Fuzzy c-means clustering based robust and blind noncoherent receivers for underwater sensor networks

  • Authors:
  • Bin Li;Zheng Zhou;Weixia Zou;Shubin Wang

  • Affiliations:
  • Wireless Network Lab, Beijing University of Posts and Telecommunications, Key Lab of Universal Wireless Communications, MOE, Beijing, China;Wireless Network Lab, Beijing University of Posts and Telecommunications, Key Lab of Universal Wireless Communications, MOE, Beijing, China;Wireless Network Lab, Beijing University of Posts and Telecommunications, Key Lab of Universal Wireless Communications, MOE, Beijing, China;Wireless Network Lab, Beijing University of Posts and Telecommunications, Key Lab of Universal Wireless Communications, MOE and Inner Mongolia University, Beijing, China

  • Venue:
  • WASA'10 Proceedings of the 5th international conference on Wireless algorithms, systems, and applications
  • Year:
  • 2010

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Abstract

Attributed to complex and dynamic propagations in underwater acoustic sensors network, the multipath signals has posed great challenges in the receiver designing in past decades of years. In this paper, we adopt the UWB channel model in underwater networks and suggest a blind non-coherent receiver. Some differentiated features have been developed to represent the multipath signals. Then, we formulate the underwater signal detection as a data mining process. Fuzzy c-means clustering (FCM) algorithm is finally adopted to perform blind signal detection. Numerical simulations show that our scheme outperforms the traditional noncoherent techniques.