Dynamic OFDM Transmission for a Cognitive Radio Device Based on a Neural Network and Multiresolution Analysis

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/wcmc/volume-2018/4392710/figures/4392710.fig.008a.svgz" name="4392710.fig.008a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Block diagram of the proposed IDWT-OFDM transmitter</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/wcmc/volume-2018/4392710/figures/4392710.fig.008b.svgz" name="4392710.fig.008b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Block diagram of the proposed DWT-OFDM receiver</td></tr></table>

Wireless Communications and Mobile Computing

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Figure 8

Figure 8: Dynamic OFDM Transmission for a Cognitive Radio Device Based on a Neural Network and Multiresolution Analysis 