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Table 4 Accuracy of the AEGP, PGP and IC- κESM metric (SNR =10 dB, \({\mathcal {I}}_{q}/\sigma _{\mathrm {w}}^{2}=0\ \text {dB}\) and f d τ d=0.05)

From: Adaptive coding and modulation using imperfect CSI in cognitive BIC-OFDM systems

  AEGP PGP IC- κESM
E[ ε] 1.87×10−2 5.48×10−1 5.57×10−1
\(\sqrt {\text {Var}[\epsilon ]}\) 2.07×10−2 2.45×10−1 1.95×10−1
\(\sqrt {\mathrm {E}[\epsilon ^{2}]}\) 2.79×10−2 6.00×10−1 5.90×10−1