% QAM scaling % 4-QAM x = 0.5; X = [x'] + sqrt(-1)*[x]; N1 = sqrt(norm(X,'fro')^2/1) x = [0.5 1.5]; X = [x' x'] + sqrt(-1)*[x; x]; N2 = sqrt(norm(X,'fro')^2/4) x = [0.5 1.5 2.5 3.5]; X = [x' x' x' x'] + sqrt(-1)*[x; x; x; x]; N3 = sqrt(norm(X,'fro')^2/16) x = [0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5]; X = [x' x' x' x' x' x' x' x'] + sqrt(-1)*[x; x; x; x; x; x; x; x]; N4 = sqrt(norm(X,'fro')^2/64)