Sensor Placement for 3-Coverage with Minimum Separation Requirements

  • Jung-Eun Kim
  • Man-Ki Yoon
  • Junghee Han
  • Chang-Gun Lee
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5067)


Sensors have been increasingly used for many ubiquitous computing applications such as asset location monitoring, visual surveillance, and human motion tracking. In such applications, it is important to place sensors such that every point of the target area can be sensed by more than one sensor. Especially, many practical applications require 3-coverage for triangulation, 3D hull building, and etc. Also, in order to extract meaningful information from the data sensed by multiple sensors, those sensors need to be placed not too close to each other—minimum separation requirement. To address the 3-coverage problem with the minimum separation requirement, this paper proposes two methods, so called, overlaying method and TRE-based method, which complement each other depending on the minimum separation requirement. For these two methods, we also provide mathematical analysis that can clearly guide us when to use the TRE-based method and when to use the overlaying method and also how many sensors are required. To the best of our knowledge, this is the first work that systematically addresses the 3-coverage problem with the minimum separation requirement.


sensor placement 3-coverage minimum separation requirement coverage redundancy 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Jung-Eun Kim
    • 1
  • Man-Ki Yoon
    • 1
  • Junghee Han
    • 2
  • Chang-Gun Lee
    • 1
  1. 1.The School of Computer Science and EngineeringSeoul National UniversitySeoulKorea
  2. 2.Samsung Electronics Co. LtdSuwonKorea

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