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User Localization Based on Call Detail Record

  • Buddhi AyeshaEmail author
  • Bhagya Jeewanthi
  • Charith Chitraranjan
  • Amal Shehan Perera
  • Amal S. Kumarage
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11871)

Abstract

Understanding human mobility is essential for many fields, including transportation planning. Currently, surveys are the primary source for such analysis. However, in the recent past, many researchers have focused on Call Detail Records (CDR) for identifying travel patterns. CDRs have shown correlation to human mobility behavior. However, one of the main issues in using CDR data is that it is difficult to identify the precise location of the user due to the low spacial resolution of the data and other artifacts such as the load sharing effect. Existing approaches have certain limitations. Previous studies using CDRs do not consider the transmit power of cell towers when localizing the users and use an oversimplified approach to identify load sharing effects. Furthermore, they consider the entire population of users as one group neglecting the differences in mobility patterns of different segments of users. This research introduces a novel methodology to user position localization from CDRs through improved detection of load sharing effects, by taking the transmit power into account, and segmenting the users into distinct groups for the purpose of learning any parameters of the model. Moreover, this research uses several methods to address the existing limitations and validate the generated results using nearly 4 billion CDR data points with travel survey data and voluntarily collected mobile data.

Keywords

Call Detail Records Localization Load sharing effect Mobile Network Big Data Data fusion Data mining 

Notes

Acknowledgment

The authors wish to thank the DataSEARCH Centre for supporting the project which was partially funded by the Senate Research Council under the grant number SRC/LT/2018/08 of the University of Moratuwa.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Buddhi Ayesha
    • 1
    Email author
  • Bhagya Jeewanthi
    • 2
  • Charith Chitraranjan
    • 1
  • Amal Shehan Perera
    • 1
  • Amal S. Kumarage
    • 2
  1. 1.Department of Computer Science and EngineeringUniversity of MoratuwaMoratuwaSri Lanka
  2. 2.Department of Transport and Logistics ManagementUniversity of MoratuwaMoratuwaSri Lanka

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