CN102970694B - Network coverage detection method and device - Google Patents
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- CN102970694B CN102970694B CN201210488478.4A CN201210488478A CN102970694B CN 102970694 B CN102970694 B CN 102970694B CN 201210488478 A CN201210488478 A CN 201210488478A CN 102970694 B CN102970694 B CN 102970694B
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Abstract
The invention provides a network coverage detection method and device. The network coverage detection method comprises the following steps of: receiving position information and a signal intensity value which are reported by at least one sampling point in the coverage range of a base station; determining a first distance which is mapped by the distance between the at least one sampling point and the base station in the direction of a connecting line of the base station and an adjacent base station according to the position information; and determining the coverage radius of the base station in the direction of the connecting line according to the first distance, the signal intensity value and an edge signal intensity threshold of the base station. The network coverage detection method and device provided by the invention are used for increasing the efficiency of network coverage radius detection.
Description
Technical field
The present invention relates to the communication technology, particularly relate to a kind of network coverage detection method and device.
Background technology
Mobile communication technology is from G mobile communication to the evolution of forth generation mobile communication technology.LTE(Long Term Evolution, Long Term Evolution) owing to having the performances such as higher data rate, lower time of delay and network flattening, and be applied in more and more widely in forth generation mobile communication technology.
Mainly adopt the mode of drive test to carry out to the detection of the network coverage at present, tester uses the covering radius of each base station in road measuring device field survey network, and calculates the covering relation between network Zhong Ge community according to each base station coverage radiuscope measured.And then the relevant parameter of base station is adjusted, optimizing network coverage quality.
But by drive test mode Sampling network covering radius, need to use manpower image data on the spot, the efficiency detected network coverage radius is not high.
Summary of the invention
The invention provides a kind of network coverage detection method and device, in order to improve the detection efficiency of network coverage radius.
The invention provides a kind of network coverage detection method, comprising:
The positional information that at least one sampled point in reception base station range reports and signal strength values;
According to described positional information, determine described first distance of distance map on described base station and adjacent base station line direction between at least one sampled point and described base station;
According to the marginal signal strength threshold value of described first distance, described signal strength values and described base station, determine the covering radius of described base station on described line direction.
Before the positional information that in described reception base station, at least one sampled point reports and signal strength values, also comprise:
Determine that the terminal equipment in the sector region of the predetermined angle scope of axle centered by described line direction in described base station range is at least one sampled point described.
Before the positional information that at least one sampled point in described reception base station range reports and signal strength values, also comprise:
The base station that the distance determining between described base station is less than predeterminable range threshold value between station is described adjacent base station.
The described marginal signal strength threshold value according to described first distance, described signal strength values and described base station, after determining the covering radius of described base station on described line direction, also comprises:
Determine the covering radius of described base station on described line direction and the covering radius sum of described adjacent base station on described line direction;
Determine the distance between described base station and described adjacent base station;
If described base station and the covering radius sum of described adjacent base station on described line direction are less than the distance between described base station and described adjacent base station, then determine between described base station and described adjacent base station for blind area covers event;
If described base station and the covering radius sum of described adjacent base station on described line direction are greater than the distance between described base station and described adjacent base station, be less than or equal to the product of distance between described base station and described adjacent base station and alarm parameter, then determine to be normal covering event between described base station and described adjacent base station;
If described base station and the covering radius sum of described adjacent base station on described line direction are greater than the product of distance between described base station and described adjacent base station and alarm parameter, then determine to be area covered event between described base station and described adjacent base station.
This network coverage detection method, also comprises:
Real-time display court verdict information, covers event, normal covering event or area covered event to indicate described blind area.
The present invention also provides a kind of network coverage detection device, comprising:
Receiver module, the positional information that at least one sampled point for receiving in base station range reports and signal strength values;
Determination module, for according to described positional information, determine described first distance of distance map on described base station and adjacent base station line direction between at least one sampled point and described base station, according to the marginal signal strength threshold value of described first distance, described signal strength values and described base station, determine the covering radius of described base station on described line direction.
Described determination module, also for determining that the terminal equipment in the sector region of the predetermined angle scope of axle centered by described line direction in described base station range is at least one sampled point described.
Described determination module, the base station that the distance also for determining between described base station is less than predeterminable range threshold value between station is described adjacent base station.
Described determination module, also by covering radius on described line direction and the covering radius sum of described adjacent base station on described line direction of determining described base station, determine the distance between described base station and described adjacent base station, if described base station and the covering radius sum of described adjacent base station on described line direction are less than the distance between described base station and described adjacent base station, then determine between described base station and described adjacent base station for blind area covers event, if described base station and the covering radius sum of described adjacent base station on described line direction are greater than the distance between described base station and described adjacent base station, be less than or equal to the product of distance between described base station and described adjacent base station and alarm parameter, then determine to be normal covering event between described base station and described adjacent base station, if described base station and the covering radius sum of described adjacent base station on described line direction are greater than the product of distance between described base station and described adjacent base station and alarm parameter, then determine to be area covered event between described base station and described adjacent base station.
This network coverage detection device, also comprises:
Real-time display module, for showing court verdict information in real time, covers event, normal covering event or area covered event to indicate described blind area.
Network coverage detection method of the present invention and device, by obtaining positional information and the signal strength values of the sampled point in base station range, calculate base station with the covering radius on adjacent base station line direction, can obtain accurately and efficiently base station with the covering radius on adjacent base station line direction, thus the relation using this covering radius to determine between two base station coverage area, improve the efficiency to network coverage detection.
Accompanying drawing explanation
Fig. 1 is the flow chart of network coverage detection method embodiment one of the present invention;
Fig. 2 is the schematic diagram 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 and embodiment two;
Fig. 5 is the structural representation of network coverage detection device embodiment three of the present invention.
Embodiment
Fig. 1 is the flow chart of network coverage detection method embodiment one of the present invention, and as shown in Figure 1, the present embodiment network coverage detection method can comprise:
Step S101, the positional information that at least one sampled point in reception base station range reports and signal strength values.
Particularly, the base station in the present embodiment can be LTE base station, if the subscriber equipmenies such as mobile phone can receive the signal that base station sends, and can send information to base station, then this subscriber equipment is in the coverage of this base station.First in base station range, choose sampled point, this sampled point can be the arbitrary subscriber equipment in the base station ranges such as mobile phone.After choosing sampled point, receive the positional information that reports of sampled point and signal strength values actively or passively.Wherein positional information can be the latitude and longitude coordinates value of this sampled point, and signal strength values can be the received signal strength value of sampled point under this base station.
Step S102, according to the positional information of sampled point, determines first distance of distance map on this base station and adjacent base station line direction between at least one sampled point and base station.
Particularly, when wireless signal covering is carried out to the region of required covering in base station, because antenna may be different in the gain of different directions, or the environment due to different directions is different and cause base station also not identical in the transmitting power of different directions, and the signal strength values of the Base Transmitter that subscriber equipment receives in different directions is not identical yet.Therefore, need the covering radius on calculation base station and adjacent base station line direction, thus accurately could draw the relation of two base station coverage area according to the covering radius in two line directions, base station.Such as, sampled point X is chosen in the i coverage of base station, base station j is the adjacent base station of base station i, after then obtaining the positional information of sampled point X, first the distance D between sampled point X and base station i is calculated by the latitude and longitude coordinates value of sampled point X and base station i, then sampled point X is mapped on the line direction of base station i and adjacent base station j, calculates the distance between the mapping point of sampled point X on this line direction and base station i, it can be used as first distance of sampled point X.
Step S103, according to this first distance, the signal strength values of sampled point and the marginal signal strength threshold value of base station, determine this base station with the covering radius on adjacent base station line direction.
Particularly, according to the relation that distance is directly proportional to signal strength values, can according to the signal strength values of first of the sampled point calculated the distance, sampled point, and the marginal signal strength threshold calculations of the base station of presetting base station with the covering radius on neighboring station line direction.Wherein marginal signal strength threshold value can be preset based on experience value, and the signal strength values that sampled point receives is greater than this marginal signal strength threshold value and then thinks that this sampled point is in the coverage of base station.Such as, first distance of sampled point X is X
i, j, the signal strength values of sampled point X is RSRP
x, the marginal signal strength threshold value of base station i is RSRP
i, then formula is used
calculate base station i with the covering radius di on adjacent base station j line direction
, j.
The present embodiment, by obtaining positional information and the signal strength values of the sampled point in base station range, calculate base station with the covering radius on adjacent base station line direction, can obtain accurately and efficiently base station with the covering radius on adjacent base station line direction, thus the relation using this covering radius to determine between two base station coverage area, improve the efficiency to network coverage detection.
Fig. 2 is the schematic diagram of network coverage detection method embodiment two of the present invention, and as shown in Figure 2, the present embodiment network coverage detection method may be used for determining the sampled point in said method embodiment one.
Due to need the base station coverage radius determined to be base station with the covering radius on adjacent base station line direction, therefore, if the sampled point chosen is in base station and adjacent base station line direction environs, then it is more accurate to the calculating of this covering radius.So before the positional information obtaining sampled point and signal strength values, first need to select suitable sampled point.
If the latitude and longitude coordinates value of the sampled point 22 in the coverage of base station 21 is (α
x, β
x), the latitude and longitude coordinates value of base station 21 is (α
i, β
i), the latitude and longitude coordinates value of the adjacent base station 23 of base station 21 is (α
j, β
j), the selected angle scope 24 of sampled point between base station 21 and base station 23 of presetting is θ
i, j, θ
i, jcan preset based on experience value.If judge, sampled point 22 is at axle centered by base station 21 and line direction, base station 23, ± θ
i, jin sector region in scope, then sampled point 22 is suitable sampled point.
Distance 26 between calculating sampling point 22 and base station 21 is D
x, i, the distance 27 between sampled point 22 and base station 23 is D
x, j, the distance 28 between base station 21 and base station 23 is D
i, j.
According to the cosine law, can calculate sampled point 22 relative to base station 21 and the angle 25 in line direction, base station 23 is θ
x, i, j.
If θ
x, i, jbe less than or equal to θ
i, j, then this sampled point 22 is within the scope of predetermined angle, selects the calculating that sampled point 22 carries out base station 21 covering radius for available sampling point.If θ
x, i, jbe greater than θ
i, j, then this sampled point 22 is outside predetermined angle scope, is unavailable sampled point, does not use it to calculate the covering radius of base station 21.
The present embodiment, by predetermined angle scope, for calculation base station selects suitable sampled point in the calculating with adjacent base station line direction covering radius, can reduce the amount of calculation when calculation base station covering radius, and improve computational accuracy, thus improves the efficiency calculated.
Further, there is several base station in network, whether before calculating relative to the covering radius of adjacent base station base station, first needing to determine between base station is adjacent base station.Can judge whether the distance between base station is less than whether predeterminable range threshold value between default station is neighboring station relation to determine between base station.Between this station, predeterminable range threshold value can be preset based on experience value.Particularly, presetting predeterminable range threshold value between station is D
mif the latitude and longitude coordinates value of base station i is (α
i, β
i), the latitude and longitude coordinates value of base station j is (α
j, β
j), the distance between calculation base station i and base station j
if judge D
i,j<D
mthen base station i and base station j adjacent base station each other.Otherwise base station i and base station j is not adjacent base station.
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 can comprise:
Step S301, determines base station and the adjacent base station covering radius sum on line direction.
Particularly, according to the method for the covering radius of determination base station on adjacent base station line direction that the inventive method embodiment one provides, base station and the covering radius of adjacent base station on line direction is determined respectively.And calculate two covering radius sums.Such as, base station i and base station j neighboring station each other, base station i is being d with the covering radius on j line direction, base station
i, j, base station j is being d with the covering radius on i line direction, base station
j, i, the covering radius sum d of base station i and adjacent base station j on line direction
i+j=d
i, j+ d
j, i.
Step S302, determines the distance between base station and adjacent base station.
Particularly, the distance between calculation base station and adjacent base station, such as, base station i and base station j neighboring station each other, the distance between base station i and base station j
Step S303, judges the relation between covering radius sum on line direction of base station and adjacent base station and the distance between base station and adjacent base station.
Particularly, the relation between the covering radius sum of above-mentioned adjacent two base stations on line direction and the distance of adjacent two base stations is judged.Such as, base station i and base station j neighboring station each other, the covering radius sum of base station i and adjacent base station j on line direction is d
i+j, the distance between base station i and base station j is D
i, j, preset the alarm factor Δ between base station i and base station j based on experience value
i, j(Δ
i, jspan is between 0 ~ 1), the alarm parameter between base station i and base station j is (1+ Δ
i, j).Judge:
If d
i+j<D
i, j, then between base station i and base station j for blind area covers event, perform step S304.
If D
i,j≤ d
i+j≤ (1+ Δ
i, j) D
i,j, then between base station i and base station j for normally to cover event, perform step S305.
If d
i+j> (1+ Δ
i, j) D
i,j, be then area covered event between base station i and base station j, perform step S306.
Step S304, display blind area covers warning information in real time.
Step S305, the in real time normal coverage information of display.
Step S306, in real time display area covered warning information.
The present embodiment, by judging the relation of the spacing of the covering radius sum of adjacent base station on line direction and adjacent base station, determine the relation between territory, adjacent base station footprints, and show court verdict information in real time, to indicate described blind area to cover event, normal covering event or area covered event, realize the testing process automatically to the network coverage.Can adjust according to the relevant parameter of testing result to base station of the network coverage, optimizing network coverage quality.
Fig. 4 is the structural representation of network coverage detection device embodiment one of the present invention, and as shown in Figure 4, the network coverage detection device of the present embodiment can comprise:
Receiver module 41, the positional information that at least one sampled point for receiving in base station range reports and signal strength values;
Determination module 42, for according to positional information, determines first distance of distance map on base station and adjacent base station line direction between at least one sampled point and base station;
Determination module 42, also for the marginal signal strength threshold value according to the first distance, signal strength values and base station, determines the covering radius of base station on line direction.
The network coverage detection device of the present embodiment, may be used for the technical scheme performing the network coverage detection method embodiment one shown in Fig. 1, it realizes principle and technique effect is similar, repeats no more herein.
As shown in Figure 4, wherein, determination module 42, also for determining that the terminal equipment in the sector region of axle centered by line direction in base station range is at least one sampled point for the structural representation of network coverage detection device embodiment two of the present invention.
The network coverage detection device of the present embodiment, may be used for the technical scheme performing the network coverage detection method embodiment two shown in Fig. 2, it realizes principle and technique effect is similar, repeats no more herein.
As shown in Figure 4, determination module 42, the base station that the distance also for determining between base station is less than predeterminable range threshold value between station is adjacent base station.
Particularly, whether determination module 42 is less than predeterminable range threshold value between default station by the distance judging between base station and determines between base station whether be neighboring station relation.Distance between base station can be calculated by the geographical location information of base station and obtain, and between standing, predeterminable range threshold value can be preset based on experience value.
Fig. 5 is the structural representation of network coverage detection device embodiment three of the present invention, as shown in Figure 5, the network coverage detection device of the present embodiment is on Fig. 4 shown device basis, and determination module 42, also for determining covering radius and the covering radius sum of adjacent base station on line direction of base station.
Determination module 42, also for determining the distance between base station and adjacent base station.
Determination module 42, if the covering radius sum on line direction is less than the distance between base station and adjacent base station specifically for base station and adjacent base station, then determines between base station and adjacent base station for blind area covers event.
Determination module 42, if the covering radius sum on line direction is greater than the distance between base station and adjacent base station specifically for base station and adjacent base station, be less than or equal to the product of distance between base station and adjacent base station and alarm parameter, then determine to be normal covering event between base station and adjacent base station.
Determination module 42, if the covering radius sum on line direction is greater than the product of distance between base station and adjacent base station and alarm parameter specifically for base station and adjacent base station, then determines to be area covered event between base station and adjacent base station.
Real-time display module 43, for showing court verdict information in real time, covers event, normal covering event or area covered event to indicate blind area.If determination module 42 is adjudicated as blind area covers event, then display module 43 covers warning information in display blind area in real time in real time; If determination module 42 is adjudicated as normally to cover event, then display module 43 shows normal coverage information in real time in real time; If determination module 42 is adjudicated as area covered event, then display module 43 shows area covered warning information in real time in real time.Further, can adjust according to the relevant parameter of testing result to base station of the network coverage, optimizing network coverage quality.
The network coverage detection device of the present embodiment, may be used for the technical scheme performing the network coverage detection method embodiment three shown in Fig. 3, it realizes principle and technique effect is similar, repeats no more herein.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; 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, is characterized in that, comprising:
The positional information that at least one sampled point in reception base station range reports and signal strength values;
According to described positional information, determine described first distance of distance map on described base station and adjacent base station line direction between at least one sampled point and described base station;
According to the marginal signal strength threshold value of described first distance, described signal strength values and described base station, determine the covering radius of described base station on described line direction;
The described marginal signal strength threshold value according to described first distance, described signal strength values and described base station, after determining the covering radius of described base station on described line direction, also comprises:
Determine the covering radius of described base station on described line direction and the covering radius sum of described adjacent base station on described line direction;
Determine the distance between described base station and described adjacent base station;
If described base station and the covering radius sum of described adjacent base station on described line direction are less than the distance between described base station and described adjacent base station, then determine between described base station and described adjacent base station for blind area covers event;
If described base station and the covering radius sum of described adjacent base station on described line direction are greater than the distance between described base station and described adjacent base station, be less than or equal to the product of distance between described base station and described adjacent base station and alarm parameter, then determine to be normal covering event between described base station and described adjacent base station;
If described base station and the covering radius sum of described adjacent base station on described line direction are greater than the product of distance between described base station and described adjacent base station and alarm parameter, then determine to be area covered event between described base station and described adjacent base station.
2. method according to claim 1, is characterized in that, before the positional information that in described reception base station, at least one sampled point reports and signal strength values, also comprises:
Determine that the terminal equipment in the sector region of the predetermined angle scope of axle centered by described line direction in described base station range is at least one sampled point described.
3. method according to claim 1 and 2, is characterized in that, before the positional information that at least one sampled point in described reception base station range reports and signal strength values, also comprises:
The base station that the distance determining between described base station is less than predeterminable range threshold value between station is described adjacent base station.
4. method according to claim 1, is characterized in that, also comprises:
Real-time display court verdict information, covers event, normal covering event or area covered event to indicate described blind area.
5. a network coverage detection device, is characterized in that, comprising:
Receiver module, the positional information that at least one sampled point for receiving in base station range reports and signal strength values;
Determination module, for according to described positional information, determine described first distance of distance map on described base station and adjacent base station line direction between at least one sampled point and described base station, according to the marginal signal strength threshold value of described first distance, described signal strength values and described base station, determine the covering radius of described base station on described line direction;
Described determination module, also for determining covering radius on described line direction and the covering radius sum of described adjacent base station on described line direction of described base station, determine the distance between described base station and described adjacent base station, if described base station and the covering radius sum of described adjacent base station on described line direction are less than the distance between described base station and described adjacent base station, then determine between described base station and described adjacent base station for blind area covers event, if described base station and the covering radius sum of described adjacent base station on described line direction are greater than the distance between described base station and described adjacent base station, be less than or equal to the product of distance between described base station and described adjacent base station and alarm parameter, then determine to be normal covering event between described base station and described adjacent base station, if described base station and the covering radius sum of described adjacent base station on described line direction are greater than the product of distance between described base station and described adjacent base station and alarm parameter, then determine to be area covered event between described base station and described adjacent base station.
6. device according to claim 5, is characterized in that, described determination module, also for determining that the terminal equipment in the sector region of the predetermined angle scope of axle centered by described line direction in described base station range is at least one sampled point described.
7. the device according to claim 5 or 6, is characterized in that, described determination module, and the base station that the distance also for determining between described base station is less than predeterminable range threshold value between station is described adjacent base station.
8. device according to claim 5, is characterized in that, also comprises:
Real-time display module, for showing court verdict information in real time, covers event, normal covering event or area covered event to indicate described blind area.
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| CN104581771B (en) * | 2013-10-09 | 2018-05-18 | 华为技术有限公司 | A kind of area covered recognition methods, device and base station controller |
| CN104144440B (en) * | 2014-06-13 | 2017-11-28 | 华为技术服务有限公司 | One kind gets over area's interference optimization method and device |
| CN104540148B (en) * | 2014-12-08 | 2018-06-05 | 上海大唐移动通信设备有限公司 | The detection method and device of a kind of area covered |
| CN104768175B (en) * | 2015-04-02 | 2019-02-19 | 广州杰赛科技股份有限公司 | A kind of Local Area Network coverage detection method and system |
| CN106162548B (en) * | 2015-04-28 | 2020-02-14 | 中国移动通信集团公司 | Method and device for identifying ultra-far neighbor cell coverage |
| CN106507372A (en) * | 2015-09-07 | 2017-03-15 | 中兴通讯股份有限公司 | A kind of wireless network zone-skipping coverage detection method, device and communication system |
| CN106856608B (en) * | 2015-12-09 | 2019-12-20 | 中国联合网络通信集团有限公司 | LTE network base station coverage effectiveness evaluation method and device |
| CN107046700B (en) * | 2016-02-05 | 2020-04-21 | 中兴通讯股份有限公司 | Method and device for predicting base station switching of mobile terminal |
| CN110012486B (en) * | 2019-04-09 | 2022-04-08 | 中国联合网络通信集团有限公司 | Method and device for judging cross-zone coverage |
| CN111800854A (en) * | 2020-06-24 | 2020-10-20 | 北京红山信息科技研究院有限公司 | Base station position verification method, device, equipment and storage medium |
| CN113923666B (en) * | 2021-11-15 | 2023-06-16 | 中国联合网络通信集团有限公司 | Method and device for identifying over-coverage base station, electronic equipment and storage medium |
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