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Data fusion for cooperative detection in cognitive radio system

  • Wei Lin*
  • , Jie Wu
  • , Qin Yu Zhang
  • , Nai Tong Zhang
  • *Corresponding author for this work
  • Harbin Institute of Technology Shenzhen
  • School of Electronics and Information Engineering, Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

The cooperative detection in cognitive radio system was investigated based on multi-sensor data fusion. For a certain scale of the online users, an optimal user number participating in data fusion existed. Based on this fact, a measure-based fusion method was proposed. This method dynamically adjusted the user number in fusion according to the received signal in each detection activity. Simulation shows the performance of over 60% detection is improved by this fusion method than the method with fixed fusion user number.

Original languageEnglish
Pages (from-to)135-140
Number of pages6
JournalTongxin Xuebao/Journal on Communications
Volume30
Issue number10
StatePublished - Oct 2009
Externally publishedYes

Keywords

  • Cognitive radio
  • Cooperative detection
  • Data fusion
  • Optimal fusion user number

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