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Table 1 Comparison of the computational complexity of cDF, aDF, and RAID

From: Reliability-aware iterative detection scheme (RAID) for distributed IDM space-time codes in relay systems

  Number of APP-Decodings Best case Worst case
  per frame   
cDF N it M N it M N it M
aDF N it M N it M N it M
RAID N it m = 1 M min 1 + R ̄ m , N N it M N it M N
  1. M number of users, N number of relays, R m ̄ number of erroneous relays w.r.t. S m and N it number of iterations per frame.