]>Effect of Antenna Mutual Coupling on MIMO Channel Estimation and Capacity : Figure 2
306173.fig.002a
(a) MMSE MSE versus transmitter antenna spacing
306173.fig.002b
(b) SLS MSE versus receiver antenna spacing
Figure 2: MSE of training-based channel estimation for a 4 × 4 MIMO considering mutual coupling effect versus transmitter or receiver antenna spacing at SNR equal to 25 dB. (a) MMSE MSE versus transmitter antenna spacing, receiver antenna spacing is set to 1 𝜆 . (b) SLS MSE versus transmitter antenna spacing, receiver antenna spacing is set to 1 𝜆 .