Multi-target localization based on unidentified multiple rss/aoa measurements in wireless sensor networks

Seyoung Kang, Taehyun Kim, Wonzoo Chung

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


All existing hybrid target localization algorithms using received signal strength (RSS) and angle of arrival (AOA) measurements in wireless sensor networks, to the best of our knowledge, assume a single target such that even in the presence of multiple targets, the target localization problem is translated to multiple single-target localization problems by assuming that multiple measurements in a node are identified with their originated targets. Herein, we first consider the problem of multi-target localization when each anchor node contains multiple RSS and AOA measurement sets of unidentified origin. We propose a computationally efficient method to cluster RSS/AOA measurement sets that originate from the same target and apply the existing single-target linear hybrid localization algorithm to estimate multiple target positions. The complexity analysis of the proposed algorithm is presented, and its performance under various noise environments is analyzed via simulations.

Original languageEnglish
Article number4455
Issue number13
Publication statusPublished - 2021 Jul 1


  • Angle of arrival (AOA)
  • Localization
  • Multi-target
  • Received signal strength (RSS)
  • Wireless sensor networks (WSNs)

ASJC Scopus subject areas

  • Analytical Chemistry
  • Information Systems
  • Atomic and Molecular Physics, and Optics
  • Biochemistry
  • Instrumentation
  • Electrical and Electronic Engineering


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