| Paper: | SPCOM-P7.4 | ||
| Session: | UWB and Applications | ||
| Time: | Wednesday, May 17, 16:30 - 18:30 | ||
| Presentation: | Poster | ||
| Topic: | Signal Processing for Communication: Ultra wideband communication | ||
| Title: | Robust Multiuser Detection for Impulse Radio in Non-Gaussian UWB Channels | ||
| Authors: | Nazli Guney, Hakan Delic, Mutlu Koca, Bogazici University, Turkey | ||
| Abstract: | The frequency-selective ultra-wideband (UWB) channels are subject to various types of electromagnetic noise, which is non-Gaussian (impulsive). The conventional linear receivers based on the additive white Gaussian noise assumption exhibit performance degradation. In this paper, a robust receiver using the $M$-estimation technique is introduced for multiple access UWB channels with impulsive noise, eliminating multiuser interference and impulsive noise at the same time, provided that accurate channel information about the users is available. Both the robust receiver and its simplified version are shown to outperform the linear receiver based on the Gaussian noise assumption. | ||
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