CN106504524B - A method of express highway section is divided based on mobile signaling protocol dynamic - Google Patents
A method of express highway section is divided based on mobile signaling protocol dynamic Download PDFInfo
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- CN106504524B CN106504524B CN201610823101.8A CN201610823101A CN106504524B CN 106504524 B CN106504524 B CN 106504524B CN 201610823101 A CN201610823101 A CN 201610823101A CN 106504524 B CN106504524 B CN 106504524B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/012—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from other sources than vehicle or roadside beacons, e.g. mobile networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
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- Chemical & Material Sciences (AREA)
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- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to road traffic road condition monitoring technologies, it is desirable to provide a method of express highway section is divided based on mobile signaling protocol dynamic.This method comprises: obtaining the vertical mapping point of base station on a highway；Acquisition mobile phone signaling event is sorted out, and statisticallys analyze certain the mobile signaling protocol number of users of base station maps point at the moment on interior highway at a certain moment and summarizes；Generate express highway section.Based on the present invention is vertically mapped using highway and base station location, by the analysis to mobile phone signaling event quantity and number of users, dynamically marks off and meet the express highway section based on mobile phone signaling real-time road detection requirement.Solving part way does not have the problem of base station covers or signaling event number of users is few, can not analyze section real-time road.The dynamic section division result that the present invention obtains can be used for the highway operation monitoring system of mobile phone signaling, analyze the real-time traffic condition of highway different sections of highway.
Description
Technical field
The invention belongs to road traffic road condition monitoring technologies, divide high speed based on mobile signaling protocol dynamic more particularly, to one kind
The method of highway section.
Background technique
In recent years, popularizing with mobile phone terminal, it is dynamic that the location-based service based on mobile communication becomes a kind of emerging wide area
State traffic detection mode, such as analyzed by the location information of numerous mobile phone users and infer dynamic traffic situation.
By the base station variation and time change to cell phone signaling user, with neural network model and time series
Prediction model analyzes the track of user, the speed currently moved, and comprehensive traffic accident, weather, history road condition data etc.
Information finally analyzes speed and speed trend of each section in some time window.User can be guided to avoid congestion road
Section, distributed vehicle avoid road vehicle blocking.
In order to analyze the real-time traffic condition of highway different sections of highway, if needing highway being divided into main line
Section, carries out real-time road analysis as unit of section and result is shown.Fastlink unit is excessive or mobile phone signaling event number
Amount, number of users deficiency will be so that traffic information be not comprehensive enough accurate, and section is too small, make traffic information obtain difficulty and increase,
Therefore how to carry out the scientific and reasonable section that divides to highway becomes the pass of highway real-time traffic operation monitoring system
Key.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, provide a kind of dynamic based on mobile signaling protocol
The method of state division express highway section.
In order to solve the technical problem, solution of the invention is:
A kind of method dividing express highway section based on mobile signaling protocol dynamic is provided, is included the following steps:
(1) the vertical mapping point of base station on a highway is obtained
Base station is obtained by each base station maps to highway on highway periphery using local search extreme value algorithm
Mapping point P, and obtain the base station maps point set (P1, P2, P3.....Pi) along highway sequential placement；Each base station
Base station cell title, longitude and latitude, overlay area and base station type are included at least in essential information；
(2) mobile phone signaling event is acquired
Acquire the various signaling things that the user mobile phone recorded in each base station on highway periphery generates in a mobile network
Part obtains mobile signaling protocol message after being formatted processing；In mobile signaling protocol message, timestamp, user identifier are included at least
Field ID and the base station geographic position indicated with longitude and latitude LON/LAT；
(3) signaling user number Macro or mass analysis
Collected mobile signaling protocol message is sorted out, statistical analysis within certain T1 moment reflect on highway by certain base station
Mobile signaling protocol number of users of the exit point Pi at the T1 moment summarizes PUi, and (T1 may be set to default 1 minute, i.e. real-time road monitoring is most short
Refresh time is 1 minute)；
(4) express highway section is generated
Using the starting point of highway as starting point, analyze whether PU1 of the base station maps point P1 at the T1 moment is greater than present count
Value continues analysis base station maps point P1+P2 if no more than default value and summarizes in the accumulation mobile signaling protocol number of users at T1 moment
Whether it is greater than default value, if meeting accumulation mobile signaling protocol number of users summarizes the condition greater than default value, generates dynamic road
Section S1；
Section S2 analyzes whether PU3 of the P3 at the T1 moment is greater than default value, such as larger than default value then using P3 as starting point
Generate dynamic section S2；Otherwise, continue to analyze base station maps point P3+P4, P3+P4+P5, P3+P4+P5+P6 ... at the T1 moment
Accumulative mobile signaling protocol number of users summarizes whether be greater than default value, summarizes until meeting accumulative mobile signaling protocol number of users greater than default
The condition of numerical value, to generate dynamic section S2；
Dynamic section S3-Sn is generated in the same manner, so that highway is divided into S1-Sn dynamic section, Sn table
Show the total dynamic section of highway.
In the present invention, the default value in step (4) is 100.
In the present invention, using local search extreme value algorithm by the base station maps to highway on highway periphery,
It comprises the concrete steps that:
(1.1) using base station O as the center of circle, using r as radius, the inner curve AB of highway and circle O intersection is obtained；
(1.2) according to the equidistant segmentation AB of step-length S, P=[p1, p2, p3 ... pm] is obtained；
(1.3) each point and base station O distance PjO, 1≤j≤m in P are calculated；
(1.4) mapping point apart from the smallest Pj as base station O on a highway is taken.
In the present invention, the various signaling events that the user mobile phone generates in a mobile network refer to it is following any one:
Switching on and shutting down generate location updating event, across base station location area when handover event, periodic location updating event, answer and
The event made a phone call sends and receives short message event or mobile subscriber surfs the Internet event.
In the present invention, the user identification field ID is using IMSI or MSISDN as seed, under the requirement of uniqueness
It is generated using one-way algorithm, desensitization process should also be made to protect privacy of user to user information in the process.
Compared with prior art, the beneficial effects of the present invention are
1, based on the present invention is vertically mapped using highway and base station location, by mobile phone signaling event quantity and
The analysis of number of users dynamically marks off and meets the express highway section based on mobile phone signaling real-time road detection requirement.Solution
Part way present in the section division based on the monitoring of mobile phone signaling high-speed road conditions of having determined does not have base station covering or signaling event
The problem of number of users is few, can not analyze section real-time road.
2, the dynamic section division result obtained using method of the present invention, the high speed that can be used for mobile phone signaling are public
Road operation monitoring system analyzes the real-time traffic condition of highway different sections of highway.
Detailed description of the invention
Fig. 1 is the broad flow diagram that highway dynamic section divides.
Fig. 2 is that base station and highway vertically map schematic diagram.
Specific embodiment
It is sub in the following with reference to the drawings and specific embodiments, specific implementation process of the invention is described in detail.
In the present invention, based on the method that mobile signaling protocol dynamic divides express highway section, include the following steps:
(1) the vertical mapping point of base station on a highway is obtained
Base station is obtained by each base station maps to highway on highway periphery using local search extreme value algorithm
Mapping point P, and obtain the base station maps point set (P1, P2, P3.....Pi) along highway sequential placement；Each base station
Base station cell title, longitude and latitude, overlay area and base station type are included at least in essential information；
By comprising the concrete steps that in the base station maps to highway on highway periphery:
(1.1) using base station O as the center of circle, using r as radius, the inner curve AB of highway and circle O intersection is obtained；
(1.2) according to the equidistant segmentation AB of step-length S, P=[p1, p2, p3 ... pm] is obtained；
(1.3) each point and base station O distance PjO, 1≤j≤m in P are calculated；
(1.4) mapping point apart from the smallest Pj as base station O on a highway is taken.
(2) mobile phone signaling event is acquired
Acquire the various signaling things that the user mobile phone recorded in each base station on highway periphery generates in a mobile network
Part obtains mobile signaling protocol message after being formatted processing；In mobile signaling protocol message, timestamp, user identifier are included at least
Field ID and the base station geographic position indicated with longitude and latitude LON/LAT；
The various signaling events that the user mobile phone generates in a mobile network refer to it is following any one: switching on and shutting down generate
Location updating event, across base station location area when handover event, periodic location updating event, answer and make a phone call
Event sends and receives short message event or mobile subscriber's online event.
Wherein, user identification field ID is using IMSI or MSISDN as seed, using unidirectional under the requirement of uniqueness
Property algorithm and generate, should during desensitization process also was made to protect privacy of user to user information.
(3) signaling user number Macro or mass analysis
Collected mobile signaling protocol message is sorted out, statistical analysis within certain T1 moment reflect on highway by certain base station
Mobile signaling protocol number of users of the exit point Pi at the T1 moment summarizes PUi；
Assuming that highway has base station maps point P1, P2 ..., Pi, after signaling user number classification processing, in T1
Following set will be formed by carving:
PU1={ U1, U2 ..., Un }
PU2={ U1, U2 ..., Un }
PUi={ U1, U2 ..., Un }
Wherein, PUi indicates that the mobile signaling protocol number of users of T1 moment base station maps point Pi summarizes.
(4) express highway section is generated
It is dynamic according to following rule before the highway operation monitoring system of mobile phone signaling analyzes highway real-time road
State generates fastlink:
(1) using the starting point of highway as starting point, it is default whether PU1 of the analysis base station maps point P1 at the T1 moment is greater than
Numerical value (default value is selected according to the actual situation, can be minimum number of users with 100)；
(2) it is such as unsatisfactory for, then whether the PU1 for analyzing base station maps point P1+P2 at the T1 moment is greater than 100；
(3) as P1+P2 meet PU1 be greater than 100 condition, then using P1+P2 as the road section scope of dynamic section S1；Its
In, Si indicates express highway section；
(4) section S2 analyzes whether PU2 of the P3+P4 at the T1 moment is greater than default value 100 using P3 as starting point, such as larger than
100 generate dynamic section S2；Otherwise, continue to analyze base station maps point P3+P4, P3+P4+P5, P3+P4+P5+P6 ... in T1
The accumulative mobile signaling protocol number of users at moment summarizes whether be greater than default value 100, converges until meeting accumulative mobile signaling protocol number of users
Total condition greater than 100, to generate dynamic section S2；
(5) section S3-Sn generates section according to the above rule, until highway dynamic is divided into S1, S2,
S3 ..., Sn section；Wherein, Sn indicates express highway section.
Highway operation monitoring system based on mobile phone signaling, by being analyzed according to the section of dynamic generation, really
The signaling user number for protecting each section can satisfy the minimum requirements of real-time road monitoring, analyze accurate section real-time road.
Claims (5)
1. a kind of method for dividing express highway section based on mobile signaling protocol dynamic, which comprises the steps of:
(1) the vertical mapping point of base station on a highway is obtained
Base station maps are obtained by each base station maps to highway on highway periphery using local search extreme value algorithm
Point P, and obtain the base station maps point set (P1, P2, P3.....Pi) along highway sequential placement；Each base station it is basic
Base station cell title, longitude and latitude, overlay area and base station type are included at least in information；
(2) mobile phone signaling event is acquired
The various signaling events that the user mobile phone recorded in each base station on highway periphery generates in a mobile network are acquired, into
Mobile signaling protocol message is obtained after formatting lines processing；In mobile signaling protocol message, timestamp, user identification field ID are included at least
With the base station geographic position indicated with longitude and latitude LON/LAT；
(3) signaling user number Macro or mass analysis
Collected mobile signaling protocol message is sorted out, statistical analysis certain base station maps point on highway within certain T1 moment
Mobile signaling protocol number of users of the Pi at the T1 moment summarizes PUi；
(4) express highway section is generated
Using the starting point of highway as starting point, analyze whether PU1 of the base station maps point P1 at the T1 moment is greater than default value, such as
Then continue to analyze whether greatly base station maps point P1+P2 summarizes in the accumulative mobile signaling protocol number of users at T1 moment no more than default value
In default value, if meeting accumulative mobile signaling protocol number of users summarizes the condition greater than default value, dynamic section S1 is generated；
Section S2 analyzes whether PU3 of the P3 at the T1 moment is greater than default value using P3 as starting point, and such as larger than default value then generates
Dynamic section S2；Otherwise, continue analysis base station maps point P3+P4, P3+P4+P5, P3+P4+P5+P6 ... to add up at the T1 moment
Mobile signaling protocol number of users summarizes whether be greater than default value, summarizes until meeting accumulative mobile signaling protocol number of users greater than default value
Condition, to generate dynamic section S2；
Dynamic section S3-Sn is generated in the same manner, so that highway is divided into S1-Sn dynamic section, Sn indicates high
The total dynamic section of fast highway.
2. the method according to claim 1, wherein the default value in step (4) is 100.
3. the method according to claim 1, wherein using local search extreme value algorithm by highway periphery
In base station maps to highway, comprise the concrete steps that:
(1.1) using base station O as the center of circle, using r as radius, the inner curve AB of highway and circle O intersection is obtained；
(1.2) according to the equidistant segmentation AB of step-length S, P=[p1, p2, p3 ... pm] is obtained；
(1.3) each point and base station O distance PjO, 1≤j≤m in P are calculated；
(1.4) mapping point apart from the smallest Pj as base station O on a highway is taken.
4. according to claim 1 to method described in 3 any one, which is characterized in that the user mobile phone is in mobile network
The various signaling events of middle generation refer to it is following any one: switching on and shutting down generate location updating event, across base station location area when
Handover event, periodic location updating event, the event answered and made a phone call, send and receive short message event or movement
User's online event.
5. according to claim 1 to method described in 3 any one, which is characterized in that the user identification field ID be with
IMSI or MSISDN is seed, is generated under the requirement of uniqueness using one-way algorithm, should be in the process also to user
Information makees desensitization process to protect privacy of user.
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| CN109429177A (en) * | 2017-06-27 | 2019-03-05 | 华为技术有限公司 | A kind of positioning and rectifying method and device |
| CN108495271B (en) * | 2018-03-09 | 2020-09-25 | 兰州交通大学 | Terminal positioning method suitable for high-speed railway network test |
| CN111292524B (en) * | 2018-12-07 | 2022-03-29 | 中国移动通信集团陕西有限公司 | Congestion information determination method and device, electronic equipment and storage medium |
| CN110310477B (en) * | 2019-05-14 | 2021-11-02 | 浙江工业大学之江学院 | Bus passenger flow detection method based on bus GPS and mobile phone signaling data |
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