Adaptive filter theory (3rd ed.)
Adaptive filter theory (3rd ed.)
Digital Communication: Third Edition
Digital Communication: Third Edition
Efficient computation of the delay-optimized finite length MMSE-DFE
IEEE Transactions on Signal Processing
Improvement of bit-error-rate in decision feedback equalizer bypreventing decision-error propagation
IEEE Transactions on Signal Processing
The effect of decision delay in finite-length decision feedback equalization
IEEE Transactions on Information Theory
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A joint optimization of the decision feedback equalizer (DFE) filter weights and an erasure slicer is proposed in this letter. The feedback weights of the DFE are constrained with an accurate mean square error (MSE) model as the criterion. An erasure slicer is adopted to further decrease error propagation. Two consecutive 1-D optimizations are shown as good as that of a single 2-D optimization. Simulation results verify the performance improvements of the proposed scheme.