CN115052303A - Base station direction angle deviation rectifying method, storage medium and device based on grid RSRP data - Google Patents
Base station direction angle deviation rectifying method, storage medium and device based on grid RSRP data Download PDFInfo
- Publication number
- CN115052303A CN115052303A CN202210879479.5A CN202210879479A CN115052303A CN 115052303 A CN115052303 A CN 115052303A CN 202210879479 A CN202210879479 A CN 202210879479A CN 115052303 A CN115052303 A CN 115052303A
- Authority
- CN
- China
- Prior art keywords
- rsrp
- direction angle
- base station
- path loss
- fitting
- 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.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/06—Testing, supervising or monitoring using simulated traffic
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a method, a storage medium and a device for correcting a direction angle of a base station based on raster RSRP data, wherein the method comprises the following steps: setting the size, the calculation radius and the initial position of a lobe angle of a direction angle and the angle movement degree of the direction angle by taking the position of a base station as the origin of the direction angle; moving the direction angles according to the angle movement degrees, and calculating the fitting degree of each direction angle; taking the direction angle with the highest fitting degree as the direction angle of the base station; the calculating the fitting degree of each direction angle comprises the following steps: calculating actual rsrp values of the MR data uploaded at all user positions in the direction angle, and calculating through a coverage model to obtain corresponding fitted rsrp values; if the actual rsrp value and the fitted rsrp value are within a certain error range, the degree of fit is increased. The invention only needs to input the MR data containing longitude and latitude information and rsrp value information and the longitude and latitude data of the base station, and generates the coverage direction angle of the cell through automatic calculation.
Description
Technical Field
The invention relates to a method, a storage medium and a device for correcting a direction angle of a base station based on grid RSRP data.
Background
The base station azimuth information is the basis for base station management. However, most of the base station cell direction angle data uploaded to the big data system by the network manager at present are manually reported, no stable acquisition way is available, and the situation that the network management direction angle of some base stations is inconsistent with the actual direction angle exists, which also brings difficulty to the daily maintenance optimization management of the subsequent base stations. Aiming at the problems, a set of method for judging the direction angle of the base station according to the MR data uploaded by the user is established, and based on the method, the correction of the direction angle of the base station can be carried out.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method, a storage medium and a device for correcting the direction angle of a base station based on grid RSRP data.
The purpose of the invention is realized by the following technical scheme:
the invention provides a method for correcting a direction angle of a base station based on grid RSRP data, which comprises the following steps:
setting the size, the calculation radius and the initial position of a lobe angle of a direction angle and the angle movement degree of the direction angle by taking the position of a base station as the origin of the direction angle;
moving the direction angles according to the angle movement degrees, and calculating the fitting degree of each direction angle;
taking the direction angle with the highest fitting degree as the direction angle of the base station;
the calculating the fitting degree of each direction angle comprises the following steps:
calculating actual rsrp values of the MR data uploaded at all user positions in the direction angle, and calculating through a coverage model to obtain corresponding fitted rsrp values;
if the actual rsrp value and the fitted rsrp value are within a certain error range, the degree of fit is increased.
Further, the lobe angle is 65 °, the calculation radius is 1km, and the angular movement degree is 5 °.
Further, the fitted rsrp value is calculated as:
the base station transmitting power + base station antenna gain-bottom noise-path loss-penetration loss-human body loss-interference margin + mobile phone antenna gain-mobile phone noise coefficient.
Further, the base station transmit power is 10 LOG 10 (total base station power/total number of PRBs/12 × 1000); the gain of the base station antenna is set to be a fixed value according to different equipment models; the floor noise is-174 +10lg (subcarrier spacing).
Further, the path loss is divided into urban scene path loss and rural scene path loss; the urban scene path loss calculation mode comprises the following steps:
PL UMa-NLOS =max(PL UMa-LOS ,PL′ UMa-NLOS )
PL 1 =28.0+22log 10 (d 3D )+20log 10 (f c )
PL 2 =28.0+40log 10 (d 3D )+20log 10 (f c )-9log 10 ((d′ BP ) 2 +(h BS -h UT ) 2 )
PL′ UMa-NLOS =13.54+39.08log 10 (d 3D )+20log 10 (f c )-0.6(h UT -1.5)
wherein PL Uma-NLOS Representing path loss, PL, in non-line-of-sight scenarios for urban macrocells Uma-LOS Represents the path loss, PL ', in the line-of-sight scenario of a city macrocell' Uma-LOS Representing the path loss of the actual calculated urban macro cell under the non-line-of-sight scene;
d 2D is the planar distance, d ', of the user position from the base station cell' BP Representing that the distance value of the boundary point is 4h' BS *h' UT *f c /c,h' BS =h BS –h E ,h' UT =h UT –h E ,h BS Indicates the base station antenna height, h UT Indicates the height of the user, h E Is 0.8m-1.2m, f c Is the center frequency of the base station frequency point, c is 3.0 × 10 8 m/s,d 3D The specific calculation formula for the 3D distance between the point and the base station cell antenna is:
the rural scene path loss calculation mode comprises the following steps:
at d 2D Within 10m to 5km, using PL RMa-NLOS As PL path loss, when d 2D When greater than 5km, PL is used RMa-LOS As PL path loss, where:
PL RMa-NLOS =max(PL RMa-LOS ,PL′ RMa-NLOS )
PL′ RMa-NLOS =161.04-7.1log 10 (W)+7.5log 10 (h)-(24.37-3.7(h/h BS ) 2 )log 10 (h BS )+(43.42-3.1log 10 (h BS ))(log 10 (d 3D )-3)+20log 10 (f c )-(3.2(log 10 (11.75h UT )) 2 -4.97)
PL 1 =20log 10 (40πd 3D f c /3)+min(0.03h 1.72 ,10)log 10 (d 3D )-min(0.044h 1.72 ,14.77)+0.002log 10 (h)d 3D
PL 2 =PL 1 (d BP )+40log 10 (d 3D /d BP )
wherein,PL Rma-NLOS Represents the path loss, PL, of a rural macrocellular in a non-line-of-sight scenario Rma-LOS Represents the path loss, PL ', in the line-of-sight scenario of a city macrocell' Rma-LOS Representing the path loss of the actually calculated rural macro-cell under the non-line-of-sight scene;
w denotes street width, h denotes average building height, d BP =2πh BS h UT f c /c。
Further, the penetration loss is the loss of penetration of electromagnetic waves with different frequencies on different scene paths.
Further, the human body loss, the mobile phone antenna gain and the mobile phone noise coefficient are all fixed values; the interference margin sub-scenes are set to different values.
Further, the calculating the actual rsrp value of the MR data uploaded at the position where all users are located in the direction angle includes:
the acquired MR data comprises an MR longitude and latitude field and an MR signal strength rsrp field, the MR longitude and latitude field is used for calculating a fitting rsrp value, and the MR signal strength rsrp field is used as the actual rsrp value.
In a second aspect of the present invention, a storage medium is provided, on which computer instructions are stored, and when the computer instructions are executed, the steps of the method for correcting the direction angle of the base station based on the grid RSRP data are executed.
In a third aspect of the present invention, an apparatus is provided, which includes a memory and a processor, the memory having stored thereon computer instructions executable on the processor, the processor executing the computer instructions to perform the steps of the method for correcting a base station direction angle based on RSRP raster data.
The invention has the beneficial effects that:
(1) in an exemplary embodiment of the invention, only MR data containing longitude and latitude information and rsrp value information and the longitude and latitude data of the base station itself need to be input, and the coverage direction angle of the cell is generated through automatic calculation.
(2) In an exemplary embodiment of the invention, a specific calculation mode for fitting the rsrp value is disclosed, so that the calculation is accurate and reliable.
Drawings
FIG. 1 is a flow chart of a method in an exemplary embodiment of the invention;
FIG. 2 is a schematic view of an initial position in an exemplary embodiment of the invention;
FIG. 3 is a schematic illustration of a movement of a direction angle to one of the directions in an exemplary embodiment of the invention;
FIG. 4 is a diagram illustrating user locations and base station cells in an exemplary embodiment of the invention;
fig. 5 is an antenna gain pattern in an exemplary embodiment of the invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, fig. 1 illustrates a method for correcting a base station direction angle based on a raster RSRP data according to an exemplary embodiment of the present invention, where MR (Measurement Report) refers to data sent every 480ms (470 ms on a signaling channel) on a traffic channel, and the data may be used for network evaluation and optimization.
The method comprises the following steps:
s1: and setting the size of the lobe angle of the direction angle, the calculation radius and the initial position of the direction angle and the angle movement degree of the direction angle by taking the position of the base station as the origin of the direction angle.
In one exemplary embodiment, the lobe angle is 65 °, the calculation radius is 1km, the angular movement is 5 °, the initial position is the north direction, as shown in fig. 2, and the dot is the user position.
S3: and moving the direction angles according to the angle movement degrees, and calculating the fitting degree of each direction angle.
As shown in fig. 3, fig. 3 is a schematic diagram of the direction angle moving to one of the directions.
S5: and taking the direction angle with the highest fitting degree as the direction angle of the base station.
Wherein: the calculating the fitting degree of each direction angle comprises the following steps:
s31: calculating actual rsrp values of the MR data uploaded at all user positions in the direction angle, and calculating through a coverage model to obtain corresponding fitted rsrp values;
s33: if the actual rsrp value and the fitted rsrp value are within a certain error range, the degree of fit is increased.
RSRP (Reference Signal Receiving Power) is one of the key parameters that can represent the wireless Signal strength in LTE networks and the physical layer measurement requirements, and is the average of the received Signal Power over all REs (resource elements) that carry Reference signals within a certain symbol.
Namely, under the condition of keeping the total number of the MR strips constant, the direction angle with the highest fitting degree is finally found.
rsrp mr The MR message is automatically reported by all user terminals and is automatically acquired by a network management system. In the actual calculation process, the area in the sector direction angle can be drawn as a 10 × 10m (certain area) grid, and the rsrp in the same grid mr Taking arithmetic mean, and ensuring rsrp in each grid after accumulating for a certain time mr The data is ready.
Wherein, in an exemplary embodiment, the initial value of the fitness is 0, and the increasing the fitness is 1 per increase; in yet another exemplary embodiment, in an exemplary embodiment, the initial value of the fitting degree is 0, and the increasing fitting degree is an increase in a proportion of 1 according to an actual error proportion, that is: if rsrp mr =rsrp Fitting The degree of fitting is increased by 1; if rsrp mr =X*rsrp Fitting Or X < rsrp mr =rsrp Fitting And X is less than 1 and greater than 0.9 (optional), then the fitness corresponds to increasing X, otherwise the fitness is not increased.
More preferably, in an exemplary embodiment, the calculating the actual rsrp values of the MR data uploaded at the positions where all users are located in the direction angle in step S31 includes:
the acquired MR data comprises an MR longitude and latitude field and an MR signal strength rsrp field, the MR longitude and latitude field is used for calculating a fitting rsrp value, and the MR signal strength rsrp field is used as the actual rsrp value.
The MR longitude and latitude field is the position where the user reports the MR, is not influenced by other factors and has the characteristic of high accuracy; and the MR signal strength rsrp field is used to reflect the reference signal received power of the serving cell received by the UE. By this field, the signal strength of the user at the time of service use can be determined.
Namely rsrp mr The message from MR is automatically reported by all user terminals, is automatically acquired by a network management system, and is rsrp after accumulating for a certain time according to actual network experience mr The data may traverse all locations on the map.
More preferably, in an exemplary embodiment, the fitted rsrp value in step S31 is calculated by:
the base station transmitting power + base station antenna gain-bottom noise-path loss-penetration loss-human body loss-interference margin + mobile phone antenna gain-mobile phone noise coefficient.
The manner in which the 9 calculated values in the rsrp value are fitted is illustrated below:
preferably, in an exemplary embodiment, the base station transmit power is 10 LOG 10 (total base station power/total number of PRBs/12 × 1000). The PRB is a Physical RB (Physical resource block), and the PRB is the minimum allocation unit of the downlink resource and has the same size of 25 subcarriers, namely 375 kHz.
The antenna gain of the base station is set to a fixed value according to different types of equipment, and an antenna gain directional pattern is shown in fig. 5.
The floor is-174 +10lg (subcarrier spacing), which in a preferred exemplary embodiment is 30 k.
Preferably, in an exemplary embodiment, the path loss is divided into urban scene path loss and rural scene path loss; the urban scene path loss calculation mode comprises the following steps:
PL UMa-NLOS =max(PL UMa-LOS ,PL′ UMa-NLOS )
PL 1 =28.0+22log 10 (d 3D )+20log 10 (f c )
PL 2 =28.0+40log 10 (d 3D )+20log 10 (f c )-9log 10 ((d′ BP ) 2 +(h BS -h UT ) 2 )
PL′ UMa-NLOS =13.54+39.08log 10 (d 3D )+20log 10 (f c )-0.6(h UT -1.5)
wherein PL Uma-NLOS Representing path loss, PL, in non-line-of-sight scenarios for urban macrocells Uma-LOS Represents the path loss, PL ', in the line-of-sight scenario of a city macrocell' Uma-LOS Representing the path loss of the actual calculated urban macro cell under the non-line-of-sight scene;
as shown in FIG. 4, d 2D Is the planar distance, d ', of the user position from the base station cell' BP Representing that the value of the boundary Point Distance (Break Point Distance) is 4h' BS *h' UT *f c /c,h' BS =h BS –h E ,h' UT =h UT –h E ,h BS Indicates the base station antenna height, h UT Indicates the height of the user, h E 0.8m to 1.2m (preferably 1m), f c Is the center frequency of the base station frequency point, c is 3.0 × 10 8 m/s,d 3D The specific calculation formula is the 3D distance between the point and the base station cell antenna:
the rural scene path loss calculation mode comprises the following steps:
at d 2D Within 10m to 5km, using PL RMa-NLOS As PL path loss, when d 2D When greater than 5km, PL is used RMa-LOS As PL path loss, where:
PL RMa-NLOS =max(PL RMa-LOS ,PL′ RMa-NLOS )
PL′ RMa-NLOS =161.04-7.1log 10 (W)+7.5log 10 (h)-(24.37-3.7(h/h BS ) 2 )log 10 (h BS )+(43.42-3.1log 10 (h BS ))(log 10 (d 3D )-3)+20log 10 (f c )-(3.2(log 10 (11.75h UT )) 2 -4.97)
PL 1 =20log 10 (40πd 3D f c /3)+min(0.03h 1.72 ,10)log 10 (d 3D )-min(0.044h 1.72 ,14.77)+0.002log 10 (h)d 3D
PL 2 =PL 1 (d BP )+40log 10 (d 3D /d BP )
wherein PL Rma-NLOS Represents the path loss, PL, of a rural macrocellular in a non-line-of-sight scenario Rma-LOS Represents the path loss, PL ', in the line-of-sight scenario of a city macrocell' Rma-LOS Representing the path loss of the actually calculated rural macro-cell under the non-line-of-sight scene;
w denotes street width, h denotes average building height, d BP =2πh BS h UT f c /c。
Preferably, in an exemplary embodiment, the penetration loss is a loss of penetration of electromagnetic waves of different frequencies on different scene paths.
Specifically, the empirical values are as follows:
frequency band (GHz) | 0.8 | 1.8 | 2.1 | 2.6 | 3.5 | 4.5 |
Dense urban area | 18 | 21 | 22 | 23 | 26 | 28 |
Urban area | 14 | 17 | 18 | 19 | 22 | 24 |
|
10 | 13 | 14 | 15 | 18 | 20 |
Rural area | 7 | 10 | 11 | 12 | 15 | 17 |
Preferably, in an exemplary embodiment, the human body loss, the mobile phone antenna gain and the mobile phone noise coefficient are all fixed values; the interference margin sub-scenes are set to different values.
Wherein, the human body loss is a fixed value, and 0 is taken out under the condition of 3.5G; the gain of the mobile phone antenna is 8 db generally; the mobile phone noise coefficient 9 is a fixed value of 7 db;
the interference margin scenes are different from each other, for example: when outdoor scene is covered, the dense urban area is 17db, the urban area is 15db, the suburban area is 13db, and the rural area is 10 db; when the scene is outdoor and indoor, the dense urban area is 7db, the urban area is 6db, the suburban area is 4db, and the rural area is 2 db.
In addition, the direction angle calculated by the present invention can better help to present the coverage direction and the real coverage situation of the cell on the GIS map, that is, as shown in fig. 2 and fig. 3.
Yet another exemplary embodiment of the present invention provides a storage medium having stored thereon computer instructions which, when executed, perform the steps of the method for correcting a base station direction angle based on grid RSRP data.
Yet another exemplary embodiment of the present invention provides an apparatus, comprising a memory and a processor, the memory having stored thereon computer instructions executable on the processor, the processor executing the computer instructions to perform the steps of the method for base station direction angle correction based on grid RSRP data.
Based on such understanding, the technical solutions of the present embodiments may be essentially implemented or make a contribution to the prior art, or may be implemented in the form of a software product stored in a storage medium and including several instructions for causing an apparatus to execute all or part of the steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It is to be understood that the above-described embodiments are illustrative only and not restrictive of the broad invention, and that various other modifications and changes in light thereof will be suggested to persons skilled in the art based upon the above teachings. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (10)
1. A base station direction angle correction method based on raster RSRP data is characterized by comprising the following steps: the method comprises the following steps:
setting the size, the calculation radius and the initial position of a lobe angle of a direction angle and the angle movement degree of the direction angle by taking the position of a base station as the origin of the direction angle;
moving the direction angles according to the angle movement degrees, and calculating the fitting degree of each direction angle;
taking the direction angle with the highest fitting degree as the direction angle of the base station;
the calculating the fitting degree of each direction angle comprises the following steps:
calculating actual rsrp values of the MR data uploaded at all user positions in the direction angle, and calculating through a coverage model to obtain corresponding fitted rsrp values;
if the actual rsrp value and the fitted rsrp value are within a certain error range, the fitting degree is increased;
wherein rsrp mr The MR messages are automatically reported by all user terminals and automatically acquired by a network management system; in the actual calculation process, the area in the sector direction angle is drawn as a grid with a certain area, and the rsrp in the same grid mr Taking arithmetic mean, and ensuring rsrp in each grid after accumulating for a certain time mr Data is obtained; rsrp mr I.e., the actual rsrp value;
the initial value of the fitting degree is 0, and the increasing fitting degree is 1 per time; or: the initial value of the fitness is 0, and the increasing fitness is an increase in a proportion of 1 according to the actual error proportion, namely: if rsrp mr =rsrp Fitting The degree of fitting is increased by 1; if rsrp mr =X*rsrp Fitting Or X < rsrp mr =rsrp Fitting If X is less than 1 and more than 0.9, the fitting degree is correspondingly increased by X, otherwise, the fitting degree is not increased; rsrp Fitting I.e., fitting the rsrp value.
2. The method of claim 1, wherein the method comprises: the lobe angle is 65 degrees, the calculation radius is 1km, and the angle movement degree is 5 degrees.
3. The method of claim 1, wherein the method comprises: the calculation mode of the fitted rsrp value is as follows:
the base station transmitting power + base station antenna gain-bottom noise-path loss-penetration loss-human body loss-interference margin + mobile phone antenna gain-mobile phone noise coefficient.
4. The method of claim 3, wherein the method comprises: the base station transmitting power is 10 LOG 10 (total base station power/total number of PRBs/12 × 1000); the gain of the base station antenna is set to be a fixed value according to different equipment models; the floor noise is-174 +10lg (subcarrier spacing).
5. The method of claim 3, wherein the method comprises: the path loss is divided into urban scene path loss and rural scene path loss; the urban scene path loss calculation mode comprises the following steps:
PL UMa-NLOS =max(PL UMa-LOS ,PL′ UMa-NLOS )
PL 1 =28.0+22log 10 (d 3D )+20log 10 (f c )
PL 2 =28.0+40log 10 (d 3D )+20log 10 (f c )-9log 10 ((d′ BP ) 2 +(h BS -h UT ) 2 )
PL′ UMa-NLOS =13.54+39.08log 10 (d 3D )+20log 10 (f c )-0.6(h UT -1.5)
wherein PL Uma-NLOS Representing path loss, PL, in non-line-of-sight scenarios for urban macrocells Uma-LOS Represents the path loss, PL ', in the line-of-sight scenario of a city macrocell' Uma-LOS Representing the path loss of the actual calculated urban macro cell under the non-line-of-sight scene;
d 2D is the planar distance, d ', of the user position from the base station cell' BP Representing that the distance value of the boundary point is 4h' BS *h' UT *f c /c,h' BS =h BS –h E ,h' UT =h UT –h E ,h BS Indicates the base station antenna height, h UT Indicates the height of the user, h E Is 0.8m-1.2m, f c Is the center frequency of the base station frequency point, c is 3.0 × 10 8 m/s,d 3D The specific calculation formula is the 3D distance between the point and the base station cell antenna:
the rural scene path loss calculation mode comprises the following steps:
at d 2D Within 10m to 5km, using PL RMa-NLOS As PL path loss, when d 2D When greater than 5km, PL is used RMa-LOS As PL path loss, where:
PL RMa-NLOS =max(PL RMa-LOS ,PL′ RMa-NLOS )
PL′ RMa-NLOS =161.04-7.1log 10 (W)+7.5log 10 (h)
-(24.37-3.7(h/h BS ) 2 )log 10 (h BS )
+(43.42-3.1log 10 (h BS ))(log 10 (d 3D )-3)
+20log 10 (f c )-(3.2(log 10 (11.75h UT )) 2 -4.97)
PL 1 =20log 10 (40πd 3D f c /3)+min(0.03h 1.72 ,10)log 10 (d 3D )
-min(0.044h 1.72 ,14.77)+0.002log 10 (h)d 3D
PL 2 =PL 1 (d BP )+40log 10 (d 3D /d BP )
wherein PL Rma-NLOS Represents the path loss, PL, of a rural macrocellular in a non-line-of-sight scenario Rma-LOS Representing path loss, PL ', in line-of-sight scenario of a metro macrocell' Rma-LOS Representing the path loss of the actually calculated rural macro-cell under the non-line-of-sight scene;
w denotes street width, h denotes average building height, d BP =2πh BS h UT f c /c。
6. The method of claim 3, wherein the method comprises: the penetration loss is the loss of electromagnetic waves with different frequencies penetrating on different scene paths, wherein the different scenes comprise dense urban areas, suburban areas and rural areas.
7. The method of claim 3, wherein the method comprises: the human body loss, the mobile phone antenna gain and the mobile phone noise coefficient are fixed values; the interference allowance is set to different values in different scenes, and when the outdoor scene is covered outdoors, the dense urban area is 17db, the urban area is 15db, the suburban area is 13db, and the rural area is 10 db; when the scene is outdoor and indoor, the dense urban area is 7db, the urban area is 6db, the suburban area is 4db, and the rural area is 2 db.
8. The method of claim 1, wherein the method comprises: the calculating of the actual rsrp values of the uploaded MR data at the positions of all the users in the direction angle includes:
the acquired MR data comprises an MR longitude and latitude field and an MR signal strength rsrp field, the MR longitude and latitude field is used for calculating a fitting rsrp value, and the MR signal strength rsrp field is used as the actual rsrp value.
9. A storage medium having stored thereon computer instructions, characterized in that: the computer instructions when executed perform the steps of the method for correcting direction angle of a base station based on grid RSRP data according to any of claims 1 to 8.
10. An apparatus comprising a memory and a processor, the memory having stored thereon computer instructions executable on the processor, wherein the processor when executing the computer instructions performs the steps of the method for base station direction angle correction based on raster RSRP data according to any of claims 1 to 8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210879479.5A CN115052303A (en) | 2021-04-25 | 2021-04-25 | Base station direction angle deviation rectifying method, storage medium and device based on grid RSRP data |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210879479.5A CN115052303A (en) | 2021-04-25 | 2021-04-25 | Base station direction angle deviation rectifying method, storage medium and device based on grid RSRP data |
CN202110449578.5A CN113133034B (en) | 2021-04-25 | 2021-04-25 | Base station direction angle deviation rectifying method based on user MR, storage medium and device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110449578.5A Division CN113133034B (en) | 2021-04-25 | 2021-04-25 | Base station direction angle deviation rectifying method based on user MR, storage medium and device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115052303A true CN115052303A (en) | 2022-09-13 |
Family
ID=76779752
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210879479.5A Pending CN115052303A (en) | 2021-04-25 | 2021-04-25 | Base station direction angle deviation rectifying method, storage medium and device based on grid RSRP data |
CN202110449578.5A Active CN113133034B (en) | 2021-04-25 | 2021-04-25 | Base station direction angle deviation rectifying method based on user MR, storage medium and device |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110449578.5A Active CN113133034B (en) | 2021-04-25 | 2021-04-25 | Base station direction angle deviation rectifying method based on user MR, storage medium and device |
Country Status (1)
Country | Link |
---|---|
CN (2) | CN115052303A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116528273A (en) * | 2023-06-30 | 2023-08-01 | 中国电信股份有限公司 | Received power calculation method and device, storage medium and electronic equipment |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101772176B (en) * | 2008-12-30 | 2012-05-02 | 电信科学技术研究院 | Interference coordination method and access network equipment |
CN102340806B (en) * | 2010-07-20 | 2015-12-02 | 电信科学技术研究院 | A kind of method and apparatus determining antenna directional angle |
CN102539838B (en) * | 2011-12-28 | 2014-05-14 | 北京达顺威尔科技有限公司 | Automatic compensation method based on angular speed meter of mobile satellite antenna |
CN103686758B (en) * | 2012-09-21 | 2017-04-12 | 电信科学技术研究院 | A method and a system for determining the downward inclination angles of antennas |
CN102970065B (en) * | 2012-12-06 | 2016-03-09 | 大连凌波微联科技有限公司 | A kind of method and apparatus controlling wireless communication range |
WO2015012900A1 (en) * | 2013-07-26 | 2015-01-29 | Intel IP Corporation | Signaling interference information for user equipment assistance |
CN103686767B (en) * | 2013-12-12 | 2017-10-17 | 上海大唐移动通信设备有限公司 | A kind of Downtilt method of adjustment and device based on LTE network |
CN104754593B (en) * | 2013-12-27 | 2019-03-15 | 中国移动通信集团广东有限公司 | A kind of method of adjustment of antenna directional angle, apparatus and system |
US9769689B2 (en) * | 2014-12-09 | 2017-09-19 | Futurewei Technologies, Inc. | Method and apparatus for optimizing cell specific antenna configuration parameters |
CN106559118B (en) * | 2015-09-24 | 2020-03-20 | 中国电信股份有限公司 | Method and device for estimating azimuth angle of user terminal under large-scale antenna |
CN105491586B (en) * | 2015-12-08 | 2019-05-03 | 广东海格怡创科技有限公司 | Cell-site antenna orientation angles measurement method and system |
CN106982453B (en) * | 2017-03-24 | 2019-12-31 | 润建通信股份有限公司 | Cell azimuth evaluation system and method based on measurement data |
CN106993299B (en) * | 2017-05-10 | 2019-12-10 | 中国联合网络通信集团有限公司 | Method and device for positioning optimal direction angle of antenna |
CN109963300B (en) * | 2017-12-22 | 2022-08-23 | 中国移动通信集团浙江有限公司 | Method and device for determining azimuth angle, electronic equipment and storage medium |
CN109963287B (en) * | 2017-12-26 | 2022-04-01 | 中国移动通信集团湖北有限公司 | Antenna direction angle optimization method, device, equipment and medium |
CN108366384A (en) * | 2017-12-30 | 2018-08-03 | 广东南方通信建设有限公司 | A kind of antenna for base station exploration method, moveable electronic equipment and moveable storage medium |
CN108307309A (en) * | 2018-01-31 | 2018-07-20 | 重庆邮电大学 | A kind of location of mobile users computational methods based on neighbor base station RSRP information |
US11206074B2 (en) * | 2018-12-06 | 2021-12-21 | Qualcomm Incorporated | Determining sub-dominant clusters in a millimeter wave channel |
CN109639378B (en) * | 2019-01-29 | 2021-06-01 | 南京信息工程大学 | Rectangular tunnel wireless propagation channel modeling method |
CN110312281B (en) * | 2019-04-29 | 2022-09-27 | 中国联合网络通信集团有限公司 | Method and device for calculating downlink throughput of communication cell |
CN112243249B (en) * | 2019-07-19 | 2022-05-20 | 大唐移动通信设备有限公司 | LTE new access anchor point cell parameter configuration method and device under 5G NSA networking |
CN110430578B (en) * | 2019-08-12 | 2022-04-19 | 桔帧科技(江苏)有限公司 | Method for realizing cell azimuth prediction based on mobile terminal data |
CN111741493B (en) * | 2020-08-19 | 2020-11-24 | 南京华苏科技有限公司 | Azimuth angle correction method and device based on AOA and MDT |
CN112333754B (en) * | 2020-11-27 | 2023-05-26 | 中国联合网络通信集团有限公司 | Method and device for estimating number of accessible users |
-
2021
- 2021-04-25 CN CN202210879479.5A patent/CN115052303A/en active Pending
- 2021-04-25 CN CN202110449578.5A patent/CN113133034B/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116528273A (en) * | 2023-06-30 | 2023-08-01 | 中国电信股份有限公司 | Received power calculation method and device, storage medium and electronic equipment |
CN116528273B (en) * | 2023-06-30 | 2023-10-31 | 中国电信股份有限公司 | Received power calculation method and device, storage medium and electronic equipment |
Also Published As
Publication number | Publication date |
---|---|
CN113133034B (en) | 2022-07-08 |
CN113133034A (en) | 2021-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110831019B (en) | Base station planning method, base station planning device, computer equipment and storage medium | |
CN107846688B (en) | Wireless network site planning method and device based on multiple operators | |
EP2145496B1 (en) | Adaptive polygon computation in adaptive enhanced cell identity positioning | |
US20160353450A1 (en) | Methods and apparatus for enabling proximity services in mobile networks | |
EP3756376B1 (en) | Determination of fifth generation millimeter wave customer premises equipment antenna location for fixed wireless access systems | |
CN110149689B (en) | Power control method and device | |
EP2990830B1 (en) | Method and device for indoor positioning | |
Hamid et al. | Coverage and capacity analysis of LTE radio network planning considering Dhaka city | |
CN109428657B (en) | Positioning method and device | |
US20120003979A1 (en) | Radio wave state measurement system, radio wave state measurement method, and storage medium storing radio wave state measurement program | |
CN108260202A (en) | A kind of localization method and device of measurement report sampled point | |
CN103856947A (en) | Channel selection-power control combined interference coordination method | |
CN108271180B (en) | Parameter checking method and device | |
CN109936849B (en) | Method and device for positioning outdoor community leakage | |
CN113133034B (en) | Base station direction angle deviation rectifying method based on user MR, storage medium and device | |
CN106358207A (en) | High altitude platform coverage prediction method | |
CN107438251A (en) | A kind of method and apparatus distinguished for indoor and outdoor user | |
CN114423016B (en) | Method and device for determining planning parameters of base station | |
CN104853425A (en) | A power control method for heterogeneous network uplink | |
CN105338547B (en) | Pci signal optimization method and system in LTE network based on antenna power | |
Kuboniwa et al. | A novel cell selection scheme using positioning information for heterogeneous wireless system | |
CN113938915A (en) | Communication method and device | |
CN106954256B (en) | indoor scene recognition method and device | |
JP2002077985A (en) | Method for evaluating cell coverage of cdma mobile communication system | |
CN111512662B (en) | Method, system and apparatus for identifying interfering aircraft user equipment within a communication system |
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 |