Sparse Channel Estimation for MIMO-OFDM Two-Way Relay Network with Compressed Sensing

<table>MSE performance of channel estimation at <svg height="15.675" id="M174" style="vertical-align:-3.276pt" version="1.1" viewbox="0 0 18.987499 15.675" width="18.987499" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,12.588,15.613)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g>
</svg> for the case when <svg height="12.4375" id="M175" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 37.137501 12.4375" width="37.137501" 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

fig2

Figure 2

Figure 2: Sparse Channel Estimation for MIMO-OFDM Two-Way Relay Network with Compressed Sensing 