary LTE neighboring cell list of source cell;
Step 3:Necessary GSM neighboring cell list, necessity TD neighboring cell list and necessity adjacent area the LTE column with source cell that will be determined Table is compared with the GSM Neighboring Relation Table, TD Neighboring Relation Table and LTE neighboring cell list of the source cell currently now netted respectively, sieve Select the adjacent area GSM, the adjacent area TD and the adjacent area LTE of leakage;
Step 4:The adjacent area GSM that the source cell currently now netted is added in the adjacent area GSM, the adjacent area TD and the adjacent area LTE of leakage respectively is closed In series of tables, in TD Neighboring Relation Table and in LTE Neighboring Relation Table.
2. a kind of automatic optimization method of the neighboring BS relationship of LTE network according to claim 1, it is characterised in that:Step In two, the necessary GSM neighboring cell list, necessity TD neighboring cell list and necessity LTE neighboring cell list of adjacent area LTE cell to be optimized are determined Afterwards, further include:
The redundancy cell in the Neighboring Relation Table for the source cell currently now netted is deleted, deletion mode is:
By the necessary GSM neighboring cell list for the source cell determined, necessity TD neighboring cell list and necessity LTE neighboring cell list respectively with work as GSM Neighboring Relation Table, TD Neighboring Relation Table and the LTE neighboring cell list of the preceding source cell now netted compare, and delete currently now net Source cell GSM Neighboring Relation Table in, be not included in TD Neighboring Relation Table and in LTE Neighboring Relation Table and determine The necessary GSM neighboring cell list of source cell, the cell in necessity TD neighboring cell list and necessity LTE neighboring cell list.
3. a kind of automatic optimization method of the neighboring BS relationship of LTE network according to claim 1 or 2, it is characterised in that:Step In rapid b1, determine that the mode of the GSM cell with the LTE cell under identical MSC pool is:
B11. the band of position LAC of corresponding GSM cell is found according to the Tracking Area Code TAC of source cell;
B12. according to the band of position LAC of the GSM cell found determine Location Area Code LAC belonging to mobile switching centre Pond POOL, and all Location Area Code LAC under mobile switch resource pool POOL are found, and obtain all Location Area Codes All GSM cells under LAC;
B13. the GSM cell and step b12 for being included in MSC pool POOL belonging to the Tracking Area Code TAC are taken In accessed GSM cell intersection, obtain and GSM cell of the source cell under identical MSC pool.
4. a kind of automatic optimization method of the neighboring BS relationship of LTE network according to claim 1 or 2, it is characterised in that:Step In rapid b31, screening one meets necessary adjacent area of the GSM cell as source cell of condition one in necessary adjacent area to be selected, including:
B311. preliminary screening:The GSM of the difference less than 10 degree at the azimuth of azimuth and source cell is screened in necessary adjacent area to be selected Cell;
B312. the GSM cell filtered out in step b311 is screened again according to the azimuth of source cell, if source cell Azimuth then selects longitude to be less than or equal to the GSM cell of source cell, if source cell within the scope of 0 ° -90 ° or 270 ° -360 ° Azimuth within the scope of 90 ° -270 °, then select longitude be greater than source cell GSM cell;
B313. it in the GSM cell that step b312 is filtered out, filters out one and meets the GSM cell of the condition one as source The necessary adjacent area of cell.
5. a kind of automatic optimization method of the neighboring BS relationship of LTE network according to claim 4, it is characterised in that:Step In b313, in the GSM cell that step b312 is filtered out, it is small as source to filter out the GSM cell that one meets the condition one The necessary adjacent area in area, including:
It whether there is at a distance from source cell in the GSM cell filtered out in judgment step b312 less than the first set distance GSM cell, if it is not, selecting one in the GSM cell then filtered out in step b312 meets one GSM cell of condition;
If so, check at a distance from source cell less than in the GSM cell of the first set distance whether there is GSM900 cell, if There are GSM900 cells, then the GSM cell for meeting the condition one are selected in GSM900 cell, GSM is small if it does not exist Area then selects the GSM cell for meeting the condition one in GSM1800 cell.
6. a kind of automatic optimization method of the neighboring BS relationship of LTE network according to claim 1 or 2, it is characterised in that:Step In rapid b32, screening 4 meets necessary adjacent area of the GSM cell as source cell of condition two in necessary adjacent area to be selected, including:
B321. the normal vector of base station where screening the base station to GSM cell as where source cell in necessary adjacent area to be selected is just GSM cell within the scope of minus 60 degree;
B322. the GSM cell filtered out in step b321 is screened again, if the azimuth of source cell at 0 ° -90 ° or Within the scope of 270 ° -360 °, then longitude is selected to be greater than the GSM cell of source cell, if the azimuth of the LTE cell is at 90 ° -270 ° In range, then longitude is selected to be less than or equal to the GSM cell of source cell;
B323. in the GSM cell that step b322 is filtered out, filter out with the source cell face and nearest TOP4GSM it is small Area.
7. a kind of automatic optimization method of the neighboring BS relationship of LTE network according to claim 6, it is characterised in that:Step In b323, in the GSM cell that step b322 is filtered out, filter out and the source cell face and nearest TOP4GSM cell, packet It includes
It whether there is at a distance from source cell in the GSM cell that judgment step b322 is filtered out less than the GSM of the first set distance Cell, if it is not, selection and the source cell face and nearest TOP4GSM cell in the GSM cell then filtered out in b322;
If so, check at a distance from source cell less than in the GSM cell of the first set distance whether there is GSM900 cell, if There are GSM900 cells, then selection and source cell face and nearest TOP4GSM cell in GSM900 cell, if it does not exist GSM Cell then selects and source cell face and nearest TOP4GSM cell in GSM1800 cell.
8. a kind of automatic optimization method of the neighboring BS relationship of LTE network according to claim 1 or 2, it is characterised in that:Step In rapid B, screening 4 meets necessary adjacent area of the TD cell as source cell of following conditions four, including:
Step B1. screening is as the TD cell within the scope of positive and negative 60 degree of normal vector where the base station to TD cell of source cell place;
Step B2. screens the TD cell filtered out in step B1 according to the azimuth of source cell again, if the side of source cell Parallactic angle then selects longitude to be greater than the TD cell of source cell, if the azimuth of source cell exists within the scope of 0 ° -90 ° or 270 ° -360 ° Within the scope of 90 ° -270 °, then longitude is selected to be less than or equal to the TD cell of source cell;
Step B3. filters out four TD cells with source cell face and nearest in the TD cell that step B2 is filtered out.
9. a kind of automatic optimization method of the neighboring BS relationship of LTE network according to claim 1 or 2, it is characterised in that:Step In rapid four, the GSM neighboring BS relationship that the adjacent area GSM, the adjacent area TD and the LTE cell of leakage add the source cell currently now netted respectively is arranged In table, in TD Neighboring Relation Table and in LTE Neighboring Relation Table, including:
For the adjacent area GSM of leakage, the adjacent area GSM of leakage is added in the external cell the GSM list of source cell, by leakage The BCCH channel of broadcast control of the adjacent area GSM is added in the adjacent area the GSM subdistrict frequency point group of source cell;
For the adjacent area TD of leakage, the adjacent area TD of leakage is added in the external cell the TD list of source cell, by the TD of leakage The downlink frequency point of adjacent area is added in the adjacent area the TD downlink frequency point group of source cell;
For the LTE cell of leakage, judge whether the LTE cell of leakage is the co-frequency cell of source cell, if will then leak a LTE Cell is added in the external cell the LTE list of source cell, if it is small that the subdistrict frequency point of the LTE cell of leakage is otherwise added to source A leakage LTE cell is added in the external cell the LTE list of source cell again after in the alien frequencies frequency point group in area.
10. a kind of automatic optimization method of the neighboring BS relationship of LTE network according to claim 9, it is characterised in that:Step In four, the adjacent area GSM, the adjacent area TD and the LTE cell of leakage are added to the GSM Neighboring Relation Table for the source cell currently now netted respectively In, in TD Neighboring Relation Table and in LTE Neighboring Relation Table before, further include:
According to the GSM neighbor cell configuration principle of LTE cell, in conjunction with the source cell currently now netted GSM Neighboring Relation Table in GSM it is small The number in area filters out the adjacent area GSM of the best leakage in the adjacent area GSM of leakage;
According to the TD neighbor cell configuration principle of LTE cell, in conjunction with the LTE cell currently now netted TD Neighboring Relation Table in TD cell Number, filter out the adjacent area TD of the best leakage in the adjacent area TD of leakage;
According to the LTE neighbor cell configuration principle of LTE cell, in conjunction with the LTE cell currently now netted LTE Neighboring Relation Table in LTE The number of cell filters out the adjacent area LTE of the best leakage in the adjacent area LTE of leakage;
Screening the best mode for leaking an adjacent area is:Best leakage cell is filtered out according to the priority of leakage adjacent area, wherein leakage choosing The priority of adjacent area is from high to low:First priority, the co-sited cell of source cell;Second priority, the face of source cell is most Nearly cell, third priority:Within the scope of positive and negative 60 degree of normal vector as where source cell where base station to TD cell and source Cell distance is by closely to remote cell.
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