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A Link Selection Algorithm Based on EKF and Overlapping Coalition Formation Game for Hybrid Cooperative Positioning

  • Mingxing KeEmail author
  • Shiwei Tian
  • Chuang Wang
  • Xudong Zhong
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 972)

Abstract

The cooperative localization as a satellite enhanced mean can extend the availability of positioning system and improve the accuracy of localization in some harsh environments, such as urban canyons, dense foliage, building block and so on. However, if there is a large amount of cooperative objectives in a densely deployed scenario, much connected links will cost a large number of time-frequency resources. The goal of this paper is to address the above question by a link selection algorithm based on an Extended Kalman Filter (EKF) and overlapping coalition formation (OCF) game. First, the EKF is used to obtain real-time state information updates. Then, a criterion is developed to determine whether users are well localized. If the criterion is satisfied, the efficient link selection problem is considered as an OCF game; otherwise, the user cooperates with others as many as possible to obtain accuracy state information. Numerical results show that the proposed algorithm can achieve performance improvement in localization accuracy compared to the no-cooperative approach, and achieve a much fewer link number at the cost of appropriate performance degradation.

Keywords

Cooperative localization Link selection EKF Overlapping coalition formation game 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Mingxing Ke
    • 1
    Email author
  • Shiwei Tian
    • 1
  • Chuang Wang
    • 1
  • Xudong Zhong
    • 1
  1. 1.Army Engineering University of PLANanjingChina

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