CN107196723B - A method and system for calibrating a propagation model - Google Patents
A method and system for calibrating a propagation model Download PDFInfo
- Publication number
- CN107196723B CN107196723B CN201610144546.3A CN201610144546A CN107196723B CN 107196723 B CN107196723 B CN 107196723B CN 201610144546 A CN201610144546 A CN 201610144546A CN 107196723 B CN107196723 B CN 107196723B
- Authority
- CN
- China
- Prior art keywords
- drive test
- area
- sub
- tested
- region
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 117
- 238000012937 correction Methods 0.000 claims abstract description 32
- 238000012986 modification Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005034 decoration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
本发明提供了一种传播模型的校正方法及系统，该方法包括：获取待测区域的路测数据，根据所述路测数据确定所述待测区域的路测特征信息；根据所述路测特征信息将所述待测区域划分为至少两个子区域；采用各子区域对应的路测数据分别对各个子区域进行传播模型校正。本发明解决了在小区环境复杂的场景下对小区进行单一传播模型校正，导致校正结果不准的问题，有效地提高了环境复杂的场景下，小区传播模型校正的准确性。
The present invention provides a method and system for calibrating a propagation model. The method includes: acquiring drive test data of an area to be tested, determining drive test feature information of the area to be tested according to the drive test data; The feature information divides the area to be tested into at least two sub-areas; the drive test data corresponding to each sub-area is used to correct the propagation model of each sub-area. The invention solves the problem of inaccurate correction results when a single propagation model is corrected in a cell in a complex environment, and effectively improves the accuracy of cell propagation model correction in a complex environment.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and a system for correcting a propagation model.
Background
In network planning, it is important to perform propagation modeling. The propagation model correction is to select a classical model, and correct each coefficient of the classical model by a propagation model correction algorithm according to the Reference Signal Receiving Power (RSRP), so as to generate a propagation model conforming to the environment. Currently, only one propagation model can be configured for one cell.
However, when the environment around a cell is complex, since only one propagation model can be configured for one cell, the influence of different environments in different directions cannot be considered, and the accuracy of correcting the propagation model in units of cells is greatly reduced.
Therefore, how to provide a propagation model correction method capable of ensuring the accuracy of the correction result of the propagation model in a complex cell environment is an important problem to be solved at present.
Disclosure of Invention
The invention provides a method and a system for correcting a propagation model, which effectively solve the problem that the correction result of a single propagation model for a cell is not accurate in a scene with a complex cell environment.
According to a first aspect of the present invention, there is provided a method of correcting a propagation model, the method comprising:
acquiring drive test data of a region to be tested, and determining drive test characteristic information of the region to be tested according to the drive test data;
dividing the area to be tested into at least two sub-areas according to the drive test characteristic information;
and respectively correcting the propagation model of each subregion by adopting the drive test data corresponding to each subregion.
Optionally, the determining the drive test feature information of the area to be tested according to the drive test data further includes:
determining the drive test coverage distance of the area to be tested in each direction according to the drive test data;
correspondingly, the dividing the region to be measured into at least two sub-regions according to the drive test feature information further includes:
dividing the area to be tested into at least two sub-areas according to a preset covering distance difference threshold and the determined drive test covering distance in each direction, so that the difference between the driving test covering distances in each divided sub-area is smaller than the covering distance difference threshold.
Optionally, after the dividing the region to be measured into at least two sub-regions according to the drive test feature information, the method further includes:
and correcting the region division result according to the Reference Signal Received Power (RSRP) at the same distance of each sub-region.
Optionally, the modifying the region division result according to the reference signal received power RSRP at the same distance of each sub-region further includes:
acquiring RSRP corresponding to each sub-area, wherein the RSRP is the RSRP of a position point with the same distance from the base station position of the area to be measured in each sub-area;
judging whether the difference value of the RSRP corresponding to the adjacent sub-areas is larger than or equal to a preset RSRP difference threshold or not;
and if the judgment result is negative, carrying out region merging on the adjacent sub-regions.
Optionally, the method further comprises:
and setting the coverage distance difference threshold and the RSRP difference threshold according to the historical drive test data of the area to be tested.
According to a second aspect of the present invention, there is provided a correction system for a propagation model, the system comprising:
the device comprises a determining unit, a judging unit and a judging unit, wherein the determining unit is used for acquiring the drive test data of a region to be tested and determining the drive test characteristic information of the region to be tested according to the drive test data;
the dividing unit is used for dividing the area to be tested into at least two sub-areas according to the drive test characteristic information determined by the determining unit;
and the correcting unit is used for respectively correcting the propagation model of each subarea divided by the dividing unit by adopting the drive test data corresponding to each subarea.
Optionally, the determining unit further determines a drive test coverage distance of the area to be tested in each direction according to the drive test data;
correspondingly, the dividing unit is further configured to divide the area to be measured into at least two sub-areas according to a preset coverage distance difference threshold and the determined drive test coverage distances in each direction, so that the difference between the drive test coverage distances in each divided sub-area is smaller than the coverage distance difference threshold.
Optionally, the system further comprises:
and the correcting unit is used for correcting the region division result according to the Reference Signal Received Power (RSRP) of each sub-region at the same distance after the region to be detected is divided into at least two sub-regions according to the drive test characteristic information.
Optionally, the correction unit further includes:
the acquisition module is used for acquiring RSRP corresponding to each sub-area, wherein the RSRP is the RSRP of a position point with the same distance from the base station position of the area to be detected in each sub-area;
the judging module is used for judging whether the difference value of the RSRP corresponding to the adjacent sub-areas is larger than or equal to a preset RSRP difference threshold or not;
and the modification module is used for carrying out region combination on the adjacent sub-regions when the judgment result of the judgment module is negative.
Optionally, the system further comprises:
and the setting unit is used for setting the coverage distance difference threshold and the RSRP difference threshold according to the historical drive test data of the area to be tested.
The invention has the beneficial effects that:
according to the method and the system for correcting the propagation model, the cell is divided into at least two areas based on the drive test characteristic information, the propagation model correction is respectively carried out on different areas by adopting the drive test data in the respective areas to obtain at least two area propagation models, the problem that the correction result is inaccurate when the single propagation model correction is carried out on the cell in a scene with a complex cell environment in the prior art is solved, and the accuracy of the cell propagation model correction in the scene with the complex environment is effectively improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a flowchart of a method for correcting a propagation model according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a method for calibrating a propagation model according to another embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a calibration system for a propagation model according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a calibration system of a propagation model according to another embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
Fig. 1 shows a flowchart of a method for correcting a propagation model according to an embodiment of the present invention.
Referring to fig. 1, a method for correcting a propagation model provided in the embodiment of the present invention specifically includes the following steps:
and S11, acquiring the drive test data of the area to be tested, and determining the drive test characteristic information of the area to be tested according to the drive test data.
It should be noted that the drive test characteristic information includes, but is not limited to, drive test coverage distances of a to-be-measured area in various directions, a maximum drive test coverage distance of the to-be-measured area, a minimum drive test coverage distance of the to-be-measured area, reference signal received power RSRP of each position point in the to-be-measured area, and combinations thereof.
And S12, dividing the area to be measured into at least two sub-areas according to the drive test characteristic information.
And S13, performing propagation model correction on each sub-region by adopting the drive test data corresponding to each sub-region.
According to the method for correcting the propagation model, the cell is divided into at least two areas based on the drive test characteristic information, the propagation model correction is respectively carried out on different areas by adopting the drive test data in the respective areas to obtain at least two area propagation models, the problem that the correction result is inaccurate due to the fact that the single propagation model correction is carried out on the cell in the prior art in the scene with a complex cell environment is solved, and the accuracy of the cell propagation model correction in the scene with the complex environment is effectively improved.
In an optional embodiment of the present invention, the determining, in step S11, the drive test characteristic information of the area to be tested according to the drive test data further includes the following steps:
determining the drive test coverage distance of the area to be tested in each direction according to the drive test data;
correspondingly, step S12 divides the region to be measured into at least two sub-regions according to the drive test characteristic information, further including the following steps:
dividing the area to be tested into at least two sub-areas according to a preset covering distance difference threshold and the determined drive test covering distance in each direction, so that the difference between the driving test covering distances in each divided sub-area is smaller than the covering distance difference threshold.
Fig. 2 shows a flowchart of a method for correcting a propagation model according to another embodiment of the present invention.
Referring to fig. 2, the method for correcting a propagation model provided in the embodiment of the present invention specifically includes the following steps:
s21, acquiring drive test data of a region to be tested, and determining the drive test coverage distance of the region to be tested in each direction according to the drive test data;
and S22, dividing the area to be tested into at least two sub-areas according to a preset coverage distance difference threshold and the determined drive test coverage distance in each direction, so that the difference between the drive test coverage distances in each divided sub-area is smaller than the coverage distance difference threshold.
And S23, correcting the region division result according to the Reference Signal Received Power (RSRP) of each sub region at the same distance.
And S24, performing propagation model correction on each sub-region by adopting the drive test data corresponding to each sub-region.
In the embodiment of the present invention, the step S23 corrects the region division result according to the reference signal received power RSRP at the same distance of each sub-region, and further includes the following steps not shown in the figure:
s231, acquiring RSRP corresponding to each sub-area, wherein the RSRP is the RSRP of a position point with the same distance from the base station position of the area to be measured in each sub-area;
s232, judging whether the difference value of the RSRP corresponding to the adjacent sub-areas is larger than or equal to a preset RSRP difference threshold, if so, confirming that the area division result does not need to be modified, otherwise, executing the step S233;
and S233, carrying out region combination on the adjacent sub-regions.
In an alternative embodiment of the invention, the method further comprises the steps of:
and setting the coverage distance difference threshold and the RSRP difference threshold according to the historical drive test data of the area to be tested.
The method for correcting the propagation model provided by the embodiment of the invention divides the area to be measured based on the characteristic information of the drive test data, further realizes the grouping of the drive test data, carries out area division correction according to whether the difference value of RSRP at the same distance in different directions on a drive test circuit diagram is greater than or equal to a preset threshold or not on the basis that the difference value between the coverage distances of all the drive tests in each divided sub-area is smaller than the coverage distance difference threshold, obtains each sub-area, and carries out propagation model correction on each sub-area by adopting the drive test data corresponding to each sub-area, thereby improving the accuracy of the correction of the cell propagation model.
The following is a detailed description of embodiments of the invention.
Firstly, setting a coverage distance difference threshold as an RSRP difference threshold value, preferably setting the coverage distance difference threshold as 2km and the RSRP difference threshold value as 10dBm, and acquiring RSRP data of the road test;
then, judging the drive test coverage distance in each direction, and dividing the area to be tested into at least two sub-areas according to a preset coverage distance difference threshold, so that the difference between the drive test coverage distances in each divided sub-area is smaller than the coverage distance difference threshold.
Such as: the west side covers 6 km farthest and the east side 3 km farthest.
Next, judging whether the RSRP difference value of the positions at the same distance on the east and west sides is larger than or equal to a preset RSRP difference threshold or not;
for example, RSRP is-85 at 3 kilometers on the west and-105 at 3 kilometers on the east, with a large difference.
And finally, dividing the whole cell drive test data into east and west types, extracting the east and west types, and respectively correcting the propagation model according to the drive test data of different sub-regions.
In the embodiment of the invention, the whole cell can be divided into east and west sub-regions according to the longitude and latitude, and the cell drive test data can be divided into east and west sub-regions. It can be understood that the area division according to the longitude and latitude is only an optional means for realizing the area division, the invention is not limited to this specifically, and those skilled in the art can perform specific setting according to practical application.
According to the method, the coverage distance difference threshold of the maximum drive test coverage distance and the RSRP difference threshold at the same distance are configured in advance, on the basis that the maximum drive test coverage distance is larger than or equal to the preset threshold, the RSRP difference value at the same distance in different directions is larger than or equal to the preset threshold in a grouping mode according to the drive test data, and then the propagation model correction is carried out on the drive test data of different sub-areas.
For simplicity of explanation, the method embodiments are described as a series of acts or combinations, but those skilled in the art will appreciate that the embodiments are not limited by the order of acts described, as some steps may occur in other orders or concurrently with other steps in accordance with the embodiments of the invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Fig. 3 is a schematic structural diagram illustrating a system for correcting a propagation model according to an embodiment of the present invention.
Referring to fig. 3, the system for correcting a propagation model according to the embodiment of the present invention specifically includes a determining unit 301, a dividing unit 302, and a correcting unit 303, where:
the determining unit 301 is configured to acquire drive test data of a region to be tested, and determine drive test feature information of the region to be tested according to the drive test data;
the dividing unit 302 is configured to divide the region to be tested into at least two sub-regions according to the drive test feature information determined by the determining unit;
the correcting unit 303 is configured to perform propagation model correction on each sub-region divided by the dividing unit by using the drive test data corresponding to each sub-region.
In an optional embodiment of the present invention, the determining unit 301 further determines, according to the drive test data, a drive test coverage distance of the area to be tested in each direction;
correspondingly, the dividing unit 302 is further configured to divide the area to be measured into at least two sub-areas according to a preset coverage distance difference threshold and the determined drive test coverage distances in each direction, so that the difference between the drive test coverage distances in each divided sub-area is smaller than the coverage distance difference threshold.
In an alternative embodiment of the present invention, as shown in fig. 4, the system further comprises a correction unit:
the correcting unit is configured to correct a region division result according to reference signal received power RSRP at the same distance of each sub-region after the region to be detected is divided into at least two sub-regions according to the drive test characteristic information.
In an optional embodiment of the present invention, the modifying unit further includes:
the acquisition module is used for acquiring RSRP corresponding to each sub-area, wherein the RSRP is the RSRP of a position point with the same distance from the base station position of the area to be detected in each sub-area;
the judging module is used for judging whether the difference value of the RSRP corresponding to the adjacent sub-areas is larger than or equal to a preset RSRP difference threshold or not;
and the modification module is used for carrying out region combination on the adjacent sub-regions when the judgment result of the judgment module is negative.
In an alternative embodiment of the invention, the system further comprises a setup unit not shown in the drawings:
the setting unit is used for setting the coverage distance difference threshold and the RSRP difference threshold according to the historical drive test data of the area to be tested.
For the system embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
In summary, the method and system for correcting propagation models provided in the embodiments of the present invention divide a cell into at least two regions based on drive test characteristic information, and perform propagation model correction on different regions respectively by using drive test data in the respective regions to obtain at least two region propagation models, so as to solve the problem in the prior art that a correction result is inaccurate when a single propagation model correction is performed on the cell in a scene with a complex cell environment, and effectively improve accuracy of cell propagation model correction in a scene with a complex environment.
Through the above description of the embodiments, those skilled in the art will clearly understand that the present invention may be implemented by hardware, or by software plus a necessary general hardware platform. Based on such understanding, the technical solution of the present invention can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a usb disk, a removable hard disk, etc.), and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments of the present invention.
Those skilled in the art will appreciate that the drawings are merely schematic representations of one preferred embodiment and that the blocks or flow diagrams in the drawings are not necessarily required to practice the present invention.
Those skilled in the art will appreciate that the modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, and may be correspondingly changed in one or more devices different from the embodiments. The units of the above embodiments may be combined into one unit, or may be further split into a plurality of sub-modules.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A method for correcting a propagation model, the method comprising:
acquiring drive test data of a region to be tested in the same cell, and determining drive test characteristic information of the region to be tested according to the drive test data;
the drive test characteristic information comprises drive test coverage distance of a region to be tested in each direction, maximum drive test coverage distance of the region to be tested, minimum drive test coverage distance of the region to be tested, Reference Signal Received Power (RSRP) of each position point in the region to be tested and combination information of the RSRP;
dividing the area to be tested into at least two sub-areas according to the drive test characteristic information;
adopting the drive test data corresponding to each subregion to respectively carry out propagation model correction on each subregion;
wherein, the determining the drive test characteristic information of the area to be tested according to the drive test data further comprises:
determining the drive test coverage distance of the area to be tested in each direction according to the drive test data;
correspondingly, the dividing the region to be measured into at least two sub-regions according to the drive test feature information further includes:
dividing the area to be tested into at least two sub-areas according to a preset covering distance difference threshold and the determined drive test covering distance in each direction, so that the difference value between the drive test covering distances in each divided sub-area is smaller than the covering distance difference threshold;
the coverage distance difference threshold is 2 km.
2. The method according to claim 1, wherein after the dividing the region to be tested into at least two sub-regions according to the drive test characteristic information, the method further comprises:
and correcting the region division result according to the Reference Signal Received Power (RSRP) at the same distance of each sub-region.
3. The method of claim 2, wherein the modifying the region division result according to the Reference Signal Received Power (RSRP) at the same distance of each sub-region further comprises:
acquiring RSRP corresponding to each sub-area, wherein the RSRP is the RSRP of a position point with the same distance from the base station position of the area to be measured in each sub-area;
judging whether the difference value of the RSRP corresponding to the adjacent sub-areas is larger than or equal to a preset RSRP difference threshold or not;
and if the judgment result is negative, carrying out region merging on the adjacent sub-regions.
4. The method of claim 1, further comprising:
and setting the coverage distance difference threshold and the RSRP difference threshold according to the historical drive test data of the area to be tested.
5. A system for correcting a propagation model, the system comprising:
the device comprises a determining unit and a judging unit, wherein the determining unit is used for acquiring the drive test data of the area to be tested in the same cell and determining the drive test characteristic information of the area to be tested according to the drive test data;
the drive test characteristic information comprises drive test coverage distance of a region to be tested in each direction, maximum drive test coverage distance of the region to be tested, minimum drive test coverage distance of the region to be tested, Reference Signal Received Power (RSRP) of each position point in the region to be tested and combination information of the RSRP;
the dividing unit is used for dividing the area to be tested into at least two sub-areas according to the drive test characteristic information determined by the determining unit;
the correction unit is used for respectively correcting the propagation model of each subarea divided by the dividing unit by adopting the drive test data corresponding to each subarea;
wherein the determining unit is further configured to: determining the drive test coverage distance of the area to be tested in each direction according to the drive test data;
correspondingly, the dividing unit is further configured to: dividing the area to be tested into at least two sub-areas according to a preset covering distance difference threshold and the determined drive test covering distance in each direction, so that the difference value between the drive test covering distances in each divided sub-area is smaller than the covering distance difference threshold;
the coverage distance difference threshold is 2 km.
6. The system of claim 5, further comprising:
and the correcting unit is used for correcting the region division result according to the Reference Signal Received Power (RSRP) of each sub-region at the same distance after the region to be detected is divided into at least two sub-regions according to the drive test characteristic information.
7. The system of claim 6, wherein the correction unit further comprises:
the acquisition module is used for acquiring RSRP corresponding to each sub-area, wherein the RSRP is the RSRP of a position point with the same distance from the base station position of the area to be detected in each sub-area;
the judging module is used for judging whether the difference value of the RSRP corresponding to the adjacent sub-areas is larger than or equal to a preset RSRP difference threshold or not;
and the modification module is used for carrying out region combination on the adjacent sub-regions when the judgment result of the judgment module is negative.
8. The system of claim 5, further comprising:
and the setting unit is used for setting the coverage distance difference threshold and the RSRP difference threshold according to the historical drive test data of the area to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610144546.3A CN107196723B (en) | 2016-03-14 | 2016-03-14 | A method and system for calibrating a propagation model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610144546.3A CN107196723B (en) | 2016-03-14 | 2016-03-14 | A method and system for calibrating a propagation model |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107196723A CN107196723A (en) | 2017-09-22 |
| CN107196723B true CN107196723B (en) | 2021-05-25 |
Family
ID=59871946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610144546.3A Expired - Fee Related CN107196723B (en) | 2016-03-14 | 2016-03-14 | A method and system for calibrating a propagation model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107196723B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109104731B (en) * | 2018-07-04 | 2021-10-29 | 广东海格怡创科技有限公司 | Method and device for building cell scene category division model and computer equipment |
| CN109526019B (en) * | 2018-12-26 | 2022-04-08 | 国网湖南省电力有限公司 | Method for correcting wireless private network base station coverage propagation model based on measured data |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101959199A (en) * | 2009-07-17 | 2011-01-26 | 中兴通讯股份有限公司 | Transmission environment dividing method and device based on existing network test data |
| CN103581928A (en) * | 2012-08-10 | 2014-02-12 | 中国移动通信集团河南有限公司 | Method and device for cell combination |
| CN103796217A (en) * | 2012-10-26 | 2014-05-14 | 中国移动通信集团设计院有限公司 | Prediction region division method and device based on road test data |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7035632B2 (en) * | 2000-09-26 | 2006-04-25 | Scoreboard, Inc. | Path loss data normalization for growth management of a cellular system |
| CN101137171B (en) * | 2007-03-02 | 2011-07-13 | 中兴通讯股份有限公司 | Method and system for obtaining and correcting wireless propagation model parameter |
| CN102547752B (en) * | 2010-12-07 | 2015-08-19 | 中国移动通信集团广东有限公司 | A kind of coverage evaluating method of wireless network and device |
| CN103096368B (en) * | 2011-11-04 | 2015-12-02 | 中国移动通信集团公司 | A kind of CSI measurement triggering method, terminal, base station and system |
| CN104955090B (en) * | 2015-04-30 | 2018-12-14 | 上海大唐移动通信设备有限公司 | A kind of area interference determines method and device |
-
2016
- 2016-03-14 CN CN201610144546.3A patent/CN107196723B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101959199A (en) * | 2009-07-17 | 2011-01-26 | 中兴通讯股份有限公司 | Transmission environment dividing method and device based on existing network test data |
| CN103581928A (en) * | 2012-08-10 | 2014-02-12 | 中国移动通信集团河南有限公司 | Method and device for cell combination |
| CN103796217A (en) * | 2012-10-26 | 2014-05-14 | 中国移动通信集团设计院有限公司 | Prediction region division method and device based on road test data |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107196723A (en) | 2017-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108243405B (en) | Fingerprint database establishing method and measurement report MR positioning method and device | |
| US9877219B2 (en) | Wireless network site survey systems and methods | |
| CN110881191B (en) | Method, device and system for acquiring longitude and latitude of cell and storage medium | |
| CN103929719B (en) | The optimization method and optimization device of location information | |
| EP2640116A1 (en) | Calibration method and device for coverage database | |
| US9402188B2 (en) | Geo-location error correction for small cell placement | |
| KR102054090B1 (en) | Methods, devices, storage media and devices for automatically discovering gas station POIs | |
| CN103929751B (en) | Method and device for determining pair of cells located in different networks and covering same area | |
| CN104811968B (en) | A kind of bearing calibration of propagation model and device | |
| CN103179658A (en) | Positioning method and positioning server using wireless signals | |
| JP2019502115A (en) | Positioning of mobile equipment | |
| US20200145790A1 (en) | Positioning correction method and apparatus | |
| CN111818550B (en) | Method, device and device for predicting network coverage | |
| CN107196723B (en) | A method and system for calibrating a propagation model | |
| CN113758492A (en) | Map detection method and device | |
| CN104359495A (en) | Application testing method and device | |
| CN104977016B (en) | Navigation processing method and mobile intelligent terminal | |
| CN112770326B (en) | LoRa gateway deployment method, device, equipment and storage medium | |
| CN107250831A (en) | The instruction of the direction of advance of mobile device is provided | |
| CN106796277B (en) | Location adjustment in a mobile communication network | |
| CN105828342B (en) | A method and device for confirming neighbor relationship | |
| CN109362027B (en) | Positioning method, device, equipment and storage medium | |
| CN111765901A (en) | Path planning quality evaluation method and device, storage medium and electronic device | |
| CN113946639A (en) | Map coordinate conversion method and system | |
| CN106714111A (en) | Positioning method and device for measuring report |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |