Energy-Efficient Dual-Iteration Power Allocation for  Two-Phase Relay System with Massive Antennas

<table>EE versus the number of antennas <svg height="12.425" id="M261" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 16.1 12.425" width="16.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.625,11.675)"><path d="M857 650l-6 -28q-44 -4 -61.5 -16.5t-29.5 -48.5q-11 -32 -37 -166l-78 -399h-29l-351 537h-4l-56 -276q-24 -120 -24 -164q0 -35 17.5 -46t75.5 -15l-6 -28h-245l7 28q41 2 62 14t31 44q10 30 41 171l53 245q8 44 6.5 60.5t-14.5 33.5q-10 15 -27 19.5t-64 6.5l6 28h153
l350 -516h5l48 257q25 131 25 171q0 34 -17.5 45t-77.5 15l7 28h240z" id="x1D441"></path></g>
</svg> at the relay.</table>

International Journal of Antennas and Propagation

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Figure 3

Figure 3: Energy-Efficient Dual-Iteration Power Allocation for  Two-Phase Relay System with Massive Antennas 