CN103347263A - Adjacent-community same and adjacent frequency interference optimizing processing method and equipment - Google Patents
Adjacent-community same and adjacent frequency interference optimizing processing method and equipment Download PDFInfo
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- CN103347263A CN103347263A CN2013102699444A CN201310269944A CN103347263A CN 103347263 A CN103347263 A CN 103347263A CN 2013102699444 A CN2013102699444 A CN 2013102699444A CN 201310269944 A CN201310269944 A CN 201310269944A CN 103347263 A CN103347263 A CN 103347263A
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Abstract
The invention discloses an adjacent-community same and adjacent frequency interference optimizing processing method and equipment, and relates to the technical field of mobile internet. Adjacent communities having a first-level adjacent relationship with an assigned community are worked out according to adjacent community relationships among communities, and an adjacent community set is obtained; the direction angle relationship between the assigned community and each adjacent community in the adjacent community set is judged, and adjacent communities meeting interference requirements are screened; whether the relationship between each selected community and the assigned community is a same-frequency interference relationship or an adjacent-frequency interference relationship is determined according to frequency point distribution relationships between each adjacent community and the assigned community; optimizing processing is conducted on same and adjacent frequency interference according to actual scenes so as to reduce same and adjacent frequency interference among the adjacent communities. The adjacent-community same and adjacent frequency interference optimizing processing method is an innovative, scientific and efficient same and adjacent frequency interference analysis algorithm, can achieve automation analysis, and can fast and accurately position same and adjacent frequency interference among substations, and furthermore optimizing processing is conducted on obtained same and adjacent frequency interference signals according to analysis, and the effect of reducing same and adjacent frequency signal interference is achieved.
Description
Technical field
The present invention relates to mobile internet technical field, particularly a kind of adjacent cell is with adjacent interference optimization processing method and equipment frequently.
Background technology
In the gsm wireless communication process, the receiving and transmitting signal frequency between the neighbor base station is identical or adjacent and interference that produce is to influence one of serious problems of wireless communication quality always.Therefore, frequency optimization becomes the radio network optimization personnel and optimizes one of fundamental sum most important work of network.By optimizing and revising, reduce same frequency and the adjacent relation frequently (being called for short with frequently adjacent) of distributing frequency between the adjacent cell, be the important means that reduces air interference, promotes communication quality and network performance.In the process of the daily network optimization, the radio network optimization engineering staff uses the GIS instrument usually, by the same adjacent phenomenon frequently between the artificial subjective analysis adjacent cell, and is optimized adjustment on this basis.
Analyze adjacent cell with adjacent main technique methods frequently following (be example with a residential quarter): check all adjacent cells around the residential quarter, these adjacent cells are interpreted as the ground floor adjacent cell of this residential quarter, and the interlayer adjacent cell generally can be ignored.If these adjacent cell antenna directional angles are relative with this residential quarter deflection or in opposite directions, then be considered as and may be optimized adjustment frequently at these adjacent cells same adjacent, network optimization personnel are further according to the actual geographical environment strategy of making adjustment.Deflection is defined as relatively: connect place, two residential quarters strokes and dots straight line, respectively draw a straight line vertical with two residential quarter lines, these two straight line parallels through two residential quarter locas.If the azimuth of two residential quarters between these two parallel lines, thinks that then two residential quarter deflections are relative; Deflection is defined as in the same way: connect place, two residential quarters strokes and dots straight line, if the deflection of one of them residential quarter points to another residential quarter, and two residential quarter deflections are not relative, think that then two residential quarter deflections in the same way.
Along with the wireless user increases, the increase of residential quarter, minizone apart from reduce, frequency multiplexing coefficient strengthens, wireless environment is increasingly sophisticated, only depend on not only inefficiency of the same adjacent method frequently of manpower analysis, and the same adjacent phenomenon frequently that easy omission may exist is had a greatly reduced quality the optimization effect.
Summary of the invention
In view of the above problems, the embodiment of the invention provides a kind of adjacent cell with adjacent interference optimization processing method and equipment frequently, by scientific and efficient same adjacent interference optimization Processing Algorithm frequently, can disturb frequently with adjacent between locating base station fast and accurately automatically by computer software, significantly promote analysis efficiency, thereby effectively guarantee follow-up radio network optimization work quality.
The embodiment of the invention has adopted following technical scheme:
One embodiment of the invention provides a kind of adjacent cell with adjacent interference optimization processing method frequently, and described method comprises:
According to the residential quarter neighboring BS relationship, calculate the adjacent cell that forms the ground floor proximity relations with designated cell, obtain forming the adjacent area set of at least one adjacent cell of ground floor proximity relations;
In the set of described adjacent area, judge the deflection relation between designated cell and each adjacent cell respectively, and filter out the adjacent cell that the deflection relation satisfies disturbed condition;
In the adjacent cell that filters out, according to the frequency point allocation between each adjacent cell and designated cell relation, determine and designated cell between be co-channel interference relation or adjacent interference relationships frequently;
According to actual scene, to being optimized processing with adjacent the interference frequently, disturb frequently to reduce the same adjacent of adjacent cell.
Described according to the residential quarter neighboring BS relationship, calculating comprises with the adjacent cell that designated cell forms the ground floor proximity relations:
Judgement is initial point with the designated cell, in the degree of 45 centered by pre-treatment residential quarter and designated cell line angular range, whether other adjacent cells is arranged, if there are not other adjacent cells, determines that then working as the pre-treatment residential quarter is the adjacent cell of ground floor proximity relations;
If other adjacent cells are arranged, then be initial point with the designated cell, according to the angular range centered by pre-treatment residential quarter and designated cell line and with other adjacent cells and designated cell between the adjacent cell of distance relation calculating formation ground floor proximity relations.
Described is initial point with the designated cell, comprises according to the angular range centered by pre-treatment residential quarter and designated cell line and with the adjacent cell of distance relation calculating formation ground floor proximity relations between other adjacent cells and the designated cell:
Calculate respectively with the designated cell is initial point, in the degree of 15 centered by pre-treatment residential quarter and designated cell line angular range, 30 degree angular range and 45 degree angular range, other adjacent cells and designated cell distance and the residential quarter of satisfying condition of proximity when pre-treatment residential quarter and designated cell distance relation are defined as the adjacent cell of ground floor proximity relations.
Spend when angular range is less than or equal to 15, described condition of proximity is that other adjacent cells and designated cell are nearest;
When angular range greater than 15 degree and be less than or equal to 30 degree, described condition of proximity is less than or equal to when pre-treatment residential quarter and designated cell distance 2 times for other adjacent cells and designated cell distance;
When angular range greater than 30 degree and be less than or equal to 45 degree, described condition of proximity is less than or equal to when pre-treatment residential quarter and designated cell distance 3 times for other adjacent cells and designated cell distance.
The method of calculating the adjacent cell of ground floor proximity relations is specially:
Be initial point with the designated cell, judge that other adjacent cell positions are in the angular range centered by pre-treatment residential quarter and designated cell line;
If in 15 angular range, then calculate the distance of adjacent cell and designated cell, selected from the nearest adjacent cell of designated cell, determine that this adjacent cell is the adjacent cell of ground floor proximity relations;
If greater than 15 the degree and be less than or equal to 30 the degree angular range in, then calculate the distance of this adjacent cell and designated cell, whether satisfy 2 times that are less than or equal to when the distance of pre-treatment residential quarter and designated cell, if satisfy, determine that then this adjacent cell is the adjacent cell of ground floor proximity relations;
If greater than 30 the degree and be less than or equal to 45 the degree angular range in, then calculate the distance of this adjacent cell and designated cell, whether satisfy 3 times that are less than or equal to when the distance of pre-treatment residential quarter and designated cell, if satisfy, determine that then this adjacent cell is the adjacent cell of ground floor proximity relations.
The method of judging the deflection relation between designated cell and the adjacent cell is specially:
If the deflection of designated cell and adjacent cell forms relativeness, and the deflection of two residential quarters determines then that in the same side of two residential quarter lines the deflection pass of designated cell and this adjacent cell is the homonymy relativeness;
If the deflection of designated cell and adjacent cell forms relativeness, and the deflection of two residential quarters determines then that in the both sides of two residential quarter lines the deflection pass of designated cell and this adjacent cell is the heteropleural relativeness;
If designated cell forms identical relation with the deflection of adjacent cell, this adjacent cell deflection points to designated cell, and the deflection of two residential quarters determines then that in the same side of two residential quarter lines the deflection pass of designated cell and this adjacent cell is that homonymy concerns greatly in the same way;
If designated cell forms identical relation with the deflection of adjacent cell, the designated cell deflection points to this adjacent cell, and the deflection of two residential quarters determines then that in the same side of two residential quarter lines the deflection pass of designated cell and this adjacent cell is the little correlation between the accumulation rate and speed of homonymy;
If designated cell forms identical relation with the deflection of adjacent cell, this adjacent cell deflection points to designated cell, and the deflection of two residential quarters determines then that in the both sides of two residential quarter lines the deflection pass of designated cell and this adjacent cell is that heteropleural concerns greatly in the same way;
If designated cell forms identical relation with the deflection of adjacent cell, the designated cell deflection points to this adjacent cell, and the deflection of two residential quarters determines then that in the both sides of two residential quarter lines the deflection pass of designated cell and this adjacent cell is the little correlation between the accumulation rate and speed of heteropleural;
If designated cell is not relative and inequality with the deflection of adjacent cell, and the deflection of two residential quarters determines then that in the same side of two residential quarter lines the deflection pass of designated cell and this adjacent cell is that homonymy concerns dorsad;
If designated cell is not relative and inequality with the deflection of adjacent cell, and the deflection of two residential quarters determines then that in the both sides of two residential quarter lines the deflection pass of designated cell and this adjacent cell is that heteropleural concerns dorsad.
Described disturbed condition is that the deflection between designated cell and the adjacent cell concerns that satisfying homonymy relativeness, heteropleural relativeness, homonymy concerns and the little correlation between the accumulation rate and speed of homonymy greatly in the same way.
Described according to the frequency point allocation between each adjacent cell and designated cell relation, determine and designated cell between be that co-channel interference relation or adjacent interference relationships frequently comprise:
Judge if having identical frequency point allocation between adjacent cell and the designated cell, then determine to have co-channel interference between this adjacent cell and the designated cell;
Judge if it is 1 that the frequency point number between adjacent cell and the designated cell differs, then determine to exist between this adjacent cell and the designated cell neighbour to disturb frequently.
In addition, the embodiment of the invention also provides a kind of adjacent cell with adjacent interference optimization treatment facility frequently, and described equipment comprises:
Set computing module in adjacent area is used for according to the residential quarter neighboring BS relationship, calculates the adjacent cell that forms the ground floor proximity relations with designated cell, obtains forming the adjacent area set of at least one adjacent cell of ground floor proximity relations;
The screening module is used in the set of described adjacent area, judges the deflection relation between designated cell and each adjacent cell respectively, and filters out the adjacent cell that the deflection relation satisfies disturbed condition;
With the adjacent determination module that frequently disturbs, be used at the adjacent cell that filters out, according to the relation of the frequency point allocation between each adjacent cell and the designated cell, determine and designated cell between be co-channel interference relation or adjacent interference relationships frequently;
Disturb processing module, be used for according to actual scene, to being optimized processing with adjacent the interference frequently, disturb frequently to reduce the same adjacent of adjacent cell.
Described adjacent area set computing module comprises:
First computing unit, being used for judging with the designated cell is initial point, in the degree of 45 centered by pre-treatment residential quarter and designated cell line angular range, whether other adjacent cells are arranged, if there are not other adjacent cells, determine that then working as the pre-treatment residential quarter is the adjacent cell of ground floor proximity relations, add in the set of adjacent area;
15 degree computing units, being used for the designated cell is initial point, other adjacent cell positions are in 15 angular range centered by pre-treatment residential quarter and the designated cell line, whether the distance of calculating adjacent cell and designated cell is nearest, if determine that then this adjacent cell is the adjacent cell of ground floor proximity relations, add in the set of adjacent area;
30 degree computing units, being used for the designated cell is initial point, other adjacent cell positions be in when centered by pre-treatment residential quarter and the designated cell line greater than 15 the degree and be less than or equal to 30 the degree angular range in, calculate the distance of this adjacent cell and designated cell, whether satisfy 2 times that are less than or equal to when the distance of pre-treatment residential quarter and designated cell, if satisfy, determine that then this adjacent cell is the adjacent cell of ground floor proximity relations, add in the set of adjacent area;
45 degree computing units, being used for the designated cell is initial point, other adjacent cell positions be in when centered by pre-treatment residential quarter and the designated cell line greater than 30 the degree and be less than or equal to 45 the degree angular range in, calculate the distance of this adjacent cell and designated cell, whether satisfy 3 times that are less than or equal to when the distance of pre-treatment residential quarter and designated cell, if satisfy, determine that then this adjacent cell is the adjacent cell of ground floor proximity relations, add in the set of adjacent area;
Described screening module, concrete being used in the set of described adjacent area, judge respectively deflection between designated cell and each adjacent cell close be that homonymy is relative, heteropleural is relative, homonymy greatly in the same way, little in the same way, the heteropleural of homonymy greatly in the same way, little in the same way, the homonymy of heteropleural dorsad or heteropleural concern that dorsad therefrom filtering out disturbed condition, to satisfy that deflection between designated cell and the adjacent cell closes be that homonymy relativeness, heteropleural relativeness, homonymy concern and the adjacent cell of the little correlation between the accumulation rate and speed of homonymy greatly in the same way.
As seen, the embodiment of the invention provides a kind of adjacent cell with adjacent interference optimization processing method and equipment frequently, a kind of scientific and efficient same adjacent algorithm of interference analysis frequently of the proposition of novelty, based on the geographical position, residential quarter, deflection etc., can realize automated analysis to same adjacent the interference frequently that adjacent cell exists, and disturb frequently with adjacent between locating base station fast and accurately, and then carry out and optimization process according to the same adjacent frequency interference signal that analysis obtains, reduce with adjacent signal effects of jamming frequently to reach, this programme can significantly promote analysis efficiency, thereby effectively guarantees follow-up radio network optimization work quality.
Description of drawings
The same adjacent figure of interference optimization process flow frequently of a kind of adjacent cell that Fig. 1 provides for one embodiment of the invention;
The method flow diagram of the method instantiation of the adjacent cell of the calculating ground floor proximity relations that Fig. 2 provides for the embodiment of the invention;
Fig. 3 concerns schematic diagram for a kind of position that the embodiment of the invention provides;
Fig. 4 concerns schematic diagram for the another kind of position that the embodiment of the invention provides;
Fig. 5-1 concerns schematic diagram for the minizone deflection that the embodiment of the invention provides to 5-8;
The same adjacent structured flowchart of interference optimization treatment facility frequently of a kind of adjacent cell that Fig. 6 provides for the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Referring to shown in Figure 1, the embodiment of the invention provides a kind of adjacent cell with adjacent interference optimization processing method frequently, specifically comprises:
S101: according to the residential quarter neighboring BS relationship, calculate the adjacent cell that forms the ground floor proximity relations with designated cell, obtain forming the adjacent area set of at least one adjacent cell of ground floor proximity relations;
S102: in the set of described adjacent area, judge the deflection relation between designated cell and each adjacent cell respectively, and filter out the adjacent cell that the deflection relation satisfies disturbed condition;
S103: in the adjacent cell that filters out, according to the frequency point allocation between each adjacent cell and designated cell relation, determine and designated cell between be co-channel interference relation or adjacent interference relationships frequently;
S104: according to actual scene, to being optimized processing with adjacent the interference frequently, disturb frequently to reduce the same adjacent of adjacent cell.
Wherein, described according to the residential quarter neighboring BS relationship, calculating specifically comprises with the method that designated cell forms the adjacent cell of ground floor proximity relations:
Judgement is initial point with the designated cell, in the degree of 45 centered by pre-treatment residential quarter and designated cell line angular range, whether other adjacent cells is arranged, if there are not other adjacent cells, determines that then working as the pre-treatment residential quarter is the adjacent cell of ground floor proximity relations;
If other adjacent cells are arranged, then be initial point with the designated cell, according to the angular range centered by pre-treatment residential quarter and designated cell line and with other adjacent cells and designated cell between the adjacent cell of distance relation calculating formation ground floor proximity relations.
Concrete, above-mentioned is initial point with the designated cell, be specially according to the angular range centered by pre-treatment residential quarter and designated cell line and with the method for adjacent cell of distance relation calculating formation ground floor proximity relations between other adjacent cells and the designated cell: calculating respectively with the designated cell is initial point, 15 degree angular range centered by pre-treatment residential quarter and designated cell line, in 30 degree angular range and the 45 degree angular range, other adjacent cells and designated cell distance and the residential quarter of satisfying condition of proximity when pre-treatment residential quarter and designated cell distance relation are defined as the adjacent cell of ground floor proximity relations.
Spend when angular range is less than or equal to 15, described condition of proximity is that other adjacent cells and designated cell are nearest.
When angular range greater than 15 degree and be less than or equal to 30 degree, described condition of proximity is less than or equal to when pre-treatment residential quarter and designated cell distance 2 times for other adjacent cells and designated cell distance.
When angular range greater than 30 degree and be less than or equal to 45 degree, described condition of proximity is less than or equal to when pre-treatment residential quarter and designated cell distance 3 times for other adjacent cells and designated cell distance.
Accordingly, the method for the adjacent cell of calculating ground floor proximity relations is specially:
Be initial point with the designated cell, judge that other adjacent cell positions are in the angular range centered by pre-treatment residential quarter and designated cell line.
If in 15 angular range, then calculate the distance of adjacent cell and designated cell, selected from the nearest adjacent cell of designated cell, determine that this adjacent cell is the adjacent cell of ground floor proximity relations.
If greater than 15 the degree and be less than or equal to 30 the degree angular range in, then calculate the distance of this adjacent cell and designated cell, whether satisfy 2 times that are less than or equal to when the distance of pre-treatment residential quarter and designated cell, if satisfy, determine that then this adjacent cell is the adjacent cell of ground floor proximity relations.
If greater than 30 the degree and be less than or equal to 45 the degree angular range in, then calculate the distance of this adjacent cell and designated cell, whether satisfy 3 times that are less than or equal to when the distance of pre-treatment residential quarter and designated cell, if satisfy, determine that then this adjacent cell is the adjacent cell of ground floor proximity relations.
Referring to Fig. 2, be the method instantiation of the adjacent cell that calculates the ground floor proximity relations, in order to describe in detail:
Figure 2 shows that designated cell adjacent cell acquisition algorithm flow process.At first determine the maximum distance scope that adjacent cell obtains according to the residential quarter neighboring BS relationship, handle one by one then, filter and remove ground floor adjacent cell adjacent cell in addition.Filter method is as follows: be initial point with the residential quarter, if in 45 degree angular range centered by the adjacent cell of pre-treatment and the designated cell line, do not have other adjacent cells, then add work as pre-treatment adjacent cell in results set; Otherwise, then divide 15 degree, 30 degree, three kinds of situations of 45 degree to handle respectively.15 degree are handled: judge that add in the results set as adjacent cell nearest residential quarter in the 15 degree angular range; 30 degree are handled: if remote adjacent cell distance to the distance of designated cell less than this designated cell 2 times with residential quarter distance recently, then add in the results set, otherwise give up; 45 spend processing: if remote adjacent cell arrives designated cell apart from arrive nearest residential quarter distance less than this designated cell 3 times, then add in the results set, otherwise give up.
As shown in Figure 3: be initial point with A residential quarter (designated cell), do not have other residential quarters in A and the 45 degree scope angles, line both sides, B residential quarter, then B directly is the ground floor adjacent cell of A.
All the other situations are as shown in Figure 4:
1. be initial point with the A residential quarter, the B residential quarter directly is the ground floor adjacent cell of A residential quarter recently;
2.A the angle that the line of residential quarter and C residential quarter and A residential quarter and B residential quarter forms is less than 15 degree, then the ground floor adjacent cell of A residential quarter is also calculated in the C residential quarter;
3.A the angle that the line of residential quarter and D residential quarter and A residential quarter and B residential quarter forms is less than 30 degree, and the D residential quarter to the distance of A residential quarter less than B residential quarter 2 times to the distance of A residential quarter, then the D residential quarter also is the ground floor adjacent cell of A residential quarter;
4.A the angle that the line of residential quarter and F residential quarter and A residential quarter and B residential quarter forms is less than 30 degree, but the F residential quarter to the distance of A residential quarter greater than B residential quarter 2 times to the distance of A residential quarter, then the F residential quarter does not belong to the ground floor adjacent cell of A;
5.A the angle that the line of residential quarter and E residential quarter and A residential quarter and B residential quarter forms is less than 45 degree, and the E residential quarter to the distance of A residential quarter less than B residential quarter 3 times to the distance of A residential quarter, then the E residential quarter also is the ground floor adjacent cell of A residential quarter;
6.A the angle that the line of residential quarter and G residential quarter and A residential quarter and B residential quarter forms is less than 45 degree, but the G residential quarter to the distance of A residential quarter greater than B residential quarter 3 times to the distance of A residential quarter, then the G residential quarter does not belong to the ground floor adjacent cell of A.
Preferably, in the embodiment of the invention, judge that the method for the deflection relation between designated cell and the adjacent cell is specially:
If the deflection of designated cell and adjacent cell forms relativeness, and the deflection of two residential quarters determines then that in the same side of two residential quarter lines the deflection pass of designated cell and this adjacent cell is the homonymy relativeness;
If the deflection of designated cell and adjacent cell forms relativeness, and the deflection of two residential quarters determines then that in the both sides of two residential quarter lines the deflection pass of designated cell and this adjacent cell is the heteropleural relativeness;
If designated cell forms identical relation with the deflection of adjacent cell, this adjacent cell deflection points to designated cell, and the deflection of two residential quarters determines then that in the same side of two residential quarter lines the deflection pass of designated cell and this adjacent cell is that homonymy concerns greatly in the same way;
If designated cell forms identical relation with the deflection of adjacent cell, the designated cell deflection points to this adjacent cell, and the deflection of two residential quarters determines then that in the same side of two residential quarter lines the deflection pass of designated cell and this adjacent cell is the little correlation between the accumulation rate and speed of homonymy;
If designated cell forms identical relation with the deflection of adjacent cell, this adjacent cell deflection points to designated cell, and the deflection of two residential quarters determines then that in the both sides of two residential quarter lines the deflection pass of designated cell and this adjacent cell is that heteropleural concerns greatly in the same way;
If designated cell forms identical relation with the deflection of adjacent cell, the designated cell deflection points to this adjacent cell, and the deflection of two residential quarters determines then that in the both sides of two residential quarter lines the deflection pass of designated cell and this adjacent cell is the little correlation between the accumulation rate and speed of heteropleural;
If designated cell is not relative and inequality with the deflection of adjacent cell, and the deflection of two residential quarters determines then that in the same side of two residential quarter lines the deflection pass of designated cell and this adjacent cell is that homonymy concerns dorsad;
If designated cell is not relative and inequality with the deflection of adjacent cell, and the deflection of two residential quarters determines then that in the both sides of two residential quarter lines the deflection pass of designated cell and this adjacent cell is that heteropleural concerns dorsad.
To shown in the 5-8, based on geographical position, residential quarter, deflection, be eight kinds of situations with deflection contextual definition between designated cell and the adjacent cell as Fig. 5-1:
1, homonymy relativeness.
If the deflection of two residential quarters forms relativeness, and the deflection of two residential quarters is in the same side of two residential quarter lines, and then delimiting is that two residential quarter deflection homonymies are relative, disturbs rank the highest, is defined as 1 grade.Be depicted as A and B homonymy relativeness as Fig. 5-1.
2, heteropleural relativeness.
If the deflection of two residential quarters forms relativeness, and the deflection of two residential quarters is in the both sides of two residential quarter lines, and then delimiting is that two residential quarter deflection heteropleurals are relative, disturbs rank to be defined as 2 grades.Be depicted as A and B heteropleural relativeness as Fig. 5-2.
3, homonymy concerns greatly in the same way.
If the deflection of two residential quarters forms identical relation, simultaneously the adjacent cell deflection points to the residential quarter, and the deflection of two residential quarters is in the same side of two residential quarter lines, and then delimiting is that two residential quarter deflection homonymies are in the same way little, disturbs rank to be defined as 3 grades.Homonymy is little to have relativeness greatly in the same way with homonymy in the same way, namely A and B homonymy greatly in the same way, then B and A homonymy are in the same way little.Be depicted as A and the B homonymy concerns greatly in the same way as Fig. 5-3.
4, the little correlation between the accumulation rate and speed of homonymy.
If the deflection of two residential quarters forms identical relation, simultaneously the residential quarter deflection points to adjacent cell, and the deflection of two residential quarters is in the same side of two residential quarter lines, then delimit be two residential quarter deflection homonymies greatly in the same way, disturb rank to be defined as 4 grades.Be depicted as A and the little correlation between the accumulation rate and speed of B homonymy as Fig. 5-4.
5, heteropleural concerns greatly in the same way.
If the deflection of two residential quarters forms identical relation, simultaneously the adjacent cell deflection points to the residential quarter, and the deflection of two residential quarters is in the both sides of two residential quarter lines, and then delimiting is that two residential quarter deflection heteropleurals are in the same way little, disturbs rank to be defined as 5 grades.Heteropleural is little to have relativeness greatly in the same way with heteropleural in the same way, namely A and B heteropleural greatly in the same way, then B and A heteropleural are in the same way little.Be depicted as A and the B heteropleural concerns greatly in the same way as Fig. 5-5.
6, the little correlation between the accumulation rate and speed of heteropleural.
If the deflection of two residential quarters forms identical relation, simultaneously the residential quarter deflection points to adjacent cell, and the deflection of two residential quarters is in the both sides of two residential quarter lines, and then delimiting is that two residential quarter deflection heteropleurals are in the same way little, disturbs rank to be defined as 6 grades.Be depicted as A and the little correlation between the accumulation rate and speed of B heteropleural as Fig. 5-6.
7, homonymy concerns dorsad.
If two residential quarters are neither relative, not in the same way, and the deflection of two residential quarters is not in the same side of two residential quarter lines yet, then delimit be two residential quarter deflection homonymies dorsad, disturb rank to be defined as 7 grades.Be depicted as A and the B homonymy concerns dorsad as Fig. 5-7.
8, heteropleural concerns dorsad.
If two residential quarters are neither relative, not in the same way, and the deflection of two residential quarters is not in the both sides of two residential quarter lines yet, then delimit be two residential quarter deflection heteropleurals dorsad, disturb rank to be defined as 8 grades.Be depicted as A and the B heteropleural concerns dorsad as Fig. 5-8.
In the embodiment of the invention, based on above-mentioned relation explanation to designated cell and adjacent cell deflection, in the set of described adjacent area, can judge the deflection relation between designated cell and each adjacent cell respectively, filter out the adjacent cell that the deflection relation satisfies disturbed condition.
Here, described disturbed condition is that deflection relation between designated cell and the adjacent cell satisfies homonymy relativeness, heteropleural relativeness, homonymy and concerns greatly in the same way and the little correlation between the accumulation rate and speed of homonymy.That is to say that need filter out and disturb rank is preceding 4 grades adjacent cell.Certainly, those skilled in the art also can adjust the rank of needs screening according to actual conditions, and the embodiment of the invention is not restricted this.
The adjacent cell that the embodiment of the invention provides obtains a certain adjacent cell of designated cell earlier with adjacent interference optimization processing method frequently, judges the deflection relation between designated cell and adjacent cell then, and filtering and disturbing rank is preceding 4 grades adjacent cell.On this basis, the combining wireless network is crossed the same adjacent relation frequently of the cell frequency scheme query analysis minizone of basic data.If preceding 4 grades of adjacent cells between have identical frequency point allocation, it is right then to be judged as inter-frequency interference cell; If have frequency point number to differ to be 1 frequency point allocation, judge that then this adjacent cell is to interfered cell is right frequently for adjacent.Concern according to the frequency point allocation between each adjacent cell and the designated cell, determine with designated cell between be that co-channel interference relation or adjacent interference relationships frequently are specially: judge if having identical frequency point allocation between adjacent cell and the designated cell, then determine to have co-channel interference between this adjacent cell and the designated cell; Judge if it is 1 that the frequency point number between adjacent cell and the designated cell differs, then determine to exist between this adjacent cell and the designated cell neighbour to disturb frequently.And then, according to actual scene, to being optimized processing with adjacent the interference frequently, namely according to adjacent frequency analysis result serious same adjacent interference problem frequently being carried out the adjustment of emphasis frequency optimization, disturb frequently to reduce the same adjacent of adjacent cell, realize the optimization of network.
As seen, the embodiment of the invention provides a kind of adjacent cell with adjacent interference optimization processing method frequently, a kind of scientific and efficient same adjacent algorithm of interference analysis frequently of the proposition of novelty, based on the geographical position, residential quarter, deflection etc., can realize automated analysis to same adjacent the interference frequently that adjacent cell exists, and disturb frequently with adjacent between locating base station fast and accurately, and then carry out and optimization process according to the same adjacent frequency interference signal that analysis obtains, reduce with adjacent signal effects of jamming frequently to reach, this programme can significantly promote analysis efficiency, thereby effectively guarantees follow-up radio network optimization work quality.
Need to prove, verify according to practical effect, use this with more than the analysis rate of accuracy reached to 98% of adjacent interference optimization treatment technology frequently to the same adjacent interference problem frequently in the wireless network, Inter(R) Duo CPU T2450@2.00GHz Core(TM), the 2G internal memory, analysis efficiency is 100 residential quarters/more than second under the win7 system environments.The same adjacent frequency analysis technology of using this innovation can save labour turnover greatly, improves the accuracy that the wireless network interference problem is analyzed, and has important engineering application value.
In addition, referring to Fig. 6, the embodiment of the invention provides a kind of adjacent cell with adjacent interference optimization treatment facility frequently, and described equipment specifically comprises:
Set computing module 601 in adjacent area is used for according to the residential quarter neighboring BS relationship, calculates the adjacent cell that forms the ground floor proximity relations with designated cell, obtains forming the adjacent area set of at least one adjacent cell of ground floor proximity relations;
Screening module 602 is used in the set of described adjacent area, judges the deflection relation between designated cell and each adjacent cell respectively, and filters out the adjacent cell that the deflection relation satisfies disturbed condition;
With the adjacent determination module 603 that frequently disturbs, be used at the adjacent cell that filters out, according to the relation of the frequency point allocation between each adjacent cell and the designated cell, determine and designated cell between be co-channel interference relation or adjacent interference relationships frequently;
Disturb processing module 604, be used for according to actual scene, to being optimized processing with adjacent the interference frequently, disturb frequently to reduce the same adjacent of adjacent cell.
Wherein, described adjacent area set computing module comprises:
First computing unit, being used for judging with the designated cell is initial point, in the degree of 45 centered by pre-treatment residential quarter and designated cell line angular range, whether other adjacent cells are arranged, if there are not other adjacent cells, determine that then working as the pre-treatment residential quarter is the adjacent cell of ground floor proximity relations, adds in the set of adjacent area.
15 degree computing units, being used for the designated cell is initial point, other adjacent cell positions are in 15 angular range centered by pre-treatment residential quarter and the designated cell line, whether the distance of calculating adjacent cell and designated cell is nearest, if determine that then this adjacent cell is the adjacent cell of ground floor proximity relations, add in the set of adjacent area.
30 degree computing units, being used for the designated cell is initial point, other adjacent cell positions be in when centered by pre-treatment residential quarter and the designated cell line greater than 15 the degree and be less than or equal to 30 the degree angular range in, calculate the distance of this adjacent cell and designated cell, whether satisfy 2 times that are less than or equal to when the distance of pre-treatment residential quarter and designated cell, if satisfy, determine that then this adjacent cell is the adjacent cell of ground floor proximity relations, add in the set of adjacent area.
And, 45 degree computing units, being used for the designated cell is initial point, other adjacent cell positions be in when centered by pre-treatment residential quarter and the designated cell line greater than 30 the degree and be less than or equal to 45 the degree angular range in, calculate the distance of this adjacent cell and designated cell, whether satisfy 3 times that are less than or equal to when the distance of pre-treatment residential quarter and designated cell, if satisfy, determine that then this adjacent cell is the adjacent cell of ground floor proximity relations, add in the set of adjacent area.
Preferably, described screening module, concrete being used in the set of described adjacent area, judge respectively deflection between designated cell and each adjacent cell close be that homonymy is relative, heteropleural is relative, homonymy greatly in the same way, little in the same way, the heteropleural of homonymy greatly in the same way, little in the same way, the homonymy of heteropleural dorsad or heteropleural concern that dorsad therefrom filtering out disturbed condition, to satisfy that deflection between designated cell and the adjacent cell closes be that homonymy relativeness, heteropleural relativeness, homonymy concern and the adjacent cell of the little correlation between the accumulation rate and speed of homonymy greatly in the same way.
Need to prove that each module in the system embodiment of the present invention or the operation principle of submodule and processing procedure can repeat no more referring to the associated description of above-mentioned Fig. 1 to the method embodiment shown in Figure 4 herein.
As seen, the embodiment of the invention provides a kind of adjacent cell with adjacent interference optimization treatment facility frequently, a kind of scientific and efficient same adjacent algorithm of interference analysis frequently of the proposition of novelty, based on the geographical position, residential quarter, deflection etc., can realize automated analysis to same adjacent the interference frequently that adjacent cell exists, and disturb frequently with adjacent between locating base station fast and accurately, and then carry out and optimization process according to the same adjacent frequency interference signal that analysis obtains, reduce with adjacent signal effects of jamming frequently to reach, this programme can significantly promote analysis efficiency, thereby effectively guarantees follow-up radio network optimization work quality.
For the ease of the clear technical scheme of describing the embodiment of the invention, in inventive embodiment, adopted printed words such as " first ", " second " that function is distinguished with the essentially identical identical entry of effect or similar item, it will be appreciated by those skilled in the art that printed words such as " first ", " second " do not limit quantity and execution order.
One of ordinary skill in the art will appreciate that, realize that all or part of step in above-described embodiment method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program is when carrying out, comprise the steps: (step of method), described storage medium, as: ROM/RAM, magnetic disc, CD etc.
The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.All any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., all be included in protection scope of the present invention.
Claims (10)
1. an adjacent cell is characterized in that with adjacent interference optimization processing method frequently described method comprises:
According to the residential quarter neighboring BS relationship, calculate the adjacent cell that forms the ground floor proximity relations with designated cell, obtain forming the adjacent area set of at least one adjacent cell of ground floor proximity relations;
In the set of described adjacent area, judge the deflection relation between designated cell and each adjacent cell respectively, and filter out the adjacent cell that the deflection relation satisfies disturbed condition;
In the adjacent cell that filters out, according to the frequency point allocation between each adjacent cell and designated cell relation, determine and designated cell between be co-channel interference relation or adjacent interference relationships frequently;
According to actual scene, to being optimized processing with adjacent the interference frequently, disturb frequently to reduce the same adjacent of adjacent cell.
2. adjacent cell according to claim 1 is characterized in that with adjacent interference optimization processing method frequently, and is described according to the residential quarter neighboring BS relationship, and calculating comprises with the adjacent cell that designated cell forms the ground floor proximity relations:
Judgement is initial point with the designated cell, in the degree of 45 centered by pre-treatment residential quarter and designated cell line angular range, whether other adjacent cells is arranged, if there are not other adjacent cells, determines that then working as the pre-treatment residential quarter is the adjacent cell of ground floor proximity relations;
If other adjacent cells are arranged, then be initial point with the designated cell, according to the angular range centered by pre-treatment residential quarter and designated cell line and with other adjacent cells and designated cell between the adjacent cell of distance relation calculating formation ground floor proximity relations.
3. adjacent cell according to claim 2 is with adjacent interference optimization processing method frequently, it is characterized in that, described is initial point with the designated cell, comprises according to the angular range centered by pre-treatment residential quarter and designated cell line and with the adjacent cell of distance relation calculating formation ground floor proximity relations between other adjacent cells and the designated cell:
Calculate respectively with the designated cell is initial point, in the degree of 15 centered by pre-treatment residential quarter and designated cell line angular range, 30 degree angular range and 45 degree angular range, other adjacent cells and designated cell distance and the residential quarter of satisfying condition of proximity when pre-treatment residential quarter and designated cell distance relation are defined as the adjacent cell of ground floor proximity relations.
4. adjacent cell according to claim 3 is characterized in that with adjacent interference optimization processing method frequently, spends when angular range is less than or equal to 15, and described condition of proximity is that other adjacent cells and designated cell are nearest;
When angular range greater than 15 degree and be less than or equal to 30 degree, described condition of proximity is less than or equal to when pre-treatment residential quarter and designated cell distance 2 times for other adjacent cells and designated cell distance;
When angular range greater than 30 degree and be less than or equal to 45 degree, described condition of proximity is less than or equal to when pre-treatment residential quarter and designated cell distance 3 times for other adjacent cells and designated cell distance.
5. adjacent cell according to claim 4 is characterized in that with adjacent interference optimization processing method frequently the method for calculating the adjacent cell of ground floor proximity relations is specially:
Be initial point with the designated cell, judge that other adjacent cell positions are in the angular range centered by pre-treatment residential quarter and designated cell line;
If in 15 angular range, then calculate the distance of adjacent cell and designated cell, selected from the nearest adjacent cell of designated cell, determine that this adjacent cell is the adjacent cell of ground floor proximity relations;
If greater than 15 the degree and be less than or equal to 30 the degree angular range in, then calculate the distance of this adjacent cell and designated cell, whether satisfy 2 times that are less than or equal to when the distance of pre-treatment residential quarter and designated cell, if satisfy, determine that then this adjacent cell is the adjacent cell of ground floor proximity relations;
If greater than 30 the degree and be less than or equal to 45 the degree angular range in, then calculate the distance of this adjacent cell and designated cell, whether satisfy 3 times that are less than or equal to when the distance of pre-treatment residential quarter and designated cell, if satisfy, determine that then this adjacent cell is the adjacent cell of ground floor proximity relations.
6. adjacent cell according to claim 1 is characterized in that with adjacent interference optimization processing method frequently, judges that the method for the deflection relation between designated cell and the adjacent cell is specially:
If the deflection of designated cell and adjacent cell forms relativeness, and the deflection of two residential quarters determines then that in the same side of two residential quarter lines the deflection pass of designated cell and this adjacent cell is the homonymy relativeness;
If the deflection of designated cell and adjacent cell forms relativeness, and the deflection of two residential quarters determines then that in the both sides of two residential quarter lines the deflection pass of designated cell and this adjacent cell is the heteropleural relativeness;
If designated cell forms identical relation with the deflection of adjacent cell, this adjacent cell deflection points to designated cell, and the deflection of two residential quarters determines then that in the same side of two residential quarter lines the deflection pass of designated cell and this adjacent cell is that homonymy concerns greatly in the same way;
If designated cell forms identical relation with the deflection of adjacent cell, the designated cell deflection points to this adjacent cell, and the deflection of two residential quarters determines then that in the same side of two residential quarter lines the deflection pass of designated cell and this adjacent cell is the little correlation between the accumulation rate and speed of homonymy;
If designated cell forms identical relation with the deflection of adjacent cell, this adjacent cell deflection points to designated cell, and the deflection of two residential quarters determines then that in the both sides of two residential quarter lines the deflection pass of designated cell and this adjacent cell is that heteropleural concerns greatly in the same way;
If designated cell forms identical relation with the deflection of adjacent cell, the designated cell deflection points to this adjacent cell, and the deflection of two residential quarters determines then that in the both sides of two residential quarter lines the deflection pass of designated cell and this adjacent cell is the little correlation between the accumulation rate and speed of heteropleural;
If designated cell is not relative and inequality with the deflection of adjacent cell, and the deflection of two residential quarters determines then that in the same side of two residential quarter lines the deflection pass of designated cell and this adjacent cell is that homonymy concerns dorsad;
If designated cell is not relative and inequality with the deflection of adjacent cell, and the deflection of two residential quarters determines then that in the both sides of two residential quarter lines the deflection pass of designated cell and this adjacent cell is that heteropleural concerns dorsad.
7. adjacent cell according to claim 6 is with adjacent interference optimization processing method frequently, it is characterized in that described disturbed condition is that the deflection between designated cell and the adjacent cell concerns that satisfying homonymy relativeness, heteropleural relativeness, homonymy concerns and the little correlation between the accumulation rate and speed of homonymy greatly in the same way.
8. adjacent cell according to claim 1 is with adjacent interference optimization processing method frequently, it is characterized in that, described according to the frequency point allocation between each adjacent cell and designated cell relation, determine and designated cell between be that co-channel interference relation or adjacent interference relationships frequently comprise:
Judge if having identical frequency point allocation between adjacent cell and the designated cell, then determine to have co-channel interference between this adjacent cell and the designated cell;
Judge if it is 1 that the frequency point number between adjacent cell and the designated cell differs, then determine to exist between this adjacent cell and the designated cell neighbour to disturb frequently.
9. an adjacent cell is characterized in that with adjacent interference optimization treatment facility frequently described equipment comprises:
Set computing module in adjacent area is used for according to the residential quarter neighboring BS relationship, calculates the adjacent cell that forms the ground floor proximity relations with designated cell, obtains forming the adjacent area set of at least one adjacent cell of ground floor proximity relations;
The screening module is used in the set of described adjacent area, judges the deflection relation between designated cell and each adjacent cell respectively, and filters out the adjacent cell that the deflection relation satisfies disturbed condition;
With the adjacent determination module that frequently disturbs, be used at the adjacent cell that filters out, according to the relation of the frequency point allocation between each adjacent cell and the designated cell, determine and designated cell between be co-channel interference relation or adjacent interference relationships frequently;
Disturb processing module, be used for according to actual scene, to being optimized processing with adjacent the interference frequently, disturb frequently to reduce the same adjacent of adjacent cell.
10. adjacent cell according to claim 9 is characterized in that with adjacent interference optimization treatment facility frequently, and described adjacent area set computing module comprises:
First computing unit, being used for judging with the designated cell is initial point, in the degree of 45 centered by pre-treatment residential quarter and designated cell line angular range, whether other adjacent cells are arranged, if there are not other adjacent cells, determine that then working as the pre-treatment residential quarter is the adjacent cell of ground floor proximity relations, add in the set of adjacent area;
15 degree computing units, being used for the designated cell is initial point, other adjacent cell positions are in 15 angular range centered by pre-treatment residential quarter and the designated cell line, whether the distance of calculating adjacent cell and designated cell is nearest, if determine that then this adjacent cell is the adjacent cell of ground floor proximity relations, add in the set of adjacent area;
30 degree computing units, being used for the designated cell is initial point, other adjacent cell positions be in when centered by pre-treatment residential quarter and the designated cell line greater than 15 the degree and be less than or equal to 30 the degree angular range in, calculate the distance of this adjacent cell and designated cell, whether satisfy 2 times that are less than or equal to when the distance of pre-treatment residential quarter and designated cell, if satisfy, determine that then this adjacent cell is the adjacent cell of ground floor proximity relations, add in the set of adjacent area;
45 degree computing units, being used for the designated cell is initial point, other adjacent cell positions be in when centered by pre-treatment residential quarter and the designated cell line greater than 30 the degree and be less than or equal to 45 the degree angular range in, calculate the distance of this adjacent cell and designated cell, whether satisfy 3 times that are less than or equal to when the distance of pre-treatment residential quarter and designated cell, if satisfy, determine that then this adjacent cell is the adjacent cell of ground floor proximity relations, add in the set of adjacent area;
Described screening module, concrete being used in the set of described adjacent area, judge respectively deflection between designated cell and each adjacent cell close be that homonymy is relative, heteropleural is relative, homonymy greatly in the same way, little in the same way, the heteropleural of homonymy greatly in the same way, little in the same way, the homonymy of heteropleural dorsad or heteropleural concern that dorsad therefrom filtering out disturbed condition, to satisfy that deflection between designated cell and the adjacent cell closes be that homonymy relativeness, heteropleural relativeness, homonymy concern and the adjacent cell of the little correlation between the accumulation rate and speed of homonymy greatly in the same way.
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| CN103347263B (en) | 2016-05-25 |
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