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EM-based noise plus interference estimation for OFDM-based cognitive radio systems.

Daiming QuYouwen YiTao JiangGuangxi Zhu
Published in: Wirel. Commun. Mob. Comput. (2012)
Keyphrases
  • spectrum sensing
  • cognitive radio
  • cognitive radio networks
  • carrier frequency offset
  • wireless communication
  • multipath
  • wireless systems
  • distributed systems
  • maximum likelihood
  • data processing
  • communication systems