Imperfect

What is perfect and imperfect channel?

What is perfect and imperfect channel?
  1. What is imperfect channel?
  2. What is imperfect CSI?

What is imperfect channel?

Imperfect channel state information (I-CSI) and imperfect transceiver hardware often happen in wireless communication systems due to the time-varying and random characteristics of both wireless channels and hardware components.

What is imperfect CSI?

Imperfect channel state information (CSI) always hinders the practical implementation of interference alignment (IA) in current mobile communication systems, where channel estimation error, delay and frequency offset are major factors that cause the unmatched CSI with unignorable error.

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