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User Activity Detection and Channel Estimation for Grant-Free Random Access in LEO Satellite-Enabled Internet of Things.

Zhaoji ZhangYing LiChongwen HuangQinghua GuoLei LiuChau YuenYong Liang Guan
Published in: IEEE Internet Things J. (2020)
Keyphrases
  • random access
  • user activity
  • channel estimation
  • multipath
  • user behavior
  • online social networks
  • communication systems
  • ofdm system
  • social media
  • end to end
  • maximum likelihood
  • computer systems
  • estimation algorithm