CN102905304A - Network coverage detection method and device - Google Patents

Network coverage detection method and device Download PDF

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Publication number
CN102905304A
CN102905304A CN2012104244773A CN201210424477A CN102905304A CN 102905304 A CN102905304 A CN 102905304A CN 2012104244773 A CN2012104244773 A CN 2012104244773A CN 201210424477 A CN201210424477 A CN 201210424477A CN 102905304 A CN102905304 A CN 102905304A
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described
base station
greater
signal intensity
signal strength
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CN2012104244773A
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CN102905304B (en
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赵元
盛煜
王蕴实
张香云
吕召彪
王健全
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中国联合网络通信集团有限公司
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Abstract

The invention provides a network coverage detection method and device. The method comprises the following steps of: receiving sampling point information reported by UE (User Equipment), wherein the sampling point information comprises position information in which the UE is located and signal intensity; determining a measurement zone in which the UE is located according to the position information; determining whether the signal intensity exceeds a signal intensity threshold corresponding to the measurement zone in which the UE is located; and determining that the measurement zone is within the coverage range of the base station when the signal intensity exceeds the signal intensity threshold. Therefore, the coverage range of the base station is determined, and the efficiency of determining the coverage range of the base station is improved.

Description

Network coverage detection method and device

Technical field

The present invention relates to the communication technology, relate in particular to a kind of network coverage detection method and device.

Background technology

Mobile communication is from the 3G (Third Generation) Moblie technology to the 4th third-generation mobile communication technology evolution.Simultaneously, Long Term Evolution (Long Term Evolution, be called for short LTE) is owing to have the performances such as higher data rate, lower time of delay and network flattening, and is applied in more and more widely in the 4th third-generation mobile communication technology.

Whether existing definite base station covering radius and adjacent base station exist blind area or the method for overlapping covering to be, after base station deployment, use the drive test instrument to the network coverage radius that measures on the spot each residential quarter by the staff, then artificially set coverage condition between each base station by the Operation and Maintenance personnel according to the network coverage radius of each residential quarter of measuring, and manually in the operation management maintain of network side, configure the relation between each subzone network.

Yet prior art need to be determined the covering radius of residential quarter according to the bulk information that gathers in the process of determining network coverage radius, thereby causes the efficient of determining network coverage lower.

Summary of the invention

The invention provides a kind of network coverage detection method and device, to improve the efficient of determining network coverage.

The invention provides a kind of network coverage detection method, comprising:

Receive the sampling point information that UE reports, described sampling point information comprises the residing positional information of described UE and signal strength signal intensity;

According to described positional information, determine the residing measured zone of described UE;

Determine that whether described signal strength signal intensity is greater than the signal strength threshold corresponding with described measured zone;

If greater than described signal strength threshold, determine that then described measured zone is in the coverage of described base station.

The invention provides a kind of network coverage detection device, comprising:

Receiver module is used for receiving the sampling point information that UE reports, and described sampling point information comprises the residing positional information of described UE and signal strength signal intensity;

The measured zone determination module is used for according to described positional information, determines the residing measured zone of described UE;

Whether determination module is used for determining described signal strength signal intensity greater than the signal strength threshold corresponding with described measured zone, if greater than described signal strength threshold, determines that then described measured zone is in the coverage of described base station.

Network coverage detection method of the present invention and device, the sampling point information that reports by receiving UE, determine the residing measured zone of sampled point according to the residing positional information of sampled point, determine that according to the signal strength signal intensity of sampled point the residing measured zone of sampled point is whether in the coverage of base station again, thereby realized the determining of base station range, and then improved the efficient of definite base station range.

Description of drawings

Fig. 1 is the flow chart of network coverage detection method embodiment one of the present invention;

Fig. 2 is the flow chart of network coverage detection method embodiment two of the present invention;

Fig. 3 is the flow chart of network coverage detection method embodiment three of the present invention;

Fig. 4 is the structural representation of network coverage detection device embodiment one of the present invention;

Fig. 5 is the structural representation of network coverage detection device embodiment two of the present invention;

Fig. 6 is the structural representation of network coverage detection device embodiment three of the present invention;

Fig. 7 is the structural representation of network coverage detection device embodiment four of the present invention.

Embodiment

The network coverage detection method that the embodiment of the invention provides specifically can be applied to communication system determining the base station network coverage, this communication system is specifically as follows code division multiple access (Code Division Multiple Access, be called for short CDMA), TD SDMA (Time Division-Synchronous Code Division Multiple Access, be called for short TD-SCDMA), Long Term Evolution (Long Term Evolution, be called for short LTE), Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, be called for short WCDMA) or WLAN (Wireless Local Area Networks is called for short WLAN) etc.The network coverage detection method that present embodiment provides specifically can be carried out by the network coverage detection device, and this network coverage detection device can be integrated in the base station, can be independent of also that the base station arranges and links to each other with the base station.This network coverage detection device can adopt the mode of software and/or hardware to realize.Below be example take communication system as LTE, network coverage detection method and device that present embodiment is provided are described in detail.

Fig. 1 is the flow chart of network coverage detection method embodiment one of the present invention, and as shown in Figure 1, the method for present embodiment can comprise:

The sampling point information that step 101, reception UE report, sampling point information comprises the residing positional information of UE and signal strength signal intensity;

Step 102, according to positional information, determine the residing measured zone of UE;

Step 103, determine that whether signal strength signal intensity is greater than the signal strength threshold corresponding with measured zone;

If step 104, determines then that measured zone is in the coverage of base station greater than signal strength threshold.

The executive agent of above step is arranged on the base station or is independent of the network coverage detection device that the base station arranges and links to each other with the base station.A plurality of measured zone be divided and be formed to this network coverage detection device can with the zone around the base station, yet the division to the peripheral region, base station is not really the peripheral region, base station to be divided into a plurality of independently measured zone, but the peripheral region of base station is carried out the division of digitized measured zone, the peripheral region that is about to the base station is divided into a plurality of zones to be measured.

The network coverage detection device can obtain the sampling point information that UE reports by the base station, and the network coverage detection device can the Real-time Obtaining sampling point information, also can periodically adopt the mode of off-line to obtain the information of sampled point.This sampling point information comprises the residing positional information of sampled point and signal strength signal intensity, the residing positional information of sampled point comprises base station information, the longitude of sampled point and the latitude of sampled point that sampled point receives, wherein, base station information can be the numbering of base station and the positional information of base station, and signal strength signal intensity is the signal strength signal intensity of this base station of receiving, UE present position.By way of example, the network coverage detection device can obtain the residing positional information of sampled point from the packet that UE reports, simultaneously with the positional information (α-position of this sampled point, β-position) store, the form of storage can be (NodeB_id, α-position, β-position, S_rsrp), wherein, NodeB_id represents the base station of this sampling point information overlay area of living in, and α-position represents the longitude of this sampled point in the overlay area, β-position represents the latitude of this sampled point in the overlay area, and S_rsrp represents the corresponding received signal strength of this sampling point information.

The residing positional information of the sampled point that the UE that receives according to the base station reports can be determined the residing measured zone of this sampled point.The signal strength threshold that the signal strength signal intensity of this sampled point is corresponding with this sampled point measured zone of living in compares, if the signal strength signal intensity of this sampled point, determines then that this sampled point zone of living in is in the coverage of base station greater than signal strength threshold corresponding to this sampled point measured zone of living in.

Present embodiment, the sampling point information that reports by receiving UE, determine the residing measured zone of sampled point according to the residing positional information of sampled point, determine that according to the signal strength signal intensity of sampled point the residing measured zone of sampled point is whether in the coverage of base station again, thereby realized the determining of base station range, and then improved the efficient of definite base station range.

The below adopts several specific embodiments, and the technical scheme of embodiment of the method shown in Figure 1 is elaborated.

Fig. 2 is the flow chart of network coverage detection method embodiment two of the present invention, and as shown in Figure 2, the present embodiment network coverage detection method specifically can comprise:

Step 200, take the base station as limit and take the direction of the antenna azimuth of base station as pole axis, it is Δ that the zone to be measured around the base station is divided into a plurality of length rAnd angle is Δ θMeasured zone.

Concrete, the network coverage detection device can be inputted the essential information of base station and the information that the zone to be measured around the base station is divided by manual or automatic mode, wherein, the essential information of base station can comprise: base station longitude, base station latitude, antenna for base station orientation angles γ and the horizontal lobe angle of antenna θ, the information that the zone to be measured around the base station is divided can comprise: the minimum length Δ of polarised direction rPolarization angle delta with minimum θBy setting in advance the network coverage detection device, region division to be measured around base station and the base station can be become take the base station polar coordinates as the direction of the antenna azimuth γ of limit, base station as pole axis, and the zone to be measured around the base station is divided into a plurality of length is Δ rAnd angle is Δ θFan-shaped measured zone.

The sampling point information that step 201, reception UE report, sampling point information comprises the residing positional information of UE and signal strength signal intensity;

The specific implementation of present embodiment step 201 and the implementation procedure of step 101 are similar, repeat no more herein.

Step 202, according to positional information, determine the residing measured zone of UE;

Concrete, after zone to be measured around base station and the base station divided according to polar mode, the positional information of the sampled point that reports according to UE, determine the measured zone of UE, for instance, according to the positional information of sampled point, can determine that the residing measured zone of UE is<L, d 〉, wherein: L is that sampled point is at the L section Δ of aerial radiation direction rMeasured zone in, d is that sampled point is at d Δ θAngle in.

That is: Wherein, θ I, jBe the angle of sampled point and pole axis, Δ θFor dividing the Minimum Polarization angle in zone to be measured on every side, base station, perhaps,

d = INT [ arccos ( α i - α i , j ( α i - α i , j ) 2 + ( β i - β i , j ) 2 ) Δ θ ] , Wherein, α iBe the longitude of sampled point, β iBe the latitude of sampled point, α I, j, β I, jBe respectively the coordinate figure of base station in rectangular coordinate system.

(n-1) Δ r<L≤n Δ r, wherein, n is natural number.

The network coverage detection device can also be inputted the signal strength signal intensity S in the edges cover zone of preparing the definition base station RsrpThe side-play amount factor Δ Rsrp, when namely the signal strength signal intensity of sampled point is in scope as follows, can determine that sampled point zone of living in is the edges cover zone of base station.

(1-Δ rsrp)S rsrp<RSRP l,d≤(1+Δ rsrp)S rsrp

Step 203, determine that whether signal strength signal intensity is greater than the signal strength threshold corresponding with measured zone;

If step 204, determines then that measured zone is in the coverage of base station greater than signal strength threshold.

The specific implementation of the step 203 of present embodiment and the step 204 respectively implementation procedure with step 103 and step 104 is similar, repeats no more herein.

Present embodiment is by take the base station as limit and take the direction of the antenna azimuth of base station as pole axis, it is Δ that the zone to be measured around the base station is divided into a plurality of length rAnd angle is Δ θMeasured zone, realized the division to zone to be measured around the base station, and considered the production decline law of base station signal strength, divide into the coverage of base station into the base station limit a plurality of fan-shaped zone to be measured, improved the accuracy of definite base station range.

Fig. 3 is the flow chart of network coverage detection method embodiment three of the present invention, and as shown in Figure 3, the present embodiment network coverage detection method specifically comprises:

Step 301, at least two sampling point informations that UE reports of reception, this sampling point information comprises the residing positional information of each UE and signal strength signal intensity.

At least two UE report the base station with the sampling point information that obtains, and the network coverage detection device obtains the sampling point information that a plurality of UE report by the base station, and those sampled points can be a plurality of sampled points of same measurement zone, also can be the sampled points in different measuring zone.

The positional information of step 302, the sampled point that reports according to each UE is determined the residing measured zone of each UE;

The specific implementation of present embodiment step 302 and the implementation procedure of step 102 are similar, repeat no more herein.

Step 303, the strength information that each UE in the same measured zone is reported carry out arithmetic average calculating, obtain the signal strength signal intensity average corresponding with measured zone;

After the positional information that the network coverage detection device reports according to each UE was determined the residing measured zone of each UE, the signal strength signal intensity that reports according to the UE of same measured zone was again carried out arithmetic mean and is calculated, thereby obtained the signal strength signal intensity average in this measured zone.

Step 304, whether determine the signal strength signal intensity average greater than the first signal intensity threshold, if greater than the first signal intensity threshold, determine that then measured zone is in the normal coverage area of base station;

Concrete, whether the signal strength signal intensity average that the network coverage detection device can be determined this measured zone according to the average of a plurality of sampled point signal strength signal intensities of measured zone greater than signal strength threshold, thereby determines that measured zone is whether in the overlay area of base station.Even the signal strength signal intensity average of the sampled point in the measured zone determines then that greater than signal strength threshold this measured zone is in the overlay area of base station.And if whether the signal strength signal intensity average of the sampled point of definite this measured zone greater than first signal intensity threshold, then determines this measured zone the normal coverage area of base station in greater than the first signal intensity threshold; The normal coverage area of this base station refers to that UE can be normally and the zone of base-station transmission data.

If step 305 is less than or equal to the first signal intensity threshold, whether then determine the signal strength signal intensity average greater than the secondary signal intensity threshold, if greater than the secondary signal intensity threshold, determine that then measured zone is in the edges cover zone of base station; Wherein, the first signal intensity threshold is greater than the secondary signal intensity threshold.

Concrete, if the signal strength signal intensity average of the sampled point of this measured zone is less than or equal to the first signal intensity threshold, determine that then whether the signal strength signal intensity average is greater than the secondary signal intensity threshold, if greater than the secondary signal intensity threshold, then determine this measured zone in the edges cover zone of base station, the edges cover zone of this base station refers to that UE can be normally and the critical zone of base-station transmission data.And the first signal intensity threshold is greater than the secondary signal intensity threshold.

Present embodiment, by determining that whether the signal strength signal intensity average is greater than the first signal intensity threshold, determine that this measured zone is in the normal coverage area of base station, and be less than or equal to the first signal intensity threshold according to the signal strength signal intensity average, and greater than the secondary signal intensity threshold, determine that measured zone is in the edges cover zone of base station.Realize the division to the edges cover zone of the normal region around the base station and base station, thereby improved the accuracy of definite base station range.

Optionally, on the basis of above-described embodiment, in the definite coverage of measured zone in the base station after, can also specifically comprise:

Whether determine distance between the edge of the edge of coverage of base station and adjacent base station coverage greater than the first preset value, if greater than, then determine to have coverage hole before two base stations; Perhaps,

Whether determine the area of the overlapping region between the edge of the edge of coverage of base station and adjacent base station coverage greater than the second preset value, if greater than, then determine to have covering overlapping area before two base stations.

That is to say, after having determined that the base station reaches the normal coverage area and edges cover zone of the base station adjacent with this base station, the executive agent network coverage detection device of this step can determine that whether distance between the edge of the edge of coverage of base station and adjacent base station coverage is greater than the first preset value, if greater than, then determine to have coverage hole before two base stations; Perhaps, whether determine the area of the overlapping region between the edge of the edge of coverage of base station and adjacent base station coverage greater than the second preset value, if greater than, then determine to have covering overlapping area before two base stations.Wherein, the first preset value and the second preset value can carry out mathematical modeling or experience acquisition by person skilled; after the information in the normal coverage area of adjacent base station and edges cover zone can obtain from corresponding base station; be configured in the network coverage detection device of this base station, be not restricted at this obtain manner to adjacent base station information.If have coverage hole or covering overlapping area between two adjacent base stations, then can notify the attendant by the mode of reporting to the police, the mode of this warning can be mail, note or other the thinkable mode of those skilled in the art.

Fig. 4 is the structural representation of network coverage detection device embodiment one of the present invention, as shown in Figure 4, the device of present embodiment can comprise: receiver module 31, be used for receiving the sampling point information that UE reports, and sampling point information comprises the residing positional information of UE and signal strength signal intensity; Measured zone determination module 32 is used for according to positional information, determines the residing measured zone of UE; Whether determination module 33 is used for determining signal strength signal intensity greater than the signal strength threshold corresponding with measured zone, if greater than signal strength threshold, determines that then measured zone is in the coverage of base station.

The device of present embodiment can be for the technical scheme of carrying out embodiment of the method shown in Figure 1, and its realization principle and technique effect are similar, repeat no more herein.

Fig. 5 is the structural representation of network coverage detection device embodiment two of the present invention, as shown in Figure 5, the device of present embodiment is on the basis of apparatus structure shown in Figure 4, further, the device of present embodiment can also comprise: presetting module 35, be used for take the base station as limit and take the direction of the antenna azimuth of base station as pole axis, it is Δ that the zone to be measured around the base station is divided into a plurality of length rAnd angle is Δ θMeasured zone.

The device of present embodiment can be for the technical scheme of carrying out embodiment of the method shown in Figure 2, and its realization principle and technique effect are similar, repeat no more herein.

Fig. 6 is the structural representation of network coverage detection device embodiment three of the present invention, as shown in Figure 6, the device of present embodiment is on the basis of apparatus structure shown in Figure 4, further, the device of present embodiment can also comprise: average module 36, be used for that the strength information that each UE in the same measured zone reports is carried out arithmetic average and calculate, obtain the signal strength signal intensity average corresponding with measured zone;

Determination module 33 can specifically be used for: whether determine the signal strength signal intensity average greater than signal strength threshold, if greater than signal strength threshold, determine that then measured zone is in the overlay area of base station.

Optionally, the determination module 33 of present embodiment can comprise:

Whether the first determining unit 331 is used for determining the signal strength signal intensity average greater than the first signal intensity threshold, if greater than the first signal intensity threshold, determines that then measured zone is in the normal coverage area of base station; Whether the second determining unit 332 if be used for less than or equal to the first signal intensity threshold, then determines the signal strength signal intensity average greater than the secondary signal intensity threshold, if greater than the secondary signal intensity threshold, determines that then measured zone is in the edges cover zone of base station; Wherein, the first signal intensity threshold is greater than the secondary signal intensity threshold.

The device of present embodiment can be for the technical scheme of execution graph 3 embodiment, and its realization principle and technique effect are similar, repeat no more herein.

Fig. 7 is the structural representation of network coverage detection device embodiment four of the present invention, as shown in Figure 7, the device of present embodiment is on the basis of said apparatus structure, further, the device of present embodiment can also comprise: blind area determination module 37, whether be used for to determine distance between the edge of edge and adjacent base station coverage of coverage of base station greater than the first preset value, if greater than, determine that then there is coverage hole before in two base stations; Perhaps, cover overlapping determination module 38, whether be used for to determine the area of the overlapping region between the edge of edge and adjacent base station coverage of coverage of base station greater than the second preset value, if greater than, determine that then there is covering overlapping area before in two base stations.

The device of present embodiment can be for the technical scheme of carrying out said method embodiment, and its realization principle and technique effect are similar, repeat no more herein.

One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can be finished by the relevant hardware of program command.Aforesaid program can be stored in the computer read/write memory medium.This program is carried out the step that comprises above-mentioned each embodiment of the method when carrying out; And aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.

It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although with reference to aforementioned each embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.

Claims (10)

1. a network coverage detection method is characterized in that, comprising:
Receive the sampling point information that UE reports, described sampling point information comprises the residing positional information of described UE and signal strength signal intensity;
According to described positional information, determine the residing measured zone of described UE;
Determine that whether described signal strength signal intensity is greater than the signal strength threshold corresponding with described measured zone;
If greater than described signal strength threshold, determine that then described measured zone is in the coverage of described base station.
2. method according to claim 1 is characterized in that, before the sampling point information that described reception UE reports, also comprises:
Take described base station as limit and take the direction of the antenna azimuth of described base station as pole axis, it is Δ that the zone to be measured around the described base station is divided into a plurality of length rAnd angle is Δ θDescribed measured zone.
3. method according to claim 1 is characterized in that, described UE is at least two UE in the described measured zone, and whether described definite described signal strength signal intensity also comprises greater than before the signal strength threshold corresponding with described measured zone:
The strength information that each UE in the same measured zone is reported carries out arithmetic average calculating, obtains the signal strength signal intensity average corresponding with described measured zone;
If whether described definite described signal strength signal intensity greater than described signal strength threshold, then determines described measured zone the coverage of described base station in, comprising greater than the signal strength threshold corresponding with described measured zone:
Whether determine described signal strength signal intensity average greater than the described signal strength threshold corresponding with described measured zone, if greater than described signal strength threshold, determine that then described measured zone is in the overlay area of described base station.
4. method according to claim 3 is characterized in that, if whether described definite described signal strength signal intensity average greater than described signal strength threshold, then determines described measured zone the overlay area of described base station in, comprising greater than described signal strength threshold:
Whether determine described signal strength signal intensity average greater than the first signal intensity threshold, if greater than the first signal intensity threshold, determine that then described measured zone is in the normal coverage area of described base station;
If be less than or equal to described first signal intensity threshold, whether then determine described signal strength signal intensity average greater than the secondary signal intensity threshold, if greater than described secondary signal intensity threshold, determine that then described measured zone is in the edges cover zone of described base station;
Wherein, described first signal intensity threshold is greater than the secondary signal intensity threshold.
5. each described method is characterized in that according to claim 1 ~ 4, described determine in the coverage of described measured zone in described base station after, also comprise:
Whether determine distance between the edge of the edge of coverage of described base station and adjacent base station coverage greater than the first preset value, if greater than, then determine to have coverage hole before two base stations; Perhaps,
Whether determine the area of the overlapping region between the edge of the edge of coverage of described base station and adjacent base station coverage greater than the second preset value, if greater than, then determine to have covering overlapping area before two base stations.
6. a network coverage detection device is characterized in that, comprising:
Receiver module is used for receiving the sampling point information that UE reports, and described sampling point information comprises the residing positional information of described UE and signal strength signal intensity;
The measured zone determination module is used for according to described positional information, determines the residing measured zone of described UE;
Whether determination module is used for determining described signal strength signal intensity greater than the signal strength threshold corresponding with described measured zone, if greater than described signal strength threshold, determines that then described measured zone is in the coverage of described base station.
7. device according to claim 6 is characterized in that, also comprises:
Presetting module is used for take described base station as limit and take the direction of the antenna azimuth of described base station as pole axis, it is Δ that the zone to be measured around the described base station is divided into a plurality of length rAnd angle is Δ θDescribed measured zone.
8. device according to claim 6 is characterized in that, also comprises:
The average module is used for that the strength information that each UE in the same measured zone reports is carried out arithmetic average and calculates, and obtains the signal strength signal intensity average corresponding with described measured zone;
Described determination module specifically is used for
Whether determine described signal strength signal intensity average greater than described signal strength threshold, if greater than described signal strength threshold, determine that then described measured zone is in the overlay area of described base station.
9. device according to claim 8 is characterized in that, described determination module comprises:
Whether the first determining unit is used for determining described signal strength signal intensity average greater than the first signal intensity threshold, if greater than the first signal intensity threshold, determines that then described measured zone is in the normal coverage area of described base station;
The second determining unit, if be used for being less than or equal to described first signal intensity threshold, whether then determine described signal strength signal intensity average greater than the secondary signal intensity threshold, if greater than described secondary signal intensity threshold, determine that then described measured zone is in the edges cover zone of described base station; Wherein, described first signal intensity threshold is greater than the secondary signal intensity threshold.
10. each described device is characterized in that according to claim 6 ~ 9, also comprises:
Whether the blind area determination module be used for determines distance between the edge of edge and adjacent base station coverage of coverage of described base station greater than the first preset value, if greater than, determine that then there is coverage hole before in two base stations; Perhaps,
Cover overlapping determination module, whether be used for to determine the area of the overlapping region between the edge of edge and adjacent base station coverage of coverage of described base station greater than the second preset value, if greater than, determine that then there is covering overlapping area before in two base stations.
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