CN101742515A - Method for dividing POOL zone of mobile communication network - Google Patents
Method for dividing POOL zone of mobile communication network Download PDFInfo
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- CN101742515A CN101742515A CN200910219316A CN200910219316A CN101742515A CN 101742515 A CN101742515 A CN 101742515A CN 200910219316 A CN200910219316 A CN 200910219316A CN 200910219316 A CN200910219316 A CN 200910219316A CN 101742515 A CN101742515 A CN 101742515A
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Abstract
The invention relates to the field of mobile communication networks, and discloses a method for dividing a POOL zone of the mobile communication network, which comprises the following steps: the first step, confirming the number M of the POOL zones of a plan service zone; the second step, acquiring an MSC exchange zone map of a current network: by an MAPinfo or a googleearth tool, inputting cell identification codes CELL ID and longitude and latitude information of all base stations of the plan service zone, obtaining the MSC exchange zone map of the current network, and numbering each MSC exchange zone; and the third step, carrying out POOL zone division on the plan service zone according to a principle of zone continuity.
Description
Technical field
The present invention relates to the mobile communications network field, the method that particularly a kind of POOL pond zoning that is used for mobile communications network is divided.
Background technology
Along with the expansion of mobile network's scale, have following three problems to bring very big puzzlement and difficulty to operator: the one, in a multi-area networking mode, tens exchange areas easily, the exchange area of how making rational planning for is with the performance maximum efficiency; The 2nd, exchange area is many more, and regional planning is unreasonable, and the frequency of user position update and switching is high more, has greatly consumed the disposal ability of moving exchanging center MSC, thereby causes that MSC can reduce with the heap(ed) capacity that carries, and also causes more network risks; The 3rd, the disaster tolerance of high efficiency, low cost and communication support means.
The POOL technology comes from a kind of theory and the technical scheme that defines among the 3GPP TS23.236, is considered to and can addresses the above problem, and has been subjected to the extensive concern of operator and equipment vendors.But the POOL technology that defines among the 3GPP TS23.236 exists a lot of technology prerequisite and applicating skill in actual applications.Wherein, the POOL technology can reduce the position and upgrade, switches the frequency, improves equipment complex interest rate usefulness, promotes disaster tolerance usefulness.
Present stage, operator and equipment vendors pay close attention to is the technological means that realizes of POOL and networking topology etc., and ignores to some extent for the technical scheme that pond zoning that can actual performance POOL performance is divided.The Systems Theory of dividing about POOL pond zoning and the research of technical scheme are less.The division of so-called POOL Chi Qu is exactly by will a plurality of exchange areas originally to operations such as the statistics of the analysis of the natural law of user, service distribution, information data, filtration, screenings being divided into several Chi Qu still less.As: the radio coverage of all the MSC node services in the same POOL just can be referred to as a Chi Qu.In fact the POOL effect is only disposed under suitable scene and could really be brought into play, otherwise runs counter to desire, and is not only unhelpful in network quality, also can increase the difficulty of maintenance.Therefore, POOL pond zoning branch is the very important link of performance POOL technology.
Summary of the invention
Main purpose of the present invention is to provide a kind of method that is used for the POOL pond zoning branch of mobile communications network, can carry out rational POOL pond zoning branch to the planning service area, with the actual usefulness of performance POOL technology in mobile communications network.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
The method that a kind of POOL pond zoning that is used for mobile communications network is divided is characterized in that, may further comprise the steps:
The first step, confirm the number M of the POOL Chi Qu of planning service area: according to the network management platform server of the existing network of planning service area about the best management scope N1-N2 of 1 POOL Chi Qu to moving exchanging center MSC quantity, determine the initial value N of the MSC number of nodes in the district of POOL pond
Wherein N1 is the minimum value of the best management scope of MSC quantity, and N2 is the maximum of the best management scope of MSC quantity, and then M is the value of rounding up of A/N, and A is the MSC number of planning service area;
Second step, obtain the MSC exchange area figure of existing network: by MAPinfo or googleearth instrument, the cell ID CELL ID and the latitude and longitude information of all base stations of service area planned in input, obtains the MSC exchange area figure of existing network, and each MSC exchange area is numbered;
In the 3rd step, the planning service area is carried out POOL pond zoning branch according to the region principle of continuity:
At first, obtain from the network management platform server that position between the existing network MSC exchange area is upgraded and the statistics of switching times, constitute one group of data [L
Ij], i, j are respectively the numbering of MSC exchange area, L
IjFor upgrading and the switching times sum position of corresponding two adjacent MSC exchange areas; To array [L
Ij] L that averages, assigned address upgrades, the threshold value L of switching times,
L=a * L, weight coefficient a=1.0-1.5
Secondly, the position that utilizes diagrammatic representation in the MSC of existing network exchange area figure, to identify adjacent MSC exchange area upgrade and switching times more than or equal to the high frequency time exchange border, region of L, otherwise exchange the border, region for the low frequency;
At last, according to the initial value N of the MSC number of nodes in the district of POOL pond, in conjunction with region in the district of same POOL pond continuously and POOL Chi Qu border be low frequency exchange border, region, dividing the planning service area is M POOL Chi Qu.
Further optimization of the present invention and improvement are:
(1) according to the network management platform server of existing network of planning service area, obtain the Erl of busy-hour traffic day by day of each MSC, carry out the daily fluctuation analysis, period when determining that day of each MSC is busy, according to the principle of professional period distribution straggly when busy in the district of same POOL pond day, adjust for the division of the MSC exchange area on POOL Chi Qu border.
(2) according to the network management platform server of existing network of planning service area, obtain the busy-hour traffic month by month of each MSC, carry out the annual oscillations analysis, determine year traffic peak, the low-valley interval of each MSC, according to the principle of the distribution straggly of year traffic peak, low-valley interval in the district of same POOL pond, adjust for the division of the MSC exchange area on POOL Chi Qu border.
(3) according to the network management platform server of existing network of planning service area, obtain the busy-hour traffic day by day of each MSC, calculate the traffic density of the unit are of each MSC exchange area, the MSC exchange area is divided into high, medium and low traffic density district, according to the principle of the three-dimensional distribution straggly of high, medium and low traffic density in the district of same POOL pond, adjust for the division of the MSC exchange area on POOL Chi Qu border.
Because the present invention carries out the zoning timesharing of POOL pond at the planning service area, same POOL Chi Qu region is continuous, the MSC exchange area planning that the position is upgraded and switching times is high is in same POOL, having reduced the position in interval, POOL pond upgrades and switching, reduce the processing expenditure of MSC, promoted the comprehensive utilization ratio of MSC.
In addition, the present invention adopts respectively or adopts simultaneously according to the principle of the three-dimensional distribution straggly of the high, medium and low traffic density in principle, same POOL pond district of the distribution straggly of the principle of professional period distribution straggly when busy in the district of same POOL pond day, same POOL pond district year traffic peak, low-valley interval and said method is further improved and optimizes, further promoted the comprehensive utilization ratio of MSC, improved tolerance and the network level disaster tolerance performance of network, brought into play the application usefulness of POOL technology in mobile communications network effectively peak load.
Description of drawings
Be described in further details of the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the conceptual schematic view of POOL Chi Qu;
Fig. 2 is the MSC exchange area figure of certain planning service area existing network;
Fig. 3 upgrades and switching frequency analysis figure for the position between certain planning service area MSC exchange area;
Analysis chart when Fig. 4 hurries for day business of certain each MSC of planning service area;
First distribution map when Fig. 5 plans that for certain day of each MSC exchange area of service area does;
Second distribution map (hypothesis) when Fig. 6 plans that for certain day of each MSC exchange area of service area does;
Fig. 7 is the traffic density distribution map of certain each MSC exchange area of planning service area.
Embodiment
The method that the POOL pond zoning that is used for mobile communications network of the present invention is divided mainly may further comprise the steps:
The first step, confirm that the planning service area (is generally 1 administrative area of coverage, the number M of POOL Chi Qu as shown in Figure 1): about the best management scope N1-N2 of 1 POOL Chi Qu, determine the initial value N of the MSC number of nodes in the district of POOL pond to moving exchanging center MSC quantity according to the network management platform server of existing network of planning service area.
It is 4～8 that present stage is recommended the best management scope of the MSC quantity that 1 POOL Chi Qu supports, i.e. N1=4, and N2=8, then the N initial value is 6.
A is the MSC number of planning service area, and then the number M of the POOL Chi Qu of this planning service area is the value of rounding up of A/N.
Second goes on foot, and obtains the MSC exchange area figure of existing network: supposing needs carry out POOL pond section planning to certain planning service area (certain administrative area of coverage) now.By MAPinfo or google earth instrument, the cell ID CELL ID and the latitude and longitude information of all base stations of service area planned in input, obtains the MSC exchange area figure of existing network, and each MSC exchange area is numbered, referring to shown in Figure 2.
According to the algorithm of the first step, the MSC number of planning service area shown in Figure 2 is 9, and the number M of calculating POOL Chi Qu is 2.
The 3rd step: planning service area shown in Figure 2 is carried out POOL pond zoning branch.
At first, obtain from the network management platform server that position between the existing network MSC exchange area is upgraded and the statistics of switching times, constitute one group of data [Lij], i, j are respectively the numbering of MSC exchange area, and Lij is that the position of corresponding two adjacent MSC exchange areas is upgraded and the switching times sum; To array [Lij] L that averages, assigned address upgrades, the threshold value L of switching times,
L=a * L, weight coefficient a=1.0-1.5
Secondly, as shown in Figure 3, the position that utilizes diagrammatic representation in the MSC of existing network exchange area figure, to identify adjacent MSC exchange area upgrade and switching times more than or equal to the high frequency time exchange border, region of L, otherwise exchange the border, region for the low frequency.
At last, according to the initial value N=6 of the MSC number of nodes in the district of POOL pond, in conjunction with region in the district of same POOL pond continuously and POOL Chi Qu border be low frequency exchange border, region, dividing the planning service area is 2 POOL Chi Qu, for:
■POOL?1：【GM1，GM2，GM4，GM5】；
■POOL?2：【GM3，GM6，GM7，GM8，GM9】。
When dividing POOL pond district, the MSC number of different POOL Chi Qu is wanted relative equilibrium.
On the basis of the tentative programme that the POOL pond zoning that obtains planning service area is divided, method is done further to optimize and improve to the present invention below adopting respectively:
(1) according to the network management platform server of existing network of planning service area, obtain the Erl of busy-hour traffic day by day of each MSC, carry out the daily fluctuation analysis, period when determining that day of each MSC is busy, according to the principle of professional period distribution straggly when busy in the district of same POOL pond day, adjust for the division of the MSC exchange area on POOL Chi Qu border.
At first, as shown in Figure 4, the Erl of busy-hour traffic day by day of each MSC of the existing network by the planning service area that obtains carries out the daily fluctuation analysis, the period when having determined that day of each MSC is busy.
Secondly, distribution situation when marking doing day of each MSC with legend on the basis of original Fig. 2 is referring to shown in Figure 5.
At last, the principle of period distribution straggly during according in the district of same POOL pond day professional hurrying, division for the MSC exchange area on POOL Chi Qu border is adjusted: distribution situation as shown in Figure 5 when supposing that day of each MSC exchange area of this planning service area is busy, satisfied the requirement of period distribution straggly when day business is busy in the district of same POOL pond, the pond zoning offshoot program of corresponding POOL need not to adjust again; Otherwise, distribution situation as shown in Figure 6 when supposing that day of each MSC exchange area of this planning service area is busy, the period was in full accord when the day of the geographic area that GM1, GM2, GM4 and GM5 covered that POOL 1 is had jurisdiction over, business was busy, be unfavorable for promoting the MSC comprehensive utilization ratio, the division of the MSC exchange area on reply POOL Chi Qu border is adjusted.In conjunction with the situation of Fig. 2, GM6, GM3 are adjusted among the POOL 1.POOL pond zoning after the optimization is divided into:
■POOL?1：【GM1，GM2，GM3，GM4，GM5，GM6】
■POOL?2：【GM7，GM8，GM9】
Adjusted POOL pond zoning divide satisfied the region district of same POOL pond in continuously and POOL Chi Qu border exchange the requirement on border, region for the low frequency, also satisfied the requirement of period distribution straggly when day business is busy in the district of same POOL pond as far as possible, reduce the renewal of interoffice position, number of handovers, improved the rate of comprehensive utilization of equipment.
(2) according to the network management platform server of existing network of planning service area, obtain the busy-hour traffic month by month of each MSC, carry out the annual oscillations analysis, determine year traffic peak, the low-valley interval of each MSC, according to the principle of the distribution straggly of year traffic peak, low-valley interval in the district of same POOL pond, adjust for the division of the MSC exchange area on POOL Chi Qu border.
This optimization method is mainly used in planning that service area has the zone of tangible user and traffic carrying capacity seasonal fluctuation, sharply descend such as colleges and universities' area of coverage traffic carrying capacity during summer vacation, winter vacation, and user, traffic carrying capacity refluxes during the new term begins; The dense city person of working returns to one's native place and causes the subregion traffic carrying capacity to descend during such as the Spring Festival, and suburbs and counties under the jurisdiction of a large city work because of going out to return to one's native place and cause the traffic carrying capacity rising.When the year of each MSC exchange area in the district of same POOL pond traffic peak, low-valley interval distribution straggly, utilize their otherness to form complementation, thereby improved the rate of comprehensive utilization of equipment.
(3) according to the network management platform server of existing network of planning service area, obtain the busy-hour traffic day by day of each MSC, calculate the traffic density of the unit are of each MSC exchange area, the MSC exchange area is divided into high, medium and low traffic density district, according to the principle of the three-dimensional distribution straggly of high, medium and low traffic density in the district of same POOL pond, adjust for the division of the MSC exchange area on POOL Chi Qu border.
This optimization method is mainly used in planning that professional interior each MSC exchange area has the zone of tangible traffic density difference.Concrete method of operation is as follows:
At first, the traffic density D to each MSC exchange area of planning service area analyzes.So-called traffic density analysis is exactly area S, the total traffic E (Erl) that imports each MSC exchange area, the traffic density D of statistical unit area, D=E/S.Be divided into high, medium and low traffic density Three Estate according to statistics.Wherein the threshold value of each grade can be defined by operator according to local industry level, and generally speaking, middle traffic density district is an averag density, the traffic carrying capacity in three class zones respectively account for planning service area total traffic 1/3.
Secondly, the traffic density distribution situation of each MSC exchange area of planning service area is labeled in intuitively with different legends on each MSC exchange area figure of existing network of Fig. 2, referring to shown in Figure 7.
At last, with reference to traffic density distribution situation shown in Figure 7,, adjust for the division of the MSC exchange area on POOL Chi Qu border according to the principle of the three-dimensional distribution straggly of high, medium and low traffic density in the district of same POOL pond.The mean value D of traffic density in by this method can each POOL of balance, promptly
I is a MSC node number in the POOL
Can improve tolerance and the network level disaster tolerance performance of network effectively through the POOL pond zoning branch after the traffic density equilibrium to peak load.
Claims (4)
1. a method that is used for the POOL pond zoning branch of mobile communications network is characterized in that, may further comprise the steps:
The first step, confirm the number M of the POOL Chi Qu of planning service area: according to the network management platform server of the existing network of planning service area about the best management scope N1-N2 of 1 POOL Chi Qu to moving exchanging center MSC quantity, determine the initial value N of the MSC number of nodes in the district of POOL pond
Wherein N1 is the minimum value of the best management scope of MSC quantity, and N2 is the maximum of the best management scope of MSC quantity, and then M is the value of rounding up of A/N, and A is the MSC number of planning service area;
Second step, obtain the MSC exchange area figure of existing network: by MAPinfo or googleearth instrument, the cell ID CELL ID and the latitude and longitude information of all base stations of service area planned in input, obtains the MSC exchange area figure of existing network, and each MSC exchange area is numbered;
In the 3rd step, the planning service area is carried out POOL pond zoning branch according to the region principle of continuity:
At first, obtain from the network management platform server that position between the existing network MSC exchange area is upgraded and the statistics of switching times, constitute one group of data [L
Ij], i, j are respectively the numbering of MSC exchange area, L
IjFor upgrading and the switching times sum position of corresponding two adjacent MSC exchange areas; To array [L
Ij] L that averages, assigned address upgrades, the threshold value L of switching times,
L=a * L, weight coefficient a=1.0-1.5
Secondly, the position that utilizes diagrammatic representation in the MSC of existing network exchange area figure, to identify adjacent MSC exchange area upgrade and switching times more than or equal to the high frequency time exchange border, region of L, otherwise exchange the border, region for the low frequency;
At last, according to the initial value N of the MSC number of nodes in the district of POOL pond, in conjunction with region in the district of same POOL pond continuously and POOL Chi Qu border be low frequency exchange border, region, dividing the planning service area is M POOL Chi Qu.
2. the method that a kind of POOL pond zoning that is used for mobile communications network according to claim 1 is divided, it is characterized in that, also comprised for the 4th step: according to the network management platform server of the existing network of planning service area, obtain the Erl of busy-hour traffic day by day of each MSC, carry out the daily fluctuation analysis, period when determining that day of each MSC is busy,, adjust for the division of the MSC exchange area on POOL Chi Qu border according to the principle of professional period distribution straggly when busy in the district of same POOL pond day.
3. the method that a kind of POOL pond zoning that is used for mobile communications network according to claim 1 is divided, it is characterized in that, also wrapped for the 4th step: according to the network management platform server of the existing network of planning service area, obtain the busy-hour traffic month by month of each MSC, carry out the annual oscillations analysis, determine year traffic peak, the low-valley interval of each MSC, according to the principle of the distribution straggly of year traffic peak, low-valley interval in the district of same POOL pond, adjust for the division of the MSC exchange area on POOL Chi Qu border.
4. the method that a kind of POOL pond zoning that is used for mobile communications network according to claim 1 is divided, it is characterized in that, also comprised for the 4th step: according to the network management platform server of the existing network of planning service area, obtain the busy-hour traffic day by day of each MSC, calculate the traffic density of the unit are of each MSC exchange area, the MSC exchange area is divided into high, medium and low traffic density district, according to the principle of the three-dimensional distribution straggly of high, medium and low traffic density in the district of same POOL pond, adjust for the division of the MSC exchange area on POOL Chi Qu border.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106454857A (en) * | 2015-08-13 | 2017-02-22 | 中国移动通信集团设计院有限公司 | Evaluation method and device for network planning |
| CN113747449A (en) * | 2021-07-26 | 2021-12-03 | 山东师范大学 | Region pool dividing method and system for multi-access edge computing server |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101415222A (en) * | 2007-10-15 | 2009-04-22 | 华为技术有限公司 | Method and apparatus for controlling call with mobile switching centre pond networking mode |
| CN101553033B (en) * | 2009-04-14 | 2011-05-04 | 中国联合网络通信集团有限公司 | A pool management method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106454857A (en) * | 2015-08-13 | 2017-02-22 | 中国移动通信集团设计院有限公司 | Evaluation method and device for network planning |
| CN113747449A (en) * | 2021-07-26 | 2021-12-03 | 山东师范大学 | Region pool dividing method and system for multi-access edge computing server |
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