Effect of Antenna Mutual Coupling on MIMO Channel Estimation and Capacity

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="306173.fig.003a" src="https://static.hindawi.com/articles/ijap/volume-2010/306173/figures/306173.fig.003a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Channel capacity with esitmation error</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="306173.fig.003b" src="https://static.hindawi.com/articles/ijap/volume-2010/306173/figures/306173.fig.003b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>MMSE channel estimation MSE versus SNR</td></tr></table></td></tr></table>

<table>(a) Channel capacity considering MMSE estimation error for a 4 <svg height="8.5" id="M186" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.1 8.5" width="10.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,8.438)"><path d="M528 54l-36 -38l-198 201l-198 -201l-36 38l197 200l-197 201l36 38l198 -202l198 202l36 -38l-197 -201z" id="xD7"></path></g>
</svg> 4 MIMO under mutual coupling effect versus SNR. (b) MMSE MSE performance for a 4 <svg height="8.5" id="M187" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.1 8.5" width="10.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> 4 MIMO under mutual coupling effect versus SNR; transmitter antenna spacing is set to 0. 1<svg height="12.4375" id="M188" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 9.5124998 12.4375" width="9.5124998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>, receiver antenna spacing is set to 1<svg height="12.4375" id="M189" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 9.5124998 12.4375" width="9.5124998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>.</table>

International Journal of Antennas and Propagation

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Figure 3

Figure 3: Effect of Antenna Mutual Coupling on MIMO Channel Estimation and Capacity 