| Paper: | SPCOM-P12.1 | ||
| Session: | MIMO: Precoding / Beamforming | ||
| Time: | Friday, May 19, 14:00 - 16:00 | ||
| Presentation: | Poster | ||
| Topic: | Signal Processing for Communication: Capacity and performance analysis/optimization | ||
| Title: | Costa Precoding in One Dimension | ||
| Authors: | Jinfeng Du, Erik G. Larsson, Mikael Skoglund, Royal Institute of Technology (KTH), Sweden | ||
| Abstract: | We design an optimum modulator for the Costa (dirty-paper) precoding problem under the constraint of a binary signaling alphabet, and assuming the interference symbols belong to a binary constellation. We evaluate the performance of our technique in terms of the mutual information between the channel input and output, and compare it to that of Tomlinson-Harashima precoding (THP) with optimized parameters. We show that our optimal modulator is always better than THP. In many relevant scenarios, the performance difference is significant. | ||
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