CN102905304B - network coverage detection method and device - Google Patents

network coverage detection method and device Download PDF

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Publication number
CN102905304B
CN102905304B CN201210424477.3A CN201210424477A CN102905304B CN 102905304 B CN102905304 B CN 102905304B CN 201210424477 A CN201210424477 A CN 201210424477A CN 102905304 B CN102905304 B CN 102905304B
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described
base station
measured zone
signal intensity
coverage
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CN201210424477.3A
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Chinese (zh)
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CN102905304A (en
Inventor
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 present invention provides a kind of network coverage detection method and device.The method, including: receiving the sampling point information that UE reports, sampling point information includes UE location information and signal intensity;According to positional information, determine the measured zone residing for UE;Determine whether signal intensity exceedes the signal strength threshold corresponding with measured zone;If exceeding, it is determined that measured zone is in the coverage of base station.It is achieved thereby that the determination to base station range, and then improve the efficiency determining base station range.

Description

Network coverage detection method and device

Technical field

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

Background technology

Mobile communication from G mobile communication to forth generation mobile communication technology evolution.Meanwhile, Long Term Evolution (LongTermEvolution is called for short LTE) is owing to having the performances such as higher data rate, relatively low time delay and network flattening, and is increasingly widely applied in forth generation mobile communication technology.

Existing determine whether base station covering radius and adjacent base station exist blind area or the overlapping method that covers is, after base station deployment, used drive test instrument to the network coverage radius measuring on the spot each community by staff, then it is manually set the coverage condition between each base station by Operation and Maintenance personnel according to the network coverage radius of each community measured, and manually in the operation management maintainance of network side, configures the relation between each subzone network.

But, prior art, during determining network coverage radius, needs to determine according to the bulk information gathered the covering radius of community, thus causes and determine the inefficient of network coverage.

Summary of the invention

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

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

Receiving the sampling point information that UE reports, described sampling point information includes described UE location information and signal intensity;

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

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

If more than described signal strength threshold, it is determined that described measured zone is in the coverage of described base station.

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

Receiver module, for receiving the sampling point information that UE reports, described sampling point information includes described UE location information and signal intensity;

Measured zone determines module, for according to described positional information, determines the measured zone residing for described UE;

Determine module, for determining whether described signal intensity is more than the signal strength threshold corresponding with described measured zone, if more than described signal strength threshold, it is determined that described measured zone is in the coverage of described base station.

Inventive network coverage detection method and device, by receiving the sampling point information that UE reports, the measured zone residing for sampled point is determined according to sampled point location information, signal intensity further according to sampled point determines that the measured zone residing for sampled point is whether in the coverage of base station, it is achieved thereby that the determination to base station range, and then improve the efficiency determining base station range.

Accompanying drawing explanation

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

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

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

Fig. 4 is the structural representation that inventive network covers detection device embodiment one;

Fig. 5 is the structural representation that inventive network covers detection device embodiment two;

Fig. 6 is the structural representation that inventive network covers detection device embodiment three;

Fig. 7 is the structural representation that inventive network covers detection device embodiment four.

Detailed description of the invention

nullThe network coverage detection method that the embodiment of the present invention provides specifically can apply to the communication system determination to base station network coverage,This communication system is specifically as follows CDMA (CodeDivisionMultipleAccess,It is called for short CDMA)、TD SDMA (TimeDivision-SynchronousCodeDivisionMultipleAccess,It is called for short TD-SCDMA)、Long Term Evolution (LongTermEvolution,It is called for short LTE)、WCDMA (WidebandCodeDivisionMultipleAccess,It is called for short WCDMA) or WLAN (WirelessLocalAreaNetworks,It is called for short WLAN) etc..The present embodiment provide network coverage detection method specifically can be performed by network coverage detection device, this network coverage detection device can integrated in a base station, it is also possible to independent of base station arrange and be connected with base station.This network coverage detection device can realize in the way of using software and/or hardware.Below as a example by communication system is as LTE, the network coverage detection method and the device that provide the present embodiment are described in detail.

Fig. 1 is the flow chart of inventive network coverage detection method embodiment one, as it is shown in figure 1, the method for the present embodiment may include that

The sampling point information that step 101, reception UE report, sampling point information includes UE location information and signal intensity;

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

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

If step 104 is more than signal strength threshold, it is determined that measured zone is in the coverage of base station.

The network coverage detection device that the executive agent of above step is provided on base station or arranges independent of base station and be connected with base station.Region around base station can be carried out dividing and formed multiple measured zone by this network coverage detection device, but the division to peripheral region, base station is not that peripheral region, base station is divided into multiple independent measured zone really, but the division of the measured zone that the peripheral region of base station is digitized, the peripheral region of base station will be divided into multiple region to be measured.

Network coverage detection device can obtain, by base station, the sampling point information that UE reports, and network coverage detection device can obtain sampling point information in real time, it is also possible to periodically uses the mode of off-line to obtain the information of sampled point.This sampling point information includes sampled point location information and signal intensity, sampled point location information includes base station information, the longitude of sampled point and the latitude of sampled point that sampled point is received, wherein, base station information can be numbering and the positional information of base station of base station, and signal intensity is the signal intensity of this base station that UE present position is received.For example, network coverage detection device can obtain sampled point location information from the packet that UE reports, simultaneously by 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 overlay area residing for this sampling point information, α-position represents this sampled point longitude in overlay area, β-position represents this sampled point latitude in overlay area, S_rsrp represents the received signal strength corresponding to this sampling point information.

The sampled point location information that the UE received according to base station reports, it may be determined that the measured zone residing for this sampled point.Signal strength threshold corresponding for measured zone residing for the signal intensity of this sampled point and this sampled point is compared, if the signal intensity of this sampled point is more than the signal strength threshold that measured zone residing for this sampled point is corresponding, it is determined that residing for this sampled point, region is in the coverage of base station.

The present embodiment, by receiving the sampling point information that UE reports, the measured zone residing for sampled point is determined according to sampled point location information, signal intensity further according to sampled point determines that the measured zone residing for sampled point is whether in the coverage of base station, it is achieved thereby that the determination to base station range, and then improve the efficiency determining base station range.

Use several specific embodiment below, the technical scheme of embodiment of the method shown in Fig. 1 is described in detail.

Fig. 2 is the flow chart of inventive network coverage detection method embodiment two, as in figure 2 it is shown, the present embodiment network coverage detection method specifically may include that

Step 200, with base station as limit and with the direction of the antenna azimuth of base station as pole axis, the region to be measured around base station is divided into multiple a length of ΔrAnd angle is ΔθMeasured zone.

Concrete, network coverage detection device can be so that manually or automatically mode inputs the essential information of base station and the information to the region to be measured division around base station, wherein, the essential information of base station may include that base station longitude, base station latitude, antenna for base station orientation angles γ and antenna horizontal lobe angle, θ, and the information that the region to be measured around base station divides may include that the minimum length Δ of polarised directionrWith minimum polarisation angles Δθ.By network coverage detection device is pre-set, can the region to be measured around base station and base station be arranged to base station as limit, the direction of the antenna azimuth γ of the base station polar coordinate as pole axis, and the region to be measured around base station is divided into multiple a length of ΔrAnd angle is ΔθFan-shaped measured zone.

The sampling point information that step 201, reception UE report, sampling point information includes UE location information and signal intensity;

The present embodiment step 201 implement with step 101 to realize process similar, here is omitted.

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

Concrete, after region to be measured around base station and base station is divided according to polar mode, positional information according to the sampled point that UE reports, determine the measured zone of UE, for example, according to the positional information of sampled point, it may be determined that the measured zone residing for UE is<L, d>, wherein: L is the sampled point L section Δ in aerial radiation directionrMeasured zone in, d is that sampled point is at the d ΔθAngle in.

That is:Wherein, θI, jFor the angle of sampled point Yu pole axis, ΔθFor dividing the Minimum Polarization angle in the region to be measured around base station, or,

d = INT [ arccos ( &alpha; i - &alpha; i , j ( &alpha; i - &alpha; i , j ) 2 + ( &beta; i - &beta; i , j ) 2 ) &Delta; &theta; ] , Wherein, αiFor the longitude of sampled point, βiFor the latitude of sampled point, αI, j, βI, jIt is respectively base station coordinate figure in rectangular coordinate system.

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

Network coverage detection device can also input the signal intensity S of the edge cover area preparing definition base stationrsrpSide-play amount factor Δrsrp, when i.e. the signal intensity of sampled point is in scope as follows, it may be determined that region residing for sampled point is the edge cover area of base station.

(1-Δrsrp) Srsrp< RSRPl,d≤ (1+ Δrsrp) Srsrp

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

If step 204 is more than signal strength threshold, it is determined that measured zone is in the coverage of base station.

The step 203 of the present embodiment and step 204 implement respectively with step 103 and step 104 to realize process similar, here is omitted.

The present embodiment, by with base station as limit and with the direction of the antenna azimuth of base station as pole axis, being divided into multiple a length of Δ by the region to be measured around base stationrAnd angle is ΔθMeasured zone, it is achieved that the division to region to be measured around base station, and in view of the production decline law of base station signal strength, the coverage of base station is divided into into the multiple sectors region to be measured with base station limit, improves the accuracy determining base station range.

Fig. 3 is the flow chart of inventive network coverage detection method embodiment three, as it is shown on figure 3, the present embodiment network coverage detection method specifically includes:

The sampling point information that step 301, reception at least two UE report, this sampling point information includes each UE location information and signal intensity.

The sampling point information of acquisition is reported base station by least two UE, and network coverage detection device obtains, by base station, the sampling point information that multiple UE reports, and those sampled points can be multiple sampled points of same measurement zone, it is also possible to is the sampled point in different measuring region.

Step 302, the positional information of the sampled point reported according to each UE, determine the measured zone residing for each UE;

The present embodiment step 302 implement with step 102 to realize process similar, here is omitted.

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

After network coverage detection device determines the measured zone residing for each UE according to the positional information that each UE reports, the signal intensity reported further according to the UE of same measured zone carries out arithmetic mean calculating, thus obtains the signal intensity average in this measured zone.

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

Concrete, according to the average of multiple sampled point signal intensitys of measured zone, network coverage detection device can determine whether the signal intensity average of this measured zone is more than signal strength threshold, so that it is determined that measured zone is whether in the overlay area of base station.The even signal intensity average of the sampled point in measured zone is more than signal strength threshold, it is determined that this measured zone is in the overlay area of base station.And determine whether the signal intensity average of the sampled point of this measured zone is more than the first signal strength threshold, if more than the first signal strength threshold, it is determined that this measured zone is in the normal coverage area of base station;The normal coverage area of this base station refer to UE can normally and base station transmission data region.

If step 305 is less than or equal to the first signal strength threshold, it is determined that whether signal intensity average is more than secondary signal intensity threshold, if more than secondary signal intensity threshold, it is determined that measured zone is in the edge cover area of base station;Wherein, the first signal strength threshold is more than secondary signal intensity threshold.

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

The present embodiment, whether it is determined by signal intensity average more than the first signal strength threshold, determine that this measured zone is in the normal coverage area of base station, and according to signal intensity average less than or equal to the first signal strength threshold, and more than secondary signal intensity threshold, determine that measured zone is in the edge cover area of base station.Achieve the normal region around base station and the division of the edge cover area of base station, thus improve the accuracy determining base station range.

Optionally, on the basis of above-described embodiment, after determining that measured zone is in the coverage of base station, it is also possible to specifically include:

Determine whether the distance between the edge of the coverage of base station and the edge of adjacent base station coverage is more than the first preset value, if being more than, it is determined that there is coverage hole before two base stations;Or,

Determine whether the area of the overlapping region between the edge of the coverage of base station and the edge of adjacent base station coverage is more than the second preset value, if being more than, it is determined that there is covering overlapping area before two base stations.

That is, after determining base station and the normal coverage area of the base station adjacent with this base station and edge cover area, the executive agent network coverage detection device of this step may determine that whether the distance between the edge of the coverage of base station and the edge of adjacent base station coverage is more than the first preset value, if being more than, it is determined that there is coverage hole before two base stations;Or, determine whether the area of the overlapping region between the edge of the coverage of base station and the edge of adjacent base station coverage is more than the second preset value, if being more than, it is determined that there is covering overlapping area before two base stations.Wherein, first preset value and the second preset value can carry out mathematical modeling or experience acquisition by person skilled; the normal coverage area of adjacent base station and the information of edge cover area can be after corresponding base station obtain; it is arranged in the network coverage detection device of this base station, at this, acquisition mode of adjacent base station information is not restricted.If there is coverage hole or covering overlapping area between two adjacent base stations, then can notify attendant by the way of warning, 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 that inventive network covers detection device embodiment one, as shown in Figure 4, the device of the present embodiment may include that receiver module 31, and for receiving the sampling point information that UE reports, sampling point information includes UE location information and signal intensity;Measured zone determines module 32, for according to positional information, determines the measured zone residing for UE;Determine module 33, for determining whether signal intensity is more than the signal strength threshold corresponding with measured zone, if more than signal strength threshold, it is determined that measured zone is in the coverage of base station.

The device of the present embodiment, may be used for performing the technical scheme of embodiment of the method shown in Fig. 1, and it is similar with technique effect that it realizes principle, and here is omitted.

Fig. 5 is the structural representation that inventive network covers detection device embodiment two, as shown in Figure 5, the device of the present embodiment is on the basis of Fig. 4 shown device structure, further, the device of the present embodiment can also include: presetting module 35, for with base station as limit and with the direction of the antenna azimuth of base station as pole axis, the region to be measured around base station being divided into multiple a length of ΔrAnd angle is ΔθMeasured zone.

The device of the present embodiment, may be used for performing the technical scheme of embodiment of the method shown in Fig. 2, and it is similar with technique effect that it realizes principle, and here is omitted.

Fig. 6 is the structural representation that inventive network covers detection device embodiment three, as shown in Figure 6, the device of the present embodiment is on the basis of Fig. 4 shown device structure, further, the device of the present embodiment can also include: mean module 36, strength information for reporting each UE in same measured zone carries out arithmetic average calculating, obtains the signal intensity average corresponding with measured zone;

Determine that module 33 can be specifically for: determine signal intensity average whether more than signal strength threshold, if more than signal strength threshold, it is determined that measured zone is in the overlay area of base station.

Optionally, the present embodiment cover half block 33 really, may include that

First determines unit 331, is used for determining whether signal intensity average is more than the first signal strength threshold, if more than the first signal strength threshold, it is determined that measured zone is in the normal coverage area of base station;Second determines unit 332, if for less than or equal to the first signal strength threshold, it is determined that whether signal intensity average is more than secondary signal intensity threshold, if more than secondary signal intensity threshold, it is determined that measured zone is in the edge cover area of base station;Wherein, the first signal strength threshold is more than secondary signal intensity threshold.

The device of the present embodiment, may be used for performing the technical scheme of Fig. 3 embodiment, and it is similar with technique effect that it realizes principle, and here is omitted.

Fig. 7 is the structural representation that inventive network covers detection device embodiment four, as shown in Figure 7, the device of the present embodiment is on the basis of said apparatus structure, further, the device of the present embodiment can also include: blind area determines module 37, for determining whether the distance between the edge of the coverage of base station and the edge of adjacent base station coverage is more than the first preset value, if being more than, it is determined that there is coverage hole before two base stations;Or, cover overlap and determine module 38, whether the area of the overlapping region between edge and the edge of adjacent base station coverage determining the coverage of base station is more than the second preset value, if being more than, it is determined that there is covering overlapping area before two base stations.

The device of the present embodiment, may be used for performing the technical scheme of said method embodiment, and it is similar with technique effect that it realizes principle, and here is omitted.

One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each method embodiment can be completed by the hardware that programmed instruction is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program upon execution, performs to include the step of above-mentioned each method embodiment;And aforesaid storage medium includes: the various media that can store program code such as ROM, RAM, magnetic disc or CDs.

Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit;Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or the most some or all of technical characteristic is carried out equivalent;And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (8)

1. a network coverage detection method, it is characterised in that including:
With base station as limit and with the direction of the antenna azimuth of described base station as pole axis, the region to be measured around described base station is divided into multiple a length of ΔrAnd angle is ΔθMeasured zone;
Receiving the sampling point information that UE reports, described sampling point information includes described UE location information and signal intensity, and described signal intensity is the signal intensity of the base station that UE present position is received;
According to described positional information, determine the measured zone residing for described UE;
Determine that whether described signal intensity is more than the signal strength threshold corresponding with described measured zone;
If more than described signal strength threshold, it is determined that described measured zone is in the coverage of described base station.
Method the most according to claim 1, it is characterised in that described UE is at least two UE in described measured zone, described determine that described signal intensity is whether more than the signal strength threshold corresponding with described measured zone before, also include:
The strength information reporting each UE in same measured zone carries out arithmetic average calculating, obtains the signal intensity average corresponding with described measured zone;
Described determine described signal intensity whether more than the signal strength threshold corresponding with described measured zone, if more than described signal strength threshold, it is determined that described measured zone in the coverage of described base station, including:
Determine whether described signal intensity average is more than the described signal strength threshold corresponding with described measured zone, if more than described signal strength threshold, it is determined that described measured zone is in the overlay area of described base station.
Method the most according to claim 2, it is characterised in that described determine described signal intensity average whether more than described signal strength threshold, if more than described signal strength threshold, it is determined that described measured zone in the overlay area of described base station, including:
Determine whether described signal intensity average is more than the first signal strength threshold, if more than the first signal strength threshold, it is determined that described measured zone is in the normal coverage area of described base station;
If less than or equal to described first signal strength threshold, it is determined that whether described signal intensity average is more than secondary signal intensity threshold, if more than described secondary signal intensity threshold, it is determined that described measured zone is in the edge cover area of described base station;
Wherein, described first signal strength threshold is more than secondary signal intensity threshold.
4. according to the method according to any one of claims 1 to 3, it is characterised in that described determine that described measured zone is in the coverage of described base station after, also include:
Determine whether the distance between the edge of the coverage of described base station and the edge of adjacent base station coverage is more than the first preset value, if being more than, it is determined that there is coverage hole before two base stations;Or,
Determine whether the area of the overlapping region between the edge of the coverage of described base station and the edge of adjacent base station coverage is more than the second preset value, if being more than, it is determined that there is covering overlapping area before two base stations.
5. a network coverage detection device, it is characterised in that including:
Presetting module, for base station as limit and with the direction of the antenna azimuth of described base station as pole axis, being divided into multiple a length of Δ by the region to be measured around described base stationrAnd angle is ΔθMeasured zone;
Receiver module, for receiving the sampling point information that UE reports, described sampling point information includes described UE location information and signal intensity, and described signal intensity is the signal intensity of the base station that UE present position is received;
Measured zone determines module, for according to described positional information, determines the measured zone residing for described UE;
Determine module, for determining whether described signal intensity is more than the signal strength threshold corresponding with described measured zone, if more than described signal strength threshold, it is determined that described measured zone is in the coverage of described base station.
Device the most according to claim 5, it is characterised in that also include:
Mean module, carries out arithmetic average calculating for the strength information reporting each UE in same measured zone, obtains the signal intensity average corresponding with described measured zone;
Described determine module, specifically for
Determine whether described signal intensity average is more than described signal strength threshold, if more than described signal strength threshold, it is determined that described measured zone is in the overlay area of described base station.
Device the most according to claim 6, it is characterised in that described determine module, including:
First determines unit, is used for determining whether described signal intensity average is more than the first signal strength threshold, if more than the first signal strength threshold, it is determined that described measured zone is in the normal coverage area of described base station;
Second determines unit, if for less than or equal to described first signal strength threshold, then determine whether described signal intensity average is more than secondary signal intensity threshold, if more than described secondary signal intensity threshold, it is determined that described measured zone is in the edge cover area of described base station;Wherein, described first signal strength threshold is more than secondary signal intensity threshold.
8. according to the device according to any one of claim 5~7, it is characterised in that also include:
Blind area determines module, and whether the distance between edge and the edge of adjacent base station coverage determining the coverage of described base station is more than the first preset value, if being more than, it is determined that there is coverage hole before two base stations;Or,
Covering overlap and determine module, whether the area of the overlapping region between edge and the edge of adjacent base station coverage determining the coverage of described base station is more than the second preset value, if being more than, it is determined that there is covering overlapping area before two base stations.
CN201210424477.3A 2012-10-30 2012-10-30 network coverage detection method and device CN102905304B (en)

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