| Paper: | SPCOM-P10.5 | ||
| Session: | Application-Specific Systems and Implementations | ||
| Time: | Thursday, May 20, 15:30 - 17:30 | ||
| Presentation: | Poster | ||
| Topic: | Signal Processing for Communications: Detection, Estimation, and Demodulation | ||
| Title: | MULTI-DIRECTIONAL DECISION FEEDBACK FOR 2D EQUALIZATION | ||
| Authors: | Jill Nelson; University of Illinois at Urbana-Champaign | ||
| Andrew C. Singer; University of Illinois at Urbana-Champaign | |||
| Upamanyu Madhow; University of California, Santa Barbara | |||
| Abstract: | We propose an equalization algorithm that employs multiple decision-feedback equalizers (DFE)s operating in different directions and arbitration among the outputs of these equalizers to mitigate the effects of two-dimensional intersymbol interference (ISI). The multi-directional arbitrated DFE (MAD) exploits directional diversity to reduce the effects of error-propagation while maintaining complexity on the same order as a DFE. Simulation results show that, when four DFEs are used, the MAD algorithm can achieve substantial gains over a single DFE, including gains of over 10 dB at $10^{-2}$ BER for simulations in this paper. | ||
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