Fig. 4From: Channel estimation via gradient pursuit for mmWave massive MIMO systems with one-bit ADCsMSEs of the BMS-based and BE-based GraSP algorithms for widely spread \(\theta _{\text {RX}, \ell }=\theta _{\text {TX}, \ell }=\frac {\pi }{18}(\ell -1)\) with M=N=64,T=80,L=8, and \(\alpha _{\ell }=(0.8+0.1(\ell -1))e^{j\frac {\pi }{4}(\ell -1)}\). The CRB is provided as a reference, which was derived in [36]Back to article page