• Corpus ID: 239050021

RSS-based Multiple Sources Localization with Unknown Log-normal Shadow Fading

  title={RSS-based Multiple Sources Localization with Unknown Log-normal Shadow Fading},
  author={Yueyan Chu and Wenbin Guo and Kangyong You and Lei Zhao and Tao Peng and Wenbo Wang},
Multi-source localization based on received signal strength (RSS) has drawn great interest in wireless sensor networks. However, the shadow fading term caused by obstacles cannot be separated from the received signal, which leads to severe error in location estimate. In this paper, we approximate the log-normal sum distribution through Fenton-Wilkinson method to formulate a non-convex maximum likelihood (ML) estimator with unknown shadow fading factor. In order to overcome the difficulty in… 

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