A simplified convolutional neural network is inserted as a function node in the sum-product algorithm factor graph for FTN signaling to model residual ISI, with modified message updates enabling turbo equalization and up to 2.5 dB BER gain.
Backpropagation applied to ha ndwritten zip code recognition,
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Deep Learning Assisted Sum-Product Detection Algorithm for Faster-than-Nyquist Signaling
A simplified convolutional neural network is inserted as a function node in the sum-product algorithm factor graph for FTN signaling to model residual ISI, with modified message updates enabling turbo equalization and up to 2.5 dB BER gain.