CN105357698B - UE user density distribution detection method and system - Google Patents
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Abstract
The invention provides a UE user density distribution detection method and a system, which are used for obtaining a measurement report of a cell site occupied by UE and the UE, calculating the distance between the UE and the cell site occupied by the UE, obtaining the longitude and the latitude of the cell site occupied by the UE, calculating the longitude and the latitude of the UE according to the longitude and the latitude of the cell site occupied by the UE, the measurement report of the cell site occupied by the UE and the distance between the UE and the cell site occupied by the UE, and obtaining a UE user density distribution detection result according to the longitude and the latitude of the UE. In the whole process, according to big data mining of measurement reports of cell sites occupied by the UE and the UE, and based on the distance between the UE and the cell sites occupied by the UE, the longitude and latitude of the UE and the geographical position information of the longitude and latitude of the cell occupied by the UE, the UE user density distribution detection result is obtained, and the UE user density distribution is simply and accurately detected.
Description
Technical Field
The present invention relates to the field of mobile communication technologies, and in particular, to a method and a system for detecting User density distribution of a UE (User Equipment).
Background
The LTE (Long Term Evolution) project is the Evolution of 3G, which improves and enhances the 3G air access technology, and adopts OFDM (Orthogonal Frequency Division Multiplexing) and MIMO (Multiple-Input Multiple-Output) as the only standards for wireless network Evolution. The peak rates of 100Mbit/s at the downlink and 50Mbit/s at the uplink can be provided under the 20MHz spectrum bandwidth. The performance of cell edge users is improved, the cell capacity is improved and the system delay is reduced.
A communication network adopting the LTE technology is called an LTE network, and with continuous deployment of the LTE network and gradual improvement of terminals, LTE users grow rapidly, and network quality and user perception face greater challenges.
The traditional method for detecting the distribution density of the UE users has the defects of time consumption, human consumption and labor consumption. Meanwhile, under the conditions of project acceptance, daily optimization and adjustment, wind and rain blowing, environmental change and the like, the detection result is inaccurate.
Disclosure of Invention
Therefore, it is necessary to provide a simple and accurate UE user density distribution detection method and system for solving the problem that the general UE user density distribution detection method is complicated and inaccurate.
A UE user density distribution detection method comprises the following steps:
acquiring a measurement report of a cell site occupied by UE and the UE;
calculating the distance between the UE and the cell site occupied by the UE according to the measurement report of the cell site occupied by the UE and the UE;
acquiring longitude and latitude of a cell site occupied by UE, and calculating the longitude and latitude of the UE according to the longitude and latitude of the cell site occupied by the UE, a measurement report of the cell site occupied by the UE and a distance between the cell site occupied by the UE and the UE;
and obtaining a UE user density distribution detection result according to the longitude and the latitude of the UE.
A UE user density distribution detection system, comprising:
an obtaining module, configured to obtain a measurement report of a cell site occupied by UE and the UE;
the distance calculation module is used for calculating the distance between the UE and the cell site occupied by the UE according to the measurement report of the cell site occupied by the UE and the UE;
the longitude and latitude calculation module is used for acquiring the longitude and latitude of a cell site occupied by the UE, and calculating the longitude and latitude of the UE according to the longitude and latitude of the cell site occupied by the UE, a measurement report of the cell site occupied by the UE and the distance between the cell site occupied by the UE and the UE;
and the detection module is used for obtaining the detection result of the user density distribution of the UE according to the longitude and the latitude of the UE.
The invention discloses a UE user density distribution detection method and a system, which are used for obtaining a measurement report of a cell site occupied by UE and UE, calculating the distance between the UE and the cell site occupied by the UE, obtaining the longitude and the latitude of the cell site occupied by the UE, calculating the longitude and the latitude of the UE according to the longitude and the latitude of the cell site occupied by the UE, the measurement report of the cell site occupied by the UE and the distance between the UE and the cell site occupied by the UE, and obtaining a UE user density distribution detection result according to the longitude and the latitude of the UE. In the whole process, according to big data mining of measurement reports of cell sites occupied by the UE and the UE, and based on the distance between the UE and the cell sites occupied by the UE, the longitude and latitude of the UE and the geographical position information of the longitude and latitude of the cell occupied by the UE, the UE user density distribution detection result is obtained, and the UE user density distribution is simply and accurately detected.
Drawings
FIG. 1 is a flowchart illustrating a UE user density distribution detection method according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a UE user density distribution detection system according to a first embodiment of the present invention.
Detailed Description
In order to explain the technical solution of the UE user density distribution detection method and system in detail, some terms of a part of LTE network will be explained below.
MR (Measurement Report) data is composed of information extracted from a periodic Measurement Report or an event Report triggering handover reported from UE to eNodeB (LTE base station), and these Measurement reports carry information related to uplink and downlink radio links, including reference signal received power, reference signal received quality, timing advance, eNodeB antenna arrival angle, eNodeB received interference power, and the like.
Ltesctadv (serving cell timing advance) reflects the signal propagation time from UE to serving cell, which is a main indicator reflecting the distance between UE and serving cell. The measurement data represents the original measurement value of the time advance obtained by the serving cell, and the unit of the measurement data accords with the dimension of time measurement. The measurement data can be used for analyzing the distribution situation of the terminal, judging the situations of coverage and coverage blind areas, optimizing cell parameters, and generating the distribution situation of the terminal by combining parameters such as reference signal receiving power, antenna arrival angle and the like. The value range of mr. ltesctadv is shown in table 1 below, where the 1 st column indicates the sample value actually reported by the northbound interface of the OMC-R (radio access network element management system), and the value type is integer.
Table 1 mr. ltesctadv value ranges
Ltescaoa, (eNodeB antenna arrival angle of serving cell), which reflects the reference azimuth of UE relative to the serving cell antenna, is a main index reflecting the position relationship between UE and serving base station. The measurement data represents the raw measurement of the received angle of arrival of the antenna of the serving cell in units consistent with the angle measurement dimension. The measurement data can be used for analyzing the direction distribution condition of the terminal relative to the service base station; and by combining parameters such as reference signal received power, time advance and the like, the position distribution of the terminal can be calculated and used for optimizing the cell coverage. The value range of mr. ltescaoa is shown in table 2 below, where the 1 st column indicates the sample value actually reported by the OMC-R northbound interface, and the value type is integer.
Table 2 mr. ltescaoa value ranges
Lte-sc rsrp (reference signal received power of a serving cell), which reflects the magnitude of the reference signal received power of the serving cell received by the UE, is a main index reflecting the coverage of the serving cell. The measurement data represents the original measurement value of the received serving cell reference signal power (i.e. the measurement value in the measurement report reported by Uu port), and the unit of the measurement data conforms to the power measurement dimension. The measurement data can be used for finding redundant cell adjacent cells and missed defined adjacent cells, optimizing the adjacent cell relation and optimizing the boundary of a tracking area; by combining with a GIS (Geographic Information System) or latitude and longitude Information, whether the cross-zone coverage condition exists or not, interference matrix generation and the like can be visually judged. The value range of mr. ltescrsrp is shown in table 3 below, where the 1 st column indicates the sample value actually reported by the OMC-R northbound interface, and the value type is integer.
Table 3 mr. ltescrsrp value ranges
Ltescrsrq (serving cell reference signal received quality), which reflects the serving cell reference signal received quality received by the UE, is one of the main indicators reflecting the serving cell coverage. The measurement data represents the original measurement value of the received reference signal reception quality of the TD-LTE serving cell (i.e. the measurement value in the measurement report reported by the Uu port). The data can be used for judging the receiving quality of the downlink reference signals of the base station and used for judging and analyzing the switching and reselection among cells. The value range of mr. ltescrsrq is shown in table 4 below, where the 1 st column indicates the sample value actually reported by the OMC-R northbound interface, and the value type is integer.
Table 4 mr. ltescrsrq value ranges
Lterncsrsrp (reference signal received power of cells with defined and undefined neighbor relations) reflects the magnitude of the received power of the reference signal of the neighboring cells with defined and undefined neighbor relations received by the UE in a certain serving cell, and is the main reference for deciding handover. The undefined adjacent cell is an adjacent cell which is not configured in the OMC-R adjacent cell configuration list. The measurement data represents the received original measurement values of the reference signal received power of the adjacent cells with the defined adjacent cell relation and the undefined adjacent cell relation of the TD-LTE (namely the measurement values in the measurement report reported by the Uu interface), the unit of the measurement data accords with the power measurement dimension, and the measurement data can be used for finding redundant adjacent cells of the TD-LTE cell and the adjacent cells which are not defined, switching optimization and the like. LtencRSRP ranges as
As shown in the table, the 1 st column indicates the sample value actually reported by the OMC-R northbound interface, and the value type is integer.
Table 5 mr. lterncprp value ranges
Lterncsrq (reference signal reception quality of cells with defined and undefined neighbor relations) reflects the reception quality of neighbor reference signals with defined and undefined neighbor relations received by a UE in a serving cell, and is one of the reference parameters for deciding handover. The undefined adjacent cell is an adjacent cell which is not configured in the OMC-R adjacent cell configuration list. The measurement data represents the received original measurement values of the adjacent cell reference signal reception quality (namely, the measurement values in the measurement report reported by the Uu port) of the defined adjacent cell relation and the undefined adjacent cell relation of the TD-LTE. The data can be used for judging the receiving quality of the downlink reference signals of the base station and used for judging and analyzing the switching and reselection among cells. The value range of mr. lterncsrq is shown in table 6 below, where the 1 st column indicates the sample value actually reported by the OMC-R northbound interface, and the value type is integer.
Table 6 mr. lterncq value ranges
As shown in fig. 1, a method for detecting UE user density distribution includes the steps of:
s100: and acquiring a measurement report of the UE and the cell site occupied by the UE.
In a mobile communication network, an area covered by a radio signal in mobile communication is referred to as a cell, and generally refers to a range that can be covered by a signal of one eNodeB (base station). One eNodeB serves a plurality of UEs in a cell, which is called a UE occupied cell (also called a serving cell), and a measurement report of UE and UE occupying a cell site refers to a measurement report between the UE and the eNodeB. Specifically, the measurement report includes information extracted from a periodic measurement report reported from the UE to the eNodeB or an event report triggering handover, where the measurement report carries related information of uplink and downlink radio links, including data such as reference signal received power, reference signal received quality, timing advance, eNodeB antenna arrival angle, eNodeB received interference power, and the like.
In one embodiment, the measurement report of the UE and the cell site occupied by the UE includes mr.ltescaoa, and optionally, the measurement report may further include mr.ltescrsrp, mr.ltescrsrq, mr.ltencncrsrp, mr.ltencncrsrq, and mr.ltesctadv.
S200: and calculating the distance between the UE and the cell site occupied by the UE according to the measurement report of the cell site occupied by the UE and the UE.
In one embodiment, the measurement report of the cell site occupied by the UE and the UE includes mr. ltesctadv, and step S200 specifically includes: mr. ltesctadv is obtained from a measurement report of a cell site occupied by the UE and the UE, and a distance between the cell site occupied by the UE and the UE is calculated. Specifically, the calculation formula is as follows:
where r is the distance between the UE and the cell site occupied by the UE, c is the speed of light, TsIs a period of one OFDM symbol of
τ is a weight corresponding to a sample value of the mr.ltesctadv actually reported by the OMC-R northbound interface, and is directly obtained from the measurement report, specifically, a formula corresponding to the τ weight and the mr.ltesctadv is τ 16 × N +8, N is an mr.ltesctadv number actually reported by the OMC-R northbound interface, and specific numerical values are shown in table 7 below.
Table 7 tau weight and mr. ltesctaddv corresponding values
S300: the longitude and the latitude of a cell site occupied by the UE are obtained, and the longitude and the latitude of the UE are calculated according to the longitude and the latitude of the cell site occupied by the UE, a measurement report of the cell site occupied by the UE and the distance between the cell site occupied by the UE and the UE.
The longitude and latitude of the site of the cell occupied by the UE can be obtained based on the information query of the communication operator, for example, if the base station is a china mobile base station, the relevant historical information of the base station construction can be obtained from china mobile companies, so as to accurately obtain the longitude and latitude. Specifically, the measurement report of the UE and the cell site occupied by the UE includes mr. ltescaoa, and the specific calculation formula in step S300 includes the following:
in the formula, Lon(UE)Is the longitude, Lat, of the UE(UE)Is the latitude, Lon, of the UE(eNodeB)Occupancy of cell longitude, Lat for UE(eNodeB)The latitude of the cell occupied by the UE, r is the distance between the UE and the cell site occupied by the UE,
AOA(MR)and actually reporting the sample value of the MR.LteScAOA for the OMC-R northbound interface.
S400: and obtaining a UE user density distribution detection result according to the longitude and the latitude of the UE.
The longitude and latitude of the UE can realize geographical positioning of all UE positions in a cell range, and a UE user density distribution detection result is obtained.
The UE user density distribution detection method of the invention obtains a measurement report of a cell site occupied by UE and UE, calculates the distance between the UE and the cell site occupied by the UE, obtains the longitude and the latitude of the cell site occupied by the UE, calculates the longitude and the latitude of the UE according to the longitude and the latitude of the cell site occupied by the UE, the measurement report of the cell site occupied by the UE and the distance between the cell site occupied by the UE and the UE, and obtains the UE user density distribution detection result according to the longitude and the latitude of the UE. In the whole process, according to big data mining of measurement reports of cell sites occupied by the UE and the UE, and based on the distance between the UE and the cell sites occupied by the UE, the longitude and latitude of the UE and the geographical position information of the longitude and latitude of the cell occupied by the UE, the UE user density distribution detection result is obtained, and the UE user density distribution is simply and accurately detected.
As shown in fig. 2, a UE user density distribution detection system includes:
an obtaining module 100, configured to obtain a measurement report of a cell site occupied by a UE and the UE;
a distance calculating module 200, configured to calculate a distance between the UE and a cell site occupied by the UE according to the measurement report of the cell site occupied by the UE and the UE;
a latitude and longitude calculation module 300, configured to obtain the latitude and longitude of a cell site occupied by the UE, and calculate the latitude and longitude of the UE according to the latitude and longitude of the cell site occupied by the UE, a measurement report of the cell site occupied by the UE and the UE, and a distance between the cell site occupied by the UE and the UE;
a detecting module 400, configured to obtain a UE user density distribution detection result according to the longitude and latitude of the UE.
The invention discloses a UE user density distribution detection system.A measuring report of a cell site occupied by UE and UE is obtained by an obtaining module 100, the distance between the UE and the cell site occupied by the UE is calculated by a distance calculating module 200, the longitude and latitude of the cell site occupied by the UE are obtained by a longitude and latitude calculating module 300, the longitude and latitude of the UE are calculated according to the longitude and latitude of the cell site occupied by the UE, the measuring report of the cell site occupied by the UE and the distance between the cell site occupied by the UE and the UE, and the longitude and latitude of the UE are calculated by the detecting module 400, and then the UE user density distribution detection result is obtained according to the longitude and latitude of the UE. In the whole process, according to big data mining of measurement reports of cell sites occupied by UE and UE, and based on the distance between the UE and the cell sites occupied by the UE, the longitude and latitude of the UE and the geographical position information of the longitude and latitude of the cell occupied by the UE, the UE user density distribution detection result is obtained, and the simple and accurate detection of the UE user density distribution is realized
In one embodiment, the measurement report of the UE and the cell site occupied by the UE includes mr.ltescaoa, mr.ltescrsrp, mr.ltescrsrq, mr.ltencncrsrp, mr.ltencncrsrq, and mr.ltesctaddv.
In one embodiment, the measurement report of the cell site occupied by the UE and the UE includes mr.ltesctadv, and the distance calculation module 200 is specifically configured to calculate the distance between the cell site occupied by the UE and the UE according to the mr.ltesctadv.
In one embodiment, the formula for calculating the distance between the UE and the cell site occupied by the UE by the distance calculation module 200 according to the measurement report of the cell site occupied by the UE and the UE is specifically:
where r is the distance between the UE and the cell site occupied by the UE, c is the speed of light, TsIs a period of one OFDM symbol of
τ is a weight corresponding to a sample value of the mr.ltesctadv actually reported by the OMC-R northbound interface, where τ is 16 × N +8, and N is the mr.ltesctadv number actually reported by the OMC-R northbound interface.
In one embodiment, the measurement report of the cell site occupied by the UE and the UE includes mr. ltescaoa, the longitude and latitude calculation module 300 obtains the longitude and latitude of the cell site occupied by the UE, and the formula for calculating the longitude and latitude of the UE according to the longitude and latitude of the cell site occupied by the UE, the measurement report of the cell site occupied by the UE and the UE, and the distance between the cell site occupied by the UE and the UE is specifically:
in the formula, Lon(UE)Is the longitude, Lat, of the UE(UE)Is the latitude, Lon, of the UE(eNodeB)Occupancy of cell longitude, Lat for UE(eNodeB)The latitude of the cell occupied by the UE, r is the distance between the UE and the cell site occupied by the UE,
AOA(MR)and actually reporting the sample value of the MR.LteScAOA for the OMC-R northbound interface.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A UE user density distribution detection method is based on an LTE network and is characterized by comprising the following steps:
acquiring a measurement report of a cell site occupied by UE (user equipment) and the UE, wherein the measurement report is a measurement report between the UE and an eNodeB;
calculating the distance between the UE and the cell site occupied by the UE according to the measurement report of the cell site occupied by the UE and the UE;
acquiring longitude and latitude of a cell site occupied by the UE, and calculating the longitude and latitude of the UE according to the longitude and latitude of the cell site occupied by the UE, a measurement report of the cell site occupied by the UE and a distance between the cell site occupied by the UE and the UE;
obtaining a UE user density distribution detection result according to the longitude and the latitude of the UE;
the measurement report of the cell site occupied by the UE and the UE includes mr. ltesctadv, and the step of calculating the distance between the cell site occupied by the UE and the UE according to the measurement report of the cell site occupied by the UE and the UE specifically includes:
calculating the distance between the UE and the cell site occupied by the UE according to the MR.LteScTadv;
the formula for calculating the distance between the UE and the cell site occupied by the UE according to the measurement report of the cell site occupied by the UE is specifically as follows:
where r is the distance between the UE and the cell site occupied by the UE, c is the speed of light, TsIs a period of one OFDM symbol of
τ is a weight corresponding to a sample value of the mr.ltesctadv actually reported by the OMC-R northbound interface, where τ is 16 × N +8, and N is the mr.ltesctadv number actually reported by the OMC-R northbound interface.
2. The UE user density distribution detection method according to claim 1, wherein the measurement report of the cell site occupied by the UE and the UE includes mr. ltescaoa, the obtaining of the longitude and latitude of the cell site occupied by the UE is performed, and a formula for calculating the longitude and latitude of the UE according to the longitude and latitude of the cell site occupied by the UE, the measurement report of the cell site occupied by the UE and the UE, and the distance between the cell site occupied by the UE and the UE is specifically:
in the formula, Lon(UE)Is the longitude, Lat, of the UE(UE)Is the latitude, Lon, of the UE(eNodeB)Occupancy of cell longitude, Lat for UE(eNodeB)The latitude of the cell occupied by the UE, r is the distance between the UE and the cell site occupied by the UE,
AOA(MR)and actually reporting the sample value of the MR.LteScAOA for the OMC-R northbound interface.
3. The method of claim 1, wherein the UE occupies a cell that serves the UE within a coverage area of a signal of an eNodeB.
4. The method of claim 1, wherein the measurement report comprises a reference signal received power, a reference signal received quality, a timing advance, an eNodeB antenna angle of arrival, and an eNodeB received interference power.
5. A UE user density distribution detection system, the system is based on LTE network, characterized by comprising:
an obtaining module, configured to obtain a measurement report of a cell site occupied by UE and the UE, where the measurement report is a measurement report between the UE and an eNodeB;
the distance calculation module is used for calculating the distance between the UE and the cell site occupied by the UE according to the measurement report of the cell site occupied by the UE and the UE;
the longitude and latitude calculation module is used for acquiring the longitude and latitude of a cell site occupied by the UE, and calculating the longitude and latitude of the UE according to the longitude and latitude of the cell site occupied by the UE, a measurement report of the cell site occupied by the UE and the distance between the cell site occupied by the UE and the UE;
the detection module is used for obtaining a detection result of the density distribution of the UE users according to the longitude and the latitude of the UE;
the measurement report of the UE and the cell site occupied by the UE includes mr. ltesctadv, and the distance calculation module is specifically configured to:
calculating the distance between the UE and the cell site occupied by the UE according to the MR.LteScTadv;
the distance calculation module calculates the distance between the UE and the cell site occupied by the UE according to the measurement report of the cell site occupied by the UE, and the formula is specifically as follows:
where r is the distance between the UE and the cell site occupied by the UE, c is the speed of light, TsIs a OPeriod of FDM symbol is
τ is a weight corresponding to a sample value of the mr.ltesctadv actually reported by the OMC-R northbound interface, where τ is 16 × N +8, and N is the mr.ltesctadv number actually reported by the OMC-R northbound interface.
6. The UE user density distribution detection system according to claim 5, wherein the measurement report of the UE and the UE occupying the cell site includes mr. ltescaoa, the longitude and latitude calculation module obtains the longitude and latitude of the UE occupying the cell site, and the formula for calculating the longitude and latitude of the UE is specifically:
in the formula, Lon(UE)Is the longitude, Lat, of the UE(UE)Is the latitude, Lon, of the UE(eNodeB)Occupancy of cell longitude, Lat for UE(eNodeB)The latitude of the cell occupied by the UE, r is the distance between the UE and the cell site occupied by the UE,
AOA(MR)and actually reporting the sample value of the MR.LteScAOA for the OMC-R northbound interface.
7. The system of claim 5, wherein the UE occupies a cell that serves the UE within a coverage area of a signal of the eNodeB.
8. The system of claim 5, wherein the measurement report comprises a reference signal received power, a reference signal received quality, a timing advance, an eNodeB antenna angle of arrival, and an eNodeB received interference power.
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