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A method of extracting stop points using mobile phone signaling data

A mobile phone signaling and data extraction technology, applied in service signaling, location-based services, computer components, etc., can solve problems such as low accuracy and too much noise data, and achieve the effect of reducing missed selections

Active Publication Date: 2021-03-30
天津市城市规划设计研究总院有限公司
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the mobile phone signaling data has a large amount of data and a wide coverage area, it also has the characteristics of low precision and a lot of noise data, which puts forward higher requirements for data cleaning

Method used

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  • A method of extracting stop points using mobile phone signaling data
  • A method of extracting stop points using mobile phone signaling data
  • A method of extracting stop points using mobile phone signaling data

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example

[0055] 1. First identify the place of residence

[0056] Select the user's mobile phone and its related time and space information that have appeared in 7 consecutive days, and select the first and last records of each day according to the user's daily routine, and perform spatial clustering on the corresponding spatial information. Calculate the number of days that the user appears in the cluster location, and set the identification conditions. If the number of days the user appears and the frequency of occurrence in the cluster location both exceed the set threshold, the location is identified as a residence.

[0057] 2. Identify the work place

[0058] Select the user records whose occurrence days are more than 5 days and whose place of residence has been identified, calculate the distance between the location of each point in the record and the place of residence, and select the places whose distance is greater than the set threshold (greater than 1km) for spatial cluster ...

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Abstract

A method of using mobile phone signaling data to extract travel stop points: grouping all mobile phone signaling data obtained by mobile communication operators for a set time according to different users; extracting the mobile phone signaling of each mobile phone user respectively, and obtaining The sequence of base stations and base station positions sorted by time for each mobile phone user; merge the sorted mobile phone signaling data of each mobile phone user respectively: classify the signaling positions with the minimum dwell time greater than or equal to 10 minutes into the set C2, and The minimum dwelling time is greater than 1min and less than 10min into the set C3; find out the possible parking points in the set C3; classify the signaling position judged as the parking point in the set C3 into the set C2; put the stop position set C2 The signaling positions of are sorted according to the start time of the signaling positions; until the number of signaling positions in the set C2 and the set C3 no longer changes. The invention makes full use of the characteristics of the signaling data of the mobile phone, selects more parking points, and reduces missed selection.

Description

technical field [0001] The invention relates to a method for extracting a stop point of a trip. In particular, it relates to a method for extracting travel stop points by using mobile phone signaling data. Background technique [0002] The field of urban planning focuses on the evolution of urban form, the characteristics of population and job distribution, and the rules of travel flow, so as to scientifically and rationally formulate development strategies, lay out infrastructure, and provide transportation support services. The traditional means of obtaining data mainly include population census, economic census, sample survey of residents travel, etc. The survey method consumes a lot of manpower and material resources, the sampling rate is low, the accuracy is not high, the data update cycle is long, and only the data of a specific time segment can be obtained. It is difficult to adapt to the planning and management needs of the new era. The widespread popularity of mob...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/029H04W4/21G06K9/62
CPCH04W4/029H04W4/203G06F18/23
Inventor 万涛马山高煦明李科范小勇
Owner 天津市城市规划设计研究总院有限公司
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