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Active Terminal Identification, Channel Estimation, and Signal Detection for Grant-Free NOMA-OTFS in LEO Satellite Internet-of-Things.

Xingyu ZhouKeke YingZhen GaoYongpeng WuZhenyu XiaoSymeon ChatzinotasJinhong YuanBjörn E. Ottersten
Published in: IEEE Trans. Wirel. Commun. (2023)
Keyphrases
  • signal detection
  • channel estimation
  • communication systems
  • cdma systems
  • multipath
  • low signal to noise ratio
  • ofdm system
  • frequency selective
  • fading channels
  • weak signal
  • bit error rate
  • mobile devices