CN108260202A - A kind of localization method and device of measurement report sampled point - Google Patents

A kind of localization method and device of measurement report sampled point Download PDF

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Publication number
CN108260202A
CN108260202A CN201611229854.2A CN201611229854A CN108260202A CN 108260202 A CN108260202 A CN 108260202A CN 201611229854 A CN201611229854 A CN 201611229854A CN 108260202 A CN108260202 A CN 108260202A
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serving cell
sampled points
base station
sampled
distance
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CN201611229854.2A
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CN108260202B (en
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翟伟洪
刘杰明
黄沛江
邓兆斌
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中国移动通信集团广东有限公司
中国移动通信集团公司
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Priority claimed from CN201611229854.2A external-priority patent/CN108260202B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/08Testing, supervising or monitoring using real traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/10Scheduling measurement reports ; Arrangements for measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02Services making use of location information

Abstract

The present invention provides a kind of localization method and device of measurement report sampled point, the method includes:The corresponding radio transmission model of the covering scene of measurement report MR and serving cell reported according to terminal, MR sampled points corresponding to the terminal are classified;If the MR sampled points are outdoor sampled point, the Reference Signal Received Power of serving cell in the MR and the radio transmission model, the distance between the MR sampled points and base station are obtained, and the antenna angle of arrival AOA in the distance and the MR determines the location information of the MR sampled points.The present invention can realize the accurate positionin of the outdoor MR sampled points of macro station covering, to refine assessment network coverage situation.

Description

A kind of localization method and device of measurement report sampled point

Technical field

The present invention relates to wireless communication technology field more particularly to a kind of localization methods and dress of measurement report sampled point It puts.

Background technology

Compared to traditional DT/CQT (drive test/dial to measure and test), pass through the measurement report of acquisition terminal (Measurement Report, MR), and analyzed by mass data, the most sense of reality of the network user can be obtained, is obtained Network more comprehensively more objectively reflection.Currently for the application of LTE MR, it is most of be confined to show and statistics in terms of, be relatively biased to Comparison is changed before and after network performance monitoring and Network status, this part is mainly the MR statistics of a wide range of network element, does not need to discriminate The indoor and outdoor type that other MR is reported;Some are then directly using base in the method for user's positioning etc. for MR data applications The MR gathered datas stood there is no the indoor and outdoor type for distinguishing MR data, and position class and apply using Timing Advance (Timing Advance, TA) and antenna angle of arrival (Angle-of-Arrival, AOA) data, TA are that a siding-to-siding block length is The value of 78.12m, is used directly to the distance as sampled point and base station, and existing error is larger.

Currently for the analysis and application of LTE MR data, lack a kind of accurate macro station MR data sources of screening in indoor and outdoor Sorting technique, so as to influence positioning generate MR positional accuracy, lead to not be accurately positioned MR sampled points, can not refine and comment Estimate network coverage situation.

Invention content

In view of the drawbacks of the prior art, the present invention provides a kind of localization method and device of measurement report sampled point, energy It is enough to solve in the prior art directly to position MR sampled points using TA the and AOA data in measurement report, there are error compared with The problem of big.

In a first aspect, the present invention provides a kind of localization method of measurement report sampled point, the method includes:

The corresponding radio transmission model of the covering scene of measurement report MR and serving cell reported according to terminal, to described The corresponding MR sampled points of terminal are classified;

If the MR sampled points are outdoor sampled point, the Reference Signal Received Power of the serving cell in the MR and The radio transmission model obtains the distance between the MR sampled points and base station, and according in the distance and the MR Antenna angle of arrival AOA determines the location information of the MR sampled points.

Optionally, the method further includes:

If the MR sampled points are indoor sampled point, according to the MR sampled points and with the TA of the MR sampled points and The Reference Signal Received Power of the corresponding serving cell of sampled point identical AOA is obtained multiple using the radio transmission model The distance between sampled point and base station;

The average value of multiple distances is calculated after rejecting sampled point of the distance more than the TA, is adopted as the MR The distance between sampling point and base station, and the antenna angle of arrival in the distance between the MR sampled points and base station and the MR AOA determines the location information of the MR sampled points.

Optionally, the corresponding radio transmission of the covering scene of measurement report MR and serving cell reported according to terminal Model, MR sampled points corresponding to the terminal are classified, including:

The work ginseng of Timing Advance TA and serving cell in the measurement report MR reported according to terminal, using the service The corresponding radio transmission model of covering scene and reception rating formula of cell obtain the serving cell and correspond to connecing for TA Receive power;

According to the serving cell correspond to TA reception power and the MR in the reference signal of the serving cell connect Power is received, MR sampled points corresponding to the terminal are classified.

Optionally, the work of the Timing Advance TA in the measurement report MR reported according to terminal and serving cell is joined, It is small that the service is obtained using the corresponding radio transmission model of the covering scene of the serving cell and reception rating formula Area corresponds to the reception power of TA, including:

Joined according to the corresponding distances of the TA and the work of the serving cell, using formula one be calculated the base station with The path loss L of the terminal:

According to the path loss L of the terminal, the reception work(that the serving cell corresponds to TA is calculated using formula two Rate Pr:

Wherein, k1 be with frequency dependence constant, k2 is range attenuation constant, and k3 and k4 are mobile portable antennas height correction system Number, k5 and k6 are base station antenna height correction factor, and k7 is diffraction correction factor, and Kclutter is atural object attenuation correction coefficient;d For the distance between base station and mobile station, unit km;Effective heights of the Hms for mobile portable antennas, unit m;Heff is base station day The effective height of line, unit m;Pt is the transmission power of antenna for base station, and unit dBm, Gr are the gain of reception antenna, and unit is dB;For the power density of receiving point and the ratio of average power density, unit dB, θ andIt is receiving point with base Station antenna is the coordinate in the spherical coordinate system of the centre of sphere.

Optionally, the serving cell received in power and the MR that TA is corresponded to according to the serving cell Reference Signal Received Power, MR sampled points corresponding to the terminal are classified, including:

If the Reference Signal Received Power of the serving cell in the MR corresponds to connecing for TA more than the serving cell Receive power, and the reception work(of the Reference Signal Received Power TA corresponding with the serving cell of the serving cell in the MR The corresponding level difference value of rate is more than or equal to the first predetermined threshold value, then judges the MR sampled points for outdoor sampled point;

If the Reference Signal Received Power of the serving cell in the MR corresponds to connecing for TA less than the serving cell Power is received, and the serving cell corresponds to the reference signal reception work(for receiving power and the serving cell in the MR of TA The corresponding level difference value of rate is more than the first predetermined threshold value, then judges the MR sampled points for indoor sampled point.

Optionally, the Reference Signal Received Power of the serving cell in the MR and the radio transmission mould Type obtains the distance between the MR sampled points and base station, including:

The Reference Signal Received Power of serving cell in the MR and reception rating formula, obtain the base The path loss stood between the MR sampled points;

According to the path loss and the radio transmission model, the distance between the MR sampled points and base station are obtained.

Second aspect, the present invention provides a kind of positioning device of measurement report sampled point, described device includes:

Sampled point taxon, it is corresponding for the measurement report MR and the covering scene of serving cell that are reported according to terminal Radio transmission model, MR sampled points corresponding to the terminal are classified;

First sampled point positioning unit, if being outdoor sampled point for the MR sampled points, according to the service in the MR The Reference Signal Received Power of cell and the radio transmission model obtain the distance between the MR sampled points and base station, and Antenna angle of arrival AOA in the distance and the MR determines the location information of the MR sampled points.

Optionally, described device further includes:Second sampled point positioning unit, is used for:

If the MR sampled points are indoor sampled point, according to the MR sampled points and with the TA of the MR sampled points and The Reference Signal Received Power of the corresponding serving cell of sampled point identical AOA is obtained multiple using the radio transmission model The distance between sampled point and base station;

The average value of multiple distances is calculated after rejecting sampled point of the distance more than the TA, is adopted as the MR The distance between sampling point and base station, and the antenna angle of arrival in the distance between the MR sampled points and base station and the MR AOA determines the location information of the MR sampled points.

Optionally, the sampled point taxon, is specifically used for:

The work ginseng of Timing Advance TA and serving cell in the measurement report MR reported according to terminal, using the service The corresponding radio transmission model of covering scene and reception rating formula of cell obtain the serving cell and correspond to connecing for TA Receive power;

According to the serving cell correspond to TA reception power and the MR in the reference signal of the serving cell connect Power is received, MR sampled points corresponding to the terminal are classified.

Optionally, the first sampled point positioning unit, is specifically used for:

The Reference Signal Received Power of serving cell in the MR and reception rating formula, obtain the base The path loss stood between the MR sampled points;

According to the path loss and the radio transmission model, the distance between the MR sampled points and base station are obtained.

As shown from the above technical solution, the present invention provides a kind of localization method and device of measurement report sampled point, passes through The reference signal receives frequency of combining wireless propagation model and the serving cell in MR data realizes the MR samplings to LTE macro stations The examination of the indoor and outdoor type of point, and for outdoor sampled point therein, by radio transmission model calculate MR sampled points with The distance of base station with reference to the AOA information in MR data, realizes the accurate positionin to MR sampled points.In this way, realizing macro station covering On the basis of the accurate positionin of outdoor MR sampled points, the outdoor of section and the whole network and interior MR covering distributions, energy can be realized The position of weak covering problem point is enough positioned, effective reference is provided to mend point or planning, can also realize the positioning of traffic hot spot, Data supporting is provided for operations such as dilatations.

Description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with Other attached drawings are obtained according to these figures.

Fig. 1 is a kind of flow diagram of the localization method for measurement report sampled point that one embodiment of the invention provides;

Fig. 2 is a kind of flow diagram of the localization method for measurement report sampled point that another embodiment of the present invention provides;

Fig. 3 is a kind of structure diagram of the positioning device for measurement report sampled point that one embodiment of the invention provides;

Fig. 4 is a kind of structure diagram of the positioning device for measurement report sampled point that another embodiment of the present invention provides;

Fig. 5 is the structure diagram for a kind of electronic equipment that one embodiment of the invention provides.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment shall fall within the protection scope of the present invention.

Fig. 1 is a kind of flow diagram of the localization method of measurement report sampled point in one embodiment of the invention, such as Fig. 1 Shown, described method includes following steps:

S1:The corresponding radio transmission model of the covering scene of measurement report MR and serving cell reported according to terminal, it is right The corresponding MR sampled points of the terminal are classified.

Wherein, the information of the measurement report MR acquisitions includes:Base Station Identification, serving cell mark, Timing Advance TA And Reference Signal Received Power RSRP etc..

Specifically, the work of the TA in MR and corresponding serving cell ginseng (effective height including antenna for base station etc.), Path loss calculation is carried out, and then can according to path loss using the corresponding radio transmission model of the covering scene of the serving cell The serving cell is calculated and corresponds to reception power P RSRP under TA, and reads the reference letter of the serving cell in MR simultaneously Number receive power ScRSRP.So as to the difference according to PRSRP and ScRSRP, classify to MR sampled points.

Understandably, for indoor uncovered situation, due to propagation loss, the signal level in MR data can generally compare It is low with the level of the outdoor scene under TA.Then specifically, if ScRSRP is more than PRSRP, and the difference of ScRSRP-PRSRP During more than or equal to the first predetermined threshold value, judge the MR sampled points for outdoor sampled point;If ScRSRP is less than PRSRP, and PRSRP- When the difference of ScRSRP is more than the first predetermined threshold value, judge the MR sampled points for indoor sampled point.

S2:If the MR sampled points are outdoor sampled point, the reference signal of the serving cell in the MR receives work( Rate and the radio transmission model obtain the distance between the MR sampled points and base station, and according to the distance and the MR In antenna angle of arrival AOA determine the location informations of the MR sampled points.

Specifically, when MR sampled points are outdoor sampled point, the reference signal of the serving cell in information is acquired according to MR Power is received, with reference to the corresponding radio transmission model of covering scene of serving cell and the formula of reception power, can be calculated Distance d between the MR sampled points and base station.It can determine that the MR sampled points using the serving cell longitude and latitude as the center of circle, radius at this time On the circumference of d, to acquire the AOA information in information in conjunction with MR, you can determine side of the MR sampled points relative to serving cell Parallactic angle, so as to obtain the practical latitude and longitude information of MR sampled points.

It can be seen that the present embodiment receives frequency by the reference signal of the serving cell in radio transmission model and MR data Rate realizes the examination of the indoor and outdoor type to the MR sampled points of LTE macro stations, and for outdoor sampled point therein, by wireless Propagation model calculates the distance of MR sampled points and base station, with reference to the AOA information in MR data, realizes to the accurate of MR sampled points Positioning.In this way, on the basis of the accurate positionin for realizing the outdoor MR sampled points of macro station covering, section and the whole network can be realized Outdoor and interior MR covering distributions can position the position of weak covering problem point, and effective reference is provided to mend point or planning, It can realize the positioning of traffic hot spot, data supporting is provided for operations such as dilatations.

In an alternate embodiment of the present invention where, as shown in Fig. 2, the method further includes following steps:

S3:If the MR sampled points are indoor sampled point, the TA according to the MR sampled points and with the MR sampled points And the Reference Signal Received Power of the identical corresponding serving cells of sampled point of AOA, it is obtained using the radio transmission model more The distance between a sampled point and base station;The flat of multiple distances is calculated after rejecting sampled point of the distance more than the TA Mean value, as the distance between the MR sampled points and base station, and according to the distance between the MR sampled points and base station and institute State the location information that the AOA in MR determines the MR sampled points.

Specifically, when MR sampled points are indoor sampled point, obtain under same cell with TA the and AOA all sames of MR sampled points One or more sampled points correspond to the Reference Signal Received Power of the serving cell in MR, according to the corresponding clothes of MR sampled points The Reference Signal Received Power for cell of being engaged in and the reference signal of the corresponding serving cell of one or more of sampled points receive work( With reference to the corresponding radio transmission model of covering scene of serving cell and the formula of reception power, sampled point can be calculated in rate The distance between base station d.Further reject wherein d>After the sampled point of TA, calculate the average value d ' of d, as MR sampled points with The distance of base station, and combine the practical latitude and longitude information that AOA obtains MR sampled points.

It can be seen that further being positioned in the present embodiment to indoor sampled point, one or more is chosen to be adopted with MR The sampled point of the TA and AOA all sames of sampling point, and reject d>The sampled point of TA so that the positioning of indoor sampled point is more accurate.

Understandably, before above-mentioned steps S1, the method further includes following steps:

A01, with reference to existing web site and actual environment, establish antenna three-dimensional chart database.

In view of existing web site antenna type difference, join with reference to each antenna in cell work, 3 D electromagnetic is used in the present embodiment Simulation software Absoft HFSS and beam shaping optimization software AWR Environment emulate existing net antenna for base station, build Vertical antenna three-dimensional chart database.The parameter being directed to is as follows:

1 pattern data library variable of table

Normalization main polarization component Co can be calculated to obtain by substituting into formula (1) and formula (2) using the data of 3 D electromagnetic emulation With normalization cross polar component Cx.

Co=0.707* (rEPhi+rETheta)/max (rETotal) (1)

Cx=0.707* (rEPhi-rETheta)/max (rETotal) (2)

The Co being calculated and Cx is substituted into formula (3) to calculateThat is space spherical coordinatesPower The ratio of density and average power density, Gain is the antenna gain that emulation obtains in formula (3).

A02, for different website covering scenes, determine the corresponding radio transmission model formula of different covering scenes.

For path loss L (dB), the present embodiment is using villages within the city, shopping centre, general residential block, brown stone district, work The general propagation model formula of 6 scenes such as plant area, natural village is calculated, as shown in following formula (4):

Wherein, k1 be with frequency dependence constant, k2 is range attenuation constant, and k3 and k4 are mobile portable antennas height correction system Number, k5 and k6 are base station antenna height correction factor, and k7 is diffraction correction factor, and Kclutter is atural object attenuation correction coefficient, d For the distance between base station and mobile station (unit km), Hms is that (unit m), Heff are base station for the effective height of mobile portable antennas Effective height (the unit m) of antenna.

With reference to power P r calculation formula (5) are received, the reception power of ground (horizontal plane) interior each point is calculated.WhereinFor the power density of receiving point and the ratio of average power density, calculated in step A01.θ andFor Receiving point is using antenna for base station as the coordinate in the spherical coordinate system of the centre of sphere.Pt is the transmission power of antenna for base station, and Gr is receives day The gain of line (terminal antenna), path losses of the L between antenna for base station and reception antenna.

Utilize a large amount of of 6 scenes such as villages within the city, shopping centre, general residential block, brown stone district, factory district, natural village Frequency sweep and drive test (DT) data carry out calibration correction to formula (4), obtain the corresponding radio transmission mould of each scene of each frequency range Type parameters of formula, partial parameters are as shown in the following table 2 and table 3.

2 general propagation model parameter (1900MHz) of table

Villages within the city Shopping centre Brown stone district General residential block Industrial area Natural village k1 160.32 157.13 144.65 134.58 129.70 124.63 k2 45.90 44.75 42.45 43.51 40.32 39.84 k3 0 0 0 0 0 0 k4 0 0 0 0 0 0 k5 14.13 14.13 14.13 14.13 14.13 14.13 k6 -7.47 -7.47 -7.47 -7.47 -7.47 -7.47 k7 0 0 0 0 0 0 Kclutter 0 -2 -6 -15 -17 -20

3 general propagation model parameter (2600MHz) of table

Villages within the city Shopping centre Brown stone district General residential block Industrial area Natural village k1 164.21 162.63 148.58 140.33 133.24 128.30 k2 46.70 45.90 43.74 44.32 42.59 41.48 k3 0 0 0 0 0 0 k4 0 0 0 0 0 0 k5 14.13 14.13 14.13 14.13 14.13 14.13 k6 -7.47 -7.47 -7.47 -7.47 -7.47 -7.47 k7 0 0 0 0 0 0 Kclutter 0 -2 -8 -17 -20 -22

While propagation model under obtaining each scene, existing net cell is subjected to scene classification, is made with being adapted to different community Path loss calculation is carried out with different radio transmission models.

It should be noted that the partial parameters in above-described embodiment are described as follows:

1. Reference Signal Received Power (MR.LteScRSRP)

Reflection UE receives the Reference Signal Received Power size of serving cell, is to reflect referring mainly to for serving cell covering Mark.This measurement data represents original measurement value (the i.e. Uu mouthfuls of survey reported of the TD-LTE serving cell reference signal powers received Measured value in amount report), unit meets power measurement dimension.Value range is as shown in table 4, wherein the 1st row represent OMC-R The practical sample value reported of northbound interface, value type are integer.

4 LteScRSRP value ranges of table

OMC-R northbound interfaces report value Value is reported as defined in 3GPP Measurement data section is distributed (unit dBm) 0 RSRP_00 RSRP<-140 1 RSRP_01 -140≤RSRP<-139 2 RSRP_02 -139≤RSRP<-138 95 RSRP_95 -46≤RSRP<-45 96 RSRP_96 -45≤RSRP<-44 97 RSRP_97 -44≤RSRP

2. Timing Advance (MR.LteScTadv)

Reflect that UE is to reflect UE and the leading indicator of serving BS distance to the signal propagation time of serving BS.This survey Amount data represent the original measurement value of Timing Advance that TD-LTE serving cells obtain, and unit meets time measurement dimension. The corresponding time advance distances of 1Ts are equal to (3*10^8*1/15000*2048)/2=4.89m, and meaning is exactly distance=propagation speed (light velocity) * 1Ts/2 (uplink and downlink path and) are spent, a TA section is equal to 16Ts, i.e. 78.12m.Value range is as shown in table 5, Wherein the 1st row represent the practical sample value reported of OMC-R northbound interfaces, and value type is integer.

5 LteScTadv value ranges of table

OMC-R northbound interfaces report value Measurement data section is distributed (unit Ts) 0 TADV<16 1 16≤TADV<32 2 32≤TADV<48 1281 20496≤TADV<20512 1282 20512≤TADV

3.eNB antenna angle of arrival (MR.LteScAOA)

Reflect the reference azimuth of UE corresponding service antenna in cell, be to reflect referring mainly to for UE and serving BS position relationship Mark.This measurement data represents original measurement value (the i.e. Uu mouthfuls of measurement reported of the TD-LTE serving cell antenna angle of arrival received Measured value in report), unit meets angle measurement dimension.It can assist determining the orientation residing for user, positioning clothes are provided Business, value range is as shown in table 6, wherein the 1st row represent the practical sample value reported of OMC-R northbound interfaces, value type is whole Type, precision are 0.5 degree.

6 LteScAOA value ranges of table

OMC-R northbound interfaces report value Value is reported as defined in 3GPP Measurement data section is distributed (unit degree) 0 AOA_ANGLE_000 0≤AOA_ANGLE<0.5 1 AOA_ANGLE_001 0.5≤AOA_ANGLE<1.0 2 AOA_ANGLE_002 1.0≤AOA_ANGLE<1.5 717 AOA_ANGLE_717 358.5≤AOA_ANGLE<359.0 718 AOA_ANGLE_718 359.0≤AOA_ANGLE<359.5 719 AOA_ANGLE_719 359.5≤AOA_ANGLE<360

Further, in an alternate embodiment of the present invention where, above-mentioned steps S1 specifically includes following sub-step:

S11:The work ginseng of Timing Advance TA and serving cell in the measurement report MR reported according to terminal, using described The corresponding radio transmission model of covering scene and reception rating formula of serving cell obtain the serving cell and correspond to TA Reception power.

Specifically, according to table 2 or table 3, the parameter of the corresponding radio transmission model formula of different covering scenes is can obtain, from And parameter is brought into formula (4), you can obtain the corresponding radio transmission model of different covering scenes.So as to according to time advance The reception power under serving cell TA is calculated in amount TA, i.e. serving cell corresponds to the reception power of the receiving point of TA.

S12:The reference for receiving the serving cell in power and the MR that TA is corresponded to according to the serving cell is believed Number power is received, MR sampled points corresponding to the terminal classify.

Specifically, by the ginseng for receiving power and the serving cell in MR acquisition information under the serving cell TA being calculated It examines signal reception work(ScRSRP to be compared, be classified according to preset criterion to MR sampled points.

Specifically, above-mentioned steps S11 is specifically included:

Joined according to the corresponding distances of the TA and the work of the serving cell, the base station is calculated using formula (4) With the path loss L of the terminal;According to the path loss L of the terminal, the serving cell is calculated using formula (5) The reception power of corresponding TA.

Specifically, above-mentioned steps S12 is specifically included:

If the Reference Signal Received Power of the serving cell in the MR corresponds to connecing for TA more than the serving cell Receive power, and the reception work(of the Reference Signal Received Power TA corresponding with the serving cell of the serving cell in the MR The corresponding level difference value of rate is more than or equal to the first predetermined threshold value, then judges the MR sampled points for outdoor sampled point;If the MR In the Reference Signal Received Power of the serving cell be less than the serving cell and correspond to the reception power of TA, and the service Cell corresponds to the reception power level difference value corresponding with the Reference Signal Received Power of the serving cell in the MR of TA More than the first predetermined threshold value, then judge the MR sampled points for indoor sampled point.

Understandably, for indoor uncovered situation, due to propagation loss, the signal level in MR data can generally compare It is low with the level of the outdoor scene under TA, i.e., for indoor sampled point, the reference signal of the serving cell in the MR It receives power and is less than the reception power that the serving cell corresponds to TA.

When for example, to being modified to propagation model, calibration level difference then sets equation below within 3dBm (6) criterion classifies to MR sampled points.Wherein, ScRSRP is the reference letter for the serving cell that MR is acquired in information Number receive work(, PRSRP is the reception power under the serving cell TA being calculated.

In this way, the present embodiment uses revised radio transmission model combination MR gathered datas, distinguish outside macro station room Sampled point and macro station cover indoor sampled point, more precisely to be determined according to the type of MR sampled points MR sampled points Position.

Further, in an alternate embodiment of the present invention where, the service in the MR in above-mentioned steps S2 The Reference Signal Received Power of cell and the radio transmission model obtain the distance between the MR sampled points and base station, tool Body includes:

S21:The Reference Signal Received Power of serving cell in the MR and reception rating formula, obtain institute State the path loss between base station and the MR sampled points.

Specifically, the Reference Signal Received Power of the serving cell in MR is brought into formula (5), so as to which base be calculated The path loss L to stand between the MR sampled points.

S22:According to the path loss and the radio transmission model, obtain between the MR sampled points and base station away from From.

Specifically, according to the path loss L and formula (4) being calculated in step S21, can be calculated MR sampled points with The distance between base station d.

Understandably, for indoor sampled point, in above-mentioned steps S3 according to the MR sampled points and with the MR sampled points TA and the identical corresponding serving cells of sampled point of AOA Reference Signal Received Power, obtained using the radio transmission model The process of the distance between multiple sampled points and base station is obtained, identical with above-mentioned steps S21 to S22, details are not described herein.

Fig. 3 is a kind of structure diagram of the positioning device of measurement report sampled point in one embodiment of the invention, such as Fig. 3 Shown, described device includes:301 and first sampled point positioning unit 302 of sampled point taxon.Wherein:

The covering scene that sampled point taxon 301 is used for the measurement report MR and serving cell reported according to terminal corresponds to Radio transmission model, MR sampled points corresponding to the terminal classify;If the first sampled point positioning unit 302 is used for institute It is outdoor sampled point, the Reference Signal Received Power of the serving cell in the MR and the radio transmission to state MR sampled points Model obtains the distance between the MR sampled points and base station, and the antenna angle of arrival AOA in the distance and the MR Determine the location information of the MR sampled points.

It can be seen that service of the sampled point taxon 301 of the present embodiment in radio transmission model and MR data The reference signal receives frequency of cell realizes the examination of the indoor and outdoor type to the MR sampled points of LTE macro stations, and for therein Outdoor sampled point, the first sampled point positioning unit 302 calculate the distance of MR sampled points and base station according to radio transmission model, knot The AOA information in MR data is closed, realizes the accurate positionin to MR sampled points.In this way, realizing the outdoor MR samplings of macro station covering On the basis of the accurate positionin of point, it can realize the outdoor of section and the whole network and interior MR covering distributions, weak covering can be positioned The position of problem points provides effective reference to mend point or planning, can also realize the positioning of traffic hot spot, be the operations such as dilatation Data supporting is provided.

Further, in an alternate embodiment of the present invention where, as shown in figure 4, described device further includes:Second sampling Point location unit 303, is used for:

If the MR sampled points are indoor sampled point, according to the MR sampled points and with the TA of the MR sampled points and The Reference Signal Received Power of the corresponding serving cell of sampled point identical AOA is obtained multiple using the radio transmission model The distance between sampled point and base station;

The average value of multiple distances is calculated after rejecting sampled point of the distance more than the TA, is adopted as the MR The distance between sampling point and base station, and the antenna angle of arrival in the distance between the MR sampled points and base station and the MR AOA determines the location information of the MR sampled points.

In an alternate embodiment of the present invention where, the sampled point taxon 301, is used for:

The work ginseng of Timing Advance TA and serving cell in the measurement report MR reported according to terminal, using the service The corresponding radio transmission model of covering scene and reception rating formula of cell obtain the serving cell and correspond to connecing for TA Receive power;

According to the serving cell correspond to TA reception power and the MR in the reference signal of the serving cell connect Power is received, MR sampled points corresponding to the terminal are classified.

Further, the sampled point taxon 301, is specifically used for:

Joined according to the corresponding distances of the TA and the work of the serving cell, the base station is calculated using formula (4) With the path loss L of the terminal:

According to the path loss L of the terminal, the reception work(that the serving cell corresponds to TA is calculated using formula (5) Rate Pr:

Wherein, k1 be with frequency dependence constant, k2 is range attenuation constant, and k3 and k4 are mobile portable antennas height correction system Number, k5 and k6 are base station antenna height correction factor, and k7 is diffraction correction factor, and Kclutter is atural object attenuation correction coefficient;d For the distance between base station and mobile station, unit km;Effective heights of the Hms for mobile portable antennas, unit m;Heff is base station day The effective height of line, unit m;Pt is the transmission power of antenna for base station, and unit dBm, Gr are the gain of reception antenna, and unit is dB;For the power density of receiving point and the ratio of average power density, unit dB, θ andIt is receiving point with base Station antenna is the coordinate in the spherical coordinate system of the centre of sphere.

Further, the sampled point taxon 301, is specifically used for:

If the Reference Signal Received Power of the serving cell in the MR corresponds to connecing for TA more than the serving cell Receive power, and the reception work(of the Reference Signal Received Power TA corresponding with the serving cell of the serving cell in the MR The corresponding level difference value of rate is more than or equal to the first predetermined threshold value, then judges the MR sampled points for outdoor sampled point;

If the Reference Signal Received Power of the serving cell in the MR corresponds to connecing for TA less than the serving cell Power is received, and the serving cell corresponds to the reference signal reception work(for receiving power and the serving cell in the MR of TA The corresponding level difference value of rate is more than the first predetermined threshold value, then judges the MR sampled points for indoor sampled point.

In an alternate embodiment of the present invention where, the first sampled point positioning unit 302, is specifically used for:

The Reference Signal Received Power of serving cell in the MR and reception rating formula, obtain the base The path loss stood between the MR sampled points;

According to the path loss and the radio transmission model, the distance between the MR sampled points and base station are obtained.

For device embodiment, since it is basicly similar to embodiment of the method, so description is fairly simple, it is related Part illustrates referring to the part of embodiment of the method.

Fig. 5 is the structure diagram of a kind of electronic equipment in one embodiment of the invention.

Reference Fig. 5, the electronic equipment, including:Processor (processor) 501, memory (memory) 502, communication Interface (Communications Interface) 503 and bus 504;Wherein,

The processor 501, memory 502, communication interface 503 complete mutual communication by the bus 504;

The communication interface 503 is for the information transmission between electronic equipment and the communication equipment of terminal;

The processor 501 is used to call the program instruction in the memory 502, to perform above-mentioned each method embodiment The method provided, such as including:The measurement report MR and the covering scene of serving cell reported according to terminal is corresponding wireless Propagation model, MR sampled points corresponding to the terminal are classified;If the MR sampled points are outdoor sampled point, according to described The Reference Signal Received Power of serving cell in MR and the radio transmission model are obtained between the MR sampled points and base station Distance, and the antenna angle of arrival AOA in the distance and the MR determines the location information of the MR sampled points.

One embodiment of the invention discloses a kind of computer program product, and the computer program product includes being stored in non-temporary Computer program on state computer readable storage medium, the computer program include program instruction, when described program instructs When being computer-executed, computer is able to carry out the method that above-mentioned each method embodiment is provided, such as including:According in terminal The corresponding radio transmission model of covering scene of the measurement report MR and serving cell of report, MR sampled points corresponding to the terminal Classify;If the MR sampled points are outdoor sampled point, the Reference Signal Received Power of the serving cell in the MR And the radio transmission model, the distance between the MR sampled points and base station are obtained, and according in the distance and the MR Antenna angle of arrival AOA determine the location informations of the MR sampled points.

One embodiment of the invention discloses a kind of non-transient computer readable storage medium storing program for executing, and the non-transient computer is readable to deposit Storage media stores computer instruction, and the computer instruction makes the computer perform the side that above-mentioned each method embodiment is provided Method, such as including:The corresponding radio transmission model of the covering scene of measurement report MR and serving cell reported according to terminal, it is right The corresponding MR sampled points of the terminal are classified;If the MR sampled points are outdoor sampled point, according to the service in the MR The Reference Signal Received Power of cell and the radio transmission model obtain the distance between the MR sampled points and base station, and Antenna angle of arrival AOA in the distance and the MR determines the location information of the MR sampled points.

One of ordinary skill in the art will appreciate that:Realizing all or part of step of above method embodiment can pass through The relevant hardware of program instruction is completed, and aforementioned program can be stored in a computer read/write memory medium, the program When being executed, step including the steps of the foregoing method embodiments is performed;And aforementioned storage medium includes:ROM, RAM, magnetic disc or light The various media that can store program code such as disk.

The embodiments such as the test equipment of display device described above are only schematical, wherein described as separation The unit of part description may or may not be it is physically separate, the component shown as unit can be or It can not be physical unit, you can be located at a place or can also be distributed in multiple network element.It can be according to reality Border needs to select some or all of module therein to realize the purpose of this embodiment scheme.Those of ordinary skill in the art In the case where not paying performing creative labour, you can to understand and implement.

Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can It is realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on such understanding, on Technical solution is stated substantially in other words to embody the part that the prior art contributes in the form of software product, it should Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including several fingers It enables and (can be personal computer, server or the network equipment etc.) so that computer equipment is used to perform each implementation Method described in certain parts of example or embodiment.

It should also be noted that, herein, relational terms such as first and second and the like are used merely to one Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation There are any actual relationship or orders.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain Lid non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that Also there are other identical elements in process, method, article or equipment including the element.

The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments The present invention is described in detail, it will be understood by those of ordinary skill in the art that:It still can be to aforementioned each implementation Technical solution recorded in example modifies or carries out equivalent replacement to which part technical characteristic;And these modification or It replaces, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.

Claims (10)

1. a kind of localization method of measurement report sampled point, which is characterized in that the method includes:
The corresponding radio transmission model of the covering scene of measurement report MR and serving cell reported according to terminal, to the terminal Corresponding MR sampled points are classified;
If the MR sampled points are outdoor sampled point, the Reference Signal Received Power of the serving cell in the MR and described Radio transmission model obtains the distance between the MR sampled points and base station, and the antenna in the distance and the MR Angle of arrival AOA determines the location information of the MR sampled points.
2. according to the method described in claim 1, it is characterized in that, the method further includes:
If the MR sampled points are indoor sampled point, the Timing Advance according to the MR sampled points and with the MR sampled points The Reference Signal Received Power of the corresponding serving cell of sampled point identical TA and AOA is obtained using the radio transmission model The distance between multiple sampled points and base station;
The average value of multiple distances is calculated after rejecting sampled point of the distance more than the TA, as the MR sampled points The distance between base station, and the antenna angle of arrival AOA in the distance between the MR sampled points and base station and the MR Determine the location information of the MR sampled points.
3. method according to claim 1 or 2, which is characterized in that the measurement report MR and clothes reported according to terminal The corresponding radio transmission model of covering scene for cell of being engaged in, MR sampled points corresponding to the terminal are classified, including:
The work ginseng of Timing Advance TA and serving cell in the measurement report MR reported according to terminal, using the serving cell The corresponding radio transmission model of covering scene and receive rating formula and obtain the reception work(that the serving cell corresponds to TA Rate;
The reference signal for receiving the serving cell in power and the MR that TA is corresponded to according to the serving cell receives work( Rate, MR sampled points corresponding to the terminal are classified.
4. according to the method described in claim 3, it is characterized in that, time in the measurement report MR reported according to terminal The work of lead TA and serving cell is joined, and using the corresponding radio transmission model of the covering scene of the serving cell and receives work( Rate calculation formula obtains the reception power that the serving cell corresponds to TA, including:
Joined according to the corresponding distances of the TA and the work of the serving cell, using formula one be calculated the base station with it is described The path loss L of terminal:
According to the path loss L of the terminal, the reception power P r that the serving cell corresponds to TA is calculated using formula two:
Wherein, k1 be with frequency dependence constant, k2 is range attenuation constant, and k3 and k4 are mobile portable antennas altitude correction factor, K5 and k6 is base station antenna height correction factor, and k7 is diffraction correction factor, and Kclutter is atural object attenuation correction coefficient;D is The distance between base station and mobile station, unit km;Effective heights of the Hms for mobile portable antennas, unit m;Heff is antenna for base station Effective height, unit m;Pt is the transmission power of antenna for base station, and unit dBm, Gr are the gain of reception antenna, and unit is dB;For the power density of receiving point and the ratio of average power density, unit dB, θ andIt is receiving point with base Station antenna is the coordinate in the spherical coordinate system of the centre of sphere.
5. the according to the method described in claim 3, it is characterized in that, reception power that TA is corresponded to according to the serving cell And the Reference Signal Received Power of the serving cell in the MR, MR sampled points corresponding to the terminal are classified, Including:
If the Reference Signal Received Power of the serving cell in the MR is more than the reception work(that the serving cell corresponds to TA Rate, and the reception power pair of the Reference Signal Received Power TA corresponding with the serving cell of the serving cell in the MR The level difference value answered is more than or equal to the first predetermined threshold value, then judges the MR sampled points for outdoor sampled point;
If the Reference Signal Received Power of the serving cell in the MR is less than the reception work(that the serving cell corresponds to TA Rate, and the serving cell corresponds to the Reference Signal Received Power pair for receiving power and the serving cell in the MR of TA The level difference value answered is more than the first predetermined threshold value, then judges the MR sampled points for indoor sampled point.
6. method according to claim 1 or 2, which is characterized in that the reference of the serving cell in the MR Signal reception power and the radio transmission model obtain the distance between the MR sampled points and base station, including:
The Reference Signal Received Power of serving cell in the MR and receive rating formula, obtain the base station with Path loss between the MR sampled points;
According to the path loss and the radio transmission model, the distance between the MR sampled points and base station are obtained.
7. a kind of positioning device of measurement report sampled point, which is characterized in that described device includes:
Sampled point taxon, it is corresponding wireless for the measurement report MR and the covering scene of serving cell that are reported according to terminal Propagation model, MR sampled points corresponding to the terminal are classified;
First sampled point positioning unit, if being outdoor sampled point for the MR sampled points, according to the serving cell in the MR Reference Signal Received Power and the radio transmission model, obtain the distance between the MR sampled points and base station, and according to Antenna angle of arrival AOA in the distance and the MR determines the location information of the MR sampled points.
8. device according to claim 7, which is characterized in that described device further includes:Second sampled point positioning unit is used In:
If the MR sampled points are indoor sampled point, TA the and AOA phases according to the MR sampled points and with the MR sampled points The Reference Signal Received Power of the same corresponding serving cell of sampled point obtains multiple sampled points using the radio transmission model The distance between base station;
The average value of multiple distances is calculated after rejecting sampled point of the distance more than the TA, as the MR sampled points The distance between base station, and the antenna angle of arrival AOA in the distance between the MR sampled points and base station and the MR Determine the location information of the MR sampled points.
9. device according to claim 7 or 8, which is characterized in that the sampled point taxon is specifically used for:
The work ginseng of Timing Advance TA and serving cell in the measurement report MR reported according to terminal, using the serving cell The corresponding radio transmission model of covering scene and receive rating formula and obtain the reception work(that the serving cell corresponds to TA Rate;
The reference signal for receiving the serving cell in power and the MR that TA is corresponded to according to the serving cell receives work( Rate, MR sampled points corresponding to the terminal are classified.
10. device according to claim 7 or 8, which is characterized in that the first sampled point positioning unit is specifically used for:
The Reference Signal Received Power of serving cell in the MR and receive rating formula, obtain the base station with Path loss between the MR sampled points;
According to the path loss and the radio transmission model, the distance between the MR sampled points and base station are obtained.
CN201611229854.2A 2016-12-27 Method and device for positioning sampling point of measurement report CN108260202B (en)

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