An Analytical Multimodulus Algorithm for Blind Demodulation in a Time-Varying MIMO Channel Context

Figure 1

Constellations with a carrier frequency offset. SNR=30 dB, 𝑁_𝑡=2, 𝑁_𝑟=4, 𝛿_𝑓𝑇_𝑠=10⁻³,𝑓_𝑑𝑇_𝑠=0.001.

(a) Received signals

(b) Transmitted signals

(c) Adaptive-AMMA

(d) Adaptive-ASCMA

(e) Adaptive-ACMA

(f) MMA